diff options
Diffstat (limited to 'arch')
150 files changed, 3067 insertions, 1834 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 8d24bacaa61e..26b0e2397a57 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -175,4 +175,7 @@ config HAVE_ARCH_JUMP_LABEL config HAVE_ARCH_MUTEX_CPU_RELAX bool +config HAVE_RCU_TABLE_FREE + bool + source "kernel/gcov/Kconfig" diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 9808998cc073..e3a82775f9da 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -12,6 +12,7 @@ config ALPHA select GENERIC_IRQ_PROBE select AUTO_IRQ_AFFINITY if SMP select GENERIC_IRQ_SHOW + select ARCH_WANT_OPTIONAL_GPIOLIB help The Alpha is a 64-bit general-purpose processor designed and marketed by the Digital Equipment Corporation of blessed memory, @@ -51,6 +52,9 @@ config GENERIC_CALIBRATE_DELAY config GENERIC_CMOS_UPDATE def_bool y +config GENERIC_GPIO + def_bool y + config ZONE_DMA bool default y diff --git a/arch/alpha/include/asm/gpio.h b/arch/alpha/include/asm/gpio.h new file mode 100644 index 000000000000..7dc6a6343c06 --- /dev/null +++ b/arch/alpha/include/asm/gpio.h @@ -0,0 +1,55 @@ +/* + * Generic GPIO API implementation for Alpha. + * + * A stright copy of that for PowerPC which was: + * + * Copyright (c) 2007-2008 MontaVista Software, Inc. + * + * Author: Anton Vorontsov <avorontsov@ru.mvista.com> + * + * 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. + */ + +#ifndef _ASM_ALPHA_GPIO_H +#define _ASM_ALPHA_GPIO_H + +#include <linux/errno.h> +#include <asm-generic/gpio.h> + +#ifdef CONFIG_GPIOLIB + +/* + * We don't (yet) implement inlined/rapid versions for on-chip gpios. + * Just call gpiolib. + */ +static inline int gpio_get_value(unsigned int gpio) +{ + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int value) +{ + __gpio_set_value(gpio, value); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return __gpio_cansleep(gpio); +} + +static inline int gpio_to_irq(unsigned int gpio) +{ + return __gpio_to_irq(gpio); +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return -EINVAL; +} + +#endif /* CONFIG_GPIOLIB */ + +#endif /* _ASM_ALPHA_GPIO_H */ diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h index 3f390e8cc0b3..c46e714aa3e0 100644 --- a/arch/alpha/include/asm/smp.h +++ b/arch/alpha/include/asm/smp.h @@ -39,8 +39,6 @@ struct cpuinfo_alpha { extern struct cpuinfo_alpha cpu_data[NR_CPUS]; -#define PROC_CHANGE_PENALTY 20 - #define hard_smp_processor_id() __hard_smp_processor_id() #define raw_smp_processor_id() (current_thread_info()->cpu) diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index 3ec35066f1dc..838eac128409 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -121,7 +121,7 @@ common_shutdown_1(void *generic_ptr) /* Wait for the secondaries to halt. */ set_cpu_present(boot_cpuid, false); set_cpu_possible(boot_cpuid, false); - while (cpus_weight(cpu_present_map)) + while (cpumask_weight(cpu_present_mask)) barrier(); #endif diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index edbddcbd5bc6..cc0fd862cf26 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -1257,7 +1257,7 @@ show_cpuinfo(struct seq_file *f, void *slot) #ifdef CONFIG_SMP seq_printf(f, "cpus active\t\t: %u\n" "cpu active mask\t\t: %016lx\n", - num_online_cpus(), cpus_addr(cpu_possible_map)[0]); + num_online_cpus(), cpumask_bits(cpu_possible_mask)[0]); #endif show_cache_size (f, "L1 Icache", alpha_l1i_cacheshape); diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 5a621c6d22ab..d739703608fc 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -451,7 +451,7 @@ setup_smp(void) } printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_map = %lx\n", - smp_num_probed, cpu_present_map.bits[0]); + smp_num_probed, cpumask_bits(cpu_present_mask)[0]); } /* @@ -629,8 +629,9 @@ smp_send_reschedule(int cpu) void smp_send_stop(void) { - cpumask_t to_whom = cpu_possible_map; - cpu_clear(smp_processor_id(), to_whom); + cpumask_t to_whom; + cpumask_copy(&to_whom, cpu_possible_mask); + cpumask_clear_cpu(smp_processor_id(), &to_whom); #ifdef DEBUG_IPI_MSG if (hard_smp_processor_id() != boot_cpu_id) printk(KERN_WARNING "smp_send_stop: Not on boot cpu.\n"); diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c index 5ac00fd4cd0c..f8856829c22a 100644 --- a/arch/alpha/kernel/sys_dp264.c +++ b/arch/alpha/kernel/sys_dp264.c @@ -140,7 +140,7 @@ cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) for (cpu = 0; cpu < 4; cpu++) { unsigned long aff = cpu_irq_affinity[cpu]; - if (cpu_isset(cpu, affinity)) + if (cpumask_test_cpu(cpu, &affinity)) aff |= 1UL << irq; else aff &= ~(1UL << irq); diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c index fea0e4620994..6994407e242a 100644 --- a/arch/alpha/kernel/sys_titan.c +++ b/arch/alpha/kernel/sys_titan.c @@ -65,10 +65,11 @@ titan_update_irq_hw(unsigned long mask) register int bcpu = boot_cpuid; #ifdef CONFIG_SMP - cpumask_t cpm = cpu_present_map; + cpumask_t cpm; volatile unsigned long *dim0, *dim1, *dim2, *dim3; unsigned long mask0, mask1, mask2, mask3, dummy; + cpumask_copy(&cpm, cpu_present_mask); mask &= ~isa_enable; mask0 = mask & titan_cpu_irq_affinity[0]; mask1 = mask & titan_cpu_irq_affinity[1]; @@ -84,10 +85,10 @@ titan_update_irq_hw(unsigned long mask) dim1 = &cchip->dim1.csr; dim2 = &cchip->dim2.csr; dim3 = &cchip->dim3.csr; - if (!cpu_isset(0, cpm)) dim0 = &dummy; - if (!cpu_isset(1, cpm)) dim1 = &dummy; - if (!cpu_isset(2, cpm)) dim2 = &dummy; - if (!cpu_isset(3, cpm)) dim3 = &dummy; + if (!cpumask_test_cpu(0, &cpm)) dim0 = &dummy; + if (!cpumask_test_cpu(1, &cpm)) dim1 = &dummy; + if (!cpumask_test_cpu(2, &cpm)) dim2 = &dummy; + if (!cpumask_test_cpu(3, &cpm)) dim3 = &dummy; *dim0 = mask0; *dim1 = mask1; @@ -137,7 +138,7 @@ titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) int cpu; for (cpu = 0; cpu < 4; cpu++) { - if (cpu_isset(cpu, affinity)) + if (cpumask_test_cpu(cpu, &affinity)) titan_cpu_irq_affinity[cpu] |= 1UL << irq; else titan_cpu_irq_affinity[cpu] &= ~(1UL << irq); diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c index 86425ab53bf5..69d0c5761e2f 100644 --- a/arch/alpha/mm/init.c +++ b/arch/alpha/mm/init.c @@ -32,8 +32,6 @@ #include <asm/console.h> #include <asm/tlb.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - extern void die_if_kernel(char *,struct pt_regs *,long); static struct pcb_struct original_pcb; diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c index 7b2c56d8f930..3973ae395772 100644 --- a/arch/alpha/mm/numa.c +++ b/arch/alpha/mm/numa.c @@ -313,6 +313,7 @@ void __init paging_init(void) zones_size[ZONE_DMA] = dma_local_pfn; zones_size[ZONE_NORMAL] = (end_pfn - start_pfn) - dma_local_pfn; } + node_set_state(nid, N_NORMAL_MEMORY); free_area_init_node(nid, zones_size, start_pfn, NULL); } diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 03d01d783e3b..81cbe40c159c 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -63,13 +63,6 @@ config DEBUG_USER 8 - SIGSEGV faults 16 - SIGBUS faults -config DEBUG_STACK_USAGE - bool "Enable stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T output. - # These options are only for real kernel hackers who want to get their hands dirty. config DEBUG_LL bool "Kernel low-level debugging functions" diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h index a87664f54f93..d2b514fd76f4 100644 --- a/arch/arm/include/asm/smp.h +++ b/arch/arm/include/asm/smp.h @@ -20,12 +20,6 @@ #define raw_smp_processor_id() (current_thread_info()->cpu) -/* - * at the moment, there's not a big penalty for changing CPUs - * (the >big< penalty is running SMP in the first place) - */ -#define PROC_CHANGE_PENALTY 15 - struct seq_file; /* diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index 82dfe5d0c41e..265f908c4a6e 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -41,12 +41,12 @@ */ #if defined(CONFIG_SMP) || defined(CONFIG_CPU_32v7) #define tlb_fast_mode(tlb) 0 -#define FREE_PTE_NR 500 #else #define tlb_fast_mode(tlb) 1 -#define FREE_PTE_NR 0 #endif +#define MMU_GATHER_BUNDLE 8 + /* * TLB handling. This allows us to remove pages from the page * tables, and efficiently handle the TLB issues. @@ -58,7 +58,9 @@ struct mmu_gather { unsigned long range_start; unsigned long range_end; unsigned int nr; - struct page *pages[FREE_PTE_NR]; + unsigned int max; + struct page **pages; + struct page *local[MMU_GATHER_BUNDLE]; }; DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); @@ -97,26 +99,37 @@ static inline void tlb_add_flush(struct mmu_gather *tlb, unsigned long addr) } } +static inline void __tlb_alloc_page(struct mmu_gather *tlb) +{ + unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0); + + if (addr) { + tlb->pages = (void *)addr; + tlb->max = PAGE_SIZE / sizeof(struct page *); + } +} + static inline void tlb_flush_mmu(struct mmu_gather *tlb) { tlb_flush(tlb); if (!tlb_fast_mode(tlb)) { free_pages_and_swap_cache(tlb->pages, tlb->nr); tlb->nr = 0; + if (tlb->pages == tlb->local) + __tlb_alloc_page(tlb); } } -static inline struct mmu_gather * -tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) +static inline void +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int fullmm) { - struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); - tlb->mm = mm; - tlb->fullmm = full_mm_flush; + tlb->fullmm = fullmm; tlb->vma = NULL; + tlb->max = ARRAY_SIZE(tlb->local); + tlb->pages = tlb->local; tlb->nr = 0; - - return tlb; + __tlb_alloc_page(tlb); } static inline void @@ -127,7 +140,8 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) /* keep the page table cache within bounds */ check_pgt_cache(); - put_cpu_var(mmu_gathers); + if (tlb->pages != tlb->local) + free_pages((unsigned long)tlb->pages, 0); } /* @@ -162,15 +176,22 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) tlb_flush(tlb); } -static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) +static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) { if (tlb_fast_mode(tlb)) { free_page_and_swap_cache(page); - } else { - tlb->pages[tlb->nr++] = page; - if (tlb->nr >= FREE_PTE_NR) - tlb_flush_mmu(tlb); + return 1; /* avoid calling tlb_flush_mmu */ } + + tlb->pages[tlb->nr++] = page; + VM_BUG_ON(tlb->nr > tlb->max); + return tlb->max - tlb->nr; +} + +static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + if (!__tlb_remove_page(tlb, page)) + tlb_flush_mmu(tlb); } static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, diff --git a/arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h b/arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h new file mode 100644 index 000000000000..292d55ed2113 --- /dev/null +++ b/arch/arm/mach-ixp4xx/include/mach/ixp46x_ts.h @@ -0,0 +1,78 @@ +/* + * PTP 1588 clock using the IXP46X + * + * Copyright (C) 2010 OMICRON electronics GmbH + * + * 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. + * + * 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, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _IXP46X_TS_H_ +#define _IXP46X_TS_H_ + +#define DEFAULT_ADDEND 0xF0000029 +#define TICKS_NS_SHIFT 4 + +struct ixp46x_channel_ctl { + u32 ch_control; /* 0x40 Time Synchronization Channel Control */ + u32 ch_event; /* 0x44 Time Synchronization Channel Event */ + u32 tx_snap_lo; /* 0x48 Transmit Snapshot Low Register */ + u32 tx_snap_hi; /* 0x4C Transmit Snapshot High Register */ + u32 rx_snap_lo; /* 0x50 Receive Snapshot Low Register */ + u32 rx_snap_hi; /* 0x54 Receive Snapshot High Register */ + u32 src_uuid_lo; /* 0x58 Source UUID0 Low Register */ + u32 src_uuid_hi; /* 0x5C Sequence Identifier/Source UUID0 High */ +}; + +struct ixp46x_ts_regs { + u32 control; /* 0x00 Time Sync Control Register */ + u32 event; /* 0x04 Time Sync Event Register */ + u32 addend; /* 0x08 Time Sync Addend Register */ + u32 accum; /* 0x0C Time Sync Accumulator Register */ + u32 test; /* 0x10 Time Sync Test Register */ + u32 unused; /* 0x14 */ + u32 rsystime_lo; /* 0x18 RawSystemTime_Low Register */ + u32 rsystime_hi; /* 0x1C RawSystemTime_High Register */ + u32 systime_lo; /* 0x20 SystemTime_Low Register */ + u32 systime_hi; /* 0x24 SystemTime_High Register */ + u32 trgt_lo; /* 0x28 TargetTime_Low Register */ + u32 trgt_hi; /* 0x2C TargetTime_High Register */ + u32 asms_lo; /* 0x30 Auxiliary Slave Mode Snapshot Low */ + u32 asms_hi; /* 0x34 Auxiliary Slave Mode Snapshot High */ + u32 amms_lo; /* 0x38 Auxiliary Master Mode Snapshot Low */ + u32 amms_hi; /* 0x3C Auxiliary Master Mode Snapshot High */ + + struct ixp46x_channel_ctl channel[3]; +}; + +/* 0x00 Time Sync Control Register Bits */ +#define TSCR_AMM (1<<3) +#define TSCR_ASM (1<<2) +#define TSCR_TTM (1<<1) +#define TSCR_RST (1<<0) + +/* 0x04 Time Sync Event Register Bits */ +#define TSER_SNM (1<<3) +#define TSER_SNS (1<<2) +#define TTIPEND (1<<1) + +/* 0x40 Time Synchronization Channel Control Register Bits */ +#define MASTER_MODE (1<<0) +#define TIMESTAMP_ALL (1<<1) + +/* 0x44 Time Synchronization Channel Event Register Bits */ +#define TX_SNAPSHOT_LOCKED (1<<0) +#define RX_SNAPSHOT_LOCKED (1<<1) + +#endif diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index 9afd087cc29c..23244cd0a5b6 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -37,8 +37,8 @@ #include <plat/common.h> #include <plat/dma.h> #include <plat/gpmc.h> -#include <plat/display.h> -#include <plat/panel-generic-dpi.h> +#include <video/omapdss.h> +#include <video/omap-panel-generic-dpi.h> #include <plat/gpmc-smc91x.h> diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 56702c5e577f..93edd7fcf451 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -36,7 +36,7 @@ #include <plat/usb.h> #include <plat/mmc.h> #include <plat/omap4-keypad.h> -#include <plat/display.h> +#include <video/omapdss.h> #include "mux.h" #include "hsmmc.h" @@ -680,6 +680,15 @@ static struct omap_dss_device sdp4430_hdmi_device = { .name = "hdmi", .driver_name = "hdmi_panel", .type = OMAP_DISPLAY_TYPE_HDMI, + .clocks = { + .dispc = { + .dispc_fclk_src = OMAP_DSS_CLK_SRC_FCK, + }, + .hdmi = { + .regn = 15, + .regm2 = 1, + }, + }, .platform_enable = sdp4430_panel_enable_hdmi, .platform_disable = sdp4430_panel_disable_hdmi, .channel = OMAP_DSS_CHANNEL_DIGIT, diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index ce7d5e6e4150..ff8c59be36e5 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -34,8 +34,8 @@ #include <plat/board.h> #include <plat/common.h> #include <plat/usb.h> -#include <plat/display.h> -#include <plat/panel-generic-dpi.h> +#include <video/omapdss.h> +#include <video/omap-panel-generic-dpi.h> #include "mux.h" #include "control.h" diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index 02a12b41c0ff..9340f6a06f4a 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -45,8 +45,8 @@ #include <plat/nand.h> #include <plat/gpmc.h> #include <plat/usb.h> -#include <plat/display.h> -#include <plat/panel-generic-dpi.h> +#include <video/omapdss.h> +#include <video/omap-panel-generic-dpi.h> #include <plat/mcspi.h> #include <mach/hardware.h> diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 65f9fde2c567..1d1b56a29fb1 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -45,8 +45,8 @@ #include <plat/gpmc.h> #include <plat/nand.h> #include <plat/usb.h> -#include <plat/display.h> -#include <plat/panel-generic-dpi.h> +#include <video/omapdss.h> +#include <video/omap-panel-generic-dpi.h> #include <plat/mcspi.h> #include <linux/input/matrix_keypad.h> diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index 34cf982b9679..3da64d361651 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -31,8 +31,8 @@ #include <plat/common.h> #include <plat/gpmc.h> #include <plat/usb.h> -#include <plat/display.h> -#include <plat/panel-generic-dpi.h> +#include <video/omapdss.h> +#include <video/omap-panel-generic-dpi.h> #include <plat/onenand.h> #include "mux.h" diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 33007fd4a083..97750d483a70 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -41,8 +41,8 @@ #include <plat/board.h> #include <plat/common.h> -#include <plat/display.h> -#include <plat/panel-generic-dpi.h> +#include <video/omapdss.h> +#include <video/omap-panel-generic-dpi.h> #include <plat/gpmc.h> #include <plat/nand.h> #include <plat/usb.h> diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 5a1a916e5cc8..7f94cccdb076 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -44,8 +44,8 @@ #include <plat/usb.h> #include <plat/common.h> #include <plat/mcspi.h> -#include <plat/display.h> -#include <plat/panel-generic-dpi.h> +#include <video/omapdss.h> +#include <video/omap-panel-generic-dpi.h> #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h" diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index 07dba888f450..1db15492d82b 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -46,7 +46,7 @@ #include <mach/hardware.h> #include <plat/mcspi.h> #include <plat/usb.h> -#include <plat/display.h> +#include <video/omapdss.h> #include <plat/nand.h> #include "mux.h" diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c index a6e0b9161c99..a72c90a08c8a 100644 --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -39,8 +39,8 @@ #include <plat/gpmc.h> #include <plat/nand.h> #include <plat/usb.h> -#include <plat/display.h> -#include <plat/panel-generic-dpi.h> +#include <video/omapdss.h> +#include <video/omap-panel-generic-dpi.h> #include <plat/mcspi.h> #include <linux/input/matrix_keypad.h> diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index f3a7b1011914..e4973ac77cbc 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -34,13 +34,13 @@ #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <plat/display.h> +#include <video/omapdss.h> #include <plat/board.h> #include <plat/common.h> #include <plat/usb.h> #include <plat/mmc.h> -#include <plat/panel-generic-dpi.h> +#include <video/omap-panel-generic-dpi.h> #include "timer-gp.h" #include "hsmmc.h" diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 59ca33326b8c..9d192ff3b9ac 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -43,8 +43,8 @@ #include <plat/board.h> #include <plat/common.h> -#include <plat/display.h> -#include <plat/panel-generic-dpi.h> +#include <video/omapdss.h> +#include <video/omap-panel-generic-dpi.h> #include <mach/gpio.h> #include <plat/gpmc.h> #include <mach/hardware.h> diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c index 89a66db8b77d..2df10b6a5940 100644 --- a/arch/arm/mach-omap2/board-rx51-video.c +++ b/arch/arm/mach-omap2/board-rx51-video.c @@ -15,7 +15,7 @@ #include <linux/spi/spi.h> #include <linux/mm.h> #include <asm/mach-types.h> -#include <plat/display.h> +#include <video/omapdss.h> #include <plat/vram.h> #include <plat/mcspi.h> diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c index 37b84c2b850f..60e8645db59d 100644 --- a/arch/arm/mach-omap2/board-zoom-display.c +++ b/arch/arm/mach-omap2/board-zoom-display.c @@ -15,7 +15,7 @@ #include <linux/i2c/twl.h> #include <linux/spi/spi.h> #include <plat/mcspi.h> -#include <plat/display.h> +#include <video/omapdss.h> #define LCD_PANEL_RESET_GPIO_PROD 96 #define LCD_PANEL_RESET_GPIO_PILOT 55 diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index 256d23fb79ab..543fcb8b518c 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -22,7 +22,7 @@ #include <linux/clk.h> #include <linux/err.h> -#include <plat/display.h> +#include <video/omapdss.h> #include <plat/omap_hwmod.h> #include <plat/omap_device.h> @@ -56,37 +56,58 @@ static bool opt_clock_available(const char *clk_role) return false; } +struct omap_dss_hwmod_data { + const char *oh_name; + const char *dev_name; + const int id; +}; + +static const struct omap_dss_hwmod_data omap2_dss_hwmod_data[] __initdata = { + { "dss_core", "omapdss_dss", -1 }, + { "dss_dispc", "omapdss_dispc", -1 }, + { "dss_rfbi", "omapdss_rfbi", -1 }, + { "dss_venc", "omapdss_venc", -1 }, +}; + +static const struct omap_dss_hwmod_data omap3_dss_hwmod_data[] __initdata = { + { "dss_core", "omapdss_dss", -1 }, + { "dss_dispc", "omapdss_dispc", -1 }, + { "dss_rfbi", "omapdss_rfbi", -1 }, + { "dss_venc", "omapdss_venc", -1 }, + { "dss_dsi1", "omapdss_dsi1", -1 }, +}; + +static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initdata = { + { "dss_core", "omapdss_dss", -1 }, + { "dss_dispc", "omapdss_dispc", -1 }, + { "dss_rfbi", "omapdss_rfbi", -1 }, + { "dss_venc", "omapdss_venc", -1 }, + { "dss_dsi1", "omapdss_dsi1", -1 }, + { "dss_dsi2", "omapdss_dsi2", -1 }, + { "dss_hdmi", "omapdss_hdmi", -1 }, +}; + int __init omap_display_init(struct omap_dss_board_info *board_data) { int r = 0; struct omap_hwmod *oh; struct omap_device *od; - int i; + int i, oh_count; struct omap_display_platform_data pdata; - - /* - * omap: valid DSS hwmod names - * omap2,3,4: dss_core, dss_dispc, dss_rfbi, dss_venc - * omap3,4: dss_dsi1 - * omap4: dss_dsi2, dss_hdmi - */ - char *oh_name[] = { "dss_core", "dss_dispc", "dss_rfbi", "dss_venc", - "dss_dsi1", "dss_dsi2", "dss_hdmi" }; - char *dev_name[] = { "omapdss_dss", "omapdss_dispc", "omapdss_rfbi", - "omapdss_venc", "omapdss_dsi1", "omapdss_dsi2", - "omapdss_hdmi" }; - int oh_count; + const struct omap_dss_hwmod_data *curr_dss_hwmod; memset(&pdata, 0, sizeof(pdata)); - if (cpu_is_omap24xx()) - oh_count = ARRAY_SIZE(oh_name) - 3; - /* last 3 hwmod dev in oh_name are not available for omap2 */ - else if (cpu_is_omap44xx()) - oh_count = ARRAY_SIZE(oh_name); - else - oh_count = ARRAY_SIZE(oh_name) - 2; - /* last 2 hwmod dev in oh_name are not available for omap3 */ + if (cpu_is_omap24xx()) { + curr_dss_hwmod = omap2_dss_hwmod_data; + oh_count = ARRAY_SIZE(omap2_dss_hwmod_data); + } else if (cpu_is_omap34xx()) { + curr_dss_hwmod = omap3_dss_hwmod_data; + oh_count = ARRAY_SIZE(omap3_dss_hwmod_data); + } else { + curr_dss_hwmod = omap4_dss_hwmod_data; + oh_count = ARRAY_SIZE(omap4_dss_hwmod_data); + } /* opt_clks are always associated with dss hwmod */ oh_core = omap_hwmod_lookup("dss_core"); @@ -100,19 +121,21 @@ int __init omap_display_init(struct omap_dss_board_info *board_data) pdata.opt_clock_available = opt_clock_available; for (i = 0; i < oh_count; i++) { - oh = omap_hwmod_lookup(oh_name[i]); + oh = omap_hwmod_lookup(curr_dss_hwmod[i].oh_name); if (!oh) { - pr_err("Could not look up %s\n", oh_name[i]); + pr_err("Could not look up %s\n", + curr_dss_hwmod[i].oh_name); return -ENODEV; } - od = omap_device_build(dev_name[i], -1, oh, &pdata, + od = omap_device_build(curr_dss_hwmod[i].dev_name, + curr_dss_hwmod[i].id, oh, &pdata, sizeof(struct omap_display_platform_data), omap_dss_latency, ARRAY_SIZE(omap_dss_latency), 0); if (WARN((IS_ERR(od)), "Could not build omap_device for %s\n", - oh_name[i])) + curr_dss_hwmod[i].oh_name)) return -ENODEV; } omap_display_device.dev.platform_data = board_data; diff --git a/arch/arm/mach-omap2/include/mach/board-zoom.h b/arch/arm/mach-omap2/include/mach/board-zoom.h index d20bd9c1a106..775fdc3b000b 100644 --- a/arch/arm/mach-omap2/include/mach/board-zoom.h +++ b/arch/arm/mach-omap2/include/mach/board-zoom.h @@ -1,7 +1,7 @@ /* * Defines for zoom boards */ -#include <plat/display.h> +#include <video/omapdss.h> #define ZOOM_NAND_CS 0 diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index e2507f66f9d5..612b27000c3e 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -30,6 +30,11 @@ obj-$(CONFIG_ARCH_SH7377) += entry-intc.o obj-$(CONFIG_ARCH_SH7372) += entry-intc.o obj-$(CONFIG_ARCH_SH73A0) += entry-gic.o +# PM objects +obj-$(CONFIG_SUSPEND) += suspend.o +obj-$(CONFIG_CPU_IDLE) += cpuidle.o +obj-$(CONFIG_ARCH_SH7372) += pm-sh7372.o sleep-sh7372.o + # Board objects obj-$(CONFIG_MACH_G3EVM) += board-g3evm.o obj-$(CONFIG_MACH_G4EVM) += board-g4evm.o diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index 3e6f0aab460b..c95258c274c1 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -34,6 +34,8 @@ #include <linux/input/sh_keysc.h> #include <linux/mmc/host.h> #include <linux/mmc/sh_mmcif.h> +#include <linux/mmc/sh_mobile_sdhi.h> +#include <linux/mfd/tmio.h> #include <linux/sh_clk.h> #include <video/sh_mobile_lcdc.h> #include <video/sh_mipi_dsi.h> @@ -156,10 +158,19 @@ static struct resource sh_mmcif_resources[] = { }, }; +static struct sh_mmcif_dma sh_mmcif_dma = { + .chan_priv_rx = { + .slave_id = SHDMA_SLAVE_MMCIF_RX, + }, + .chan_priv_tx = { + .slave_id = SHDMA_SLAVE_MMCIF_TX, + }, +}; static struct sh_mmcif_plat_data sh_mmcif_platdata = { .sup_pclk = 0, .ocr = MMC_VDD_165_195, .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, + .dma = &sh_mmcif_dma, }; static struct platform_device mmc_device = { @@ -296,11 +307,13 @@ static struct platform_device lcdc0_device = { /* MIPI-DSI */ static struct resource mipidsi0_resources[] = { [0] = { + .name = "DSI0", .start = 0xfeab0000, .end = 0xfeab3fff, .flags = IORESOURCE_MEM, }, [1] = { + .name = "DSI0", .start = 0xfeab4000, .end = 0xfeab7fff, .flags = IORESOURCE_MEM, @@ -325,6 +338,89 @@ static struct platform_device mipidsi0_device = { }, }; +static struct sh_mobile_sdhi_info sdhi0_info = { + .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX, + .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX, + .tmio_caps = MMC_CAP_SD_HIGHSPEED, + .tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, +}; + +static struct resource sdhi0_resources[] = { + [0] = { + .name = "SDHI0", + .start = 0xee100000, + .end = 0xee1000ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(83), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = gic_spi(84), + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = gic_spi(85), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi0_device = { + .name = "sh_mobile_sdhi", + .id = 0, + .num_resources = ARRAY_SIZE(sdhi0_resources), + .resource = sdhi0_resources, + .dev = { + .platform_data = &sdhi0_info, + }, +}; + +void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state) +{ + gpio_set_value(GPIO_PORT114, state); +} + +static struct sh_mobile_sdhi_info sh_sdhi1_platdata = { + .