diff options
318 files changed, 12430 insertions, 2054 deletions
diff --git a/Documentation/arm/memory.txt b/Documentation/arm/memory.txt index 9d58c7c5..eb0fae1 100644 --- a/Documentation/arm/memory.txt +++ b/Documentation/arm/memory.txt @@ -59,7 +59,11 @@ PAGE_OFFSET high_memory-1 Kernel direct-mapped RAM region. This maps the platforms RAM, and typically maps all platform RAM in a 1:1 relationship. -TASK_SIZE PAGE_OFFSET-1 Kernel module space +PKMAP_BASE PAGE_OFFSET-1 Permanent kernel mappings + One way of mapping HIGHMEM pages into kernel + space. + +MODULES_VADDR MODULES_END-1 Kernel module space Kernel modules inserted via insmod are placed here using dynamic mappings. diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt index b231414..2b5f823 100644 --- a/Documentation/cachetlb.txt +++ b/Documentation/cachetlb.txt @@ -88,12 +88,12 @@ changes occur: This is used primarily during fault processing. 5) void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) At the end of every page fault, this routine is invoked to tell the architecture specific code that a translation - described by "pte" now exists at virtual address "address" - for address space "vma->vm_mm", in the software page tables. + now exists at virtual address "address" for address space + "vma->vm_mm", in the software page tables. A port may use this information in any way it so chooses. For example, it could use this event to pre-load TLB diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h index 3f0c59f6..71a2432 100644 --- a/arch/alpha/include/asm/pgtable.h +++ b/arch/alpha/include/asm/pgtable.h @@ -329,7 +329,7 @@ extern pgd_t swapper_pg_dir[1024]; * tables contain all the necessary information. */ extern inline void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) { } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 184a6bd..3b18128 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -12,6 +12,7 @@ config ARM select HAVE_IDE select RTC_LIB select SYS_SUPPORTS_APM_EMULATION + select GENERIC_ATOMIC64 if (!CPU_32v6K) select HAVE_OPROFILE select HAVE_ARCH_KGDB select HAVE_KPROBES if (!XIP_KERNEL) @@ -20,6 +21,8 @@ config ARM select HAVE_GENERIC_DMA_COHERENT select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZO + select HAVE_PERF_EVENTS + select PERF_USE_VMALLOC help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and @@ -52,6 +55,9 @@ config HAVE_TCM bool select GENERIC_ALLOCATOR +config HAVE_PROC_CPU + bool + config NO_IOPORT bool @@ -161,6 +167,11 @@ config ARCH_MTD_XIP config GENERIC_HARDIRQS_NO__DO_IRQ def_bool y +config ARM_L1_CACHE_SHIFT_6 + bool + help + Setting ARM L1 cache line size to 64 Bytes. + if OPROFILE config OPROFILE_ARMV6 @@ -550,10 +561,20 @@ config ARCH_W90X900 <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/ ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller> +config ARCH_NUC93X + bool "Nuvoton NUC93X CPU" + select CPU_ARM926T + select HAVE_CLK + select COMMON_CLKDEV + help + Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a + low-power and high performance MPEG-4/JPEG multimedia controller chip. + config ARCH_PNX4008 bool "Philips Nexperia PNX4008 Mobile" select CPU_ARM926T select HAVE_CLK + select COMMON_CLKDEV help This enables support for Philips PNX4008 mobile platform. @@ -638,6 +659,7 @@ config ARCH_S5PC1XX select GENERIC_GPIO select HAVE_CLK select CPU_V7 + select ARM_L1_CACHE_SHIFT_6 help Samsung S5PC1XX series based systems @@ -785,6 +807,8 @@ source "arch/arm/plat-nomadik/Kconfig" source "arch/arm/mach-ns9xxx/Kconfig" +source "arch/arm/mach-nuc93x/Kconfig" + source "arch/arm/plat-omap/Kconfig" source "arch/arm/mach-omap1/Kconfig" @@ -867,6 +891,11 @@ config XSCALE_PMU depends on CPU_XSCALE && !XSCALE_PMU_TIMER default