diff options
Diffstat (limited to 'arch')
228 files changed, 2721 insertions, 2274 deletions
diff --git a/arch/arc/boot/dts/abilis_tb100_dvk.dts b/arch/arc/boot/dts/abilis_tb100_dvk.dts index c0fd3623c393..0fa0d4abe795 100644 --- a/arch/arc/boot/dts/abilis_tb100_dvk.dts +++ b/arch/arc/boot/dts/abilis_tb100_dvk.dts @@ -37,7 +37,7 @@ soc100 { uart@FF100000 { - pinctrl-names = "abilis,simple-default"; + pinctrl-names = "default"; pinctrl-0 = <&pctl_uart0>; }; ethernet@FE100000 { diff --git a/arch/arc/boot/dts/abilis_tb101_dvk.dts b/arch/arc/boot/dts/abilis_tb101_dvk.dts index 6f8c381f6268..a4d80ce283ae 100644 --- a/arch/arc/boot/dts/abilis_tb101_dvk.dts +++ b/arch/arc/boot/dts/abilis_tb101_dvk.dts @@ -37,7 +37,7 @@ soc100 { uart@FF100000 { - pinctrl-names = "abilis,simple-default"; + pinctrl-names = "default"; pinctrl-0 = <&pctl_uart0>; }; ethernet@FE100000 { diff --git a/arch/arc/boot/dts/abilis_tb10x.dtsi b/arch/arc/boot/dts/abilis_tb10x.dtsi index a6139fc5aaa3..b97e3051ba4b 100644 --- a/arch/arc/boot/dts/abilis_tb10x.dtsi +++ b/arch/arc/boot/dts/abilis_tb10x.dtsi @@ -88,8 +88,7 @@ }; uart@FF100000 { - compatible = "snps,dw-apb-uart", - "abilis,simple-pinctrl"; + compatible = "snps,dw-apb-uart"; reg = <0xFF100000 0x100>; clock-frequency = <166666666>; interrupts = <25 1>; @@ -184,8 +183,7 @@ #address-cells = <1>; #size-cells = <0>; cell-index = <1>; - compatible = "abilis,tb100-spi", - "abilis,simple-pinctrl"; + compatible = "abilis,tb100-spi"; num-cs = <2>; reg = <0xFE011000 0x20>; interrupt-parent = <&tb10x_ictl>; diff --git a/arch/arc/include/asm/cacheflush.h b/arch/arc/include/asm/cacheflush.h index 9f841af41092..ef62682e8d95 100644 --- a/arch/arc/include/asm/cacheflush.h +++ b/arch/arc/include/asm/cacheflush.h @@ -93,14 +93,16 @@ static inline int cache_is_vipt_aliasing(void) #endif } -#define CACHE_COLOR(addr) (((unsigned long)(addr) >> (PAGE_SHIFT)) & 3) +#define CACHE_COLOR(addr) (((unsigned long)(addr) >> (PAGE_SHIFT)) & 1) /* * checks if two addresses (after page aligning) index into same cache set */ #define addr_not_cache_congruent(addr1, addr2) \ +({ \ cache_is_vipt_aliasing() ? \ - (CACHE_COLOR(addr1) != CACHE_COLOR(addr2)) : 0 \ + (CACHE_COLOR(addr1) != CACHE_COLOR(addr2)) : 0; \ +}) #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ diff --git a/arch/arc/include/asm/page.h b/arch/arc/include/asm/page.h index 374a35514116..ab84bf131fe1 100644 --- a/arch/arc/include/asm/page.h +++ b/arch/arc/include/asm/page.h @@ -19,13 +19,6 @@ #define clear_page(paddr) memset((paddr), 0, PAGE_SIZE) #define copy_page(to, from) memcpy((to), (from), PAGE_SIZE) -#ifndef CONFIG_ARC_CACHE_VIPT_ALIASING - -#define clear_user_page(addr, vaddr, pg) clear_page(addr) -#define copy_user_page(vto, vfrom, vaddr, pg) copy_page(vto, vfrom) - -#else /* VIPT aliasing dcache */ - struct vm_area_struct; struct page; @@ -35,8 +28,6 @@ void copy_user_highpage(struct page *to, struct page *from, unsigned long u_vaddr, struct vm_area_struct *vma); void clear_user_page(void *to, unsigned long u_vaddr, struct page *page); -#endif /* CONFIG_ARC_CACHE_VIPT_ALIASING */ - #undef STRICT_MM_TYPECHECKS #ifdef STRICT_MM_TYPECHECKS diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h index 1cc4720faccb..95b1522212a7 100644 --- a/arch/arc/include/asm/pgtable.h +++ b/arch/arc/include/asm/pgtable.h @@ -57,9 +57,9 @@ #define _PAGE_ACCESSED (1<<1) /* Page is accessed (S) */ #define _PAGE_CACHEABLE (1<<2) /* Page is cached (H) */ -#define _PAGE_EXECUTE (1<<3) /* Page has user execute perm (H) */ -#define _PAGE_WRITE (1<<4) /* Page has user write perm (H) */ -#define _PAGE_READ (1<<5) /* Page has user read perm (H) */ +#define _PAGE_U_EXECUTE (1<<3) /* Page has user execute perm (H) */ +#define _PAGE_U_WRITE (1<<4) /* Page has user write perm (H) */ +#define _PAGE_U_READ (1<<5) /* Page has user read perm (H) */ #define _PAGE_K_EXECUTE (1<<6) /* Page has kernel execute perm (H) */ #define _PAGE_K_WRITE (1<<7) /* Page has kernel write perm (H) */ #define _PAGE_K_READ (1<<8) /* Page has kernel perm (H) */ @@ -72,9 +72,9 @@ /* PD1 */ #define _PAGE_CACHEABLE (1<<0) /* Page is cached (H) */ -#define _PAGE_EXECUTE (1<<1) /* Page has user execute perm (H) */ -#define _PAGE_WRITE (1<<2) /* Page has user write perm (H) */ -#define _PAGE_READ (1<<3) /* Page has user read perm (H) */ +#define _PAGE_U_EXECUTE (1<<1) /* Page has user execute perm (H) */ +#define _PAGE_U_WRITE (1<<2) /* Page has user write perm (H) */ +#define _PAGE_U_READ (1<<3) /* Page has user read perm (H) */ #define _PAGE_K_EXECUTE (1<<4) /* Page has kernel execute perm (H) */ #define _PAGE_K_WRITE (1<<5) /* Page has kernel write perm (H) */ #define _PAGE_K_READ (1<<6) /* Page has kernel perm (H) */ @@ -93,7 +93,8 @@ #endif /* Kernel allowed all permissions for all pages */ -#define _K_PAGE_PERMS (_PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ) +#define _K_PAGE_PERMS (_PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ | \ + _PAGE_GLOBAL | _PAGE_PRESENT) #ifdef CONFIG_ARC_CACHE_PAGES #define _PAGE_DEF_CACHEABLE _PAGE_CACHEABLE @@ -106,7 +107,11 @@ * -by default cached, unless config otherwise * -present in memory */ -#define ___DEF (_PAGE_PRESENT | _K_PAGE_PERMS | _PAGE_DEF_CACHEABLE) +#define ___DEF (_PAGE_PRESENT | _PAGE_DEF_CACHEABLE) + +#define _PAGE_READ (_PAGE_U_READ | _PAGE_K_READ) +#define _PAGE_WRITE (_PAGE_U_WRITE | _PAGE_K_WRITE) +#define _PAGE_EXECUTE (_PAGE_U_EXECUTE | _PAGE_K_EXECUTE) /* Set of bits not changed in pte_modify */ #define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED) @@ -125,11 +130,10 @@ * kernel vaddr space - visible in all addr spaces, but kernel mode only * Thus Global, all-kernel-access, no-user-access, cached */ -#define PAGE_KERNEL __pgprot(___DEF | _PAGE_GLOBAL) +#define PAGE_KERNEL __pgprot(_K_PAGE_PERMS | _PAGE_DEF_CACHEABLE) /* ioremap */ -#define PAGE_KERNEL_NO_CACHE __pgprot(_PAGE_PRESENT | _K_PAGE_PERMS | \ - _PAGE_GLOBAL) +#define PAGE_KERNEL_NO_CACHE __pgprot(_K_PAGE_PERMS) /************************************************************************** * Mapping of vm_flags (Generic VM) to PTE flags (arch specific) diff --git a/arch/arc/include/asm/tlb.h b/arch/arc/include/asm/tlb.h index 85b6df839bd7..cb0c708ca665 100644 --- a/arch/arc/include/asm/tlb.h +++ b/arch/arc/include/asm/tlb.h @@ -16,7 +16,7 @@ /* Masks for actual TLB "PD"s */ #define PTE_BITS_IN_PD0 (_PAGE_GLOBAL | _PAGE_PRESENT) #define PTE_BITS_IN_PD1 (PAGE_MASK | _PAGE_CACHEABLE | \ - _PAGE_EXECUTE | _PAGE_WRITE | _PAGE_READ | \ + _PAGE_U_EXECUTE | _PAGE_U_WRITE | _PAGE_U_READ | \ _PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ) #ifndef __ASSEMBLY__ diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c index 2f12bca8aef3..aedce1905441 100644 --- a/arch/arc/mm/cache_arc700.c +++ b/arch/arc/mm/cache_arc700.c @@ -610,7 +610,7 @@ void __sync_icache_dcache(unsigned long paddr, unsigned long vaddr, int len) local_irq_save(flags); __ic_line_inv_vaddr(paddr, vaddr, len); - __dc_line_op(paddr, vaddr, len, OP_FLUSH); + __dc_line_op(paddr, vaddr, len, OP_FLUSH_N_INV); local_irq_restore(flags); } @@ -676,6 +676,17 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start, flush_cache_all(); } +void flush_anon_page(struct vm_area_struct *vma, struct page *page, + unsigned long u_vaddr) +{ + /* TBD: do we really need to clear the kernel mapping */ + __flush_dcache_page(page_address(page), u_vaddr); + __flush_dcache_page(page_address(page), page_address(page)); + +} + +#endif + void copy_user_highpage(struct page *to, struct page *from, unsigned long u_vaddr, struct vm_area_struct *vma) { @@ -725,16 +736,6 @@ void clear_user_page(void *to, unsigned long u_vaddr, struct page *page) set_bit(PG_arch_1, &page->flags); } -void flush_anon_page(struct vm_area_struct *vma, struct page *page, - unsigned long u_vaddr) -{ - /* TBD: do we really need to clear the kernel mapping */ - __flush_dcache_page(page_address(page), u_vaddr); - __flush_dcache_page(page_address(page), page_address(page)); - -} - -#endif /********************************************************************** * Explicit Cache flush request from user space via syscall diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c index 066145b5f348..fe1c5a073afe 100644 --- a/arch/arc/mm/tlb.c +++ b/arch/arc/mm/tlb.c @@ -444,7 +444,8 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr_unaligned, * so userspace sees the right data. * (Avoids the flush for Non-exec + congruent mapping case) */ - if (vma->vm_flags & VM_EXEC || addr_not_cache_congruent(paddr, vaddr)) { + if ((vma->vm_flags & VM_EXEC) || + addr_not_cache_congruent(paddr, vaddr)) { struct page *page = pfn_to_page(pte_pfn(*ptep)); int dirty = test_and_clear_bit(PG_arch_1, &page->flags); diff --git a/arch/arc/mm/tlbex.S b/arch/arc/mm/tlbex.S index 9df765dc7c3a..3357d26ffe54 100644 --- a/arch/arc/mm/tlbex.S +++ b/arch/arc/mm/tlbex.S @@ -277,7 +277,7 @@ ARC_ENTRY EV_TLBMissI ;---------------------------------------------------------------- ; VERIFY_PTE: Check if PTE permissions approp for executing code cmp_s r2, VMALLOC_START - mov.lo r2, (_PAGE_PRESENT | _PAGE_READ | _PAGE_EXECUTE) + mov.lo r2, (_PAGE_PRESENT | _PAGE_U_READ | _PAGE_U_EXECUTE) mov.hs r2, (_PAGE_PRESENT | _PAGE_K_READ | _PAGE_K_EXECUTE) and r3, r0, r2 ; Mask out NON Flag bits from PTE @@ -320,9 +320,9 @@ ARC_ENTRY EV_TLBMissD mov_s r2, 0 lr r3, [ecr] btst_s r3, ECR_C_BIT_DTLB_LD_MISS ; Read Access - or.nz r2, r2, _PAGE_READ ; chk for Read flag in PTE + or.nz r2, r2, _PAGE_U_READ ; chk for Read flag in PTE btst_s r3, ECR_C_BIT_DTLB_ST_MISS ; Write Access - or.nz r2, r2, _PAGE_WRITE ; chk for Write flag in PTE + or.nz r2, r2, _PAGE_U_WRITE ; chk for Write flag in PTE ; Above laddering takes care of XCHG access ; which is both Read and Write diff --git a/arch/arc/plat-tb10x/tb10x.c b/arch/arc/plat-tb10x/tb10x.c index d3567691c7e1..06cb30929460 100644 --- a/arch/arc/plat-tb10x/tb10x.c +++ b/arch/arc/plat-tb10x/tb10x.c @@ -34,31 +34,6 @@ static void __init tb10x_platform_init(void) of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } -static void __init tb10x_platform_late_init(void) -{ - struct device_node *dn; - - /* - * Pinctrl documentation recommends setting up the iomux here for - * all modules which don't require control over the pins themselves. - * Modules which need this kind of assistance are compatible with - * "abilis,simple-pinctrl", i.e. we can easily iterate over them. - * TODO: Does this recommended method work cleanly with pins required - * by modules? - */ - for_each_compatible_node(dn, NULL, "abilis,simple-pinctrl") { - struct platform_device *pd = of_find_device_by_node(dn); - struct pinctrl *pctl; - - pctl = pinctrl_get_select(&pd->dev, "abilis,simple-default"); - if (IS_ERR(pctl)) { - int ret = PTR_ERR(pctl); - dev_err(&pd->dev, "Could not set up pinctrl: %d\n", - ret); - } - } -} - static const char *tb10x_compat[] __initdata = { "abilis,arc-tb10x", NULL, @@ -67,5 +42,4 @@ static const char *tb10x_compat[] __initdata = { MACHINE_START(TB10x, "tb10x") .dt_compat = tb10x_compat, .init_machine = tb10x_platform_init, - .init_late = tb10x_platform_late_init, MACHINE_END diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 49d993cee512..0435a6aaad1c 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -9,7 +9,7 @@ config ARM select BUILDTIME_EXTABLE_SORT if MMU select CPU_PM if (SUSPEND || CPU_IDLE) select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN && MMU - select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI) + select GENERIC_ATOMIC64 if (CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI) select GENERIC_CLOCKEVENTS_BROADCAST if SMP select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW @@ -502,6 +502,7 @@ config ARCH_DOVE config ARCH_KIRKWOOD bool "Marvell Kirkwood" + select ARCH_HAS_CPUFREQ select ARCH_REQUIRE_GPIOLIB select CPU_FEROCEON select GENERIC_CLOCKEVENTS @@ -645,7 +646,7 @@ config ARCH_SHMOBILE select MULTI_IRQ_HANDLER select NEED_MACH_MEMORY_H select NO_IOPORT - select PINCTRL if ARCH_WANT_OPTIONAL_GPIOLIB + select PINCTRL select PM_GENERIC_DOMAINS if PM select SPARSE_IRQ help @@ -1585,7 +1586,7 @@ config SCHED_HRTICK config THUMB2_KERNEL bool "Compile the kernel in Thumb-2 mode" if !CPU_THUMBONLY - depends on CPU_V7 && !CPU_V6 && !CPU_V6K + depends on (CPU_V7 || CPU_V7M) && !CPU_V6 && !CPU_V6K default y if CPU_THUMBONLY select AEABI select ARM_ASM_UNIFIED diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu index 2cef8e13f9f8..c859495da480 100644 --- a/arch/arm/Kconfig-nommu +++ b/arch/arm/Kconfig-nommu @@ -28,7 +28,7 @@ config FLASH_SIZE config PROCESSOR_ID hex 'Hard wire the processor ID' default 0x00007700 - depends on !CPU_CP15 + depends on !(CPU_CP15 || CPU_V7M) help If processor has no CP15 register, this processor ID is used instead of the auto-probing which utilizes the register. diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 1ba358ba16b8..3380c4f51757 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -59,6 +59,7 @@ comma = , # Note that GCC does not numerically define an architecture version # macro, but instead defines a whole series of macros which makes # testing for a specific architecture or later rather impossible. +arch-$(CONFIG_CPU_32v7M) :=-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) # Only override the compiler option if ARMv6. The ARMv6K extensions are diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index b9f7121e6ecf..3844ef27d7ba 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -64,6 +64,8 @@ dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \ integratorcp.dtb dtb-$(CONFIG_ARCH_LPC32XX) += ea3250.dtb phy3250.dtb dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-cloudbox.dtb \ + kirkwood-db-88f6281.dtb \ + kirkwood-db-88f6282.dtb \ kirkwood-dns320.dtb \ kirkwood-dns325.dtb \ kirkwood-dockstar.dtb \ @@ -177,7 +179,9 @@ dtb-$(CONFIG_ARCH_SPEAR3XX)+= spear300-evb.dtb \ spear320-evb.dtb \ spear320-hmi.dtb dtb-$(CONFIG_ARCH_SPEAR6XX)+= spear600-evb.dtb -dtb-$(CONFIG_ARCH_SUNXI) += sun4i-a10-cubieboard.dtb \ +dtb-$(CONFIG_ARCH_SUNXI) += \ + sun4i-a10-cubieboard.dtb \ + sun4i-a10-mini-xplus.dtb \ sun4i-a10-hackberry.dtb \ sun5i-a13-olinuxino.dtb dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \ diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi index 272bbc65fab0..550eb772c30e 100644 --- a/arch/arm/boot/dts/armada-370-xp.dtsi +++ b/arch/arm/boot/dts/armada-370-xp.dtsi @@ -33,7 +33,8 @@ #size-cells = <1>; compatible = "simple-bus"; interrupt-parent = <&mpic>; - ranges = <0 0 0xd0000000 0x100000>; + ranges = <0 0 0xd0000000 0x0100000 /* internal registers */ + 0xe0000000 0 0xe0000000 0x8100000 /* PCIe */>; internal-regs { compatible = "simple-bus"; diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi index b2c1b5af9749..aee2b1866ce2 100644 --- a/arch/arm/boot/dts/armada-370.dtsi +++ b/arch/arm/boot/dts/armada-370.dtsi @@ -29,7 +29,8 @@ }; soc { - ranges = <0 0xd0000000 0x100000>; + ranges = <0 0xd0000000 0x0100000 /* internal registers */ + 0xe0000000 0xe0000000 0x8100000 /* PCIe */>; internal-regs { system-controller@18200 { compatible = "marvell,armada-370-xp-system-controller"; @@ -38,12 +39,12 @@ L2: l2-cache { compatible = "marvell,aurora-outer-cache"; - reg = <0xd0008000 0x1000>; + reg = <0x08000 0x1000>; cache-id-part = <0x100>; wt-override; }; - mpic: interrupt-controller@20000 { + interrupt-controller@20000 { reg = <0x20a00 0x1d0>, <0x21870 0x58>; }; diff --git a/arch/arm/boot/dts/armada-xp-gp.dts b/arch/arm/boot/dts/armada-xp-gp.dts index 26ad06fc147e..3ee63d128e27 100644 --- a/arch/arm/boot/dts/armada-xp-gp.dts +++ b/arch/arm/boot/dts/armada-xp-gp.dts @@ -39,6 +39,9 @@ }; soc { + ranges = <0 0 0xd0000000 0x100000 + 0xf0000000 0 0xf0000000 0x1000000>; + internal-regs { serial@12000 { clock-frequency = <250000000>; diff --git a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts index f14d36c46159..46b785064dd8 100644 --- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts +++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts @@ -27,6 +27,9 @@ }; soc { + ranges = <0 0 0xd0000000 0x100000 + 0xf0000000 0 0xf0000000 0x8000000>; + internal-regs { serial@12000 { clock-frequency = <250000000>; diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index bacab11c10dc..5b902f9a3af2 100644 --- a/arch/arm/boot/dts/armada-xp.dtsi +++ b/arch/arm/boot/dts/armada-xp.dtsi @@ -31,7 +31,7 @@ wt-override; }; - mpic: interrupt-controller@20000 { + interrupt-controller@20000 { reg = <0x20a00 0x2d0>, <0x21070 0x58>; }; diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 70b5ccbac234..84c4bef2d726 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -264,7 +264,7 @@ atmel,pins = <0 10 0x2 0x0 /* PA10 periph B */ 0 11 0x2 0x0 /* PA11 periph B */ - 0 24 0x2 0x0 /* PA24 periph B */ + 0 22 0x2 0x0 /* PA22 periph B */ 0 25 0x2 0x0 /* PA25 periph B */ 0 26 0x2 0x0 /* PA26 periph B */ 0 27 0x2 0x0 /* PA27 periph B */ diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index 3de8e6dfbcb1..8d25f889928e 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -57,6 +57,7 @@ compatible = "atmel,at91rm9200-aic"; interrupt-controller; reg = <0xfffff000 0x200>; + atmel,external-irqs = <31>; }; ramc0: ramc@ffffe800 { diff --git a/arch/arm/boot/dts/at91sam9x25ek.dts b/arch/arm/boot/dts/at91sam9x25ek.dts index 3b40d11d65e7..315250b4995e 100644 --- a/arch/arm/boot/dts/at91sam9x25ek.dts +++ b/arch/arm/boot/dts/at91sam9x25ek.dts @@ -11,7 +11,7 @@ /include/ "at91sam9x5ek.dtsi" / { - model = "Atmel AT91SAM9G25-EK"; + model = "Atmel AT91SAM9X25-EK"; compatible = "atmel,at91sam9x25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9"; ahb { diff --git a/arch/arm/boot/dts/kirkwood-6281.dtsi b/arch/arm/boot/dts/kirkwood-6281.dtsi index d6c9d65cbaeb..51376683dbcd 100644 --- a/arch/arm/boot/dts/kirkwood-6281.dtsi +++ b/arch/arm/boot/dts/kirkwood-6281.dtsi @@ -40,5 +40,36 @@ marvell,function = "sdio"; }; }; + + pcie-controller { + compatible = "marvell,kirkwood-pcie"; + status = "disabled"; + device_type = "pci"; + + #address-cells = <3>; + #size-cells = <2>; + + bus-range = <0x00 0xff>; + + ranges = <0x82000000 0 0x00040000 0x00040000 0 0x00002000 /* Port 0.0 registers */ + 0x82000000 0 0xe0000000 0xe0000000 0 0x08000000 /* non-prefetchable memory */ + 0x81000000 0 0 0xe8000000 0 0x00100000>; /* downstream I/O */ + + pcie@1,0 { + device_type = "pci"; + assigned-addresses = <0x82000800 0 0x00040000 0 0x2000>; + reg = <0x0800 0 0 0 0>; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + ranges; + interrupt-map-mask = <0 0 0 0>; + interrupt-map = <0 0 0 0 &intc 9>; + marvell,pcie-port = <0>; + marvell,pcie-lane = <0>; + clocks = <&gate_clk 2>; + status = "disabled"; + }; + }; }; }; diff --git a/arch/arm/boot/dts/kirkwood-6282.dtsi b/arch/arm/boot/dts/kirkwood-6282.dtsi index 23991e45bc55..66a751ab5516 100644 --- a/arch/arm/boot/dts/kirkwood-6282.dtsi +++ b/arch/arm/boot/dts/kirkwood-6282.dtsi @@ -65,5 +65,53 @@ clocks = <&gate_clk 7>; status = "disabled"; }; + + pcie-controller { + compatible = "marvell,kirkwood-pcie"; + status = "disabled"; + device_type = "pci"; + + #address-cells = <3>; + #size-cells = <2>; + + bus-range = <0x00 0xff>; + + ranges = <0x82000000 0 0x00040000 0x00040000 0 0x00002000 /* Port 0.0 registers */ + 0x82000000 0 0x00044000 0x00044000 0 0x00002000 /* Port 1.0 registers */ + 0x82000000 0 0xe0000000 0xe0000000 0 0x08000000 /* non-prefetchable memory */ + 0x81000000 0 0 0xe8000000 0 0x00100000>; /* downstream I/O */ + + pcie@1,0 { + device_type = "pci"; + assigned-addresses = <0x82000800 0 0x00040000 0 0x2000>; + reg = <0x0800 0 0 0 0>; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + ranges; + interrupt-map-mask = <0 0 0 0>; + interrupt-map = <0 0 0 0 &intc 9>; + marvell,pcie-port = <0>; + marvell,pcie-lane = <0>; + clocks = <&gate_clk 2>; + status = "disabled"; + }; + + pcie@2,0 { + device_type = "pci"; + assigned-addresses = <0x82001000 0 0x00044000 0 0x2000>; + reg = <0x1000 0 0 0 0>; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + ranges; + interrupt-map-mask = <0 0 0 0>; + interrupt-map = <0 0 0 0 &intc 10>; + marvell,pcie-port = <1>; + marvell,pcie-lane = <0>; + clocks = <&gate_clk 18>; + status = "disabled"; + }; + }; }; }; diff --git a/arch/arm/boot/dts/kirkwood-db-88f6281.dts b/arch/arm/boot/dts/kirkwood-db-88f6281.dts new file mode 100644 index 000000000000..9d777edd1f36 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-db-88f6281.dts @@ -0,0 +1,30 @@ +/* + * Marvell DB-88F6281-BP Development Board Setup + * + * Saeed Bishara <saeed@marvell.com> + * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +/dts-v1/; + +/include/ "kirkwood-db.dtsi" +/include/ "kirkwood-6281.dtsi" + +/ { + model = "Marvell DB-88F6281-BP Development Board"; + compatible = "marvell,db-88f6281-bp", "marvell,kirkwood-88f6281", "marvell,kirkwood"; + + ocp@f1000000 { + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-db-88f6282.dts b/arch/arm/boot/dts/kirkwood-db-88f6282.dts new file mode 100644 index 000000000000..f4c852886d23 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-db-88f6282.dts @@ -0,0 +1,34 @@ +/* + * Marvell DB-88F6282-BP Development Board Setup + * + * Saeed Bishara <saeed@marvell.com> + * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +/dts-v1/; + +/include/ "kirkwood-db.dtsi" +/include/ "kirkwood-6282.dtsi" + +/ { + model = "Marvell DB-88F6282-BP Development Board"; + compatible = "marvell,db-88f6282-bp", "marvell,kirkwood-88f6282", "marvell,kirkwood"; + + ocp@f1000000 { + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + + pcie@2,0 { + status = "okay"; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-db.dtsi b/arch/arm/boot/dts/kirkwood-db.dtsi new file mode 100644 index 000000000000..c87cfb816120 --- /dev/null +++ b/arch/arm/boot/dts/kirkwood-db.dtsi @@ -0,0 +1,89 @@ +/* + * Marvell DB-{88F6281,88F6282}-BP Development Board Setup + * + * Saeed Bishara <saeed@marvell.com> + * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + * This file contains the definitions that are common between the 6281 + * and 6282 variants of the Marvell Kirkwood Development Board. + */ + +/include/ "kirkwood.dtsi" + +/ { + memory { + device_type = "memory"; + reg = <0x00000000 0x20000000>; /* 512 MB */ + }; + + chosen { + bootargs = "console=ttyS0,115200n8 earlyprintk"; + }; + + ocp@f1000000 { + pinctrl@10000 { + pmx_sdio_gpios: pmx-sdio-gpios { + marvell,pins = "mpp37", "mpp38"; + marvell,function = "gpio"; + }; + }; + + serial@12000 { + pinctrl-0 = <&pmx_uart0>; + pinctrl-names = "default"; + clock-frequency = <200000000>; + status = "ok"; + }; + + nand@3000000 { + pinctrl-0 = <&pmx_nand>; + pinctrl-names = "default"; + chip-delay = <25>; + status = "okay"; + + partition@0 { + label = "uboot"; + reg = <0x0 0x100000>; + }; + + partition@100000 { + label = "uImage"; + reg = <0x100000 0x400000>; + }; + + partition@500000 { + label = "root"; + reg = <0x500000 0x1fb00000>; + }; + }; + + sata@80000 { + nr-ports = <2>; + status = "okay"; + }; + + ehci@50000 { + status = "okay"; + }; + + mvsdio@90000 { + pinctrl-0 = <&pmx_sdio_gpios>; + pinctrl-names = "default"; + wp-gpios = <&gpio1 5 0>; + cd-gpios = <&gpio1 6 0>; + status = "okay"; + }; + + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/kirkwood-iconnect.dts b/arch/arm/boot/dts/kirkwood-iconnect.dts index 12ccf74ac3c4..e591d5df769f 100644 --- a/arch/arm/boot/dts/kirkwood-iconnect.dts +++ b/arch/arm/boot/dts/kirkwood-iconnect.dts @@ -109,6 +109,14 @@ reg = <0x980000 0x1f400000>; }; }; + + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + }; }; gpio-leds { diff --git a/arch/arm/boot/dts/kirkwood-mplcec4.dts b/arch/arm/boot/dts/kirkwood-mplcec4.dts index 758824118a9a..90501cf129bb 100644 --- a/arch/arm/boot/dts/kirkwood-mplcec4.dts +++ b/arch/arm/boot/dts/kirkwood-mplcec4.dts @@ -139,6 +139,14 @@ cd-gpios = <&gpio1 15 0>; /* No WP GPIO */ }; + + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + }; }; gpio-leds { diff --git a/arch/arm/boot/dts/kirkwood-netgear_readynas_duo_v2.dts b/arch/arm/boot/dts/kirkwood-netgear_readynas_duo_v2.dts index 1ca66ab83ad6..0f852b40f5c1 100644 --- a/arch/arm/boot/dts/kirkwood-netgear_readynas_duo_v2.dts +++ b/arch/arm/boot/dts/kirkwood-netgear_readynas_duo_v2.dts @@ -111,6 +111,14 @@ status = "okay"; nr-ports = <2>; }; + + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + }; }; gpio-leds { diff --git a/arch/arm/boot/dts/kirkwood-nsa310.dts b/arch/arm/boot/dts/kirkwood-nsa310.dts index a7412b937a8a..9ddf218f2cbd 100644 --- a/arch/arm/boot/dts/kirkwood-nsa310.dts +++ b/arch/arm/boot/dts/kirkwood-nsa310.dts @@ -176,6 +176,14 @@ reg = <0x5040000 0x2fc0000>; }; }; + + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + }; }; gpio_keys { diff --git a/arch/arm/boot/dts/kirkwood-ts219-6281.dts b/arch/arm/boot/dts/kirkwood-ts219-6281.dts index 8295c833887f..42648ab77c61 100644 --- a/arch/arm/boot/dts/kirkwood-ts219-6281.dts +++ b/arch/arm/boot/dts/kirkwood-ts219-6281.dts @@ -1,7 +1,8 @@ /dts-v1/; -/include/ "kirkwood-ts219.dtsi" +/include/ "kirkwood.dtsi" /include/ "kirkwood-6281.dtsi" +/include/ "kirkwood-ts219.dtsi" / { ocp@f1000000 { diff --git a/arch/arm/boot/dts/kirkwood-ts219-6282.dts b/arch/arm/boot/dts/kirkwood-ts219-6282.dts index df3f95dfba33..95ceeb93ba5a 100644 --- a/arch/arm/boot/dts/kirkwood-ts219-6282.dts +++ b/arch/arm/boot/dts/kirkwood-ts219-6282.dts @@ -1,7 +1,8 @@ /dts-v1/; -/include/ "kirkwood-ts219.dtsi" +/include/ "kirkwood.dtsi" /include/ "kirkwood-6282.dtsi" +/include/ "kirkwood-ts219.dtsi" / { ocp@f1000000 { diff --git a/arch/arm/boot/dts/kirkwood-ts219.dtsi b/arch/arm/boot/dts/kirkwood-ts219.dtsi index 64ea27cb3298..7c022fd4aef7 100644 --- a/arch/arm/boot/dts/kirkwood-ts219.dtsi +++ b/arch/arm/boot/dts/kirkwood-ts219.dtsi @@ -1,5 +1,3 @@ -/include/ "kirkwood.dtsi" - / { model = "QNAP TS219 family"; compatible = "qnap,ts219", "marvell,kirkwood"; @@ -74,5 +72,12 @@ status = "okay"; nr-ports = <2>; }; + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + }; }; }; diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi index fada7e6d24d8..7eef88f00fea 100644 --- a/arch/arm/boot/dts/kirkwood.dtsi +++ b/arch/arm/boot/dts/kirkwood.dtsi @@ -19,6 +19,7 @@ ocp@f1000000 { compatible = "simple-bus"; ranges = <0x00000000 0xf1000000 0x4000000 + 0xe0000000 0xe0000000 0x8100000 /* PCIE */ 0xf5000000 0xf5000000 0x0000400>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi index 82a404da1c0d..99ba6e14ebf3 100644 --- a/arch/arm/boot/dts/omap3.dtsi +++ b/arch/arm/boot/dts/omap3.dtsi @@ -516,7 +516,7 @@ usb_otg_hs: usb_otg_hs@480ab000 { compatible = "ti,omap3-musb"; reg = <0x480ab000 0x1000>; - interrupts = <0 92 0x4>, <0 93 0x4>; + interrupts = <92>, <93>; interrupt-names = "mc", "dma"; ti,hwmods = "usb_otg_hs"; multipoint = <1>; diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index 2e643ea51cce..5000e0d42849 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -75,11 +75,6 @@ compatible = "atmel,at91sam9x5-spi"; reg = <0xf0004000 0x100>; interrupts = <24 4 3>; - cs-gpios = <&pioD 13 0 - &pioD 14 0 /* conflicts with SCK0 and CANRX0 */ - &pioD 15 0 /* conflicts with CTS0 and CANTX0 */ - &pioD 16 0 /* conflicts with RTS0 and PWMFI3 */ - >; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_spi0>; status = "disabled"; @@ -156,7 +151,7 @@ }; macb0: ethernet@f0028000 { - compatible = "cnds,pc302-gem", "cdns,gem"; + compatible = "cdns,pc302-gem", "cdns,gem"; reg = <0xf0028000 0x100>; interrupts = <34 4 3>; pinctrl-names = "default"; @@ -203,11 +198,6 @@ compatible = "atmel,at91sam9x5-spi"; reg = <0xf8008000 0x100>; interrupts = <25 4 3>; - cs-gpios = <&pioC 25 0 - &pioC 26 0 /* conflitcs with TWD1 and ISI_D11 */ - &pioC 27 0 /* conflitcs with TWCK1 and ISI_D10 */ - &pioC 28 0 /* conflitcs with PWMFI0 and ISI_D9 */ - >; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_spi1>; status = "disabled"; diff --git a/arch/arm/boot/dts/sama5d3xcm.dtsi b/arch/arm/boot/dts/sama5d3xcm.dtsi index 1f8ed404626c..b336e7787cb3 100644 --- a/arch/arm/boot/dts/sama5d3xcm.dtsi +++ b/arch/arm/boot/dts/sama5d3xcm.dtsi @@ -32,6 +32,10 @@ ahb { apb { + spi0: spi@f0004000 { + cs-gpios = <&pioD 13 0>, <0>, <0>, <0>; + }; + macb0: ethernet@f0028000 { phy-mode = "rgmii"; }; diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts index b28fbf3408e3..6f82d9368948 100644 --- a/arch/arm/boot/dts/ste-nomadik-s8815.dts +++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts @@ -14,13 +14,19 @@ bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; }; + /* This is where the interrupt is routed on the S8815 board */ + external-bus@34000000 { + ethernet@300 { + interrupt-parent = <&gpio3>; + interrupts = <8 0x1>; + }; + }; + /* Custom board node with GPIO pins to active etc */ usb-s8815 { /* The S8815 is using this very GPIO pin for the SMSC91x IRQs */ ethernet-gpio { - gpios = <&gpio3 19 0x1>; - interrupts = <19 0x1>; - interrupt-parent = <&gpio3>; + gpios = <&gpio3 8 0x1>; }; /* This will bias the MMC/SD card detect line */ mmcsd-gpio { diff --git a/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts b/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts index 4a7c35d6726a..078ed7f618d7 100644 --- a/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts +++ b/arch/arm/boot/dts/sun4i-a10-mini-xplus.dts @@ -22,8 +22,8 @@ bootargs = "earlyprintk console=ttyS0,115200"; }; - soc { - uart0: uart@01c28000 { + soc@01c20000 { + uart0: serial@01c28000 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pins_a>; status = "okay"; diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi index 14fb2e609bab..0dbee2c23905 100644 --- a/arch/arm/boot/dts/zynq-7000.dtsi +++ b/arch/arm/boot/dts/zynq-7000.dtsi @@ -49,16 +49,18 @@ uart0: uart@e0000000 { compatible = "xlnx,xuartps"; + clocks = <&clkc 23>, <&clkc 40>; + clock-names = "ref_clk", "aper_clk"; reg = <0xE0000000 0x1000>; interrupts = <0 27 4>; - clocks = <&uart_clk 0>; }; uart1: uart@e0001000 { compatible = "xlnx,xuartps"; + clocks = <&clkc 24>, <&clkc 41>; + clock-names = "ref_clk", "aper_clk"; reg = <0xE0001000 0x1000>; interrupts = <0 50 4>; - clocks = <&uart_clk 1>; }; slcr: slcr@f8000000 { @@ -69,50 +71,21 @@ #address-cells = <1>; #size-cells = <0>; - ps_clk: ps_clk { - #clock-cells = <0>; - compatible = "fixed-clock"; - /* clock-frequency set in board-specific file */ - clock-output-names = "ps_clk"; - }; - armpll: armpll { - #clock-cells = <0>; - compatible = "xlnx,zynq-pll"; - clocks = <&ps_clk>; - reg = <0x100 0x110>; - clock-output-names = "armpll"; - }; - ddrpll: ddrpll { - #clock-cells = <0>; - compatible = "xlnx,zynq-pll"; - clocks = <&ps_clk>; - reg = <0x104 0x114>; - clock-output-names = "ddrpll"; - }; - iopll: iopll { - #clock-cells = <0>; - compatible = "xlnx,zynq-pll"; - clocks = <&ps_clk>; - reg = <0x108 0x118>; - clock-output-names = "iopll"; - }; - uart_clk: uart_clk { - #clock-cells = <1>; - compatible = "xlnx,zynq-periph-clock"; - clocks = <&iopll &armpll &ddrpll>; - reg = <0x154>; - clock-output-names = "uart0_ref_clk", - "uart1_ref_clk"; - }; - cpu_clk: cpu_clk { + clkc: clkc { #clock-cells = <1>; - compatible = "xlnx,zynq-cpu-clock"; - clocks = <&iopll &armpll &ddrpll>; - reg = <0x120 0x1C4>; - clock-output-names = "cpu_6x4x", - "cpu_3x2x", - "cpu_2x", - "cpu_1x"; + compatible = "xlnx,ps7-clkc"; + ps-clk-frequency = <33333333>; + clock-output-names = "armpll", "ddrpll", "iopll", "cpu_6or4x", + "cpu_3or2x", "cpu_2x", "cpu_1x", "ddr2x", "ddr3x", + "dci", "lqspi", "smc", "pcap", "gem0", "gem1", + "fclk0", "fclk1", "fclk2", "fclk3", "can0", "can1", + "sdio0", "sdio1", "uart0", "uart1", "spi0", "spi1", + "dma", "usb0_aper", "usb1_aper", "gem0_aper", + "gem1_aper", "sdio0_aper", "sdio1_aper", + "spi0_aper", "spi1_aper", "can0_aper", "can1_aper", + "i2c0_aper", "i2c1_aper", "uart0_aper", "uart1_aper", + "gpio_aper", "lqspi_aper", "smc_aper", "swdt", + "dbg_trc", "dbg_apb"; }; }; }; @@ -121,9 +94,8 @@ interrupt-parent = <&intc>; interrupts = < 0 10 4 0 11 4 0 12 4 >; compatible = "cdns,ttc"; + clocks = <&clkc 6>; reg = <0xF8001000 0x1000>; - clocks = <&cpu_clk 3>; - clock-names = "cpu_1x"; clock-ranges; }; @@ -131,9 +103,8 @@ interrupt-parent = <&intc>; interrupts = < 0 37 4 0 38 4 0 39 4 >; compatible = "cdns,ttc"; + clocks = <&clkc 6>; reg = <0xF8002000 0x1000>; - clocks = <&cpu_clk 3>; - clock-names = "cpu_1x"; clock-ranges; }; scutimer: scutimer@f8f00600 { @@ -141,7 +112,7 @@ interrupts = < 1 13 0x301 >; compatible = "arm,cortex-a9-twd-timer"; reg = < 0xf8f00600 0x20 >; - clocks = <&cpu_clk 1>; + clocks = <&clkc 4>; } ; }; }; diff --git a/arch/arm/boot/dts/zynq-zc702.dts b/arch/arm/boot/dts/zynq-zc702.dts index 86f44d5b0265..e25a307438ad 100644 --- a/arch/arm/boot/dts/zynq-zc702.dts +++ b/arch/arm/boot/dts/zynq-zc702.dts @@ -28,7 +28,3 @@ }; }; - -&ps_clk { - clock-frequency = <33333330>; -}; diff --git a/arch/arm/configs/kirkwood_defconfig b/arch/arm/configs/kirkwood_defconfig index