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX, + .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX, + .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE, + .tmio_caps = MMC_CAP_NONREMOVABLE, + .tmio_ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .set_pwr = ag5evm_sdhi1_set_pwr, +}; + +static struct resource sdhi1_resources[] = { + [0] = { + .name = "SDHI1", + .start = 0xee120000, + .end = 0xee1200ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(87), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = gic_spi(88), + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = gic_spi(89), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi1_device = { + .name = "sh_mobile_sdhi", + .id = 1, + .dev = { + .platform_data = &sh_sdhi1_platdata, + }, + .num_resources = ARRAY_SIZE(sdhi1_resources), + .resource = sdhi1_resources, +}; + static struct platform_device *ag5evm_devices[] __initdata = { ð_device, &keysc_device, @@ -333,6 +429,8 @@ static struct platform_device *ag5evm_devices[] __initdata = { &irda_device, &lcdc0_device, &mipidsi0_device, + &sdhi0_device, + &sdhi1_device, }; static struct map_desc ag5evm_io_desc[] __initdata = { @@ -454,6 +552,26 @@ static void __init ag5evm_init(void) /* MIPI-DSI clock setup */ __raw_writel(0x2a809010, DSI0PHYCR); + /* enable SDHI0 on CN15 [SD I/F] */ + gpio_request(GPIO_FN_SDHICD0, NULL); + gpio_request(GPIO_FN_SDHIWP0, NULL); + gpio_request(GPIO_FN_SDHICMD0, NULL); + gpio_request(GPIO_FN_SDHICLK0, NULL); + gpio_request(GPIO_FN_SDHID0_3, NULL); + gpio_request(GPIO_FN_SDHID0_2, NULL); + gpio_request(GPIO_FN_SDHID0_1, NULL); + gpio_request(GPIO_FN_SDHID0_0, NULL); + + /* enable SDHI1 on CN4 [WLAN I/F] */ + gpio_request(GPIO_FN_SDHICLK1, NULL); + gpio_request(GPIO_FN_SDHICMD1_PU, NULL); + gpio_request(GPIO_FN_SDHID1_3_PU, NULL); + gpio_request(GPIO_FN_SDHID1_2_PU, NULL); + gpio_request(GPIO_FN_SDHID1_1_PU, NULL); + gpio_request(GPIO_FN_SDHID1_0_PU, NULL); + gpio_request(GPIO_PORT114, "sdhi1_power"); + gpio_direction_output(GPIO_PORT114, 0); + #ifdef CONFIG_CACHE_L2X0 /* Shared attribute override enable, 64K*8way */ l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff); diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 1e35fa976d64..08acb6ec8139 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -316,8 +316,16 @@ static struct resource sdhi0_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0e00) /* SDHI0 */, - .flags = IORESOURCE_IRQ, + .start = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */, + .flags = IORESOURCE_IRQ, }, }; @@ -349,8 +357,16 @@ static struct resource sdhi1_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0e80), - .flags = IORESOURCE_IRQ, + .start = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */ + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */ + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */ + .flags = IORESOURCE_IRQ, }, }; @@ -980,11 +996,6 @@ static void __init hdmi_init_pm_clock(void) goto out; } - ret = clk_enable(&sh7372_pllc2_clk); - if (ret < 0) { - pr_err("Cannot enable pllc2 clock\n"); - goto out; - } pr_debug("PLLC2 set frequency %lu\n", rate); ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk); @@ -1343,6 +1354,7 @@ static void __init ap4evb_init(void) hdmi_init_pm_clock(); fsi_init_pm_clock(); + sh7372_pm_init(); } static void __init ap4evb_timer_init(void) diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c index c87a7b7c5832..8e3c5559f27f 100644 --- a/arch/arm/mach-shmobile/board-g4evm.c +++ b/arch/arm/mach-shmobile/board-g4evm.c @@ -205,7 +205,7 @@ static struct resource sdhi0_resources[] = { [0] = { .name = "SDHI0", .start = 0xe6d50000, - .end = 0xe6d50nff, + .end = 0xe6d500ff, .flags = IORESOURCE_MEM, }, [1] = { diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 7da2ca24229d..448ddbe43335 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -43,6 +43,7 @@ #include <linux/sh_intc.h> #include <linux/tca6416_keypad.h> #include <linux/usb/r8a66597.h> +#include <linux/usb/renesas_usbhs.h> #include <video/sh_mobile_hdmi.h> #include <video/sh_mobile_lcdc.h> @@ -143,7 +144,30 @@ * open | external VBUS | Function * * *1 - * CN31 is used as Host in Linux. + * CN31 is used as + * CONFIG_USB_R8A66597_HCD Host + * CONFIG_USB_RENESAS_USBHS Function + * + * CAUTION + * + * renesas_usbhs driver can use external interrupt mode + * (which come from USB-PHY) or autonomy mode (it use own interrupt) + * for detecting connection/disconnection when Function. + * USB will be power OFF while it has been disconnecting + * if external interrupt mode, and it is always power ON if autonomy mode, + * + * mackerel can not use external interrupt (IRQ7-PORT167) mode on "USB0", + * because Touchscreen is using IRQ7-PORT40. + * It is impossible to use IRQ7 demux on this board. + * + * We can use external interrupt mode USB-Function on "USB1". + * USB1 can become Host by r8a66597, and become Function by renesas_usbhs. + * But don't select both drivers in same time. + * These uses same IRQ number for request_irq(), and aren't supporting + * IRQF_SHARD / IORESOURCE_IRQ_SHAREABLE. + * + * Actually these are old/new version of USB driver. + * This mean its register will be broken if it supports SHARD IRQ, */ /* @@ -185,6 +209,7 @@ * FIXME !! * * gpio_no_direction + * gpio_pull_down * are quick_hack. * * current gpio frame work doesn't have @@ -196,6 +221,16 @@ static void __init gpio_no_direction(u32 addr) __raw_writeb(0x00, addr); } +static void __init gpio_pull_down(u32 addr) +{ + u8 data = __raw_readb(addr); + + data &= 0x0F; + data |= 0xA0; + + __raw_writeb(data, addr); +} + /* MTD */ static struct mtd_partition nor_flash_partitions[] = { { @@ -458,12 +493,6 @@ static void __init hdmi_init_pm_clock(void) goto out; } - ret = clk_enable(&sh7372_pllc2_clk); - if (ret < 0) { - pr_err("Cannot enable pllc2 clock\n"); - goto out; - } - pr_debug("PLLC2 set frequency %lu\n", rate); ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk); @@ -515,6 +544,157 @@ static struct platform_device usb1_host_device = { .resource = usb1_host_resources, }; +/* USB1 (Function) */ +#define USB_PHY_MODE (1 << 4) +#define USB_PHY_INT_EN ((1 << 3) | (1 << 2)) +#define USB_PHY_ON (1 << 1) +#define USB_PHY_OFF (1 << 0) +#define USB_PHY_INT_CLR (USB_PHY_ON | USB_PHY_OFF) + +struct usbhs_private { + unsigned int irq; + unsigned int usbphyaddr; + unsigned int usbcrcaddr; + struct renesas_usbhs_platform_info info; +}; + +#define usbhs_get_priv(pdev) \ + container_of(renesas_usbhs_get_info(pdev), \ + struct usbhs_private, info) + +#define usbhs_is_connected(priv) \ + (!((1 << 7) & __raw_readw(priv->usbcrcaddr))) + +static int usbhs1_get_id(struct platform_device *pdev) +{ + return USBHS_GADGET; +} + +static int usbhs1_get_vbus(struct platform_device *pdev) +{ + return usbhs_is_connected(usbhs_get_priv(pdev)); +} + +static irqreturn_t usbhs1_interrupt(int irq, void *data) +{ + struct platform_device *pdev = data; + struct usbhs_private *priv = usbhs_get_priv(pdev); + + dev_dbg(&pdev->dev, "%s\n", __func__); + + renesas_usbhs_call_notify_hotplug(pdev); + + /* clear status */ + __raw_writew(__raw_readw(priv->usbphyaddr) | USB_PHY_INT_CLR, + priv->usbphyaddr); + + return IRQ_HANDLED; +} + +static int usbhs1_hardware_init(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + int ret; + + irq_set_irq_type(priv->irq, IRQ_TYPE_LEVEL_HIGH); + + /* clear interrupt status */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr); + + ret = request_irq(priv->irq, usbhs1_interrupt, 0, + dev_name(&pdev->dev), pdev); + if (ret) { + dev_err(&pdev->dev, "request_irq err\n"); + return ret; + } + + /* enable USB phy interrupt */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_EN, priv->usbphyaddr); + + return 0; +} + +static void usbhs1_hardware_exit(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + /* clear interrupt status */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr); + + free_irq(priv->irq, pdev); +} + +static void usbhs1_phy_reset(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + /* init phy */ + __raw_writew(0x8a0a, priv->usbcrcaddr); +} + +static u32 usbhs1_pipe_cfg[] = { + USB_ENDPOINT_XFER_CONTROL, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, +}; + +static struct usbhs_private usbhs1_private = { + .irq = evt2irq(0x0300), /* IRQ8 */ + .usbphyaddr = 0xE60581E2, /* USBPHY1INTAP */ + .usbcrcaddr = 0xE6058130, /* USBCR4 */ + .info = { + .platform_callback = { + .hardware_init = usbhs1_hardware_init, + .hardware_exit = usbhs1_hardware_exit, + .phy_reset = usbhs1_phy_reset, + .get_id = usbhs1_get_id, + .get_vbus = usbhs1_get_vbus, + }, + .driver_param = { + .buswait_bwait = 4, + .pipe_type = usbhs1_pipe_cfg, + .pipe_size = ARRAY_SIZE(usbhs1_pipe_cfg), + }, + }, +}; + +static struct resource usbhs1_resources[] = { + [0] = { + .name = "USBHS", + .start = 0xE68B0000, + .end = 0xE68B00E6 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x1ce0) /* USB1_USB1I0 */, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usbhs1_device = { + .name = "renesas_usbhs", + .id = 1, + .dev = { + .platform_data = &usbhs1_private.info, + }, + .num_resources = ARRAY_SIZE(usbhs1_resources), + .resource = usbhs1_resources, +}; + + /* LED */ static struct gpio_led mackerel_leds[] = { { @@ -690,7 +870,15 @@ static struct resource sdhi0_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0e00) /* SDHI0 */, + .start = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */, .flags = IORESOURCE_IRQ, }, }; @@ -705,7 +893,7 @@ static struct platform_device sdhi0_device = { }, }; -#if !defined(CONFIG_MMC_SH_MMCIF) +#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) /* SDHI1 */ static struct sh_mobile_sdhi_info sdhi1_info = { .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX, @@ -725,7 +913,15 @@ static struct resource sdhi1_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0e80), + .start = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */ + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */ + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */ .flags = IORESOURCE_IRQ, }, }; @@ -768,7 +964,15 @@ static struct resource sdhi2_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x1200), + .start = evt2irq(0x1200), /* SDHI2_SDHI2I0 */ + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x1220), /* SDHI2_SDHI2I1 */ + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x1240), /* SDHI2_SDHI2I2 */ .flags = IORESOURCE_IRQ, }, }; @@ -803,6 +1007,15 @@ static struct resource sh_mmcif_resources[] = { }, }; +static struct sh_mmcif_dma sh_mmcif_dma = { + .chan_priv_rx = { + .slave_id = SHDMA_SLAVE_MMCIF_RX, + }, + .chan_priv_tx = { + .slave_id = SHDMA_SLAVE_MMCIF_TX, + }, +}; + static struct sh_mmcif_plat_data sh_mmcif_plat = { .sup_pclk = 0, .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34, @@ -810,6 +1023,7 @@ static struct sh_mmcif_plat_data sh_mmcif_plat = { MMC_CAP_8_BIT_DATA | MMC_CAP_NEEDS_POLL, .get_cd = slot_cn7_get_cd, + .dma = &sh_mmcif_dma, }; static struct platform_device sh_mmcif_device = { @@ -858,37 +1072,23 @@ static struct soc_camera_link camera_link = { .priv = &camera_info, }; -static void dummy_release(struct device *dev) +static struct platform_device *camera_device; + +static void mackerel_camera_release(struct device *dev) { + soc_camera_platform_release(&camera_device); } -static struct platform_device camera_device = { - .name = "soc_camera_platform", - .dev = { - .platform_data = &camera_info, - .release = dummy_release, - }, -}; - static int mackerel_camera_add(struct soc_camera_link *icl, struct device *dev) { - if (icl != &camera_link) - return -ENODEV; - - camera_info.dev = dev; - - return platform_device_register(&camera_device); + return soc_camera_platform_add(icl, dev, &camera_device, &camera_link, + mackerel_camera_release, 0); } static void mackerel_camera_del(struct soc_camera_link *icl) { - if (icl != &camera_link) - return; - - platform_device_unregister(&camera_device); - memset(&camera_device.dev.kobj, 0, - sizeof(camera_device.dev.kobj)); + soc_camera_platform_del(icl, camera_device, &camera_link); } static struct sh_mobile_ceu_info sh_mobile_ceu_info = { @@ -935,12 +1135,13 @@ static struct platform_device *mackerel_devices[] __initdata = { &smc911x_device, &lcdc_device, &usb1_host_device, + &usbhs1_device, &leds_device, &fsi_device, &fsi_ak4643_device, &fsi_hdmi_device, &sdhi0_device, -#if !defined(CONFIG_MMC_SH_MMCIF) +#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) &sdhi1_device, #endif &sdhi2_device, @@ -1030,6 +1231,7 @@ static void __init mackerel_map_io(void) #define GPIO_PORT9CR 0xE6051009 #define GPIO_PORT10CR 0xE605100A +#define GPIO_PORT168CR 0xE60520A8 #define SRCR4 0xe61580bc #define USCCR1 0xE6058144 static void __init mackerel_init(void) @@ -1088,6 +1290,7 @@ static void __init mackerel_init(void) gpio_request(GPIO_FN_OVCN_1_114, NULL); gpio_request(GPIO_FN_EXTLP_1, NULL); gpio_request(GPIO_FN_OVCN2_1, NULL); + gpio_pull_down(GPIO_PORT168CR); /* setup USB phy */ __raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */ @@ -1140,7 +1343,7 @@ static void __init mackerel_init(void) gpio_request(GPIO_FN_SDHID0_1, NULL); gpio_request(GPIO_FN_SDHID0_0, NULL); -#if !defined(CONFIG_MMC_SH_MMCIF) +#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) /* enable SDHI1 */ gpio_request(GPIO_FN_SDHICMD1, NULL); gpio_request(GPIO_FN_SDHICLK1, NULL); @@ -1216,6 +1419,7 @@ static void __init mackerel_init(void) platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices)); hdmi_init_pm_clock(); + sh7372_pm_init(); } static void __init mackerel_timer_init(void) diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index e9731b5a73ed..d17eb66f4ac2 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -44,6 +44,11 @@ #define DSI1PCKCR 0xe6150098 #define PLLC01CR 0xe6150028 #define PLLC2CR 0xe615002c +#define RMSTPCR0 0xe6150110 +#define RMSTPCR1 0xe6150114 +#define RMSTPCR2 0xe6150118 +#define RMSTPCR3 0xe615011c +#define RMSTPCR4 0xe6150120 #define SMSTPCR0 0xe6150130 #define SMSTPCR1 0xe6150134 #define SMSTPCR2 0xe6150138 @@ -421,9 +426,6 @@ static unsigned long fsidiv_recalc(struct clk *clk) value = __raw_readl(clk->mapping->base); - if ((value & 0x3) != 0x3) - return 0; - value >>= 16; if (value < 2) return 0; @@ -504,7 +506,7 @@ static struct clk *late_main_clks[] = { enum { MSTP001, MSTP131, MSTP130, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, - MSTP118, MSTP117, MSTP116, + MSTP118, MSTP117, MSTP116, MSTP113, MSTP106, MSTP101, MSTP100, MSTP223, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, @@ -527,6 +529,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX */ [MSTP117] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */ [MSTP116] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */ + [MSTP113] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 13, 0), /* MERAM */ [MSTP106] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 6, 0), /* JPU */ [MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */ [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ @@ -617,6 +620,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX0 */ CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */ CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */ + CLKDEV_DEV_ID("sh_mobile_meram.0", &mstp_clks[MSTP113]), /* MERAM */ CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */ CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[MSTP101]), /* VPU */ CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ @@ -634,6 +638,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */ CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USB0 */ CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP322]), /* USB0 */ + CLKDEV_DEV_ID("renesas_usbhs.0", &mstp_clks[MSTP322]), /* USB0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */ @@ -644,6 +649,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */ CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */ CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */ + CLKDEV_DEV_ID("renesas_usbhs.1", &mstp_clks[MSTP406]), /* USB1 */ CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]), @@ -655,6 +661,13 @@ void __init sh7372_clock_init(void) { int k, ret = 0; + /* make sure MSTP bits on the RT/SH4AL-DSP side are off */ + __raw_writel(0xe4ef8087, RMSTPCR0); + __raw_writel(0xffffffff, RMSTPCR1); + __raw_writel(0x37c7f7ff, RMSTPCR2); + __raw_writel(0xffffffff, RMSTPCR3); + __raw_writel(0xffe0fffd, RMSTPCR4); + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) ret = clk_register(main_clks[k]); diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 7e58904c1c8c..bcacb1e8cf85 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -266,7 +266,8 @@ enum { MSTP001, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100, MSTP219, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, - MSTP331, MSTP329, MSTP325, MSTP323, MSTP312, + MSTP331, MSTP329, MSTP325, MSTP323, MSTP318, + MSTP314, MSTP313, MSTP312, MSTP311, MSTP411, MSTP410, MSTP403, MSTP_NR }; @@ -295,7 +296,11 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */ [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */ + [MSTP318] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 18, 0), /* SY-DMAC */ + [MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */ + [MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */ [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */ + [MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */ [MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */ [MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */ [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ @@ -313,6 +318,9 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), + CLKDEV_CON_ID("sdhi0_clk", &div6_clks[DIV6_SDHI0]), + CLKDEV_CON_ID("sdhi1_clk", &div6_clks[DIV6_SDHI1]), + CLKDEV_CON_ID("sdhi2_clk", &div6_clks[DIV6_SDHI2]), CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]), CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]), CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]), @@ -341,7 +349,11 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */ CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */ + CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP318]), /* SY-DMAC */ + CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */ CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */ CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */ CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ @@ -351,6 +363,11 @@ void __init sh73a0_clock_init(void) { int k, ret = 0; + /* Set SDHI clocks to a known state */ + __raw_writel(0x108, SD0CKCR); + __raw_writel(0x108, SD1CKCR); + __raw_writel(0x108, SD2CKCR); + /* detect main clock parent */ switch ((__raw_readl(CKSCR) >> 24) & 0x03) { case 0: diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c new file mode 100644 index 000000000000..2e44f11f592e --- /dev/null +++ b/arch/arm/mach-shmobile/cpuidle.c @@ -0,0 +1,92 @@ +/* + * CPUIdle support code for SH-Mobile ARM + * + * Copyright (C) 2011 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/pm.h> +#include <linux/cpuidle.h> +#include <linux/suspend.h> +#include <linux/module.h> +#include <linux/err.h> +#include <asm/system.h> +#include <asm/io.h> + +static void shmobile_enter_wfi(void) +{ + cpu_do_idle(); +} + +void (*shmobile_cpuidle_modes[CPUIDLE_STATE_MAX])(void) = { + shmobile_enter_wfi, /* regular sleep mode */ +}; + +static int shmobile_cpuidle_enter(struct cpuidle_device *dev, + struct cpuidle_state *state) +{ + ktime_t before, after; + int requested_state = state - &dev->states[0]; + + dev->last_state = &dev->states[requested_state]; + before = ktime_get(); + + local_irq_disable(); + local_fiq_disable(); + + shmobile_cpuidle_modes[requested_state](); + + local_irq_enable(); + local_fiq_enable(); + + after = ktime_get(); + return ktime_to_ns(ktime_sub(after, before)) >> 10; +} + +static struct cpuidle_device shmobile_cpuidle_dev; +static struct cpuidle_driver shmobile_cpuidle_driver = { + .name = "shmobile_cpuidle", + .owner = THIS_MODULE, +}; + +void (*shmobile_cpuidle_setup)(struct cpuidle_device *dev); + +static int shmobile_cpuidle_init(void) +{ + struct cpuidle_device *dev = &shmobile_cpuidle_dev; + struct cpuidle_state *state; + int i; + + cpuidle_register_driver(&shmobile_cpuidle_driver); + + for (i = 0; i < CPUIDLE_STATE_MAX; i++) { + dev->states[i].name[0] = '\0'; + dev->states[i].desc[0] = '\0'; + dev->states[i].enter = shmobile_cpuidle_enter; + } + + i = CPUIDLE_DRIVER_STATE_START; + + state = &dev->states[i++]; + snprintf(state->name, CPUIDLE_NAME_LEN, "C1"); + strncpy(state->desc, "WFI", CPUIDLE_DESC_LEN); + state->exit_latency = 1; + state->target_residency = 1 * 2; + state->power_usage = 3; + state->flags = 0; + state->flags |= CPUIDLE_FLAG_TIME_VALID; + + dev->safe_state = state; + dev->state_count = i; + + if (shmobile_cpuidle_setup) + shmobile_cpuidle_setup(dev); + + cpuidle_register_device(dev); + + return 0; +} +late_initcall(shmobile_cpuidle_init); diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S index d4cec6b4c7d9..26079d933d91 100644 --- a/arch/arm/mach-shmobile/headsmp.S +++ b/arch/arm/mach-shmobile/headsmp.S @@ -24,4 +24,4 @@ .align 12 ENTRY(shmobile_secondary_vector) ldr pc, 1f -1: .long secondary_startup - PAGE_OFFSET + PHYS_OFFSET +1: .long secondary_startup - PAGE_OFFSET + PLAT_PHYS_OFFSET diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 013ac0ee8256..06aecb31d9c7 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -8,6 +8,10 @@ struct clk; extern int clk_init(void); extern void shmobile_handle_irq_intc(struct pt_regs *); extern void shmobile_handle_irq_gic(struct pt_regs *); +extern struct platform_suspend_ops shmobile_suspend_ops; +struct cpuidle_device; +extern void (*shmobile_cpuidle_modes[])(void); +extern void (*shmobile_cpuidle_setup)(struct cpuidle_device *dev); extern void sh7367_init_irq(void); extern void sh7367_add_early_devices(void); @@ -30,6 +34,9 @@ extern void sh7372_add_early_devices(void); extern void sh7372_add_standard_devices(void); extern void sh7372_clock_init(void); extern void sh7372_pinmux_init(void); +extern void sh7372_pm_init(void); +extern void sh7372_cpu_suspend(void); +extern void sh7372_cpu_resume(void); extern struct clk sh7372_extal1_clk; extern struct clk sh7372_extal2_clk; diff --git a/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt index 3029aba38688..9f134dfeffdc 100644 --- a/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt +++ b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt @@ -87,8 +87,7 @@ WAIT 1, 0xFE40009C ED 0xFE400354, 0x01AD8002 LIST "SCIF0 - Serial port for earlyprintk" -EB 0xE6053098, 0x11 EB 0xE6053098, 0xe1 EW 0xE6C40000, 0x0000 EB 0xE6C40004, 0x19 -EW 0xE6C40008, 0x3000 +EW 0xE6C40008, 0x0030 diff --git a/arch/arm/mach-shmobile/include/mach/head-mackerel.txt b/arch/arm/mach-shmobile/include/mach/head-mackerel.txt index 3029aba38688..9f134dfeffdc 100644 --- a/arch/arm/mach-shmobile/include/mach/head-mackerel.txt +++ b/arch/arm/mach-shmobile/include/mach/head-mackerel.txt @@ -87,8 +87,7 @@ WAIT 1, 0xFE40009C ED 0xFE400354, 0x01AD8002 LIST "SCIF0 - Serial port for earlyprintk" -EB 0xE6053098, 0x11 EB 0xE6053098, 0xe1 EW 0xE6C40000, 0x0000 EB 0xE6C40004, 0x19 -EW 0xE6C40008, 0x3000 +EW 0xE6C40008, 0x0030 diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index 5736efcca60c..df20d7670172 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -435,6 +435,7 @@ enum { /* DMA slave IDs */ enum { + SHDMA_SLAVE_INVALID, SHDMA_SLAVE_SCIF0_TX, SHDMA_SLAVE_SCIF0_RX, SHDMA_SLAVE_SCIF1_TX, diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h index ceb2cdc92bf9..216c3d695ef1 100644 --- a/arch/arm/mach-shmobile/include/mach/sh73a0.h +++ b/arch/arm/mach-shmobile/include/mach/sh73a0.h @@ -463,5 +463,35 @@ enum { GPIO_FN_FSIAIBT_PU, GPIO_FN_FSIAISLD_PU, }; +/* DMA slave IDs */ +enum { + SHDMA_SLAVE_INVALID, + SHDMA_SLAVE_SCIF0_TX, + SHDMA_SLAVE_SCIF0_RX, + SHDMA_SLAVE_SCIF1_TX, + SHDMA_SLAVE_SCIF1_RX, + SHDMA_SLAVE_SCIF2_TX, + SHDMA_SLAVE_SCIF2_RX, + SHDMA_SLAVE_SCIF3_TX, + SHDMA_SLAVE_SCIF3_RX, + SHDMA_SLAVE_SCIF4_TX, + SHDMA_SLAVE_SCIF4_RX, + SHDMA_SLAVE_SCIF5_TX, + SHDMA_SLAVE_SCIF5_RX, + SHDMA_SLAVE_SCIF6_TX, + SHDMA_SLAVE_SCIF6_RX, + SHDMA_SLAVE_SCIF7_TX, + SHDMA_SLAVE_SCIF7_RX, + SHDMA_SLAVE_SCIF8_TX, + SHDMA_SLAVE_SCIF8_RX, + SHDMA_SLAVE_SDHI0_TX, + SHDMA_SLAVE_SDHI0_RX, + SHDMA_SLAVE_SDHI1_TX, + SHDMA_SLAVE_SDHI1_RX, + SHDMA_SLAVE_SDHI2_TX, + SHDMA_SLAVE_SDHI2_RX, + SHDMA_SLAVE_MMCIF_TX, + SHDMA_SLAVE_MMCIF_RX, +}; #endif /* __ASM_SH73A0_H__ */ diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c index 7a4960f9c1e3..3b28743c77eb 100644 --- a/arch/arm/mach-shmobile/intc-sh7372.c +++ b/arch/arm/mach-shmobile/intc-sh7372.c @@ -27,8 +27,6 @@ enum { UNUSED_INTCA = 0, - ENABLED, - DISABLED, /* interrupt sources INTCA */ IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A, @@ -49,14 +47,14 @@ enum { MSIOF2, MSIOF1, SCIFA4, SCIFA5, SCIFB, FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I, - SDHI0, - SDHI1, + SDHI0_SDHI0I0, SDHI0_SDHI0I1, SDHI0_SDHI0I2, SDHI0_SDHI0I3, + SDHI1_SDHI1I0, SDHI1_SDHI1I1, SDHI1_SDHI1I2, IRREM, IRDA, TPU0, TTI20, DDM, - SDHI2, + SDHI2_SDHI2I0, SDHI2_SDHI2I1, SDHI2_SDHI2I2, SDHI2_SDHI2I3, RWDT0, DMAC1_1_DEI0, DMAC1_1_DEI1, DMAC1_1_DEI2, DMAC1_1_DEI3, DMAC1_2_DEI4, DMAC1_2_DEI5, DMAC1_2_DADERR, @@ -84,7 +82,7 @@ enum { /* interrupt groups INTCA */ DMAC1_1, DMAC1_2, DMAC2_1, DMAC2_2, DMAC3_1, DMAC3_2, SHWYSTAT, - AP_ARM1, AP_ARM2, SPU2, FLCTL, IIC1 + AP_ARM1, AP_ARM2, SPU2, FLCTL, IIC1, SDHI0, SDHI1, SDHI2 }; static struct intc_vect intca_vectors[] __initdata = { @@ -125,17 +123,17 @@ static struct intc_vect intca_vectors[] __initdata = { INTC_VECT(SCIFB, 0x0d60), INTC_VECT(FLCTL_FLSTEI, 0x0d80), INTC_VECT(FLCTL_FLTENDI, 0x0da0), INTC_VECT(FLCTL_FLTREQ0I, 0x0dc0), INTC_VECT(FLCTL_FLTREQ1I, 0x0de0), - INTC_VECT(SDHI0, 0x0e00), INTC_VECT(SDHI0, 0x0e20), - INTC_VECT(SDHI0, 0x0e40), INTC_VECT(SDHI0, 0x0e60), - INTC_VECT(SDHI1, 0x0e80), INTC_VECT(SDHI1, 0x0ea0), - INTC_VECT(SDHI1, 0x0ec0), + INTC_VECT(SDHI0_SDHI0I0, 0x0e00), INTC_VECT(SDHI0_SDHI0I1, 0x0e20), + INTC_VECT(SDHI0_SDHI0I2, 0x0e40), INTC_VECT(SDHI0_SDHI0I3, 0x0e60), + INTC_VECT(SDHI1_SDHI1I0, 0x0e80), INTC_VECT(SDHI1_SDHI1I1, 0x0ea0), + INTC_VECT(SDHI1_SDHI1I2, 0x0ec0), INTC_VECT(IRREM, 0x0f60), INTC_VECT(IRDA, 0x0480), INTC_VECT(TPU0, 0x04a0), INTC_VECT(TTI20, 0x1100), INTC_VECT(DDM, 0x1140), - INTC_VECT(SDHI2, 0x1200), INTC_VECT(SDHI2, 0x1220), - INTC_VECT(SDHI2, 0x1240), INTC_VECT(SDHI2, 0x1260), + INTC_VECT(SDHI2_SDHI2I0, 0x1200), INTC_VECT(SDHI2_SDHI2I1, 0x1220), + INTC_VECT(SDHI2_SDHI2I2, 0x1240), INTC_VECT(SDHI2_SDHI2I3, 0x1260), INTC_VECT(RWDT0, 0x1280), INTC_VECT(DMAC1_1_DEI0, 0x2000), INTC_VECT(DMAC1_1_DEI1, 0x2020), INTC_VECT(DMAC1_1_DEI2, 0x2040), INTC_VECT(DMAC1_1_DEI3, 0x2060), @@ -195,6 +193,12 @@ static struct intc_group intca_groups[] __initdata = { INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I), INTC_GROUP(IIC1, IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1), + INTC_GROUP(SDHI0, SDHI0_SDHI0I0, SDHI0_SDHI0I1, + SDHI0_SDHI0I2, SDHI0_SDHI0I3), + INTC_GROUP(SDHI1, SDHI1_SDHI1I0, SDHI1_SDHI1I1, + SDHI1_SDHI1I2), + INTC_GROUP(SDHI2, SDHI2_SDHI2I0, SDHI2_SDHI2I1, + SDHI2_SDHI2I2, SDHI2_SDHI2I3), INTC_GROUP(SHWYSTAT, SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM), }; @@ -230,10 +234,10 @@ static struct intc_mask_reg intca_mask_registers[] __initdata = { { SCIFB, SCIFA5, SCIFA4, MSIOF1, 0, 0, MSIOF2, 0 } }, { 0xe694009c, 0xe69400dc, 8, /* IMR7A / IMCR7A */ - { DISABLED, ENABLED, ENABLED, ENABLED, + { SDHI0_SDHI0I3, SDHI0_SDHI0I2, SDHI0_SDHI0I1, SDHI0_SDHI0I0, FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLTENDI, FLCTL_FLSTEI } }, { 0xe69400a0, 0xe69400e0, 8, /* IMR8A / IMCR8A */ - { 0, ENABLED, ENABLED, ENABLED, + { 0, SDHI1_SDHI1I2, SDHI1_SDHI1I1, SDHI1_SDHI1I0, TTI20, USBHSDMAC0_USHDMI, 0, 0 } }, { 0xe69400a4, 0xe69400e4, 8, /* IMR9A / IMCR9A */ { CMT1_CMT13, CMT1_CMT12, CMT1_CMT11, CMT1_CMT10, @@ -248,7 +252,7 @@ static struct intc_mask_reg intca_mask_registers[] __initdata = { { 0, 0, TPU0, 0, 0, 0, 0, 0 } }, { 0xe69400b4, 0xe69400f4, 8, /* IMR13A / IMCR13A */ - { DISABLED, DISABLED, ENABLED, ENABLED, + { SDHI2_SDHI2I3, SDHI2_SDHI2I2, SDHI2_SDHI2I1, SDHI2_SDHI2I0, 0, CMT3, 0, RWDT0 } }, { 0xe6950080, 0xe69500c0, 8, /* IMR0A3 / IMCR0A3 */ { SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM, 0, @@ -354,14 +358,10 @@ static struct intc_mask_reg intca_ack_registers[] __initdata = { { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } }, }; -static struct intc_desc intca_desc __initdata = { - .name = "sh7372-intca", - .force_enable = ENABLED, - .force_disable = DISABLED, - .hw = INTC_HW_DESC(intca_vectors, intca_groups, - intca_mask_registers, intca_prio_registers, - intca_sense_registers, intca_ack_registers), -}; +static DECLARE_INTC_DESC_ACK(intca_desc, "sh7372-intca", + intca_vectors, intca_groups, + intca_mask_registers, intca_prio_registers, + intca_sense_registers, intca_ack_registers); enum { UNUSED_INTCS = 0, diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c new file mode 100644 index 000000000000..8e4aadf14c9f --- /dev/null +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -0,0 +1,108 @@ +/* + * sh7372 Power management support + * + * Copyright (C) 2011 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/pm.h> +#include <linux/suspend.h> +#include <linux/cpuidle.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <asm/system.h> +#include <asm/io.h> +#include <asm/tlbflush.h> +#include <mach/common.h> + +#define SMFRAM 0xe6a70000 +#define SYSTBCR 0xe6150024 +#define SBAR 0xe6180020 +#define APARMBAREA 0xe6f10020 + +static void sh7372_enter_core_standby(void) +{ + void __iomem *smfram = (void __iomem *)SMFRAM; + + __raw_writel(0, APARMBAREA); /* translate 4k */ + __raw_writel(__pa(sh7372_cpu_resume), SBAR); /* set reset vector */ + __raw_writel(0x10, SYSTBCR); /* enable core standby */ + + __raw_writel(0, smfram + 0x3c); /* clear page table address */ + + sh7372_cpu_suspend(); + cpu_init(); + + /* if page table address is non-NULL then we have been powered down */ + if (__raw_readl(smfram + 0x3c)) { + __raw_writel(__raw_readl(smfram + 0x40), + __va(__raw_readl(smfram + 0x3c))); + + flush_tlb_all(); + set_cr(__raw_readl(smfram + 0x38)); + } + + __raw_writel(0, SYSTBCR); /* disable core standby */ + __raw_writel(0, SBAR); /* disable reset vector translation */ +} + +#ifdef CONFIG_CPU_IDLE +static void sh7372_cpuidle_setup(struct cpuidle_device *dev) +{ + struct cpuidle_state *state; + int i = dev->state_count; + + state = &dev->states[i]; + snprintf(state->name, CPUIDLE_NAME_LEN, "C2"); + strncpy(state->desc, "Core Standby Mode", CPUIDLE_DESC_LEN); + state->exit_latency = 10; + state->target_residency = 20 + 10; + state->power_usage = 1; /* perhaps not */ + state->flags = 0; + state->flags |= CPUIDLE_FLAG_TIME_VALID; + shmobile_cpuidle_modes[i] = sh7372_enter_core_standby; + + dev->state_count = i + 1; +} + +static void sh7372_cpuidle_init(void) +{ + shmobile_cpuidle_setup = sh7372_cpuidle_setup; +} +#else +static void sh7372_cpuidle_init(void) {} +#endif + +#ifdef CONFIG_SUSPEND +static int sh7372_enter_suspend(suspend_state_t suspend_state) +{ + sh7372_enter_core_standby(); + return 0; +} + +static void sh7372_suspend_init(void) +{ + shmobile_suspend_ops.enter = sh7372_enter_suspend; +} +#else +static void sh7372_suspend_init(void) {} +#endif + +#define DBGREG1 0xe6100020 +#define DBGREG9 0xe6100040 + +void __init sh7372_pm_init(void) +{ + /* enable DBG hardware block to kick SYSC */ + __raw_writel(0x0000a500, DBGREG9); + __raw_writel(0x0000a501, DBGREG9); + __raw_writel(0x00000000, DBGREG1); + + sh7372_suspend_init(); + sh7372_cpuidle_init(); +} diff --git a/arch/arm/mach-shmobile/setup-sh7367.c b/arch/arm/mach-shmobile/setup-sh7367.c index ce28141662da..2c10190dbb55 100644 --- a/arch/arm/mach-shmobile/setup-sh7367.c +++ b/arch/arm/mach-shmobile/setup-sh7367.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> +#include <linux/uio_driver.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/io.h> @@ -195,6 +196,214 @@ static struct platform_device cmt10_device = { .num_resources = ARRAY_SIZE(cmt10_resources), }; +/* VPU */ +static struct uio_info vpu_platform_data = { + .name = "VPU5", + .version = "0", + .irq = intcs_evt2irq(0x980), +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe902807, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +/* VEU0 */ +static struct uio_info veu0_platform_data = { + .name = "VEU0", + .version = "0", + .irq = intcs_evt2irq(0x700), +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU0", + .start = 0xfe920000, + .end = 0xfe9200b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +/* VEU1 */ +static struct uio_info veu1_platform_data = { + .name = "VEU1", + .version = "0", + .irq = intcs_evt2irq(0x720), +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU1", + .start = 0xfe924000, + .end = 0xfe9240b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; + +/* VEU2 */ +static struct uio_info veu2_platform_data = { + .name = "VEU2", + .version = "0", + .irq = intcs_evt2irq(0x740), +}; + +static struct resource veu2_resources[] = { + [0] = { + .name = "VEU2", + .start = 0xfe928000, + .end = 0xfe9280b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu2_device = { + .name = "uio_pdrv_genirq", + .id = 3, + .dev = { + .platform_data = &veu2_platform_data, + }, + .resource = veu2_resources, + .num_resources = ARRAY_SIZE(veu2_resources), +}; + +/* VEU3 */ +static struct uio_info veu3_platform_data = { + .name = "VEU3", + .version = "0", + .irq = intcs_evt2irq(0x760), +}; + +static struct resource veu3_resources[] = { + [0] = { + .name = "VEU3", + .start = 0xfe92c000, + .end = 0xfe92c0b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu3_device = { + .name = "uio_pdrv_genirq", + .id = 4, + .dev = { + .platform_data = &veu3_platform_data, + }, + .resource = veu3_resources, + .num_resources = ARRAY_SIZE(veu3_resources), +}; + +/* VEU2H */ +static struct uio_info veu2h_platform_data = { + .name = "VEU2H", + .version = "0", + .irq = intcs_evt2irq(0x520), +}; + +static struct resource veu2h_resources[] = { + [0] = { + .name = "VEU2H", + .start = 0xfe93c000, + .end = 0xfe93c27b, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu2h_device = { + .name = "uio_pdrv_genirq", + .id = 5, + .dev = { + .platform_data = &veu2h_platform_data, + }, + .resource = veu2h_resources, + .num_resources = ARRAY_SIZE(veu2h_resources), +}; + +/* JPU */ +static struct uio_info jpu_platform_data = { + .name = "JPU", + .version = "0", + .irq = intcs_evt2irq(0x560), +}; + +static struct resource jpu_resources[] = { + [0] = { + .name = "JPU", + .start = 0xfe980000, + .end = 0xfe9902d3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device jpu_device = { + .name = "uio_pdrv_genirq", + .id = 6, + .dev = { + .platform_data = &jpu_platform_data, + }, + .resource = jpu_resources, + .num_resources = ARRAY_SIZE(jpu_resources), +}; + +/* SPU1 */ +static struct uio_info spu1_platform_data = { + .name = "SPU1", + .version = "0", + .irq = evt2irq(0xfc0), +}; + +static struct resource spu1_resources[] = { + [0] = { + .name = "SPU1", + .start = 0xfe300000, + .end = 0xfe3fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu1_device = { + .name = "uio_pdrv_genirq", + .id = 7, + .dev = { + .platform_data = &spu1_platform_data, + }, + .resource = spu1_resources, + .num_resources = ARRAY_SIZE(spu1_resources), +}; + static struct platform_device *sh7367_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -206,10 +415,24 @@ static struct platform_device *sh7367_early_devices[] __initdata = { &cmt10_device, }; +static struct platform_device *sh7367_devices[] __initdata = { + &vpu_device, + &veu0_device, + &veu1_device, + &veu2_device, + &veu3_device, + &veu2h_device, + &jpu_device, + &spu1_device, +}; + void __init sh7367_add_standard_devices(void) { platform_add_devices(sh7367_early_devices, ARRAY_SIZE(sh7367_early_devices)); + + platform_add_devices(sh7367_devices, + ARRAY_SIZE(sh7367_devices)); } #define SYMSTPCR2 0xe6158048 diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index ff0494f3d00c..cd807eea69e2 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> +#include <linux/uio_driver.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/io.h> @@ -601,6 +602,214 @@ static struct platform_device dma2_device = { }, }; +/* VPU */ +static struct uio_info vpu_platform_data = { + .name = "VPU5HG", + .version = "0", + .irq = intcs_evt2irq(0x980), +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe900157, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +/* VEU0 */ +static struct uio_info veu0_platform_data = { + .name = "VEU0", + .version = "0", + .irq = intcs_evt2irq(0x700), +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU0", + .start = 0xfe920000, + .end = 0xfe9200cb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +/* VEU1 */ +static struct uio_info veu1_platform_data = { + .name = "VEU1", + .version = "0", + .irq = intcs_evt2irq(0x720), +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU1", + .start = 0xfe924000, + .end = 0xfe9240cb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; + +/* VEU2 */ +static struct uio_info veu2_platform_data = { + .name = "VEU2", + .version = "0", + .irq = intcs_evt2irq(0x740), +}; + +static struct resource veu2_resources[] = { + [0] = { + .name = "VEU2", + .start = 0xfe928000, + .end = 0xfe928307, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu2_device = { + .name = "uio_pdrv_genirq", + .id = 3, + .dev = { + .platform_data = &veu2_platform_data, + }, + .resource = veu2_resources, + .num_resources = ARRAY_SIZE(veu2_resources), +}; + +/* VEU3 */ +static struct uio_info veu3_platform_data = { + .name = "VEU3", + .version = "0", + .irq = intcs_evt2irq(0x760), +}; + +static struct resource veu3_resources[] = { + [0] = { + .name = "VEU3", + .start = 0xfe92c000, + .end = 0xfe92c307, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu3_device = { + .name = "uio_pdrv_genirq", + .id = 4, + .dev = { + .platform_data = &veu3_platform_data, + }, + .resource = veu3_resources, + .num_resources = ARRAY_SIZE(veu3_resources), +}; + +/* JPU */ +static struct uio_info jpu_platform_data = { + .name = "JPU", + .version = "0", + .irq = intcs_evt2irq(0x560), +}; + +static struct resource jpu_resources[] = { + [0] = { + .name = "JPU", + .start = 0xfe980000, + .end = 0xfe9902d3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device jpu_device = { + .name = "uio_pdrv_genirq", + .id = 5, + .dev = { + .platform_data = &jpu_platform_data, + }, + .resource = jpu_resources, + .num_resources = ARRAY_SIZE(jpu_resources), +}; + +/* SPU2DSP0 */ +static struct uio_info spu0_platform_data = { + .name = "SPU2DSP0", + .version = "0", + .irq = evt2irq(0x1800), +}; + +static struct resource spu0_resources[] = { + [0] = { + .name = "SPU2DSP0", + .start = 0xfe200000, + .end = 0xfe2fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu0_device = { + .name = "uio_pdrv_genirq", + .id = 6, + .dev = { + .platform_data = &spu0_platform_data, + }, + .resource = spu0_resources, + .num_resources = ARRAY_SIZE(spu0_resources), +}; + +/* SPU2DSP1 */ +static struct uio_info spu1_platform_data = { + .name = "SPU2DSP1", + .version = "0", + .irq = evt2irq(0x1820), +}; + +static struct resource spu1_resources[] = { + [0] = { + .name = "SPU2DSP1", + .start = 0xfe300000, + .end = 0xfe3fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu1_device = { + .name = "uio_pdrv_genirq", + .id = 7, + .dev = { + .platform_data = &spu1_platform_data, + }, + .resource = spu1_resources, + .num_resources = ARRAY_SIZE(spu1_resources), +}; + static struct platform_device *sh7372_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -620,6 +829,14 @@ static struct platform_device *sh7372_late_devices[] __initdata = { &dma0_device, &dma1_device, &dma2_device, + &vpu_device, + &veu0_device, + &veu1_device, + &veu2_device, + &veu3_device, + &jpu_device, + &spu0_device, + &spu1_device, }; void __init sh7372_add_standard_devices(void) diff --git a/arch/arm/mach-shmobile/setup-sh7377.c b/arch/arm/mach-shmobile/setup-sh7377.c index 8099b0b8a934..bb405b8e459b 100644 --- a/arch/arm/mach-shmobile/setup-sh7377.c +++ b/arch/arm/mach-shmobile/setup-sh7377.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> +#include <linux/uio_driver.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/io.h> @@ -38,7 +39,7 @@ static struct plat_sci_port scif0_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc00), evt2irq(0xc00), evt2irq(0xc00), evt2irq(0xc00) }, }; @@ -57,7 +58,7 @@ static struct plat_sci_port scif1_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc20), evt2irq(0xc20), evt2irq(0xc20), evt2irq(0xc20) }, }; @@ -76,7 +77,7 @@ static struct plat_sci_port scif2_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc40), evt2irq(0xc40), evt2irq(0xc40), evt2irq(0xc40) }, }; @@ -95,7 +96,7 @@ static struct plat_sci_port scif3_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc60), evt2irq(0xc60), evt2irq(0xc60), evt2irq(0xc60) }, }; @@ -114,7 +115,7 @@ static struct plat_sci_port scif4_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xd20), evt2irq(0xd20), evt2irq(0xd20), evt2irq(0xd20) }, }; @@ -133,7 +134,7 @@ static struct plat_sci_port scif5_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xd40), evt2irq(0xd40), evt2irq(0xd40), evt2irq(0xd40) }, }; @@ -152,7 +153,7 @@ static struct plat_sci_port scif6_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80) }, }; @@ -171,7 +172,7 @@ static struct plat_sci_port scif7_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFB, .irqs = { evt2irq(0xd60), evt2irq(0xd60), evt2irq(0xd60), evt2irq(0xd60) }, }; @@ -215,6 +216,214 @@ static struct platform_device cmt10_device = { .num_resources = ARRAY_SIZE(cmt10_resources), }; +/* VPU */ +static struct uio_info vpu_platform_data = { + .name = "VPU5HG", + .version = "0", + .irq = intcs_evt2irq(0x980), +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe900157, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +/* VEU0 */ +static struct uio_info veu0_platform_data = { + .name = "VEU0", + .version = "0", + .irq = intcs_evt2irq(0x700), +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU0", + .start = 0xfe920000, + .end = 0xfe9200cb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +/* VEU1 */ +static struct uio_info veu1_platform_data = { + .name = "VEU1", + .version = "0", + .irq = intcs_evt2irq(0x720), +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU1", + .start = 0xfe924000, + .end = 0xfe9240cb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; + +/* VEU2 */ +static struct uio_info veu2_platform_data = { + .name = "VEU2", + .version = "0", + .irq = intcs_evt2irq(0x740), +}; + +static struct resource veu2_resources[] = { + [0] = { + .name = "VEU2", + .start = 0xfe928000, + .end = 0xfe928307, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu2_device = { + .name = "uio_pdrv_genirq", + .id = 3, + .dev = { + .platform_data = &veu2_platform_data, + }, + .resource = veu2_resources, + .num_resources = ARRAY_SIZE(veu2_resources), +}; + +/* VEU3 */ +static struct uio_info veu3_platform_data = { + .name = "VEU3", + .version = "0", + .irq = intcs_evt2irq(0x760), +}; + +static struct resource veu3_resources[] = { + [0] = { + .name = "VEU3", + .start = 0xfe92c000, + .end = 0xfe92c307, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu3_device = { + .name = "uio_pdrv_genirq", + .id = 4, + .dev = { + .platform_data = &veu3_platform_data, + }, + .resource = veu3_resources, + .num_resources = ARRAY_SIZE(veu3_resources), +}; + +/* JPU */ +static struct uio_info jpu_platform_data = { + .name = "JPU", + .version = "0", + .irq = intcs_evt2irq(0x560), +}; + +static struct resource jpu_resources[] = { + [0] = { + .name = "JPU", + .start = 0xfe980000, + .end = 0xfe9902d3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device jpu_device = { + .name = "uio_pdrv_genirq", + .id = 5, + .dev = { + .platform_data = &jpu_platform_data, + }, + .resource = jpu_resources, + .num_resources = ARRAY_SIZE(jpu_resources), +}; + +/* SPU2DSP0 */ +static struct uio_info spu0_platform_data = { + .name = "SPU2DSP0", + .version = "0", + .irq = evt2irq(0x1800), +}; + +static struct resource spu0_resources[] = { + [0] = { + .name = "SPU2DSP0", + .start = 0xfe200000, + .end = 0xfe2fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu0_device = { + .name = "uio_pdrv_genirq", + .id = 6, + .dev = { + .platform_data = &spu0_platform_data, + }, + .resource = spu0_resources, + .num_resources = ARRAY_SIZE(spu0_resources), +}; + +/* SPU2DSP1 */ +static struct uio_info spu1_platform_data = { + .name = "SPU2DSP1", + .version = "0", + .irq = evt2irq(0x1820), +}; + +static struct resource spu1_resources[] = { + [0] = { + .name = "SPU2DSP1", + .start = 0xfe300000, + .end = 0xfe3fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu1_device = { + .name = "uio_pdrv_genirq", + .id = 7, + .dev = { + .platform_data = &spu1_platform_data, + }, + .resource = spu1_resources, + .num_resources = ARRAY_SIZE(spu1_resources), +}; + static struct platform_device *sh7377_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -227,10 +436,24 @@ static struct platform_device *sh7377_early_devices[] __initdata = { &cmt10_device, }; +static struct platform_device *sh7377_devices[] __initdata = { + &vpu_device, + &veu0_device, + &veu1_device, + &veu2_device, + &veu3_device, + &jpu_device, + &spu0_device, + &spu1_device, +}; + void __init sh7377_add_standard_devices(void) { platform_add_devices(sh7377_early_devices, ARRAY_SIZE(sh7377_early_devices)); + + platform_add_devices(sh7377_devices, + ARRAY_SIZE(sh7377_devices)); } #define SMSTPCR3 0xe615013c diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c index 685c40a2f5e6..e46821c0a62e 100644 --- a/arch/arm/mach-shmobile/setup-sh73a0.c +++ b/arch/arm/mach-shmobile/setup-sh73a0.c @@ -27,9 +27,11 @@ #include <linux/input.h> #include <linux/io.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> #include <linux/sh_intc.h> #include <linux/sh_timer.h> #include <mach/hardware.h> +#include <mach/sh73a0.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -392,6 +394,242 @@ static struct platform_device i2c4_device = { .num_resources = ARRAY_SIZE(i2c4_resources), }; +/* Transmit sizes and respective CHCR register values */ +enum { + XMIT_SZ_8BIT = 0, + XMIT_SZ_16BIT = 1, + XMIT_SZ_32BIT = 2, + XMIT_SZ_64BIT = 7, + XMIT_SZ_128BIT = 3, + XMIT_SZ_256BIT = 4, + XMIT_SZ_512BIT = 5, +}; + +/* log2(size / 8) - used to calculate number of transfers */ +#define TS_SHIFT { \ + [XMIT_SZ_8BIT] = 0, \ + [XMIT_SZ_16BIT] = 1, \ + [XMIT_SZ_32BIT] = 2, \ + [XMIT_SZ_64BIT] = 3, \ + [XMIT_SZ_128BIT] = 4, \ + [XMIT_SZ_256BIT] = 5, \ + [XMIT_SZ_512BIT] = 6, \ +} + +#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | (((i) & 0xc) << (20 - 2))) +#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz))) +#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz))) + +static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = { + { + .slave_id = SHDMA_SLAVE_SCIF0_TX, + .addr = 0xe6c40020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x21, + }, { + .slave_id = SHDMA_SLAVE_SCIF0_RX, + .addr = 0xe6c40024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x22, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_TX, + .addr = 0xe6c50020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x25, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_RX, + .addr = 0xe6c50024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x26, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_TX, + .addr = 0xe6c60020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x29, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_RX, + .addr = 0xe6c60024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x2a, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_TX, + .addr = 0xe6c70020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x2d, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_RX, + .addr = 0xe6c70024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x2e, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_TX, + .addr = 0xe6c80020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x39, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_RX, + .addr = 0xe6c80024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x3a, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_TX, + .addr = 0xe6cb0020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x35, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_RX, + .addr = 0xe6cb0024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x36, + }, { + .slave_id = SHDMA_SLAVE_SCIF6_TX, + .addr = 0xe6cc0020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x1d, + }, { + .slave_id = SHDMA_SLAVE_SCIF6_RX, + .addr = 0xe6cc0024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x1e, + }, { + .slave_id = SHDMA_SLAVE_SCIF7_TX, + .addr = 0xe6cd0020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x19, + }, { + .slave_id = SHDMA_SLAVE_SCIF7_RX, + .addr = 0xe6cd0024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x1a, + }, { + .slave_id = SHDMA_SLAVE_SCIF8_TX, + .addr = 0xe6c30040, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x3d, + }, { + .slave_id = SHDMA_SLAVE_SCIF8_RX, + .addr = 0xe6c30060, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x3e, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_TX, + .addr = 0xee100030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc1, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_RX, + .addr = 0xee100030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xc2, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_TX, + .addr = 0xee120030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc9, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_RX, + .addr = 0xee120030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xca, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_TX, + .addr = 0xee140030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xcd, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_RX, + .addr = 0xee140030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xce, + }, { + .slave_id = SHDMA_SLAVE_MMCIF_TX, + .addr = 0xe6bd0034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF_RX, + .addr = 0xe6bd0034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xd2, + }, +}; + +#define DMAE_CHANNEL(_offset) \ + { \ + .offset = _offset - 0x20, \ + .dmars = _offset - 0x20 + 0x40, \ + } + +static const struct sh_dmae_channel sh73a0_dmae_channels[] = { + DMAE_CHANNEL(0x8000), + DMAE_CHANNEL(0x8080), + DMAE_CHANNEL(0x8100), + DMAE_CHANNEL(0x8180), + DMAE_CHANNEL(0x8200), + DMAE_CHANNEL(0x8280), + DMAE_CHANNEL(0x8300), + DMAE_CHANNEL(0x8380), + DMAE_CHANNEL(0x8400), + DMAE_CHANNEL(0x8480), + DMAE_CHANNEL(0x8500), + DMAE_CHANNEL(0x8580), + DMAE_CHANNEL(0x8600), + DMAE_CHANNEL(0x8680), + DMAE_CHANNEL(0x8700), + DMAE_CHANNEL(0x8780), + DMAE_CHANNEL(0x8800), + DMAE_CHANNEL(0x8880), + DMAE_CHANNEL(0x8900), + DMAE_CHANNEL(0x8980), +}; + +static const unsigned int ts_shift[] = TS_SHIFT; + +static struct sh_dmae_pdata sh73a0_dmae_platform_data = { + .slave = sh73a0_dmae_slaves, + .slave_num = ARRAY_SIZE(sh73a0_dmae_slaves), + .channel = sh73a0_dmae_channels, + .channel_num = ARRAY_SIZE(sh73a0_dmae_channels), + .ts_low_shift = 3, + .ts_low_mask = 0x18, + .ts_high_shift = (20 - 2), /* 2 bits for shifted low TS */ + .ts_high_mask = 0x00300000, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_DME, +}; + +static struct resource sh73a0_dmae_resources[] = { + { + /* Registers including DMAOR and channels including DMARSx */ + .start = 0xfe000020, + .end = 0xfe008a00 - 1, + .flags = IORESOURCE_MEM, + }, + { + /* DMA error IRQ */ + .start = gic_spi(129), + .end = gic_spi(129), + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-19 */ + .start = gic_spi(109), + .end = gic_spi(128), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dma0_device = { + .name = "sh-dma-engine", + .id = 0, + .resource = sh73a0_dmae_resources, + .num_resources = ARRAY_SIZE(sh73a0_dmae_resources), + .dev = { + .platform_data = &sh73a0_dmae_platform_data, + }, +}; + static struct platform_device *sh73a0_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -413,10 +651,16 @@ static struct platform_device *sh73a0_late_devices[] __initdata = { &i2c2_device, &i2c3_device, &i2c4_device, + &dma0_device, }; +#define SRCR2 0xe61580b0 + void __init sh73a0_add_standard_devices(void) { + /* Clear software reset bit on SY-DMAC module */ + __raw_writel(__raw_readl(SRCR2) & ~(1 << 18), SRCR2); + platform_add_devices(sh73a0_early_devices, ARRAY_SIZE(sh73a0_early_devices)); platform_add_devices(sh73a0_late_devices, diff --git a/arch/arm/mach-shmobile/sleep-sh7372.S b/arch/arm/mach-shmobile/sleep-sh7372.S new file mode 100644 index 000000000000..d37d3ca4d18f --- /dev/null +++ b/arch/arm/mach-shmobile/sleep-sh7372.S @@ -0,0 +1,260 @@ +/* + * sh7372 lowlevel sleep code for "Core Standby Mode" + * + * Copyright (C) 2011 Magnus Damm + * + * In "Core Standby Mode" the ARM core is off, but L2 cache is still on + * + * Based on mach-omap2/sleep34xx.S + * + * (C) Copyright 2007 Texas Instruments + * Karthik Dasu <karthik-dp@ti.com> + * + * (C) Copyright 2004 Texas Instruments, <www.ti.com> + * Richard Woodruff <r-woodruff2@ti.com> + * + * 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. