diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/Kbuild | 3 | ||||
| -rw-r--r-- | arch/sparc/Kconfig | 3 | ||||
| -rw-r--r-- | arch/sparc/Makefile | 3 | ||||
| -rw-r--r-- | arch/sparc/boot/Makefile | 8 | ||||
| -rw-r--r-- | arch/sparc/include/asm/ptrace.h | 8 | ||||
| -rw-r--r-- | arch/sparc/include/uapi/asm/socket.h | 3 | ||||
| -rw-r--r-- | arch/sparc/kernel/ioport.c | 76 | ||||
| -rw-r--r-- | arch/sparc/kernel/pci.c | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/smp_64.c | 2 |
9 files changed, 26 insertions, 82 deletions
diff --git a/arch/sparc/Kbuild b/arch/sparc/Kbuild index c9e574906a9b..71cb3d934bf6 100644 --- a/arch/sparc/Kbuild +++ b/arch/sparc/Kbuild @@ -9,3 +9,6 @@ obj-y += math-emu/ obj-y += net/ obj-y += crypto/ obj-$(CONFIG_SPARC64) += vdso/ + +# for cleaning +subdir- += boot diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index b120ed947f50..66fc08646be5 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -53,8 +53,9 @@ config SPARC32 def_bool !64BIT select ARCH_32BIT_OFF_T select ARCH_HAS_SYNC_DMA_FOR_CPU - select GENERIC_ATOMIC64 select CLZ_TAB + select DMA_DIRECT_REMAP + select GENERIC_ATOMIC64 select HAVE_UID16 select OLD_SIGACTION select ZONE_DMA diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index 24fb5a99f439..c7008bbebc4c 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -75,9 +75,6 @@ install: sh $(srctree)/$(boot)/install.sh $(KERNELRELEASE) $(KBUILD_IMAGE) \ System.map "$(INSTALL_PATH)" -archclean: - $(Q)$(MAKE) $(clean)=$(boot) - archheaders: $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile index 849236d4eca4..45e5c76d449e 100644 --- a/arch/sparc/boot/Makefile +++ b/arch/sparc/boot/Makefile @@ -22,7 +22,7 @@ ifeq ($(CONFIG_SPARC64),y) # Actual linking -$(obj)/zImage: $(obj)/image +$(obj)/zImage: $(obj)/image FORCE $(call if_changed,gzip) @echo ' kernel: $@ is ready' @@ -31,7 +31,7 @@ $(obj)/vmlinux.aout: vmlinux FORCE @echo ' kernel: $@ is ready' else -$(obj)/zImage: $(obj)/image +$(obj)/zImage: $(obj)/image FORCE $(call if_changed,strip) @echo ' kernel: $@ is ready' @@ -44,7 +44,7 @@ OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment $(obj)/image.bin: $(obj)/image FORCE $(call if_changed,objcopy) -$(obj)/image.gz: $(obj)/image.bin +$(obj)/image.gz: $(obj)/image.bin FORCE $(call if_changed,gzip) UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR) @@ -56,7 +56,7 @@ quiet_cmd_uimage.o = UIMAGE.O $@ -r -b binary $@ -o $@.o targets += uImage -$(obj)/uImage: $(obj)/image.gz +$(obj)/uImage: $(obj)/image.gz FORCE $(call if_changed,uimage) $(call if_changed,uimage.o) @echo ' Image $@ is ready' diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h index 71dd82b43cc5..d1419e669027 100644 --- a/arch/sparc/include/asm/ptrace.h +++ b/arch/sparc/include/asm/ptrace.h @@ -26,12 +26,12 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs) return (regs->tstate &= ~TSTATE_SYSCALL); } -#define arch_ptrace_stop_needed(exit_code, info) \ +#define arch_ptrace_stop_needed() \ ({ flush_user_windows(); \ get_thread_wsaved() != 0; \ }) -#define arch_ptrace_stop(exit_code, info) \ +#define arch_ptrace_stop() \ synchronize_user_stack() #define current_pt_regs() \ @@ -129,12 +129,12 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs) return (regs->psr &= ~PSR_SYSCALL); } -#define arch_ptrace_stop_needed(exit_code, info) \ +#define arch_ptrace_stop_needed() \ ({ flush_user_windows(); \ current_thread_info()->w_saved != 0; \ }) -#define arch_ptrace_stop(exit_code, info) \ +#define arch_ptrace_stop() \ synchronize_user_stack() #define current_pt_regs() \ diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h index e80ee8641ac3..2672dd03faf3 100644 --- a/arch/sparc/include/uapi/asm/socket.h +++ b/arch/sparc/include/uapi/asm/socket.h @@ -124,6 +124,9 @@ #define SO_BUF_LOCK 0x0051 +#define SO_RESERVE_MEM 0x0052 + + #if !defined(__KERNEL__) diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 7ceae24b0ca9..57a72c46eddb 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -52,17 +52,6 @@ #include <asm/io-unit.h> #include <asm/leon.h> -/* This function must make sure that caches and memory are coherent after DMA - * On LEON systems without cache snooping it flushes the entire D-CACHE. - */ -static inline void dma_make_coherent(unsigned long pa, unsigned long len) -{ - if (sparc_cpu_model == sparc_leon) { - if (!sparc_leon3_snooping_enabled()) - leon_flush_dcache_all(); - } -} - static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz); static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys, unsigned long size, char *name); @@ -311,68 +300,19 @@ arch_initcall(sparc_register_ioport); #endif /* CONFIG_SBUS */ - -/* Allocate and map kernel buffer using consistent mode DMA for a device. - * hwdev should be valid struct pci_dev pointer for PCI devices. - */ -void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, - gfp_t gfp, unsigned long attrs) -{ - unsigned long addr; - void *va; - - if (!size || size > 256 * 1024) /* __get_free_pages() limit */ - return NULL; - - size = PAGE_ALIGN(size); - va = (void *) __get_free_pages(gfp | __GFP_ZERO, get_order(size)); - if (!va) { - printk("%s: no %zd pages\n", __func__, size >> PAGE_SHIFT); - return NULL; - } - - addr = sparc_dma_alloc_resource(dev, size); - if (!addr) - goto err_nomem; - - srmmu_mapiorange(0, virt_to_phys(va), addr, size); - - *dma_handle = virt_to_phys(va); - return (void *)addr; - -err_nomem: - free_pages((unsigned long)va, get_order(size)); - return NULL; -} - -/* Free and unmap a consistent DMA buffer. - * cpu_addr is what was returned arch_dma_alloc, size must be the same as what - * was passed into arch_dma_alloc, and likewise dma_addr must be the same as - * what *dma_ndler was set to. +/* + * IIep is write-through, not flushing on cpu to device transfer. * - * References to the memory and mappings associated with cpu_addr/dma_addr - * past this call are illegal. + * On LEON systems without cache snooping, the entire D-CACHE must be flushed to + * make DMA to cacheable memory coherent. */ -void arch_dma_free(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t dma_addr, unsigned long attrs) -{ - size = PAGE_ALIGN(size); - - if (!sparc_dma_free_resource(cpu_addr, size)) - return; - - dma_make_coherent(dma_addr, size); - srmmu_unmapiorange((unsigned long)cpu_addr, size); - free_pages((unsigned long)phys_to_virt(dma_addr), get_order(size)); -} - -/* IIep is write-through, not flushing on cpu to device transfer. */ - void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size, enum dma_data_direction dir) { - if (dir != PCI_DMA_TODEVICE) - dma_make_coherent(paddr, PAGE_ALIGN(size)); + if (dir != PCI_DMA_TODEVICE && + sparc_cpu_model == sparc_leon && + !sparc_leon3_snooping_enabled()) + leon_flush_dcache_all(); } #ifdef CONFIG_PROC_FS diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 9c2b720bfd20..31b0c1983286 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -1010,7 +1010,7 @@ void pcibios_set_master(struct pci_dev *dev) } #ifdef CONFIG_PCI_IOV -int pcibios_add_device(struct pci_dev *dev) +int pcibios_device_add(struct pci_dev *dev) { struct pci_dev *pdev; diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index 0224d8f19ed6..b98a7bbe6728 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -1567,7 +1567,7 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, size_t size, static void __init pcpu_free_bootmem(void *ptr, size_t size) { - memblock_free(__pa(ptr), size); + memblock_free(ptr, size); } static int __init pcpu_cpu_distance(unsigned int from, unsigned int to) |