a1d8252e9ec7..0f2aa61911a3 100644 --- a/arch/arm/configs/kirkwood_defconfig +++ b/arch/arm/configs/kirkwood_defconfig @@ -1,4 +1,3 @@ -CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y @@ -31,6 +30,7 @@ CONFIG_MACH_T5325=y CONFIG_MACH_TS219=y CONFIG_MACH_TS41X=y CONFIG_MACH_CLOUDBOX_DT=y +CONFIG_MACH_DB88F628X_BP_DT=y CONFIG_MACH_DLINK_KIRKWOOD_DT=y CONFIG_MACH_DOCKSTAR_DT=y CONFIG_MACH_DREAMPLUG_DT=y @@ -50,14 +50,19 @@ CONFIG_MACH_NETSPACE_V2_DT=y CONFIG_MACH_NSA310_DT=y CONFIG_MACH_OPENBLOCKS_A6_DT=y CONFIG_MACH_READYNAS_DT=y +CONFIG_MACH_SHEEVAPLUG_DT=y CONFIG_MACH_TOPKICK_DT=y CONFIG_MACH_TS219_DT=y # CONFIG_CPU_FEROCEON_OLD_ID is not set +CONFIG_PCI_MVEBU=y CONFIG_PREEMPT=y CONFIG_AEABI=y # CONFIG_OABI_COMPAT is not set CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_STAT_DETAILS=y +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y CONFIG_CPU_IDLE=y CONFIG_NET=y CONFIG_PACKET=y @@ -68,14 +73,12 @@ CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y # CONFIG_IPV6 is not set -CONFIG_NET_DSA=y CONFIG_NET_PKTGEN=m CONFIG_CFG80211=y CONFIG_MAC80211=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y CONFIG_MTD_JEDECPROBE=y @@ -140,6 +143,7 @@ CONFIG_HID_TOPSEED=y CONFIG_HID_THRUSTMASTER=y CONFIG_HID_ZEROPLUS=y CONFIG_USB=y +CONFIG_USB_XHCI_HCD=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_ROOT_HUB_TT=y CONFIG_USB_PRINTER=m diff --git a/arch/arm/configs/mvebu_defconfig b/arch/arm/configs/mvebu_defconfig index f3e8ae001ff1..804b1dae4330 100644 --- a/arch/arm/configs/mvebu_defconfig +++ b/arch/arm/configs/mvebu_defconfig @@ -13,6 +13,8 @@ CONFIG_MACH_ARMADA_370=y CONFIG_MACH_ARMADA_XP=y # CONFIG_CACHE_L2X0 is not set # CONFIG_SWP_EMULATE is not set +CONFIG_PCI=y +CONFIG_PCI_MVEBU=y CONFIG_SMP=y CONFIG_AEABI=y CONFIG_HIGHMEM=y @@ -60,6 +62,8 @@ CONFIG_USB_SUPPORT=y CONFIG_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_ROOT_HUB_TT=y +CONFIG_USB_STORAGE=y +CONFIG_USB_XHCI_HCD=y CONFIG_MMC=y CONFIG_MMC_MVSDIO=y CONFIG_NEW_LEDS=y diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig index 7e0ebb64a7f9..9940f7b4e438 100644 --- a/arch/arm/configs/omap1_defconfig +++ b/arch/arm/configs/omap1_defconfig @@ -199,7 +199,6 @@ CONFIG_USB_PHY=y CONFIG_USB_DEBUG=y CONFIG_USB_DEVICEFS=y # CONFIG_USB_DEVICE_CLASS is not set -CONFIG_USB_SUSPEND=y CONFIG_USB_MON=y CONFIG_USB_OHCI_HCD=y CONFIG_USB_STORAGE=y diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index c1ef64bc5abd..abbe31937c65 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -20,6 +20,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y # CONFIG_BLK_DEV_BSG is not set +CONFIG_ARCH_MULTI_V6=y CONFIG_ARCH_OMAP2PLUS=y CONFIG_OMAP_RESET_CLOCKS=y CONFIG_OMAP_MUX_DEBUG=y @@ -204,7 +205,6 @@ CONFIG_USB=y CONFIG_USB_DEBUG=y CONFIG_USB_ANNOUNCE_NEW_DEVICES=y CONFIG_USB_DEVICEFS=y -CONFIG_USB_SUSPEND=y CONFIG_USB_MON=y CONFIG_USB_WDM=y CONFIG_USB_STORAGE=y diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig index a5f0485133cf..f7ba316164d4 100644 --- a/arch/arm/configs/tegra_defconfig +++ b/arch/arm/configs/tegra_defconfig @@ -153,6 +153,7 @@ CONFIG_MEDIA_CAMERA_SUPPORT=y CONFIG_MEDIA_USB_SUPPORT=y CONFIG_USB_VIDEO_CLASS=m CONFIG_DRM=y +CONFIG_TEGRA_HOST1X=y CONFIG_DRM_TEGRA=y CONFIG_BACKLIGHT_LCD_SUPPORT=y # CONFIG_LCD_CLASS_DEVICE is not set @@ -202,7 +203,7 @@ CONFIG_TEGRA20_APB_DMA=y CONFIG_STAGING=y CONFIG_SENSORS_ISL29018=y CONFIG_SENSORS_ISL29028=y -CONFIG_SENSORS_AK8975=y +CONFIG_AK8975=y CONFIG_MFD_NVEC=y CONFIG_KEYBOARD_NVEC=y CONFIG_SERIO_NVEC_PS2=y diff --git a/arch/arm/crypto/sha1-armv4-large.S b/arch/arm/crypto/sha1-armv4-large.S index 92c6eed7aac9..99207c45ec10 100644 --- a/arch/arm/crypto/sha1-armv4-large.S +++ b/arch/arm/crypto/sha1-armv4-large.S @@ -195,6 +195,7 @@ ENTRY(sha1_block_data_order) add r3,r3,r10 @ E+=F_00_19(B,C,D) cmp r14,sp bne .L_00_15 @ [((11+4)*5+2)*3] + sub sp,sp,#25*4 #if __ARM_ARCH__<7 ldrb r10,[r1,#2] ldrb r9,[r1,#3] @@ -290,7 +291,6 @@ ENTRY(sha1_block_data_order) add r3,r3,r10 @ E+=F_00_19(B,C,D) ldr r8,.LK_20_39 @ [+15+16*4] - sub sp,sp,#25*4 cmn sp,#0 @ [+3], clear carry to denote 20_39 .L_20_39_or_60_79: ldr r9,[r14,#15*4] diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 05ee9eebad6b..a5fef710af32 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -136,7 +136,11 @@ * assumes FIQs are enabled, and that the processor is in SVC mode. */ .macro save_and_disable_irqs, oldcpsr +#ifdef CONFIG_CPU_V7M + mrs \oldcpsr, primask +#else mrs \oldcpsr, cpsr +#endif disable_irq .endm @@ -150,7 +154,11 @@ * guarantee that this will preserve the flags. */ .macro restore_irqs_notrace, oldcpsr +#ifdef CONFIG_CPU_V7M + msr primask, \oldcpsr +#else msr cpsr_c, \oldcpsr +#endif .endm .macro restore_irqs, oldcpsr @@ -229,7 +237,14 @@ #endif .endm -#ifdef CONFIG_THUMB2_KERNEL +#if defined(CONFIG_CPU_V7M) + /* + * setmode is used to assert to be in svc mode during boot. For v7-M + * this is done in __v7m_setup, so setmode can be empty here. + */ + .macro setmode, mode, reg + .endm +#elif defined(CONFIG_THUMB2_KERNEL) .macro setmode, mode, reg mov \reg, #\mode msr cpsr_c, \reg diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h index 1f3262e99d81..cedd3721318b 100644 --- a/arch/arm/include/asm/cp15.h +++ b/arch/arm/include/asm/cp15.h @@ -61,6 +61,20 @@ static inline void set_cr(unsigned int val) isb(); } +static inline unsigned int get_auxcr(void) +{ + unsigned int val; + asm("mrc p15, 0, %0, c1, c0, 1 @ get AUXCR" : "=r" (val)); + return val; +} + +static inline void set_auxcr(unsigned int val) +{ + asm volatile("mcr p15, 0, %0, c1, c0, 1 @ set AUXCR" + : : "r" (val)); + isb(); +} + #ifndef CONFIG_SMP extern void adjust_cr(unsigned long mask, unsigned long set); #endif diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index 7652712d1d14..ec635ff32f49 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -10,6 +10,22 @@ #define CPUID_TLBTYPE 3 #define CPUID_MPIDR 5 +#ifdef CONFIG_CPU_V7M +#define CPUID_EXT_PFR0 0x40 +#define CPUID_EXT_PFR1 0x44 +#define CPUID_EXT_DFR0 0x48 +#define CPUID_EXT_AFR0 0x4c +#define CPUID_EXT_MMFR0 0x50 +#define CPUID_EXT_MMFR1 0x54 +#define CPUID_EXT_MMFR2 0x58 +#define CPUID_EXT_MMFR3 0x5c +#define CPUID_EXT_ISAR0 0x60 +#define CPUID_EXT_ISAR1 0x64 +#define CPUID_EXT_ISAR2 0x68 +#define CPUID_EXT_ISAR3 0x6c +#define CPUID_EXT_ISAR4 0x70 +#define CPUID_EXT_ISAR5 0x74 +#else #define CPUID_EXT_PFR0 "c1, 0" #define CPUID_EXT_PFR1 "c1, 1" #define CPUID_EXT_DFR0 "c1, 2" @@ -24,6 +40,7 @@ #define CPUID_EXT_ISAR3 "c2, 3" #define CPUID_EXT_ISAR4 "c2, 4" #define CPUID_EXT_ISAR5 "c2, 5" +#endif #define MPIDR_SMP_BITMASK (0x3 << 30) #define MPIDR_SMP_VALUE (0x2 << 30) @@ -79,7 +96,23 @@ extern unsigned int processor_id; __val; \ }) -#else /* ifdef CONFIG_CPU_CP15 */ +#elif defined(CONFIG_CPU_V7M) + +#include <asm/io.h> +#include <asm/v7m.h> + +#define read_cpuid(reg) \ + ({ \ + WARN_ON_ONCE(1); \ + 0; \ + }) + +static inline unsigned int __attribute_const__ read_cpuid_ext(unsigned offset) +{ + return readl(BASEADDR_V7M_SCB + offset); +} + +#else /* ifdef CONFIG_CPU_CP15 / elif defined (CONFIG_CPU_V7M) */ /* * read_cpuid and read_cpuid_ext should only ever be called on machines that @@ -106,7 +139,14 @@ static inline unsigned int __attribute_const__ read_cpuid_id(void) return read_cpuid(CPUID_ID); } -#else /* ifdef CONFIG_CPU_CP15 */ +#elif defined(CONFIG_CPU_V7M) + +static inline unsigned int __attribute_const__ read_cpuid_id(void) +{ + return readl(BASEADDR_V7M_SCB + V7M_SCB_CPUID); +} + +#else /* ifdef CONFIG_CPU_CP15 / elif defined(CONFIG_CPU_V7M) */ static inline unsigned int __attribute_const__ read_cpuid_id(void) { diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h index ea289e1435e7..c81adc08b3fb 100644 --- a/arch/arm/include/asm/glue-cache.h +++ b/arch/arm/include/asm/glue-cache.h @@ -117,10 +117,37 @@ # endif #endif +#if defined(CONFIG_CPU_V7M) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE nop +# endif +#endif + #if !defined(_CACHE) && !defined(MULTI_CACHE) #error Unknown cache maintenance model #endif +#ifndef __ASSEMBLER__ +extern inline void nop_flush_icache_all(void) { } +extern inline void nop_flush_kern_cache_all(void) { } +extern inline void nop_flush_kern_cache_louis(void) { } +extern inline void nop_flush_user_cache_all(void) { } +extern inline void nop_flush_user_cache_range(unsigned long a, + unsigned long b, unsigned int c) { } + +extern inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { } +extern inline int nop_coherent_user_range(unsigned long a, + unsigned long b) { return 0; } +extern inline void nop_flush_kern_dcache_area(void *a, size_t s) { } + +extern inline void nop_dma_flush_range(const void *a, const void *b) { } + +extern inline void nop_dma_map_area(const void *s, size_t l, int f) { } +extern inline void nop_dma_unmap_area(const void *s, size_t l, int f) { } +#endif + #ifndef MULTI_CACHE #define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all) #define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all) diff --git a/arch/arm/include/asm/glue-df.h b/arch/arm/include/asm/glue-df.h index b6e9f2c108b5..6b70f1b46a6e 100644 --- a/arch/arm/include/asm/glue-df.h +++ b/arch/arm/include/asm/glue-df.h @@ -95,6 +95,14 @@ # endif #endif +#ifdef CONFIG_CPU_ABRT_NOMMU +# ifdef CPU_DABORT_HANDLER +# define MULTI_DABORT 1 +# else +# define CPU_DABORT_HANDLER nommu_early_abort +# endif +#endif + #ifndef CPU_DABORT_HANDLER #error Unknown data abort handler type #endif diff --git a/arch/arm/include/asm/glue-proc.h b/arch/arm/include/asm/glue-proc.h index ac1dd54724b6..f2f39bcf7945 100644 --- a/arch/arm/include/asm/glue-proc.h +++ b/arch/arm/include/asm/glue-proc.h @@ -230,6 +230,15 @@ # endif #endif +#ifdef CONFIG_CPU_V7M +# ifdef CPU_NAME +# undef MULTI_CPU +# define MULTI_CPU +# else +# define CPU_NAME cpu_v7m +# endif +#endif + #ifndef MULTI_CPU #define cpu_proc_init __glue(CPU_NAME,_proc_init) #define cpu_proc_fin __glue(CPU_NAME,_proc_fin) diff --git a/arch/arm/include/asm/irqflags.h b/arch/arm/include/asm/irqflags.h index 1e6cca55c750..3b763d6652a0 100644 --- a/arch/arm/include/asm/irqflags.h +++ b/arch/arm/include/asm/irqflags.h @@ -8,6 +8,16 @@ /* * CPU interrupt mask handling. */ +#ifdef CONFIG_CPU_V7M +#define IRQMASK_REG_NAME_R "primask" +#define IRQMASK_REG_NAME_W "primask" +#define IRQMASK_I_BIT 1 +#else +#define IRQMASK_REG_NAME_R "cpsr" +#define IRQMASK_REG_NAME_W "cpsr_c" +#define IRQMASK_I_BIT PSR_I_BIT +#endif + #if __LINUX_ARM_ARCH__ >= 6 static inline unsigned long arch_local_irq_save(void) @@ -15,7 +25,7 @@ static inline unsigned long arch_local_irq_save(void) unsigned long flags; asm volatile( - " mrs %0, cpsr @ arch_local_irq_save\n" + " mrs %0, " IRQMASK_REG_NAME_R " @ arch_local_irq_save\n" " cpsid i" : "=r" (flags) : : "memory", "cc"); return flags; @@ -129,7 +139,7 @@ static inline unsigned long arch_local_save_flags(void) { unsigned long flags; asm volatile( - " mrs %0, cpsr @ local_save_flags" + " mrs %0, " IRQMASK_REG_NAME_R " @ local_save_flags" : "=r" (flags) : : "memory", "cc"); return flags; } @@ -140,7 +150,7 @@ static inline unsigned long arch_local_save_flags(void) static inline void arch_local_irq_restore(unsigned long flags) { asm volatile( - " msr cpsr_c, %0 @ local_irq_restore" + " msr " IRQMASK_REG_NAME_W ", %0 @ local_irq_restore" : : "r" (flags) : "memory", "cc"); @@ -148,8 +158,8 @@ static inline void arch_local_irq_restore(unsigned long flags) static inline int arch_irqs_disabled_flags(unsigned long flags) { - return flags & PSR_I_BIT; + return flags & IRQMASK_I_BIT; } -#endif -#endif +#endif /* ifdef __KERNEL__ */ +#endif /* ifndef __ASM_ARM_IRQFLAGS_H */ diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index 308ad7d6f98b..75bf07910b81 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#include <linux/types.h> + #ifndef __ASSEMBLY__ struct tag; @@ -16,8 +18,10 @@ struct pt_regs; struct smp_operations; #ifdef CONFIG_SMP #define smp_ops(ops) (&(ops)) +#define smp_init_ops(ops) (&(ops)) #else #define smp_ops(ops) (struct smp_operations *)NULL +#define smp_init_ops(ops) (bool (*)(void))NULL #endif struct machine_desc { @@ -41,6 +45,7 @@ struct machine_desc { unsigned char reserve_lp2 :1; /* never has lp2 */ char restart_mode; /* default restart mode */ struct smp_operations *smp; /* SMP operations */ + bool (*smp_init)(void); void (*fixup)(struct tag *, char **, struct meminfo *); void (*reserve)(void);/* reserve mem blocks */ diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h index ce0dbe7c1625..c4ae171850f8 100644 --- a/arch/arm/include/asm/psci.h +++ b/arch/arm/include/asm/psci.h @@ -32,5 +32,14 @@ struct psci_operations { }; extern struct psci_operations psci_ops; +extern struct smp_operations psci_smp_ops; + +#ifdef CONFIG_ARM_PSCI +void psci_init(void); +bool psci_smp_available(void); +#else +static inline void psci_init(void) { } +static inline bool psci_smp_available(void) { return false; } +#endif #endif /* __ASM_ARM_PSCI_H */ diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h index 3d52ee1bfb31..04c99f36ff7f 100644 --- a/arch/arm/include/asm/ptrace.h +++ b/arch/arm/include/asm/ptrace.h @@ -45,6 +45,7 @@ struct pt_regs { */ static inline int valid_user_regs(struct pt_regs *regs) { +#ifndef CONFIG_CPU_V7M unsigned long mode = regs->ARM_cpsr & MODE_MASK; /* @@ -67,6 +68,9 @@ static inline int valid_user_regs(struct pt_regs *regs) regs->ARM_cpsr |= USR_MODE; return 0; +#else /* ifndef CONFIG_CPU_V7M */ + return 1; +#endif } static inline long regs_return_value(struct pt_regs *regs) diff --git a/arch/arm/include/asm/system_info.h b/arch/arm/include/asm/system_info.h index dfd386d0c022..720ea0320a6d 100644 --- a/arch/arm/include/asm/system_info.h +++ b/arch/arm/include/asm/system_info.h @@ -11,6 +11,7 @@ #define CPU_ARCH_ARMv5TEJ 7 #define CPU_ARCH_ARMv6 8 #define CPU_ARCH_ARMv7 9 +#define CPU_ARCH_ARMv7M 10 #ifndef __ASSEMBLY__ diff --git a/arch/arm/include/asm/v7m.h b/arch/arm/include/asm/v7m.h new file mode 100644 index 000000000000..fa88d09fa3d9 --- /dev/null +++ b/arch/arm/include/asm/v7m.h @@ -0,0 +1,44 @@ +/* + * Common defines for v7m cpus + */ +#define V7M_SCS_ICTR IOMEM(0xe000e004) +#define V7M_SCS_ICTR_INTLINESNUM_MASK 0x0000000f + +#define BASEADDR_V7M_SCB IOMEM(0xe000ed00) + +#define V7M_SCB_CPUID 0x00 + +#define V7M_SCB_ICSR 0x04 +#define V7M_SCB_ICSR_PENDSVSET (1 << 28) +#define V7M_SCB_ICSR_PENDSVCLR (1 << 27) +#define V7M_SCB_ICSR_RETTOBASE (1 << 11) + +#define V7M_SCB_VTOR 0x08 + +#define V7M_SCB_SCR 0x10 +#define V7M_SCB_SCR_SLEEPDEEP (1 << 2) + +#define V7M_SCB_CCR 0x14 +#define V7M_SCB_CCR_STKALIGN (1 << 9) + +#define V7M_SCB_SHPR2 0x1c +#define V7M_SCB_SHPR3 0x20 + +#define V7M_SCB_SHCSR 0x24 +#define V7M_SCB_SHCSR_USGFAULTENA (1 << 18) +#define V7M_SCB_SHCSR_BUSFAULTENA (1 << 17) +#define V7M_SCB_SHCSR_MEMFAULTENA (1 << 16) + +#define V7M_xPSR_FRAMEPTRALIGN 0x00000200 +#define V7M_xPSR_EXCEPTIONNO 0x000001ff + +/* + * When branching to an address that has bits [31:28] == 0xf an exception return + * occurs. Bits [27:5] are reserved (SBOP). If the processor implements the FP + * extension Bit [4] defines if the exception frame has space allocated for FP + * state information, SBOP otherwise. Bit [3] defines the mode that is returned + * to (0 -> handler mode; 1 -> thread mode). Bit [2] defines which sp is used + * (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01. + */ +#define EXC_RET_STACK_MASK 0x00000004 +#define EXC_RET_THREADMODE_PROCESSSTACK 0xfffffffd diff --git a/arch/arm/include/debug/ux500.S b/arch/arm/include/debug/ux500.S index 2848857f5b62..fbd24beeb1fa 100644 --- a/arch/arm/include/debug/ux500.S +++ b/arch/arm/include/debug/ux500.S @@ -24,9 +24,9 @@ #define U8500_UART0_PHYS_BASE (0x80120000) #define U8500_UART1_PHYS_BASE (0x80121000) #define U8500_UART2_PHYS_BASE (0x80007000) -#define U8500_UART0_VIRT_BASE (0xa8120000) -#define U8500_UART1_VIRT_BASE (0xa8121000) -#define U8500_UART2_VIRT_BASE (0xa8007000) +#define U8500_UART0_VIRT_BASE (0xf8120000) +#define U8500_UART1_VIRT_BASE (0xf8121000) +#define U8500_UART2_VIRT_BASE (0xf8007000) #define __UX500_PHYS_UART(n) U8500_UART##n##_PHYS_BASE #define __UX500_VIRT_UART(n) U8500_UART##n##_VIRT_BASE #endif diff --git a/arch/arm/include/uapi/asm/ptrace.h b/arch/arm/include/uapi/asm/ptrace.h index 96ee0929790f..5af0ed1b825a 100644 --- a/arch/arm/include/uapi/asm/ptrace.h +++ b/arch/arm/include/uapi/asm/ptrace.h @@ -34,28 +34,47 @@ /* * PSR bits + * Note on V7M there is no mode contained in the PSR */ #define USR26_MODE 0x00000000 #define FIQ26_MODE 0x00000001 #define IRQ26_MODE 0x00000002 #define SVC26_MODE 0x00000003 +#if defined(__KERNEL__) && defined(CONFIG_CPU_V7M) +/* + * Use 0 here to get code right that creates a userspace + * or kernel space thread. + */ +#define USR_MODE 0x00000000 +#define SVC_MODE 0x00000000 +#else #define USR_MODE 0x00000010 +#define SVC_MODE 0x00000013 +#endif #define FIQ_MODE 0x00000011 #define IRQ_MODE 0x00000012 -#define SVC_MODE 0x00000013 #define ABT_MODE 0x00000017 #define HYP_MODE 0x0000001a #define UND_MODE 0x0000001b #define SYSTEM_MODE 0x0000001f #define MODE32_BIT 0x00000010 #define MODE_MASK 0x0000001f -#define PSR_T_BIT 0x00000020 -#define PSR_F_BIT 0x00000040 -#define PSR_I_BIT 0x00000080 -#define PSR_A_BIT 0x00000100 -#define PSR_E_BIT 0x00000200 -#define PSR_J_BIT 0x01000000 -#define PSR_Q_BIT 0x08000000 + +#define V4_PSR_T_BIT 0x00000020 /* >= V4T, but not V7M */ +#define V7M_PSR_T_BIT 0x01000000 +#if defined(__KERNEL__) && defined(CONFIG_CPU_V7M) +#define PSR_T_BIT V7M_PSR_T_BIT +#else +/* for compatibility */ +#define PSR_T_BIT V4_PSR_T_BIT +#endif + +#define PSR_F_BIT 0x00000040 /* >= V4, but not V7M */ +#define PSR_I_BIT 0x00000080 /* >= V4, but not V7M */ +#define PSR_A_BIT 0x00000100 /* >= V6, but not V7M */ +#define PSR_E_BIT 0x00000200 /* >= V6, but not V7M */ +#define PSR_J_BIT 0x01000000 /* >= V5J, but not V7M */ +#define PSR_Q_BIT 0x08000000 /* >= V5E, including V7M */ #define PSR_V_BIT 0x10000000 #define PSR_C_BIT 0x20000000 #define PSR_Z_BIT 0x40000000 diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 5f3338eacad2..f4285b5ffb05 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -15,7 +15,7 @@ CFLAGS_REMOVE_return_address.o = -pg # Object file lists. -obj-y := elf.o entry-armv.o entry-common.o irq.o opcodes.o \ +obj-y := elf.o entry-common.o irq.o opcodes.o \ process.o ptrace.o return_address.o sched_clock.o \ setup.o signal.o stacktrace.o sys_arm.o time.o traps.o @@ -23,6 +23,12 @@ obj-$(CONFIG_ATAGS) += atags_parse.o obj-$(CONFIG_ATAGS_PROC) += atags_proc.o obj-$(CONFIG_DEPRECATED_PARAM_STRUCT) += atags_compat.o +ifeq ($(CONFIG_CPU_V7M),y) +obj-y += entry-v7m.o +else +obj-y += entry-armv.o +endif + obj-$(CONFIG_OC_ETM) += etm.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_ISA_DMA_API) += dma.o @@ -82,6 +88,9 @@ obj-$(CONFIG_DEBUG_LL) += debug.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_ARM_VIRT_EXT) += hyp-stub.o -obj-$(CONFIG_ARM_PSCI) += psci.o +ifeq ($(CONFIG_ARM_PSCI),y) +obj-y += psci.o +obj-$(CONFIG_SMP) += psci_smp.o +endif extra-y := $(head-y) vmlinux.lds diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index bc5bc0a97131..85a72b0809ca 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -350,6 +350,9 @@ ENDPROC(ftrace_stub) .align 5 ENTRY(vector_swi) +#ifdef CONFIG_CPU_V7M + v7m_exception_entry +#else sub sp, sp, #S_FRAME_SIZE stmia sp, {r0 - r12} @ Calling r0 - r12 ARM( add r8, sp, #S_PC ) @@ -360,6 +363,7 @@ ENTRY(vector_swi) str lr, [sp, #S_PC] @ Save calling PC str r8, [sp, #S_PSR] @ Save CPSR str r0, [sp, #S_OLD_R0] @ Save OLD_R0 +#endif zero_fp /* diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 160f3376ba6d..de23a9beed13 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -5,6 +5,7 @@ #include <asm/asm-offsets.h> #include <asm/errno.h> #include <asm/thread_info.h> +#include <asm/v7m.h> @ Bad Abort numbers @ ----------------- @@ -44,6 +45,116 @@ #endif .endm +#ifdef CONFIG_CPU_V7M +/* + * ARMv7-M exception entry/exit macros. + * + * xPSR, ReturnAddress(), LR (R14), R12, R3, R2, R1, and R0 are + * automatically saved on the current stack (32 words) before + * switching to the exception stack (SP_main). + * + * If exception is taken while in user mode, SP_main is + * empty. Otherwise, SP_main is aligned to 64 bit automatically + * (CCR.STKALIGN set). + * + * Linux assumes that the interrupts are disabled when entering an + * exception handler and it may BUG if this is not the case. Interrupts + * are disabled during entry and reenabled in the exit macro. + * + * v7m_exception_slow_exit is used when returning from SVC or PendSV. + * When returning to kernel mode, we don't return from exception. + */ + .macro v7m_exception_entry + @ determine the location of the registers saved by the core during + @ exception entry. Depending on the mode the cpu was in when the + @ exception happend that is either on the main or the process stack. + @ Bit 2 of EXC_RETURN stored in the lr register specifies which stack + @ was used. + tst lr, #EXC_RET_STACK_MASK + mrsne r12, psp + moveq r12, sp + + @ we cannot rely on r0-r3 and r12 matching the value saved in the + @ exception frame because of tail-chaining. So these have to be + @ reloaded. + ldmia r12!, {r0-r3} + + @ Linux expects to have irqs off. Do it here before taking stack space + cpsid i + + sub sp, #S_FRAME_SIZE-S_IP + stmdb sp!, {r0-r11} + + @ load saved r12, lr, return address and xPSR. + @ r0-r7 are used for signals and never touched from now on. Clobbering + @ r8-r12 is OK. + mov r9, r12 + ldmia r9!, {r8, r10-r12} + + @ calculate the original stack pointer value. + @ r9 currently points to the memory location just above the auto saved + @ xPSR. + @ The cpu might automatically 8-byte align the stack. Bit 9 + @ of the saved xPSR specifies if stack aligning took place. In this case + @ another 32-bit value is included in the stack. + + tst r12, V7M_xPSR_FRAMEPTRALIGN + addne r9, r9, #4 + + @ store saved r12 using str to have a register to hold the base for stm + str r8, [sp, #S_IP] + add r8, sp, #S_SP + @ store r13-r15, xPSR + stmia r8!, {r9-r12} + @ store old_r0 + str r0, [r8] + .endm + + /* + * PENDSV and SVCALL are configured to have the same exception + * priorities. As a kernel thread runs at SVCALL execution priority it + * can never be preempted and so we will never have to return to a + * kernel thread here. + */ + .macro v7m_exception_slow_exit ret_r0 + cpsid i + ldr lr, =EXC_RET_THREADMODE_PROCESSSTACK + + @ read original r12, sp, lr, pc and xPSR + add r12, sp, #S_IP + ldmia r12, {r1-r5} + + @ an exception frame is always 8-byte aligned. To tell the hardware if + @ the sp to be restored is aligned or not set bit 9 of the saved xPSR + @ accordingly. + tst r2, #4 + subne r2, r2, #4 + orrne r5, V7M_xPSR_FRAMEPTRALIGN + biceq r5, V7M_xPSR_FRAMEPTRALIGN + + @ write basic exception frame + stmdb r2!, {r1, r3-r5} + ldmia sp, {r1, r3-r5} + .if \ret_r0 + stmdb r2!, {r0, r3-r5} + .else + stmdb r2!, {r1, r3-r5} + .endif + + @ restore process sp + msr psp, r2 + + @ restore original r4-r11 + ldmia sp!, {r0-r11} + + @ restore main sp + add sp, sp, #S_FRAME_SIZE-S_IP + + cpsie i + bx lr + .endm +#endif /* CONFIG_CPU_V7M */ + @ @ Store/load the USER SP and LR registers by switching to the SYS @ mode. Useful in Thumb-2 mode where "stm/ldm rd, {sp, lr}^" is not @@ -165,6 +276,18 @@ rfeia sp! .endm +#ifdef CONFIG_CPU_V7M + /* + * Note we don't need to do clrex here as clearing the local monitor is + * part of each exception entry and exit sequence. + */ + .macro restore_user_regs, fast = 0, offset = 0 + .if \offset + add sp, #\offset + .endif + v7m_exception_slow_exit ret_r0 = \fast + .endm +#else /* ifdef CONFIG_CPU_V7M */ .macro restore_user_regs, fast = 0, offset = 0 clrex @ clear the exclusive monitor mov r2, sp @@ -181,6 +304,7 @@ add sp, sp, #S_FRAME_SIZE - S_SP movs pc, lr @ return & move spsr_svc into cpsr .endm +#endif /* ifdef CONFIG_CPU_V7M / else */ .macro get_thread_info, rd mov \rd, sp diff --git a/arch/arm/kernel/entry-v7m.S b/arch/arm/kernel/entry-v7m.S new file mode 100644 index 000000000000..e00621f1403f --- /dev/null +++ b/arch/arm/kernel/entry-v7m.S @@ -0,0 +1,143 @@ +/* + * linux/arch/arm/kernel/entry-v7m.S + * + * Copyright (C) 2008 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Low-level vector interface routines for the ARMv7-M architecture + */ +#include <asm/memory.h> +#include <asm/glue.h> +#include <asm/thread_notify.h> +#include <asm/v7m.h> + +#include <mach/entry-macro.S> + +#include "entry-header.S" + +#ifdef CONFIG_TRACE_IRQFLAGS +#error "CONFIG_TRACE_IRQFLAGS not supported on the current ARMv7M implementation" +#endif + +__invalid_entry: + v7m_exception_entry + adr r0, strerr + mrs r1, ipsr + mov r2, lr + bl printk + mov r0, sp + bl show_regs +1: b 1b +ENDPROC(__invalid_entry) + +strerr: .asciz "\nUnhandled exception: IPSR = %08lx LR = %08lx\n" + + .align 2 +__irq_entry: + v7m_exception_entry + + @ + @ Invoke the IRQ handler + @ + mrs r0, ipsr + ldr r1, =V7M_xPSR_EXCEPTIONNO + and r0, r1 + sub r0, #16 + mov r1, sp + stmdb sp!, {lr} + @ routine called with r0 = irq number, r1 = struct pt_regs * + bl nvic_do_IRQ + + pop {lr} + @ + @ Check for any pending work if returning to user + @ + ldr r1, =BASEADDR_V7M_SCB + ldr r0, [r1, V7M_SCB_ICSR] + tst r0, V7M_SCB_ICSR_RETTOBASE + beq 2f + + get_thread_info tsk + ldr r2, [tsk, #TI_FLAGS] + tst r2, #_TIF_WORK_MASK + beq 2f @ no work pending + mov r0, #V7M_SCB_ICSR_PENDSVSET + str r0, [r1, V7M_SCB_ICSR] @ raise PendSV + +2: + @ registers r0-r3 and r12 are automatically restored on exception + @ return. r4-r7 were not clobbered in v7m_exception_entry so for + @ correctness they don't need to be restored. So only r8-r11 must be + @ restored here. The easiest way to do so is to restore r0-r7, too. + ldmia sp!, {r0-r11} + add sp, #S_FRAME_SIZE-S_IP + cpsie i + bx lr +ENDPROC(__irq_entry) + +__pendsv_entry: + v7m_exception_entry + + ldr r1, =BASEADDR_V7M_SCB + mov r0, #V7M_SCB_ICSR_PENDSVCLR + str r0, [r1, V7M_SCB_ICSR] @ clear PendSV + + @ execute the pending work, including reschedule + get_thread_info tsk + mov why, #0 + b ret_to_user +ENDPROC(__pendsv_entry) + +/* + * Register switch for ARMv7-M processors. + * r0 = previous task_struct, r1 = previous thread_info, r2 = next thread_info + * previous and next are guaranteed not to be the same. + */ +ENTRY(__switch_to) + .fnstart + .cantunwind + add ip, r1, #TI_CPU_SAVE + stmia ip!, {r4 - r11} @ Store most regs on stack + str sp, [ip], #4 + str lr, [ip], #4 + mov r5, r0 + add r4, r2, #TI_CPU_SAVE + ldr r0, =thread_notify_head + mov r1, #THREAD_NOTIFY_SWITCH + bl atomic_notifier_call_chain + mov ip, r4 + mov r0, r5 + ldmia ip!, {r4 - r11} @ Load all regs saved previously + ldr sp, [ip] + ldr pc, [ip, #4]! + .fnend +ENDPROC(__switch_to) + + .data + .align 8 +/* + * Vector table (64 words => 256 bytes natural alignment) + */ +ENTRY(vector_table) + .long 0 @ 0 - Reset stack pointer + .long __invalid_entry @ 1 - Reset + .long __invalid_entry @ 2 - NMI + .long __invalid_entry @ 3 - HardFault + .long __invalid_entry @ 4 - MemManage + .long __invalid_entry @ 5 - BusFault + .long __invalid_entry @ 6 - UsageFault + .long __invalid_entry @ 7 - Reserved + .long __invalid_entry @ 8 - Reserved + .long __invalid_entry @ 9 - Reserved + .long __invalid_entry @ 10 - Reserved + .long vector_swi @ 11 - SVCall + .long __invalid_entry @ 12 - Debug Monitor + .long __invalid_entry @ 13 - Reserved + .long __pendsv_entry @ 14 - PendSV + .long __invalid_entry @ 15 - SysTick + .rept 64 - 16 + .long __irq_entry @ 16..64 - External Interrupts + .endr diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 6a2e09c952c7..8812ce88f7a1 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -19,6 +19,7 @@ #include <asm/asm-offsets.h> #include <asm/cp15.h> #include <asm/thread_info.h> +#include <asm/v7m.h> /* * Kernel startup entry point. @@ -50,10 +51,13 @@ ENTRY(stext) setmode PSR_F_BIT | PSR_I_BIT | SVC_MODE, r9 @ ensure svc mode @ and irqs disabled -#ifndef CONFIG_CPU_CP15 - ldr r9, =CONFIG_PROCESSOR_ID -#else +#if defined(CONFIG_CPU_CP15) mrc p15, 0, r9, c0, c0 @ get processor id +#elif defined(CONFIG_CPU_V7M) + ldr r9, =BASEADDR_V7M_SCB + ldr r9, [r9, V7M_SCB_CPUID] +#else + ldr r9, =CONFIG_PROCESSOR_ID #endif bl __lookup_processor_type @ r5=procinfo r9=cpuid movs r10, r5 @ invalid processor (r5=0)? diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index f21970316836..282de4826abb 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -411,7 +411,6 @@ static struct vm_area_struct gate_vma = { .vm_start = 0xffff0000, .vm_end = 0xffff0000 + PAGE_SIZE, .vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC, - .vm_mm = &init_mm, }; static int __init gate_vma_init(void) diff --git a/arch/arm/kernel/psci.c b/arch/arm/kernel/psci.c index 36531643cc2c..46931880093d 100644 --- a/arch/arm/kernel/psci.c +++ b/arch/arm/kernel/psci.c @@ -158,7 +158,7 @@ static const struct of_device_id psci_of_match[] __initconst = { {}, }; -static int __init psci_init(void) +void __init psci_init(void) { struct device_node *np; const char *method; @@ -166,7 +166,7 @@ static int __init psci_init(void) np = of_find_matching_node(NULL, psci_of_match); if (!np) - return 0; + return; pr_info("probing function IDs from device-tree\n"); @@ -206,6 +206,5 @@ static int __init psci_init(void) out_put_node: of_node_put(np); - return 0; + return; } -early_initcall(psci_init); diff --git a/arch/arm/kernel/psci_smp.c b/arch/arm/kernel/psci_smp.c new file mode 100644 index 000000000000..23a11424c568 --- /dev/null +++ b/arch/arm/kernel/psci_smp.c @@ -0,0 +1,84 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Copyright (C) 2012 ARM Limited + * + * Author: Will Deacon <will.deacon@arm.com> + */ + +#include <linux/init.h> +#include <linux/irqchip/arm-gic.h> +#include <linux/smp.h> +#include <linux/of.h> + +#include <asm/psci.h> +#include <asm/smp_plat.h> + +/* + * psci_smp assumes that the following is true about PSCI: + * + * cpu_suspend Suspend the execution on a CPU + * @state we don't currently describe affinity levels, so just pass 0. + * @entry_point the first instruction to be executed on return + * returns 0 success, < 0 on failure + * + * cpu_off Power down a CPU + * @state we don't currently describe affinity levels, so just pass 0. + * no return on successful call + * + * cpu_on Power up a CPU + * @cpuid cpuid of target CPU, as from MPIDR + * @entry_point the first instruction to be executed on return + * returns 0 success, < 0 on failure + * + * migrate Migrate the context to a different CPU + * @cpuid cpuid of target CPU, as from MPIDR + * returns 0 success, < 0 on failure + * + */ + +extern void secondary_startup(void); + +static int __cpuinit psci_boot_secondary(unsigned int cpu, + struct task_struct *idle) +{ + if (psci_ops.cpu_on) + return psci_ops.cpu_on(cpu_logical_map(cpu), + __pa(secondary_startup)); + return -ENODEV; +} + +#ifdef CONFIG_HOTPLUG_CPU +void __ref psci_cpu_die(unsigned int cpu) +{ + const struct psci_power_state ps = { + .type = PSCI_POWER_STATE_TYPE_POWER_DOWN, + }; + + if (psci_ops.cpu_off) + psci_ops.cpu_off(ps); + + /* We should never return */ + panic("psci: cpu %d failed to shutdown\n", cpu); +} +#else +#define psci_cpu_die NULL +#endif + +bool __init psci_smp_available(void) +{ + /* is cpu_on available at least? */ + return (psci_ops.cpu_on != NULL); +} + +struct smp_operations __initdata psci_smp_ops = { + .smp_boot_secondary = psci_boot_secondary, + .cpu_die = psci_cpu_die, +}; diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 1522c7ae31b0..a1a2fbaaa31c 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -37,6 +37,7 @@ #include <asm/cputype.h> #include <asm/elf.h> #include <asm/procinfo.h> +#include <asm/psci.h> #include <asm/sections.h> #include <asm/setup.h> #include <asm/smp_plat.h> @@ -128,7 +129,9 @@ struct stack { u32 und[3]; } ____cacheline_aligned; +#ifndef CONFIG_CPU_V7M static struct stack stacks[NR_CPUS]; +#endif char elf_platform[ELF_PLATFORM_SIZE]; EXPORT_SYMBOL(elf_platform); @@ -207,7 +210,7 @@ static const char *proc_arch[] = { "5TEJ", "6TEJ", "7", - "?(11)", + "7M", "?(12)", "?(13)", "?(14)", @@ -216,6 +219,12 @@ static const char *proc_arch[] = { "?