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <linux/linkage.h> +#include <asm/assembler.h> + +#define SMFRAM 0xe6a70000 + + .align +kernel_flush: + .word v7_flush_dcache_all + + .align 3 +ENTRY(sh7372_cpu_suspend) + stmfd sp!, {r0-r12, lr} @ save registers on stack + + ldr r8, =SMFRAM + + mov r4, sp @ Store sp + mrs r5, spsr @ Store spsr + mov r6, lr @ Store lr + stmia r8!, {r4-r6} + + mrc p15, 0, r4, c1, c0, 2 @ Coprocessor access control register + mrc p15, 0, r5, c2, c0, 0 @ TTBR0 + mrc p15, 0, r6, c2, c0, 1 @ TTBR1 + mrc p15, 0, r7, c2, c0, 2 @ TTBCR + stmia r8!, {r4-r7} + + mrc p15, 0, r4, c3, c0, 0 @ Domain access Control Register + mrc p15, 0, r5, c10, c2, 0 @ PRRR + mrc p15, 0, r6, c10, c2, 1 @ NMRR + stmia r8!,{r4-r6} + + mrc p15, 0, r4, c13, c0, 1 @ Context ID + mrc p15, 0, r5, c13, c0, 2 @ User r/w thread and process ID + mrc p15, 0, r6, c12, c0, 0 @ Secure or NS vector base address + mrs r7, cpsr @ Store current cpsr + stmia r8!, {r4-r7} + + mrc p15, 0, r4, c1, c0, 0 @ save control register + stmia r8!, {r4} + + /* + * jump out to kernel flush routine + * - reuse that code is better + * - it executes in a cached space so is faster than refetch per-block + * - should be faster and will change with kernel + * - 'might' have to copy address, load and jump to it + * Flush all data from the L1 data cache before disabling + * SCTLR.C bit. + */ + ldr r1, kernel_flush + mov lr, pc + bx r1 + + /* + * Clear the SCTLR.C bit to prevent further data cache + * allocation. Clearing SCTLR.C would make all the data accesses + * strongly ordered and would not hit the cache. + */ + mrc p15, 0, r0, c1, c0, 0 + bic r0, r0, #(1 << 2) @ Disable the C bit + mcr p15, 0, r0, c1, c0, 0 + isb + + /* + * Invalidate L1 data cache. Even though only invalidate is + * necessary exported flush API is used here. Doing clean + * on already clean cache would be almost NOP. + */ + ldr r1, kernel_flush + blx r1 + /* + * The kernel doesn't interwork: v7_flush_dcache_all in particluar will + * always return in Thumb state when CONFIG_THUMB2_KERNEL is enabled. + * This sequence switches back to ARM. Note that .align may insert a + * nop: bx pc needs to be word-aligned in order to work. + */ + THUMB( .thumb ) + THUMB( .align ) + THUMB( bx pc ) + THUMB( nop ) + .arm + + /* Data memory barrier and Data sync barrier */ + dsb + dmb + +/* + * =================================== + * == WFI instruction => Enter idle == + * =================================== + */ + wfi @ wait for interrupt + +/* + * =================================== + * == Resume path for non-OFF modes == + * =================================== + */ + mrc p15, 0, r0, c1, c0, 0 + tst r0, #(1 << 2) @ Check C bit enabled? + orreq r0, r0, #(1 << 2) @ Enable the C bit if cleared + mcreq p15, 0, r0, c1, c0, 0 + isb + +/* + * =================================== + * == Exit point from non-OFF modes == + * =================================== + */ + ldmfd sp!, {r0-r12, pc} @ restore regs and return + + .pool + + .align 12 + .text + .global sh7372_cpu_resume +sh7372_cpu_resume: + + mov r1, #0 + /* + * Invalidate all instruction caches to PoU + * and flush branch target cache + */ + mcr p15, 0, r1, c7, c5, 0 + + ldr r3, =SMFRAM + + ldmia r3!, {r4-r6} + mov sp, r4 @ Restore sp + msr spsr_cxsf, r5 @ Restore spsr + mov lr, r6 @ Restore lr + + ldmia r3!, {r4-r7} + mcr p15, 0, r4, c1, c0, 2 @ Coprocessor access Control Register + mcr p15, 0, r5, c2, c0, 0 @ TTBR0 + mcr p15, 0, r6, c2, c0, 1 @ TTBR1 + mcr p15, 0, r7, c2, c0, 2 @ TTBCR + + ldmia r3!,{r4-r6} + mcr p15, 0, r4, c3, c0, 0 @ Domain access Control Register + mcr p15, 0, r5, c10, c2, 0 @ PRRR + mcr p15, 0, r6, c10, c2, 1 @ NMRR + + ldmia r3!,{r4-r7} + mcr p15, 0, r4, c13, c0, 1 @ Context ID + mcr p15, 0, r5, c13, c0, 2 @ User r/w thread and process ID + mrc p15, 0, r6, c12, c0, 0 @ Secure or NS vector base address + msr cpsr, r7 @ store cpsr + + /* Starting to enable MMU here */ + mrc p15, 0, r7, c2, c0, 2 @ Read TTBRControl + /* Extract N (0:2) bits and decide whether to use TTBR0 or TTBR1 */ + and r7, #0x7 + cmp r7, #0x0 + beq usettbr0 +ttbr_error: + /* + * More work needs to be done to support N[0:2] value other than 0 + * So looping here so that the error can be detected + */ + b ttbr_error + + .align +cache_pred_disable_mask: + .word 0xFFFFE7FB +ttbrbit_mask: + .word 0xFFFFC000 +table_index_mask: + .word 0xFFF00000 +table_entry: + .word 0x00000C02 +usettbr0: + + mrc p15, 0, r2, c2, c0, 0 + ldr r5, ttbrbit_mask + and r2, r5 + mov r4, pc + ldr r5, table_index_mask + and r4, r5 @ r4 = 31 to 20 bits of pc + /* Extract the value to be written to table entry */ + ldr r6, table_entry + /* r6 has the value to be written to table entry */ + add r6, r6, r4 + /* Getting the address of table entry to modify */ + lsr r4, #18 + /* r2 has the location which needs to be modified */ + add r2, r4 + ldr r4, [r2] + str r6, [r2] /* modify the table entry */ + + mov r7, r6 + mov r5, r2 + mov r6, r4 + /* r5 = original page table address */ + /* r6 = original page table data */ + + mov r0, #0 + mcr p15, 0, r0, c7, c5, 4 @ Flush prefetch buffer + mcr p15, 0, r0, c7, c5, 6 @ Invalidate branch predictor array + mcr p15, 0, r0, c8, c5, 0 @ Invalidate instruction TLB + mcr p15, 0, r0, c8, c6, 0 @ Invalidate data TLB + + /* + * Restore control register. This enables the MMU. + * The caches and prediction are not enabled here, they + * will be enabled after restoring the MMU table entry. + */ + ldmia r3!, {r4} + stmia r3!, {r5} /* save original page table address */ + stmia r3!, {r6} /* save original page table data */ + stmia r3!, {r7} /* save modified page table data */ + + ldr r2, cache_pred_disable_mask + and r4, r2 + mcr p15, 0, r4, c1, c0, 0 + dsb + isb + + ldr r0, =restoremmu_on + bx r0 + +/* + * ============================== + * == Exit point from OFF mode == + * ============================== + */ +restoremmu_on: + + ldmfd sp!, {r0-r12, pc} @ restore regs and return diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index a156d2108df1..3ffdbc92ba82 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -59,6 +59,11 @@ unsigned int __init sh73a0_get_core_count(void) { void __iomem *scu_base = scu_base_addr(); +#ifdef CONFIG_HAVE_ARM_TWD + /* twd_base needs to be initialized before percpu_timer_setup() */ + twd_base = (void __iomem *)0xf0000600; +#endif + return scu_get_core_count(scu_base); } @@ -82,10 +87,6 @@ int __cpuinit sh73a0_boot_secondary(unsigned int cpu) void __init sh73a0_smp_prepare_cpus(void) { -#ifdef CONFIG_HAVE_ARM_TWD - twd_base = (void __iomem *)0xf0000600; -#endif - scu_enable(scu_base_addr()); /* Map the reset vector (in headsmp.S) */ diff --git a/arch/arm/mach-shmobile/suspend.c b/arch/arm/mach-shmobile/suspend.c new file mode 100644 index 000000000000..c1febe13f709 --- /dev/null +++ b/arch/arm/mach-shmobile/suspend.c @@ -0,0 +1,47 @@ +/* + * Suspend-to-RAM support code for SH-Mobile ARM + * + * Copyright (C) 2011 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/pm.h> +#include <linux/suspend.h> +#include <linux/module.h> +#include <linux/err.h> +#include <asm/system.h> +#include <asm/io.h> + +static int shmobile_suspend_default_enter(suspend_state_t suspend_state) +{ + cpu_do_idle(); + return 0; +} + +static int shmobile_suspend_begin(suspend_state_t state) +{ + disable_hlt(); + return 0; +} + +static void shmobile_suspend_end(void) +{ + enable_hlt(); +} + +struct platform_suspend_ops shmobile_suspend_ops = { + .begin = shmobile_suspend_begin, + .end = shmobile_suspend_end, + .enter = shmobile_suspend_default_enter, + .valid = suspend_valid_only_mem, +}; + +static int __init shmobile_suspend_init(void) +{ + suspend_set_ops(&shmobile_suspend_ops); + return 0; +} +late_initcall(shmobile_suspend_init); diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 76f82ae44efb..3f17ea146f0e 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -85,7 +85,7 @@ void show_mem(unsigned int filter) struct meminfo * mi = &meminfo; printk("Mem-info:\n"); - show_free_areas(); + show_free_areas(filter); for_each_bank (i, mi) { struct membank *bank = &mi->bank[i]; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 6cf76b3b68d1..08a92368d9d3 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -31,8 +31,6 @@ #include "mm.h" -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - /* * empty_zero_page is a special page that is used for * zero-initialized data and COW. diff --git a/arch/arm/plat-omap/include/plat/display.h b/arch/arm/plat-omap/include/plat/display.h deleted file mode 100644 index 5e04ddc18fa8..000000000000 --- a/arch/arm/plat-omap/include/plat/display.h +++ /dev/null @@ -1,591 +0,0 @@ -/* - * linux/include/asm-arm/arch-omap/display.h - * - * Copyright (C) 2008 Nokia Corporation - * Author: Tomi Valkeinen <tomi.valkeinen@nokia.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/>. - */ - -#ifndef __ASM_ARCH_OMAP_DISPLAY_H -#define __ASM_ARCH_OMAP_DISPLAY_H - -#include <linux/list.h> -#include <linux/kobject.h> -#include <linux/device.h> -#include <linux/platform_device.h> -#include <asm/atomic.h> - -#define DISPC_IRQ_FRAMEDONE (1 << 0) -#define DISPC_IRQ_VSYNC (1 << 1) -#define DISPC_IRQ_EVSYNC_EVEN (1 << 2) -#define DISPC_IRQ_EVSYNC_ODD (1 << 3) -#define DISPC_IRQ_ACBIAS_COUNT_STAT (1 << 4) -#define DISPC_IRQ_PROG_LINE_NUM (1 << 5) -#define DISPC_IRQ_GFX_FIFO_UNDERFLOW (1 << 6) -#define DISPC_IRQ_GFX_END_WIN (1 << 7) -#define DISPC_IRQ_PAL_GAMMA_MASK (1 << 8) -#define DISPC_IRQ_OCP_ERR (1 << 9) -#define DISPC_IRQ_VID1_FIFO_UNDERFLOW (1 << 10) -#define DISPC_IRQ_VID1_END_WIN (1 << 11) -#define DISPC_IRQ_VID2_FIFO_UNDERFLOW (1 << 12) -#define DISPC_IRQ_VID2_END_WIN (1 << 13) -#define DISPC_IRQ_SYNC_LOST (1 << 14) -#define DISPC_IRQ_SYNC_LOST_DIGIT (1 << 15) -#define DISPC_IRQ_WAKEUP (1 << 16) -#define DISPC_IRQ_SYNC_LOST2 (1 << 17) -#define DISPC_IRQ_VSYNC2 (1 << 18) -#define DISPC_IRQ_ACBIAS_COUNT_STAT2 (1 << 21) -#define DISPC_IRQ_FRAMEDONE2 (1 << 22) - -struct omap_dss_device; -struct omap_overlay_manager; - -enum omap_display_type { - OMAP_DISPLAY_TYPE_NONE = 0, - OMAP_DISPLAY_TYPE_DPI = 1 << 0, - OMAP_DISPLAY_TYPE_DBI = 1 << 1, - OMAP_DISPLAY_TYPE_SDI = 1 << 2, - OMAP_DISPLAY_TYPE_DSI = 1 << 3, - OMAP_DISPLAY_TYPE_VENC = 1 << 4, - OMAP_DISPLAY_TYPE_HDMI = 1 << 5, -}; - -enum omap_plane { - OMAP_DSS_GFX = 0, - OMAP_DSS_VIDEO1 = 1, - OMAP_DSS_VIDEO2 = 2 -}; - -enum omap_channel { - OMAP_DSS_CHANNEL_LCD = 0, - OMAP_DSS_CHANNEL_DIGIT = 1, - OMAP_DSS_CHANNEL_LCD2 = 2, -}; - -enum omap_color_mode { - OMAP_DSS_COLOR_CLUT1 = 1 << 0, /* BITMAP 1 */ - OMAP_DSS_COLOR_CLUT2 = 1 << 1, /* BITMAP 2 */ - OMAP_DSS_COLOR_CLUT4 = 1 << 2, /* BITMAP 4 */ - OMAP_DSS_COLOR_CLUT8 = 1 << 3, /* BITMAP 8 */ - OMAP_DSS_COLOR_RGB12U = 1 << 4, /* RGB12, 16-bit container */ - OMAP_DSS_COLOR_ARGB16 = 1 << 5, /* ARGB16 */ - OMAP_DSS_COLOR_RGB16 = 1 << 6, /* RGB16 */ - OMAP_DSS_COLOR_RGB24U = 1 << 7, /* RGB24, 32-bit container */ - OMAP_DSS_COLOR_RGB24P = 1 << 8, /* RGB24, 24-bit container */ - OMAP_DSS_COLOR_YUV2 = 1 << 9, /* YUV2 4:2:2 co-sited */ - OMAP_DSS_COLOR_UYVY = 1 << 10, /* UYVY 4:2:2 co-sited */ - OMAP_DSS_COLOR_ARGB32 = 1 << 11, /* ARGB32 */ - OMAP_DSS_COLOR_RGBA32 = 1 << 12, /* RGBA32 */ - OMAP_DSS_COLOR_RGBX32 = 1 << 13, /* RGBx32 */ -}; - -enum omap_lcd_display_type { - OMAP_DSS_LCD_DISPLAY_STN, - OMAP_DSS_LCD_DISPLAY_TFT, -}; - -enum omap_dss_load_mode { - OMAP_DSS_LOAD_CLUT_AND_FRAME = 0, - OMAP_DSS_LOAD_CLUT_ONLY = 1, - OMAP_DSS_LOAD_FRAME_ONLY = 2, - OMAP_DSS_LOAD_CLUT_ONCE_FRAME = 3, -}; - -enum omap_dss_trans_key_type { - OMAP_DSS_COLOR_KEY_GFX_DST = 0, - OMAP_DSS_COLOR_KEY_VID_SRC = 1, -}; - -enum omap_rfbi_te_mode { - OMAP_DSS_RFBI_TE_MODE_1 = 1, - OMAP_DSS_RFBI_TE_MODE_2 = 2, -}; - -enum omap_panel_config { - OMAP_DSS_LCD_IVS = 1<<0, - OMAP_DSS_LCD_IHS = 1<<1, - OMAP_DSS_LCD_IPC = 1<<2, - OMAP_DSS_LCD_IEO = 1<<3, - OMAP_DSS_LCD_RF = 1<<4, - OMAP_DSS_LCD_ONOFF = 1<<5, - - OMAP_DSS_LCD_TFT = 1<<20, -}; - -enum omap_dss_venc_type { - OMAP_DSS_VENC_TYPE_COMPOSITE, - OMAP_DSS_VENC_TYPE_SVIDEO, -}; - -enum omap_display_caps { - OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE = 1 << 0, - OMAP_DSS_DISPLAY_CAP_TEAR_ELIM = 1 << 1, -}; - -enum omap_dss_update_mode { - OMAP_DSS_UPDATE_DISABLED = 0, - OMAP_DSS_UPDATE_AUTO, - OMAP_DSS_UPDATE_MANUAL, -}; - -enum omap_dss_display_state { - OMAP_DSS_DISPLAY_DISABLED = 0, - OMAP_DSS_DISPLAY_ACTIVE, - OMAP_DSS_DISPLAY_SUSPENDED, -}; - -/* XXX perhaps this should be removed */ -enum omap_dss_overlay_managers { - OMAP_DSS_OVL_MGR_LCD, - OMAP_DSS_OVL_MGR_TV, - OMAP_DSS_OVL_MGR_LCD2, -}; - -enum omap_dss_rotation_type { - OMAP_DSS_ROT_DMA = 0, - OMAP_DSS_ROT_VRFB = 1, -}; - -/* clockwise rotation angle */ -enum omap_dss_rotation_angle { - OMAP_DSS_ROT_0 = 0, - OMAP_DSS_ROT_90 = 1, - OMAP_DSS_ROT_180 = 2, - OMAP_DSS_ROT_270 = 3, -}; - -enum omap_overlay_caps { - OMAP_DSS_OVL_CAP_SCALE = 1 << 0, - OMAP_DSS_OVL_CAP_DISPC = 1 << 1, -}; - -enum omap_overlay_manager_caps { - OMAP_DSS_OVL_MGR_CAP_DISPC = 1 << 0, -}; - -/* RFBI */ - -struct rfbi_timings { - int cs_on_time; - int cs_off_time; - int we_on_time; - int we_off_time; - int re_on_time; - int re_off_time; - int we_cycle_time; - int re_cycle_time; - int cs_pulse_width; - int access_time; - - int clk_div; - - u32 tim[5]; /* set by rfbi_convert_timings() */ - - int converted; -}; - -void omap_rfbi_write_command(const void *buf, u32 len); -void omap_rfbi_read_data(void *buf, u32 len); -void omap_rfbi_write_data(const void *buf, u32 len); -void omap_rfbi_write_pixels(const void __iomem *buf, int scr_width, - u16 x, u16 y, - u16 w, u16 h); -int omap_rfbi_enable_te(bool enable, unsigned line); -int omap_rfbi_setup_te(enum omap_rfbi_te_mode mode, - unsigned hs_pulse_time, unsigned vs_pulse_time, - int hs_pol_inv, int vs_pol_inv, int extif_div); - -/* DSI */ -void dsi_bus_lock(void); -void dsi_bus_unlock(void); -int dsi_vc_dcs_write(int channel, u8 *data, int len); -int dsi_vc_dcs_write_0(int channel, u8 dcs_cmd); -int dsi_vc_dcs_write_1(int channel, u8 dcs_cmd, u8 param); -int dsi_vc_dcs_write_nosync(int channel, u8 *data, int len); -int dsi_vc_dcs_read(int channel, u8 dcs_cmd, u8 *buf, int buflen); -int dsi_vc_dcs_read_1(int channel, u8 dcs_cmd, u8 *data); -int dsi_vc_dcs_read_2(int channel, u8 dcs_cmd, u8 *data1, u8 *data2); -int dsi_vc_set_max_rx_packet_size(int channel, u16 len); -int dsi_vc_send_null(int channel); -int dsi_vc_send_bta_sync(int channel); - -/* Board specific data */ -struct omap_dss_board_info { - int (*get_last_off_on_transaction_id)(struct device *dev); - int num_devices; - struct omap_dss_device **devices; - struct omap_dss_device *default_device; -}; - -#if defined(CONFIG_OMAP2_DSS_MODULE) || defined(CONFIG_OMAP2_DSS) -/* Init with the board info */ -extern int omap_display_init(struct omap_dss_board_info *board_data); -#else -static inline int omap_display_init(struct omap_dss_board_info *board_data) -{ - return 0; -} -#endif - -struct omap_display_platform_data { - struct omap_dss_board_info *board_data; - /* TODO: Additional members to be added when PM is considered */ - - bool (*opt_clock_available)(const char *clk_role); -}; - -struct omap_video_timings { - /* Unit: pixels */ - u16 x_res; - /* Unit: pixels */ - u16 y_res; - /* Unit: KHz */ - u32 pixel_clock; - /* Unit: pixel clocks */ - u16 hsw; /* Horizontal synchronization pulse width */ - /* Unit: pixel clocks */ - u16 hfp; /* Horizontal front porch */ - /* Unit: pixel clocks */ - u16 hbp; /* Horizontal back porch */ - /* Unit: line clocks */ - u16 vsw; /* Vertical synchronization pulse width */ - /* Unit: line clocks */ - u16 vfp; /* Vertical front porch */ - /* Unit: line clocks */ - u16 vbp; /* Vertical back porch */ -}; - -#ifdef CONFIG_OMAP2_DSS_VENC -/* Hardcoded timings for tv modes. Venc only uses these to - * identify the mode, and does not actually use the configs - * itself. However, the configs should be something that - * a normal monitor can also show */ -extern const struct omap_video_timings omap_dss_pal_timings; -extern const struct omap_video_timings omap_dss_ntsc_timings; -#endif - -struct omap_overlay_info { - bool enabled; - - u32 paddr; - void __iomem *vaddr; - u16 screen_width; - u16 width; - u16 height; - enum omap_color_mode color_mode; - u8 rotation; - enum omap_dss_rotation_type rotation_type; - bool mirror; - - u16 pos_x; - u16 pos_y; - u16 out_width; /* if 0, out_width == width */ - u16 out_height; /* if 0, out_height == height */ - u8 global_alpha; - u8 pre_mult_alpha; -}; - -struct omap_overlay { - struct kobject kobj; - struct list_head list; - - /* static fields */ - const char *name; - int id; - enum omap_color_mode supported_modes; - enum omap_overlay_caps caps; - - /* dynamic fields */ - struct omap_overlay_manager *manager; - struct omap_overlay_info info; - - /* if true, info has been changed, but not applied() yet */ - bool info_dirty; - - int (*set_manager)(struct omap_overlay *ovl, - struct omap_overlay_manager *mgr); - int (*unset_manager)(struct omap_overlay *ovl); - - int (*set_overlay_info)(struct omap_overlay *ovl, - struct omap_overlay_info *info); - void (*get_overlay_info)(struct omap_overlay *ovl, - struct omap_overlay_info *info); - - int (*wait_for_go)(struct omap_overlay *ovl); -}; - -struct omap_overlay_manager_info { - u32 default_color; - - enum omap_dss_trans_key_type trans_key_type; - u32 trans_key; - bool trans_enabled; - - bool alpha_enabled; -}; - -struct omap_overlay_manager { - struct kobject kobj; - struct list_head list; - - /* static fields */ - const char *name; - int id; - enum omap_overlay_manager_caps caps; - int num_overlays; - struct omap_overlay **overlays; - enum omap_display_type supported_displays; - - /* dynamic fields */ - struct omap_dss_device *device; - struct omap_overlay_manager_info info; - - bool device_changed; - /* if true, info has been changed but not applied() yet */ - bool info_dirty; - - int (*set_device)(struct omap_overlay_manager *mgr, - struct omap_dss_device *dssdev); - int (*unset_device)(struct omap_overlay_manager *mgr); - - int (*set_manager_info)(struct omap_overlay_manager *mgr, - struct omap_overlay_manager_info *info); - void (*get_manager_info)(struct omap_overlay_manager *mgr, - struct omap_overlay_manager_info *info); - - int (*apply)(struct omap_overlay_manager *mgr); - int (*wait_for_go)(struct omap_overlay_manager *mgr); - int (*wait_for_vsync)(struct omap_overlay_manager *mgr); - - int (*enable)(struct omap_overlay_manager *mgr); - int (*disable)(struct omap_overlay_manager *mgr); -}; - -struct omap_dss_device { - struct device dev; - - enum omap_display_type type; - - enum omap_channel channel; - - union { - struct { - u8 data_lines; - } dpi; - - struct { - u8 channel; - u8 data_lines; - } rfbi; - - struct { - u8 datapairs; - } sdi; - - struct { - u8 clk_lane; - u8 clk_pol; - u8 data1_lane; - u8 data1_pol; - u8 data2_lane; - u8 data2_pol; - - struct { - u16 regn; - u16 regm; - u16 regm_dispc; - u16 regm_dsi; - - u16 lp_clk_div; - - u16 lck_div; - u16 pck_div; - } div; - - bool ext_te; - u8 ext_te_gpio; - } dsi; - - struct { - enum omap_dss_venc_type type; - bool invert_polarity; - } venc; - } phy; - - struct { - struct omap_video_timings timings; - - int acbi; /* ac-bias pin transitions per interrupt */ - /* Unit: line clocks */ - int acb; /* ac-bias pin frequency */ - - enum omap_panel_config config; - } panel; - - struct { - u8 pixel_size; - struct rfbi_timings rfbi_timings; - } ctrl; - - int reset_gpio; - - int max_backlight_level; - - const char *name; - - /* used to match device to driver */ - const char *driver_name; - - void *data; - - struct omap_dss_driver *driver; - - /* helper variable for driver suspend/resume */ - bool activate_after_resume; - - enum omap_display_caps caps; - - struct omap_overlay_manager *manager; - - enum omap_dss_display_state state; - - /* platform specific */ - int (*platform_enable)(struct omap_dss_device *dssdev); - void (*platform_disable)(struct omap_dss_device *dssdev); - int (*set_backlight)(struct omap_dss_device *dssdev, int level); - int (*get_backlight)(struct omap_dss_device *dssdev); -}; - -struct omap_dss_driver { - struct device_driver driver; - - int (*probe)(struct omap_dss_device *); - void (*remove)(struct omap_dss_device *); - - int (*enable)(struct omap_dss_device *display); - void (*disable)(struct omap_dss_device *display); - int (*suspend)(struct omap_dss_device *display); - int (*resume)(struct omap_dss_device *display); - int (*run_test)(struct omap_dss_device *display, int test); - - int (*set_update_mode)(struct omap_dss_device *dssdev, - enum omap_dss_update_mode); - enum omap_dss_update_mode (*get_update_mode)( - struct omap_dss_device *dssdev); - - int (*update)(struct omap_dss_device *dssdev, - u16 x, u16 y, u16 w, u16 h); - int (*sync)(struct omap_dss_device *dssdev); - - int (*enable_te)(struct omap_dss_device *dssdev, bool enable); - int (*get_te)(struct omap_dss_device *dssdev); - - u8 (*get_rotate)(struct omap_dss_device *dssdev); - int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate); - - bool (*get_mirror)(struct omap_dss_device *dssdev); - int (*set_mirror)(struct omap_dss_device *dssdev, bool enable); - - int (*memory_read)(struct omap_dss_device *dssdev, - void *buf, size_t size, - u16 x, u16 y, u16 w, u16 h); - - void (*get_resolution)(struct omap_dss_device *dssdev, - u16 *xres, u16 *yres); - int (*get_recommended_bpp)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); - void (*set_timings)(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); - void (*get_timings)(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); - - int (*set_wss)(struct omap_dss_device *dssdev, u32 wss); - u32 (*get_wss)(struct omap_dss_device *dssdev); -}; - -int omap_dss_register_driver(struct omap_dss_driver *); -void omap_dss_unregister_driver(struct omap_dss_driver *); - -int omap_dss_register_device(struct omap_dss_device *); -void omap_dss_unregister_device(struct omap_dss_device *); - -void omap_dss_get_device(struct omap_dss_device *dssdev); -void omap_dss_put_device(struct omap_dss_device *dssdev); -#define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL) -struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from); -struct omap_dss_device *omap_dss_find_device(void *data, - int (*match)(struct omap_dss_device *dssdev, void *data)); - -int omap_dss_start_device(struct omap_dss_device *dssdev); -void omap_dss_stop_device(struct omap_dss_device *dssdev); - -int omap_dss_get_num_overlay_managers(void); -struct omap_overlay_manager *omap_dss_get_overlay_manager(int num); - -int omap_dss_get_num_overlays(void); -struct omap_overlay *omap_dss_get_overlay(int num); - -void omapdss_default_get_resolution(struct omap_dss_device *dssdev, - u16 *xres, u16 *yres); -int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev); - -typedef void (*omap_dispc_isr_t) (void *arg, u32 mask); -int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask); -int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask); - -int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout); -int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask, - unsigned long timeout); - -#define to_dss_driver(x) container_of((x), struct omap_dss_driver, driver) -#define to_dss_device(x) container_of((x), struct omap_dss_device, dev) - -void omapdss_dsi_vc_enable_hs(int channel, bool enable); -int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable); - -int omap_dsi_prepare_update(struct omap_dss_device *dssdev, - u16 *x, u16 *y, u16 *w, u16 *h, - bool enlarge_update_area); -int omap_dsi_update(struct omap_dss_device *dssdev, - int channel, - u16 x, u16 y, u16 w, u16 h, - void (*callback)(int, void *), void *data); -int omap_dsi_request_vc(struct omap_dss_device *dssdev, int *channel); -int omap_dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id); -void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel); - -int omapdss_dsi_display_enable(struct omap_dss_device *dssdev); -void omapdss_dsi_display_disable(struct omap_dss_device *dssdev); - -int omapdss_dpi_display_enable(struct omap_dss_device *dssdev); -void omapdss_dpi_display_disable(struct omap_dss_device *dssdev); -void dpi_set_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); -int dpi_check_timings(struct omap_dss_device *dssdev, - struct omap_video_timings *timings); - -int omapdss_sdi_display_enable(struct omap_dss_device *dssdev); -void omapdss_sdi_display_disable(struct omap_dss_device *dssdev); - -int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev); -void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev); -int omap_rfbi_prepare_update(struct omap_dss_device *dssdev, - u16 *x, u16 *y, u16 *w, u16 *h); -int omap_rfbi_update(struct omap_dss_device *dssdev, - u16 x, u16 y, u16 w, u16 h, - void (*callback)(void *), void *data); - -#endif diff --git a/arch/arm/plat-omap/include/plat/nokia-dsi-panel.h b/arch/arm/plat-omap/include/plat/nokia-dsi-panel.h deleted file mode 100644 index 01ab6572ccbb..000000000000 --- a/arch/arm/plat-omap/include/plat/nokia-dsi-panel.