(17)", }; +#ifdef CONFIG_CPU_V7M +static int __get_cpu_architecture(void) +{ + return CPU_ARCH_ARMv7M; +} +#else static int __get_cpu_architecture(void) { int cpu_arch; @@ -248,6 +257,7 @@ static int __get_cpu_architecture(void) return cpu_arch; } +#endif int __pure cpu_architecture(void) { @@ -293,7 +303,9 @@ static void __init cacheid_init(void) { unsigned int arch = cpu_architecture(); - if (arch >= CPU_ARCH_ARMv6) { + if (arch == CPU_ARCH_ARMv7M) { + cacheid = 0; + } else if (arch >= CPU_ARCH_ARMv6) { unsigned int cachetype = read_cpuid_cachetype(); if ((cachetype & (7 << 29)) == 4 << 29) { /* ARMv7 register format */ @@ -392,6 +404,7 @@ static void __init feat_v6_fixup(void) */ void notrace cpu_init(void) { +#ifndef CONFIG_CPU_V7M unsigned int cpu = smp_processor_id(); struct stack *stk = &stacks[cpu]; @@ -442,6 +455,7 @@ void notrace cpu_init(void) "I" (offsetof(struct stack, und[0])), PLC (PSR_F_BIT | PSR_I_BIT | SVC_MODE) : "r14"); +#endif } int __cpu_logical_map[NR_CPUS]; @@ -796,9 +810,15 @@ void __init setup_arch(char **cmdline_p) unflatten_device_tree(); arm_dt_init_cpu_maps(); + psci_init(); #ifdef CONFIG_SMP if (is_smp()) { - smp_set_ops(mdesc->smp); + if (!mdesc->smp_init || !mdesc->smp_init()) { + if (psci_smp_available()) + smp_set_ops(&psci_smp_ops); + else if (mdesc->smp) + smp_set_ops(mdesc->smp); + } smp_init_cpus(); } #endif diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 47ab90563bf4..550d63cef68e 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -251,7 +251,7 @@ void __ref cpu_die(void) * this returns, power and/or clocks can be removed at any point * from this CPU and its cache by platform_cpu_kill(). */ - RCU_NONIDLE(complete(&cpu_died)); + complete(&cpu_died); /* * Ensure that the cache lines associated with that completion are diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 18b32e8e4497..486e12a0f26a 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -812,6 +812,7 @@ static void __init kuser_get_tls_init(unsigned long vectors) void __init early_trap_init(void *vectors_base) { +#ifndef CONFIG_CPU_V7M unsigned long vectors = (unsigned long)vectors_base; extern char __stubs_start[], __stubs_end[]; extern char __vectors_start[], __vectors_end[]; @@ -843,4 +844,11 @@ void __init early_trap_init(void *vectors_base) flush_icache_range(vectors, vectors + PAGE_SIZE); modify_domain(DOMAIN_USER, DOMAIN_CLIENT); +#else /* ifndef CONFIG_CPU_V7M */ + /* + * on V7-M there is no need to copy the vector table to a dedicated + * memory area. The address is configurable and so a table in the kernel + * image can be used. + */ +#endif } diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index 2acdff4c1dfe..180b3024bec3 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -174,6 +174,7 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev) static struct clock_event_device clkevt = { .name = "at91_tick", .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .shift = 32, .rating = 150, .set_next_event = clkevt32k_next_event, .set_mode = clkevt32k_mode, @@ -264,9 +265,11 @@ void __init at91rm9200_timer_init(void) at91_st_write(AT91_ST_RTMR, 1); /* Setup timer clockevent, with minimum of two ticks (important!!) */ + clkevt.mult = div_sc(AT91_SLOW_CLOCK, NSEC_PER_SEC, clkevt.shift); + clkevt.max_delta_ns = clockevent_delta2ns(AT91_ST_ALMV, &clkevt); + clkevt.min_delta_ns = clockevent_delta2ns(2, &clkevt) + 1; clkevt.cpumask = cpumask_of(0); - clockevents_config_and_register(&clkevt, AT91_SLOW_CLOCK, - 2, AT91_ST_ALMV); + clockevents_register_device(&clkevt); /* register clocksource */ clocksource_register_hz(&clk32k, AT91_SLOW_CLOCK); diff --git a/arch/arm/mach-at91/at91sam9n12.c b/arch/arm/mach-at91/at91sam9n12.c index 13cdbcd48f51..c7d670d11802 100644 --- a/arch/arm/mach-at91/at91sam9n12.c +++ b/arch/arm/mach-at91/at91sam9n12.c @@ -223,13 +223,7 @@ static void __init at91sam9n12_map_io(void) at91_init_sram(0, AT91SAM9N12_SRAM_BASE, AT91SAM9N12_SRAM_SIZE); } -void __init at91sam9n12_initialize(void) -{ - at91_extern_irq = (1 << AT91SAM9N12_ID_IRQ0); -} - AT91_SOC_START(at91sam9n12) .map_io = at91sam9n12_map_io, .register_clocks = at91sam9n12_register_clocks, - .init = at91sam9n12_initialize, AT91_SOC_END diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h index 31df12029c4e..2bd7f51b0b82 100644 --- a/arch/arm/mach-at91/include/mach/at91_pmc.h +++ b/arch/arm/mach-at91/include/mach/at91_pmc.h @@ -179,9 +179,9 @@ extern void __iomem *at91_pmc_base; #define AT91_PMC_PCR_CMD (0x1 << 12) /* Command (read=0, write=1) */ #define AT91_PMC_PCR_DIV(n) ((n) << 16) /* Divisor Value */ #define AT91_PMC_PCR_DIV0 0x0 /* Peripheral clock is MCK */ -#define AT91_PMC_PCR_DIV2 0x2 /* Peripheral clock is MCK/2 */ -#define AT91_PMC_PCR_DIV4 0x4 /* Peripheral clock is MCK/4 */ -#define AT91_PMC_PCR_DIV8 0x8 /* Peripheral clock is MCK/8 */ +#define AT91_PMC_PCR_DIV2 0x1 /* Peripheral clock is MCK/2 */ +#define AT91_PMC_PCR_DIV4 0x2 /* Peripheral clock is MCK/4 */ +#define AT91_PMC_PCR_DIV8 0x3 /* Peripheral clock is MCK/8 */ #define AT91_PMC_PCR_EN (0x1 << 28) /* Enable */ #endif diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig index 36469d813951..dff7b2fd4e20 100644 --- a/arch/arm/mach-dove/Kconfig +++ b/arch/arm/mach-dove/Kconfig @@ -22,8 +22,7 @@ config MACH_CM_A510 config MACH_DOVE_DT bool "Marvell Dove Flattened Device Tree" - select MVEBU_CLK_CORE - select MVEBU_CLK_GATING + select DOVE_CLK select REGULATOR select REGULATOR_FIXED_VOLTAGE select USE_OF diff --git a/arch/arm/mach-dove/board-dt.c b/arch/arm/mach-dove/board-dt.c index 0b142803b2e1..f3755ac81148 100644 --- a/arch/arm/mach-dove/board-dt.c +++ b/arch/arm/mach-dove/board-dt.c @@ -10,7 +10,6 @@ #include <linux/init.h> #include <linux/clk-provider.h> -#include <linux/clk/mvebu.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/platform_data/usb-ehci-orion.h> @@ -49,7 +48,7 @@ static void __init dove_legacy_clk_init(void) static void __init dove_of_clk_init(void) { - mvebu_clocks_init(); + of_clk_init(NULL); dove_legacy_clk_init(); } diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c index e2b5da031f96..2a9443d04d92 100644 --- a/arch/arm/mach-dove/common.c +++ b/arch/arm/mach-dove/common.c @@ -9,7 +9,6 @@ */ #include <linux/clk-provider.h> -#include <linux/clk/mvebu.h> #include <linux/dma-mapping.h> #include <linux/init.h> #include <linux/of.h> diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index 151259003086..dda9a2bd3acb 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -177,7 +177,8 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) static const char *step_sels[] = { "osc", "pll2_pfd2_396m", }; static const char *pll1_sw_sels[] = { "pll1_sys", "step", }; static const char *periph_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", }; -static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", }; +static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", "dummy", }; +static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "pll2_bus", }; static const char *periph_sels[] = { "periph_pre", "periph_clk2", }; static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", }; static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "pll3_pfd1_540m", }; @@ -185,7 +186,7 @@ static const char *audio_sels[] = { "pll4_post_div", "pll3_pfd2_508m", "pll3_pfd static const char *gpu_axi_sels[] = { "axi", "ahb", }; static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", }; static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", }; -static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd9_720m", }; +static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m", }; static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", }; static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", }; static const char *ipu_di_pre_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", }; @@ -369,8 +370,8 @@ int __init mx6q_clocks_init(void) clk[pll1_sw] = imx_clk_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels)); clk[periph_pre] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); clk[periph2_pre] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); - clk[periph_clk2_sel] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 1, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); - clk[periph2_clk2_sel] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); + clk[periph_clk2_sel] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); + clk[periph2_clk2_sel] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels)); clk[axi_sel] = imx_clk_mux("axi_sel", base + 0x14, 6, 2, axi_sels, ARRAY_SIZE(axi_sels)); clk[esai_sel] = imx_clk_mux("esai_sel", base + 0x20, 19, 2, audio_sels, ARRAY_SIZE(audio_sels)); clk[asrc_sel] = imx_clk_mux("asrc_sel", base + 0x30, 7, 2, audio_sels, ARRAY_SIZE(audio_sels)); @@ -498,7 +499,7 @@ int __init mx6q_clocks_init(void) clk[ldb_di1] = imx_clk_gate2("ldb_di1", "ldb_di1_podf", base + 0x74, 14); clk[ipu2_di1] = imx_clk_gate2("ipu2_di1", "ipu2_di1_sel", base + 0x74, 10); clk[hsi_tx] = imx_clk_gate2("hsi_tx", "hsi_tx_podf", base + 0x74, 16); - clk[mlb] = imx_clk_gate2("mlb", "pll8_mlb", base + 0x74, 18); + clk[mlb] = imx_clk_gate2("mlb", "axi", base + 0x74, 18); clk[mmdc_ch0_axi] = imx_clk_gate2("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20); clk[mmdc_ch1_axi] = imx_clk_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base + 0x74, 22); clk[ocram] = imx_clk_gate2("ocram", "ahb", base + 0x74, 28); diff --git a/arch/arm/mach-imx/headsmp.S b/arch/arm/mach-imx/headsmp.S index 67b9c48dcafe..627f16f0e9d1 100644 --- a/arch/arm/mach-imx/headsmp.S +++ b/arch/arm/mach-imx/headsmp.S @@ -18,8 +18,20 @@ .section ".text.head", "ax" #ifdef CONFIG_SMP +diag_reg_offset: + .word g_diag_reg - . + + .macro set_diag_reg + adr r0, diag_reg_offset + ldr r1, [r0] + add r1, r1, r0 @ r1 = physical &g_diag_reg + ldr r0, [r1] + mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register + .endm + ENTRY(v7_secondary_startup) bl v7_invalidate_l1 + set_diag_reg b secondary_startup ENDPROC(v7_secondary_startup) #endif diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c index 4a69305db65e..c6e1ab544882 100644 --- a/arch/arm/mach-imx/platsmp.c +++ b/arch/arm/mach-imx/platsmp.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/smp.h> +#include <asm/cacheflush.h> #include <asm/page.h> #include <asm/smp_scu.h> #include <asm/mach/map.h> @@ -21,6 +22,7 @@ #define SCU_STANDBY_ENABLE (1 << 5) +u32 g_diag_reg; static void __iomem *scu_base; static struct map_desc scu_io_desc __initdata = { @@ -80,6 +82,18 @@ void imx_smp_prepare(void) static void __init imx_smp_prepare_cpus(unsigned int max_cpus) { imx_smp_prepare(); + + /* + * The diagnostic register holds the errata bits. Mostly bootloader + * does not bring up secondary cores, so that when errata bits are set + * in bootloader, they are set only for boot cpu. But on a SMP + * configuration, it should be equally done on every single core. + * Read the register from boot cpu here, and will replicate it into + * secondary cores when booting them. + */ + asm("mrc p15, 0, %0, c15, c0, 1" : "=r" (g_diag_reg) : : "cc"); + __cpuc_flush_dcache_area(&g_diag_reg, sizeof(g_diag_reg)); + outer_clean_range(__pa(&g_diag_reg), __pa(&g_diag_reg + 1)); } struct smp_operations imx_smp_ops __initdata = { diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig index 7509a89af967..e610e137aa36 100644 --- a/arch/arm/mach-kirkwood/Kconfig +++ b/arch/arm/mach-kirkwood/Kconfig @@ -8,12 +8,6 @@ config MACH_D2NET_V2 Say 'Y' here if you want your kernel to support the LaCie d2 Network v2 NAS. -config MACH_DB88F6281_BP - bool "Marvell DB-88F6281-BP Development Board" - help - Say 'Y' here if you want your kernel to support the - Marvell DB-88F6281-BP Development Board. - config MACH_DOCKSTAR bool "Seagate FreeAgent DockStar" help @@ -134,13 +128,12 @@ comment "Device tree entries" config ARCH_KIRKWOOD_DT bool "Marvell Kirkwood Flattened Device Tree" + select KIRKWOOD_CLK select POWER_SUPPLY select POWER_RESET select POWER_RESET_GPIO select REGULATOR select REGULATOR_FIXED_VOLTAGE - select MVEBU_CLK_CORE - select MVEBU_CLK_GATING select USE_OF help Say 'Y' here if you want your kernel to support the @@ -153,6 +146,13 @@ config MACH_CLOUDBOX_DT Say 'Y' here if you want your kernel to support the LaCie CloudBox NAS, using Flattened Device Tree. +config MACH_DB88F628X_BP_DT + bool "Marvell DB-88F628x-BP Development Board (Flattened Device Tree)" + help + Say 'Y' here if you want your kernel to support the Marvell + DB-88F6281-BP and DB-88F6282-BP Development Board (Flattened + Device Tree). + config MACH_DLINK_KIRKWOOD_DT bool "D-Link Kirkwood-based NAS (Flattened Device Tree)" select ARCH_KIRKWOOD_DT @@ -272,14 +272,6 @@ config MACH_NETSPACE_V2_DT Say 'Y' here if you want your kernel to support the LaCie Network Space v2 NAS, using Flattened Device Tree. -config MACH_NSA310_DT - bool "ZyXEL NSA-310 (Flattened Device Tree)" - select ARCH_KIRKWOOD_DT - select ARM_ATAG_DTB_COMPAT - help - Say 'Y' here if you want your kernel to support the - ZyXEL NSA-310 board (Flattened Device Tree). - config MACH_OPENBLOCKS_A6_DT bool "Plat'Home OpenBlocks A6 (Flattened Device Tree)" select ARCH_KIRKWOOD_DT diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index e1f3735d3415..2fdc3a7ad226 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -1,7 +1,6 @@ obj-y += common.o irq.o pcie.o mpp.o obj-$(CONFIG_MACH_D2NET_V2) += d2net_v2-setup.o lacie_v2-common.o -obj-$(CONFIG_MACH_DB88F6281_BP) += db88f6281-bp-setup.o obj-$(CONFIG_MACH_DOCKSTAR) += dockstar-setup.o obj-$(CONFIG_MACH_ESATA_SHEEVAPLUG) += sheevaplug-setup.o obj-$(CONFIG_MACH_GURUPLUG) += guruplug-setup.o @@ -21,6 +20,7 @@ obj-$(CONFIG_MACH_TS41X) += ts41x-setup.o tsx1x-common.o obj-$(CONFIG_ARCH_KIRKWOOD_DT) += board-dt.o obj-$(CONFIG_MACH_CLOUDBOX_DT) += board-ns2.o +obj-$(CONFIG_MACH_DB88F628X_BP_DT) += board-db88f628x-bp.o obj-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += board-dnskw.o obj-$(CONFIG_MACH_DOCKSTAR_DT) += board-dockstar.o obj-$(CONFIG_MACH_DREAMPLUG_DT) += board-dreamplug.o @@ -37,7 +37,6 @@ obj-$(CONFIG_MACH_NETSPACE_LITE_V2_DT) += board-ns2.o obj-$(CONFIG_MACH_NETSPACE_MAX_V2_DT) += board-ns2.o obj-$(CONFIG_MACH_NETSPACE_MINI_V2_DT) += board-ns2.o obj-$(CONFIG_MACH_NETSPACE_V2_DT) += board-ns2.o -obj-$(CONFIG_MACH_NSA310_DT) += board-nsa310.o obj-$(CONFIG_MACH_OPENBLOCKS_A6_DT) += board-openblocks_a6.o obj-$(CONFIG_MACH_READYNAS_DT) += board-readynas.o obj-$(CONFIG_MACH_TOPKICK_DT) += board-usi_topkick.o diff --git a/arch/arm/mach-kirkwood/board-db88f628x-bp.c b/arch/arm/mach-kirkwood/board-db88f628x-bp.c new file mode 100644 index 000000000000..2f574bc8ed40 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-db88f628x-bp.c @@ -0,0 +1,24 @@ +/* + * Saeed Bishara <saeed@marvell.com> + * + * Marvell DB-88F628{1,2}-BP Development Board Setup + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/of.h> +#include <linux/mv643xx_eth.h> +#include "common.h" + +static struct mv643xx_eth_platform_data db88f628x_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +void __init db88f628x_init(void) +{ + kirkwood_ge00_init(&db88f628x_ge00_data); +} diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index e9647b80cb59..cee5dc71cb60 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -15,7 +15,6 @@ #include <linux/of.h> #include <linux/of_platform.h> #include <linux/clk-provider.h> -#include <linux/clk/mvebu.h> #include <linux/kexec.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -25,11 +24,6 @@ #include <plat/common.h> #include "common.h" -static struct of_device_id kirkwood_dt_match_table[] __initdata = { - { .compatible = "simple-bus", }, - { } -}; - /* * There are still devices that doesn't know about DT yet. Get clock * gates here and add a clock lookup alias, so that old platform @@ -77,7 +71,7 @@ static void __init kirkwood_legacy_clk_init(void) static void __init kirkwood_of_clk_init(void) { - mvebu_clocks_init(); + of_clk_init(NULL); kirkwood_legacy_clk_init(); } @@ -97,6 +91,8 @@ static void __init kirkwood_dt_init(void) kirkwood_l2_init(); + kirkwood_cpufreq_init(); + /* Setup root of clk tree */ kirkwood_of_clk_init(); @@ -147,6 +143,10 @@ static void __init kirkwood_dt_init(void) of_machine_is_compatible("lacie,netspace_v2")) ns2_init(); + if (of_machine_is_compatible("marvell,db-88f6281-bp") || + of_machine_is_compatible("marvell,db-88f6282-bp")) + db88f628x_init(); + if (of_machine_is_compatible("mpl,cec4")) mplcec4_init(); @@ -159,7 +159,7 @@ static void __init kirkwood_dt_init(void) if (of_machine_is_compatible("usi,topkick")) usi_topkick_init(); - of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } static const char * const kirkwood_dt_board_compat[] = { @@ -181,6 +181,8 @@ static const char * const kirkwood_dt_board_compat[] = { "lacie,netspace_max_v2", "lacie,netspace_mini_v2", "lacie,netspace_v2", + "marvell,db-88f6281-bp", + "marvell,db-88f6282-bp", "mpl,cec4", "netgear,readynas-duo-v2", "plathome,openblocks-a6", diff --git a/arch/arm/mach-kirkwood/board-iconnect.c b/arch/arm/mach-kirkwood/board-iconnect.c index c8ebde4919e2..98b5ad1bba90 100644 --- a/arch/arm/mach-kirkwood/board-iconnect.c +++ b/arch/arm/mach-kirkwood/board-iconnect.c @@ -22,11 +22,3 @@ void __init iconnect_init(void) { kirkwood_ge00_init(&iconnect_ge00_data); } - -static int __init iconnect_pci_init(void) -{ - if (of_machine_is_compatible("iom,iconnect")) - kirkwood_pcie_init(KW_PCIE0); - return 0; -} -subsys_initcall(iconnect_pci_init); diff --git a/arch/arm/mach-kirkwood/board-mplcec4.c b/arch/arm/mach-kirkwood/board-mplcec4.c index 7d6dc669e17f..938712e248f1 100644 --- a/arch/arm/mach-kirkwood/board-mplcec4.c +++ b/arch/arm/mach-kirkwood/board-mplcec4.c @@ -29,7 +29,6 @@ void __init mplcec4_init(void) */ kirkwood_ge00_init(&mplcec4_ge00_data); kirkwood_ge01_init(&mplcec4_ge01_data); - kirkwood_pcie_init(KW_PCIE0); } diff --git a/arch/arm/mach-kirkwood/board-nsa310.c b/arch/arm/mach-kirkwood/board-nsa310.c deleted file mode 100644 index 55ade93b93bf..000000000000 --- a/arch/arm/mach-kirkwood/board-nsa310.c +++ /dev/null @@ -1,25 +0,0 @@ -/* - * arch/arm/mach-kirkwood/nsa-310-setup.c - * - * ZyXEL NSA-310 Setup - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <mach/kirkwood.h> -#include <linux/of.h> -#include "common.h" - -static int __init nsa310_pci_init(void) -{ - if (of_machine_is_compatible("zyxel,nsa310")) - kirkwood_pcie_init(KW_PCIE0); - - return 0; -} - -subsys_initcall(nsa310_pci_init); diff --git a/arch/arm/mach-kirkwood/board-readynas.c b/arch/arm/mach-kirkwood/board-readynas.c index fb42c20e273f..341b82d9cadb 100644 --- a/arch/arm/mach-kirkwood/board-readynas.c +++ b/arch/arm/mach-kirkwood/board-readynas.c @@ -24,5 +24,4 @@ static struct mv643xx_eth_platform_data netgear_readynas_ge00_data = { void __init netgear_readynas_init(void) { kirkwood_ge00_init(&netgear_readynas_ge00_data); - kirkwood_pcie_init(KW_PCIE0); } diff --git a/arch/arm/mach-kirkwood/board-ts219.c b/arch/arm/mach-kirkwood/board-ts219.c index acb0187c7ee1..4695d5f35fc9 100644 --- a/arch/arm/mach-kirkwood/board-ts219.c +++ b/arch/arm/mach-kirkwood/board-ts219.c @@ -41,13 +41,3 @@ void __init qnap_dt_ts219_init(void) pm_power_off = qnap_tsx1x_power_off; } - -/* FIXME: Will not work with DT. Maybe use MPP40_GPIO? */ -static int __init ts219_pci_init(void) -{ - if (machine_is_ts219()) - kirkwood_pcie_init(KW_PCIE0); - - return 0; -} -subsys_initcall(ts219_pci_init); diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index c2cae69e6d2b..7c72c725b711 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -528,12 +528,6 @@ void __init kirkwood_init_early(void) { orion_time_set_base(TIMER_VIRT_BASE); - /* - * Some Kirkwood devices allocate their coherent buffers from atomic - * context. Increase size of atomic coherent pool to make sure such - * the allocations won't fail. - */ - init_dma_coherent_pool_size(SZ_1M); mvebu_mbus_init("marvell,kirkwood-mbus", BRIDGE_WINS_BASE, BRIDGE_WINS_SZ, DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ); @@ -604,6 +598,29 @@ void __init kirkwood_audio_init(void) } /***************************************************************************** + * CPU Frequency + ****************************************************************************/ +static struct resource kirkwood_cpufreq_resources[] = { + [0] = { + .start = CPU_CONTROL_PHYS, + .end = CPU_CONTROL_PHYS + 3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device kirkwood_cpufreq_device = { + .name = "kirkwood-cpufreq", + .id = -1, + .num_resources = ARRAY_SIZE(kirkwood_cpufreq_resources), + .resource = kirkwood_cpufreq_resources, +}; + +void __init kirkwood_cpufreq_init(void) +{ + platform_device_register(&kirkwood_cpufreq_device); +} + +/***************************************************************************** * General ****************************************************************************/ /* @@ -654,30 +671,6 @@ char * __init kirkwood_id(void) void __init kirkwood_setup_wins(void) { - /* - * The PCIe windows will no longer be statically allocated - * here once Kirkwood is migrated to the pci-mvebu driver. - */ - mvebu_mbus_add_window_remap_flags("pcie0.0", - KIRKWOOD_PCIE_IO_PHYS_BASE, - KIRKWOOD_PCIE_IO_SIZE, - KIRKWOOD_PCIE_IO_BUS_BASE, - MVEBU_MBUS_PCI_IO); - mvebu_mbus_add_window_remap_flags("pcie0.0", - KIRKWOOD_PCIE_MEM_PHYS_BASE, - KIRKWOOD_PCIE_MEM_SIZE, - MVEBU_MBUS_NO_REMAP, - MVEBU_MBUS_PCI_MEM); - mvebu_mbus_add_window_remap_flags("pcie1.0", - KIRKWOOD_PCIE1_IO_PHYS_BASE, - KIRKWOOD_PCIE1_IO_SIZE, - KIRKWOOD_PCIE1_IO_BUS_BASE, - MVEBU_MBUS_PCI_IO); - mvebu_mbus_add_window_remap_flags("pcie1.0", - KIRKWOOD_PCIE1_MEM_PHYS_BASE, - KIRKWOOD_PCIE1_MEM_SIZE, - MVEBU_MBUS_NO_REMAP, - MVEBU_MBUS_PCI_MEM); mvebu_mbus_add_window("nand", KIRKWOOD_NAND_MEM_PHYS_BASE, KIRKWOOD_NAND_MEM_SIZE); mvebu_mbus_add_window("sram", KIRKWOOD_SRAM_PHYS_BASE, diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 21da3b1ebd7b..e2e19b302c28 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -51,6 +51,8 @@ void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *)); void kirkwood_audio_init(void); void kirkwood_cpuidle_init(void); +void kirkwood_cpufreq_init(void); + void kirkwood_restart(char, const char *); void kirkwood_clk_init(void); @@ -119,6 +121,12 @@ void km_kirkwood_init(void); static inline void km_kirkwood_init(void) {}; #endif +#ifdef CONFIG_MACH_DB88F628X_BP_DT +void db88f628x_init(void); +#else +static inline void db88f628x_init(void) {}; +#endif + #ifdef CONFIG_MACH_MPLCEC4_DT void mplcec4_init(void); #else diff --git a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c deleted file mode 100644 index 5a369fe74754..000000000000 --- a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * arch/arm/mach-kirkwood/db88f6281-bp-setup.c - * - * Marvell DB-88F6281-BP Development Board Setup - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/sizes.h> -#include <linux/platform_device.h> -#include <linux/mtd/partitions.h> -#include <linux/ata_platform.h> -#include <linux/mv643xx_eth.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <mach/kirkwood.h> -#include <linux/platform_data/mmc-mvsdio.h> -#include "common.h" -#include "mpp.h" - -static struct mtd_partition db88f6281_nand_parts[] = { - { - .name = "u-boot", - .offset = 0, - .size = SZ_1M - }, { - .name = "uImage", - .offset = MTDPART_OFS_NXTBLK, - .size = SZ_4M - }, { - .name = "root", - .offset = MTDPART_OFS_NXTBLK, - .size = MTDPART_SIZ_FULL - }, -}; - -static struct mv643xx_eth_platform_data db88f6281_ge00_data = { - .phy_addr = MV643XX_ETH_PHY_ADDR(8), -}; - -static struct mv_sata_platform_data db88f6281_sata_data = { - .n_ports = 2, -}; - -static struct mvsdio_platform_data db88f6281_mvsdio_data = { - .gpio_write_protect = 37, - .gpio_card_detect = 38, -}; - -static unsigned int db88f6281_mpp_config[] __initdata = { - MPP0_NF_IO2, - MPP1_NF_IO3, - MPP2_NF_IO4, - MPP3_NF_IO5, - MPP4_NF_IO6, - MPP5_NF_IO7, - MPP18_NF_IO0, - MPP19_NF_IO1, - MPP37_GPIO, - MPP38_GPIO, - 0 -}; - -static void __init db88f6281_init(void) -{ - /* - * Basic setup. Needs to be called early. - */ - kirkwood_init(); - kirkwood_mpp_conf(db88f6281_mpp_config); - - kirkwood_nand_init(ARRAY_AND_SIZE(db88f6281_nand_parts), 25); - kirkwood_ehci_init(); - kirkwood_ge00_init(&db88f6281_ge00_data); - kirkwood_sata_init(&db88f6281_sata_data); - kirkwood_uart0_init(); - kirkwood_sdio_init(&db88f6281_mvsdio_data); -} - -static int __init db88f6281_pci_init(void) -{ - if (machine_is_db88f6281_bp()) { - u32 dev, rev; - - kirkwood_pcie_id(&dev, &rev); - if (dev == MV88F6282_DEV_ID) - kirkwood_pcie_init(KW_PCIE1 | KW_PCIE0); - else - kirkwood_pcie_init(KW_PCIE0); - } - return 0; -} -subsys_initcall(db88f6281_pci_init); - -MACHINE_START(DB88F6281_BP, "Marvell DB-88F6281-BP Development Board") - /* Maintainer: Saeed Bishara <saeed@marvell.com> */ - .atag_offset = 0x100, - .init_machine = db88f6281_init, - .map_io = kirkwood_map_io, - .init_early = kirkwood_init_early, - .init_irq = kirkwood_init_irq, - .init_time = kirkwood_timer_init, - .restart = kirkwood_restart, -MACHINE_END diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 5c82b7dce4e2..d4cbe5e81bb4 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h @@ -17,6 +17,7 @@ #define CPU_CONFIG_ERROR_PROP 0x00000004 #define CPU_CONTROL (BRIDGE_VIRT_BASE + 0x0104) +#define CPU_CONTROL_PHYS (BRIDGE_PHYS_BASE + 0x0104) #define CPU_RESET 0x00000002 #define RSTOUTn_MASK (BRIDGE_VIRT_BASE + 0x0108) @@ -69,6 +70,7 @@ #define CGC_RUNIT (1 << 7) #define CGC_XOR0 (1 << 8) #define CGC_AUDIO (1 << 9) +#define CGC_POWERSAVE (1 << 11) #define CGC_SATA0 (1 << 14) #define CGC_SATA1 (1 << 15) #define CGC_XOR1 (1 << 16) diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index 7f43e6c2f8c0..ddcb09f5bdd3 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -12,6 +12,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/clk.h> +#include <linux/mbus.h> #include <video/vga.h> #include <asm/irq.h> #include <asm/mach/pci.h> @@ -253,6 +254,27 @@ static void __init add_pcie_port(int index, void __iomem *base) void __init kirkwood_pcie_init(unsigned int portmask) { + mvebu_mbus_add_window_remap_flags("pcie0.0", + KIRKWOOD_PCIE_IO_PHYS_BASE, + KIRKWOOD_PCIE_IO_SIZE, + KIRKWOOD_PCIE_IO_BUS_BASE, + MVEBU_MBUS_PCI_IO); + mvebu_mbus_add_window_remap_flags("pcie0.0", + KIRKWOOD_PCIE_MEM_PHYS_BASE, + KIRKWOOD_PCIE_MEM_SIZE, + MVEBU_MBUS_NO_REMAP, + MVEBU_MBUS_PCI_MEM); + mvebu_mbus_add_window_remap_flags("pcie1.0", + KIRKWOOD_PCIE1_IO_PHYS_BASE, + KIRKWOOD_PCIE1_IO_SIZE, + KIRKWOOD_PCIE1_IO_BUS_BASE, + MVEBU_MBUS_PCI_IO); + mvebu_mbus_add_window_remap_flags("pcie1.0", + KIRKWOOD_PCIE1_MEM_PHYS_BASE, + KIRKWOOD_PCIE1_MEM_SIZE, + MVEBU_MBUS_NO_REMAP, + MVEBU_MBUS_PCI_MEM); + vga_base = KIRKWOOD_PCIE_MEM_PHYS_BASE; if (portmask & KW_PCIE0) diff --git a/arch/arm/mach-kirkwood/ts219-setup.c b/arch/arm/mach-kirkwood/ts219-setup.c index 283abff90228..e1267d6b468f 100644 --- a/arch/arm/mach-kirkwood/ts219-setup.c +++ b/arch/arm/mach-kirkwood/ts219-setup.c @@ -124,7 +124,7 @@ static void __init qnap_ts219_init(void) static int __init ts219_pci_init(void) { if (machine_is_ts219()) - kirkwood_pcie_init(KW_PCIE0); + kirkwood_pcie_init(KW_PCIE1 | KW_PCIE0); return 0; } diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig index e11acbb0a46d..9eb63d724602 100644 --- a/arch/arm/mach-mvebu/Kconfig +++ b/arch/arm/mach-mvebu/Kconfig @@ -10,11 +10,11 @@ config ARCH_MVEBU select PLAT_ORION select SPARSE_IRQ select CLKDEV_LOOKUP - select MVEBU_CLK_CORE - select MVEBU_CLK_CPU - select MVEBU_CLK_GATING select MVEBU_MBUS select ZONE_DMA if ARM_LPAE + select ARCH_REQUIRE_GPIOLIB + select MIGHT_HAVE_PCI + select PCI_QUIRKS if PCI if ARCH_MVEBU @@ -29,6 +29,7 @@ config MACH_ARMADA_370_XP config MACH_ARMADA_370 bool "Marvell Armada 370 boards" + select ARMADA_370_CLK select MACH_ARMADA_370_XP select PINCTRL_ARMADA_370 help @@ -37,6 +38,7 @@ config MACH_ARMADA_370 config MACH_ARMADA_XP bool "Marvell Armada XP boards" + select ARMADA_XP_CLK select MACH_ARMADA_370_XP select PINCTRL_ARMADA_XP help diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c index 42a4cb3087e2..ebbc99739726 100644 --- a/arch/arm/mach-mvebu/armada-370-xp.c +++ b/arch/arm/mach-mvebu/armada-370-xp.c @@ -14,10 +14,10 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/clk-provider.h> #include <linux/of_platform.h> #include <linux/io.h> #include <linux/time-armada-370-xp.h> -#include <linux/clk/mvebu.h> #include <linux/dma-mapping.h> #include <linux/mbus.h> #include <linux/irqchip.h> @@ -45,7 +45,7 @@ void __init armada_370_xp_map_io(void) void __init armada_370_xp_timer_and_clk_init(void) { - mvebu_clocks_init(); + of_clk_init(NULL); armada_370_xp_timer_init(); } @@ -54,13 +54,6 @@ void __init armada_370_xp_init_early(void) char *mbus_soc_name; /* - * Some Armada 370/XP devices allocate their coherent buffers - * from atomic context. Increase size of atomic coherent pool - * to make sure such the allocations won't fail. - */ - init_dma_coherent_pool_size(SZ_1M); - - /* * This initialization will be replaced by a DT-based * initialization once the mvebu-mbus driver gains DT support. */ diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c index 68ab858e27b7..a94b3a718d1a 100644 --- a/arch/arm/mach-omap1/dma.c +++ b/arch/arm/mach-omap1/dma.c @@ -345,6 +345,7 @@ static int __init omap1_system_dma_init(void) dev_err(&pdev->dev, "%s: Memory allocation failed for d->chan!\n", __func__); + ret = -ENOMEM; goto exit_release_d; } diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c index 6ebc7803bc3e..af3544ce4f02 100644 --- a/arch/arm/mach-omap2/cclock33xx_data.c +++ b/arch/arm/mach-omap2/cclock33xx_data.c @@ -454,9 +454,29 @@ DEFINE_CLK_GATE(cefuse_fck, "sys_clkin_ck", &sys_clkin_ck, 0x0, */ DEFINE_CLK_FIXED_FACTOR(clkdiv32k_ck, "clk_24mhz", &clk_24mhz, 0x0, 1, 732); -DEFINE_CLK_GATE(clkdiv32k_ick, "clkdiv32k_ck", &clkdiv32k_ck, 0x0, - AM33XX_CM_PER_CLKDIV32K_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); +static struct clk clkdiv32k_ick; + +static const char *clkdiv32k_ick_parent_names[] = { + "clkdiv32k_ck", +}; + +static const struct clk_ops clkdiv32k_ick_ops = { + .enable = &omap2_dflt_clk_enable, + .disable = &omap2_dflt_clk_disable, + .is_enabled = &omap2_dflt_clk_is_enabled, + .init = &omap2_init_clk_clkdm, +}; + +static struct clk_hw_omap clkdiv32k_ick_hw = { + .hw = { + .clk = &clkdiv32k_ick, + }, + .enable_reg = AM33XX_CM_PER_CLKDIV32K_CLKCTRL, + .enable_bit = AM33XX_MODULEMODE_SWCTRL_SHIFT, + .clkdm_name = "clk_24mhz_clkdm", +}; + +DEFINE_STRUCT_CLK(clkdiv32k_ick, clkdiv32k_ick_parent_names, clkdiv32k_ick_ops); /* "usbotg_fck" is an additional clock and not really a modulemode */ DEFINE_CLK_GATE(usbotg_fck, "dpll_per_ck", &dpll_per_ck, 0x0, diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index d25a95fe9921..7341eff63f56 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1356,13 +1356,27 @@ static void _enable_sysc(struct omap_hwmod *oh) clkdm = _get_clkdm(oh); if (sf & SYSC_HAS_SIDLEMODE) { + if (oh->flags & HWMOD_SWSUP_SIDLE || + oh->flags & HWMOD_SWSUP_SIDLE_ACT) { + idlemode = HWMOD_IDLEMODE_NO; + } else { + if (sf & SYSC_HAS_ENAWAKEUP) + _enable_wakeup(oh, &v); + if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) + idlemode = HWMOD_IDLEMODE_SMART_WKUP; + else + idlemode = HWMOD_IDLEMODE_SMART; + } + + /* + * This is special handling for some IPs like + * 32k sync timer. Force them to idle! + */ clkdm_act = (clkdm && clkdm->flags & CLKDM_ACTIVE_WITH_MPU); if (clkdm_act && !(oh->class->sysc->idlemodes & (SIDLE_SMART | SIDLE_SMART_WKUP))) idlemode = HWMOD_IDLEMODE_FORCE; - else - idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ? - HWMOD_IDLEMODE_NO : HWMOD_IDLEMODE_SMART; + _set_slave_idlemode(oh, idlemode, &v); } @@ -1391,10 +1405,6 @@ static void _enable_sysc(struct omap_hwmod *oh) (sf & SYSC_HAS_CLOCKACTIVITY)) _set_clockactivity(oh, oh->class->sysc->clockact, &v); - /* If slave is in SMARTIDLE, also enable wakeup */ - if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE)) - _enable_wakeup(oh, &v); - _write_sysconfig(v, oh); /* @@ -1430,13 +1440,16 @@ static void _idle_sysc(struct omap_hwmod *oh) sf = oh->class->sysc->sysc_flags; if (sf & SYSC_HAS_SIDLEMODE) { - /* XXX What about HWMOD_IDLEMODE_SMART_WKUP? */ - if (oh->flags & HWMOD_SWSUP_SIDLE || - !(oh->class->sysc->idlemodes & - (SIDLE_SMART | SIDLE_SMART_WKUP))) + if (oh->flags & HWMOD_SWSUP_SIDLE) { idlemode = HWMOD_IDLEMODE_FORCE; - else - idlemode = HWMOD_IDLEMODE_SMART; + } else { + if (sf & SYSC_HAS_ENAWAKEUP) + _enable_wakeup(oh, &v); + if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) + idlemode = HWMOD_IDLEMODE_SMART_WKUP; + else + idlemode = HWMOD_IDLEMODE_SMART; + } _set_slave_idlemode(oh, idlemode, &v); } @@ -1455,10 +1468,6 @@ static void _idle_sysc(struct omap_hwmod *oh) _set_master_standbymode(oh, idlemode, &v); } - /* If slave is in SMARTIDLE, also enable wakeup */ - if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE)) - _enable_wakeup(oh, &v); - _write_sysconfig(v, oh); } @@ -2065,7 +2074,7 @@ static int _omap4_get_context_lost(struct omap_hwmod *oh) * do so is present in the hwmod data, then call it and pass along the * return value; otherwise, return 0. */ -static int __init _enable_preprogram(struct omap_hwmod *oh) +static int _enable_preprogram(struct omap_hwmod *oh) { if (!oh->class->enable_preprogram) return 0; @@ -2246,42 +2255,6 @@ static int _idle(struct omap_hwmod *oh) } /** - * omap_hwmod_set_ocp_autoidle - set the hwmod's OCP autoidle bit - * @oh: struct omap_hwmod * - * @autoidle: desired AUTOIDLE bitfield value (0 or 1) - * - * Sets the IP block's OCP autoidle bit in hardware, and updates our - * local copy. Intended to be used by drivers that require - * direct manipulation of the AUTOIDLE bits. - * Returns -EINVAL if @oh is null or is not in the ENABLED state, or passes - * along the return value from _set_module_autoidle(). - * - * Any users of this function should be scrutinized carefully. - */ -int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle) -{ - u32 v; - int retval = 0; - unsigned long flags; - - if (!oh || oh->_state != _HWMOD_STATE_ENABLED) - return -EINVAL; - - spin_lock_irqsave(&oh->_lock, flags); - - v = oh->_sysc_cache; - - retval = _set_module_autoidle(oh, autoidle, &v); - - if (!retval) - _write_sysconfig(v, oh); - - spin_unlock_irqrestore(&oh->_lock, flags); - - return retval; -} - -/** * _shutdown - shutdown an omap_hwmod * @oh: struct omap_hwmod * * @@ -3180,38 +3153,6 @@ error: } /** - * omap_hwmod_set_slave_idlemode - set the hwmod's OCP slave idlemode - * @oh: struct omap_hwmod * - * @idlemode: SIDLEMODE field bits (shifted to bit 0) - * - * Sets the IP block's OCP slave idlemode in hardware, and updates our - * local copy. Intended to be used by drivers that have some erratum - * that requires direct manipulation of the SIDLEMODE bits. Returns - * -EINVAL if @oh is null, or passes along the return value from - * _set_slave_idlemode(). - * - * XXX Does this function have any current users? If not, we should - * remove it; it is better to let the rest of the hwmod code handle this. - * Any users of this function should be scrutinized carefully. - */ -int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode) -{ - u32 v; - int retval = 0; - - if (!oh) - return -EINVAL; - - v = oh->_sysc_cache; - - retval = _set_slave_idlemode(oh, idlemode, &v); - if (!retval) - _write_sysconfig(v, oh); - - return retval; -} - -/** * omap_hwmod_lookup - look up a registered omap_hwmod by name * @name: name of the omap_hwmod to look up * diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index fe5962921f07..0c898f58ac9b 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -463,6 +463,9 @@ struct omap_hwmod_omap4_prcm { * is kept in force-standby mode. Failing to do so causes PM problems * with musb on OMAP3630 at least. Note that musb has a dedicated register * to control MSTANDBY signal when MIDLEMODE is set to force-standby. + * HWMOD_SWSUP_SIDLE_ACT: omap_hwmod code should manually bring the module + * out of idle, but rely on smart-idle to the put it back in idle, + * so the wakeups are still functional (Only known case for now is UART) */ #define HWMOD_SWSUP_SIDLE (1 << 0) #define HWMOD_SWSUP_MSTANDBY (1 << 1) @@ -476,6 +479,7 @@ struct omap_hwmod_omap4_prcm { #define HWMOD_EXT_OPT_MAIN_CLK (1 << 9) #define HWMOD_BLOCK_WFI (1 << 10) #define HWMOD_FORCE_MSTANDBY (1 << 11) +#define HWMOD_SWSUP_SIDLE_ACT (1 << 12) /* * omap_hwmod._int_flags definitions @@ -641,9 +645,6 @@ int omap_hwmod_read_hardreset(struct omap_hwmod *oh, const char *name); int omap_hwmod_enable_clocks(struct omap_hwmod *oh); int omap_hwmod_disable_clocks(struct omap_hwmod *oh); -int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode); -int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle); - int omap_hwmod_reset(struct omap_hwmod *oh); void omap_hwmod_ocp_barrier(struct omap_hwmod *oh); diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c index c8c64b3e1acc..d05fc7b54567 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c @@ -512,6 +512,7 @@ struct omap_hwmod omap2xxx_uart1_hwmod = { .mpu_irqs = omap2_uart1_mpu_irqs, .sdma_reqs = omap2_uart1_sdma_reqs, .main_clk = "uart1_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -531,6 +532,7 @@ struct omap_hwmod omap2xxx_uart2_hwmod = { .mpu_irqs = omap2_uart2_mpu_irqs, .sdma_reqs = omap2_uart2_sdma_reqs, .main_clk = "uart2_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -550,6 +552,7 @@ struct omap_hwmod omap2xxx_uart3_hwmod = { .mpu_irqs = omap2_uart3_mpu_irqs, .sdma_reqs = omap2_uart3_sdma_reqs, .main_clk = "uart3_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c index 01d8f324450a..075f7cc51026 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c @@ -1995,6 +1995,7 @@ static struct omap_hwmod am33xx_uart1_hwmod = { .name = "uart1", .class = &uart_class, .clkdm_name = "l4_wkup_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart1_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_wkupdm_ck", @@ -2015,6 +2016,7 @@ static struct omap_hwmod am33xx_uart2_hwmod = { .name = "uart2", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart2_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", @@ -2042,6 +2044,7 @@ static struct omap_hwmod am33xx_uart3_hwmod = { .name = "uart3", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart3_irqs, .sdma_reqs = uart3_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", @@ -2062,6 +2065,7 @@ static struct omap_hwmod am33xx_uart4_hwmod = { .name = "uart4", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart4_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", @@ -2082,6 +2086,7 @@ static struct omap_hwmod am33xx_uart5_hwmod = { .name = "uart5", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart5_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", @@ -2102,6 +2107,7 @@ static struct omap_hwmod am33xx_uart6_hwmod = { .name = "uart6", .class = &uart_class, .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart6_irqs, .sdma_reqs = uart1_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 4083606ea1da..31c7126eb3bb 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -490,6 +490,7 @@ static struct omap_hwmod omap3xxx_uart1_hwmod = { .mpu_irqs = omap2_uart1_mpu_irqs, .sdma_reqs = omap2_uart1_sdma_reqs, .main_clk = "uart1_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -508,6 +509,7 @@ static struct omap_hwmod omap3xxx_uart2_hwmod = { .mpu_irqs = omap2_uart2_mpu_irqs, .sdma_reqs = omap2_uart2_sdma_reqs, .main_clk = "uart2_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -526,6 +528,7 @@ static struct omap_hwmod omap3xxx_uart3_hwmod = { .mpu_irqs = omap2_uart3_mpu_irqs, .sdma_reqs = omap2_uart3_sdma_reqs, .main_clk = "uart3_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, @@ -555,6 +558,7 @@ static struct omap_hwmod omap36xx_uart4_hwmod = { .mpu_irqs = uart4_mpu_irqs, .sdma_reqs = uart4_sdma_reqs, .main_clk = "uart4_fck", + .flags = HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index eaba9dc91a0d..848b6dc67590 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -3434,6 +3434,7 @@ static struct omap_hwmod omap44xx_uart1_hwmod = { .name = "uart1", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = omap44xx_uart1_irqs, .sdma_reqs = omap44xx_uart1_sdma_reqs, .main_clk = "func_48m_fclk", @@ -3462,6 +3463,7 @@ static struct omap_hwmod omap44xx_uart2_hwmod = { .name = "uart2", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = omap44xx_uart2_irqs, .sdma_reqs = omap44xx_uart2_sdma_reqs, .main_clk = "func_48m_fclk", @@ -3490,7 +3492,8 @@ static struct omap_hwmod omap44xx_uart3_hwmod = { .name = "uart3", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET | + HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = omap44xx_uart3_irqs, .sdma_reqs = omap44xx_uart3_sdma_reqs, .main_clk = "func_48m_fclk", @@ -3519,6 +3522,7 @@ static struct omap_hwmod omap44xx_uart4_hwmod = { .name = "uart4", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", + .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = omap44xx_uart4_irqs, .sdma_reqs = omap44xx_uart4_sdma_reqs, .main_clk = "func_48m_fclk", diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 8396b5b7e912..f6601563aa69 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -95,38 +95,9 @@ static void omap_uart_enable_wakeup(struct device *dev, bool enable) omap_hwmod_disable_wakeup(od->hwmods[0]); } -/* - * Errata i291: [UART]:Cannot Acknowledge Idle Requests - * in Smartidle Mode When Configured for DMA Operations. - * WA: configure uart in force idle mode. - */ -static void omap_uart_set_noidle(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct omap_device *od = to_omap_device(pdev); - - omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_NO); -} - -static void omap_uart_set_smartidle(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct omap_device *od = to_omap_device(pdev); - u8 idlemode; - - if (od->hwmods[0]->class->sysc->idlemodes & SIDLE_SMART_WKUP) - idlemode = HWMOD_IDLEMODE_SMART_WKUP; - else - idlemode = HWMOD_IDLEMODE_SMART; - - omap_hwmod_set_slave_idlemode(od->hwmods[0], idlemode); -} - #else static void omap_uart_enable_wakeup(struct device *dev, bool enable) {} -static void omap_uart_set_noidle(struct device *dev) {} -static void omap_uart_set_smartidle(struct device *dev) {} #endif /* CONFIG_PM */ #ifdef CONFIG_OMAP_MUX @@ -299,8 +270,6 @@ void __init omap_serial_init_port(struct omap_board_data *bdata, omap_up.uartclk = OMAP24XX_BASE_BAUD * 16; omap_up.flags = UPF_BOOT_AUTOCONF; omap_up.get_context_loss_count = omap_pm_get_dev_context_loss_count; - omap_up.set_forceidle = omap_uart_set_smartidle; - omap_up.set_noidle = omap_uart_set_noidle; omap_up.enable_wakeup = omap_uart_enable_wakeup; omap_up.dma_rx_buf_size = info->dma_rx_buf_size; omap_up.dma_rx_timeout = info->dma_rx_timeout; diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index b97fd672e89d..f8a6db9239bf 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -199,13 +199,6 @@ void __init orion5x_init_early(void) orion_time_set_base(TIMER_VIRT_BASE); - /* - * Some Orion5x devices allocate their coherent buffers from atomic - * context. Increase size of atomic coherent pool to make sure such - * the allocations won't fail. - */ - init_dma_coherent_pool_size(SZ_1M); - /* Initialize the MBUS driver */ orion5x_pcie_id(&dev, &rev); if (dev == MV88F5281_DEV_ID) diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index f871f2a65e73..5414402938a5 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -37,6 +37,7 @@ config ARCH_R8A7740 config ARCH_R8A7778 bool "R-Car M1A (R8A77781)" + select ARCH_WANT_OPTIONAL_GPIOLIB select CPU_V7 select SH_CLK_CPG select ARM_GIC diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 45f78cadec1d..297bf5eec5ab 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -1026,10 +1026,8 @@ out: /* TouchScreen */ #ifdef CONFIG_AP4EVB_QHD -# define GPIO_TSC_IRQ GPIO_FN_IRQ28_123 # define GPIO_TSC_PORT 123 #else /* WVGA */ -# define GPIO_TSC_IRQ GPIO_FN_IRQ7_40 # define GPIO_TSC_PORT 40 #endif @@ -1037,22 +1035,12 @@ out: #define IRQ7 evt2irq(0x02e0) /* IRQ7A */ static int ts_get_pendown_state(void) { - int val; - - gpio_free(GPIO_TSC_IRQ); - - gpio_request_one(GPIO_TSC_PORT, GPIOF_IN, NULL); - - val = gpio_get_value(GPIO_TSC_PORT); - - gpio_request(GPIO_TSC_IRQ, NULL); - - return !val; + return !gpio_get_value(GPIO_TSC_PORT); } static int ts_init(void) { - gpio_request(GPIO_TSC_IRQ, NULL); + gpio_request_one(GPIO_TSC_PORT, GPIOF_IN, NULL); return 0; } @@ -1086,11 +1074,42 @@ static struct i2c_board_info i2c1_devices[] = { static const struct pinctrl_map ap4evb_pinctrl_map[] = { + /* CEU */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-sh7372", + "ceu_clk_0", "ceu"), + /* FSIA (AK4643) */ + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-sh7372", + "fsia_sclk_in", "fsia"), + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-sh7372", + "fsia_data_in", "fsia"), + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-sh7372", + "fsia_data_out", "fsia"), + /* FSIB (HDMI) */ + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-sh7372", + "fsib_mclk_in", "fsib"), + /* HDMI */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-sh7372", + "hdmi", "hdmi"), + /* KEYSC */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_keysc", "pfc-sh7372", + "keysc_in04_0", "keysc"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_keysc", "pfc-sh7372", + "keysc_out5", "keysc"), +#ifndef CONFIG_AP4EVB_QHD + /* LCDC */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-sh7372", + "lcd_data18", "lcd"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-sh7372", + "lcd_sync", "lcd"), +#endif /* MMCIF */ PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-sh7372", "mmc0_data8_0", "mmc0"), PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-sh7372", "mmc0_ctrl_0", "mmc0"), + /* SCIFA0 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-sh7372", + "scifa0_data", "scifa0"), /* SDHI0 */ PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh7372", "sdhi0_data4", "sdhi0"), @@ -1105,6 +1124,26 @@ static const struct pinctrl_map ap4evb_pinctrl_map[] = { "sdhi1_data4", "sdhi1"), PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-sh7372", "sdhi1_ctrl", "sdhi1"), + /* SMSC911X */ + PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-sh7372", + "bsc_cs5a", "bsc"), + PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-sh7372", + "intc_irq6_0", "intc"), + /* TSC2007 */ +#ifdef CONFIG_AP4EVB_QHD + PIN_MAP_MUX_GROUP_DEFAULT("1-0048", "pfc-sh7372", + "intc_irq28_0", "intc"), +#else /* WVGA */ + PIN_MAP_MUX_GROUP_DEFAULT("1-0048", "pfc-sh7372", + "intc_irq7_0", "intc"), +#endif + /* USBHS1 */ + PIN_MAP_MUX_GROUP_DEFAULT("r8a66597_hcd.1", "pfc-sh7372", + "usb1_vbus", "usb1"), + PIN_MAP_MUX_GROUP_DEFAULT("r8a66597_hcd.1", "pfc-sh7372", + "usb1_otg_id_0", "usb1"), + PIN_MAP_MUX_GROUP_DEFAULT("r8a66597_hcd.1", "pfc-sh7372", + "usb1_otg_ctrl_0", "usb1"), }; #define GPIO_PORT9CR IOMEM(0xE6051009) @@ -1137,36 +1176,16 @@ static void __init ap4evb_init(void) ARRAY_SIZE(ap4evb_pinctrl_map)); sh7372_pinmux_init(); - /* enable SCIFA0 */ - gpio_request(GPIO_FN_SCIFA0_TXD, NULL); - gpio_request(GPIO_FN_SCIFA0_RXD, NULL); - - /* enable SMSC911X */ - gpio_request(GPIO_FN_CS5A, NULL); - gpio_request(GPIO_FN_IRQ6_39, NULL); - /* enable Debug switch (S6) */ gpio_request_one(32, GPIOF_IN | GPIOF_EXPORT, NULL); gpio_request_one(33, GPIOF_IN | GPIOF_EXPORT, NULL); gpio_request_one(34, GPIOF_IN | GPIOF_EXPORT, NULL); gpio_request_one(35, GPIOF_IN | GPIOF_EXPORT, NULL); - /* USB enable */ - gpio_request(GPIO_FN_VBUS0_1, NULL); - gpio_request(GPIO_FN_IDIN_1_18, NULL); - gpio_request(GPIO_FN_PWEN_1_115, NULL); - gpio_request(GPIO_FN_OVCN_1_114, NULL); - gpio_request(GPIO_FN_EXTLP_1, NULL); - gpio_request(GPIO_FN_OVCN2_1, NULL); - /* setup USB phy */ __raw_writew(0x8a0a, IOMEM(0xE6058130)); /* USBCR4 */ - /* enable FSI2 port A (ak4643) */ - gpio_request(GPIO_FN_FSIAIBT, NULL); - gpio_request(GPIO_FN_FSIAILR, NULL); - gpio_request(GPIO_FN_FSIAISLD, NULL); - gpio_request(GPIO_FN_FSIAOSLD, NULL); + /* FSI2 port A (ak4643) */ gpio_request_one(161, GPIOF_OUT_INIT_LOW, NULL); /* slave */ gpio_request(9, NULL); @@ -1177,8 +1196,7 @@ static void __init ap4evb_init(void) /* card detect pin for MMC slot (CN7) */ gpio_request_one(41, GPIOF_IN, NULL); - /* setup FSI2 port B (HDMI) */ - gpio_request(GPIO_FN_FSIBCK, NULL); + /* FSI2 port B (HDMI) */ __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */ /* set SPU2 clock to 119.6 MHz */ @@ -1208,18 +1226,6 @@ static void __init ap4evb_init(void) * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON. */ - /* enable KEYSC */ - gpio_request(GPIO_FN_KEYOUT0, NULL); - gpio_request(GPIO_FN_KEYOUT1, NULL); - gpio_request(GPIO_FN_KEYOUT2, NULL); - gpio_request(GPIO_FN_KEYOUT3, NULL); - gpio_request(GPIO_FN_KEYOUT4, NULL); - gpio_request(GPIO_FN_KEYIN0_136, NULL); - gpio_request(GPIO_FN_KEYIN1_135, NULL); - gpio_request(GPIO_FN_KEYIN2_134, NULL); - gpio_request(GPIO_FN_KEYIN3_133, NULL); - gpio_request(GPIO_FN_KEYIN4, NULL); - /* enable TouchScreen */ irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW); @@ -1241,28 +1247,6 @@ static void __init ap4evb_init(void) * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF. */ - - gpio_request(GPIO_FN_LCDD17, NULL); - gpio_request(GPIO_FN_LCDD16, NULL); - gpio_request(GPIO_FN_LCDD15, NULL); - gpio_request(GPIO_FN_LCDD14, NULL); - gpio_request(GPIO_FN_LCDD13, NULL); - gpio_request(GPIO_FN_LCDD12, NULL); - gpio_request(GPIO_FN_LCDD11, NULL); - gpio_request(GPIO_FN_LCDD10, NULL); - gpio_request(GPIO_FN_LCDD9, NULL); - gpio_request(GPIO_FN_LCDD8, NULL); - gpio_request(GPIO_FN_LCDD7, NULL); - gpio_request(GPIO_FN_LCDD6, NULL); - gpio_request(GPIO_FN_LCDD5, NULL); - gpio_request(GPIO_FN_LCDD4, NULL); - gpio_request(GPIO_FN_LCDD3, NULL); - gpio_request(GPIO_FN_LCDD2, NULL); - gpio_request(GPIO_FN_LCDD1, NULL); - gpio_request(GPIO_FN_LCDD0, NULL); - gpio_request(GPIO_FN_LCDDISP, NULL); - gpio_request(GPIO_FN_LCDDCK, NULL); - gpio_request_one(189, GPIOF_OUT_INIT_HIGH, NULL); /* backlight */ gpio_request_one(151, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */ @@ -1288,8 +1272,6 @@ static void __init ap4evb_init(void) */ /* MIPI-CSI stuff */ - gpio_request(GPIO_FN_VIO_CKO, NULL); - clk = clk_get(NULL, "vck1_clk"); if (!IS_ERR(clk)) { clk_set_rate(clk, clk_round_rate(clk, 13000000)); @@ -1299,10 +1281,6 @@ static void __init ap4evb_init(void) sh7372_add_standard_devices(); - /* HDMI */ - gpio_request(GPIO_FN_HDMI_HPD, NULL); - gpio_request(GPIO_FN_HDMI_CEC, NULL); - /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */ #define SRCR4 IOMEM(0xe61580bc) srcr4 = __raw_readl(SRCR4); diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index b85b2882dbd0..44a621505eeb 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -584,7 +584,7 @@ static struct regulator_init_data vcc_sdhi0_init_data = { static struct fixed_voltage_config vcc_sdhi0_info = { .supply_name = "SDHI0 Vcc", .microvolts = 3300000, - .gpio = GPIO_PORT75, + .gpio = 75, .enable_high = 1, .init_data = &vcc_sdhi0_init_data, }; @@ -615,7 +615,7 @@ static struct regulator_init_data vccq_sdhi0_init_data = { }; static struct gpio vccq_sdhi0_gpios[] = { - {GPIO_PORT17, GPIOF_OUT_INIT_LOW, "vccq-sdhi0" }, + {17, GPIOF_OUT_INIT_LOW, "vccq-sdhi0" }, }; static struct gpio_regulator_state vccq_sdhi0_states[] = { @@ -626,7 +626,7 @@ static struct gpio_regulator_state vccq_sdhi0_states[] = { static struct gpio_regulator_config vccq_sdhi0_info = { .supply_name = "vqmmc", - .enable_gpio = GPIO_PORT74, + .enable_gpio = 74, .enable_high = 1, .enabled_at_boot = 0, @@ -664,7 +664,7 @@ static struct regulator_init_data vcc_sdhi1_init_data = { static struct fixed_voltage_config vcc_sdhi1_info = { .supply_name = "SDHI1 Vcc", .microvolts = 3300000, - .gpio = GPIO_PORT16, + .gpio = 16, .enable_high = 1, .init_data = &vcc_sdhi1_init_data, }; @@ -693,7 +693,7 @@ static struct sh_mobile_sdhi_info sdhi0_info = { .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD, .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD, - .cd_gpio = GPIO_PORT167, + .cd_gpio = 167, }; static struct resource sdhi0_resources[] = { @@ -736,7 +736,7 @@ static struct sh_mobile_sdhi_info sdhi1_info = { MMC_CAP_POWER_OFF_CARD, .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD, /* Port72 cannot generate IRQs, will be used in polling mode. */ - .cd_gpio = GPIO_PORT72, + .cd_gpio = 72, }; static struct resource sdhi1_resources[] = { @@ -1046,6 +1046,35 @@ static struct platform_device *eva_devices[] __initdata = { }; static const struct pinctrl_map eva_pinctrl_map[] = { + /* CEU0 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740", + "ceu0_data_0_7", "ceu0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740", + "ceu0_clk_0", "ceu0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740", + "ceu0_sync", "ceu0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740", + "ceu0_field", "ceu0"), + /* FSIA */ + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740", + "fsia_sclk_in", "fsia"), + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740", + "fsia_mclk_out", "fsia"), + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740", + "fsia_data_in_1", "fsia"), + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740", + "fsia_data_out_0", "fsia"), + /* FSIB */ + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740", + "fsib_mclk_in", "fsib"), + /* GETHER */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740", + "gether_mii", "gether"), + PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740", + "gether_int", "gether"), + /* HDMI */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740", + "hdmi", "hdmi"), /* LCD0 */ PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740", "lcd0_data24_0", "lcd0"), @@ -1058,6 +1087,9 @@ static const struct pinctrl_map eva_pinctrl_map[] = { "mmc0_data8_1", "mmc0"), PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740", "mmc0_ctrl_1", "mmc0"), + /* SCIFA1 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.1", "pfc-r8a7740", + "scifa1_data", "scifa1"), /* SDHI0 */ PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740", "sdhi0_data4", "sdhi0"), @@ -1065,6 +1097,12 @@ static const struct pinctrl_map eva_pinctrl_map[] = { "sdhi0_ctrl", "sdhi0"), PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740", "sdhi0_wp", "sdhi0"), + /* ST1232 */ + PIN_MAP_MUX_GROUP_DEFAULT("0-0055", "pfc-r8a7740", + "intc_irq10", "intc"), + /* USBHS */ + PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7740", + "intc_irq7_1", "intc"), }; static void __init eva_clock_init(void) @@ -1119,40 +1157,14 @@ static void __init eva_init(void) r8a7740_pinmux_init(); r8a7740_meram_workaround(); - /* SCIFA1 */ - gpio_request(GPIO_FN_SCIFA1_RXD, NULL); - gpio_request(GPIO_FN_SCIFA1_TXD, NULL); - /* LCDC0 */ - gpio_request(GPIO_FN_LCDC0_SELECT, NULL); - gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */ gpio_request_one(202, GPIOF_OUT_INIT_LOW, NULL); /* LCD0_LED_CONT */ /* Touchscreen */ - gpio_request(GPIO_FN_IRQ10, NULL); /* TP_INT */ + gpio_request_one(166, GPIOF_OUT_INIT_HIGH, NULL); /* TP_RST_B */ /* GETHER */ - gpio_request(GPIO_FN_ET_CRS, NULL); - gpio_request(GPIO_FN_ET_MDC, NULL); - gpio_request(GPIO_FN_ET_MDIO, NULL); - gpio_request(GPIO_FN_ET_TX_ER, NULL); - gpio_request(GPIO_FN_ET_RX_ER, NULL); - gpio_request(GPIO_FN_ET_ERXD0, NULL); - gpio_request(GPIO_FN_ET_ERXD1, NULL); - gpio_request(GPIO_FN_ET_ERXD2, NULL); - gpio_request(GPIO_FN_ET_ERXD3, NULL); - gpio_request(GPIO_FN_ET_TX_CLK, NULL); - gpio_request(GPIO_FN_ET_TX_EN, NULL); - gpio_request(GPIO_FN_ET_ETXD0, NULL); - gpio_request(GPIO_FN_ET_ETXD1, NULL); - gpio_request(GPIO_FN_ET_ETXD2, NULL); - gpio_request(GPIO_FN_ET_ETXD3, NULL); - gpio_request(GPIO_FN_ET_PHY_INT, NULL); - gpio_request(GPIO_FN_ET_COL, NULL); - gpio_request(GPIO_FN_ET_RX_DV, NULL); - gpio_request(GPIO_FN_ET_RX_CLK, NULL); - gpio_request_one(18, GPIOF_OUT_INIT_HIGH, NULL); /* PHY_RST */ /* USB */ @@ -1163,34 +1175,17 @@ static void __init eva_init(void) } else { /* USB Func */ /* - * A1 chip has 2 IRQ7 pin and it was controled by MSEL register. - * OTOH, usbhs interrupt needs its value (HI/LOW) to decide - * USB connection/disconnection (usbhsf_get_vbus()). - * This means we needs to select GPIO_FN_IRQ7_PORT209 first, - * and select GPIO 209 here + * The USBHS interrupt handlers needs to read the IRQ pin value + * (HI/LOW) to diffentiate USB connection and disconnection + * events (usbhsf_get_vbus()). We thus need to select both the + * intc_irq7_1 pin group and GPIO 209 here. */ - gpio_request(GPIO_FN_IRQ7_PORT209, NULL); gpio_request_one(209, GPIOF_IN, NULL); platform_device_register(&usbhsf_device); usb = &usbhsf_device; } - /* CEU0 */ - gpio_request(GPIO_FN_VIO0_D7, NULL); - gpio_request(GPIO_FN_VIO0_D6, NULL); - gpio_request(GPIO_FN_VIO0_D5, NULL); - gpio_request(GPIO_FN_VIO0_D4, NULL); - gpio_request(GPIO_FN_VIO0_D3, NULL); - gpio_request(GPIO_FN_VIO0_D2, NULL); - gpio_request(GPIO_FN_VIO0_D1, NULL); - gpio_request(GPIO_FN_VIO0_D0, NULL); - gpio_request(GPIO_FN_VIO0_CLK, NULL); - gpio_request(GPIO_FN_VIO0_HD, NULL); - gpio_request(GPIO_FN_VIO0_VD, NULL); - gpio_request(GPIO_FN_VIO0_FIELD, NULL); - gpio_request(GPIO_FN_VIO_CKO, NULL); - /* CON1/CON15 Camera */ gpio_request_one(173, GPIOF_OUT_INIT_LOW, NULL); /* STANDBY */ gpio_request_one(172, GPIOF_OUT_INIT_HIGH, NULL); /* RST */ @@ -1198,24 +1193,11 @@ static void __init eva_init(void) gpio_request_one(158, GPIOF_OUT_INIT_LOW, NULL); /* CAM_PON */ /* FSI-WM8978 */ - gpio_request(GPIO_FN_FSIAIBT, NULL); - gpio_request(GPIO_FN_FSIAILR, NULL); - gpio_request(GPIO_FN_FSIAOMC, NULL); - gpio_request(GPIO_FN_FSIAOSLD, NULL); - gpio_request(GPIO_FN_FSIAISLD_PORT5, NULL); - gpio_request(7, NULL); gpio_request(8, NULL); gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */ gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */ - /* FSI-HDMI */ - gpio_request(GPIO_FN_FSIBCK, NULL); - - /* HDMI */ - gpio_request(GPIO_FN_HDMI_HPD, NULL); - gpio_request(GPIO_FN_HDMI_CEC, NULL); - /* * CAUTION * diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c index 38e5e50fb318..dac4365c5158 100644 --- a/arch/arm/mach-shmobile/board-bockw.c +++ b/arch/arm/mach-shmobile/board-bockw.c @@ -18,6 +18,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <linux/pinctrl/machine.h> #include <linux/platform_device.h> #include <linux/smsc911x.h> #include <mach/common.h> @@ -37,6 +38,14 @@ static struct resource smsc911x_resources[] = { DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */ }; +static const struct pinctrl_map bockw_pinctrl_map[] = { + /* SCIF0 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778", + "scif0_data_a", "scif0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778", + "scif0_ctrl", "scif0"), +}; + #define IRQ0MR 0x30 static void __init bockw_init(void) { @@ -46,6 +55,10 @@ static void __init bockw_init(void) r8a7778_init_irq_extpin(1); r8a7778_add_standard_devices(); + pinctrl_register_mappings(bockw_pinctrl_map, + ARRAY_SIZE(bockw_pinctrl_map)); + r8a7778_pinmux_init(); + fpga = ioremap_nocache(0x18200000, SZ_1M); if (fpga) { /* diff --git a/arch/arm/mach-shmobile/board-bonito.c b/arch/arm/mach-shmobile/board-bonito.c index 70d992c540ae..b373e9ced573 100644 --- a/arch/arm/mach-shmobile/board-bonito.c +++ b/arch/arm/mach-shmobile/board-bonito.c @@ -331,12 +331,6 @@ static struct platform_device smsc_device = { }; /* - * core board devices - */ -static struct platform_device *bonito_core_devices[] __initdata = { -}; - -/* * base board devices */ static struct platform_device *bonito_base_devices[] __initdata = { @@ -375,12 +369,37 @@ static void __init bonito_map_io(void) #define VCCQ1CR IOMEM(0xE6058140) #define VCCQ1LCDCR IOMEM(0xE6058186) +/* + * HACK: The FPGA mappings should be associated with the FPGA device, but we + * don't have one at the moment. Associate them with the PFC device to make + * sure they will be applied. + */ +static const struct pinctrl_map fpga_pinctrl_map[] = { + /* FPGA */ + PIN_MAP_MUX_GROUP_DEFAULT("pfc-r8a7740", "pfc-r8a7740", + "bsc_cs5a_0", "bsc"), + PIN_MAP_MUX_GROUP_DEFAULT("pfc-r8a7740", "pfc-r8a7740", + "bsc_cs5b", "bsc"), + PIN_MAP_MUX_GROUP_DEFAULT("pfc-r8a7740", "pfc-r8a7740", + "bsc_cs6a", "bsc"), + PIN_MAP_MUX_GROUP_DEFAULT("pfc-r8a7740", "pfc-r8a7740", + "intc_irq10", "intc"), +}; + +static const struct pinctrl_map scifa5_pinctrl_map[] = { + /* SCIFA5 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.5", "pfc-r8a7740", + "scifa5_data_2", "scifa5"), +}; + static void __init bonito_init(void) { u16 val; regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + pinctrl_register_mappings(fpga_pinctrl_map, + ARRAY_SIZE(fpga_pinctrl_map)); r8a7740_pinmux_init(); bonito_fpga_init(); @@ -397,9 +416,6 @@ static void __init bonito_init(void) r8a7740_add_standard_devices(); - platform_add_devices(bonito_core_devices, - ARRAY_SIZE(bonito_core_devices)); - /* * base board settings */ @@ -409,14 +425,6 @@ static void __init bonito_init(void) u16 bsw3; u16 bsw4; - /* - * FPGA - */ - gpio_request(GPIO_FN_CS5B, NULL); - gpio_request(GPIO_FN_CS6A, NULL); - gpio_request(GPIO_FN_CS5A_PORT105, NULL); - gpio_request(GPIO_FN_IRQ10, NULL); - val = bonito_fpga_read(BVERR); pr_info("bonito version: cpu %02x, base %02x\n", ((val >> 8) & 0xFF), @@ -432,8 +440,8 @@ static void __init bonito_init(void) if (BIT_OFF(bsw2, 1) && /* S38.3 = ON */ BIT_OFF(bsw3, 9) && /* S39.6 = ON */ BIT_OFF(bsw4, 4)) { /* S43.1 = ON */ - gpio_request(GPIO_FN_SCIFA5_TXD_PORT91, NULL); - gpio_request(GPIO_FN_SCIFA5_RXD_PORT92, NULL); + pinctrl_register_mappings(scifa5_pinctrl_map, + ARRAY_SIZE(scifa5_pinctrl_map)); } /* @@ -443,7 +451,6 @@ static void __init bonito_init(void) BIT_ON(bsw2, 2)) { /* S38.2 = OFF */ pinctrl_register_mappings(lcdc0_pinctrl_map, ARRAY_SIZE(lcdc0_pinctrl_map)); - gpio_request(GPIO_FN_LCDC0_SELECT, NULL); gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */ diff --git a/arch/arm/mach-shmobile/board-kzm9g-reference.c b/arch/arm/mach-shmobile/board-kzm9g-reference.c index aefa50d385b7..44055fe8a45c 100644 --- a/arch/arm/mach-shmobile/board-kzm9g-reference.c +++ b/arch/arm/mach-shmobile/board-kzm9g-reference.c @@ -79,7 +79,6 @@ static void __init kzm_init(void) sh73a0_pinmux_init(); /* enable SD */ - gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL); gpio_request_one(15, GPIOF_OUT_INIT_HIGH, NULL); /* power */ gpio_request_one(14, GPIOF_OUT_INIT_HIGH, NULL); /* power */ diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index e6b775a10aad..1fdf05cb6da1 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -663,13 +663,13 @@ static unsigned long pin_pullup_conf[] = { static const struct pinctrl_map kzm_pinctrl_map[] = { /* FSIA (AK4648) */ - PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2.0", "pfc-sh73a0", + PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2", "pfc-sh73a0", "fsia_mclk_in", "fsia"), - PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2.0", "pfc-sh73a0", + PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2", "pfc-sh73a0", "fsia_sclk_in", "fsia"), - PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2.0", "pfc-sh73a0", + PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2", "pfc-sh73a0", "fsia_data_in", "fsia"), - PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2.0", "pfc-sh73a0", + PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2", "pfc-sh73a0", "fsia_data_out", "fsia"), /* I2C3 */ PIN_MAP_MUX_GROUP_DEFAULT("i2c-sh_mobile.3", "pfc-sh73a0", @@ -788,9 +788,6 @@ static void __init kzm_init(void) /* Touchscreen */ gpio_request_one(223, GPIOF_IN, NULL); /* IRQ8 */ - /* enable SD */ - gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL); - #ifdef CONFIG_CACHE_L2X0 /* Early BRESP enable, Shared attribute override enable, 64K*8way */ l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index f587187a8603..6114edd0a977 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -21,15 +21,30 @@ #include <linux/interrupt.h> #include <linux/irqchip.h> #include <linux/kernel.h> +#include <linux/pinctrl/machine.h> #include <linux/platform_device.h> #include <mach/common.h> #include <mach/r8a7790.