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H -#define __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H - -#include "display.h" - -/** - * struct nokia_dsi_panel_data - Nokia DSI panel driver configuration - * @name: panel name - * @use_ext_te: use external TE - * @ext_te_gpio: external TE GPIO - * @use_esd_check: perform ESD checks - * @max_backlight_level: maximum backlight level - * @set_backlight: pointer to backlight set function - * @get_backlight: pointer to backlight get function - */ -struct nokia_dsi_panel_data { - const char *name; - - int reset_gpio; - - bool use_ext_te; - int ext_te_gpio; - - bool use_esd_check; - - int max_backlight_level; - int (*set_backlight)(struct omap_dss_device *dssdev, int level); - int (*get_backlight)(struct omap_dss_device *dssdev); -}; - -#endif /* __ARCH_ARM_PLAT_OMAP_NOKIA_DSI_PANEL_H */ diff --git a/arch/arm/plat-omap/include/plat/panel-generic-dpi.h b/arch/arm/plat-omap/include/plat/panel-generic-dpi.h deleted file mode 100644 index 790619734bcd..000000000000 --- a/arch/arm/plat-omap/include/plat/panel-generic-dpi.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Header for generic DPI panel driver - * - * Copyright (C) 2010 Canonical Ltd. - * Author: Bryan Wu <bryan.wu@canonical.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/>. - */ - -#ifndef __ARCH_ARM_PLAT_OMAP_PANEL_GENERIC_DPI_H -#define __ARCH_ARM_PLAT_OMAP_PANEL_GENERIC_DPI_H - -#include "display.h" - -/** - * struct panel_generic_dpi_data - panel driver configuration data - * @name: panel name - * @platform_enable: platform specific panel enable function - * @platform_disable: platform specific panel disable function - */ -struct panel_generic_dpi_data { - const char *name; - int (*platform_enable)(struct omap_dss_device *dssdev); - void (*platform_disable)(struct omap_dss_device *dssdev); -}; - -#endif /* __ARCH_ARM_PLAT_OMAP_PANEL_GENERIC_DPI_H */ diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c index a7314d44b17b..2798c2d4a1cf 100644 --- a/arch/avr32/mm/init.c +++ b/arch/avr32/mm/init.c @@ -25,8 +25,6 @@ #include <asm/setup.h> #include <asm/sections.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_data; struct page *empty_zero_page; diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index 825d59e8ae45..e2a3d4c8ab9a 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -9,15 +9,6 @@ config DEBUG_STACKOVERFLOW This option will cause messages to be printed if free stack space drops below a certain limit. -config DEBUG_STACK_USAGE - bool "Enable stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T output. - - This option will slow down process creation somewhat. - config DEBUG_VERBOSE bool "Verbose fault messages" default y diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c index 68a1a5901ca5..5ebe6e841820 100644 --- a/arch/cris/arch-v32/kernel/irq.c +++ b/arch/cris/arch-v32/kernel/irq.c @@ -266,11 +266,11 @@ static int irq_cpu(int irq) /* Let the interrupt stay if possible */ - if (cpu_isset(cpu, irq_allocations[irq - FIRST_IRQ].mask)) + if (cpumask_test_cpu(cpu, &irq_allocations[irq - FIRST_IRQ].mask)) goto out; /* IRQ must be moved to another CPU. */ - cpu = first_cpu(irq_allocations[irq - FIRST_IRQ].mask); + cpu = cpumask_first(&irq_allocations[irq - FIRST_IRQ].mask); irq_allocations[irq - FIRST_IRQ].cpu = cpu; out: spin_unlock_irqrestore(&irq_lock, flags); diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index 66cc75657e2f..a0843a71aaee 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -81,7 +81,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) /* Mark all possible CPUs as present */ for (i = 0; i < max_cpus; i++) - cpu_set(i, phys_cpu_present_map); + cpumask_set_cpu(i, &phys_cpu_present_map); } void __devinit smp_prepare_boot_cpu(void) @@ -98,7 +98,7 @@ void __devinit smp_prepare_boot_cpu(void) SUPP_REG_WR(RW_MM_TLB_PGD, pgd); set_cpu_online(0, true); - cpu_set(0, phys_cpu_present_map); + cpumask_set_cpu(0, &phys_cpu_present_map); set_cpu_possible(0, true); } @@ -112,8 +112,9 @@ smp_boot_one_cpu(int cpuid) { unsigned timeout; struct task_struct *idle; - cpumask_t cpu_mask = CPU_MASK_NONE; + cpumask_t cpu_mask; + cpumask_clear(&cpu_mask); idle = fork_idle(cpuid); if (IS_ERR(idle)) panic("SMP: fork failed for CPU:%d", cpuid); @@ -125,10 +126,10 @@ smp_boot_one_cpu(int cpuid) cpu_now_booting = cpuid; /* Kick it */ - cpu_set(cpuid, cpu_online_map); - cpu_set(cpuid, cpu_mask); + set_cpu_online(cpuid, true); + cpumask_set_cpu(cpuid, &cpu_mask); send_ipi(IPI_BOOT, 0, cpu_mask); - cpu_clear(cpuid, cpu_online_map); + set_cpu_online(cpuid, false); /* Wait for CPU to come online */ for (timeout = 0; timeout < 10000; timeout++) { @@ -176,7 +177,7 @@ void __init smp_callin(void) notify_cpu_starting(cpu); local_irq_enable(); - cpu_set(cpu, cpu_online_map); + set_cpu_online(cpu, true); cpu_idle(); } @@ -214,8 +215,9 @@ int __cpuinit __cpu_up(unsigned int cpu) void smp_send_reschedule(int cpu) { - cpumask_t cpu_mask = CPU_MASK_NONE; - cpu_set(cpu, cpu_mask); + cpumask_t cpu_mask; + cpumask_clear(&cpu_mask); + cpumask_set_cpu(cpu, &cpu_mask); send_ipi(IPI_SCHEDULE, 0, cpu_mask); } @@ -232,7 +234,7 @@ void flush_tlb_common(struct mm_struct* mm, struct vm_area_struct* vma, unsigned spin_lock_irqsave(&tlbstate_lock, flags); cpu_mask = (mm == FLUSH_ALL ? cpu_all_mask : *mm_cpumask(mm)); - cpu_clear(smp_processor_id(), cpu_mask); + cpumask_clear_cpu(smp_processor_id(), &cpu_mask); flush_mm = mm; flush_vma = vma; flush_addr = addr; @@ -277,10 +279,10 @@ int send_ipi(int vector, int wait, cpumask_t cpu_mask) int ret = 0; /* Calculate CPUs to send to. */ - cpus_and(cpu_mask, cpu_mask, cpu_online_map); + cpumask_and(&cpu_mask, &cpu_mask, cpu_online_mask); /* Send the IPI. */ - for_each_cpu_mask(i, cpu_mask) + for_each_cpu(i, &cpu_mask) { ipi.vector |= vector; REG_WR(intr_vect, irq_regs[i], rw_ipi, ipi); @@ -288,7 +290,7 @@ int send_ipi(int vector, int wait, cpumask_t cpu_mask) /* Wait for IPI to finish on other CPUS */ if (wait) { - for_each_cpu_mask(i, cpu_mask) { + for_each_cpu(i, &cpu_mask) { int j; for (j = 0 ; j < 1000; j++) { ipi = REG_RD(intr_vect, irq_regs[i], rw_ipi); @@ -314,11 +316,12 @@ int send_ipi(int vector, int wait, cpumask_t cpu_mask) */ int smp_call_function(void (*func)(void *info), void *info, int wait) { - cpumask_t cpu_mask = CPU_MASK_ALL; + cpumask_t cpu_mask; struct call_data_struct data; int ret; - cpu_clear(smp_processor_id(), cpu_mask); + cpumask_setall(&cpu_mask); + cpumask_clear_cpu(smp_processor_id(), &cpu_mask); WARN_ON(irqs_disabled()); diff --git a/arch/cris/mm/init.c b/arch/cris/mm/init.c index df33ab89d70f..d72ab58fd83e 100644 --- a/arch/cris/mm/init.c +++ b/arch/cris/mm/init.c @@ -13,8 +13,6 @@ #include <linux/bootmem.h> #include <asm/tlb.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - unsigned long empty_zero_page; extern char _stext, _edata, _etext; /* From linkerscript */ diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c index ed64588ac3a7..fbe5f0dbae06 100644 --- a/arch/frv/mm/init.c +++ b/arch/frv/mm/init.c @@ -41,8 +41,6 @@ #undef DEBUG -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - /* * BAD_PAGE is the page that is used for page faults when linux * is out-of-memory. Older versions of linux just did a diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h index 23cce999eb1c..c3ffe3e54edc 100644 --- a/arch/ia64/include/asm/tlb.h +++ b/arch/ia64/include/asm/tlb.h @@ -47,21 +47,27 @@ #include <asm/machvec.h> #ifdef CONFIG_SMP -# define FREE_PTE_NR 2048 # define tlb_fast_mode(tlb) ((tlb)->nr == ~0U) #else -# define FREE_PTE_NR 0 # define tlb_fast_mode(tlb) (1) #endif +/* + * If we can't allocate a page to make a big batch of page pointers + * to work on, then just handle a few from the on-stack structure. + */ +#define IA64_GATHER_BUNDLE 8 + struct mmu_gather { struct mm_struct *mm; unsigned int nr; /* == ~0U => fast mode */ + unsigned int max; unsigned char fullmm; /* non-zero means full mm flush */ unsigned char need_flush; /* really unmapped some PTEs? */ unsigned long start_addr; unsigned long end_addr; - struct page *pages[FREE_PTE_NR]; + struct page **pages; + struct page *local[IA64_GATHER_BUNDLE]; }; struct ia64_tr_entry { @@ -90,9 +96,6 @@ extern struct ia64_tr_entry *ia64_idtrs[NR_CPUS]; #define RR_RID_MASK 0x00000000ffffff00L #define RR_TO_RID(val) ((val >> 8) & 0xffffff) -/* Users of the generic TLB shootdown code must declare this storage space. */ -DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); - /* * Flush the TLB for address range START to END and, if not in fast mode, release the * freed pages that where gathered up to this point. @@ -147,15 +150,23 @@ ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long e } } -/* - * Return a pointer to an initialized struct mmu_gather. - */ -static inline struct mmu_gather * -tlb_gather_mmu (struct mm_struct *mm, unsigned int full_mm_flush) +static inline void __tlb_alloc_page(struct mmu_gather *tlb) { - struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); + unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0); + if (addr) { + tlb->pages = (void *)addr; + tlb->max = PAGE_SIZE / sizeof(void *); + } +} + + +static inline void +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) +{ tlb->mm = mm; + tlb->max = ARRAY_SIZE(tlb->local); + tlb->pages = tlb->local; /* * Use fast mode if only 1 CPU is online. * @@ -172,7 +183,6 @@ tlb_gather_mmu (struct mm_struct *mm, unsigned int full_mm_flush) tlb->nr = (num_online_cpus() == 1) ? ~0U : 0; tlb->fullmm = full_mm_flush; tlb->start_addr = ~0UL; - return tlb; } /* @@ -180,7 +190,7 @@ tlb_gather_mmu (struct mm_struct *mm, unsigned int full_mm_flush) * collected. */ static inline void -tlb_finish_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end) +tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) { /* * Note: tlb->nr may be 0 at this point, so we can't rely on tlb->start_addr and @@ -191,7 +201,8 @@ tlb_finish_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end) /* keep the page table cache within bounds */ check_pgt_cache(); - put_cpu_var(mmu_gathers); + if (tlb->pages != tlb->local) + free_pages((unsigned long)tlb->pages, 0); } /* @@ -199,18 +210,33 @@ tlb_finish_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end) * must be delayed until after the TLB has been flushed (see comments at the beginning of * this file). */ -static inline void -tlb_remove_page (struct mmu_gather *tlb, struct page *page) +static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) { tlb->need_flush = 1; if (tlb_fast_mode(tlb)) { free_page_and_swap_cache(page); - return; + return 1; /* avoid calling tlb_flush_mmu */ } + + if (!tlb->nr && tlb->pages == tlb->local) + __tlb_alloc_page(tlb); + tlb->pages[tlb->nr++] = page; - if (tlb->nr >= FREE_PTE_NR) - ia64_tlb_flush_mmu(tlb, tlb->start_addr, tlb->end_addr); + VM_BUG_ON(tlb->nr > tlb->max); + + return tlb->max - tlb->nr; +} + +static inline void tlb_flush_mmu(struct mmu_gather *tlb) +{ + ia64_tlb_flush_mmu(tlb, tlb->start_addr, tlb->end_addr); +} + +static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + if (!__tlb_remove_page(tlb, page)) + tlb_flush_mmu(tlb); } /* diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 9a018cde5d84..f114a3b14c6a 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -44,13 +44,16 @@ void show_mem(unsigned int filter) pg_data_t *pgdat; printk(KERN_INFO "Mem-info:\n"); - show_free_areas(); + show_free_areas(filter); printk(KERN_INFO "Node memory in pages:\n"); for_each_online_pgdat(pgdat) { unsigned long present; unsigned long flags; int shared = 0, cached = 0, reserved = 0; + int nid = pgdat->node_id; + if (skip_free_areas_node(filter, nid)) + continue; pgdat_resize_lock(pgdat, &flags); present = pgdat->node_present_pages; for(i = 0; i < pgdat->node_spanned_pages; i++) { @@ -64,8 +67,7 @@ void show_mem(unsigned int filter) if (max_gap < LARGE_GAP) continue; #endif - i = vmemmap_find_next_valid_pfn(pgdat->node_id, - i) - 1; + i = vmemmap_find_next_valid_pfn(nid, i) - 1; continue; } if (PageReserved(page)) @@ -81,7 +83,7 @@ void show_mem(unsigned int filter) total_cached += cached; total_shared += shared; printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, " - "shrd: %10d, swpd: %10d\n", pgdat->node_id, + "shrd: %10d, swpd: %10d\n", nid, present, reserved, shared, cached); } printk(KERN_INFO "%ld pages of RAM\n", total_present); diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 82ab1bc6afb1..c641333cd997 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -622,13 +622,16 @@ void show_mem(unsigned int filter) pg_data_t *pgdat; printk(KERN_INFO "Mem-info:\n"); - show_free_areas(); + show_free_areas(filter); printk(KERN_INFO "Node memory in pages:\n"); for_each_online_pgdat(pgdat) { unsigned long present; unsigned long flags; int shared = 0, cached = 0, reserved = 0; + int nid = pgdat->node_id; + if (skip_free_areas_node(filter, nid)) + continue; pgdat_resize_lock(pgdat, &flags); present = pgdat->node_present_pages; for(i = 0; i < pgdat->node_spanned_pages; i++) { @@ -638,8 +641,7 @@ void show_mem(unsigned int filter) if (pfn_valid(pgdat->node_start_pfn + i)) page = pfn_to_page(pgdat->node_start_pfn + i); else { - i = vmemmap_find_next_valid_pfn(pgdat->node_id, - i) - 1; + i = vmemmap_find_next_valid_pfn(nid, i) - 1; continue; } if (PageReserved(page)) @@ -655,7 +657,7 @@ void show_mem(unsigned int filter) total_cached += cached; total_shared += shared; printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, " - "shrd: %10d, swpd: %10d\n", pgdat->node_id, + "shrd: %10d, swpd: %10d\n", nid, present, reserved, shared, cached); } printk(KERN_INFO "%ld pages of RAM\n", total_present); diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index ed41759efcac..00cb0e26c64e 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -36,8 +36,6 @@ #include <asm/mca.h> #include <asm/paravirt.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - extern void ia64_tlb_init (void); unsigned long MAX_DMA_ADDRESS = PAGE_OFFSET + 0x100000000UL; diff --git a/arch/m32r/Kconfig.debug b/arch/m32r/Kconfig.debug index 2e1019ddbb22..bb1afc1a31cc 100644 --- a/arch/m32r/Kconfig.debug +++ b/arch/m32r/Kconfig.debug @@ -9,15 +9,6 @@ config DEBUG_STACKOVERFLOW This option will cause messages to be printed if free stack space drops below a certain limit. -config DEBUG_STACK_USAGE - bool "Stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T and sysrq-P debug output. - - This option will slow down process creation somewhat. - config DEBUG_PAGEALLOC bool "Debug page memory allocations" depends on DEBUG_KERNEL && BROKEN diff --git a/arch/m32r/include/asm/smp.h b/arch/m32r/include/asm/smp.h index e67ded1aab91..8accc1bb0263 100644 --- a/arch/m32r/include/asm/smp.h +++ b/arch/m32r/include/asm/smp.h @@ -94,8 +94,6 @@ extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); #define NO_PROC_ID (0xff) /* No processor magic marker */ -#define PROC_CHANGE_PENALTY (15) /* Schedule penalty */ - /* * M32R-mp IPI */ diff --git a/arch/m32r/mm/discontig.c b/arch/m32r/mm/discontig.c index 5d2858f6eede..2c468e8b5853 100644 --- a/arch/m32r/mm/discontig.c +++ b/arch/m32r/mm/discontig.c @@ -149,6 +149,7 @@ unsigned long __init zone_sizes_init(void) zholes_size[ZONE_DMA] = mp->holes; holes += zholes_size[ZONE_DMA]; + node_set_state(nid, N_NORMAL_MEMORY); free_area_init_node(nid, zones_size, start_pfn, zholes_size); } diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c index 73e2205ebf5a..78b660e903da 100644 --- a/arch/m32r/mm/init.c +++ b/arch/m32r/mm/init.c @@ -35,8 +35,6 @@ extern char __init_begin, __init_end; pgd_t swapper_pg_dir[1024]; -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - /* * Cache of MMU context last used. */ diff --git a/arch/m68k/mm/init_mm.c b/arch/m68k/mm/init_mm.c index 8bc842554e5b..9113c2f17607 100644 --- a/arch/m68k/mm/init_mm.c +++ b/arch/m68k/mm/init_mm.c @@ -32,8 +32,6 @@ #include <asm/sections.h> #include <asm/tlb.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - pg_data_t pg_data_map[MAX_NUMNODES]; EXPORT_SYMBOL(pg_data_map); diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index c8437866d3b7..213f2d671669 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -32,8 +32,6 @@ unsigned int __page_offset; EXPORT_SYMBOL(__page_offset); #else -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - static int init_bootmem_done; #endif /* CONFIG_MMU */ diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index 5358f90b4dd2..83ed00a5644a 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -76,15 +76,6 @@ config DEBUG_STACKOVERFLOW provides another way to check stack overflow happened on kernel mode stack usually caused by nested interruption. -config DEBUG_STACK_USAGE - bool "Enable stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T and sysrq-P debug output. - - This option will slow down process creation somewhat. - config SMTC_IDLE_HOOK_DEBUG bool "Enable additional debug checks before going into CPU idle loop" depends on DEBUG_KERNEL && MIPS_MT_SMTC diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 279599e9a779..1aadeb42c5a5 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -64,8 +64,6 @@ #endif /* CONFIG_MIPS_MT_SMTC */ -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - /* * We have up to 8 empty zeroed pages so we can map one of the right colour * when needed. This is necessary only on R4000 / R4400 SC and MC versions diff --git a/arch/mn10300/kernel/irq.c b/arch/mn10300/kernel/irq.c index 86af0d7d0771..2623d19f4f4c 100644 --- a/arch/mn10300/kernel/irq.c +++ b/arch/mn10300/kernel/irq.c @@ -87,7 +87,7 @@ static void mn10300_cpupic_mask_ack(struct irq_data *d) tmp2 = GxICR(irq); irq_affinity_online[irq] = - any_online_cpu(*d->affinity); + cpumask_any_and(d->affinity, cpu_online_mask); CROSS_GxICR(irq, irq_affinity_online[irq]) = (tmp & (GxICR_LEVEL | GxICR_ENABLE)) | GxICR_DETECT; tmp = CROSS_GxICR(irq, irq_affinity_online[irq]); @@ -124,7 +124,8 @@ static void mn10300_cpupic_unmask_clear(struct irq_data *d) } else { tmp = GxICR(irq); - irq_affinity_online[irq] = any_online_cpu(*d->affinity); + irq_affinity_online[irq] = cpumask_any_and(d->affinity, + cpu_online_mask); CROSS_GxICR(irq, irq_affinity_online[irq]) = (tmp & GxICR_LEVEL) | GxICR_ENABLE | GxICR_DETECT; tmp = CROSS_GxICR(irq, irq_affinity_online[irq]); } @@ -366,11 +367,11 @@ void migrate_irqs(void) if (irqd_is_per_cpu(data)) continue; - if (cpu_isset(self, data->affinity) && - !cpus_intersects(irq_affinity[irq], cpu_online_map)) { + if (cpumask_test_cpu(self, &data->affinity) && + !cpumask_intersects(&irq_affinity[irq], cpu_online_mask)) { int cpu_id; - cpu_id = first_cpu(cpu_online_map); - cpu_set(cpu_id, data->affinity); + cpu_id = cpumask_first(cpu_online_mask); + cpumask_set_cpu(cpu_id, &data->affinity); } /* We need to operate irq_affinity_online atomically. */ arch_local_cli_save(flags); @@ -381,7 +382,8 @@ void migrate_irqs(void) GxICR(irq) = x & GxICR_LEVEL; tmp = GxICR(irq); - new = any_online_cpu(data->affinity); + new = cpumask_any_and(&data->affinity, + cpu_online_mask); irq_affinity_online[irq] = new; CROSS_GxICR(irq, new) = diff --git a/arch/mn10300/kernel/smp.c b/arch/mn10300/kernel/smp.c index 83fb27912231..9242e9fcc564 100644 --- a/arch/mn10300/kernel/smp.c +++ b/arch/mn10300/kernel/smp.c @@ -309,7 +309,7 @@ static void send_IPI_mask(const cpumask_t *cpumask, int irq) u16 tmp; for (i = 0; i < NR_CPUS; i++) { - if (cpu_isset(i, *cpumask)) { + if (cpumask_test_cpu(i, cpumask)) { /* send IPI */ tmp = CROSS_GxICR(irq, i); CROSS_GxICR(irq, i) = @@ -342,8 +342,8 @@ void send_IPI_allbutself(int irq) { cpumask_t cpumask; - cpumask = cpu_online_map; - cpu_clear(smp_processor_id(), cpumask); + cpumask_copy(&cpumask, cpu_online_mask); + cpumask_clear_cpu(smp_processor_id(), &cpumask); send_IPI_mask(&cpumask, irq); } @@ -393,8 +393,8 @@ int smp_nmi_call_function(smp_call_func_t func, void *info, int wait) data.func = func; data.info = info; - data.started = cpu_online_map; - cpu_clear(smp_processor_id(), data.started); + cpumask_copy(&data.started, cpu_online_mask); + cpumask_clear_cpu(smp_processor_id(), &data.started); data.wait = wait; if (wait) data.finished = data.started; @@ -410,14 +410,14 @@ int smp_nmi_call_function(smp_call_func_t func, void *info, int wait) if (CALL_FUNCTION_NMI_IPI_TIMEOUT > 0) { for (cnt = 0; cnt < CALL_FUNCTION_NMI_IPI_TIMEOUT && - !cpus_empty(data.started); + !cpumask_empty(&data.started); cnt++) mdelay(1); if (wait && cnt < CALL_FUNCTION_NMI_IPI_TIMEOUT) { for (cnt = 0; cnt < CALL_FUNCTION_NMI_IPI_TIMEOUT && - !cpus_empty(data.finished); + !cpumask_empty(&data.finished); cnt++) mdelay(1); } @@ -428,10 +428,10 @@ int smp_nmi_call_function(smp_call_func_t func, void *info, int wait) } else { /* If timeout value is zero, wait until cpumask has been * cleared */ - while (!cpus_empty(data.started)) + while (!cpumask_empty(&data.started)) barrier(); if (wait) - while (!cpus_empty(data.finished)) + while (!cpumask_empty(&data.finished)) barrier(); } @@ -472,12 +472,12 @@ void stop_this_cpu(void *unused) #endif /* CONFIG_GDBSTUB */ flags = arch_local_cli_save(); - cpu_clear(smp_processor_id(), cpu_online_map); + set_cpu_online(smp_processor_id(), false); while (!stopflag) cpu_relax(); - cpu_set(smp_processor_id(), cpu_online_map); + set_cpu_online(smp_processor_id(), true); arch_local_irq_restore(flags); } @@ -529,12 +529,13 @@ void smp_nmi_call_function_interrupt(void) * execute the function */ smp_mb(); - cpu_clear(smp_processor_id(), nmi_call_data->started); + cpumask_clear_cpu(smp_processor_id(), &nmi_call_data->started); (*func)(info); if (wait) { smp_mb(); - cpu_clear(smp_processor_id(), nmi_call_data->finished); + cpumask_clear_cpu(smp_processor_id(), + &nmi_call_data->finished); } } @@ -657,7 +658,7 @@ int __init start_secondary(void *unused) { smp_cpu_init(); smp_callin(); - while (!cpu_isset(smp_processor_id(), smp_commenced_mask)) + while (!cpumask_test_cpu(smp_processor_id(), &smp_commenced_mask)) cpu_relax(); local_flush_tlb(); @@ -780,13 +781,14 @@ static int __init do_boot_cpu(int phy_id) if (send_status == 0) { /* Allow AP to start initializing */ - cpu_set(cpu_id, cpu_callout_map); + cpumask_set_cpu(cpu_id, &cpu_callout_map); /* Wait for setting cpu_callin_map */ timeout = 0; do { udelay(1000); - callin_status = cpu_isset(cpu_id, cpu_callin_map); + callin_status = cpumask_test_cpu(cpu_id, + &cpu_callin_map); } while (callin_status == 0 && timeout++ < 5000); if (callin_status == 0) @@ -796,9 +798,9 @@ static int __init do_boot_cpu(int phy_id) } if (send_status == GxICR_REQUEST || callin_status == 0) { - cpu_clear(cpu_id, cpu_callout_map); - cpu_clear(cpu_id, cpu_callin_map); - cpu_clear(cpu_id, cpu_initialized); + cpumask_clear_cpu(cpu_id, &cpu_callout_map); + cpumask_clear_cpu(cpu_id, &cpu_callin_map); + cpumask_clear_cpu(cpu_id, &cpu_initialized); cpucount--; return 1; } @@ -833,7 +835,7 @@ static void __init smp_callin(void) cpu = smp_processor_id(); timeout = jiffies + (2 * HZ); - if (cpu_isset(cpu, cpu_callin_map)) { + if (cpumask_test_cpu(cpu, &cpu_callin_map)) { printk(KERN_ERR "CPU#%d already present.