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> +static const struct pinctrl_map lager_pinctrl_map[] = { + /* SCIF0 (CN19: DEBUG SERIAL0) */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790", + "scif0_data", "scif0"), + /* SCIF1 (CN20: DEBUG SERIAL1) */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.7", "pfc-r8a7790", + "scif1_data", "scif1"), +}; + static void __init lager_add_standard_devices(void) { r8a7790_clock_init(); + + pinctrl_register_mappings(lager_pinctrl_map, + ARRAY_SIZE(lager_pinctrl_map)); + r8a7790_pinmux_init(); + r8a7790_add_standard_devices(); } diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index fa3407da682a..85f51a849a50 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -1309,6 +1309,49 @@ static struct i2c_board_info i2c1_devices[] = { }; static const struct pinctrl_map mackerel_pinctrl_map[] = { + /* ADXL34X */ + PIN_MAP_MUX_GROUP_DEFAULT("1-0053", "pfc-sh7372", + "intc_irq21", "intc"), + /* CEU */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-sh7372", + "ceu_data_0_7", "ceu"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-sh7372", + "ceu_clk_0", "ceu"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-sh7372", + "ceu_sync", "ceu"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-sh7372", + "ceu_field", "ceu"), + /* FLCTL */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_flctl.0", "pfc-sh7372", + "flctl_data", "flctl"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_flctl.0", "pfc-sh7372", + "flctl_ce0", "flctl"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_flctl.0", "pfc-sh7372", + "flctl_ctrl", "flctl"), + /* FSIA (AK4643) */ + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-sh7372", + "fsia_sclk_in", "fsia"), + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-sh7372", + "fsia_data_in", "fsia"), + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-sh7372", + "fsia_data_out", "fsia"), + /* FSIB (HDMI) */ + PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-sh7372", + "fsib_mclk_in", "fsib"), + /* HDMI */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-sh7372", + "hdmi", "hdmi"), + /* LCDC */ + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-sh7372", + "lcd_data24", "lcd"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-sh7372", + "lcd_sync", "lcd"), + /* SCIFA0 */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-sh7372", + "scifa0_data", "scifa0"), + /* SCIFA2 (GT-720F GPS module) */ + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.2", "pfc-sh7372", + "scifa2_data", "scifa2"), /* SDHI0 */ PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh7372", "sdhi0_data4", "sdhi0"), @@ -1316,6 +1359,8 @@ static const struct pinctrl_map mackerel_pinctrl_map[] = { "sdhi0_ctrl", "sdhi0"), PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh7372", "sdhi0_wp", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh7372", + "intc_irq26_1", "intc"), /* SDHI1 */ #if !IS_ENABLED(CONFIG_MMC_SH_MMCIF) PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-sh7372", @@ -1334,6 +1379,25 @@ static const struct pinctrl_map mackerel_pinctrl_map[] = { "sdhi2_data4", "sdhi2"), PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-sh7372", "sdhi2_ctrl", "sdhi2"), + /* SMSC911X */ + PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-sh7372", + "bsc_cs5a", "bsc"), + PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-sh7372", + "intc_irq6_0", "intc"), + /* ST1232 */ + PIN_MAP_MUX_GROUP_DEFAULT("0-0055", "pfc-sh7372", + "intc_irq7_0", "intc"), + /* TCA6416 */ + PIN_MAP_MUX_GROUP_DEFAULT("0-0020", "pfc-sh7372", + "intc_irq9_0", "intc"), + /* USBHS0 */ + PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs.0", "pfc-sh7372", + "usb0_vbus", "usb0"), + /* USBHS1 */ + PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs.1", "pfc-sh7372", + "usb1_vbus", "usb1"), + PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs.1", "pfc-sh7372", + "usb1_otg_id_0", "usb1"), }; #define GPIO_PORT9CR IOMEM(0xE6051009) @@ -1377,61 +1441,18 @@ static void __init mackerel_init(void) ARRAY_SIZE(mackerel_pinctrl_map)); sh7372_pinmux_init(); - /* enable SCIFA0 */ - gpio_request(GPIO_FN_SCIFA0_TXD, NULL); - gpio_request(GPIO_FN_SCIFA0_RXD, NULL); - - /* enable SMSC911X */ - gpio_request(GPIO_FN_CS5A, NULL); - gpio_request(GPIO_FN_IRQ6_39, NULL); - - /* LCDC */ - gpio_request(GPIO_FN_LCDD23, NULL); - gpio_request(GPIO_FN_LCDD22, NULL); - gpio_request(GPIO_FN_LCDD21, NULL); - gpio_request(GPIO_FN_LCDD20, NULL); - gpio_request(GPIO_FN_LCDD19, NULL); - gpio_request(GPIO_FN_LCDD18, NULL); - gpio_request(GPIO_FN_LCDD17, NULL); - gpio_request(GPIO_FN_LCDD16, NULL); - gpio_request(GPIO_FN_LCDD15, NULL); - gpio_request(GPIO_FN_LCDD14, NULL); - gpio_request(GPIO_FN_LCDD13, NULL); - gpio_request(GPIO_FN_LCDD12, NULL); - gpio_request(GPIO_FN_LCDD11, NULL); - gpio_request(GPIO_FN_LCDD10, NULL); - gpio_request(GPIO_FN_LCDD9, NULL); - gpio_request(GPIO_FN_LCDD8, NULL); - gpio_request(GPIO_FN_LCDD7, NULL); - gpio_request(GPIO_FN_LCDD6, NULL); - gpio_request(GPIO_FN_LCDD5, NULL); - gpio_request(GPIO_FN_LCDD4, NULL); - gpio_request(GPIO_FN_LCDD3, NULL); - gpio_request(GPIO_FN_LCDD2, NULL); - gpio_request(GPIO_FN_LCDD1, NULL); - gpio_request(GPIO_FN_LCDD0, NULL); - gpio_request(GPIO_FN_LCDDISP, NULL); - gpio_request(GPIO_FN_LCDDCK, NULL); - /* backlight, off by default */ gpio_request_one(31, GPIOF_OUT_INIT_LOW, NULL); gpio_request_one(151, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */ /* USBHS0 */ - gpio_request(GPIO_FN_VBUS0_0, NULL); gpio_request_pulldown(GPIO_PORT168CR); /* VBUS0_0 pull down */ /* USBHS1 */ - gpio_request(GPIO_FN_VBUS0_1, NULL); gpio_request_pulldown(GPIO_PORT167CR); /* VBUS0_1 pull down */ - gpio_request(GPIO_FN_IDIN_1_113, NULL); - /* enable FSI2 port A (ak4643) */ - gpio_request(GPIO_FN_FSIAIBT, NULL); - gpio_request(GPIO_FN_FSIAILR, NULL); - gpio_request(GPIO_FN_FSIAISLD, NULL); - gpio_request(GPIO_FN_FSIAOSLD, NULL); + /* FSI2 port A (ak4643) */ gpio_request_one(161, GPIOF_OUT_INIT_LOW, NULL); /* slave */ gpio_request(9, NULL); @@ -1441,8 +1462,7 @@ static void __init mackerel_init(void) intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */ - /* setup FSI2 port B (HDMI) */ - gpio_request(GPIO_FN_FSIBCK, NULL); + /* FSI2 port B (HDMI) */ __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */ /* set SPU2 clock to 119.6 MHz */ @@ -1452,68 +1472,15 @@ static void __init mackerel_init(void) clk_put(clk); } - /* enable Keypad */ - gpio_request(GPIO_FN_IRQ9_42, NULL); + /* Keypad */ irq_set_irq_type(IRQ9, IRQ_TYPE_LEVEL_HIGH); - /* enable Touchscreen */ - gpio_request(GPIO_FN_IRQ7_40, NULL); + /* Touchscreen */ irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW); - /* enable Accelerometer */ - gpio_request(GPIO_FN_IRQ21, NULL); + /* Accelerometer */ irq_set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH); - /* SDHI0 PORT172 card-detect IRQ26 */ - gpio_request(GPIO_FN_IRQ26_172, NULL); - - /* FLCTL */ - gpio_request(GPIO_FN_D0_NAF0, NULL); - gpio_request(GPIO_FN_D1_NAF1, NULL); - gpio_request(GPIO_FN_D2_NAF2, NULL); - gpio_request(GPIO_FN_D3_NAF3, NULL); - gpio_request(GPIO_FN_D4_NAF4, NULL); - gpio_request(GPIO_FN_D5_NAF5, NULL); - gpio_request(GPIO_FN_D6_NAF6, NULL); - gpio_request(GPIO_FN_D7_NAF7, NULL); - gpio_request(GPIO_FN_D8_NAF8, NULL); - gpio_request(GPIO_FN_D9_NAF9, NULL); - gpio_request(GPIO_FN_D10_NAF10, NULL); - gpio_request(GPIO_FN_D11_NAF11, NULL); - gpio_request(GPIO_FN_D12_NAF12, NULL); - gpio_request(GPIO_FN_D13_NAF13, NULL); - gpio_request(GPIO_FN_D14_NAF14, NULL); - gpio_request(GPIO_FN_D15_NAF15, NULL); - gpio_request(GPIO_FN_FCE0, NULL); - gpio_request(GPIO_FN_WE0_FWE, NULL); - gpio_request(GPIO_FN_FRB, NULL); - gpio_request(GPIO_FN_A4_FOE, NULL); - gpio_request(GPIO_FN_A5_FCDE, NULL); - gpio_request(GPIO_FN_RD_FSC, NULL); - - /* enable GPS module (GT-720F) */ - gpio_request(GPIO_FN_SCIFA2_TXD1, NULL); - gpio_request(GPIO_FN_SCIFA2_RXD1, NULL); - - /* CEU */ - gpio_request(GPIO_FN_VIO_CLK, NULL); - gpio_request(GPIO_FN_VIO_VD, NULL); - gpio_request(GPIO_FN_VIO_HD, NULL); - gpio_request(GPIO_FN_VIO_FIELD, NULL); - gpio_request(GPIO_FN_VIO_CKO, NULL); - gpio_request(GPIO_FN_VIO_D7, NULL); - gpio_request(GPIO_FN_VIO_D6, NULL); - gpio_request(GPIO_FN_VIO_D5, NULL); - gpio_request(GPIO_FN_VIO_D4, NULL); - gpio_request(GPIO_FN_VIO_D3, NULL); - gpio_request(GPIO_FN_VIO_D2, NULL); - gpio_request(GPIO_FN_VIO_D1, NULL); - gpio_request(GPIO_FN_VIO_D0, NULL); - - /* HDMI */ - gpio_request(GPIO_FN_HDMI_HPD, NULL); - gpio_request(GPIO_FN_HDMI_CEC, NULL); - /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */ srcr4 = __raw_readl(SRCR4); __raw_writel(srcr4 | (1 << 13), SRCR4); diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c index 91052855cc12..9112faef923b 100644 --- a/arch/arm/mach-shmobile/board-marzen.c +++ b/arch/arm/mach-shmobile/board-marzen.c @@ -28,6 +28,7 @@ #include <linux/leds.h> #include <linux/dma-mapping.h> #include <linux/pinctrl/machine.h> +#include <linux/platform_data/gpio-rcar.h> #include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/smsc911x.h> @@ -173,15 +174,15 @@ static struct platform_device usb_phy_device = { static struct gpio_led marzen_leds[] = { { .name = "led2", - .gpio = 157, + .gpio = RCAR_GP_PIN(4, 29), .default_state = LEDS_GPIO_DEFSTATE_ON, }, { .name = "led3", - .gpio = 158, + .gpio = RCAR_GP_PIN(4, 30), .default_state = LEDS_GPIO_DEFSTATE_ON, }, { .name = "led4", - .gpio = 159, + .gpio = RCAR_GP_PIN(4, 31), .default_state = LEDS_GPIO_DEFSTATE_ON, }, }; @@ -212,8 +213,8 @@ static struct platform_device *marzen_devices[] __initdata = { static struct usb_phy *phy; static int usb_power_on(struct platform_device *pdev) { - if (!phy) - return -EIO; + if (IS_ERR(phy)) + return PTR_ERR(phy); pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); @@ -225,7 +226,7 @@ static int usb_power_on(struct platform_device *pdev) static void usb_power_off(struct platform_device *pdev) { - if (!phy) + if (IS_ERR(phy)) return; usb_phy_shutdown(phy); diff --git a/arch/arm/mach-shmobile/include/mach/irqs.h b/arch/arm/mach-shmobile/include/mach/irqs.h index b2074e2acb15..d241bfd6926d 100644 --- a/arch/arm/mach-shmobile/include/mach/irqs.h +++ b/arch/arm/mach-shmobile/include/mach/irqs.h @@ -16,4 +16,9 @@ #define IRQPIN_BASE 2000 #define irq_pin(nr) ((nr) + IRQPIN_BASE) +/* GPIO IRQ */ +#define _GPIO_IRQ_BASE 2500 +#define GPIO_IRQ_BASE(x) (_GPIO_IRQ_BASE + (32 * x)) +#define GPIO_IRQ(x, y) (_GPIO_IRQ_BASE + (32 * x) + y) + #endif /* __ASM_MACH_IRQS_H */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7740.h b/arch/arm/mach-shmobile/include/mach/r8a7740.h index abdc4d4efa28..9c9a66ccaf6f 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7740.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7740.h @@ -28,494 +28,6 @@ #define MD_CK1 (1 << 1) #define MD_CK0 (1 << 0) -/* - * Pin Function Controller: - * GPIO_FN_xx - GPIO used to select pin function - * GPIO_PORTxx - GPIO mapped to real I/O pin on CPU - */ -enum { - /* PORT */ - GPIO_PORT0, GPIO_PORT1, GPIO_PORT2, GPIO_PORT3, GPIO_PORT4, - GPIO_PORT5, GPIO_PORT6, GPIO_PORT7, GPIO_PORT8, GPIO_PORT9, - - GPIO_PORT10, GPIO_PORT11, GPIO_PORT12, GPIO_PORT13, GPIO_PORT14, - GPIO_PORT15, GPIO_PORT16, GPIO_PORT17, GPIO_PORT18, GPIO_PORT19, - - GPIO_PORT20, GPIO_PORT21, GPIO_PORT22, GPIO_PORT23, GPIO_PORT24, - GPIO_PORT25, GPIO_PORT26, GPIO_PORT27, GPIO_PORT28, GPIO_PORT29, - - GPIO_PORT30, GPIO_PORT31, GPIO_PORT32, GPIO_PORT33, GPIO_PORT34, - GPIO_PORT35, GPIO_PORT36, GPIO_PORT37, GPIO_PORT38, GPIO_PORT39, - - GPIO_PORT40, GPIO_PORT41, GPIO_PORT42, GPIO_PORT43, GPIO_PORT44, - GPIO_PORT45, GPIO_PORT46, GPIO_PORT47, GPIO_PORT48, GPIO_PORT49, - - GPIO_PORT50, GPIO_PORT51, GPIO_PORT52, GPIO_PORT53, GPIO_PORT54, - GPIO_PORT55, GPIO_PORT56, GPIO_PORT57, GPIO_PORT58, GPIO_PORT59, - - GPIO_PORT60, GPIO_PORT61, GPIO_PORT62, GPIO_PORT63, GPIO_PORT64, - GPIO_PORT65, GPIO_PORT66, GPIO_PORT67, GPIO_PORT68, GPIO_PORT69, - - GPIO_PORT70, GPIO_PORT71, GPIO_PORT72, GPIO_PORT73, GPIO_PORT74, - GPIO_PORT75, GPIO_PORT76, GPIO_PORT77, GPIO_PORT78, GPIO_PORT79, - - GPIO_PORT80, GPIO_PORT81, GPIO_PORT82, GPIO_PORT83, GPIO_PORT84, - GPIO_PORT85, GPIO_PORT86, GPIO_PORT87, GPIO_PORT88, GPIO_PORT89, - - GPIO_PORT90, GPIO_PORT91, GPIO_PORT92, GPIO_PORT93, GPIO_PORT94, - GPIO_PORT95, GPIO_PORT96, GPIO_PORT97, GPIO_PORT98, GPIO_PORT99, - - GPIO_PORT100, GPIO_PORT101, GPIO_PORT102, GPIO_PORT103, GPIO_PORT104, - GPIO_PORT105, GPIO_PORT106, GPIO_PORT107, GPIO_PORT108, GPIO_PORT109, - - GPIO_PORT110, GPIO_PORT111, GPIO_PORT112, GPIO_PORT113, GPIO_PORT114, - GPIO_PORT115, GPIO_PORT116, GPIO_PORT117, GPIO_PORT118, GPIO_PORT119, - - GPIO_PORT120, GPIO_PORT121, GPIO_PORT122, GPIO_PORT123, GPIO_PORT124, - GPIO_PORT125, GPIO_PORT126, GPIO_PORT127, GPIO_PORT128, GPIO_PORT129, - - GPIO_PORT130, GPIO_PORT131, GPIO_PORT132, GPIO_PORT133, GPIO_PORT134, - GPIO_PORT135, GPIO_PORT136, GPIO_PORT137, GPIO_PORT138, GPIO_PORT139, - - GPIO_PORT140, GPIO_PORT141, GPIO_PORT142, GPIO_PORT143, GPIO_PORT144, - GPIO_PORT145, GPIO_PORT146, GPIO_PORT147, GPIO_PORT148, GPIO_PORT149, - - GPIO_PORT150, GPIO_PORT151, GPIO_PORT152, GPIO_PORT153, GPIO_PORT154, - GPIO_PORT155, GPIO_PORT156, GPIO_PORT157, GPIO_PORT158, GPIO_PORT159, - - GPIO_PORT160, GPIO_PORT161, GPIO_PORT162, GPIO_PORT163, GPIO_PORT164, - GPIO_PORT165, GPIO_PORT166, GPIO_PORT167, GPIO_PORT168, GPIO_PORT169, - - GPIO_PORT170, GPIO_PORT171, GPIO_PORT172, GPIO_PORT173, GPIO_PORT174, - GPIO_PORT175, GPIO_PORT176, GPIO_PORT177, GPIO_PORT178, GPIO_PORT179, - - GPIO_PORT180, GPIO_PORT181, GPIO_PORT182, GPIO_PORT183, GPIO_PORT184, - GPIO_PORT185, GPIO_PORT186, GPIO_PORT187, GPIO_PORT188, GPIO_PORT189, - - GPIO_PORT190, GPIO_PORT191, GPIO_PORT192, GPIO_PORT193, GPIO_PORT194, - GPIO_PORT195, GPIO_PORT196, GPIO_PORT197, GPIO_PORT198, GPIO_PORT199, - - GPIO_PORT200, GPIO_PORT201, GPIO_PORT202, GPIO_PORT203, GPIO_PORT204, - GPIO_PORT205, GPIO_PORT206, GPIO_PORT207, GPIO_PORT208, GPIO_PORT209, - - GPIO_PORT210, GPIO_PORT211, - - /* IRQ */ - GPIO_FN_IRQ0_PORT2, GPIO_FN_IRQ0_PORT13, - GPIO_FN_IRQ1, - GPIO_FN_IRQ2_PORT11, GPIO_FN_IRQ2_PORT12, - GPIO_FN_IRQ3_PORT10, GPIO_FN_IRQ3_PORT14, - GPIO_FN_IRQ4_PORT15, GPIO_FN_IRQ4_PORT172, - GPIO_FN_IRQ5_PORT0, GPIO_FN_IRQ5_PORT1, - GPIO_FN_IRQ6_PORT121, GPIO_FN_IRQ6_PORT173, - GPIO_FN_IRQ7_PORT120, GPIO_FN_IRQ7_PORT209, - GPIO_FN_IRQ8, - GPIO_FN_IRQ9_PORT118, GPIO_FN_IRQ9_PORT210, - GPIO_FN_IRQ10, - GPIO_FN_IRQ11, - GPIO_FN_IRQ12_PORT42, GPIO_FN_IRQ12_PORT97, - GPIO_FN_IRQ13_PORT64, GPIO_FN_IRQ13_PORT98, - GPIO_FN_IRQ14_PORT63, GPIO_FN_IRQ14_PORT99, - GPIO_FN_IRQ15_PORT62, GPIO_FN_IRQ15_PORT100, - GPIO_FN_IRQ16_PORT68, GPIO_FN_IRQ16_PORT211, - GPIO_FN_IRQ17, - GPIO_FN_IRQ18, - GPIO_FN_IRQ19, - GPIO_FN_IRQ20, - GPIO_FN_IRQ21, - GPIO_FN_IRQ22, - GPIO_FN_IRQ23, - GPIO_FN_IRQ24, - GPIO_FN_IRQ25, - GPIO_FN_IRQ26_PORT58, GPIO_FN_IRQ26_PORT81, - GPIO_FN_IRQ27_PORT57, GPIO_FN_IRQ27_PORT168, - GPIO_FN_IRQ28_PORT56, GPIO_FN_IRQ28_PORT169, - GPIO_FN_IRQ29_PORT50, GPIO_FN_IRQ29_PORT170, - GPIO_FN_IRQ30_PORT49, GPIO_FN_IRQ30_PORT171, - GPIO_FN_IRQ31_PORT41, GPIO_FN_IRQ31_PORT167, - - /* Function */ - - /* DBGT */ - GPIO_FN_DBGMDT2, GPIO_FN_DBGMDT1, GPIO_FN_DBGMDT0, - GPIO_FN_DBGMD10, GPIO_FN_DBGMD11, GPIO_FN_DBGMD20, - GPIO_FN_DBGMD21, - - /* FSI-A */ - GPIO_FN_FSIAISLD_PORT0, /* FSIAISLD Port 0/5 */ - GPIO_FN_FSIAISLD_PORT5, - GPIO_FN_FSIASPDIF_PORT9, /* FSIASPDIF Port 9/18 */ - GPIO_FN_FSIASPDIF_PORT18, - GPIO_FN_FSIAOSLD1, GPIO_FN_FSIAOSLD2, - GPIO_FN_FSIAOLR, GPIO_FN_FSIAOBT, - GPIO_FN_FSIAOSLD, GPIO_FN_FSIAOMC, - GPIO_FN_FSIACK, GPIO_FN_FSIAILR, - GPIO_FN_FSIAIBT, - - /* FSI-B */ - GPIO_FN_FSIBCK, - - /* FMSI */ - GPIO_FN_FMSISLD_PORT1, /* FMSISLD Port 1/6 */ - GPIO_FN_FMSISLD_PORT6, - GPIO_FN_FMSIILR, GPIO_FN_FMSIIBT, - GPIO_FN_FMSIOLR, GPIO_FN_FMSIOBT, - GPIO_FN_FMSICK, GPIO_FN_FMSOILR, - GPIO_FN_FMSOIBT, GPIO_FN_FMSOOLR, - GPIO_FN_FMSOOBT, GPIO_FN_FMSOSLD, - GPIO_FN_FMSOCK, - - /* SCIFA0 */ - GPIO_FN_SCIFA0_SCK, GPIO_FN_SCIFA0_CTS, - GPIO_FN_SCIFA0_RTS, GPIO_FN_SCIFA0_RXD, - GPIO_FN_SCIFA0_TXD, - - /* SCIFA1 */ - GPIO_FN_SCIFA1_CTS, GPIO_FN_SCIFA1_SCK, - GPIO_FN_SCIFA1_RXD, GPIO_FN_SCIFA1_TXD, - GPIO_FN_SCIFA1_RTS, - - /* SCIFA2 */ - GPIO_FN_SCIFA2_SCK_PORT22, /* SCIFA2_SCK Port 22/199 */ - GPIO_FN_SCIFA2_SCK_PORT199, - GPIO_FN_SCIFA2_RXD, GPIO_FN_SCIFA2_TXD, - GPIO_FN_SCIFA2_CTS, GPIO_FN_SCIFA2_RTS, - - /* SCIFA3 */ - GPIO_FN_SCIFA3_RTS_PORT105, /* MSEL5CR_8_0 */ - GPIO_FN_SCIFA3_SCK_PORT116, - GPIO_FN_SCIFA3_CTS_PORT117, - GPIO_FN_SCIFA3_RXD_PORT174, - GPIO_FN_SCIFA3_TXD_PORT175, - - GPIO_FN_SCIFA3_RTS_PORT161, /* MSEL5CR_8_1 */ - GPIO_FN_SCIFA3_SCK_PORT158, - GPIO_FN_SCIFA3_CTS_PORT162, - GPIO_FN_SCIFA3_RXD_PORT159, - GPIO_FN_SCIFA3_TXD_PORT160, - - /* SCIFA4 */ - GPIO_FN_SCIFA4_RXD_PORT12, /* MSEL5CR[12:11] = 00 */ - GPIO_FN_SCIFA4_TXD_PORT13, - - GPIO_FN_SCIFA4_RXD_PORT204, /* MSEL5CR[12:11] = 01 */ - GPIO_FN_SCIFA4_TXD_PORT203, - - GPIO_FN_SCIFA4_RXD_PORT94, /* MSEL5CR[12:11] = 10 */ - GPIO_FN_SCIFA4_TXD_PORT93, - - GPIO_FN_SCIFA4_SCK_PORT21, /* SCIFA4_SCK Port 21/205 */ - GPIO_FN_SCIFA4_SCK_PORT205, - - /* SCIFA5 */ - GPIO_FN_SCIFA5_TXD_PORT20, /* MSEL5CR[15:14] = 00 */ - GPIO_FN_SCIFA5_RXD_PORT10, - - GPIO_FN_SCIFA5_RXD_PORT207, /* MSEL5CR[15:14] = 01 */ - GPIO_FN_SCIFA5_TXD_PORT208, - - GPIO_FN_SCIFA5_TXD_PORT91, /* MSEL5CR[15:14] = 10 */ - GPIO_FN_SCIFA5_RXD_PORT92, - - GPIO_FN_SCIFA5_SCK_PORT23, /* SCIFA5_SCK Port 23/206 */ - GPIO_FN_SCIFA5_SCK_PORT206, - - /* SCIFA6 */ - GPIO_FN_SCIFA6_SCK, GPIO_FN_SCIFA6_RXD, GPIO_FN_SCIFA6_TXD, - - /* SCIFA7 */ - GPIO_FN_SCIFA7_TXD, GPIO_FN_SCIFA7_RXD, - - /* SCIFAB */ - GPIO_FN_SCIFB_SCK_PORT190, /* MSEL5CR_17_0 */ - GPIO_FN_SCIFB_RXD_PORT191, - GPIO_FN_SCIFB_TXD_PORT192, - GPIO_FN_SCIFB_RTS_PORT186, - GPIO_FN_SCIFB_CTS_PORT187, - - GPIO_FN_SCIFB_SCK_PORT2, /* MSEL5CR_17_1 */ - GPIO_FN_SCIFB_RXD_PORT3, - GPIO_FN_SCIFB_TXD_PORT4, - GPIO_FN_SCIFB_RTS_PORT172, - GPIO_FN_SCIFB_CTS_PORT173, - - /* LCD0 */ - GPIO_FN_LCDC0_SELECT, - - /* LCD1 */ - GPIO_FN_LCDC1_SELECT, - - /* RSPI */ - GPIO_FN_RSPI_SSL0_A, GPIO_FN_RSPI_SSL1_A, - GPIO_FN_RSPI_SSL2_A, GPIO_FN_RSPI_SSL3_A, - GPIO_FN_RSPI_MOSI_A, GPIO_FN_RSPI_MISO_A, - GPIO_FN_RSPI_CK_A, - - /* VIO CKO */ - GPIO_FN_VIO_CKO1, - GPIO_FN_VIO_CKO2, - GPIO_FN_VIO_CKO_1, - GPIO_FN_VIO_CKO, - - /* VIO0 */ - GPIO_FN_VIO0_D0, GPIO_FN_VIO0_D1, GPIO_FN_VIO0_D2, - GPIO_FN_VIO0_D3, GPIO_FN_VIO0_D4, GPIO_FN_VIO0_D5, - GPIO_FN_VIO0_D6, GPIO_FN_VIO0_D7, GPIO_FN_VIO0_D8, - GPIO_FN_VIO0_D9, GPIO_FN_VIO0_D10, GPIO_FN_VIO0_D11, - GPIO_FN_VIO0_D12, GPIO_FN_VIO0_VD, GPIO_FN_VIO0_HD, - GPIO_FN_VIO0_CLK, GPIO_FN_VIO0_FIELD, - - GPIO_FN_VIO0_D13_PORT26, /* MSEL5CR_27_0 */ - GPIO_FN_VIO0_D14_PORT25, - GPIO_FN_VIO0_D15_PORT24, - - GPIO_FN_VIO0_D13_PORT22, /* MSEL5CR_27_1 */ - GPIO_FN_VIO0_D14_PORT95, - GPIO_FN_VIO0_D15_PORT96, - - /* VIO1 */ - GPIO_FN_VIO1_D0, GPIO_FN_VIO1_D1, GPIO_FN_VIO1_D2, - GPIO_FN_VIO1_D3, GPIO_FN_VIO1_D4, GPIO_FN_VIO1_D5, - GPIO_FN_VIO1_D6, GPIO_FN_VIO1_D7, GPIO_FN_VIO1_VD, - GPIO_FN_VIO1_HD, GPIO_FN_VIO1_CLK, GPIO_FN_VIO1_FIELD, - - /* TPU0 */ - GPIO_FN_TPU0TO0, GPIO_FN_TPU0TO1, - GPIO_FN_TPU0TO3, - GPIO_FN_TPU0TO2_PORT66, /* TPU0TO2 Port 66/202 */ - GPIO_FN_TPU0TO2_PORT202, - - /* SSP1 0 */ - GPIO_FN_STP0_IPD0, GPIO_FN_STP0_IPD1, GPIO_FN_STP0_IPD2, - GPIO_FN_STP0_IPD3, GPIO_FN_STP0_IPD4, GPIO_FN_STP0_IPD5, - GPIO_FN_STP0_IPD6, GPIO_FN_STP0_IPD7, GPIO_FN_STP0_IPEN, - GPIO_FN_STP0_IPCLK, GPIO_FN_STP0_IPSYNC, - - /* SSP1 1 */ - GPIO_FN_STP1_IPD1, GPIO_FN_STP1_IPD2, GPIO_FN_STP1_IPD3, - GPIO_FN_STP1_IPD4, GPIO_FN_STP1_IPD5, GPIO_FN_STP1_IPD6, - GPIO_FN_STP1_IPD7, GPIO_FN_STP1_IPCLK, GPIO_FN_STP1_IPSYNC, - - GPIO_FN_STP1_IPD0_PORT186, /* MSEL5CR_23_0 */ - GPIO_FN_STP1_IPEN_PORT187, - - GPIO_FN_STP1_IPD0_PORT194, /* MSEL5CR_23_1 */ - GPIO_FN_STP1_IPEN_PORT193, - - /* SIM */ - GPIO_FN_SIM_RST, GPIO_FN_SIM_CLK, - GPIO_FN_SIM_D_PORT22, /* SIM_D Port 22/199 */ - GPIO_FN_SIM_D_PORT199, - - /* MSIOF2 */ - GPIO_FN_MSIOF2_TXD, GPIO_FN_MSIOF2_RXD, GPIO_FN_MSIOF2_TSCK, - GPIO_FN_MSIOF2_SS2, GPIO_FN_MSIOF2_TSYNC, GPIO_FN_MSIOF2_SS1, - GPIO_FN_MSIOF2_MCK1, GPIO_FN_MSIOF2_MCK0, GPIO_FN_MSIOF2_RSYNC, - GPIO_FN_MSIOF2_RSCK, - - /* KEYSC */ - GPIO_FN_KEYIN4, GPIO_FN_KEYIN5, - GPIO_FN_KEYIN6, GPIO_FN_KEYIN7, - GPIO_FN_KEYOUT0, GPIO_FN_KEYOUT1, GPIO_FN_KEYOUT2, - GPIO_FN_KEYOUT3, GPIO_FN_KEYOUT4, GPIO_FN_KEYOUT5, - GPIO_FN_KEYOUT6, GPIO_FN_KEYOUT7, - - GPIO_FN_KEYIN0_PORT43, /* MSEL4CR_18_0 */ - GPIO_FN_KEYIN1_PORT44, - GPIO_FN_KEYIN2_PORT45, - GPIO_FN_KEYIN3_PORT46, - - GPIO_FN_KEYIN0_PORT58, /* MSEL4CR_18_1 */ - GPIO_FN_KEYIN1_PORT57, - GPIO_FN_KEYIN2_PORT56, - GPIO_FN_KEYIN3_PORT55, - - /* VOU */ - GPIO_FN_DV_D0, GPIO_FN_DV_D1, GPIO_FN_DV_D2, GPIO_FN_DV_D3, - GPIO_FN_DV_D4, GPIO_FN_DV_D5, GPIO_FN_DV_D6, GPIO_FN_DV_D7, - GPIO_FN_DV_D8, GPIO_FN_DV_D9, GPIO_FN_DV_D10, GPIO_FN_DV_D11, - GPIO_FN_DV_D12, GPIO_FN_DV_D13, GPIO_FN_DV_D14, GPIO_FN_DV_D15, - GPIO_FN_DV_CLK, - GPIO_FN_DV_VSYNC, - GPIO_FN_DV_HSYNC, - - /* MEMC */ - GPIO_FN_MEMC_AD0, GPIO_FN_MEMC_AD1, GPIO_FN_MEMC_AD2, - GPIO_FN_MEMC_AD3, GPIO_FN_MEMC_AD4, GPIO_FN_MEMC_AD5, - GPIO_FN_MEMC_AD6, GPIO_FN_MEMC_AD7, GPIO_FN_MEMC_AD8, - GPIO_FN_MEMC_AD9, GPIO_FN_MEMC_AD10, GPIO_FN_MEMC_AD11, - GPIO_FN_MEMC_AD12, GPIO_FN_MEMC_AD13, GPIO_FN_MEMC_AD14, - GPIO_FN_MEMC_AD15, GPIO_FN_MEMC_CS0, GPIO_FN_MEMC_INT, - GPIO_FN_MEMC_NWE, GPIO_FN_MEMC_NOE, - - GPIO_FN_MEMC_CS1, /* MSEL4CR_6_0 */ - GPIO_FN_MEMC_ADV, - GPIO_FN_MEMC_WAIT, - GPIO_FN_MEMC_BUSCLK, - - GPIO_FN_MEMC_A1, /* MSEL4CR_6_1 */ - GPIO_FN_MEMC_DREQ0, - GPIO_FN_MEMC_DREQ1, - GPIO_FN_MEMC_A0, - - /* MSIOF0 */ - GPIO_FN_MSIOF0_SS1, GPIO_FN_MSIOF0_SS2, - GPIO_FN_MSIOF0_RXD, GPIO_FN_MSIOF0_TXD, - GPIO_FN_MSIOF0_MCK0, GPIO_FN_MSIOF0_MCK1, - GPIO_FN_MSIOF0_RSYNC, GPIO_FN_MSIOF0_RSCK, - GPIO_FN_MSIOF0_TSCK, GPIO_FN_MSIOF0_TSYNC, - - /* MSIOF1 */ - GPIO_FN_MSIOF1_RSCK, GPIO_FN_MSIOF1_RSYNC, - GPIO_FN_MSIOF1_MCK0, GPIO_FN_MSIOF1_MCK1, - - GPIO_FN_MSIOF1_SS2_PORT116, GPIO_FN_MSIOF1_SS1_PORT117, - GPIO_FN_MSIOF1_RXD_PORT118, GPIO_FN_MSIOF1_TXD_PORT119, - GPIO_FN_MSIOF1_TSYNC_PORT120, - GPIO_FN_MSIOF1_TSCK_PORT121, /* MSEL4CR_10_0 */ - - GPIO_FN_MSIOF1_SS1_PORT67, GPIO_FN_MSIOF1_TSCK_PORT72, - GPIO_FN_MSIOF1_TSYNC_PORT73, GPIO_FN_MSIOF1_TXD_PORT74, - GPIO_FN_MSIOF1_RXD_PORT75, - GPIO_FN_MSIOF1_SS2_PORT202, /* MSEL4CR_10_1 */ - - /* GPIO */ - GPIO_FN_GPO0, GPIO_FN_GPI0, - GPIO_FN_GPO1, GPIO_FN_GPI1, - - /* USB0 */ - GPIO_FN_USB0_OCI, GPIO_FN_USB0_PPON, GPIO_FN_VBUS, - - /* USB1 */ - GPIO_FN_USB1_OCI, GPIO_FN_USB1_PPON, - - /* BBIF1 */ - GPIO_FN_BBIF1_RXD, GPIO_FN_BBIF1_TXD, GPIO_FN_BBIF1_TSYNC, - GPIO_FN_BBIF1_TSCK, GPIO_FN_BBIF1_RSCK, GPIO_FN_BBIF1_RSYNC, - GPIO_FN_BBIF1_FLOW, GPIO_FN_BBIF1_RX_FLOW_N, - - /* BBIF2 */ - GPIO_FN_BBIF2_TXD2_PORT5, /* MSEL5CR_0_0 */ - GPIO_FN_BBIF2_RXD2_PORT60, - GPIO_FN_BBIF2_TSYNC2_PORT6, - GPIO_FN_BBIF2_TSCK2_PORT59, - - GPIO_FN_BBIF2_RXD2_PORT90, /* MSEL5CR_0_1 */ - GPIO_FN_BBIF2_TXD2_PORT183, - GPIO_FN_BBIF2_TSCK2_PORT89, - GPIO_FN_BBIF2_TSYNC2_PORT184, - - /* BSC / FLCTL / PCMCIA */ - GPIO_FN_CS0, GPIO_FN_CS2, GPIO_FN_CS4, - GPIO_FN_CS5B, GPIO_FN_CS6A, - GPIO_FN_CS5A_PORT105, /* CS5A PORT 19/105 */ - GPIO_FN_CS5A_PORT19, - GPIO_FN_IOIS16, /* ? */ - - GPIO_FN_A0, GPIO_FN_A1, GPIO_FN_A2, GPIO_FN_A3, - GPIO_FN_A4_FOE, /* share with FLCTL */ - GPIO_FN_A5_FCDE, /* share with FLCTL */ - GPIO_FN_A6, GPIO_FN_A7, GPIO_FN_A8, GPIO_FN_A9, - GPIO_FN_A10, GPIO_FN_A11, GPIO_FN_A12, GPIO_FN_A13, - GPIO_FN_A14, GPIO_FN_A15, GPIO_FN_A16, GPIO_FN_A17, - GPIO_FN_A18, GPIO_FN_A19, GPIO_FN_A20, GPIO_FN_A21, - GPIO_FN_A22, GPIO_FN_A23, GPIO_FN_A24, GPIO_FN_A25, - GPIO_FN_A26, - - GPIO_FN_D0_NAF0, GPIO_FN_D1_NAF1, /* share with FLCTL */ - GPIO_FN_D2_NAF2, GPIO_FN_D3_NAF3, /* share with FLCTL */ - GPIO_FN_D4_NAF4, GPIO_FN_D5_NAF5, /* share with FLCTL */ - GPIO_FN_D6_NAF6, GPIO_FN_D7_NAF7, /* share with FLCTL */ - GPIO_FN_D8_NAF8, GPIO_FN_D9_NAF9, /* share with FLCTL */ - GPIO_FN_D10_NAF10, GPIO_FN_D11_NAF11, /* share with FLCTL */ - GPIO_FN_D12_NAF12, GPIO_FN_D13_NAF13, /* share with FLCTL */ - GPIO_FN_D14_NAF14, GPIO_FN_D15_NAF15, /* share with FLCTL */ - - GPIO_FN_D16, GPIO_FN_D17, GPIO_FN_D18, GPIO_FN_D19, - GPIO_FN_D20, GPIO_FN_D21, GPIO_FN_D22, GPIO_FN_D23, - GPIO_FN_D24, GPIO_FN_D25, GPIO_FN_D26, GPIO_FN_D27, - GPIO_FN_D28, GPIO_FN_D29, GPIO_FN_D30, GPIO_FN_D31, - - GPIO_FN_WE0_FWE, /* share with FLCTL */ - GPIO_FN_WE1, - GPIO_FN_WE2_ICIORD, /* share with PCMCIA */ - GPIO_FN_WE3_ICIOWR, /* share with PCMCIA */ - GPIO_FN_CKO, GPIO_FN_BS, GPIO_FN_RDWR, - GPIO_FN_RD_FSC, /* share with FLCTL */ - GPIO_FN_WAIT_PORT177, /* WAIT Port 90/177 */ - GPIO_FN_WAIT_PORT90, - - GPIO_FN_FCE0, GPIO_FN_FCE1, GPIO_FN_FRB, /* FLCTL */ - - /* IRDA */ - GPIO_FN_IRDA_FIRSEL, GPIO_FN_IRDA_IN, GPIO_FN_IRDA_OUT, - - /* ATAPI */ - GPIO_FN_IDE_D0, GPIO_FN_IDE_D1, GPIO_FN_IDE_D2, - GPIO_FN_IDE_D3, GPIO_FN_IDE_D4, GPIO_FN_IDE_D5, - GPIO_FN_IDE_D6, GPIO_FN_IDE_D7, GPIO_FN_IDE_D8, - GPIO_FN_IDE_D9, GPIO_FN_IDE_D10, GPIO_FN_IDE_D11, - GPIO_FN_IDE_D12, GPIO_FN_IDE_D13, GPIO_FN_IDE_D14, - GPIO_FN_IDE_D15, GPIO_FN_IDE_A0, GPIO_FN_IDE_A1, - GPIO_FN_IDE_A2, GPIO_FN_IDE_CS0, GPIO_FN_IDE_CS1, - GPIO_FN_IDE_IOWR, GPIO_FN_IDE_IORD, GPIO_FN_IDE_IORDY, - GPIO_FN_IDE_INT, GPIO_FN_IDE_RST, GPIO_FN_IDE_DIRECTION, - GPIO_FN_IDE_EXBUF_ENB, GPIO_FN_IDE_IODACK, GPIO_FN_IDE_IODREQ, - - /* RMII */ - GPIO_FN_RMII_CRS_DV, GPIO_FN_RMII_RX_ER, GPIO_FN_RMII_RXD0, - GPIO_FN_RMII_RXD1, GPIO_FN_RMII_TX_EN, GPIO_FN_RMII_TXD0, - GPIO_FN_RMII_MDC, GPIO_FN_RMII_TXD1, GPIO_FN_RMII_MDIO, - GPIO_FN_RMII_REF50CK, /* for RMII */ - GPIO_FN_RMII_REF125CK, /* for GMII */ - - /* GEther */ - GPIO_FN_ET_TX_CLK, GPIO_FN_ET_TX_EN, GPIO_FN_ET_ETXD0, - GPIO_FN_ET_ETXD1, GPIO_FN_ET_ETXD2, GPIO_FN_ET_ETXD3, - GPIO_FN_ET_ETXD4, GPIO_FN_ET_ETXD5, /* for GEther */ - GPIO_FN_ET_ETXD6, GPIO_FN_ET_ETXD7, /* for GEther */ - GPIO_FN_ET_COL, GPIO_FN_ET_TX_ER, - GPIO_FN_ET_RX_CLK, GPIO_FN_ET_RX_DV, - GPIO_FN_ET_ERXD0, GPIO_FN_ET_ERXD1, - GPIO_FN_ET_ERXD2, GPIO_FN_ET_ERXD3, - GPIO_FN_ET_ERXD4, GPIO_FN_ET_ERXD5, /* for GEther */ - GPIO_FN_ET_ERXD6, GPIO_FN_ET_ERXD7, /* for GEther */ - GPIO_FN_ET_RX_ER, GPIO_FN_ET_CRS, - GPIO_FN_ET_MDC, GPIO_FN_ET_MDIO, - GPIO_FN_ET_LINK, GPIO_FN_ET_PHY_INT, - GPIO_FN_ET_WOL, GPIO_FN_ET_GTX_CLK, - - /* DMA0 */ - GPIO_FN_DREQ0, GPIO_FN_DACK0, - - /* DMA1 */ - GPIO_FN_DREQ1, GPIO_FN_DACK1, - - /* SYSC */ - GPIO_FN_RESETOUTS, - GPIO_FN_RESETP_PULLUP, - GPIO_FN_RESETP_PLAIN, - - /* HDMI */ - GPIO_FN_HDMI_HPD, - GPIO_FN_HDMI_CEC, - - /* SDENC */ - GPIO_FN_SDENC_CPG, - GPIO_FN_SDENC_DV_CLKI, - - /* IRREM */ - GPIO_FN_IROUT, - - /* DEBUG */ - GPIO_FN_EDEBGREQ_PULLDOWN, - GPIO_FN_EDEBGREQ_PULLUP, - - GPIO_FN_TRACEAUD_FROM_VIO, - GPIO_FN_TRACEAUD_FROM_LCDC0, - GPIO_FN_TRACEAUD_FROM_MEMC, -}; - /* DMA slave IDs */ enum { SHDMA_SLAVE_INVALID, diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h index b5173b3428ac..ae65b459483f 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7778.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h @@ -29,6 +29,7 @@ extern void r8a7778_init_irq(void); extern void r8a7778_init_irq_dt(void); extern void r8a7778_clock_init(void); extern void r8a7778_init_irq_extpin(int irlm); +extern void r8a7778_pinmux_init(void); extern void r8a7778_sdhi_init(int id, struct sh_mobile_sdhi_info *info); #endif /* __ASM_R8A7778_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index fd7cba024c39..e882717ca97f 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -15,397 +15,6 @@ #include <linux/pm_domain.h> #include <mach/pm-rmobile.h> -/* - * Pin Function Controller: - * GPIO_FN_xx - GPIO used to select pin function - * GPIO_PORTxx - GPIO mapped to real I/O pin on CPU - */ -enum { - /* PORT */ - GPIO_PORT0, GPIO_PORT1, GPIO_PORT2, GPIO_PORT3, GPIO_PORT4, - GPIO_PORT5, GPIO_PORT6, GPIO_PORT7, GPIO_PORT8, GPIO_PORT9, - - GPIO_PORT10, GPIO_PORT11, GPIO_PORT12, GPIO_PORT13, GPIO_PORT14, - GPIO_PORT15, GPIO_PORT16, GPIO_PORT17, GPIO_PORT18, GPIO_PORT19, - - GPIO_PORT20, GPIO_PORT21, GPIO_PORT22, GPIO_PORT23, GPIO_PORT24, - GPIO_PORT25, GPIO_PORT26, GPIO_PORT27, GPIO_PORT28, GPIO_PORT29, - - GPIO_PORT30, GPIO_PORT31, GPIO_PORT32, GPIO_PORT33, GPIO_PORT34, - GPIO_PORT35, GPIO_PORT36, GPIO_PORT37, GPIO_PORT38, GPIO_PORT39, - - GPIO_PORT40, GPIO_PORT41, GPIO_PORT42, GPIO_PORT43, GPIO_PORT44, - GPIO_PORT45, GPIO_PORT46, GPIO_PORT47, GPIO_PORT48, GPIO_PORT49, - - GPIO_PORT50, GPIO_PORT51, GPIO_PORT52, GPIO_PORT53, GPIO_PORT54, - GPIO_PORT55, GPIO_PORT56, GPIO_PORT57, GPIO_PORT58, GPIO_PORT59, - - GPIO_PORT60, GPIO_PORT61, GPIO_PORT62, GPIO_PORT63, GPIO_PORT64, - GPIO_PORT65, GPIO_PORT66, GPIO_PORT67, GPIO_PORT68, GPIO_PORT69, - - GPIO_PORT70, GPIO_PORT71, GPIO_PORT72, GPIO_PORT73, GPIO_PORT74, - GPIO_PORT75, GPIO_PORT76, GPIO_PORT77, GPIO_PORT78, GPIO_PORT79, - - GPIO_PORT80, GPIO_PORT81, GPIO_PORT82, GPIO_PORT83, GPIO_PORT84, - GPIO_PORT85, GPIO_PORT86, GPIO_PORT87, GPIO_PORT88, GPIO_PORT89, - - GPIO_PORT90, GPIO_PORT91, GPIO_PORT92, GPIO_PORT93, GPIO_PORT94, - GPIO_PORT95, GPIO_PORT96, GPIO_PORT97, GPIO_PORT98, GPIO_PORT99, - - GPIO_PORT100, GPIO_PORT101, GPIO_PORT102, GPIO_PORT103, GPIO_PORT104, - GPIO_PORT105, GPIO_PORT106, GPIO_PORT107, GPIO_PORT108, GPIO_PORT109, - - GPIO_PORT110, GPIO_PORT111, GPIO_PORT112, GPIO_PORT113, GPIO_PORT114, - GPIO_PORT115, GPIO_PORT116, GPIO_PORT117, GPIO_PORT118, GPIO_PORT119, - - GPIO_PORT120, GPIO_PORT121, GPIO_PORT122, GPIO_PORT123, GPIO_PORT124, - GPIO_PORT125, GPIO_PORT126, GPIO_PORT127, GPIO_PORT128, GPIO_PORT129, - - GPIO_PORT130, GPIO_PORT131, GPIO_PORT132, GPIO_PORT133, GPIO_PORT134, - GPIO_PORT135, GPIO_PORT136, GPIO_PORT137, GPIO_PORT138, GPIO_PORT139, - - GPIO_PORT140, GPIO_PORT141, GPIO_PORT142, GPIO_PORT143, GPIO_PORT144, - GPIO_PORT145, GPIO_PORT146, GPIO_PORT147, GPIO_PORT148, GPIO_PORT149, - - GPIO_PORT150, GPIO_PORT151, GPIO_PORT152, GPIO_PORT153, GPIO_PORT154, - GPIO_PORT155, GPIO_PORT156, GPIO_PORT157, GPIO_PORT158, GPIO_PORT159, - - GPIO_PORT160, GPIO_PORT161, GPIO_PORT162, GPIO_PORT163, GPIO_PORT164, - GPIO_PORT165, GPIO_PORT166, GPIO_PORT167, GPIO_PORT168, GPIO_PORT169, - - GPIO_PORT170, GPIO_PORT171, GPIO_PORT172, GPIO_PORT173, GPIO_PORT174, - GPIO_PORT175, GPIO_PORT176, GPIO_PORT177, GPIO_PORT178, GPIO_PORT179, - - GPIO_PORT180, GPIO_PORT181, GPIO_PORT182, GPIO_PORT183, GPIO_PORT184, - GPIO_PORT185, GPIO_PORT186, GPIO_PORT187, GPIO_PORT188, GPIO_PORT189, - - GPIO_PORT190, - - /* IRQ */ - GPIO_FN_IRQ0_6, /* PORT 6 */ - GPIO_FN_IRQ0_162, /* PORT 162 */ - GPIO_FN_IRQ1, /* PORT 12 */ - GPIO_FN_IRQ2_4, /* PORT 4 */ - GPIO_FN_IRQ2_5, /* PORT 5 */ - GPIO_FN_IRQ3_8, /* PORT 8 */ - GPIO_FN_IRQ3_16, /* PORT 16 */ - GPIO_FN_IRQ4_17, /* PORT 17 */ - GPIO_FN_IRQ4_163, /* PORT 163 */ - GPIO_FN_IRQ5, /* PORT 18 */ - GPIO_FN_IRQ6_39, /* PORT 39 */ - GPIO_FN_IRQ6_164, /* PORT 164 */ - GPIO_FN_IRQ7_40, /* PORT 40 */ - GPIO_FN_IRQ7_167, /* PORT 167 */ - GPIO_FN_IRQ8_41, /* PORT 41 */ - GPIO_FN_IRQ8_168, /* PORT 168 */ - GPIO_FN_IRQ9_42, /* PORT 42 */ - GPIO_FN_IRQ9_169, /* PORT 169 */ - GPIO_FN_IRQ10, /* PORT 65 */ - GPIO_FN_IRQ11, /* PORT 67 */ - GPIO_FN_IRQ12_80, /* PORT 80 */ - GPIO_FN_IRQ12_137, /* PORT 137 */ - GPIO_FN_IRQ13_81, /* PORT 81 */ - GPIO_FN_IRQ13_145, /* PORT 145 */ - GPIO_FN_IRQ14_82, /* PORT 82 */ - GPIO_FN_IRQ14_146, /* PORT 146 */ - GPIO_FN_IRQ15_83, /* PORT 83 */ - GPIO_FN_IRQ15_147, /* PORT 147 */ - GPIO_FN_IRQ16_84, /* PORT 84 */ - GPIO_FN_IRQ16_170, /* PORT 170 */ - GPIO_FN_IRQ17, /* PORT 85 */ - GPIO_FN_IRQ18, /* PORT 86 */ - GPIO_FN_IRQ19, /* PORT 87 */ - GPIO_FN_IRQ20, /* PORT 92 */ - GPIO_FN_IRQ21, /* PORT 93 */ - GPIO_FN_IRQ22, /* PORT 94 */ - GPIO_FN_IRQ23, /* PORT 95 */ - GPIO_FN_IRQ24, /* PORT 112 */ - GPIO_FN_IRQ25, /* PORT 119 */ - GPIO_FN_IRQ26_121, /* PORT 121 */ - GPIO_FN_IRQ26_172, /* PORT 172 */ - GPIO_FN_IRQ27_122, /* PORT 122 */ - GPIO_FN_IRQ27_180, /* PORT 180 */ - GPIO_FN_IRQ28_123, /* PORT 123 */ - GPIO_FN_IRQ28_181, /* PORT 181 */ - GPIO_FN_IRQ29_129, /* PORT 129 */ - GPIO_FN_IRQ29_182, /* PORT 182 */ - GPIO_FN_IRQ30_130, /* PORT 130 */ - GPIO_FN_IRQ30_183, /* PORT 183 */ - GPIO_FN_IRQ31_138, /* PORT 138 */ - GPIO_FN_IRQ31_184, /* PORT 184 */ - - /* - * MSIOF0 (PORT 36, 37, 38, 39 - * 40, 41, 42, 43, 44, 45) - */ - GPIO_FN_MSIOF0_TSYNC, GPIO_FN_MSIOF0_TSCK, - GPIO_FN_MSIOF0_RXD, GPIO_FN_MSIOF0_RSCK, - GPIO_FN_MSIOF0_RSYNC, GPIO_FN_MSIOF0_MCK0, - GPIO_FN_MSIOF0_MCK1, GPIO_FN_MSIOF0_SS1, - GPIO_FN_MSIOF0_SS2, GPIO_FN_MSIOF0_TXD, - - /* - * MSIOF1 (PORT 39, 40, 41, 42, 43, 44 - * 84, 85, 86, 87, 88, 89, 90, 91, 92, 93) - */ - GPIO_FN_MSIOF1_TSCK_39, GPIO_FN_MSIOF1_TSYNC_40, - GPIO_FN_MSIOF1_TSCK_88, GPIO_FN_MSIOF1_TSYNC_89, - GPIO_FN_MSIOF1_TXD_41, GPIO_FN_MSIOF1_RXD_42, - GPIO_FN_MSIOF1_TXD_90, GPIO_FN_MSIOF1_RXD_91, - GPIO_FN_MSIOF1_SS1_43, GPIO_FN_MSIOF1_SS2_44, - GPIO_FN_MSIOF1_SS1_92, GPIO_FN_MSIOF1_SS2_93, - GPIO_FN_MSIOF1_RSCK, GPIO_FN_MSIOF1_RSYNC, - GPIO_FN_MSIOF1_MCK0, GPIO_FN_MSIOF1_MCK1, - - /* - * MSIOF2 (PORT 134, 135, 136, 137, 138, 139 - * 148, 149, 150, 151) - */ - GPIO_FN_MSIOF2_RSCK, GPIO_FN_MSIOF2_RSYNC, - GPIO_FN_MSIOF2_MCK0, GPIO_FN_MSIOF2_MCK1, - GPIO_FN_MSIOF2_SS1, GPIO_FN_MSIOF2_SS2, - GPIO_FN_MSIOF2_TSYNC, GPIO_FN_MSIOF2_TSCK, - GPIO_FN_MSIOF2_RXD, GPIO_FN_MSIOF2_TXD, - - /* MSIOF3 (PORT 76, 77, 78, 79, 80, 81, 82, 83) */ - GPIO_FN_BBIF1_RXD, GPIO_FN_BBIF1_TSYNC, - GPIO_FN_BBIF1_TSCK, GPIO_FN_BBIF1_TXD, - GPIO_FN_BBIF1_RSCK, GPIO_FN_BBIF1_RSYNC, - GPIO_FN_BBIF1_FLOW, GPIO_FN_BB_RX_FLOW_N, - - /* MSIOF4 (PORT 0, 1, 2, 3) */ - GPIO_FN_BBIF2_TSCK1, GPIO_FN_BBIF2_TSYNC1, - GPIO_FN_BBIF2_TXD1, GPIO_FN_BBIF2_RXD, - - /* FSI (PORT 4, 5, 6, 7, 8, 9, 10, 11, 15) */ - GPIO_FN_FSIACK, GPIO_FN_FSIBCK, - GPIO_FN_FSIAILR, GPIO_FN_FSIAIBT, - GPIO_FN_FSIAISLD, GPIO_FN_FSIAOMC, - GPIO_FN_FSIAOLR, GPIO_FN_FSIAOBT, - GPIO_FN_FSIAOSLD, GPIO_FN_FSIASPDIF_11, - GPIO_FN_FSIASPDIF_15, - - /* FMSI (PORT 12, 13, 14, 15, 16, 17, 18, 65) */ - GPIO_FN_FMSOCK, GPIO_FN_FMSOOLR, - GPIO_FN_FMSIOLR, GPIO_FN_FMSOOBT, - GPIO_FN_FMSIOBT, GPIO_FN_FMSOSLD, - GPIO_FN_FMSOILR, GPIO_FN_FMSIILR, - GPIO_FN_FMSOIBT, GPIO_FN_FMSIIBT, - GPIO_FN_FMSISLD, GPIO_FN_FMSICK, - - /* SCIFA0 (PORT 152, 153, 156, 157, 158) */ - GPIO_FN_SCIFA0_TXD, GPIO_FN_SCIFA0_RXD, - GPIO_FN_SCIFA0_SCK, GPIO_FN_SCIFA0_RTS, - GPIO_FN_SCIFA0_CTS, - - /* SCIFA1 (PORT 154, 155, 159, 160, 161) */ - GPIO_FN_SCIFA1_TXD, GPIO_FN_SCIFA1_RXD, - GPIO_FN_SCIFA1_SCK, GPIO_FN_SCIFA1_RTS, - GPIO_FN_SCIFA1_CTS, - - /* SCIFA2 (PORT 94, 95, 96, 97, 98) */ - GPIO_FN_SCIFA2_CTS1, GPIO_FN_SCIFA2_RTS1, - GPIO_FN_SCIFA2_TXD1, GPIO_FN_SCIFA2_RXD1, - GPIO_FN_SCIFA2_SCK1, - - /* SCIFA3 (PORT 43, 44, - 140, 141, 142, 143, 144) */ - GPIO_FN_SCIFA3_CTS_43, GPIO_FN_SCIFA3_CTS_140, - GPIO_FN_SCIFA3_RTS_44, GPIO_FN_SCIFA3_RTS_141, - GPIO_FN_SCIFA3_SCK, GPIO_FN_SCIFA3_TXD, - GPIO_FN_SCIFA3_RXD, - - /* SCIFA4 (PORT 5, 6) */ - GPIO_FN_SCIFA4_RXD, GPIO_FN_SCIFA4_TXD, - - /* SCIFA5 (PORT 8, 12) */ - GPIO_FN_SCIFA5_RXD, GPIO_FN_SCIFA5_TXD, - - /* SCIFB (PORT 162, 163, 164, 165, 166) */ - GPIO_FN_SCIFB_SCK, GPIO_FN_SCIFB_RTS, - GPIO_FN_SCIFB_CTS, GPIO_FN_SCIFB_TXD, - GPIO_FN_SCIFB_RXD, - - /* - * CEU (PORT 16, 17, - * 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, - * 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, - * 120) - */ - GPIO_FN_VIO_HD, GPIO_FN_VIO_CKO1, GPIO_FN_VIO_CKO2, - GPIO_FN_VIO_VD, GPIO_FN_VIO_CLK, GPIO_FN_VIO_FIELD, - GPIO_FN_VIO_CKO, - GPIO_FN_VIO_D0, GPIO_FN_VIO_D1, GPIO_FN_VIO_D2, - GPIO_FN_VIO_D3, GPIO_FN_VIO_D4, GPIO_FN_VIO_D5, - GPIO_FN_VIO_D6, GPIO_FN_VIO_D7, GPIO_FN_VIO_D8, - GPIO_FN_VIO_D9, GPIO_FN_VIO_D10, GPIO_FN_VIO_D11, - GPIO_FN_VIO_D12, GPIO_FN_VIO_D13, GPIO_FN_VIO_D14, - GPIO_FN_VIO_D15, - - /* USB0 (PORT 113, 114, 115, 116, 117, 167) */ - GPIO_FN_IDIN_0, GPIO_FN_EXTLP_0, - GPIO_FN_OVCN2_0, GPIO_FN_PWEN_0, - GPIO_FN_OVCN_0, GPIO_FN_VBUS0_0, - - /* USB1 (PORT 18, 113, 114, 115, 116, 117, 138, 162, 168) */ - GPIO_FN_IDIN_1_18, GPIO_FN_IDIN_1_113, - GPIO_FN_PWEN_1_115, GPIO_FN_PWEN_1_138, - GPIO_FN_OVCN_1_114, GPIO_FN_OVCN_1_162, - GPIO_FN_EXTLP_1, GPIO_FN_OVCN2_1, - GPIO_FN_VBUS0_1, - - /* GPIO (PORT 41, 42, 43, 44) */ - GPIO_FN_GPI0, GPIO_FN_GPI1, GPIO_FN_GPO0, GPIO_FN_GPO1, - - /* - * BSC (PORT 19, - * 20, 21, 22, 25, 26, 27, 28, 29, - * 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, - * 40, 41, 42, 43, 44, 45, - * 62, 63, 64, 65, 66, 67, - * 71, 72, 74, 75) - */ - GPIO_FN_BS, GPIO_FN_WE1, - GPIO_FN_CKO, GPIO_FN_WAIT, GPIO_FN_RDWR, - - GPIO_FN_A0, GPIO_FN_A1, GPIO_FN_A2, GPIO_FN_A3, - GPIO_FN_A6, GPIO_FN_A7, GPIO_FN_A8, GPIO_FN_A9, - GPIO_FN_A10, GPIO_FN_A11, GPIO_FN_A12, GPIO_FN_A13, - GPIO_FN_A14, GPIO_FN_A15, GPIO_FN_A16, GPIO_FN_A17, - GPIO_FN_A18, GPIO_FN_A19, GPIO_FN_A20, GPIO_FN_A21, - GPIO_FN_A22, GPIO_FN_A23, GPIO_FN_A24, GPIO_FN_A25, - GPIO_FN_A26, - - GPIO_FN_CS0, GPIO_FN_CS2, GPIO_FN_CS4, - GPIO_FN_CS5A, GPIO_FN_CS5B, GPIO_FN_CS6A, - - /* - * BSC/FLCTL (PORT 23, 24, - * 46, 47, 48, 49, - * 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, - * 60, 61, 69, 70) - */ - GPIO_FN_RD_FSC, GPIO_FN_WE0_FWE, - GPIO_FN_A4_FOE, GPIO_FN_A5_FCDE, - GPIO_FN_D0_NAF0, GPIO_FN_D1_NAF1, GPIO_FN_D2_NAF2, - GPIO_FN_D3_NAF3, GPIO_FN_D4_NAF4, GPIO_FN_D5_NAF5, - GPIO_FN_D6_NAF6, GPIO_FN_D7_NAF7, GPIO_FN_D8_NAF8, - GPIO_FN_D9_NAF9, GPIO_FN_D10_NAF10, GPIO_FN_D11_NAF11, - GPIO_FN_D12_NAF12, GPIO_FN_D13_NAF13, GPIO_FN_D14_NAF14, - GPIO_FN_D15_NAF15, - - /* SPU2 (PORT 65) */ - GPIO_FN_VINT_I, - - /* FLCTL (PORT 66, 68, 73) */ - GPIO_FN_FCE1, GPIO_FN_FCE0, GPIO_FN_FRB, - - /* HSI (PORT 76, 77, 78, 79, 80, 81, 82, 83) */ - GPIO_FN_GP_RX_FLAG, GPIO_FN_GP_RX_DATA, GPIO_FN_GP_TX_READY, - GPIO_FN_GP_RX_WAKE, GPIO_FN_MP_TX_FLAG, GPIO_FN_MP_TX_DATA, - GPIO_FN_MP_RX_READY, GPIO_FN_MP_TX_WAKE, - - /* - * MFI (PORT 76, 77, 78, 79, - * 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, - * 90, 91, 92, 93, 94, 95, 96, 97, 98, 99) - */ - GPIO_FN_MFIv6, /* see MSEL4CR 6 */ - GPIO_FN_MFIv4, /* see MSEL4CR 6 */ - - GPIO_FN_MEMC_CS0, GPIO_FN_MEMC_BUSCLK_MEMC_A0, - GPIO_FN_MEMC_CS1_MEMC_A1, GPIO_FN_MEMC_ADV_MEMC_DREQ0, - GPIO_FN_MEMC_WAIT_MEMC_DREQ1, GPIO_FN_MEMC_NOE, - GPIO_FN_MEMC_NWE, GPIO_FN_MEMC_INT, - - GPIO_FN_MEMC_AD0, GPIO_FN_MEMC_AD1, GPIO_FN_MEMC_AD2, - GPIO_FN_MEMC_AD3, GPIO_FN_MEMC_AD4, GPIO_FN_MEMC_AD5, - GPIO_FN_MEMC_AD6, GPIO_FN_MEMC_AD7, GPIO_FN_MEMC_AD8, - GPIO_FN_MEMC_AD9, GPIO_FN_MEMC_AD10, GPIO_FN_MEMC_AD11, - GPIO_FN_MEMC_AD12, GPIO_FN_MEMC_AD13, GPIO_FN_MEMC_AD14, - GPIO_FN_MEMC_AD15, - - /* SIM (PORT 94, 95, 98) */ - GPIO_FN_SIM_RST, GPIO_FN_SIM_CLK, GPIO_FN_SIM_D, - - /* TPU (PORT 93, 99, 112, 160, 161) */ - GPIO_FN_TPU0TO0, GPIO_FN_TPU0TO1, - GPIO_FN_TPU0TO2_93, GPIO_FN_TPU0TO2_99, - GPIO_FN_TPU0TO3, - - /* I2C2 (PORT 110, 111) */ - GPIO_FN_I2C_SCL2, GPIO_FN_I2C_SDA2, - - /* I2C3(1) (PORT 114, 115) */ - GPIO_FN_I2C_SCL3, GPIO_FN_I2C_SDA3, - - /* I2C3(2) (PORT 137, 145) */ - GPIO_FN_I2C_SCL3S, GPIO_FN_I2C_SDA3S, - - /* I2C4(2) (PORT 116, 117) */ - GPIO_FN_I2C_SCL4, GPIO_FN_I2C_SDA4, - - /* I2C4(2) (PORT 146, 147) */ - GPIO_FN_I2C_SCL4S, GPIO_FN_I2C_SDA4S, - - /* - * KEYSC (PORT 121, 122, 123, 124, 125, 126, 127, 128, 129, - * 130, 131, 132, 133, 134, 135, 136) - */ - GPIO_FN_KEYOUT0, GPIO_FN_KEYIN0_121, GPIO_FN_KEYIN0_136, - GPIO_FN_KEYOUT1, GPIO_FN_KEYIN1_122, GPIO_FN_KEYIN1_135, - GPIO_FN_KEYOUT2, GPIO_FN_KEYIN2_123, GPIO_FN_KEYIN2_134, - GPIO_FN_KEYOUT3, GPIO_FN_KEYIN3_124, GPIO_FN_KEYIN3_133, - GPIO_FN_KEYOUT4, GPIO_FN_KEYIN4, - GPIO_FN_KEYOUT5, GPIO_FN_KEYIN5, - GPIO_FN_KEYOUT6, GPIO_FN_KEYIN6, - GPIO_FN_KEYOUT7, GPIO_FN_KEYIN7, - - /* - * LCDC (PORT 121, 122, 123, 124, 125, 126, 127, 128, 129, - * 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, - * 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, - * 150, 151) - */ - GPIO_FN_LCDC0_SELECT, /* LCDC 0 */ - GPIO_FN_LCDC1_SELECT, /* LCDC 1 */ - GPIO_FN_LCDHSYN, GPIO_FN_LCDCS, GPIO_FN_LCDVSYN, - GPIO_FN_LCDDCK, GPIO_FN_LCDWR, GPIO_FN_LCDRD, - GPIO_FN_LCDDISP, GPIO_FN_LCDRS, GPIO_FN_LCDLCLK, - GPIO_FN_LCDDON, - - GPIO_FN_LCDD0, GPIO_FN_LCDD1, GPIO_FN_LCDD2, GPIO_FN_LCDD3, - GPIO_FN_LCDD4, GPIO_FN_LCDD5, GPIO_FN_LCDD6, GPIO_FN_LCDD7, - GPIO_FN_LCDD8, GPIO_FN_LCDD9, GPIO_FN_LCDD10, GPIO_FN_LCDD11, - GPIO_FN_LCDD12, GPIO_FN_LCDD13, GPIO_FN_LCDD14, GPIO_FN_LCDD15, - GPIO_FN_LCDD16, GPIO_FN_LCDD17, GPIO_FN_LCDD18, GPIO_FN_LCDD19, - GPIO_FN_LCDD20, GPIO_FN_LCDD21, GPIO_FN_LCDD22, GPIO_FN_LCDD23, - - /* IRDA (PORT 139, 140, 141, 142) */ - GPIO_FN_IRDA_OUT, GPIO_FN_IRDA_IN, GPIO_FN_IRDA_FIRSEL, - GPIO_FN_IROUT_139, GPIO_FN_IROUT_140, - - /* TSIF1 (PORT 156, 157, 158, 159) */ - GPIO_FN_TS0_1SELECT, /* TSIF0 - 1 select */ - GPIO_FN_TS0_2SELECT, /* TSIF0 - 2 select */ - GPIO_FN_TS1_1SELECT, /* TSIF1 - 1 select */ - GPIO_FN_TS1_2SELECT, /* TSIF1 - 2 select */ - - GPIO_FN_TS_SPSYNC1, GPIO_FN_TS_SDAT1, - GPIO_FN_TS_SDEN1, GPIO_FN_TS_SCK1, - - /* TSIF2 (PORT 137, 145, 146, 147) */ - GPIO_FN_TS_SPSYNC2, GPIO_FN_TS_SDAT2, - GPIO_FN_TS_SDEN2, GPIO_FN_TS_SCK2, - - /* HDMI (PORT 169, 170) */ - GPIO_FN_HDMI_HPD, GPIO_FN_HDMI_CEC, - - /* SDENC see MSEL4CR 19 */ - GPIO_FN_SDENC_CPG, - GPIO_FN_SDENC_DV_CLKI, -}; - /* DMA slave IDs */ enum { SHDMA_SLAVE_INVALID, diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c index 326a4ab0bd5f..3a6b6fe7b6c0 100644 --- a/arch/arm/mach-shmobile/setup-r8a7740.c +++ b/arch/arm/mach-shmobile/setup-r8a7740.c @@ -70,29 +70,15 @@ void __init r8a7740_map_io(void) } /* PFC */ -static struct resource r8a7740_pfc_resources[] = { - [0] = { - .start = 0xe6050000, - .end = 0xe6057fff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = 0xe605800c, - .end = 0xe605802b, - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device r8a7740_pfc_device = { - .name = "pfc-r8a7740", - .id = -1, - .resource = r8a7740_pfc_resources, - .num_resources = ARRAY_SIZE(r8a7740_pfc_resources), +static const struct resource pfc_resources[] = { + DEFINE_RES_MEM(0xe6050000, 0x8000), + DEFINE_RES_MEM(0xe605800c, 0x0020), }; void __init r8a7740_pinmux_init(void) { - platform_device_register(&r8a7740_pfc_device); + platform_device_register_simple("pfc-r8a7740", -1, pfc_resources, + ARRAY_SIZE(pfc_resources)); } static struct renesas_intc_irqpin_config irqpin0_platform_data = { diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index f5b2a57a330e..1b9b7f2a5016 100644 --- a/arch/arm/mach-shmobile/setup-r8a7778.c +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -24,6 +24,7 @@ #include <linux/irqchip/arm-gic.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/platform_data/gpio-rcar.h> #include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> #include <linux/irqchip.h> @@ -102,6 +103,52 @@ void __init r8a7778_add_ether_device(struct sh_eth_plat_data *pdata) pdata, sizeof(*pdata)); } +/* PFC/GPIO */ +static struct resource pfc_resources[] = { + DEFINE_RES_MEM(0xfffc0000, 0x118), +}; + +#define R8A7778_GPIO(idx) \ +static struct resource r8a7778_gpio##idx##_resources[] = { \ + DEFINE_RES_MEM(0xffc40000 + 0x1000 * (idx), 0x30), \ + DEFINE_RES_IRQ(gic_iid(0x87)), \ +}; \ + \ +static struct gpio_rcar_config r8a7778_gpio##idx##_platform_data = { \ + .gpio_base = 32 * (idx), \ + .irq_base = GPIO_IRQ_BASE(idx), \ + .number_of_pins = 32, \ + .pctl_name = "pfc-r8a7778", \ +} + +R8A7778_GPIO(0); +R8A7778_GPIO(1); +R8A7778_GPIO(2); +R8A7778_GPIO(3); +R8A7778_GPIO(4); + +#define r8a7778_register_gpio(idx) \ + platform_device_register_resndata( \ + &platform_bus, "gpio_rcar", idx, \ + r8a7778_gpio##idx##_resources, \ + ARRAY_SIZE(r8a7778_gpio##idx##_resources), \ + &r8a7778_gpio##idx##_platform_data, \ + sizeof(r8a7778_gpio##idx##_platform_data)) + +void __init r8a7778_pinmux_init(void) +{ + platform_device_register_simple( + "pfc-r8a7778", -1, + pfc_resources, + ARRAY_SIZE(pfc_resources)); + + r8a7778_register_gpio(0); + r8a7778_register_gpio(1); + r8a7778_register_gpio(2); + r8a7778_register_gpio(3); + r8a7778_register_gpio(4); +}; + /* SDHI */ static struct resource sdhi_resources[] = { /* SDHI0 */ diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index b0b394842ea5..dbb13f289e79 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -65,11 +65,7 @@ void __init r8a7779_map_io(void) } static struct resource r8a7779_pfc_resources[] = { - [0] = { - .start = 0xfffc0000, - .end = 0xfffc023b, - .flags = IORESOURCE_MEM, - }, + DEFINE_RES_MEM(0xfffc0000, 0x023c), }; static struct platform_device r8a7779_pfc_device = { @@ -81,15 +77,8 @@ static struct platform_device r8a7779_pfc_device = { #define R8A7779_GPIO(idx, npins) \ static struct resource r8a7779_gpio##idx##_resources[] = { \ - [0] = { \ - .start = 0xffc40000 + 0x1000 * (idx), \ - .end = 0xffc4002b + 0x1000 * (idx), \ - .flags = IORESOURCE_MEM, \ - }, \ - [1] = { \ - .start = gic_iid(0xad + (idx)), \ - .flags = IORESOURCE_IRQ, \ - } \ + DEFINE_RES_MEM(0xffc40000 + (0x1000 * (idx)), 0x002c), \ + DEFINE_RES_IRQ(gic_iid(0xad + (idx))), \ }; \ \ static struct gpio_rcar_config r8a7779_gpio##idx##_platform_data = { \ diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c index 49de2d56f86d..b461d93431ed 100644 --- a/arch/arm/mach-shmobile/setup-r8a7790.c +++ b/arch/arm/mach-shmobile/setup-r8a7790.c @@ -23,6 +23,7 @@ #include <linux/kernel.h> #include <linux/of_platform.h> #include <linux/serial_sci.h> +#include <linux/platform_data/gpio-rcar.h> #include <linux/platform_data/irq-renesas-irqc.h> #include <mach/common.h> #include <mach/irqs.h> @@ -31,13 +32,46 @@ static const struct resource pfc_resources[] = { DEFINE_RES_MEM(0xe6060000, 0x250), - DEFINE_RES_MEM(0xe6050000, 0x5050), }; +#define R8A7790_GPIO(idx) \ +static struct resource r8a7790_gpio##idx##_resources[] = { \ + DEFINE_RES_MEM(0xe6050000 + 0x1000 * (idx), 0x50), \ + DEFINE_RES_IRQ(gic_spi(4 + (idx))), \ +}; \ + \ +static struct gpio_rcar_config r8a7790_gpio##idx##_platform_data = { \ + .gpio_base = 32 * (idx), \ + .irq_base = 0, \ + .number_of_pins = 32, \ + .pctl_name = "pfc-r8a7790", \ + .has_both_edge_trigger = 1, \ +}; \ + +R8A7790_GPIO(0); +R8A7790_GPIO(1); +R8A7790_GPIO(2); +R8A7790_GPIO(3); +R8A7790_GPIO(4); +R8A7790_GPIO(5); + +#define r8a7790_register_gpio(idx) \ + platform_device_register_resndata(&platform_bus, "gpio_rcar", idx, \ + r8a7790_gpio##idx##_resources, \ + ARRAY_SIZE(r8a7790_gpio##idx##_resources), \ + &r8a7790_gpio##idx##_platform_data, \ + sizeof(r8a7790_gpio##idx##_platform_data)) + void __init r8a7790_pinmux_init(void) { platform_device_register_simple("pfc-r8a7790", -1, pfc_resources, ARRAY_SIZE(pfc_resources)); + r8a7790_register_gpio(0); + r8a7790_register_gpio(1); + r8a7790_register_gpio(2); + r8a7790_register_gpio(3); + r8a7790_register_gpio(4); + r8a7790_register_gpio(5); } #define SCIF_COMMON(scif_type, baseaddr, irq) \ diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c index c5028f1f3331..96e7ca1e4e11 100644 --- a/arch/arm/mach-shmobile/setup-sh73a0.c +++ b/arch/arm/mach-shmobile/setup-sh73a0.c @@ -252,7 +252,7 @@ static struct sh_timer_config cmt10_platform_data = { .name = "CMT10", .channel_offset = 0x10, .timer_bit = 0, - .clockevent_rating = 125, + .clockevent_rating = 80, .clocksource_rating = 125, }; diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index d259c782d742..5b045e302b43 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -1,5 +1,6 @@ config ARCH_SUNXI bool "Allwinner A1X SOCs" if ARCH_MULTI_V7 + select ARCH_REQUIRE_GPIOLIB select CLKSRC_MMIO select CLKSRC_OF select COMMON_CLK diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index 6a4387e39df8..b19b07204aaf 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -51,6 +51,7 @@ config MACH_MOP500 bool "U8500 Development platform, MOP500 versions" select I2C select I2C_NOMADIK + select REGULATOR select REGULATOR_FIXED_VOLTAGE select SOC_BUS select UX500_SOC_DB8500 diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index 3cd555ac6d0a..78389de94dde 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -623,7 +623,7 @@ static void __init mop500_init_machine(void) sdi0_reg_info.gpios[0].gpio = GPIO_SDMMC_1V8_3V_SEL; mop500_pinmaps_init(); - parent = u8500_init_devices(&ab8500_platdata); + parent = u8500_init_devices(); for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) mop500_platform_devs[i]->dev.parent = parent; @@ -660,7 +660,7 @@ static void __init snowball_init_machine(void) sdi0_reg_info.gpios[0].gpio = SNOWBALL_SDMMC_1V8_3V_GPIO; snowball_pinmaps_init(); - parent = u8500_init_devices(&ab8500_platdata); + parent = u8500_init_devices(); for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++) snowball_platform_devs[i]->dev.parent = parent; @@ -698,7 +698,7 @@ static void __init hrefv60_init_machine(void) sdi0_reg_info.gpios[0].gpio = HREFV60_SDMMC_1V8_3V_GPIO; hrefv60_pinmaps_init(); - parent = u8500_init_devices(&ab8500_platdata); + parent = u8500_init_devices(); for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) mop500_platform_devs[i]->dev.parent = parent; diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index e90b5ab23b6d..46cca52890bc 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -206,7 +206,7 @@ static struct device * __init db8500_soc_device_init(void) /* * This function is called from the board init */ -struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500) +struct device * __init u8500_init_devices(void) { struct device *parent; int i; @@ -220,8 +220,6 @@ struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500) for (i = 0; i < ARRAY_SIZE(platform_devs); i++) platform_devs[i]->dev.parent = parent; - db8500_prcmu_device.dev.platform_data = ab8500; - platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); return parent; @@ -278,7 +276,7 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("st,nomadik-i2c", 0x8012a000, "nmk-i2c.4", NULL), OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu", &db8500_prcmu_pdata), - OF_DEV_AUXDATA("smsc,lan9115", 0x50000000, "smsc911x", NULL), + OF_DEV_AUXDATA("smsc,lan9115", 0x50000000, "smsc911x.0", NULL), /* Requires device name bindings. */ OF_DEV_AUXDATA("stericsson,nmk-pinctrl", U8500_PRCMU_BASE, "pinctrl-db8500", NULL), diff --git a/arch/arm/mach-ux500/setup.h b/arch/arm/mach-ux500/setup.h index bddce2b49372..cad3ca86c540 100644 --- a/arch/arm/mach-ux500/setup.h +++ b/arch/arm/mach-ux500/setup.h @@ -18,7 +18,7 @@ void __init ux500_map_io(void); extern void __init u8500_map_io(void); -extern struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500); +extern struct device * __init u8500_init_devices(void); extern void __init ux500_init_irq(void); extern void __init ux500_init_late(void); diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig index 5907e10c37fd..b8bbabec6310 100644 --- a/arch/arm/mach-vexpress/Kconfig +++ b/arch/arm/mach-vexpress/Kconfig @@ -57,4 +57,13 @@ config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA config ARCH_VEXPRESS_CA9X4 bool "Versatile Express Cortex-A9x4 tile" +config ARCH_VEXPRESS_DCSCB + bool "Dual Cluster System Control Block (DCSCB) support" + depends on MCPM + select ARM_CCI + help + Support for the Dual Cluster System Configuration Block (DCSCB). + This is needed to provide CPU and cluster power management + on RTSM implementing big.LITTLE. + endmenu diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile index 42703e8b4d3b..48ba89a8149f 100644 --- a/arch/arm/mach-vexpress/Makefile +++ b/arch/arm/mach-vexpress/Makefile @@ -6,5 +6,6 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \ obj-y := v2m.o obj-$(CONFIG_ARCH_VEXPRESS_CA9X4) += ct-ca9x4.o +obj-$(CONFIG_ARCH_VEXPRESS_DCSCB) += dcscb.o dcscb_setup.o obj-$(CONFIG_SMP) += platsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o diff --git a/arch/arm/mach-vexpress/core.h b/arch/arm/mach-vexpress/core.h index f134cd4a85f1..bde4374ab6d5 100644 --- a/arch/arm/mach-vexpress/core.h +++ b/arch/arm/mach-vexpress/core.h @@ -6,6 +6,8 @@ void vexpress_dt_smp_map_io(void); +bool vexpress_smp_init_ops(void); + extern struct smp_operations vexpress_smp_ops; extern void vexpress_cpu_die(unsigned int cpu); diff --git a/arch/arm/mach-vexpress/dcscb.c b/arch/arm/mach-vexpress/dcscb.c new file mode 100644 index 000000000000..16d57a8a9d5a --- /dev/null +++ b/arch/arm/mach-vexpress/dcscb.c @@ -0,0 +1,253 @@ +/* + * arch/arm/mach-vexpress/dcscb.c - Dual Cluster System Configuration Block + * + * Created by: Nicolas Pitre, May 2012 + * Copyright: (C) 2012-2013 Linaro Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/spinlock.h> +#include <linux/errno.h> +#include <linux/of_address.h> +#include <linux/vexpress.h> +#include <linux/arm-cci.h> + +#include <asm/mcpm.h> +#include <asm/proc-fns.h> +#include <asm/cacheflush.h> +#include <asm/cputype.h> +#include <asm/cp15.h> + + +#define RST_HOLD0 0x0 +#define RST_HOLD1 0x4 +#define SYS_SWRESET 0x8 +#define RST_STAT0 0xc +#define RST_STAT1 0x10 +#define EAG_CFG_R 0x20 +#define EAG_CFG_W 0x24 +#define KFC_CFG_R 0x28 +#define KFC_CFG_W 0x2c +#define DCS_CFG_R 0x30 + +/* + * We can't use regular spinlocks. In the switcher case, it is possible + * for an outbound CPU to call power_down() while its inbound counterpart + * is already live using the same logical CPU number which trips lockdep + * debugging. + */ +static arch_spinlock_t dcscb_lock = __ARCH_SPIN_LOCK_UNLOCKED; + +static void __iomem *dcscb_base; +static int dcscb_use_count[4][2]; +static int dcscb_allcpus_mask[2]; + +static int dcscb_power_up(unsigned int cpu, unsigned int cluster) +{ + unsigned int rst_hold, cpumask = (1 << cpu); + unsigned int all_mask = dcscb_allcpus_mask[cluster]; + + pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster); + if (cpu >= 4 || cluster >= 2) + return -EINVAL; + + /* + * Since this is called with IRQs enabled, and no arch_spin_lock_irq + * variant exists, we need to disable IRQs manually here. + */ + local_irq_disable(); + arch_spin_lock(&dcscb_lock); + + dcscb_use_count[cpu][cluster]++; + if (dcscb_use_count[cpu][cluster] == 1) { + rst_hold = readl_relaxed(dcscb_base + RST_HOLD0 + cluster * 4); + if (rst_hold & (1 << 8)) { + /* remove cluster reset and add individual CPU's reset */ + rst_hold &= ~(1 << 8); + rst_hold |= all_mask; + } + rst_hold &= ~(cpumask | (cpumask << 4)); + writel_relaxed(rst_hold, dcscb_base + RST_HOLD0 + cluster * 4); + } else if (dcscb_use_count[cpu][cluster] != 2) { + /* + * The only possible values are: + * 0 = CPU down + * 1 = CPU (still) up + * 2 = CPU requested to be up before it had a chance + * to actually make itself down. + * Any other value is a bug. + */ + BUG(); + } + + arch_spin_unlock(&dcscb_lock); + local_irq_enable(); + + return 0; +} + +static void dcscb_power_down(void) +{ + unsigned int mpidr, cpu, cluster, rst_hold, cpumask, all_mask; + bool last_man = false, skip_wfi = false; + + mpidr = read_cpuid_mpidr(); + cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0); + cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); + cpumask = (1 << cpu); + all_mask = dcscb_allcpus_mask[cluster]; + + pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster); + BUG_ON(cpu >= 4 || cluster >= 2); + + __mcpm_cpu_going_down(cpu, cluster); + + arch_spin_lock(&dcscb_lock); + BUG_ON(__mcpm_cluster_state(cluster) != CLUSTER_UP); + dcscb_use_count[cpu][cluster]--; + if (dcscb_use_count[cpu][cluster] == 0) { + rst_hold = readl_relaxed(dcscb_base + RST_HOLD0 + cluster * 4); + rst_hold |= cpumask; + if (((rst_hold | (rst_hold >> 4)) & all_mask) == all_mask) { + rst_hold |= (1 << 8); + last_man = true; + } + writel_relaxed(rst_hold, dcscb_base + RST_HOLD0 + cluster * 4); + } else if (dcscb_use_count[cpu][cluster] == 1) { + /* + * A power_up request went ahead of us. + * Even if we do not want to shut this CPU down, + * the caller expects a certain state as if the WFI + * was aborted. So let's continue with cache cleaning. + */ + skip_wfi = true; + } else + BUG(); + + if (last_man && __mcpm_outbound_enter_critical(cpu, cluster)) { + arch_spin_unlock(&dcscb_lock); + + /* + * Flush all cache levels for this cluster. + * + * A15/A7 can hit in the cache with SCTLR.C=0, so we don't need + * a preliminary flush here for those CPUs. At least, that's + * the theory -- without the extra flush, Linux explodes on + * RTSM (to be investigated). + */ + flush_cache_all(); + set_cr(get_cr() & ~CR_C); + flush_cache_all(); + + /* + * This is a harmless no-op. On platforms with a real + * outer cache this might either be needed or not, + * depending on where the outer cache sits. + */ + outer_flush_all(); + + /* Disable local coherency by clearing the ACTLR "SMP" bit: */ + set_auxcr(get_auxcr() & ~(1 << 6)); + + /* + * Disable cluster-level coherency by masking + * incoming snoops and DVM messages: + */ + cci_disable_port_by_cpu(mpidr); + + __mcpm_outbound_leave_critical(cluster, CLUSTER_DOWN); + } else { + arch_spin_unlock(&dcscb_lock); + + /* + * Flush the local CPU cache. + * + * A15/A7 can hit in the cache with SCTLR.C=0, so we don't need + * a preliminary flush here for those CPUs. At least, that's + * the theory -- without the extra flush, Linux explodes on + * RTSM (to be investigated). + */ + flush_cache_louis(); + set_cr(get_cr() & ~CR_C); + flush_cache_louis(); + + /* Disable local coherency by clearing the ACTLR "SMP" bit: */ + set_auxcr(get_auxcr() & ~(1 << 6)); + } + + __mcpm_cpu_down(cpu, cluster); + + /* Now we are prepared for power-down, do it: */ + dsb(); + if (!skip_wfi) + wfi(); + + /* Not dead at this point? Let our caller cope. */ +} + +static const struct mcpm_platform_ops dcscb_power_ops = { + .power_up = dcscb_power_up, + .power_down = dcscb_power_down, +}; + +static void __init dcscb_usage_count_init(void) +{ + unsigned int mpidr, cpu, cluster; + + mpidr = read_cpuid_mpidr(); + cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0); + cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); + + pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster); + BUG_ON(cpu >= 4 || cluster >= 2); + dcscb_use_count[cpu][cluster] = 1; +} + +extern void dcscb_power_up_setup(unsigned int affinity_level); + +static int __init dcscb_init(void) +{ + struct device_node *node; + unsigned int cfg; + int ret; + + if (!cci_probed()) + return -ENODEV; + + node = of_find_compatible_node(NULL, NULL, "arm,rtsm,dcscb"); + if (!node) + return -ENODEV; + dcscb_base = of_iomap(node, 0); + if (!dcscb_base) + return -EADDRNOTAVAIL; + cfg = readl_relaxed(dcscb_base + DCS_CFG_R); + dcscb_allcpus_mask[0] = (1 << (((cfg >> 16) >> (0 << 2)) & 0xf)) - 1; + dcscb_allcpus_mask[1] = (1 << (((cfg >> 16) >> (1 << 2)) & 0xf)) - 1; + dcscb_usage_count_init(); + + ret = mcpm_platform_register(&dcscb_power_ops); + if (!ret) + ret = mcpm_sync_init(dcscb_power_up_setup); + if (ret) { + iounmap(dcscb_base); + return ret; + } + + pr_info("VExpress DCSCB support installed\n"); + + /* + * Future entries into the kernel can now go + * through the cluster entry vectors. + */ + vexpress_flags_set(virt_to_phys(mcpm_entry_point)); + + return 0; +} + +early_initcall(dcscb_init); diff --git a/arch/arm/mach-vexpress/dcscb_setup.S b/arch/arm/mach-vexpress/dcscb_setup.S new file mode 100644 index 000000000000..4bb7fbe0f621 --- /dev/null +++ b/arch/arm/mach-vexpress/dcscb_setup.S @@ -0,0 +1,38 @@ +/* + * arch/arm/include/asm/dcscb_setup.S + * + * Created by: Dave Martin, 2012-06-22 + * Copyright: (C) 2012-2013 Linaro Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/linkage.h> + + +ENTRY(dcscb_power_up_setup) + + cmp r0, #0 @ check affinity level + beq 2f + +/* + * Enable cluster-level coherency, in preparation for turning on the MMU. + * The ACTLR SMP bit does not need to be set here, because cpu_resume() + * already restores that. + * + * A15/A7 may not require explicit L2 invalidation on reset, dependent + * on hardware integration decisions. + * For now, this code assumes that L2 is either already invalidated, + * or invalidation is not required. + */ + + b cci_enable_port_for_self + +2: @ Implementation-specific local CPU setup operations should go here, + @ if any. In this case, there is nothing to do. + + bx lr + +ENDPROC(dcscb_power_up_setup) diff --git a/arch/arm/mach-vexpress/platsmp.c b/arch/arm/mach-vexpress/platsmp.c index dc1ace55d557..993c9ae5dc5e 100644 --- a/arch/arm/mach-vexpress/platsmp.c +++ b/arch/arm/mach-vexpress/platsmp.c @@ -12,9 +12,11 @@ #include <linux/errno.h> #include <linux/smp.h> #include <linux/io.h> +#include <linux/of.h> #include <linux/of_fdt.h> #include <linux/vexpress.h> +#include <asm/mcpm.h> #include <asm/smp_scu.h> #include <asm/mach/map.h> @@ -203,3 +205,21 @@ struct smp_operations __initdata vexpress_smp_ops = { .cpu_die = vexpress_cpu_die, #endif }; + +bool __init vexpress_smp_init_ops(void) +{ +#ifdef CONFIG_MCPM + /* + * The best way to detect a multi-cluster configuration at the moment + * is to look for the presence of a CCI in the system. + * Override the default vexpress_smp_ops if so. + */ + struct device_node *node; + node = of_find_compatible_node(NULL, NULL, "arm,cci-400"); + if (node && of_device_is_available(node)) { + mcpm_smp_set_ops(); + return true; + } +#endif + return false; +} diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index 8802030df98d..b0eccf7e06ec 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -456,6 +456,7 @@ static const char * const v2m_dt_match[] __initconst = { DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express") .dt_compat = v2m_dt_match, .smp = smp_ops(vexpress_smp_ops), + .smp_init = smp_init_ops(vexpress_smp_init_ops), .map_io = v2m_dt_map_io, .init_early = v2m_dt_init_early, .init_irq = irqchip_init, diff --git a/arch/arm/mach-virt/Makefile b/arch/arm/mach-virt/Makefile index 042afc1f8c44..7ddbfa60227f 100644 --- a/arch/arm/mach-virt/Makefile +++ b/arch/arm/mach-virt/Makefile @@ -3,4 +3,3 @@ # obj-y := virt.o -obj-$(CONFIG_SMP) += platsmp.o diff --git a/arch/arm/mach-virt/platsmp.c b/arch/arm/mach-virt/platsmp.c deleted file mode 100644 index f4143f5bfa5b..000000000000 --- a/arch/arm/mach-virt/platsmp.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Dummy Virtual Machine - does what it says on the tin. - * - * Copyright (C) 2012 ARM Ltd - * Author: Will Deacon <will.deacon@arm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/of.h> - -#include <asm/psci.h> -#include <asm/smp_plat.h> - -extern void secondary_startup(void); - -static void __init virt_smp_init_cpus(void) -{ -} - -static void __init virt_smp_prepare_cpus(unsigned int max_cpus) -{ -} - -static int __cpuinit virt_boot_secondary(unsigned int cpu, - struct task_struct *idle) -{ - if (psci_ops.cpu_on) - return psci_ops.cpu_on(cpu_logical_map(cpu), - __pa(secondary_startup)); - return -ENODEV; -} - -struct smp_operations __initdata virt_smp_ops = { - .smp_init_cpus = virt_smp_init_cpus, - .smp_prepare_cpus = virt_smp_prepare_cpus, - .smp_boot_secondary = virt_boot_secondary, -}; diff --git a/arch/arm/mach-virt/virt.c b/arch/arm/mach-virt/virt.c index 061f283f579e..a67d2dd5bb60 100644 --- a/arch/arm/mach-virt/virt.c +++ b/arch/arm/mach-virt/virt.c @@ -36,11 +36,8 @@ static const char *virt_dt_match[] = { NULL }; -extern struct smp_operations virt_smp_ops; - DT_MACHINE_START(VIRT, "Dummy Virtual Machine") .init_irq = irqchip_init, .init_machine = virt_init, - .smp = smp_ops(virt_smp_ops), .dt_compat = virt_dt_match, MACHINE_END diff --git a/arch/arm/mach-vt8500/vt8500.c b/arch/arm/mach-vt8500/vt8500.c index 1dd281efc020..f5c33df7a597 100644 --- a/arch/arm/mach-vt8500/vt8500.c +++ b/arch/arm/mach-vt8500/vt8500.c @@ -173,6 +173,7 @@ static const char * const vt8500_dt_compat[] = { "wm,wm8505", "wm,wm8750", "wm,wm8850", + NULL }; DT_MACHINE_START(WMT_DT, "VIA/Wondermedia SoC (Device Tree Support)") diff --git a/arch/arm/mach-zynq/slcr.c b/arch/arm/mach-zynq/slcr.c index c70969b9c258..50d008d8f87f 100644 --- a/arch/arm/mach-zynq/slcr.c +++ b/arch/arm/mach-zynq/slcr.c @@ -117,7 +117,7 @@ int __init zynq_slcr_init(void) pr_info("%s mapped to %p\n", np->name, zynq_slcr_base); - xilinx_zynq_clocks_init(zynq_slcr_base); + zynq_clock_init(zynq_slcr_base); of_node_put(np); diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 35955b54944c..9e8101ecd63e 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -397,6 +397,15 @@ config CPU_V7 select CPU_PABRT_V7 select CPU_TLB_V7 if MMU +# ARMv7M +config CPU_V7M + bool + select CPU_32v7M + select CPU_ABRT_NOMMU + select CPU_CACHE_NOP + select CPU_PABRT_LEGACY + select CPU_THUMBONLY + config CPU_THUMBONLY bool # There are no CPUs available with MMU that don't implement an ARM ISA: @@ -441,6 +450,9 @@ config CPU_32v6K config CPU_32v7 bool +config CPU_32v7M + bool + # The abort model config CPU_ABRT_NOMMU bool @@ -491,6 +503,9 @@ config CPU_CACHE_V6 config CPU_CACHE_V7 bool +config CPU_CACHE_NOP + bool + config CPU_CACHE_VIVT bool @@ -613,7 +628,11 @@ config ARCH_DMA_ADDR_T_64BIT config ARM_THUMB bool "Support Thumb user binaries" if !CPU_THUMBONLY - depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V6K || CPU_V7 || CPU_FEROCEON + depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || \ + CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || \ + CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \ + CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V6K || \ + CPU_V7 || CPU_FEROCEON || CPU_V7M default y help Say Y if you want to include kernel support for running user space diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index 9e51be96f635..ee558a01f390 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -39,6 +39,7 @@ obj-$(CONFIG_CPU_CACHE_V4WB) += cache-v4wb.o obj-$(CONFIG_CPU_CACHE_V6) += cache-v6.o obj-$(CONFIG_CPU_CACHE_V7) += cache-v7.o obj-$(CONFIG_CPU_CACHE_FA) += cache-fa.o +obj-$(CONFIG_CPU_CACHE_NOP) += cache-nop.o AFLAGS_cache-v6.o :=-Wa,-march=armv6 AFLAGS_cache-v7.o :=-Wa,-march=armv7-a @@ -87,6 +88,7 @@ obj-$(CONFIG_CPU_FEROCEON) += proc-feroceon.o obj-$(CONFIG_CPU_V6) += proc-v6.o obj-$(CONFIG_CPU_V6K) += proc-v6.o obj-$(CONFIG_CPU_V7) += proc-v7.o +obj-$(CONFIG_CPU_V7M) += proc-v7m.o AFLAGS_proc-v6.o :=-Wa,-march=armv6 AFLAGS_proc-v7.o :=-Wa,-march=armv7-a diff --git a/arch/arm/mm/cache-nop.S b/arch/arm/mm/cache-nop.S new file mode 100644 index 000000000000..8e12ddca0031 --- /dev/null +++ b/arch/arm/mm/cache-nop.S @@ -0,0 +1,50 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/linkage.h> +#include <linux/init.h> + +#include "proc-macros.S" + +ENTRY(nop_flush_icache_all) + mov pc, lr +ENDPROC(nop_flush_icache_all) + + .globl nop_flush_kern_cache_all + .equ nop_flush_kern_cache_all, nop_flush_icache_all + + .globl nop_flush_kern_cache_louis + .equ nop_flush_kern_cache_louis, nop_flush_icache_all + + .globl nop_flush_user_cache_all + .equ nop_flush_user_cache_all, nop_flush_icache_all + + .globl nop_flush_user_cache_range + .equ nop_flush_user_cache_range, nop_flush_icache_all + + .globl nop_coherent_kern_range + .equ nop_coherent_kern_range, nop_flush_icache_all + +ENTRY(nop_coherent_user_range) + mov r0, 0 + mov pc, lr +ENDPROC(nop_coherent_user_range) + + .globl nop_flush_kern_dcache_area + .equ nop_flush_kern_dcache_area, nop_flush_icache_all + + .globl nop_dma_flush_range + .equ nop_dma_flush_range, nop_flush_icache_all + + .globl nop_dma_map_area + .equ nop_dma_map_area, nop_flush_icache_all + + .globl nop_dma_unmap_area + .equ nop_dma_unmap_area, nop_flush_icache_all + + __INITDATA + + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) + define_cache_functions nop diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index d51225f90ae2..dd3a6c670f08 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -20,12 +20,19 @@ void __init arm_mm_memblock_reserve(void) { +#ifndef CONFIG_CPU_V7M /* * Register the exception vector page. * some architectures which the DRAM is the exception vector to trap, * alloc_page breaks with error, although it is not NULL, but "0." */ memblock_reserve(CONFIG_VECTORS_BASE, PAGE_SIZE); +#else /* ifndef CONFIG_CPU_V7M */ + /* + * There is no dedicated vector page on V7-M. So nothing needs to be + * reserved here. + */ +#endif } void __init sanity_check_meminfo(void) diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S new file mode 100644 index 000000000000..0c93588fcb91 --- /dev/null +++ b/arch/arm/mm/proc-v7m.S @@ -0,0 +1,157 @@ +/* + * linux/arch/arm/mm/proc-v7m.S + * + * Copyright (C) 2008 ARM Ltd. + * Copyright (C) 2001 Deep Blue Solutions Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This is the "shell" of the ARMv7-M processor support. + */ +#include <linux/linkage.h> +#include <asm/assembler.h> +#include <asm/v7m.h> +#include "proc-macros.S" + +ENTRY(cpu_v7m_proc_init) + mov pc, lr +ENDPROC(cpu_v7m_proc_init) + +ENTRY(cpu_v7m_proc_fin) + mov pc, lr +ENDPROC(cpu_v7m_proc_fin) + +/* + * cpu_v7m_reset(loc) + * + * Perform a soft reset of the system. Put the CPU into the + * same state as it would be if it had been reset, and branch + * to what would be the reset vector. + * + * - loc - location to jump to for soft reset + */ + .align 5 +ENTRY(cpu_v7m_reset) + mov pc, r0 +ENDPROC(cpu_v7m_reset) + +/* + * cpu_v7m_do_idle() + * + * Idle the processor (eg, wait for interrupt). + * + * IRQs are already disabled. + */ +ENTRY(cpu_v7m_do_idle) + wfi + mov pc, lr +ENDPROC(cpu_v7m_do_idle) + +ENTRY(cpu_v7m_dcache_clean_area) + mov pc, lr +ENDPROC(cpu_v7m_dcache_clean_area) + +/* + * There is no MMU, so here is nothing to do. + */ +ENTRY(cpu_v7m_switch_mm) + mov pc, lr +ENDPROC(cpu_v7m_switch_mm) + +.globl cpu_v7m_suspend_size +.equ cpu_v7m_suspend_size, 0 + +#ifdef CONFIG_ARM_CPU_SUSPEND +ENTRY(cpu_v7m_do_suspend) + mov pc, lr +ENDPROC(cpu_v7m_do_suspend) + +ENTRY(cpu_v7m_do_resume) + mov pc, lr +ENDPROC(cpu_v7m_do_resume) +#endif + + .section ".text.init", #alloc, #execinstr + +/* + * __v7m_setup + * + * This should be able to cover all ARMv7-M cores. + */ +__v7m_setup: + @ Configure the vector table base address + ldr r0, =BASEADDR_V7M_SCB + ldr r12, =vector_table + str r12, [r0, V7M_SCB_VTOR] + + @ enable UsageFault, BusFault and MemManage fault. + ldr r5, [r0, #V7M_SCB_SHCSR] + orr r5, #(V7M_SCB_SHCSR_USGFAULTENA | V7M_SCB_SHCSR_BUSFAULTENA | V7M_SCB_SHCSR_MEMFAULTENA) + str r5, [r0, #V7M_SCB_SHCSR] + + @ Lower the priority of the SVC and PendSV exceptions + mov r5, #0x80000000 + str r5, [r0, V7M_SCB_SHPR2] @ set SVC priority + mov r5, #0x00800000 + str r5, [r0, V7M_SCB_SHPR3] @ set PendSV priority + + @ SVC to run the kernel in this mode + adr r1, BSYM(1f) + ldr r5, [r12, #11 * 4] @ read the SVC vector entry + str r1, [r12, #11 * 4] @ write the temporary SVC vector entry + mov r6, lr @ save LR + mov r7, sp @ save SP + ldr sp, =__v7m_setup_stack_top + cpsie i + svc #0 +1: cpsid i + str r5, [r12, #11 * 4] @ restore the original SVC vector entry + mov lr, r6 @ restore LR + mov sp, r7 @ restore SP + + @ Special-purpose control register + mov r1, #1 + msr control, r1 @ Thread mode has unpriviledged access + + @ Configure the System Control Register to ensure 8-byte stack alignment + @ Note the STKALIGN bit is either RW or RAO. + ldr r12, [r0, V7M_SCB_CCR] @ system control register + orr r12, #V7M_SCB_CCR_STKALIGN + str r12, [r0, V7M_SCB_CCR] + mov pc, lr +ENDPROC(__v7m_setup) + + define_processor_functions v7m, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1 + + .section ".rodata" + string cpu_arch_name, "armv7m" + string cpu_elf_name "v7m" + string cpu_v7m_name "ARMv7-M" + + .section ".proc.info.init", #alloc, #execinstr + + /* + * Match any ARMv7-M processor core. + */ + .type __v7m_proc_info, #object +__v7m_proc_info: + .long 0x000f0000 @ Required ID value + .long 0x000f0000 @ Mask for ID + .long 0 @ proc_info_list.