\n", cpu); BUG(); } @@ -841,7 +843,7 @@ static void __init smp_callin(void) /* Wait for AP startup 2s total */ while (time_before(jiffies, timeout)) { - if (cpu_isset(cpu, cpu_callout_map)) + if (cpumask_test_cpu(cpu, &cpu_callout_map)) break; cpu_relax(); } @@ -861,11 +863,11 @@ static void __init smp_callin(void) smp_store_cpu_info(cpu); /* Allow the boot processor to continue */ - cpu_set(cpu, cpu_callin_map); + cpumask_set_cpu(cpu, &cpu_callin_map); } /** - * smp_online - Set cpu_online_map + * smp_online - Set cpu_online_mask */ static void __init smp_online(void) { @@ -875,7 +877,7 @@ static void __init smp_online(void) local_irq_enable(); - cpu_set(cpu, cpu_online_map); + set_cpu_online(cpu, true); smp_wmb(); } @@ -892,13 +894,13 @@ void __init smp_cpus_done(unsigned int max_cpus) /* * smp_prepare_boot_cpu - Set up stuff for the boot processor. * - * Set up the cpu_online_map, cpu_callout_map and cpu_callin_map of the boot + * Set up the cpu_online_mask, cpu_callout_map and cpu_callin_map of the boot * processor (CPU 0). */ void __devinit smp_prepare_boot_cpu(void) { - cpu_set(0, cpu_callout_map); - cpu_set(0, cpu_callin_map); + cpumask_set_cpu(0, &cpu_callout_map); + cpumask_set_cpu(0, &cpu_callin_map); current_thread_info()->cpu = 0; } @@ -931,16 +933,16 @@ int __devinit __cpu_up(unsigned int cpu) run_wakeup_cpu(cpu); #endif /* CONFIG_HOTPLUG_CPU */ - cpu_set(cpu, smp_commenced_mask); + cpumask_set_cpu(cpu, &smp_commenced_mask); /* Wait 5s total for a response */ for (timeout = 0 ; timeout < 5000 ; timeout++) { - if (cpu_isset(cpu, cpu_online_map)) + if (cpu_online(cpu)) break; udelay(1000); } - BUG_ON(!cpu_isset(cpu, cpu_online_map)); + BUG_ON(!cpu_online(cpu)); return 0; } @@ -986,7 +988,7 @@ int __cpu_disable(void) return -EBUSY; migrate_irqs(); - cpu_clear(cpu, current->active_mm->cpu_vm_mask); + cpumask_clear_cpu(cpu, &mm_cpumask(current->active_mm)); return 0; } @@ -1091,13 +1093,13 @@ static int hotplug_cpu_nmi_call_function(cpumask_t cpumask, do { mn10300_local_dcache_inv_range(start, end); barrier(); - } while (!cpus_empty(nmi_call_func_mask_data.started)); + } while (!cpumask_empty(&nmi_call_func_mask_data.started)); if (wait) { do { mn10300_local_dcache_inv_range(start, end); barrier(); - } while (!cpus_empty(nmi_call_func_mask_data.finished)); + } while (!cpumask_empty(&nmi_call_func_mask_data.finished)); } spin_unlock(&smp_nmi_call_lock); @@ -1108,9 +1110,9 @@ static void restart_wakeup_cpu(void) { unsigned int cpu = smp_processor_id(); - cpu_set(cpu, cpu_callin_map); + cpumask_set_cpu(cpu, &cpu_callin_map); local_flush_tlb(); - cpu_set(cpu, cpu_online_map); + set_cpu_online(cpu, true); smp_wmb(); } @@ -1141,8 +1143,9 @@ static void sleep_cpu(void *unused) static void run_sleep_cpu(unsigned int cpu) { unsigned long flags; - cpumask_t cpumask = cpumask_of(cpu); + cpumask_t cpumask; + cpumask_copy(&cpumask, &cpumask_of(cpu)); flags = arch_local_cli_save(); hotplug_cpu_nmi_call_function(cpumask, prepare_sleep_cpu, NULL, 1); hotplug_cpu_nmi_call_function(cpumask, sleep_cpu, NULL, 0); diff --git a/arch/mn10300/mm/cache-smp.c b/arch/mn10300/mm/cache-smp.c index 4a6e9a4b5b27..2d23b9eeee62 100644 --- a/arch/mn10300/mm/cache-smp.c +++ b/arch/mn10300/mm/cache-smp.c @@ -74,7 +74,7 @@ void smp_cache_interrupt(void) break; } - cpu_clear(smp_processor_id(), smp_cache_ipi_map); + cpumask_clear_cpu(smp_processor_id(), &smp_cache_ipi_map); } /** @@ -94,12 +94,12 @@ void smp_cache_call(unsigned long opr_mask, smp_cache_mask = opr_mask; smp_cache_start = start; smp_cache_end = end; - smp_cache_ipi_map = cpu_online_map; - cpu_clear(smp_processor_id(), smp_cache_ipi_map); + cpumask_copy(&smp_cache_ipi_map, cpu_online_mask); + cpumask_clear_cpu(smp_processor_id(), &smp_cache_ipi_map); send_IPI_allbutself(FLUSH_CACHE_IPI); - while (!cpus_empty(smp_cache_ipi_map)) + while (!cpumask_empty(&smp_cache_ipi_map)) /* nothing. lockup detection does not belong here */ mb(); } diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c index 48907cc3bdb7..13801824e3ee 100644 --- a/arch/mn10300/mm/init.c +++ b/arch/mn10300/mm/init.c @@ -37,8 +37,6 @@ #include <asm/tlb.h> #include <asm/sections.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - unsigned long highstart_pfn, highend_pfn; #ifdef CONFIG_MN10300_HAS_ATOMIC_OPS_UNIT diff --git a/arch/mn10300/mm/tlb-smp.c b/arch/mn10300/mm/tlb-smp.c index 0b6a5ad1960e..9a777498a916 100644 --- a/arch/mn10300/mm/tlb-smp.c +++ b/arch/mn10300/mm/tlb-smp.c @@ -64,7 +64,7 @@ void smp_flush_tlb(void *unused) cpu_id = get_cpu(); - if (!cpu_isset(cpu_id, flush_cpumask)) + if (!cpumask_test_cpu(cpu_id, &flush_cpumask)) /* This was a BUG() but until someone can quote me the line * from the intel manual that guarantees an IPI to multiple * CPUs is retried _only_ on the erroring CPUs its staying as a @@ -80,7 +80,7 @@ void smp_flush_tlb(void *unused) local_flush_tlb_page(flush_mm, flush_va); smp_mb__before_clear_bit(); - cpu_clear(cpu_id, flush_cpumask); + cpumask_clear_cpu(cpu_id, &flush_cpumask); smp_mb__after_clear_bit(); out: put_cpu(); @@ -103,11 +103,11 @@ static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm, * - we do not send IPIs to as-yet unbooted CPUs. */ BUG_ON(!mm); - BUG_ON(cpus_empty(cpumask)); - BUG_ON(cpu_isset(smp_processor_id(), cpumask)); + BUG_ON(cpumask_empty(&cpumask)); + BUG_ON(cpumask_test_cpu(smp_processor_id(), &cpumask)); - cpus_and(tmp, cpumask, cpu_online_map); - BUG_ON(!cpus_equal(cpumask, tmp)); + cpumask_and(&tmp, &cpumask, cpu_online_mask); + BUG_ON(!cpumask_equal(&cpumask, &tmp)); /* I'm not happy about this global shared spinlock in the MM hot path, * but we'll see how contended it is. @@ -128,7 +128,7 @@ static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm, /* FIXME: if NR_CPUS>=3, change send_IPI_mask */ smp_call_function(smp_flush_tlb, NULL, 1); - while (!cpus_empty(flush_cpumask)) + while (!cpumask_empty(&flush_cpumask)) /* Lockup detection does not belong here */ smp_mb(); @@ -146,11 +146,11 @@ void flush_tlb_mm(struct mm_struct *mm) cpumask_t cpu_mask; preempt_disable(); - cpu_mask = mm->cpu_vm_mask; - cpu_clear(smp_processor_id(), cpu_mask); + cpumask_copy(&cpu_mask, mm_cpumask(mm)); + cpumask_clear_cpu(smp_processor_id(), &cpu_mask); local_flush_tlb(); - if (!cpus_empty(cpu_mask)) + if (!cpumask_empty(&cpu_mask)) flush_tlb_others(cpu_mask, mm, FLUSH_ALL); preempt_enable(); @@ -165,11 +165,11 @@ void flush_tlb_current_task(void) cpumask_t cpu_mask; preempt_disable(); - cpu_mask = mm->cpu_vm_mask; - cpu_clear(smp_processor_id(), cpu_mask); + cpumask_copy(&cpu_mask, mm_cpumask(mm)); + cpumask_clear_cpu(smp_processor_id(), &cpu_mask); local_flush_tlb(); - if (!cpus_empty(cpu_mask)) + if (!cpumask_empty(&cpu_mask)) flush_tlb_others(cpu_mask, mm, FLUSH_ALL); preempt_enable(); @@ -186,11 +186,11 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long va) cpumask_t cpu_mask; preempt_disable(); - cpu_mask = mm->cpu_vm_mask; - cpu_clear(smp_processor_id(), cpu_mask); + cpumask_copy(&cpu_mask, mm_cpumask(mm)); + cpumask_clear_cpu(smp_processor_id(), &cpu_mask); local_flush_tlb_page(mm, va); - if (!cpus_empty(cpu_mask)) + if (!cpumask_empty(&cpu_mask)) flush_tlb_others(cpu_mask, mm, va); preempt_enable(); diff --git a/arch/parisc/include/asm/smp.h b/arch/parisc/include/asm/smp.h index 2e73623feb6b..e8f8037d872b 100644 --- a/arch/parisc/include/asm/smp.h +++ b/arch/parisc/include/asm/smp.h @@ -33,15 +33,6 @@ extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); #endif /* !ASSEMBLY */ -/* - * This magic constant controls our willingness to transfer - * a process across CPUs. Such a transfer incurs cache and tlb - * misses. The current value is inherited from i386. Still needs - * to be tuned for parisc. - */ - -#define PROC_CHANGE_PENALTY 15 /* Schedule penalty */ - #define raw_smp_processor_id() (current_thread_info()->cpu) #else /* CONFIG_SMP */ diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 5fa1e273006e..82f364e209fc 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -31,8 +31,6 @@ #include <asm/mmzone.h> #include <asm/sections.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - extern int data_start; #ifdef CONFIG_DISCONTIGMEM @@ -686,7 +684,7 @@ void show_mem(unsigned int filter) int shared = 0, cached = 0; printk(KERN_INFO "Mem-info:\n"); - show_free_areas(); + show_free_areas(filter); #ifndef CONFIG_DISCONTIGMEM i = max_mapnr; while (i-- > 0) { diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index a3128ca0fe11..423145a6f7ba 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -140,6 +140,7 @@ config PPC select IRQ_PER_CPU select GENERIC_IRQ_SHOW select GENERIC_IRQ_SHOW_LEVEL + select HAVE_RCU_TABLE_FREE if SMP config EARLY_PRINTK bool diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index a597dd77b903..e72dcf6a421d 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -35,27 +35,6 @@ config DEBUG_STACKOVERFLOW This option will cause messages to be printed if free stack space drops below a certain limit. -config DEBUG_STACK_USAGE - bool "Stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T and sysrq-P debug output. - - This option will slow down process creation somewhat. - -config DEBUG_PER_CPU_MAPS - bool "Debug access to per_cpu maps" - depends on DEBUG_KERNEL - depends on SMP - default n - ---help--- - Say Y to verify that the per_cpu map being accessed has - been setup. Adds a fair amount of code to kernel memory - and decreases performance. - - Say N if unsure. - config HCALL_STATS bool "Hypervisor call instrumentation" depends on PPC_PSERIES && DEBUG_FS && TRACEPOINTS diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts index 761faa7b6964..ac1eb320c7b4 100644 --- a/arch/powerpc/boot/dts/mpc8313erdb.dts +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts @@ -176,6 +176,19 @@ sleep = <&pmc 0x00300000>; }; + ptp_clock@24E00 { + compatible = "fsl,etsec-ptp"; + reg = <0x24E00 0xB0>; + interrupts = <12 0x8 13 0x8>; + interrupt-parent = < &ipic >; + fsl,tclk-period = <10>; + fsl,tmr-prsc = <100>; + fsl,tmr-add = <0x999999A4>; + fsl,tmr-fiper1 = <0x3B9AC9F6>; + fsl,tmr-fiper2 = <0x00018696>; + fsl,max-adj = <659999998>; + }; + enet0: ethernet@24000 { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/powerpc/boot/dts/mpc8572ds.dts b/arch/powerpc/boot/dts/mpc8572ds.dts index cafc1285c140..f6c04d25e916 100644 --- a/arch/powerpc/boot/dts/mpc8572ds.dts +++ b/arch/powerpc/boot/dts/mpc8572ds.dts @@ -324,6 +324,19 @@ }; }; + ptp_clock@24E00 { + compatible = "fsl,etsec-ptp"; + reg = <0x24E00 0xB0>; + interrupts = <68 2 69 2 70 2 71 2>; + interrupt-parent = < &mpic >; + fsl,tclk-period = <5>; + fsl,tmr-prsc = <200>; + fsl,tmr-add = <0xAAAAAAAB>; + fsl,tmr-fiper1 = <0x3B9AC9FB>; + fsl,tmr-fiper2 = <0x3B9AC9FB>; + fsl,max-adj = <499999999>; + }; + enet0: ethernet@24000 { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/powerpc/boot/dts/p2020ds.dts b/arch/powerpc/boot/dts/p2020ds.dts index 2bcf3683d223..dae403100f2f 100644 --- a/arch/powerpc/boot/dts/p2020ds.dts +++ b/arch/powerpc/boot/dts/p2020ds.dts @@ -178,6 +178,19 @@ }; + ptp_clock@24E00 { + compatible = "fsl,etsec-ptp"; + reg = <0x24E00 0xB0>; + interrupts = <68 2 69 2 70 2>; + interrupt-parent = < &mpic >; + fsl,tclk-period = <5>; + fsl,tmr-prsc = <200>; + fsl,tmr-add = <0xCCCCCCCD>; + fsl,tmr-fiper1 = <0x3B9AC9FB>; + fsl,tmr-fiper2 = <0x0001869B>; + fsl,max-adj = <249999999>; + }; + enet0: ethernet@24000 { tbi-handle = <&tbi0>; phy-handle = <&phy0>; diff --git a/arch/powerpc/boot/dts/p2020rdb.dts b/arch/powerpc/boot/dts/p2020rdb.dts index 3782a58f13be..1d7a05f3021e 100644 --- a/arch/powerpc/boot/dts/p2020rdb.dts +++ b/arch/powerpc/boot/dts/p2020rdb.dts @@ -224,6 +224,19 @@ status = "disabled"; }; + ptp_clock@24E00 { + compatible = "fsl,etsec-ptp"; + reg = <0x24E00 0xB0>; + interrupts = <68 2 69 2 70 2>; + interrupt-parent = < &mpic >; + fsl,tclk-period = <5>; + fsl,tmr-prsc = <200>; + fsl,tmr-add = <0xCCCCCCCD>; + fsl,tmr-fiper1 = <0x3B9AC9FB>; + fsl,tmr-fiper2 = <0x0001869B>; + fsl,max-adj = <249999999>; + }; + enet0: ethernet@24000 { fixed-link = <1 1 1000 0 0>; phy-connection-type = "rgmii-id"; diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h index abe8532bd14e..bf301ac62f35 100644 --- a/arch/powerpc/include/asm/pgalloc.h +++ b/arch/powerpc/include/asm/pgalloc.h @@ -31,14 +31,29 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) #endif #ifdef CONFIG_SMP -extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift); -extern void pte_free_finish(void); +struct mmu_gather; +extern void tlb_remove_table(struct mmu_gather *, void *); + +static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) +{ + unsigned long pgf = (unsigned long)table; + BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); + pgf |= shift; + tlb_remove_table(tlb, (void *)pgf); +} + +static inline void __tlb_remove_table(void *_table) +{ + void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE); + unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE; + + pgtable_free(table, shift); +} #else /* CONFIG_SMP */ static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift) { pgtable_free(table, shift); } -static inline void pte_free_finish(void) { } #endif /* !CONFIG_SMP */ static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage, diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index d8529ef13b23..37c353e8af7c 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -139,10 +139,12 @@ static inline struct thread_info *current_thread_info(void) #define TLF_NAPPING 0 /* idle thread enabled NAP mode */ #define TLF_SLEEPING 1 /* suspend code enabled SLEEP mode */ #define TLF_RESTORE_SIGMASK 2 /* Restore signal mask in do_signal */ +#define TLF_LAZY_MMU 3 /* tlb_batch is active */ #define _TLF_NAPPING (1 << TLF_NAPPING) #define _TLF_SLEEPING (1 << TLF_SLEEPING) #define _TLF_RESTORE_SIGMASK (1 << TLF_RESTORE_SIGMASK) +#define _TLF_LAZY_MMU (1 << TLF_LAZY_MMU) #ifndef __ASSEMBLY__ #define HAVE_SET_RESTORE_SIGMASK 1 diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 095043d79946..91e52df3d81d 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -395,6 +395,9 @@ struct task_struct *__switch_to(struct task_struct *prev, struct thread_struct *new_thread, *old_thread; unsigned long flags; struct task_struct *last; +#ifdef CONFIG_PPC_BOOK3S_64 + struct ppc64_tlb_batch *batch; +#endif #ifdef CONFIG_SMP /* avoid complexity of lazy save/restore of fpu @@ -513,7 +516,17 @@ struct task_struct *__switch_to(struct task_struct *prev, old_thread->accum_tb += (current_tb - start_tb); new_thread->start_tb = current_tb; } -#endif +#endif /* CONFIG_PPC64 */ + +#ifdef CONFIG_PPC_BOOK3S_64 + batch = &__get_cpu_var(ppc64_tlb_batch); + if (batch->active) { + current_thread_info()->local_flags |= _TLF_LAZY_MMU; + if (batch->index) + __flush_tlb_pending(batch); + batch->active = 0; + } +#endif /* CONFIG_PPC_BOOK3S_64 */ local_irq_save(flags); @@ -528,6 +541,14 @@ struct task_struct *__switch_to(struct task_struct *prev, hard_irq_disable(); last = _switch(old_thread, new_thread); +#ifdef CONFIG_PPC_BOOK3S_64 + if (current_thread_info()->local_flags & _TLF_LAZY_MMU) { + current_thread_info()->local_flags &= ~_TLF_LAZY_MMU; + batch = &__get_cpu_var(ppc64_tlb_batch); + batch->active = 1; + } +#endif /* CONFIG_PPC_BOOK3S_64 */ + local_irq_restore(flags); return last; diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c index 6a3997f98dfb..af40c8768a78 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -33,110 +33,6 @@ #include "mmu_decl.h" -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - -#ifdef CONFIG_SMP - -/* - * Handle batching of page table freeing on SMP. Page tables are - * queued up and send to be freed later by RCU in order to avoid - * freeing a page table page that is being walked without locks - */ - -static DEFINE_PER_CPU(struct pte_freelist_batch *, pte_freelist_cur); -static unsigned long pte_freelist_forced_free; - -struct pte_freelist_batch -{ - struct rcu_head rcu; - unsigned int index; - unsigned long tables[0]; -}; - -#define PTE_FREELIST_SIZE \ - ((PAGE_SIZE - sizeof(struct pte_freelist_batch)) \ - / sizeof(unsigned long)) - -static void pte_free_smp_sync(void *arg) -{ - /* Do nothing, just ensure we sync with all CPUs */ -} - -/* This is only called when we are critically out of memory - * (and fail to get a page in pte_free_tlb). - */ -static void pgtable_free_now(void *table, unsigned shift) -{ - pte_freelist_forced_free++; - - smp_call_function(pte_free_smp_sync, NULL, 1); - - pgtable_free(table, shift); -} - -static void pte_free_rcu_callback(struct rcu_head *head) -{ - struct pte_freelist_batch *batch = - container_of(head, struct pte_freelist_batch, rcu); - unsigned int i; - - for (i = 0; i < batch->index; i++) { - void *table = (void *)(batch->tables[i] & ~MAX_PGTABLE_INDEX_SIZE); - unsigned shift = batch->tables[i] & MAX_PGTABLE_INDEX_SIZE; - - pgtable_free(table, shift); - } - - free_page((unsigned long)batch); -} - -static void pte_free_submit(struct pte_freelist_batch *batch) -{ - call_rcu_sched(&batch->rcu, pte_free_rcu_callback); -} - -void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift) -{ - /* This is safe since tlb_gather_mmu has disabled preemption */ - struct pte_freelist_batch **batchp = &__get_cpu_var(pte_freelist_cur); - unsigned long pgf; - - if (atomic_read(&tlb->mm->mm_users) < 2 || - cpumask_equal(mm_cpumask(tlb->mm), cpumask_of(smp_processor_id()))){ - pgtable_free(table, shift); - return; - } - - if (*batchp == NULL) { - *batchp = (struct pte_freelist_batch *)__get_free_page(GFP_ATOMIC); - if (*batchp == NULL) { - pgtable_free_now(table, shift); - return; - } - (*batchp)->index = 0; - } - BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); - pgf = (unsigned long)table | shift; - (*batchp)->tables[(*batchp)->index++] = pgf; - if ((*batchp)->index == PTE_FREELIST_SIZE) { - pte_free_submit(*batchp); - *batchp = NULL; - } -} - -void pte_free_finish(void) -{ - /* This is safe since tlb_gather_mmu has disabled preemption */ - struct pte_freelist_batch **batchp = &__get_cpu_var(pte_freelist_cur); - - if (*batchp == NULL) - return; - pte_free_submit(*batchp); - *batchp = NULL; -} - -#endif /* CONFIG_SMP */ - static inline int is_exec_fault(void) { return current->thread.regs && TRAP(current->thread.regs) == 0x400; diff --git a/arch/powerpc/mm/tlb_hash32.c b/arch/powerpc/mm/tlb_hash32.c index 690566b66e8e..27b863c14941 100644 --- a/arch/powerpc/mm/tlb_hash32.c +++ b/arch/powerpc/mm/tlb_hash32.c @@ -71,9 +71,6 @@ void tlb_flush(struct mmu_gather *tlb) */ _tlbia(); } - - /* Push out batch of freed page tables */ - pte_free_finish(); } /* diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index c14d09f614f3..31f18207970b 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -155,7 +155,7 @@ void __flush_tlb_pending(struct ppc64_tlb_batch *batch) void tlb_flush(struct mmu_gather *tlb) { - struct ppc64_tlb_batch *tlbbatch = &__get_cpu_var(ppc64_tlb_batch); + struct ppc64_tlb_batch *tlbbatch = &get_cpu_var(ppc64_tlb_batch); /* If there's a TLB batch pending, then we must flush it because the * pages are going to be freed and we really don't want to have a CPU @@ -164,8 +164,7 @@ void tlb_flush(struct mmu_gather *tlb) if (tlbbatch->index) __flush_tlb_pending(tlbbatch); - /* Push out batch of freed page tables */ - pte_free_finish(); + put_cpu_var(ppc64_tlb_batch); } /** diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c index 2a030d89bbc6..0bdad3aecc67 100644 --- a/arch/powerpc/mm/tlb_nohash.c +++ b/arch/powerpc/mm/tlb_nohash.c @@ -299,9 +299,6 @@ EXPORT_SYMBOL(flush_tlb_range); void tlb_flush(struct mmu_gather *tlb) { flush_tlb_mm(tlb->mm); - - /* Push out batch of freed page tables */ - pte_free_finish(); } /* diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index 9074a54c4d10..77eee5477a52 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -29,65 +29,77 @@ #include <asm/smp.h> #include <asm/tlbflush.h> -#ifndef CONFIG_SMP -#define TLB_NR_PTRS 1 -#else -#define TLB_NR_PTRS 508 -#endif - struct mmu_gather { struct mm_struct *mm; unsigned int fullmm; unsigned int nr_ptes; unsigned int nr_pxds; - void *array[TLB_NR_PTRS]; + unsigned int max; + void **array; + void *local[8]; }; -DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); - -static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, - unsigned int full_mm_flush) +static inline void __tlb_alloc_page(struct mmu_gather *tlb) { - struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); + unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0); + if (addr) { + tlb->array = (void *) addr; + tlb->max = PAGE_SIZE / sizeof(void *); + } +} + +static inline void tlb_gather_mmu(struct mmu_gather *tlb, + struct mm_struct *mm, + unsigned int full_mm_flush) +{ tlb->mm = mm; + tlb->max = ARRAY_SIZE(tlb->local); + tlb->array = tlb->local; tlb->fullmm = full_mm_flush; - tlb->nr_ptes = 0; - tlb->nr_pxds = TLB_NR_PTRS; if (tlb->fullmm) __tlb_flush_mm(mm); - return tlb; + else + __tlb_alloc_page(tlb); + tlb->nr_ptes = 0; + tlb->nr_pxds = tlb->max; } -static inline void tlb_flush_mmu(struct mmu_gather *tlb, - unsigned long start, unsigned long end) +static inline void tlb_flush_mmu(struct mmu_gather *tlb) { - if (!tlb->fullmm && (tlb->nr_ptes > 0 || tlb->nr_pxds < TLB_NR_PTRS)) + if (!tlb->fullmm && (tlb->nr_ptes > 0 || tlb->nr_pxds < tlb->max)) __tlb_flush_mm(tlb->mm); while (tlb->nr_ptes > 0) page_table_free_rcu(tlb->mm, tlb->array[--tlb->nr_ptes]); - while (tlb->nr_pxds < TLB_NR_PTRS) + while (tlb->nr_pxds < tlb->max) crst_table_free_rcu(tlb->mm, tlb->array[tlb->nr_pxds++]); } static inline void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) { - tlb_flush_mmu(tlb, start, end); + tlb_flush_mmu(tlb); rcu_table_freelist_finish(); /* keep the page table cache within bounds */ check_pgt_cache(); - put_cpu_var(mmu_gathers); + if (tlb->array != tlb->local) + free_pages((unsigned long) tlb->array, 0); } /* * Release the page cache reference for a pte removed by - * tlb_ptep_clear_flush. In both flush modes the tlb fo a page cache page + * tlb_ptep_clear_flush. In both flush modes the tlb for a page cache page * has already been freed, so just do free_page_and_swap_cache. */ +static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + free_page_and_swap_cache(page); + return 1; /* avoid calling tlb_flush_mmu */ +} + static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) { free_page_and_swap_cache(page); @@ -103,7 +115,7 @@ static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, if (!tlb->fullmm) { tlb->array[tlb->nr_ptes++] = pte; if (tlb->nr_ptes >= tlb->nr_pxds) - tlb_flush_mmu(tlb, 0, 0); + tlb_flush_mmu(tlb); } else page_table_free(tlb->mm, (unsigned long *) pte); } @@ -124,7 +136,7 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, if (!tlb->fullmm) { tlb->array[--tlb->nr_pxds] = pmd; if (tlb->nr_ptes >= tlb->nr_pxds) - tlb_flush_mmu(tlb, 0, 0); + tlb_flush_mmu(tlb); } else crst_table_free(tlb->mm, (unsigned long *) pmd); #endif @@ -146,7 +158,7 @@ static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, if (!tlb->fullmm) { tlb->array[--tlb->nr_pxds] = pud; if (tlb->nr_ptes >= tlb->nr_pxds) - tlb_flush_mmu(tlb, 0, 0); + tlb_flush_mmu(tlb); } else crst_table_free(tlb->mm, (unsigned long *) pud); #endif diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 8d4330642512..14c6fae6fe6b 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -36,7 +36,6 @@ struct rcu_table_freelist { ((PAGE_SIZE - sizeof(struct rcu_table_freelist)) \ / sizeof(unsigned long)) -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); static DEFINE_PER_CPU(struct rcu_table_freelist *, rcu_table_freelist); static void __page_table_free(struct mm_struct *mm, unsigned long *table); diff --git a/arch/score/Kconfig.debug b/arch/score/Kconfig.debug index 451ed54ce646..a1f346df0a71 100644 --- a/arch/score/Kconfig.debug +++ b/arch/score/Kconfig.debug @@ -16,15 +16,6 @@ config CMDLINE other cases you can specify kernel args so that you don't have to set them up in board prom initialization routines. -config DEBUG_STACK_USAGE - bool "Enable stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T and sysrq-P debug output. - - This option will slow down process creation somewhat. - config RUNTIME_DEBUG bool "Enable run-time debugging" depends on DEBUG_KERNEL diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c index 50fdec54c70a..cee6bce1e30c 100644 --- a/arch/score/mm/init.c +++ b/arch/score/mm/init.c @@ -38,8 +38,6 @@ #include <asm/sections.h> #include <asm/tlb.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - unsigned long empty_zero_page; EXPORT_SYMBOL_GPL(empty_zero_page); diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 1553d56cf4e0..c1d5a820b1aa 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -28,15 +28,6 @@ config STACK_DEBUG every function call and will therefore incur a major performance hit. Most users should say N. -config DEBUG_STACK_USAGE - bool "Stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T and sysrq-P debug output. - - This option will slow down process creation somewhat. - config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" depends on DEBUG_KERNEL && (MMU || BROKEN) && !PAGE_SIZE_64KB diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h index 75abb38dffd5..6c308d8b9a50 100644 --- a/arch/sh/include/asm/tlb.h +++ b/arch/sh/include/asm/tlb.h @@ -23,8 +23,6 @@ struct mmu_gather { unsigned long start, end; }; -DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); - static inline void init_tlb_gather(struct mmu_gather *tlb) { tlb->start = TASK_SIZE; @@ -36,17 +34,13 @@ static inline void init_tlb_gather(struct mmu_gather *tlb) } } -static inline struct mmu_gather * -tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) +static inline void +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) { - struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); - tlb->mm = mm; tlb->fullmm = full_mm_flush; init_tlb_gather(tlb); - - return tlb; } static inline void @@ -57,8 +51,6 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) /* keep the page table cache within bounds */ check_pgt_cache(); - - put_cpu_var(mmu_gathers); } static inline void @@ -91,7 +83,21 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) } } -#define tlb_remove_page(tlb,page) free_page_and_swap_cache(page) +static inline void tlb_flush_mmu(struct mmu_gather *tlb) +{ +} + +static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + free_page_and_swap_cache(page); + return 1; /* avoid calling tlb_flush_mmu */ +} + +static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + __tlb_remove_page(tlb, page); +} + #define pte_free_tlb(tlb, ptep, addr) pte_free((tlb)->mm, ptep) #define pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, pmdp) #define pud_free_tlb(tlb, pudp, addr) pud_free((tlb)->mm, pudp) diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 0d3f912e3334..58a93fb3d965 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -28,7 +28,6 @@ #include <asm/cache.h> #include <asm/sizes.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); pgd_t swapper_pg_dir[PTRS_PER_PGD]; void __init generic_mem_init(void) diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug index d9a795efbc04..6db35fba79fd 100644 --- a/arch/sparc/Kconfig.debug +++ b/arch/sparc/Kconfig.debug @@ -6,15 +6,6 @@ config TRACE_IRQFLAGS_SUPPORT source "lib/Kconfig.debug" -config DEBUG_STACK_USAGE - bool "Enable stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T and sysrq-P debug output. - - This option will slow down process creation somewhat. - config DEBUG_DCFLUSH bool "D-cache flush debugging" depends on SPARC64 && DEBUG_KERNEL diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h index 5bdfa2c6e400..4e5e0878144f 100644 --- a/arch/sparc/include/asm/pgalloc_64.h +++ b/arch/sparc/include/asm/pgalloc_64.h @@ -78,4 +78,7 @@ static inline void check_pgt_cache(void) quicklist_trim(0, NULL, 25, 16); } +#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte) +#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd) + #endif /* _SPARC64_PGALLOC_H */ diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index b77128c80524..1e03c5a6b4f7 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -655,9 +655,11 @@ static inline int pte_special(pte_t pte) #define pte_unmap(pte) do { } while (0) /* Actual page table PTE updates. */ -extern void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig); +extern void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, + pte_t *ptep, pte_t orig, int fullmm); -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte) +static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte, int fullmm) { pte_t orig = *ptep; @@ -670,12 +672,19 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *p * and SUN4V pte layout, so this inline test is fine. */ if (likely(mm != &init_mm) && (pte_val(orig) & _PAGE_VALID)) - tlb_batch_add(mm, addr, ptep, orig); + tlb_batch_add(mm, addr, ptep, orig, fullmm); } +#define set_pte_at(mm,addr,ptep,pte) \ + __set_pte_at((mm), (addr), (ptep), (pte), 0) + #define pte_clear(mm,addr,ptep) \ set_pte_at((mm), (addr), (ptep), __pte(0UL)) +#define __HAVE_ARCH_PTE_CLEAR_NOT_PRESENT_FULL +#define pte_clear_not_present_full(mm,addr,ptep,fullmm) \ + __set_pte_at((mm), (addr), (ptep), __pte(0UL), (fullmm)) + #ifdef DCACHE_ALIASING_POSSIBLE #define __HAVE_ARCH_MOVE_PTE #define move_pte(pte, prot, old_addr, new_addr) \ diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h index dca406b9b6fc..190e18913cc6 100644 --- a/arch/sparc/include/asm/tlb_64.h +++ b/arch/sparc/include/asm/tlb_64.h @@ -7,66 +7,11 @@ #include <asm/tlbflush.h> #include <asm/mmu_context.h> -#define TLB_BATCH_NR 192 - -/* - * For UP we don't need to worry about TLB flush - * and page free order so much.. - */ -#ifdef CONFIG_SMP - #define FREE_PTE_NR 506 - #define tlb_fast_mode(bp) ((bp)->pages_nr == ~0U) -#else - #define FREE_PTE_NR 1 - #define tlb_fast_mode(bp) 1 -#endif - -struct mmu_gather { - struct mm_struct *mm; - unsigned int pages_nr; - unsigned int need_flush; - unsigned int fullmm; - unsigned int tlb_nr; - unsigned long vaddrs[TLB_BATCH_NR]; - struct page *pages[FREE_PTE_NR]; -}; - -DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); - #ifdef CONFIG_SMP extern void smp_flush_tlb_pending(struct mm_struct *, unsigned long, unsigned long *); #endif -extern void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *); -extern void flush_tlb_pending(void); - -static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) -{ - struct mmu_gather *mp = &get_cpu_var(mmu_gathers); - - BUG_ON(mp->tlb_nr); - - mp->mm = mm; - mp->pages_nr = num_online_cpus() > 1 ? 0U : ~0U; - mp->fullmm = full_mm_flush; - - return mp; -} - - -static inline void tlb_flush_mmu(struct mmu_gather *mp) -{ - if (!mp->fullmm) - flush_tlb_pending(); - if (mp->need_flush) { - free_pages_and_swap_cache(mp->pages, mp->pages_nr); - mp->pages_nr = 0; - mp->need_flush = 0; - } - -} - #ifdef CONFIG_SMP extern void smp_flush_tlb_mm(struct mm_struct *mm); #define do_flush_tlb_mm(mm) smp_flush_tlb_mm(mm) @@ -74,38 +19,14 @@ extern void smp_flush_tlb_mm(struct mm_struct *mm); #define do_flush_tlb_mm(mm) __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT) #endif -static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, unsigned long end) -{ - tlb_flush_mmu(mp); - - if (mp->fullmm) - mp->fullmm = 0; - - /* keep the page table cache within bounds */ - check_pgt_cache(); - - put_cpu_var(mmu_gathers); -} - -static inline void tlb_remove_page(struct mmu_gather *mp, struct page *page) -{ - if (tlb_fast_mode(mp)) { - free_page_and_swap_cache(page); - return; - } - mp->need_flush = 1; - mp->pages[mp->pages_nr++] = page; - if (mp->pages_nr >= FREE_PTE_NR) - tlb_flush_mmu(mp); -} - -#define tlb_remove_tlb_entry(mp,ptep,addr) do { } while (0) -#define pte_free_tlb(mp, ptepage, addr) pte_free((mp)->mm, ptepage) -#define pmd_free_tlb(mp, pmdp, addr) pmd_free((mp)->mm, pmdp) -#define pud_free_tlb(tlb,pudp, addr) __pud_free_tlb(tlb,pudp,addr) +extern void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *); +extern void flush_tlb_pending(void); -#define tlb_migrate_finish(mm) do { } while (0) #define tlb_start_vma(tlb, vma) do { } while (0) #define tlb_end_vma(tlb, vma) do { } while (0) +#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) +#define tlb_flush(tlb) flush_tlb_pending() + +#include <asm-generic/tlb.h> #endif /* _SPARC64_TLB_H */ diff --git a/arch/sparc/include/asm/tlbflush_64.h b/arch/sparc/include/asm/tlbflush_64.h index fbb675dbe0c9..2ef463494153 100644 --- a/arch/sparc/include/asm/tlbflush_64.h +++ b/arch/sparc/include/asm/tlbflush_64.h @@ -5,9 +5,17 @@ #include <asm/mmu_context.h> /* TSB flush operations. */ -struct mmu_gather; + +#define TLB_BATCH_NR 192 + +struct tlb_batch { + struct mm_struct *mm; + unsigned long tlb_nr; + unsigned long vaddrs[TLB_BATCH_NR]; +}; + extern void flush_tsb_kernel_range(unsigned long start, unsigned long end); -extern void flush_tsb_user(struct mmu_gather *mp); +extern void flush_tsb_user(struct tlb_batch *tb); /* TLB flush operations. */ diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index 3609bdee9ed2..3249d3f3234d 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -82,7 +82,7 @@ static void prom_sync_me(void) "nop\n\t" : : "r" (&trapbase)); prom_printf("PROM SYNC COMMAND...\n"); - show_free_areas(); + show_free_areas(0); if(current->pid != 0) { local_irq_enable(); sys_sync(); diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index 4c31e2b6e71b..ca217327e8d2 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -37,8 +37,6 @@ #include <asm/prom.h> #include <asm/leon.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - unsigned long *sparc_valid_addr_bitmap; EXPORT_SYMBOL(sparc_valid_addr_bitmap); @@ -78,7 +76,7 @@ void __init kmap_init(void) void show_mem(unsigned int filter) { printk("Mem-info:\n"); - show_free_areas(); + show_free_areas(filter); printk("Free swap: %6ldkB\n", nr_swap_pages << (PAGE_SHIFT-10)); printk("%ld pages of RAM\n", totalram_pages); diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index d8f21e24a82f..b1f279cd00bf 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -19,33 +19,34 @@ /* Heavily inspired by the ppc64 code. */ -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); +static DEFINE_PER_CPU(struct tlb_batch, tlb_batch); void flush_tlb_pending(void) { - struct mmu_gather *mp = &get_cpu_var(mmu_gathers); + struct tlb_batch *tb = &get_cpu_var(tlb_batch); - if (mp->tlb_nr) { - flush_tsb_user(mp); + if (tb->tlb_nr) { + flush_tsb_user(tb); - if (CTX_VALID(mp->mm->context)) { + if (CTX_VALID(tb->mm->context)) { #ifdef CONFIG_SMP - smp_flush_tlb_pending(mp->mm, mp->tlb_nr, - &mp->vaddrs[0]); + smp_flush_tlb_pending(tb->mm, tb->tlb_nr, + &tb->vaddrs[0]); #else - __flush_tlb_pending(CTX_HWBITS(mp->mm->context), - mp->tlb_nr, &mp->vaddrs[0]); + __flush_tlb_pending(CTX_HWBITS(tb->mm->context), + tb->tlb_nr, &tb->vaddrs[0]); #endif } - mp->tlb_nr = 0; + tb->tlb_nr = 0; } - put_cpu_var(mmu_gathers); + put_cpu_var(tlb_batch); } -void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig) +void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, + pte_t *ptep, pte_t orig, int fullmm) { - struct mmu_gather *mp = &__get_cpu_var(mmu_gathers); + struct tlb_batch *tb = &get_cpu_var(tlb_batch); unsigned long nr; vaddr &= PAGE_MASK; @@ -77,21 +78,25 @@ void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t no_cache_flush: - if (mp->fullmm) + if (fullmm) { + put_cpu_var(tlb_batch); return; + } - nr = mp->tlb_nr; + nr = tb->tlb_nr; - if (unlikely(nr != 0 && mm != mp->mm)) { + if (unlikely(nr != 0 && mm != tb->mm)) { flush_tlb_pending(); nr = 0; } if (nr == 0) - mp->mm = mm; + tb->mm = mm; - mp->vaddrs[nr] = vaddr; - mp->tlb_nr = ++nr; + tb->vaddrs[nr] = vaddr; + tb->tlb_nr = ++nr; if (nr >= TLB_BATCH_NR) flush_tlb_pending(); + + put_cpu_var(tlb_batch); } diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index 101d7c82870b..948461513499 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -47,12 +47,13 @@ void flush_tsb_kernel_range(unsigned long start, unsigned long end) } } -static void __flush_tsb_one(struct mmu_gather *mp, unsigned long hash_shift, unsigned long tsb, unsigned long nentries) +static void __flush_tsb_one(struct tlb_batch *tb, unsigned long hash_shift, + unsigned long tsb, unsigned long nentries) { unsigned long i; - for (i = 0; i < mp->tlb_nr; i++) { - unsigned long v = mp->vaddrs[i]; + for (i = 0; i < tb->tlb_nr; i++) { + unsigned long v = tb->vaddrs[i]; unsigned long tag, ent, hash; v &= ~0x1UL; @@ -65,9 +66,9 @@ static void __flush_tsb_one(struct mmu_gather *mp, unsigned long hash_shift, uns } } -void flush_tsb_user(struct mmu_gather *mp) +void flush_tsb_user(struct tlb_batch *tb) { - struct mm_struct *mm = mp->mm; + struct mm_struct *mm = tb->mm; unsigned long nentries, base, flags; spin_lock_irqsave(&mm->context.lock, flags); @@ -76,7 +77,7 @@ void flush_tsb_user(struct mmu_gather *mp) nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; if (tlb_type == cheetah_plus || tlb_type == hypervisor) base = __pa(base); - __flush_tsb_one(mp, PAGE_SHIFT, base, nentries); + __flush_tsb_one(tb, PAGE_SHIFT, base, nentries); #ifdef CONFIG_HUGETLB_PAGE if (mm->context.tsb_block[MM_TSB_HUGE].tsb) { @@ -84,7 +85,7 @@ void flush_tsb_user(struct mmu_gather *mp) nentries = mm->context.tsb_block[MM_TSB_HUGE].tsb_nentries; if (tlb_type == cheetah_plus || tlb_type == hypervisor) base = __pa(base); - __flush_tsb_one(mp, HPAGE_SHIFT, base, nentries); + __flush_tsb_one(tb, HPAGE_SHIFT, base, nentries); } #endif spin_unlock_irqrestore(&mm->context.lock, flags); diff --git a/arch/tile/Kconfig.debug b/arch/tile/Kconfig.debug index 9bc161a02c71..ddbfc3322d7f 100644 --- a/arch/tile/Kconfig.debug +++ b/arch/tile/Kconfig.debug @@ -21,15 +21,6 @@ config DEBUG_STACKOVERFLOW This option will cause messages to be printed if free stack space drops below a certain limit. -config DEBUG_STACK_USAGE - bool "Stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T and sysrq-P debug output. - - This option will slow down process creation somewhat. - config DEBUG_EXTRA_FLAGS string "Additional compiler arguments when building with '-g'" depends on DEBUG_INFO diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c index d6e87fda2fb2..4e10c4023028 100644 --- a/arch/tile/mm/init.c +++ b/arch/tile/mm/init.c @@ -60,8 +60,6 @@ unsigned long VMALLOC_RESERVE = CONFIG_VMALLOC_RESERVE; EXPORT_SYMBOL(VMALLOC_RESERVE); #endif -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - /* Create an L2 page table */ static pte_t * __init alloc_pte(void) { diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug index 8fce5e536b0f..68205fd3b08c 100644 --- a/arch/um/Kconfig.debug +++ b/arch/um/Kconfig.debug @@ -28,13 +28,13 @@ config GCOV If you're involved in UML kernel development and want to use gcov, say Y. If you're unsure, say N. -config DEBUG_STACK_USAGE - bool "Stack utilization instrumentation" - default N - help - Track the maximum kernel stack usage - this will look at each - kernel stack at process exit and log it if it's the deepest - stack seen so far. +config EARLY_PRINTK + bool "Early printk" + default y + ---help--- + Write kernel log output directly to stdout. + + This is useful for kernel debugging when your machine crashes very + early before the console code is initialized. - This option will slow down process creation and destruction somewhat. endmenu diff --git a/arch/um/drivers/Makefile b/arch/um/drivers/Makefile index 1d9b6ae967b0..e7582e1d248c 100644 --- a/arch/um/drivers/Makefile +++ b/arch/um/drivers/Makefile @@ -9,7 +9,7 @@ slip-objs := slip_kern.o slip_user.o slirp-objs := slirp_kern.o slirp_user.o daemon-objs := daemon_kern.o daemon_user.o -mcast-objs := mcast_kern.o mcast_user.o +umcast-objs := umcast_kern.o umcast_user.o net-objs := net_kern.o net_user.o mconsole-objs := mconsole_kern.o mconsole_user.o hostaudio-objs := hostaudio_kern.o @@ -44,7 +44,7 @@ obj-$(CONFIG_UML_NET_SLIP) += slip.o slip_common.o obj-$(CONFIG_UML_NET_SLIRP) += slirp.o slip_common.o obj-$(CONFIG_UML_NET_DAEMON) += daemon.o obj-$(CONFIG_UML_NET_VDE) += vde.o -obj-$(CONFIG_UML_NET_MCAST) += mcast.o +obj-$(CONFIG_UML_NET_MCAST) += umcast.o obj-$(CONFIG_UML_NET_PCAP) += pcap.o obj-$(CONFIG_UML_NET) += net.o obj-$(CONFIG_MCONSOLE) += mconsole.o diff --git a/arch/um/drivers/mcast.h b/arch/um/drivers/mcast.h deleted file mode 100644 index 6fa282e896be..000000000000 --- a/arch/um/drivers/mcast.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#ifndef __DRIVERS_MCAST_H -#define __DRIVERS_MCAST_H - -#include "net_user.h" - -struct mcast_data { - char *addr; - unsigned short port; - void *mcast_addr; - int ttl; - void *dev; -}; - -extern const struct net_user_info mcast_user_info; - -extern int mcast_user_write(int fd, void *buf, int len, - struct mcast_data *pri); - -#endif diff --git a/arch/um/drivers/mcast_kern.c b/arch/um/drivers/mcast_kern.c deleted file mode 100644 index ffc6416d5ed7..000000000000 --- a/arch/um/drivers/mcast_kern.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * user-mode-linux networking multicast transport - * Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org> - * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * - * based on the existing uml-networking code, which is - * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and - * James Leu (jleu@mindspring.net). - * Copyright (C) 2001 by various other people who didn't put their name here. - * - * Licensed under the GPL. - */ - -#include "linux/init.h" -#include <linux/netdevice.h> -#include "mcast.h" -#include "net_kern.h" - -struct mcast_init { - char *addr; - int port; - int ttl; -}; - -static void mcast_init(struct net_device *dev, void *data) -{ - struct uml_net_private *pri; - struct mcast_data *dpri; - struct mcast_init *init = data; - - pri = netdev_priv(dev); - dpri = (struct mcast_data *) pri->user; - dpri->addr = init->addr; - dpri->port = init->port; - dpri->ttl = init->ttl; - dpri->dev = dev; - - printk("mcast backend multicast address: %s:%u, TTL:%u\n", - dpri->addr, dpri->port, dpri->ttl); -} - -static int mcast_read(int fd, struct sk_buff *skb, struct uml_net_private *lp) -{ - return net_recvfrom(fd, skb_mac_header(skb), - skb->dev->mtu + ETH_HEADER_OTHER); -} - -static int mcast_write(int fd, struct sk_buff *skb, struct uml_net_private *lp) -{ - return mcast_user_write(fd, skb->data, skb->len, - (struct mcast_data *) &lp->user); -} - -static const struct net_kern_info mcast_kern_info = { - .init = mcast_init, - .protocol = eth_protocol, - .read = mcast_read, - .write = mcast_write, -}; - -static int mcast_setup(char *str, char **mac_out, void *data) -{ - struct mcast_init *init = data; - char *port_str = NULL, *ttl_str = NULL, *remain; - char *last; - - *init = ((struct mcast_init) - { .addr = "239.192.168.1", - .port = 1102, - .ttl = 1 }); - - remain = split_if_spec(str, mac_out, &init->addr, &port_str, &ttl_str, - NULL); - if (remain != NULL) { - printk(KERN_ERR "mcast_setup - Extra garbage on " - "specification : '%s'\n", remain); - return 0; - } - - if (port_str != NULL) { - init->port = simple_strtoul(port_str, &last, 10); - if ((*last != '\0') || (last == port_str)) { - printk(KERN_ERR "mcast_setup - Bad port : '%s'\n", - port_str); - return 0; - } - } - - if (ttl_str != NULL) { - init->ttl = simple_strtoul(ttl_str, &last, 10); - if ((*last != '\0') || (last == ttl_str)) { - printk(KERN_ERR "mcast_setup - Bad ttl : '%s'\n", - ttl_str); - return 0; - } - } - - printk(KERN_INFO "Configured mcast device: %s:%u-%u\n", init->addr, - init->port, init->ttl); - - return 1; -} - -static struct transport mcast_transport = { - .list = LIST_HEAD_INIT(mcast_transport.list), - .name = "mcast", - .setup = mcast_setup, - .user = &mcast_user_info, - .kern = &mcast_kern_info, - .private_size = sizeof(struct mcast_data), - .setup_size = sizeof(struct mcast_init), -}; - -static int register_mcast(void) -{ - register_transport(&mcast_transport); - return 0; -} - -late_initcall(register_mcast); diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c deleted file mode 100644 index ee19e91568a2..000000000000 --- a/arch/um/drivers/mcast_user.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * user-mode-linux networking multicast transport - * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org> - * - * based on the existing uml-networking code, which is - * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and - * James Leu (jleu@mindspring.net). - * Copyright (C) 2001 by various other people who didn't put their name here. - * - * Licensed under the GPL. - * - */ - -#include <unistd.h> -#include <errno.h> -#include <netinet/in.h> -#include "kern_constants.h" -#include "mcast.h" -#include "net_user.h" -#include "um_malloc.h" -#include "user.h" - -static struct sockaddr_in *new_addr(char *addr, unsigned short port) -{ - struct sockaddr_in *sin; - - sin = uml_kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL); - if (sin == NULL) { - printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in " - "failed\n"); - return NULL; - } - sin->sin_family = AF_INET; - sin->sin_addr.s_addr = in_aton(addr); - sin->sin_port = htons(port); - return sin; -} - -static int mcast_user_init(void *data, void *dev) -{ - struct mcast_data *pri = data; - - pri->mcast_addr = new_addr(pri->addr, pri->port); - pri->dev = dev; - return 0; -} - -static void mcast_remove(void *data) -{ - struct mcast_data *pri = data; - - kfree(pri->mcast_addr); - pri->mcast_addr = NULL; -} - -static int mcast_open(void *data) -{ - struct mcast_data *pri = data; - struct sockaddr_in *sin = pri->mcast_addr; - struct ip_mreq mreq; - int fd, yes = 1, err = -EINVAL; - - - if ((sin->sin_addr.s_addr == 0) || (sin->sin_port == 0)) - goto out; - - fd = socket(AF_INET, SOCK_DGRAM, 0); - - if (fd < 0) { - err = -errno; - printk(UM_KERN_ERR "mcast_open : data socket failed, " - "errno = %d\n", errno); - goto out; - } - - if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) { - err = -errno; - printk(UM_KERN_ERR "mcast_open: SO_REUSEADDR failed, " - "errno = %d\n", errno); - goto out_close; - } - - /* set ttl according to config */ - if (setsockopt(fd, SOL_IP, IP_MULTICAST_TTL, &pri->ttl, - sizeof(pri->ttl)) < 0) { - err = -errno; - printk(UM_KERN_ERR "mcast_open: IP_MULTICAST_TTL failed, " - "error = %d\n", errno); - goto out_close; - } - - /* set LOOP, so data does get fed back to local sockets */ - if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) { - err = -errno; - printk(UM_KERN_ERR "mcast_open: IP_MULTICAST_LOOP failed, " - "error = %d\n", errno); - goto out_close; - } - - /* bind socket to mcast address */ - if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) { - err = -errno; - printk(UM_KERN_ERR "mcast_open : data bind failed, " - "errno = %d\n", errno); - goto out_close; - } - - /* subscribe to the multicast group */ - mreq.imr_multiaddr.s_addr = sin->sin_addr.s_addr; - mreq.imr_interface.s_addr = 0; - if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, - &mreq, sizeof(mreq)) < 0) { - err = -errno; - printk(UM_KERN_ERR "mcast_open: IP_ADD_MEMBERSHIP failed, " - "error = %d\n", errno); - printk(UM_KERN_ERR "There appears not to be a multicast-" - "capable network interface on the host.\n"); - printk(UM_KERN_ERR "eth0 should be configured in order to use " - "the multicast transport.