__cpu_mm_mmu_flags + .long 0 @ proc_info_list.__cpu_io_mmu_flags + b __v7m_setup @ proc_info_list.__cpu_flush + .long cpu_arch_name + .long cpu_elf_name + .long HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT + .long cpu_v7m_name + .long v7m_processor_functions @ proc_info_list.proc + .long 0 @ proc_info_list.tlb + .long 0 @ proc_info_list.user + .long nop_cache_fns @ proc_info_list.cache + .size __v7m_proc_info, . - __v7m_proc_info + +__v7m_setup_stack: + .space 4 * 8 @ 8 registers +__v7m_setup_stack_top: diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index 251f827271e9..c019b7aaf776 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -383,7 +383,7 @@ static struct resource orion_ge10_shared_resources[] = { static struct platform_device orion_ge10_shared = { .name = MV643XX_ETH_SHARED_NAME, - .id = 1, + .id = 2, .dev = { .platform_data = &orion_ge10_shared_data, }, @@ -398,8 +398,8 @@ static struct resource orion_ge10_resources[] = { static struct platform_device orion_ge10 = { .name = MV643XX_ETH_NAME, - .id = 1, - .num_resources = 2, + .id = 2, + .num_resources = 1, .resource = orion_ge10_resources, .dev = { .coherent_dma_mask = DMA_BIT_MASK(32), @@ -432,7 +432,7 @@ static struct resource orion_ge11_shared_resources[] = { static struct platform_device orion_ge11_shared = { .name = MV643XX_ETH_SHARED_NAME, - .id = 1, + .id = 3, .dev = { .platform_data = &orion_ge11_shared_data, }, @@ -447,8 +447,8 @@ static struct resource orion_ge11_resources[] = { static struct platform_device orion_ge11 = { .name = MV643XX_ETH_NAME, - .id = 1, - .num_resources = 2, + .id = 3, + .num_resources = 1, .resource = orion_ge11_resources, .dev = { .coherent_dma_mask = DMA_BIT_MASK(32), diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h index e06fc5fefa14..d9a24f605a2b 100644 --- a/arch/arm/plat-orion/include/plat/common.h +++ b/arch/arm/plat-orion/include/plat/common.h @@ -10,6 +10,7 @@ #ifndef __PLAT_COMMON_H #include <linux/mv643xx_eth.h> +#include <linux/platform_data/usb-ehci-orion.h> struct dsa_platform_data; struct mv_sata_platform_data; diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S index 323ce1a62bbf..46e17492fd1f 100644 --- a/arch/arm/vfp/entry.S +++ b/arch/arm/vfp/entry.S @@ -60,7 +60,7 @@ ENTRY(vfp_testing_entry) str r11, [r10, #TI_PREEMPT] #endif ldr r0, VFP_arch_address - str r5, [r0] @ known non-zero value + str r0, [r0] @ set to non-zero value mov pc, r9 @ we have handled the fault ENDPROC(vfp_testing_entry) diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig index bdc35589277f..549903cfc2cb 100644 --- a/arch/avr32/Kconfig +++ b/arch/avr32/Kconfig @@ -205,6 +205,11 @@ config ARCH_DISCONTIGMEM_ENABLE config ARCH_SPARSEMEM_ENABLE def_bool n +config NODES_SHIFT + int + default "2" + depends on NEED_MULTIPLE_NODES + source "mm/Kconfig" config OWNERSHIP_TRACE diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index 4dd4f78d3dcc..d22af851f3f6 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -2,3 +2,4 @@ generic-y += clkdev.h generic-y += exec.h generic-y += trace_clock.h +generic-y += param.h diff --git a/arch/avr32/include/asm/numnodes.h b/arch/avr32/include/asm/numnodes.h deleted file mode 100644 index 0b864d7ce330..000000000000 --- a/arch/avr32/include/asm/numnodes.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __ASM_AVR32_NUMNODES_H -#define __ASM_AVR32_NUMNODES_H - -/* Max 4 nodes */ -#define NODES_SHIFT 2 - -#endif /* __ASM_AVR32_NUMNODES_H */ diff --git a/arch/avr32/include/asm/param.h b/arch/avr32/include/asm/param.h deleted file mode 100644 index 009a167aea1f..000000000000 --- a/arch/avr32/include/asm/param.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef __ASM_AVR32_PARAM_H -#define __ASM_AVR32_PARAM_H - -#include <uapi/asm/param.h> - -# define HZ CONFIG_HZ -# define USER_HZ 100 /* User interfaces are in "ticks" */ -# define CLOCKS_PER_SEC (USER_HZ) /* frequency at which times() counts */ -#endif /* __ASM_AVR32_PARAM_H */ diff --git a/arch/avr32/include/uapi/asm/Kbuild b/arch/avr32/include/uapi/asm/Kbuild index df53e7a46774..3b85eaddf525 100644 --- a/arch/avr32/include/uapi/asm/Kbuild +++ b/arch/avr32/include/uapi/asm/Kbuild @@ -33,3 +33,4 @@ header-y += termbits.h header-y += termios.h header-y += types.h header-y += unistd.h +generic-y += param.h diff --git a/arch/avr32/include/uapi/asm/param.h b/arch/avr32/include/uapi/asm/param.h deleted file mode 100644 index d28aa5ee6d37..000000000000 --- a/arch/avr32/include/uapi/asm/param.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef _UAPI__ASM_AVR32_PARAM_H -#define _UAPI__ASM_AVR32_PARAM_H - - -#ifndef HZ -# define HZ 100 -#endif - -/* TODO: Should be configurable */ -#define EXEC_PAGESIZE 4096 - -#ifndef NOGROUP -# define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 - -#endif /* _UAPI__ASM_AVR32_PARAM_H */ diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c index 596f7305d93f..2c9412908024 100644 --- a/arch/avr32/kernel/module.c +++ b/arch/avr32/kernel/module.c @@ -264,7 +264,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, break; case R_AVR32_GOT18SW: if ((relocation & 0xfffe0003) != 0 - && (relocation & 0xfffc0003) != 0xffff0000) + && (relocation & 0xfffc0000) != 0xfffc0000) return reloc_overflow(module, "R_AVR32_GOT18SW", relocation); relocation >>= 2; diff --git a/arch/mips/alchemy/board-gpr.c b/arch/mips/alchemy/board-gpr.c index cb0f6afb7389..9edc35ff8cf1 100644 --- a/arch/mips/alchemy/board-gpr.c +++ b/arch/mips/alchemy/board-gpr.c @@ -31,6 +31,7 @@ #include <linux/i2c.h> #include <linux/i2c-gpio.h> #include <asm/bootinfo.h> +#include <asm/idle.h> #include <asm/reboot.h> #include <asm/mach-au1x00/au1000.h> #include <prom.h> diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c index 38afb11ba2c4..93fa586d52e2 100644 --- a/arch/mips/alchemy/common/time.c +++ b/arch/mips/alchemy/common/time.c @@ -36,6 +36,7 @@ #include <linux/interrupt.h> #include <linux/spinlock.h> +#include <asm/idle.h> #include <asm/processor.h> #include <asm/time.h> #include <asm/mach-au1x00/au1000.h> diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c index a0233a2c1988..8be4e856b8b8 100644 --- a/arch/mips/ath79/setup.c +++ b/arch/mips/ath79/setup.c @@ -19,6 +19,7 @@ #include <linux/clk.h> #include <asm/bootinfo.h> +#include <asm/idle.h> #include <asm/time.h> /* for mips_hpt_frequency */ #include <asm/reboot.h> /* for _machine_{restart,halt} */ #include <asm/mips_machine.h> diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c index 516b4428df4e..4eedd481dd00 100644 --- a/arch/mips/cobalt/reset.c +++ b/arch/mips/cobalt/reset.c @@ -12,6 +12,7 @@ #include <linux/io.h> #include <linux/leds.h> +#include <asm/idle.h> #include <asm/processor.h> #include <cobalt.h> diff --git a/arch/mips/configs/db1000_defconfig b/arch/mips/configs/db1000_defconfig index face9d26e6d5..bac26b971c5e 100644 --- a/arch/mips/configs/db1000_defconfig +++ b/arch/mips/configs/db1000_defconfig @@ -228,7 +228,6 @@ CONFIG_HIDRAW=y CONFIG_USB_HID=y CONFIG_USB_SUPPORT=y CONFIG_USB=y -CONFIG_USB_SUSPEND=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_ROOT_HUB_TT=y CONFIG_USB_EHCI_TT_NEWSCHED=y diff --git a/arch/mips/configs/db1235_defconfig b/arch/mips/configs/db1235_defconfig index 14752dde7540..e2b4ad55462f 100644 --- a/arch/mips/configs/db1235_defconfig +++ b/arch/mips/configs/db1235_defconfig @@ -344,7 +344,6 @@ CONFIG_UHID=y CONFIG_USB_HIDDEV=y CONFIG_USB=y CONFIG_USB_DYNAMIC_MINORS=y -CONFIG_USB_SUSPEND=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_HCD_PLATFORM=y CONFIG_USB_EHCI_ROOT_HUB_TT=y diff --git a/arch/mips/configs/lemote2f_defconfig b/arch/mips/configs/lemote2f_defconfig index b6acd2f256b6..343bebc4b63b 100644 --- a/arch/mips/configs/lemote2f_defconfig +++ b/arch/mips/configs/lemote2f_defconfig @@ -300,7 +300,6 @@ CONFIG_USB=y CONFIG_USB_DEVICEFS=y # CONFIG_USB_DEVICE_CLASS is not set CONFIG_USB_DYNAMIC_MINORS=y -CONFIG_USB_SUSPEND=y CONFIG_USB_OTG_WHITELIST=y CONFIG_USB_MON=y CONFIG_USB_EHCI_HCD=y diff --git a/arch/mips/include/asm/clock.h b/arch/mips/include/asm/clock.h index c9456e7a7283..778e32d817bc 100644 --- a/arch/mips/include/asm/clock.h +++ b/arch/mips/include/asm/clock.h @@ -6,8 +6,6 @@ #include <linux/seq_file.h> #include <linux/clk.h> -extern void (*cpu_wait) (void); - struct clk; struct clk_ops { diff --git a/arch/mips/include/asm/idle.h b/arch/mips/include/asm/idle.h new file mode 100644 index 000000000000..d192158886b1 --- /dev/null +++ b/arch/mips/include/asm/idle.h @@ -0,0 +1,23 @@ +#ifndef __ASM_IDLE_H +#define __ASM_IDLE_H + +#include <linux/linkage.h> + +extern void (*cpu_wait)(void); +extern void r4k_wait(void); +extern asmlinkage void __r4k_wait(void); +extern void r4k_wait_irqoff(void); +extern void __pastwait(void); + +static inline int using_rollback_handler(void) +{ + return cpu_wait == r4k_wait; +} + +static inline int address_is_in_r4k_wait_irqoff(unsigned long addr) +{ + return addr >= (unsigned long)r4k_wait_irqoff && + addr < (unsigned long)__pastwait; +} + +#endif /* __ASM_IDLE_H */ diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index ec1ca537fbc1..f59552fae917 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -171,14 +171,13 @@ typedef struct { unsigned long pgprot; } pgprot_t; #ifdef CONFIG_FLATMEM -#define pfn_valid(pfn) \ -({ \ - unsigned long __pfn = (pfn); \ - /* avoid <linux/bootmem.h> include hell */ \ - extern unsigned long min_low_pfn; \ - \ - __pfn >= min_low_pfn && __pfn < max_mapnr; \ -}) +static inline int pfn_valid(unsigned long pfn) +{ + /* avoid <linux/mm.h> include hell */ + extern unsigned long max_mapnr; + + return pfn >= ARCH_PFN_OFFSET && pfn < max_mapnr; +} #elif defined(CONFIG_SPARSEMEM) diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index 71686c897dea..1470b7b68b0e 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -28,7 +28,6 @@ /* * System setup and hardware flags.. */ -extern void (*cpu_wait)(void); extern unsigned int vced_count, vcei_count; diff --git a/arch/mips/include/asm/kvm.h b/arch/mips/include/uapi/asm/kvm.h index 85789eacbf18..85789eacbf18 100644 --- a/arch/mips/include/asm/kvm.h +++ b/arch/mips/include/uapi/asm/kvm.h diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h index 16338b84fa79..1dee279f9665 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -694,16 +694,17 @@ #define __NR_process_vm_writev (__NR_Linux + 305) #define __NR_kcmp (__NR_Linux + 306) #define __NR_finit_module (__NR_Linux + 307) +#define __NR_getdents64 (__NR_Linux + 308) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 307 +#define __NR_Linux_syscalls 308 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 307 +#define __NR_64_Linux_syscalls 308 #if _MIPS_SIM == _MIPS_SIM_NABI32 diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 6ad9e04bdf62..423d871a946b 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -4,7 +4,7 @@ extra-y := head.o vmlinux.lds -obj-y += cpu-probe.o branch.o entry.o genex.o irq.o process.o \ +obj-y += cpu-probe.o branch.o entry.o genex.o idle.o irq.o process.o \ prom.o ptrace.o reset.o setup.o signal.o syscall.o \ time.o topology.o traps.o unaligned.o watch.o vdso.o diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 4bbffdb9024f..c6568bf4b1b0 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -27,105 +27,6 @@ #include <asm/spram.h> #include <asm/uaccess.h> -/* - * Not all of the MIPS CPUs have the "wait" instruction available. Moreover, - * the implementation of the "wait" feature differs between CPU families. This - * points to the function that implements CPU specific wait. - * The wait instruction stops the pipeline and reduces the power consumption of - * the CPU very much. - */ -void (*cpu_wait)(void); -EXPORT_SYMBOL(cpu_wait); - -static void r3081_wait(void) -{ - unsigned long cfg = read_c0_conf(); - write_c0_conf(cfg | R30XX_CONF_HALT); -} - -static void r39xx_wait(void) -{ - local_irq_disable(); - if (!need_resched()) - write_c0_conf(read_c0_conf() | TX39_CONF_HALT); - local_irq_enable(); -} - -extern void r4k_wait(void); - -/* - * This variant is preferable as it allows testing need_resched and going to - * sleep depending on the outcome atomically. Unfortunately the "It is - * implementation-dependent whether the pipeline restarts when a non-enabled - * interrupt is requested" restriction in the MIPS32/MIPS64 architecture makes - * using this version a gamble. - */ -void r4k_wait_irqoff(void) -{ - local_irq_disable(); - if (!need_resched()) - __asm__(" .set push \n" - " .set mips3 \n" - " wait \n" - " .set pop \n"); - local_irq_enable(); - __asm__(" .globl __pastwait \n" - "__pastwait: \n"); -} - -/* - * The RM7000 variant has to handle erratum 38. The workaround is to not - * have any pending stores when the WAIT instruction is executed. - */ -static void rm7k_wait_irqoff(void) -{ - local_irq_disable(); - if (!need_resched()) - __asm__( - " .set push \n" - " .set mips3 \n" - " .set noat \n" - " mfc0 $1, $12 \n" - " sync \n" - " mtc0 $1, $12 # stalls until W stage \n" - " wait \n" - " mtc0 $1, $12 # stalls until W stage \n" - " .set pop \n"); - local_irq_enable(); -} - -/* - * The Au1xxx wait is available only if using 32khz counter or - * external timer source, but specifically not CP0 Counter. - * alchemy/common/time.c may override cpu_wait! - */ -static void au1k_wait(void) -{ - __asm__(" .set mips3 \n" - " cache 0x14, 0(%0) \n" - " cache 0x14, 32(%0) \n" - " sync \n" - " nop \n" - " wait \n" - " nop \n" - " nop \n" - " nop \n" - " nop \n" - " .set mips0 \n" - : : "r" (au1k_wait)); -} - -static int __initdata nowait; - -static int __init wait_disable(char *s) -{ - nowait = 1; - - return 1; -} - -__setup("nowait", wait_disable); - static int __cpuinitdata mips_fpu_disabled; static int __init fpu_disable(char *s) @@ -150,105 +51,6 @@ static int __init dsp_disable(char *s) __setup("nodsp", dsp_disable); -void __init check_wait(void) -{ - struct cpuinfo_mips *c = ¤t_cpu_data; - - if (nowait) { - printk("Wait instruction disabled.\n"); - return; - } - - switch (c->cputype) { - case CPU_R3081: - case CPU_R3081E: - cpu_wait = r3081_wait; - break; - case CPU_TX3927: - cpu_wait = r39xx_wait; - break; - case CPU_R4200: -/* case CPU_R4300: */ - case CPU_R4600: - case CPU_R4640: - case CPU_R4650: - case CPU_R4700: - case CPU_R5000: - case CPU_R5500: - case CPU_NEVADA: - case CPU_4KC: - case CPU_4KEC: - case CPU_4KSC: - case CPU_5KC: - case CPU_25KF: - case CPU_PR4450: - case CPU_BMIPS3300: - case CPU_BMIPS4350: - case CPU_BMIPS4380: - case CPU_BMIPS5000: - case CPU_CAVIUM_OCTEON: - case CPU_CAVIUM_OCTEON_PLUS: - case CPU_CAVIUM_OCTEON2: - case CPU_JZRISC: - case CPU_LOONGSON1: - case CPU_XLR: - case CPU_XLP: - cpu_wait = r4k_wait; - break; - - case CPU_RM7000: - cpu_wait = rm7k_wait_irqoff; - break; - - case CPU_M14KC: - case CPU_M14KEC: - case CPU_24K: - case CPU_34K: - case CPU_1004K: - cpu_wait = r4k_wait; - if (read_c0_config7() & MIPS_CONF7_WII) - cpu_wait = r4k_wait_irqoff; - break; - - case CPU_74K: - cpu_wait = r4k_wait; - if ((c->processor_id & 0xff) >= PRID_REV_ENCODE_332(2, 1, 0)) - cpu_wait = r4k_wait_irqoff; - break; - - case CPU_TX49XX: - cpu_wait = r4k_wait_irqoff; - break; - case CPU_ALCHEMY: - cpu_wait = au1k_wait; - break; - case CPU_20KC: - /* - * WAIT on Rev1.0 has E1, E2, E3 and E16. - * WAIT on Rev2.0 and Rev3.0 has E16. - * Rev3.1 WAIT is nop, why bother - */ - if ((c->processor_id & 0xff) <= 0x64) - break; - - /* - * Another rev is incremeting c0_count at a reduced clock - * rate while in WAIT mode. So we basically have the choice - * between using the cp0 timer as clocksource or avoiding - * the WAIT instruction. Until more details are known, - * disable the use of WAIT for 20Kc entirely. - cpu_wait = r4k_wait; - */ - break; - case CPU_RM9000: - if ((c->processor_id & 0x00ff) >= 0x40) - cpu_wait = r4k_wait; - break; - default: - break; - } -} - static inline void check_errata(void) { struct cpuinfo_mips *c = ¤t_cpu_data; diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index 9098829bfcb0..31fa856829cb 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -122,7 +122,7 @@ handle_vcei: __FINIT .align 5 /* 32 byte rollback region */ -LEAF(r4k_wait) +LEAF(__r4k_wait) .set push .set noreorder /* start of rollback region */ @@ -146,14 +146,14 @@ LEAF(r4k_wait) jr ra nop .set pop - END(r4k_wait) + END(__r4k_wait) .macro BUILD_ROLLBACK_PROLOGUE handler FEXPORT(rollback_\handler) .set push .set noat MFC0 k0, CP0_EPC - PTR_LA k1, r4k_wait + PTR_LA k1, __r4k_wait ori k0, 0x1f /* 32 byte rollback region */ xori k0, 0x1f bne k0, k1, 9f diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c new file mode 100644 index 000000000000..3b09b888afa9 --- /dev/null +++ b/arch/mips/kernel/idle.c @@ -0,0 +1,244 @@ +/* + * MIPS idle loop and WAIT instruction support. + * + * Copyright (C) xxxx the Anonymous + * Copyright (C) 1994 - 2006 Ralf Baechle + * Copyright (C) 2003, 2004 Maciej W. Rozycki + * Copyright (C) 2001, 2004, 2011, 2012 MIPS Technologies, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <linux/export.h> +#include <linux/init.h> +#include <linux/irqflags.h> +#include <linux/printk.h> +#include <linux/sched.h> +#include <asm/cpu.h> +#include <asm/cpu-info.h> +#include <asm/idle.h> +#include <asm/mipsregs.h> + +/* + * Not all of the MIPS CPUs have the "wait" instruction available. Moreover, + * the implementation of the "wait" feature differs between CPU families. This + * points to the function that implements CPU specific wait. + * The wait instruction stops the pipeline and reduces the power consumption of + * the CPU very much. + */ +void (*cpu_wait)(void); +EXPORT_SYMBOL(cpu_wait); + +static void r3081_wait(void) +{ + unsigned long cfg = read_c0_conf(); + write_c0_conf(cfg | R30XX_CONF_HALT); + local_irq_enable(); +} + +static void r39xx_wait(void) +{ + if (!need_resched()) + write_c0_conf(read_c0_conf() | TX39_CONF_HALT); + local_irq_enable(); +} + +void r4k_wait(void) +{ + local_irq_enable(); + __r4k_wait(); +} + +/* + * This variant is preferable as it allows testing need_resched and going to + * sleep depending on the outcome atomically. Unfortunately the "It is + * implementation-dependent whether the pipeline restarts when a non-enabled + * interrupt is requested" restriction in the MIPS32/MIPS64 architecture makes + * using this version a gamble. + */ +void r4k_wait_irqoff(void) +{ + if (!need_resched()) + __asm__( + " .set push \n" + " .set mips3 \n" + " wait \n" + " .set pop \n"); + local_irq_enable(); + __asm__( + " .globl __pastwait \n" + "__pastwait: \n"); +} + +/* + * The RM7000 variant has to handle erratum 38. The workaround is to not + * have any pending stores when the WAIT instruction is executed. + */ +static void rm7k_wait_irqoff(void) +{ + if (!need_resched()) + __asm__( + " .set push \n" + " .set mips3 \n" + " .set noat \n" + " mfc0 $1, $12 \n" + " sync \n" + " mtc0 $1, $12 # stalls until W stage \n" + " wait \n" + " mtc0 $1, $12 # stalls until W stage \n" + " .set pop \n"); + local_irq_enable(); +} + +/* + * The Au1xxx wait is available only if using 32khz counter or + * external timer source, but specifically not CP0 Counter. + * alchemy/common/time.c may override cpu_wait! + */ +static void au1k_wait(void) +{ + __asm__( + " .set mips3 \n" + " cache 0x14, 0(%0) \n" + " cache 0x14, 32(%0) \n" + " sync \n" + " nop \n" + " wait \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + " .set mips0 \n" + : : "r" (au1k_wait)); + local_irq_enable(); +} + +static int __initdata nowait; + +static int __init wait_disable(char *s) +{ + nowait = 1; + + return 1; +} + +__setup("nowait", wait_disable); + +void __init check_wait(void) +{ + struct cpuinfo_mips *c = ¤t_cpu_data; + + if (nowait) { + printk("Wait instruction disabled.\n"); + return; + } + + switch (c->cputype) { + case CPU_R3081: + case CPU_R3081E: + cpu_wait = r3081_wait; + break; + case CPU_TX3927: + cpu_wait = r39xx_wait; + break; + case CPU_R4200: +/* case CPU_R4300: */ + case CPU_R4600: + case CPU_R4640: + case CPU_R4650: + case CPU_R4700: + case CPU_R5000: + case CPU_R5500: + case CPU_NEVADA: + case CPU_4KC: + case CPU_4KEC: + case CPU_4KSC: + case CPU_5KC: + case CPU_25KF: + case CPU_PR4450: + case CPU_BMIPS3300: + case CPU_BMIPS4350: + case CPU_BMIPS4380: + case CPU_BMIPS5000: + case CPU_CAVIUM_OCTEON: + case CPU_CAVIUM_OCTEON_PLUS: + case CPU_CAVIUM_OCTEON2: + case CPU_JZRISC: + case CPU_LOONGSON1: + case CPU_XLR: + case CPU_XLP: + cpu_wait = r4k_wait; + break; + + case CPU_RM7000: + cpu_wait = rm7k_wait_irqoff; + break; + + case CPU_M14KC: + case CPU_M14KEC: + case CPU_24K: + case CPU_34K: + case CPU_1004K: + cpu_wait = r4k_wait; + if (read_c0_config7() & MIPS_CONF7_WII) + cpu_wait = r4k_wait_irqoff; + break; + + case CPU_74K: + cpu_wait = r4k_wait; + if ((c->processor_id & 0xff) >= PRID_REV_ENCODE_332(2, 1, 0)) + cpu_wait = r4k_wait_irqoff; + break; + + case CPU_TX49XX: + cpu_wait = r4k_wait_irqoff; + break; + case CPU_ALCHEMY: + cpu_wait = au1k_wait; + break; + case CPU_20KC: + /* + * WAIT on Rev1.0 has E1, E2, E3 and E16. + * WAIT on Rev2.0 and Rev3.0 has E16. + * Rev3.1 WAIT is nop, why bother + */ + if ((c->processor_id & 0xff) <= 0x64) + break; + + /* + * Another rev is incremeting c0_count at a reduced clock + * rate while in WAIT mode. So we basically have the choice + * between using the cp0 timer as clocksource or avoiding + * the WAIT instruction. Until more details are known, + * disable the use of WAIT for 20Kc entirely. + cpu_wait = r4k_wait; + */ + break; + case CPU_RM9000: + if ((c->processor_id & 0x00ff) >= 0x40) + cpu_wait = r4k_wait; + break; + default: + break; + } +} + +static void smtc_idle_hook(void) +{ +#ifdef CONFIG_MIPS_MT_SMTC + void smtc_idle_loop_hook(void); + + smtc_idle_loop_hook(); +#endif +} + +void arch_cpu_idle(void) +{ + smtc_idle_hook(); + if (cpu_wait) + cpu_wait(); + else + local_irq_enable(); +} diff --git a/arch/mips/kernel/kprobes.c b/arch/mips/kernel/kprobes.c index 12bc4ebdf55b..1f8187ab0997 100644 --- a/arch/mips/kernel/kprobes.c +++ b/arch/mips/kernel/kprobes.c @@ -207,7 +207,10 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) void __kprobes arch_remove_kprobe(struct kprobe *p) { - free_insn_slot(p->ainsn.insn, 0); + if (p->ainsn.insn) { + free_insn_slot(p->ainsn.insn, 0); + p->ainsn.insn = NULL; + } } static void save_previous_kprobe(struct kprobe_ctlblk *kcb) diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index a3e461408b7e..acb34373679e 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -10,6 +10,7 @@ #include <asm/bootinfo.h> #include <asm/cpu.h> #include <asm/cpu-features.h> +#include <asm/idle.h> #include <asm/mipsregs.h> #include <asm/processor.h> #include <asm/prom.h> diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index a682a87bcc04..c6a041d9d05d 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -51,19 +51,6 @@ void arch_cpu_idle_dead(void) } #endif -void arch_cpu_idle(void) -{ -#ifdef CONFIG_MIPS_MT_SMTC - extern void smtc_idle_loop_hook(void); - - smtc_idle_loop_hook(); -#endif - if (cpu_wait) - (*cpu_wait)(); - else - local_irq_enable(); -} - asmlinkage void ret_from_fork(void); asmlinkage void ret_from_kernel_thread(void); diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 36cfd4060e1f..97a5909a61cf 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -423,4 +423,5 @@ sys_call_table: PTR sys_process_vm_writev /* 5305 */ PTR sys_kcmp PTR sys_finit_module + PTR sys_getdents64 .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index c17619fe18e3..6e7862ab46cc 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -37,6 +37,7 @@ #include <linux/atomic.h> #include <asm/cpu.h> #include <asm/processor.h> +#include <asm/idle.h> #include <asm/r4k-timer.h> #include <asm/mmu_context.h> #include <asm/time.h> diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 7186222dc5bb..75a4fd709841 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -34,6 +34,7 @@ #include <asm/hardirq.h> #include <asm/hazards.h> #include <asm/irq.h> +#include <asm/idle.h> #include <asm/mmu_context.h> #include <asm/mipsregs.h> #include <asm/cacheflush.h> @@ -858,7 +859,6 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) unsigned long flags; int mtflags; unsigned long tcrestart; - extern void r4k_wait_irqoff(void), __pastwait(void); int set_resched_flag = (type == LINUX_SMP_IPI && action == SMP_RESCHEDULE_YOURSELF); @@ -914,8 +914,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) */ if (cpu_wait == r4k_wait_irqoff) { tcrestart = read_tc_c0_tcrestart(); - if (tcrestart >= (unsigned long)r4k_wait_irqoff - && tcrestart < (unsigned long)__pastwait) { + if (address_is_in_r4k_wait_irqoff(tcrestart)) { write_tc_c0_tcrestart(__pastwait); tcstatus &= ~TCSTATUS_IXMT; write_tc_c0_tcstatus(tcstatus); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index cb14db3c5764..e3be67012d78 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -41,6 +41,7 @@ #include <asm/dsp.h> #include <asm/fpu.h> #include <asm/fpu_emulator.h> +#include <asm/idle.h> #include <asm/mipsregs.h> #include <asm/mipsmtregs.h> #include <asm/module.h> @@ -57,7 +58,6 @@ #include <asm/uasm.h> extern void check_wait(void); -extern asmlinkage void r4k_wait(void); extern asmlinkage void rollback_handle_int(void); extern asmlinkage void handle_int(void); extern u32 handle_tlbl[]; @@ -1542,7 +1542,7 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs) extern char except_vec_vi, except_vec_vi_lui; extern char except_vec_vi_ori, except_vec_vi_end; extern char rollback_except_vec_vi; - char *vec_start = (cpu_wait == r4k_wait) ? + char *vec_start = using_rollback_handler() ? &rollback_except_vec_vi : &except_vec_vi; #ifdef CONFIG_MIPS_MT_SMTC /* @@ -1812,10 +1812,8 @@ void __init trap_init(void) extern char except_vec4; extern char except_vec3_r4000; unsigned long i; - int rollback; check_wait(); - rollback = (cpu_wait == r4k_wait); #if defined(CONFIG_KGDB) if (kgdb_early_setup) @@ -1892,7 +1890,8 @@ void __init trap_init(void) if (board_be_init) board_be_init(); - set_except_vector(0, rollback ? rollback_handle_int : handle_int); + set_except_vector(0, using_rollback_handler() ? rollback_handle_int + : handle_int); set_except_vector(1, handle_tlbm); set_except_vector(2, handle_tlbl); set_except_vector(3, handle_tlbs); diff --git a/arch/mips/kvm/kvm_tlb.c b/arch/mips/kvm/kvm_tlb.c index e3f0d9b8b6c5..c777dd36d4a8 100644 --- a/arch/mips/kvm/kvm_tlb.c +++ b/arch/mips/kvm/kvm_tlb.c @@ -17,6 +17,8 @@ #include <linux/delay.h> #include <linux/module.h> #include <linux/kvm_host.h> +#include <linux/srcu.h> + #include <asm/cpu.h> #include <asm/bootinfo.h> @@ -169,21 +171,27 @@ void kvm_mips_dump_shadow_tlbs(struct kvm_vcpu *vcpu) } } -static void kvm_mips_map_page(struct kvm *kvm, gfn_t gfn) +static int kvm_mips_map_page(struct kvm *kvm, gfn_t gfn) { + int srcu_idx, err = 0; pfn_t pfn; if (kvm->arch.guest_pmap[gfn] != KVM_INVALID_PAGE) - return; + return 0; + srcu_idx = srcu_read_lock(&kvm->srcu); pfn = kvm_mips_gfn_to_pfn(kvm, gfn); if (kvm_mips_is_error_pfn(pfn)) { - panic("Couldn't get pfn for gfn %#" PRIx64 "!\n", gfn); + kvm_err("Couldn't get pfn for gfn %#" PRIx64 "!\n", gfn); + err = -EFAULT; + goto out; } kvm->arch.guest_pmap[gfn] = pfn; - return; +out: + srcu_read_unlock(&kvm->srcu, srcu_idx); + return err; } /* Translate guest KSEG0 addresses to Host PA */ @@ -207,7 +215,10 @@ unsigned long kvm_mips_translate_guest_kseg0_to_hpa(struct kvm_vcpu *vcpu, gva); return KVM_INVALID_PAGE; } - kvm_mips_map_page(vcpu->kvm, gfn); + + if (kvm_mips_map_page(vcpu->kvm, gfn) < 0) + return KVM_INVALID_ADDR; + return (kvm->arch.guest_pmap[gfn] << PAGE_SHIFT) + offset; } @@ -310,8 +321,11 @@ int kvm_mips_handle_kseg0_tlb_fault(unsigned long badvaddr, even = !(gfn & 0x1); vaddr = badvaddr & (PAGE_MASK << 1); - kvm_mips_map_page(vcpu->kvm, gfn); - kvm_mips_map_page(vcpu->kvm, gfn ^ 0x1); + if (kvm_mips_map_page(vcpu->kvm, gfn) < 0) + return -1; + + if (kvm_mips_map_page(vcpu->kvm, gfn ^ 0x1) < 0) + return -1; if (even) { pfn0 = kvm->arch.guest_pmap[gfn]; @@ -389,8 +403,11 @@ kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu, pfn0 = 0; pfn1 = 0; } else { - kvm_mips_map_page(kvm, mips3_tlbpfn_to_paddr(tlb->tlb_lo0) >> PAGE_SHIFT); - kvm_mips_map_page(kvm, mips3_tlbpfn_to_paddr(tlb->tlb_lo1) >> PAGE_SHIFT); + if (kvm_mips_map_page(kvm, mips3_tlbpfn_to_paddr(tlb->tlb_lo0) >> PAGE_SHIFT) < 0) + return -1; + + if (kvm_mips_map_page(kvm, mips3_tlbpfn_to_paddr(tlb->tlb_lo1) >> PAGE_SHIFT) < 0) + return -1; pfn0 = kvm->arch.guest_pmap[mips3_tlbpfn_to_paddr(tlb->tlb_lo0) >> PAGE_SHIFT]; pfn1 = kvm->arch.guest_pmap[mips3_tlbpfn_to_paddr(tlb->tlb_lo1) >> PAGE_SHIFT]; diff --git a/arch/mips/loongson/common/reset.c b/arch/mips/loongson/common/reset.c index 35c8c6468494..65bfbb5d06f4 100644 --- a/arch/mips/loongson/common/reset.c +++ b/arch/mips/loongson/common/reset.