\n"); - goto out_close; - } - - return fd; - - out_close: - close(fd); - out: - return err; -} - -static void mcast_close(int fd, void *data) -{ - struct ip_mreq mreq; - struct mcast_data *pri = data; - struct sockaddr_in *sin = pri->mcast_addr; - - mreq.imr_multiaddr.s_addr = sin->sin_addr.s_addr; - mreq.imr_interface.s_addr = 0; - if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP, - &mreq, sizeof(mreq)) < 0) { - printk(UM_KERN_ERR "mcast_open: IP_DROP_MEMBERSHIP failed, " - "error = %d\n", errno); - } - - close(fd); -} - -int mcast_user_write(int fd, void *buf, int len, struct mcast_data *pri) -{ - struct sockaddr_in *data_addr = pri->mcast_addr; - - return net_sendto(fd, buf, len, data_addr, sizeof(*data_addr)); -} - -const struct net_user_info mcast_user_info = { - .init = mcast_user_init, - .open = mcast_open, - .close = mcast_close, - .remove = mcast_remove, - .add_address = NULL, - .delete_address = NULL, - .mtu = ETH_MAX_PACKET, - .max_packet = ETH_MAX_PACKET + ETH_HEADER_OTHER, -}; diff --git a/arch/um/drivers/umcast.h b/arch/um/drivers/umcast.h new file mode 100644 index 000000000000..6f8c0fe890fb --- /dev/null +++ b/arch/um/drivers/umcast.h @@ -0,0 +1,27 @@ +/* + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __DRIVERS_UMCAST_H +#define __DRIVERS_UMCAST_H + +#include "net_user.h" + +struct umcast_data { + char *addr; + unsigned short lport; + unsigned short rport; + void *listen_addr; + void *remote_addr; + int ttl; + int unicast; + void *dev; +}; + +extern const struct net_user_info umcast_user_info; + +extern int umcast_user_write(int fd, void *buf, int len, + struct umcast_data *pri); + +#endif diff --git a/arch/um/drivers/umcast_kern.c b/arch/um/drivers/umcast_kern.c new file mode 100644 index 000000000000..42dab11d2ecf --- /dev/null +++ b/arch/um/drivers/umcast_kern.c @@ -0,0 +1,188 @@ +/* + * user-mode-linux networking multicast transport + * Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org> + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * + * based on the existing uml-networking code, which is + * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and + * James Leu (jleu@mindspring.net). + * Copyright (C) 2001 by various other people who didn't put their name here. + * + * Licensed under the GPL. + */ + +#include "linux/init.h" +#include <linux/netdevice.h> +#include "umcast.h" +#include "net_kern.h" + +struct umcast_init { + char *addr; + int lport; + int rport; + int ttl; + bool unicast; +}; + +static void umcast_init(struct net_device *dev, void *data) +{ + struct uml_net_private *pri; + struct umcast_data *dpri; + struct umcast_init *init = data; + + pri = netdev_priv(dev); + dpri = (struct umcast_data *) pri->user; + dpri->addr = init->addr; + dpri->lport = init->lport; + dpri->rport = init->rport; + dpri->unicast = init->unicast; + dpri->ttl = init->ttl; + dpri->dev = dev; + + if (dpri->unicast) { + printk(KERN_INFO "ucast backend address: %s:%u listen port: " + "%u\n", dpri->addr, dpri->rport, dpri->lport); + } else { + printk(KERN_INFO "mcast backend multicast address: %s:%u, " + "TTL:%u\n", dpri->addr, dpri->lport, dpri->ttl); + } +} + +static int umcast_read(int fd, struct sk_buff *skb, struct uml_net_private *lp) +{ + return net_recvfrom(fd, skb_mac_header(skb), + skb->dev->mtu + ETH_HEADER_OTHER); +} + +static int umcast_write(int fd, struct sk_buff *skb, struct uml_net_private *lp) +{ + return umcast_user_write(fd, skb->data, skb->len, + (struct umcast_data *) &lp->user); +} + +static const struct net_kern_info umcast_kern_info = { + .init = umcast_init, + .protocol = eth_protocol, + .read = umcast_read, + .write = umcast_write, +}; + +static int mcast_setup(char *str, char **mac_out, void *data) +{ + struct umcast_init *init = data; + char *port_str = NULL, *ttl_str = NULL, *remain; + char *last; + + *init = ((struct umcast_init) + { .addr = "239.192.168.1", + .lport = 1102, + .ttl = 1 }); + + remain = split_if_spec(str, mac_out, &init->addr, &port_str, &ttl_str, + NULL); + if (remain != NULL) { + printk(KERN_ERR "mcast_setup - Extra garbage on " + "specification : '%s'\n", remain); + return 0; + } + + if (port_str != NULL) { + init->lport = simple_strtoul(port_str, &last, 10); + if ((*last != '\0') || (last == port_str)) { + printk(KERN_ERR "mcast_setup - Bad port : '%s'\n", + port_str); + return 0; + } + } + + if (ttl_str != NULL) { + init->ttl = simple_strtoul(ttl_str, &last, 10); + if ((*last != '\0') || (last == ttl_str)) { + printk(KERN_ERR "mcast_setup - Bad ttl : '%s'\n", + ttl_str); + return 0; + } + } + + init->unicast = false; + init->rport = init->lport; + + printk(KERN_INFO "Configured mcast device: %s:%u-%u\n", init->addr, + init->lport, init->ttl); + + return 1; +} + +static int ucast_setup(char *str, char **mac_out, void *data) +{ + struct umcast_init *init = data; + char *lport_str = NULL, *rport_str = NULL, *remain; + char *last; + + *init = ((struct umcast_init) + { .addr = "", + .lport = 1102, + .rport = 1102 }); + + remain = split_if_spec(str, mac_out, &init->addr, + &lport_str, &rport_str, NULL); + if (remain != NULL) { + printk(KERN_ERR "ucast_setup - Extra garbage on " + "specification : '%s'\n", remain); + return 0; + } + + if (lport_str != NULL) { + init->lport = simple_strtoul(lport_str, &last, 10); + if ((*last != '\0') || (last == lport_str)) { + printk(KERN_ERR "ucast_setup - Bad listen port : " + "'%s'\n", lport_str); + return 0; + } + } + + if (rport_str != NULL) { + init->rport = simple_strtoul(rport_str, &last, 10); + if ((*last != '\0') || (last == rport_str)) { + printk(KERN_ERR "ucast_setup - Bad remote port : " + "'%s'\n", rport_str); + return 0; + } + } + + init->unicast = true; + + printk(KERN_INFO "Configured ucast device: :%u -> %s:%u\n", + init->lport, init->addr, init->rport); + + return 1; +} + +static struct transport mcast_transport = { + .list = LIST_HEAD_INIT(mcast_transport.list), + .name = "mcast", + .setup = mcast_setup, + .user = &umcast_user_info, + .kern = &umcast_kern_info, + .private_size = sizeof(struct umcast_data), + .setup_size = sizeof(struct umcast_init), +}; + +static struct transport ucast_transport = { + .list = LIST_HEAD_INIT(ucast_transport.list), + .name = "ucast", + .setup = ucast_setup, + .user = &umcast_user_info, + .kern = &umcast_kern_info, + .private_size = sizeof(struct umcast_data), + .setup_size = sizeof(struct umcast_init), +}; + +static int register_umcast(void) +{ + register_transport(&mcast_transport); + register_transport(&ucast_transport); + return 0; +} + +late_initcall(register_umcast); diff --git a/arch/um/drivers/umcast_user.c b/arch/um/drivers/umcast_user.c new file mode 100644 index 000000000000..59c56fd6f52a --- /dev/null +++ b/arch/um/drivers/umcast_user.c @@ -0,0 +1,186 @@ +/* + * user-mode-linux networking multicast transport + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org> + * + * based on the existing uml-networking code, which is + * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and + * James Leu (jleu@mindspring.net). + * Copyright (C) 2001 by various other people who didn't put their name here. + * + * Licensed under the GPL. + * + */ + +#include <unistd.h> +#include <errno.h> +#include <netinet/in.h> +#include "kern_constants.h" +#include "umcast.h" +#include "net_user.h" +#include "um_malloc.h" +#include "user.h" + +static struct sockaddr_in *new_addr(char *addr, unsigned short port) +{ + struct sockaddr_in *sin; + + sin = uml_kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL); + if (sin == NULL) { + printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in " + "failed\n"); + return NULL; + } + sin->sin_family = AF_INET; + if (addr) + sin->sin_addr.s_addr = in_aton(addr); + else + sin->sin_addr.s_addr = INADDR_ANY; + sin->sin_port = htons(port); + return sin; +} + +static int umcast_user_init(void *data, void *dev) +{ + struct umcast_data *pri = data; + + pri->remote_addr = new_addr(pri->addr, pri->rport); + if (pri->unicast) + pri->listen_addr = new_addr(NULL, pri->lport); + else + pri->listen_addr = pri->remote_addr; + pri->dev = dev; + return 0; +} + +static void umcast_remove(void *data) +{ + struct umcast_data *pri = data; + + kfree(pri->listen_addr); + if (pri->unicast) + kfree(pri->remote_addr); + pri->listen_addr = pri->remote_addr = NULL; +} + +static int umcast_open(void *data) +{ + struct umcast_data *pri = data; + struct sockaddr_in *lsin = pri->listen_addr; + struct sockaddr_in *rsin = pri->remote_addr; + struct ip_mreq mreq; + int fd, yes = 1, err = -EINVAL; + + + if ((!pri->unicast && lsin->sin_addr.s_addr == 0) || + (rsin->sin_addr.s_addr == 0) || + (lsin->sin_port == 0) || (rsin->sin_port == 0)) + goto out; + + fd = socket(AF_INET, SOCK_DGRAM, 0); + + if (fd < 0) { + err = -errno; + printk(UM_KERN_ERR "umcast_open : data socket failed, " + "errno = %d\n", errno); + goto out; + } + + if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) { + err = -errno; + printk(UM_KERN_ERR "umcast_open: SO_REUSEADDR failed, " + "errno = %d\n", errno); + goto out_close; + } + + if (!pri->unicast) { + /* set ttl according to config */ + if (setsockopt(fd, SOL_IP, IP_MULTICAST_TTL, &pri->ttl, + sizeof(pri->ttl)) < 0) { + err = -errno; + printk(UM_KERN_ERR "umcast_open: IP_MULTICAST_TTL " + "failed, error = %d\n", errno); + goto out_close; + } + + /* set LOOP, so data does get fed back to local sockets */ + if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, + &yes, sizeof(yes)) < 0) { + err = -errno; + printk(UM_KERN_ERR "umcast_open: IP_MULTICAST_LOOP " + "failed, error = %d\n", errno); + goto out_close; + } + } + + /* bind socket to the address */ + if (bind(fd, (struct sockaddr *) lsin, sizeof(*lsin)) < 0) { + err = -errno; + printk(UM_KERN_ERR "umcast_open : data bind failed, " + "errno = %d\n", errno); + goto out_close; + } + + if (!pri->unicast) { + /* subscribe to the multicast group */ + mreq.imr_multiaddr.s_addr = lsin->sin_addr.s_addr; + mreq.imr_interface.s_addr = 0; + if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, + &mreq, sizeof(mreq)) < 0) { + err = -errno; + printk(UM_KERN_ERR "umcast_open: IP_ADD_MEMBERSHIP " + "failed, error = %d\n", errno); + printk(UM_KERN_ERR "There appears not to be a " + "multicast-capable network interface on the " + "host.\n"); + printk(UM_KERN_ERR "eth0 should be configured in order " + "to use the multicast transport.\n"); + goto out_close; + } + } + + return fd; + + out_close: + close(fd); + out: + return err; +} + +static void umcast_close(int fd, void *data) +{ + struct umcast_data *pri = data; + + if (!pri->unicast) { + struct ip_mreq mreq; + struct sockaddr_in *lsin = pri->listen_addr; + + mreq.imr_multiaddr.s_addr = lsin->sin_addr.s_addr; + mreq.imr_interface.s_addr = 0; + if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP, + &mreq, sizeof(mreq)) < 0) { + printk(UM_KERN_ERR "umcast_close: IP_DROP_MEMBERSHIP " + "failed, error = %d\n", errno); + } + } + + close(fd); +} + +int umcast_user_write(int fd, void *buf, int len, struct umcast_data *pri) +{ + struct sockaddr_in *data_addr = pri->remote_addr; + + return net_sendto(fd, buf, len, data_addr, sizeof(*data_addr)); +} + +const struct net_user_info umcast_user_info = { + .init = umcast_user_init, + .open = umcast_open, + .close = umcast_close, + .remove = umcast_remove, + .add_address = NULL, + .delete_address = NULL, + .mtu = ETH_MAX_PACKET, + .max_packet = ETH_MAX_PACKET + ETH_HEADER_OTHER, +}; diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c index da2caa5a21ef..8ac7146c237f 100644 --- a/arch/um/drivers/xterm.c +++ b/arch/um/drivers/xterm.c @@ -90,7 +90,7 @@ static int xterm_open(int input, int output, int primary, void *d, int pid, fd, new, err; char title[256], file[] = "/tmp/xterm-pipeXXXXXX"; char *argv[] = { terminal_emulator, title_switch, title, exec_switch, - "/usr/lib/uml/port-helper", "-uml-socket", + OS_LIB_PATH "/uml/port-helper", "-uml-socket", file, NULL }; if (access(argv[4], X_OK) < 0) diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h index d1d1b0d8a0cd..98d01bc4fa92 100644 --- a/arch/um/include/asm/processor-generic.h +++ b/arch/um/include/asm/processor-generic.h @@ -14,6 +14,8 @@ struct task_struct; #include "registers.h" #include "sysdep/archsetjmp.h" +#include <linux/prefetch.h> + struct mm_struct; struct thread_struct { diff --git a/arch/um/include/asm/smp.h b/arch/um/include/asm/smp.h index f27a96313174..4a4b09d4f366 100644 --- a/arch/um/include/asm/smp.h +++ b/arch/um/include/asm/smp.h @@ -11,7 +11,6 @@ #define cpu_logical_map(n) (n) #define cpu_number_map(n) (n) -#define PROC_CHANGE_PENALTY 15 /* Pick a number, any number */ extern int hard_smp_processor_id(void); #define NO_PROC_ID -1 diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h index 660caedac9eb..4febacd1a8a1 100644 --- a/arch/um/include/asm/tlb.h +++ b/arch/um/include/asm/tlb.h @@ -22,9 +22,6 @@ struct mmu_gather { unsigned int fullmm; /* non-zero means full mm flush */ }; -/* Users of the generic TLB shootdown code must declare this storage space. */ -DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); - static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, unsigned long address) { @@ -47,27 +44,20 @@ static inline void init_tlb_gather(struct mmu_gather *tlb) } } -/* tlb_gather_mmu - * Return a pointer to an initialized struct mmu_gather. - */ -static inline struct mmu_gather * -tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) +static inline void +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) { - struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); - tlb->mm = mm; tlb->fullmm = full_mm_flush; init_tlb_gather(tlb); - - return tlb; } extern void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start, unsigned long end); static inline void -tlb_flush_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) +tlb_flush_mmu(struct mmu_gather *tlb) { if (!tlb->need_flush) return; @@ -83,12 +73,10 @@ tlb_flush_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) static inline void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) { - tlb_flush_mmu(tlb, start, end); + tlb_flush_mmu(tlb); /* keep the page table cache within bounds */ check_pgt_cache(); - - put_cpu_var(mmu_gathers); } /* tlb_remove_page @@ -96,11 +84,16 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) * while handling the additional races in SMP caused by other CPUs * caching valid mappings in their TLBs. */ -static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) +static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) { tlb->need_flush = 1; free_page_and_swap_cache(page); - return; + return 1; /* avoid calling tlb_flush_mmu */ +} + +static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + __tlb_remove_page(tlb, page); } /** diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index c4617baaa4f2..83c7c2ecd614 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -29,6 +29,12 @@ #define OS_ACC_R_OK 4 /* Test for read permission. */ #define OS_ACC_RW_OK (OS_ACC_W_OK | OS_ACC_R_OK) /* Test for RW permission */ +#ifdef CONFIG_64BIT +#define OS_LIB_PATH "/usr/lib64/" +#else +#define OS_LIB_PATH "/usr/lib/" +#endif + /* * types taken from stat_file() in hostfs_user.c * (if they are wrong here, they are wrong there...). @@ -238,6 +244,7 @@ extern int raw(int fd); extern void setup_machinename(char *machine_out); extern void setup_hostinfo(char *buf, int len); extern void os_dump_core(void) __attribute__ ((noreturn)); +extern void um_early_printk(const char *s, unsigned int n); /* time.c */ extern void idle_sleep(unsigned long long nsecs); diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile index 1119233597a1..c4491c15afb2 100644 --- a/arch/um/kernel/Makefile +++ b/arch/um/kernel/Makefile @@ -17,6 +17,7 @@ obj-y = config.o exec.o exitcode.o init_task.o irq.o ksyms.o mem.o \ obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o obj-$(CONFIG_GPROF) += gprof_syms.o obj-$(CONFIG_GCOV) += gmon_syms.o +obj-$(CONFIG_EARLY_PRINTK) += early_printk.o USER_OBJS := config.o diff --git a/arch/um/kernel/early_printk.c b/arch/um/kernel/early_printk.c new file mode 100644 index 000000000000..ec649bf72f68 --- /dev/null +++ b/arch/um/kernel/early_printk.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2011 Richard Weinberger <richrd@nod.at> + * + * 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/kernel.h> +#include <linux/console.h> +#include <linux/init.h> +#include "os.h" + +static void early_console_write(struct console *con, const char *s, unsigned int n) +{ + um_early_printk(s, n); +} + +static struct console early_console = { + .name = "earlycon", + .write = early_console_write, + .flags = CON_BOOT, + .index = -1, +}; + +static int __init setup_early_printk(char *buf) +{ + register_console(&early_console); + + return 0; +} + +early_param("earlyprintk", setup_early_printk); diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c index eefb107d2d73..155206a66908 100644 --- a/arch/um/kernel/smp.c +++ b/arch/um/kernel/smp.c @@ -7,9 +7,6 @@ #include "asm/pgalloc.h" #include "asm/tlb.h" -/* For some reason, mmu_gathers are referenced when CONFIG_SMP is off. */ -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - #ifdef CONFIG_SMP #include "linux/sched.h" diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index 637c6505dc00..8c7b8823d1f0 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c @@ -113,6 +113,27 @@ out_of_memory: return 0; } +static void show_segv_info(struct uml_pt_regs *regs) +{ + struct task_struct *tsk = current; + struct faultinfo *fi = UPT_FAULTINFO(regs); + + if (!unhandled_signal(tsk, SIGSEGV)) + return; + + if (!printk_ratelimit()) + return; + + printk("%s%s[%d]: segfault at %lx ip %p sp %p error %x", + task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG, + tsk->comm, task_pid_nr(tsk), FAULT_ADDRESS(*fi), + (void *)UPT_IP(regs), (void *)UPT_SP(regs), + fi->error_code); + + print_vma_addr(KERN_CONT " in ", UPT_IP(regs)); + printk(KERN_CONT "\n"); +} + static void bad_segv(struct faultinfo fi, unsigned long ip) { struct siginfo si; @@ -141,6 +162,7 @@ void segv_handler(int sig, struct uml_pt_regs *regs) struct faultinfo * fi = UPT_FAULTINFO(regs); if (UPT_IS_USER(regs) && !SEGV_IS_FIXABLE(fi)) { + show_segv_info(regs); bad_segv(*fi, UPT_IP(regs)); return; } @@ -202,6 +224,8 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, address, ip); } + show_segv_info(regs); + if (err == -EACCES) { si.si_signo = SIGBUS; si.si_errno = 0; diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c index eee69b9f52c9..fb2a97a75fb1 100644 --- a/arch/um/os-Linux/main.c +++ b/arch/um/os-Linux/main.c @@ -78,7 +78,7 @@ static void install_fatal_handler(int sig) } } -#define UML_LIB_PATH ":/usr/lib/uml" +#define UML_LIB_PATH ":" OS_LIB_PATH "/uml" static void setup_env_path(void) { @@ -142,7 +142,6 @@ int __init main(int argc, char **argv, char **envp) */ install_fatal_handler(SIGINT); install_fatal_handler(SIGTERM); - install_fatal_handler(SIGHUP); scan_elf_aux(envp); diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index e0477c3ee894..0c45dc8efb05 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c @@ -253,6 +253,7 @@ void init_new_thread_signals(void) SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1); signal(SIGWINCH, SIG_IGN); + signal(SIGTERM, SIG_DFL); } int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr) diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c index 42827cafa6af..5803b1887672 100644 --- a/arch/um/os-Linux/util.c +++ b/arch/um/os-Linux/util.c @@ -139,3 +139,8 @@ void os_dump_core(void) uml_abort(); } + +void um_early_printk(const char *s, unsigned int n) +{ + printf("%.*s", n, s); +} diff --git a/arch/unicore32/Kconfig.debug b/arch/unicore32/Kconfig.debug index 3140151ede45..ae2ec334c3c6 100644 --- a/arch/unicore32/Kconfig.debug +++ b/arch/unicore32/Kconfig.debug @@ -27,13 +27,6 @@ config EARLY_PRINTK with klogd/syslogd or the X server. You should normally N here, unless you want to debug such a crash. -config DEBUG_STACK_USAGE - bool "Enable stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T output. - # These options are only for real kernel hackers who want to get their hands dirty. config DEBUG_LL bool "Kernel low-level debugging functions" diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c index 1fc02633f700..2d3e7112d2a3 100644 --- a/arch/unicore32/mm/init.c +++ b/arch/unicore32/mm/init.c @@ -62,7 +62,7 @@ void show_mem(unsigned int filter) struct meminfo *mi = &meminfo; printk(KERN_DEFAULT "Mem-info:\n"); - show_free_areas(); + show_free_areas(filter); for_each_bank(i, mi) { struct membank *bank = &mi->bank[i]; diff --git a/arch/unicore32/mm/mmu.c b/arch/unicore32/mm/mmu.c index db2d334941b4..3e5c3e5a0b45 100644 --- a/arch/unicore32/mm/mmu.c +++ b/arch/unicore32/mm/mmu.c @@ -30,8 +30,6 @@ #include "mm.h" -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - /* * empty_zero_page is a special page that is used for * zero-initialized data and COW. diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 880fcb6c86f4..fa2cc8c5d01c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -17,8 +17,6 @@ config X86_64 config X86 def_bool y select HAVE_AOUT if X86_32 - select HAVE_READQ - select HAVE_WRITEQ select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_IDE select HAVE_OPROFILE diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 615e18810f48..c0f8a5c88910 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -66,26 +66,6 @@ config DEBUG_STACKOVERFLOW This option will cause messages to be printed if free stack space drops below a certain limit. -config DEBUG_STACK_USAGE - bool "Stack utilization instrumentation" - depends on DEBUG_KERNEL - ---help--- - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T and sysrq-P debug output. - - This option will slow down process creation somewhat. - -config DEBUG_PER_CPU_MAPS - bool "Debug access to per_cpu maps" - depends on DEBUG_KERNEL - depends on SMP - ---help--- - Say Y to verify that the per_cpu map being accessed has - been setup. Adds a fair amount of code to kernel memory - and decreases performance. - - Say N if unsure. - config X86_PTDUMP bool "Export kernel pagetable layout to userspace via debugfs" depends on DEBUG_KERNEL diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 072273082528..d02804d650c4 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -38,7 +38,6 @@ #include <linux/string.h> #include <linux/compiler.h> -#include <asm-generic/int-ll64.h> #include <asm/page.h> #include <xen/xen.h> @@ -87,27 +86,6 @@ build_mmio_write(__writel, "l", unsigned int, "r", ) build_mmio_read(readq, "q", unsigned long, "=r", :"memory") build_mmio_write(writeq, "q", unsigned long, "r", :"memory") -#else - -static inline __u64 readq(const volatile void __iomem *addr) -{ - const volatile u32 __iomem *p = addr; - u32 low, high; - - low = readl(p); - high = readl(p + 1); - - return low + ((u64)high << 32); -} - -static inline void writeq(__u64 val, volatile void __iomem *addr) -{ - writel(val, addr); - writel(val >> 32, addr+4); -} - -#endif - #define readq_relaxed(a) readq(a) #define __raw_readq(a) readq(a) @@ -117,6 +95,8 @@ static inline void writeq(__u64 val, volatile void __iomem *addr) #define readq readq #define writeq writeq +#endif + /** * virt_to_phys - map virtual addresses to physical * @address: address to remap diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 605e5ae19c7f..a3e5948670c2 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -946,6 +946,8 @@ void __init setup_arch(char **cmdline_p) if (init_ohci1394_dma_early) init_ohci1394_dma_on_all_controllers(); #endif + /* Allocate bigger log buffer */ + setup_log_buf(1); reserve_initrd(); diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c index 998e972f3b1a..30ac65df7d4e 100644 --- a/arch/x86/kernel/tboot.c +++ b/arch/x86/kernel/tboot.c @@ -110,7 +110,6 @@ static struct mm_struct tboot_mm = { .mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem), .page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock), .mmlist = LIST_HEAD_INIT(init_mm.mmlist), - .cpu_vm_mask = CPU_MASK_ALL, }; static inline void switch_to_tboot_pt(void) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 28418054b880..bd14bb4c8594 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -3545,10 +3545,11 @@ static int kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm, return kvm_mmu_prepare_zap_page(kvm, page, invalid_list); } -static int mmu_shrink(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask) +static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc) { struct kvm *kvm; struct kvm *kvm_freed = NULL; + int nr_to_scan = sc->nr_to_scan; if (nr_to_scan == 0) goto out; diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index bcb394dfbb35..f7a2a054a3c0 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -965,7 +965,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code) struct mm_struct *mm; int fault; int write = error_code & PF_WRITE; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE | (write ? FAULT_FLAG_WRITE : 0); tsk = current; @@ -1139,6 +1139,16 @@ good_area: } /* + * Pagefault was interrupted by SIGKILL. We have no reason to + * continue pagefault. + */ + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) { + if (!(error_code & PF_USER)) + no_context(regs, error_code, address); + return; + } + + /* * Major/minor page fault accounting is only done on the * initial attempt. If we go through a retry, it is extremely * likely that the page will be found in page cache at that point. diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index d4203988504a..f581a18c0d4d 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -72,7 +72,7 @@ static void huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) if (!vma_shareable(vma, addr)) return; - spin_lock(&mapping->i_mmap_lock); + mutex_lock(&mapping->i_mmap_mutex); vma_prio_tree_foreach(svma, &iter, &mapping->i_mmap, idx, idx) { if (svma == vma) continue; @@ -97,7 +97,7 @@ static void huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) put_page(virt_to_page(spte)); spin_unlock(&mm->page_table_lock); out: - spin_unlock(&mapping->i_mmap_lock); + mutex_unlock(&mapping->i_mmap_mutex); } /* diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 37b8b0fe8320..30326443ab81 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -16,8 +16,6 @@ #include <asm/tlb.h> #include <asm/proto.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - unsigned long __initdata pgt_buf_start; unsigned long __meminitdata pgt_buf_end; unsigned long __meminitdata pgt_buf_top; diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index 161bb89e98c8..7a5591a71f85 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -171,10 +171,6 @@ extern void copy_user_page(void*, void*, unsigned long, struct page*); #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) -#ifdef CONFIG_MMU -#define WANT_PAGE_VIRTUAL -#endif - #endif /* __ASSEMBLY__ */ #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c index 4bb91a970f1f..ca81654f3ec2 100644 --- a/arch/xtensa/mm/mmu.c +++ b/arch/xtensa/mm/mmu.c @@ -14,8 +14,6 @@ #include <asm/mmu_context.h> #include <asm/page.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - void __init paging_init(void) { memset(swapper_pg_dir, 0, PAGE_SIZE); diff --git a/arch/xtensa/mm/pgtable.c b/arch/xtensa/mm/pgtable.c deleted file mode 100644 index 697992738205..000000000000 --- a/arch/xtensa/mm/pgtable.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * arch/xtensa/mm/pgtable.c - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2001 - 2005 Tensilica Inc. - * - * Chris Zankel <chris@zankel.net> - */ - -#if (DCACHE_SIZE > PAGE_SIZE) - -pte_t* pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) -{ - pte_t *pte = NULL, *p; - int color = ADDR_COLOR(address); - int i; - - p = (pte_t*) __get_free_pages(GFP_KERNEL|__GFP_REPEAT, COLOR_ORDER); - - if (likely(p)) { - split_page(virt_to_page(p), COLOR_ORDER); - - for (i = 0; i < COLOR_SIZE; i++) { - if (ADDR_COLOR(p) == color) - pte = p; - else - free_page(p); - p += PTRS_PER_PTE; - } - clear_page(pte); - } - return pte; -} - -#ifdef PROFILING - -int mask; -int hit; -int flush; - -#endif - -struct page* pte_alloc_one(struct mm_struct *mm, unsigned long address) -{ - struct page *page = NULL, *p; - int color = ADDR_COLOR(address); - - p = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER); - - if (likely(p)) { - split_page(p, COLOR_ORDER); - - for (i = 0; i < PAGE_ORDER; i++) { - if (PADDR_COLOR(page_address(p)) == color) - page = p; - else - __free_page(p); - p++; - } - clear_highpage(page); - } - - return page; -} - -#endif - - - |