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/pm.h> +#include <asm/idle.h> #include <asm/reboot.h> #include <loongson.h> diff --git a/arch/mips/loongson1/common/reset.c b/arch/mips/loongson1/common/reset.c index d4f610f9604a..547f34b69e4c 100644 --- a/arch/mips/loongson1/common/reset.c +++ b/arch/mips/loongson1/common/reset.c @@ -9,6 +9,7 @@ #include <linux/io.h> #include <linux/pm.h> +#include <asm/idle.h> #include <asm/reboot.h> #include <loongson1.h> diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c index af319143b591..eaa99d28cb8e 100644 --- a/arch/mips/netlogic/xlp/setup.c +++ b/arch/mips/netlogic/xlp/setup.c @@ -37,6 +37,7 @@ #include <linux/pm.h> #include <linux/bootmem.h> +#include <asm/idle.h> #include <asm/reboot.h> #include <asm/time.h> #include <asm/bootinfo.h> diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c index e3e094100e3e..89c8c1066632 100644 --- a/arch/mips/netlogic/xlr/setup.c +++ b/arch/mips/netlogic/xlr/setup.c @@ -36,6 +36,7 @@ #include <linux/serial_8250.h> #include <linux/pm.h> +#include <asm/idle.h> #include <asm/reboot.h> #include <asm/time.h> #include <asm/bootinfo.h> diff --git a/arch/mips/pmcs-msp71xx/msp_setup.c b/arch/mips/pmcs-msp71xx/msp_setup.c index 1651cfdbfe7b..396b2967ad85 100644 --- a/arch/mips/pmcs-msp71xx/msp_setup.c +++ b/arch/mips/pmcs-msp71xx/msp_setup.c @@ -12,6 +12,7 @@ #include <asm/bootinfo.h> #include <asm/cacheflush.h> +#include <asm/idle.h> #include <asm/r4kcache.h> #include <asm/reboot.h> #include <asm/smp-ops.h> diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 5364aabc2102..681e7f86c080 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -26,6 +26,7 @@ #include <linux/slab.h> #include <linux/irq.h> #include <asm/bootinfo.h> +#include <asm/idle.h> #include <asm/time.h> #include <asm/reboot.h> #include <asm/r4kcache.h> diff --git a/arch/mips/vr41xx/common/pmu.c b/arch/mips/vr41xx/common/pmu.c index 70a3f90131d8..d7f755833c3f 100644 --- a/arch/mips/vr41xx/common/pmu.c +++ b/arch/mips/vr41xx/common/pmu.c @@ -27,6 +27,7 @@ #include <asm/cacheflush.h> #include <asm/cpu.h> +#include <asm/idle.h> #include <asm/io.h> #include <asm/processor.h> #include <asm/reboot.h> diff --git a/arch/mips/wrppmc/reset.c b/arch/mips/wrppmc/reset.c index cc5474b24f06..80beb188ed47 100644 --- a/arch/mips/wrppmc/reset.c +++ b/arch/mips/wrppmc/reset.c @@ -9,6 +9,7 @@ #include <linux/kernel.h> #include <asm/cacheflush.h> +#include <asm/idle.h> #include <asm/mipsregs.h> #include <asm/processor.h> diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h index 89fb40005e3f..0da848232344 100644 --- a/arch/parisc/include/asm/assembly.h +++ b/arch/parisc/include/asm/assembly.h @@ -438,7 +438,6 @@ SAVE_SP (%sr4, PT_SR4 (\regs)) SAVE_SP (%sr5, PT_SR5 (\regs)) SAVE_SP (%sr6, PT_SR6 (\regs)) - SAVE_SP (%sr7, PT_SR7 (\regs)) SAVE_CR (%cr17, PT_IASQ0(\regs)) mtctl %r0, %cr17 diff --git a/arch/parisc/include/asm/hardirq.h b/arch/parisc/include/asm/hardirq.h index c19f7138ba48..241c34518465 100644 --- a/arch/parisc/include/asm/hardirq.h +++ b/arch/parisc/include/asm/hardirq.h @@ -17,17 +17,14 @@ typedef struct { unsigned int __softirq_pending; -#ifdef CONFIG_DEBUG_STACKOVERFLOW unsigned int kernel_stack_usage; -#ifdef CONFIG_IRQSTACKS unsigned int irq_stack_usage; - unsigned int irq_stack_counter; -#endif -#endif #ifdef CONFIG_SMP unsigned int irq_resched_count; unsigned int irq_call_count; #endif + unsigned int irq_unaligned_count; + unsigned int irq_fpassist_count; unsigned int irq_tlb_count; } ____cacheline_aligned irq_cpustat_t; diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h index cfbc43929cf6..cc2290a3cace 100644 --- a/arch/parisc/include/asm/processor.h +++ b/arch/parisc/include/asm/processor.h @@ -17,7 +17,6 @@ #include <asm/ptrace.h> #include <asm/types.h> #include <asm/percpu.h> - #endif /* __ASSEMBLY__ */ /* @@ -59,26 +58,6 @@ #ifndef __ASSEMBLY__ /* - * IRQ STACK - used for irq handler - */ -#ifdef __KERNEL__ - -#include <linux/spinlock_types.h> - -#define IRQ_STACK_SIZE (4096 << 2) /* 16k irq stack size */ - -union irq_stack_union { - unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)]; - raw_spinlock_t lock; -}; - -DECLARE_PER_CPU(union irq_stack_union, irq_stack_union); - -void call_on_stack(unsigned long p1, void *func, unsigned long new_stack); - -#endif /* __KERNEL__ */ - -/* * Data detected about CPUs at boot time which is the same for all CPU's. * HP boxes are SMP - ie identical processors. * diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index ae27cb6ce19a..e8f07dd28401 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -65,15 +65,11 @@ rsm PSW_SM_I, %r0 /* barrier for "Relied upon Translation */ mtsp %r0, %sr4 mtsp %r0, %sr5 - mfsp %sr7, %r1 - or,= %r0,%r1,%r0 /* Only save sr7 in sr3 if sr7 != 0 */ - mtsp %r1, %sr3 + mtsp %r0, %sr6 tovirt_r1 %r29 load32 KERNEL_PSW, %r1 rsm PSW_SM_QUIET,%r0 /* second "heavy weight" ctl op */ - mtsp %r0, %sr6 - mtsp %r0, %sr7 mtctl %r0, %cr17 /* Clear IIASQ tail */ mtctl %r0, %cr17 /* Clear IIASQ head */ mtctl %r1, %ipsw @@ -119,17 +115,20 @@ /* we save the registers in the task struct */ + copy %r30, %r17 mfctl %cr30, %r1 + ldo THREAD_SZ_ALGN(%r1), %r30 + mtsp %r0,%sr7 + mtsp %r16,%sr3 tophys %r1,%r9 LDREG TI_TASK(%r9), %r1 /* thread_info -> task_struct */ tophys %r1,%r9 ldo TASK_REGS(%r9),%r9 - STREG %r30, PT_GR30(%r9) + STREG %r17,PT_GR30(%r9) STREG %r29,PT_GR29(%r9) STREG %r26,PT_GR26(%r9) + STREG %r16,PT_SR7(%r9) copy %r9,%r29 - mfctl %cr30, %r1 - ldo THREAD_SZ_ALGN(%r1), %r30 .endm .macro get_stack_use_r30 @@ -137,10 +136,12 @@ /* we put a struct pt_regs on the stack and save the registers there */ tophys %r30,%r9 - STREG %r30,PT_GR30(%r9) + copy %r30,%r1 ldo PT_SZ_ALGN(%r30),%r30 + STREG %r1,PT_GR30(%r9) STREG %r29,PT_GR29(%r9) STREG %r26,PT_GR26(%r9) + STREG %r16,PT_SR7(%r9) copy %r9,%r29 .endm diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c index f7752f6af29e..9e2d2e408529 100644 --- a/arch/parisc/kernel/hardware.c +++ b/arch/parisc/kernel/hardware.c @@ -222,6 +222,7 @@ static struct hp_hardware hp_hardware_list[] = { {HPHW_NPROC,0x5DD,0x4,0x81,"Duet W2"}, {HPHW_NPROC,0x5DE,0x4,0x81,"Piccolo W+"}, {HPHW_NPROC,0x5DF,0x4,0x81,"Cantata W2"}, + {HPHW_NPROC,0x5DF,0x0,0x00,"Marcato W+? (rp5470)"}, {HPHW_NPROC,0x5E0,0x4,0x91,"Cantata DC- W2"}, {HPHW_NPROC,0x5E1,0x4,0x91,"Crescendo DC- W2"}, {HPHW_NPROC,0x5E2,0x4,0x91,"Crescendo 650 W2"}, diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 55237a70e197..2e6443b1e922 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -27,11 +27,11 @@ #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/seq_file.h> -#include <linux/spinlock.h> #include <linux/types.h> #include <asm/io.h> #include <asm/smp.h> +#include <asm/ldcw.h> #undef PARISC_IRQ_CR16_COUNTS @@ -172,10 +172,6 @@ int arch_show_interrupts(struct seq_file *p, int prec) for_each_online_cpu(j) seq_printf(p, "%10u ", irq_stats(j)->irq_stack_usage); seq_puts(p, " Interrupt stack usage\n"); - seq_printf(p, "%*s: ", prec, "ISC"); - for_each_online_cpu(j) - seq_printf(p, "%10u ", irq_stats(j)->irq_stack_counter); - seq_puts(p, " Interrupt stack usage counter\n"); # endif #endif #ifdef CONFIG_SMP @@ -188,6 +184,14 @@ int arch_show_interrupts(struct seq_file *p, int prec) seq_printf(p, "%10u ", irq_stats(j)->irq_call_count); seq_puts(p, " Function call interrupts\n"); #endif + seq_printf(p, "%*s: ", prec, "UAH"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_unaligned_count); + seq_puts(p, " Unaligned access handler traps\n"); + seq_printf(p, "%*s: ", prec, "FPA"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_fpassist_count); + seq_puts(p, " Floating point assist traps\n"); seq_printf(p, "%*s: ", prec, "TLB"); for_each_online_cpu(j) seq_printf(p, "%10u ", irq_stats(j)->irq_tlb_count); @@ -376,6 +380,24 @@ static inline int eirr_to_irq(unsigned long eirr) return (BITS_PER_LONG - bit) + TIMER_IRQ; } +#ifdef CONFIG_IRQSTACKS +/* + * IRQ STACK - used for irq handler + */ +#define IRQ_STACK_SIZE (4096 << 2) /* 16k irq stack size */ + +union irq_stack_union { + unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)]; + volatile unsigned int slock[4]; + volatile unsigned int lock[1]; +}; + +DEFINE_PER_CPU(union irq_stack_union, irq_stack_union) = { + .slock = { 1,1,1,1 }, + }; +#endif + + int sysctl_panic_on_stackoverflow = 1; static inline void stack_overflow_check(struct pt_regs *regs) @@ -442,27 +464,26 @@ panic_check: } #ifdef CONFIG_IRQSTACKS -DEFINE_PER_CPU(union irq_stack_union, irq_stack_union) = { - .lock = __RAW_SPIN_LOCK_UNLOCKED((irq_stack_union).lock) - }; +/* in entry.S: */ +void call_on_stack(unsigned long p1, void *func, unsigned long new_stack); static void execute_on_irq_stack(void *func, unsigned long param1) { union irq_stack_union *union_ptr; unsigned long irq_stack; - raw_spinlock_t *irq_stack_in_use; + volatile unsigned int *irq_stack_in_use; union_ptr = &per_cpu(irq_stack_union, smp_processor_id()); irq_stack = (unsigned long) &union_ptr->stack; - irq_stack = ALIGN(irq_stack + sizeof(irq_stack_union.lock), + irq_stack = ALIGN(irq_stack + sizeof(irq_stack_union.slock), 64); /* align for stack frame usage */ /* We may be called recursive. If we are already using the irq stack, * just continue to use it. Use spinlocks to serialize * the irq stack usage. */ - irq_stack_in_use = &union_ptr->lock; - if (!raw_spin_trylock(irq_stack_in_use)) { + irq_stack_in_use = (volatile unsigned int *)__ldcw_align(union_ptr); + if (!__ldcw(irq_stack_in_use)) { void (*direct_call)(unsigned long p1) = func; /* We are using the IRQ stack already. @@ -474,10 +495,8 @@ static void execute_on_irq_stack(void *func, unsigned long param1) /* This is where we switch to the IRQ stack. */ call_on_stack(param1, func, irq_stack); - __inc_irq_stat(irq_stack_counter); - /* free up irq stack usage. */ - do_raw_spin_unlock(irq_stack_in_use); + *irq_stack_in_use = 1; } asmlinkage void do_softirq(void) diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S index 5e1de6072be5..36d7f402e48e 100644 --- a/arch/parisc/kernel/pacache.S +++ b/arch/parisc/kernel/pacache.S @@ -605,14 +605,14 @@ ENTRY(copy_user_page_asm) convert_phys_for_tlb_insert20 %r26 /* convert phys addr to tlb insert format */ convert_phys_for_tlb_insert20 %r23 /* convert phys addr to tlb insert format */ depd %r24,63,22, %r28 /* Form aliased virtual address 'to' */ - depdi 0, 63,PAGE_SHIFT, %r28 /* Clear any offset bits */ + depdi 0, 63,PAGE_SHIFT, %r28 /* Clear any offset bits */ copy %r28, %r29 depdi 1, 41,1, %r29 /* Form aliased virtual address 'from' */ #else extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */ extrw,u %r23, 24,25, %r23 /* convert phys addr to tlb insert format */ depw %r24, 31,22, %r28 /* Form aliased virtual address 'to' */ - depwi 0, 31,12, %r28 /* Clear any offset bits */ + depwi 0, 31,PAGE_SHIFT, %r28 /* Clear any offset bits */ copy %r28, %r29 depwi 1, 9,1, %r29 /* Form aliased virtual address 'from' */ #endif @@ -762,7 +762,7 @@ ENTRY(clear_user_page_asm) #else extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */ depw %r25, 31,22, %r28 /* Form aliased virtual address 'to' */ - depwi 0, 31,12, %r28 /* Clear any offset bits */ + depwi 0, 31,PAGE_SHIFT, %r28 /* Clear any offset bits */ #endif /* Purge any old translation */ @@ -846,7 +846,7 @@ ENTRY(flush_dcache_page_asm) #else extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */ depw %r25, 31,22, %r28 /* Form aliased virtual address 'to' */ - depwi 0, 31,12, %r28 /* Clear any offset bits */ + depwi 0, 31,PAGE_SHIFT, %r28 /* Clear any offset bits */ #endif /* Purge any old translation */ @@ -918,11 +918,11 @@ ENTRY(flush_icache_page_asm) #endif convert_phys_for_tlb_insert20 %r26 /* convert phys addr to tlb insert format */ depd %r25, 63,22, %r28 /* Form aliased virtual address 'to' */ - depdi 0, 63,PAGE_SHIFT, %r28 /* Clear any offset bits */ + depdi 0, 63,PAGE_SHIFT, %r28 /* Clear any offset bits */ #else extrw,u %r26, 24,25, %r26 /* convert phys addr to tlb insert format */ depw %r25, 31,22, %r28 /* Form aliased virtual address 'to' */ - depwi 0, 31,12, %r28 /* Clear any offset bits */ + depwi 0, 31,PAGE_SHIFT, %r28 /* Clear any offset bits */ #endif /* Purge any old translation */ diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index fe41a98043bb..04e47c6a4562 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -646,6 +646,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) case 14: /* Assist Exception Trap, i.e. floating point exception. */ die_if_kernel("Floating point exception", regs, 0); /* quiet */ + __inc_irq_stat(irq_fpassist_count); handle_fpe(regs); return; diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c index 234e3682cf09..d7c0acb35ec2 100644 --- a/arch/parisc/kernel/unaligned.c +++ b/arch/parisc/kernel/unaligned.c @@ -27,6 +27,7 @@ #include <linux/signal.h> #include <linux/ratelimit.h> #include <asm/uaccess.h> +#include <asm/hardirq.h> /* #define DEBUG_UNALIGNED 1 */ @@ -454,6 +455,8 @@ void handle_unaligned(struct pt_regs *regs) struct siginfo si; register int flop=0; /* true if this is a flop */ + __inc_irq_stat(irq_unaligned_count); + /* log a message with pacing */ if (user_mode(regs)) { if (current->thread.flags & PARISC_UAC_SIGBUS) { diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index f79196232917..139a8308070c 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -136,7 +136,6 @@ CONFIG_HID_SMARTJOYPLUS=m CONFIG_USB_HIDDEV=y CONFIG_USB=m CONFIG_USB_ANNOUNCE_NEW_DEVICES=y -CONFIG_USB_SUSPEND=y CONFIG_USB_MON=m CONFIG_USB_EHCI_HCD=m # CONFIG_USB_EHCI_HCD_PPC_OF is not set diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 8b11b5bd9938..2c1d8cb9b265 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -174,6 +174,8 @@ struct pci_dn { /* Get the pointer to a device_node's pci_dn */ #define PCI_DN(dn) ((struct pci_dn *) (dn)->data) +extern struct pci_dn *pci_get_pdn(struct pci_dev *pdev); + extern void * update_dn_pci_info(struct device_node *dn, void *data); static inline int pci_device_from_OF_node(struct device_node *np, diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index d7e67ca8b4a6..594db6bc093c 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -284,6 +284,12 @@ struct thread_struct { unsigned long ebbrr; unsigned long ebbhr; unsigned long bescr; + unsigned long siar; + unsigned long sdar; + unsigned long sier; + unsigned long mmcr0; + unsigned long mmcr2; + unsigned long mmcra; #endif }; diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index b51a97cfedf8..6f16ffafa6f0 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -127,6 +127,12 @@ int main(void) DEFINE(THREAD_BESCR, offsetof(struct thread_struct, bescr)); DEFINE(THREAD_EBBHR, offsetof(struct thread_struct, ebbhr)); DEFINE(THREAD_EBBRR, offsetof(struct thread_struct, ebbrr)); + DEFINE(THREAD_SIAR, offsetof(struct thread_struct, siar)); + DEFINE(THREAD_SDAR, offsetof(struct thread_struct, sdar)); + DEFINE(THREAD_SIER, offsetof(struct thread_struct, sier)); + DEFINE(THREAD_MMCR0, offsetof(struct thread_struct, mmcr0)); + DEFINE(THREAD_MMCR2, offsetof(struct thread_struct, mmcr2)); + DEFINE(THREAD_MMCRA, offsetof(struct thread_struct, mmcra)); #endif #ifdef CONFIG_PPC_TRANSACTIONAL_MEM DEFINE(PACATMSCRATCH, offsetof(struct paca_struct, tm_scratch)); diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S index a283b6442b26..18b5b9cf8e37 100644 --- a/arch/powerpc/kernel/cpu_setup_power.S +++ b/arch/powerpc/kernel/cpu_setup_power.S @@ -135,8 +135,12 @@ __init_HFSCR: blr __init_TLB: - /* Clear the TLB */ - li r6,128 + /* + * Clear the TLB using the "IS 3" form of tlbiel instruction + * (invalidate by congruence class). P7 has 128 CCs, P8 has 512 + * so we just always do 512 + */ + li r6,512 mtctr r6 li r7,0xc00 /* IS field = 0b11 */ ptesync diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 51cfb8fc301f..0e9095e47b5b 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -465,6 +465,20 @@ BEGIN_FTR_SECTION std r0, THREAD_EBBHR(r3) mfspr r0, SPRN_EBBRR std r0, THREAD_EBBRR(r3) + + /* PMU registers made user read/(write) by EBB */ + mfspr r0, SPRN_SIAR + std r0, THREAD_SIAR(r3) + mfspr r0, SPRN_SDAR + std r0, THREAD_SDAR(r3) + mfspr r0, SPRN_SIER + std r0, THREAD_SIER(r3) + mfspr r0, SPRN_MMCR0 + std r0, THREAD_MMCR0(r3) + mfspr r0, SPRN_MMCR2 + std r0, THREAD_MMCR2(r3) + mfspr r0, SPRN_MMCRA + std r0, THREAD_MMCRA(r3) END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) #endif @@ -560,6 +574,20 @@ BEGIN_FTR_SECTION ld r0, THREAD_EBBRR(r4) mtspr SPRN_EBBRR, r0 + /* PMU registers made user read/(write) by EBB */ + ld r0, THREAD_SIAR(r4) + mtspr SPRN_SIAR, r0 + ld r0, THREAD_SDAR(r4) + mtspr SPRN_SDAR, r0 + ld r0, THREAD_SIER(r4) + mtspr SPRN_SIER, r0 + ld r0, THREAD_MMCR0(r4) + mtspr SPRN_MMCR0, r0 + ld r0, THREAD_MMCR2(r4) + mtspr SPRN_MMCR2, r0 + ld r0, THREAD_MMCRA(r4) + mtspr SPRN_MMCRA, r0 + ld r0,THREAD_TAR(r4) mtspr SPRN_TAR,r0 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 6053f037ef0a..e9acf50dd5b2 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1520,9 +1520,10 @@ static void pcibios_setup_phb_resources(struct pci_controller *hose, for (i = 0; i < 3; ++i) { res = &hose->mem_resources[i]; if (!res->flags) { - printk(KERN_ERR "PCI: Memory resource 0 not set for " - "host bridge %s (domain %d)\n", - hose->dn->full_name, hose->global_number); + if (i == 0) + printk(KERN_ERR "PCI: Memory resource 0 not set for " + "host bridge %s (domain %d)\n", + hose->dn->full_name, hose->global_number); continue; } offset = hose->mem_offset[i]; diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 873050d26840..2e8629654ca8 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -266,3 +266,13 @@ int pcibus_to_node(struct pci_bus *bus) } EXPORT_SYMBOL(pcibus_to_node); #endif + +static void quirk_radeon_32bit_msi(struct pci_dev *dev) +{ + struct pci_dn *pdn = pci_get_pdn(dev); + + if (pdn) + pdn->force_32bit_msi = 1; +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x68f2, quirk_radeon_32bit_msi); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0xaa68, quirk_radeon_32bit_msi); diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index e7af165f8b9d..df038442548a 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -32,6 +32,14 @@ #include <asm/ppc-pci.h> #include <asm/firmware.h> +struct pci_dn *pci_get_pdn(struct pci_dev *pdev) +{ + struct device_node *dn = pci_device_to_OF_node(pdev); + if (!dn) + return NULL; + return PCI_DN(dn); +} + /* * Traverse_func that inits the PCI fields of the device node. * NOTE: this *must* be done before read/write config to the device. diff --git a/arch/powerpc/platforms/powernv/Kconfig b/arch/powerpc/platforms/powernv/Kconfig index d3e840d643af..c24684c818ab 100644 --- a/arch/powerpc/platforms/powernv/Kconfig +++ b/arch/powerpc/platforms/powernv/Kconfig @@ -6,6 +6,7 @@ config PPC_POWERNV select PPC_ICP_NATIVE select PPC_P7_NAP select PPC_PCI_CHOICE if EMBEDDED + select EPAPR_BOOT default y config POWERNV_MSI diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 3937aaae5bc4..9c9d15e4cdf2 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -68,16 +68,6 @@ define_pe_printk_level(pe_err, KERN_ERR); define_pe_printk_level(pe_warn, KERN_WARNING); define_pe_printk_level(pe_info, KERN_INFO); -static struct pci_dn *pnv_ioda_get_pdn(struct pci_dev *dev) -{ - struct device_node *np; - - np = pci_device_to_OF_node(dev); - if (!np) - return NULL; - return PCI_DN(np); -} - static int pnv_ioda_alloc_pe(struct pnv_phb *phb) { unsigned long pe; @@ -110,7 +100,7 @@ static struct pnv_ioda_pe *pnv_ioda_get_pe(struct pci_dev *dev) { struct pci_controller *hose = pci_bus_to_host(dev->bus); struct pnv_phb *phb = hose->private_data; - struct pci_dn *pdn = pnv_ioda_get_pdn(dev); + struct pci_dn *pdn = pci_get_pdn(dev); if (!pdn) return NULL; @@ -173,7 +163,7 @@ static int pnv_ioda_configure_pe(struct pnv_phb *phb, struct pnv_ioda_pe *pe) /* Add to all parents PELT-V */ while (parent) { - struct pci_dn *pdn = pnv_ioda_get_pdn(parent); + struct pci_dn *pdn = pci_get_pdn(parent); if (pdn && pdn->pe_number != IODA_INVALID_PE) { rc = opal_pci_set_peltv(phb->opal_id, pdn->pe_number, pe->pe_number, OPAL_ADD_PE_TO_DOMAIN); @@ -252,7 +242,7 @@ static struct pnv_ioda_pe *pnv_ioda_setup_dev_PE(struct pci_dev *dev) { struct pci_controller *hose = pci_bus_to_host(dev->bus); struct pnv_phb *phb = hose->private_data; - struct pci_dn *pdn = pnv_ioda_get_pdn(dev); + struct pci_dn *pdn = pci_get_pdn(dev); struct pnv_ioda_pe *pe; int pe_num; @@ -323,7 +313,7 @@ static void pnv_ioda_setup_same_PE(struct pci_bus *bus, struct pnv_ioda_pe *pe) struct pci_dev *dev; list_for_each_entry(dev, &bus->devices, bus_list) { - struct pci_dn *pdn = pnv_ioda_get_pdn(dev); + struct pci_dn *pdn = pci_get_pdn(dev); if (pdn == NULL) { pr_warn("%s: No device node associated with device !\n", @@ -436,7 +426,7 @@ static void pnv_pci_ioda_setup_PEs(void) static void pnv_pci_ioda_dma_dev_setup(struct pnv_phb *phb, struct pci_dev *pdev) { - struct pci_dn *pdn = pnv_ioda_get_pdn(pdev); + struct pci_dn *pdn = pci_get_pdn(pdev); struct pnv_ioda_pe *pe; /* @@ -768,6 +758,7 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev, unsigned int is_64, struct msi_msg *msg) { struct pnv_ioda_pe *pe = pnv_ioda_get_pe(dev); + struct pci_dn *pdn = pci_get_pdn(dev); struct irq_data *idata; struct irq_chip *ichip; unsigned int xive_num = hwirq - phb->msi_base; @@ -783,6 +774,10 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev, if (pe->mve_number < 0) return -ENXIO; + /* Force 32-bit MSI on some broken devices */ + if (pdn && pdn->force_32bit_msi) + is_64 = 0; + /* Assign XIVE to PE */ rc = opal_pci_set_xive_pe(phb->opal_id, pe->pe_number, xive_num); if (rc) { @@ -1035,7 +1030,7 @@ static int pnv_pci_enable_device_hook(struct pci_dev *dev) if (!phb->initialized) return 0; - pdn = pnv_ioda_get_pdn(dev); + pdn = pci_get_pdn(dev); if (!pdn || pdn->pe_number == IODA_INVALID_PE) return -EINVAL; diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 163bd7422f1c..277343cc6a3d 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -47,6 +47,10 @@ static int pnv_msi_check_device(struct pci_dev* pdev, int nvec, int type) { struct pci_controller *hose = pci_bus_to_host(pdev->bus); struct pnv_phb *phb = hose->private_data; + struct pci_dn *pdn = pci_get_pdn(pdev); + + if (pdn && pdn->force_32bit_msi && !phb->msi32_support) + return -ENODEV; return (phb && phb->msi_bmp.bitmap) ? 0 : -ENODEV; } @@ -367,7 +371,7 @@ static void pnv_tce_free(struct iommu_table *tbl, long index, long npages) while (npages--) *(tcep++) = 0; - if (tbl->it_type & TCE_PCI_SWINV_CREATE) + if (tbl->it_type & TCE_PCI_SWINV_FREE) pnv_pci_ioda_tce_invalidate(tbl, tces, tcep - 1); } diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 420524e6f8c9..6d2f0abce6fa 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -26,26 +26,6 @@ static int query_token, change_token; #define RTAS_CHANGE_MSIX_FN 4 #define RTAS_CHANGE_32MSI_FN 5 -static struct pci_dn *get_pdn(struct pci_dev *pdev) -{ - struct device_node *dn; - struct pci_dn *pdn; - - dn = pci_device_to_OF_node(pdev); - if (!dn) { - dev_dbg(&pdev->dev, "rtas_msi: No OF device node\n"); - return NULL; - } - - pdn = PCI_DN(dn); - if (!pdn) { - dev_dbg(&pdev->dev, "rtas_msi: No PCI DN\n"); - return NULL; - } - - return pdn; -} - /* RTAS Helpers */ static int rtas_change_msi(struct pci_dn *pdn, u32 func, u32 num_irqs) @@ -91,7 +71,7 @@ static void rtas_disable_msi(struct pci_dev *pdev) { struct pci_dn *pdn; - pdn = get_pdn(pdev); + pdn = pci_get_pdn(pdev); if (!pdn) return; @@ -152,7 +132,7 @@ static int check_req(struct pci_dev *pdev, int nvec, char *prop_name) struct pci_dn *pdn; const u32 *req_msi; - pdn = get_pdn(pdev); + pdn = pci_get_pdn(pdev); if (!pdn) return -ENODEV; @@ -394,6 +374,23 @@ static int check_msix_entries(struct pci_dev *pdev) return 0; } +static void rtas_hack_32bit_msi_gen2(struct pci_dev *pdev) +{ + u32 addr_hi, addr_lo; + + /* + * We should only get in here for IODA1 configs. This is based on the + * fact that we using RTAS for MSIs, we don't have the 32 bit MSI RTAS + * support, and we are in a PCIe Gen2 slot. + */ + dev_info(&pdev->dev, + "rtas_msi: No 32 bit MSI firmware support, forcing 32 bit MSI\n"); + pci_read_config_dword(pdev, pdev->msi_cap + PCI_MSI_ADDRESS_HI, &addr_hi); + addr_lo = 0xffff0000 | ((addr_hi >> (48 - 32)) << 4); + pci_write_config_dword(pdev, pdev->msi_cap + PCI_MSI_ADDRESS_LO, addr_lo); + pci_write_config_dword(pdev, pdev->msi_cap + PCI_MSI_ADDRESS_HI, 0); +} + static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec_in, int type) { struct pci_dn *pdn; @@ -401,8 +398,9 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec_in, int type) struct msi_desc *entry; struct msi_msg msg; int nvec = nvec_in; + int use_32bit_msi_hack = 0; - pdn = get_pdn(pdev); + pdn = pci_get_pdn(pdev); if (!pdn) return -ENODEV; @@ -428,15 +426,31 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec_in, int type) */ again: if (type == PCI_CAP_ID_MSI) { - if (pdn->force_32bit_msi) + if (pdn->force_32bit_msi) { rc = rtas_change_msi(pdn, RTAS_CHANGE_32MSI_FN, nvec); - else + if (rc < 0) { + /* + * We only want to run the 32 bit MSI hack below if + * the max bus speed is Gen2 speed + */ + if (pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) + return rc; + + use_32bit_msi_hack = 1; + } + } else + rc = -1; + + if (rc < 0) rc = rtas_change_msi(pdn, RTAS_CHANGE_MSI_FN, nvec); - if (rc < 0 && !pdn->force_32bit_msi) { + if (rc < 0) { pr_debug("rtas_msi: trying the old firmware call.\n"); rc = rtas_change_msi(pdn, RTAS_CHANGE_FN, nvec); } + + if (use_32bit_msi_hack && rc > 0) + rtas_hack_32bit_msi_gen2(pdev); } else rc = rtas_change_msi(pdn, RTAS_CHANGE_MSIX_FN, nvec); @@ -518,12 +532,3 @@ static int rtas_msi_init(void) } arch_initcall(rtas_msi_init); -static void quirk_radeon(struct pci_dev *dev) -{ - struct pci_dn *pdn = get_pdn(dev); - - if (pdn) - pdn->force_32bit_msi = 1; -} -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x68f2, quirk_radeon); -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0xaa68, quirk_radeon); diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 2c9789da0e24..da183c5a103c 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -98,7 +98,6 @@ config S390 select CLONE_BACKWARDS2 select GENERIC_CLOCKEVENTS select GENERIC_CPU_DEVICES if !SMP - select GENERIC_KERNEL_THREAD select GENERIC_SMP_IDLE_THREAD select GENERIC_TIME_VSYSCALL_OLD select HAVE_ALIGNED_STRUCT_PAGE if SLUB diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h index b7931faaef6d..bf246dae1367 100644 --- a/arch/s390/include/asm/ftrace.h +++ b/arch/s390/include/asm/ftrace.h @@ -9,11 +9,6 @@ struct dyn_arch_ftrace { }; #define MCOUNT_ADDR ((long)_mcount) -#ifdef CONFIG_64BIT -#define MCOUNT_INSN_SIZE 12 -#else -#define MCOUNT_INSN_SIZE 20 -#endif static inline unsigned long ftrace_call_adjust(unsigned long addr) { @@ -21,4 +16,11 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr) } #endif /* __ASSEMBLY__ */ + +#ifdef CONFIG_64BIT +#define MCOUNT_INSN_SIZE 12 +#else +#define MCOUNT_INSN_SIZE 22 +#endif + #endif /* _ASM_S390_FTRACE_H */ diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index 75ce9b065f9f..5d64fb7619cc 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -32,7 +32,7 @@ void storage_key_init_range(unsigned long start, unsigned long end); -static unsigned long pfmf(unsigned long function, unsigned long address) +static inline unsigned long pfmf(unsigned long function, unsigned long address) { asm volatile( " .insn rre,0xb9af0000,%[function],%[address]" @@ -44,17 +44,13 @@ static unsigned long pfmf(unsigned long function, unsigned long address) static inline void clear_page(void *page) { - if (MACHINE_HAS_PFMF) { - pfmf(0x10000, (unsigned long)page); - } else { - register unsigned long reg1 asm ("1") = 0; - register void *reg2 asm ("2") = page; - register unsigned long reg3 asm ("3") = 4096; - asm volatile( - " mvcl 2,0" - : "+d" (reg2), "+d" (reg3) : "d" (reg1) - : "memory", "cc"); - } + register unsigned long reg1 asm ("1") = 0; + register void *reg2 asm ("2") = page; + register unsigned long reg3 asm ("3") = 4096; + asm volatile( + " mvcl 2,0" + : "+d" (reg2), "+d" (reg3) : "d" (reg1) + : "memory", "cc"); } static inline void copy_page(void *to, void *from) diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 4105b8221fdd..0f0de30e3e3f 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -306,7 +306,7 @@ extern unsigned long MODULES_END; #define RCP_HC_BIT 0x00200000UL #define RCP_GR_BIT 0x00040000UL #define RCP_GC_BIT 0x00020000UL -#define RCP_IN_BIT 0x00008000UL /* IPTE notify bit */ +#define RCP_IN_BIT 0x00002000UL /* IPTE notify bit */ /* User dirty / referenced bit for KVM's migration feature */ #define KVM_UR_BIT 0x00008000UL @@ -374,7 +374,7 @@ extern unsigned long MODULES_END; #define RCP_HC_BIT 0x0020000000000000UL #define RCP_GR_BIT 0x0004000000000000UL #define RCP_GC_BIT 0x0002000000000000UL -#define RCP_IN_BIT 0x0000800000000000UL /* IPTE notify bit */ +#define RCP_IN_BIT 0x0000200000000000UL /* IPTE notify bit */ /* User dirty / referenced bit for KVM's migration feature */ #define KVM_UR_BIT 0x0000800000000000UL diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index 7f4a4a8c847c..be87d3e05a5b 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -1862,6 +1862,8 @@ void print_fn_code(unsigned char *code, unsigned long len) while (len) { ptr = buffer; opsize = insn_length(*code); + if (opsize > len) + break; ptr += sprintf(ptr, "%p: ", code); for (i = 0; i < opsize; i++) ptr += sprintf(ptr, "%02x", code[i]); diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index 78bdf0e5dff7..e3043aef87a9 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -16,12 +16,6 @@ #include <trace/syscall.h> #include <asm/asm-offsets.h> -#ifdef CONFIG_64BIT -#define MCOUNT_OFFSET_RET 12 -#else -#define MCOUNT_OFFSET_RET 22 -#endif - #ifdef CONFIG_DYNAMIC_FTRACE void ftrace_disable_code(void); @@ -155,9 +149,10 @@ unsigned long __kprobes prepare_ftrace_return(unsigned long parent, if (unlikely(atomic_read(¤t->tracing_graph_pause))) goto out; + ip = (ip & PSW_ADDR_INSN) - MCOUNT_INSN_SIZE; if (ftrace_push_return_trace(parent, ip, &trace.depth, 0) == -EBUSY) goto out; - trace.func = (ip & PSW_ADDR_INSN) - MCOUNT_OFFSET_RET; + trace.func = ip; /* Only trace if the calling function expects to. */ if (!ftrace_graph_entry(&trace)) { current->curr_ret_stack--; diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S index 4567ce20d900..08dcf21cb8df 100644 --- a/arch/s390/kernel/mcount.S +++ b/arch/s390/kernel/mcount.S @@ -7,6 +7,7 @@ #include <linux/linkage.h> #include <asm/asm-offsets.h> +#include <asm/ftrace.h> .section .kprobes.text, "ax" @@ -33,6 +34,7 @@ ENTRY(ftrace_caller) la %r2,0(%r14) st %r0,__SF_BACKCHAIN(%r15) la %r3,0(%r3) + ahi %r2,-MCOUNT_INSN_SIZE l %r14,0b-0b(%r1) l %r14,0(%r14) basr %r14,%r14 diff --git a/arch/s390/kernel/mcount64.S b/arch/s390/kernel/mcount64.S index 11332193db30..1c52eae3396a 100644 --- a/arch/s390/kernel/mcount64.S +++ b/arch/s390/kernel/mcount64.S @@ -7,6 +7,7 @@ #include <linux/linkage.h> #include <asm/asm-offsets.h> +#include <asm/ftrace.h> .section .kprobes.text, "ax" @@ -29,6 +30,7 @@ ENTRY(ftrace_caller) stg %r1,__SF_BACKCHAIN(%r15) lgr %r2,%r14 lg %r3,168(%r15) + aghi %r2,-MCOUNT_INSN_SIZE larl %r14,ftrace_trace_function lg %r14,0(%r14) basr %r14,%r14 diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 8074cb4b7cbf..05674b669001 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -645,7 +645,7 @@ static int __cpuinit __smp_rescan_cpus(struct sclp_cpu_info *info, continue; pcpu = pcpu_devices + cpu; pcpu->address = info->cpu[i].address; - pcpu->state = (cpu >= info->configured) ? + pcpu->state = (i >= info->configured) ? CPU_STATE_STANDBY : CPU_STATE_CONFIGURED; smp_cpu_set_polarization(cpu, POLARIZATION_UNKNOWN); set_cpu_present(cpu, true); diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 7805ddca833d..18dc417aaf79 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -677,8 +677,7 @@ int gmap_ipte_notify(struct gmap *gmap, unsigned long start, unsigned long len) break; } /* Get the page mapped */ - if (get_user_pages(current, gmap->mm, addr, 1, 1, 0, - NULL, NULL) != 1) { + if (fixup_user_fault(current, gmap->mm, addr, FAULT_FLAG_WRITE)) { rc = -EFAULT; break; } diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c index d8f988a37d16..0940682ab38b 100644 --- a/arch/score/mm/init.c +++ b/arch/score/mm/init.c @@ -41,8 +41,6 @@ unsigned long empty_zero_page; EXPORT_SYMBOL_GPL(empty_zero_page); -static struct kcore_list kcore_mem, kcore_vmalloc; - static void setup_zero_page(void) { struct page *page; diff --git a/arch/x86/pci/mrst.c b/arch/x86/pci/mrst.c index 0e0fabf17342..6eb18c42a28a 100644 --- a/arch/x86/pci/mrst.c +++ b/arch/x86/pci/mrst.c @@ -141,11 +141,6 @@ static int pci_device_update_fixed(struct pci_bus *bus, unsigned int devfn, */ static bool type1_access_ok(unsigned int bus, unsigned int devfn, int reg) { - if (bus == 0 && (devfn == PCI_DEVFN(2, 0) - || devfn == PCI_DEVFN(0, 0) - || devfn == PCI_DEVFN(3, 0))) - return 1; - /* This is a workaround for A0 LNC bug where PCI status register does * not have new CAP bit set. can not be written by SW either. * @@ -155,7 +150,10 @@ static bool type1_access_ok(unsigned int bus, unsigned int devfn, int reg) */ if (reg >= 0x100 || reg == PCI_STATUS || reg == PCI_HEADER_TYPE) return 0; - + if (bus == 0 && (devfn == PCI_DEVFN(2, 0) + || devfn == PCI_DEVFN(0, 0) + || devfn == PCI_DEVFN(3, 0))) + return 1; return 0; /* langwell on others */ } |