y +config CPU_HAS_PMU + depends on CPU_V6 || CPU_V7 || XSCALE_PMU + default y + bool + if !MMU source "arch/arm/Kconfig-nommu" endif @@ -921,6 +950,19 @@ config ARM_ERRATA_460075 ACTLR register. Note that setting specific bits in the ACTLR register may not be available in non-secure mode. +config PL310_ERRATA_588369 + bool "Clean & Invalidate maintenance operations do not invalidate clean lines" + depends on CACHE_L2X0 && ARCH_OMAP4 + help + The PL310 L2 cache controller implements three types of Clean & + Invalidate maintenance operations: by Physical Address + (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC). + They are architecturally defined to behave as the execution of a + clean operation followed immediately by an invalidate operation, + both performing to the same memory location. This functionality + is not correctly implemented in PL310 as clean lines are not + invalidated as a result of these operations. Note that this errata + uses Texas Instrument's secure monitor api. endmenu source "arch/arm/common/Kconfig" @@ -1171,6 +1213,14 @@ config HIGHPTE depends on HIGHMEM depends on !OUTER_CACHE +config HW_PERF_EVENTS + bool "Enable hardware performance counter support for perf events" + depends on PERF_EVENTS && CPU_HAS_PMU && (CPU_V6 || CPU_V7) + default y + help + Enable hardware performance counter support for perf events. If + disabled, perf events will use software events only. + source "mm/Kconfig" config LEDS @@ -1230,6 +1280,7 @@ config ALIGNMENT_TRAP bool depends on CPU_CP15_MMU default y if !ARCH_EBSA110 + select HAVE_PROC_CPU if PROC_FS help ARM processors cannot fetch/store information which is not naturally aligned on the bus, i.e., a 4 byte fetch must start at an diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 356d702..81f54ca 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -171,6 +171,7 @@ machine-$(CONFIG_ARCH_U300) := u300 machine-$(CONFIG_ARCH_U8500) := ux500 machine-$(CONFIG_ARCH_VERSATILE) := versatile machine-$(CONFIG_ARCH_W90X900) := w90x900 +machine-$(CONFIG_ARCH_NUC93X) := nuc93x machine-$(CONFIG_FOOTBRIDGE) := footbridge # Platform directory name. This list is sorted alphanumerically diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 2d4d88b..97c89e7 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -5,7 +5,7 @@ # HEAD = head.o -OBJS = misc.o +OBJS = misc.o decompress.o FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c # @@ -106,10 +106,6 @@ lib1funcs = $(obj)/lib1funcs.o $(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE $(call cmd,shipped) -# Don't allow any static data in misc.o, which -# would otherwise mess up our GOT table -CFLAGS_misc.o := -Dstatic= - $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \ $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE $(call if_changed,ld) diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c new file mode 100644 index 0000000..0da382f --- /dev/null +++ b/arch/arm/boot/compressed/decompress.c @@ -0,0 +1,45 @@ +#define _LINUX_STRING_H_ + +#include <linux/compiler.h> /* for inline */ +#include <linux/types.h> /* for size_t */ +#include <linux/stddef.h> /* for NULL */ +#include <linux/linkage.h> +#include <asm/string.h> + +extern unsigned long free_mem_ptr; +extern unsigned long free_mem_end_ptr; +extern void error(char *); + +#define STATIC static + +#define ARCH_HAS_DECOMP_WDOG + +/* Diagnostic functions */ +#ifdef DEBUG +# define Assert(cond,msg) {if(!(cond)) error(msg);} +# define Trace(x) fprintf x +# define Tracev(x) {if (verbose) fprintf x ;} +# define Tracevv(x) {if (verbose>1) fprintf x ;} +# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} +# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} +#else +# define Assert(cond,msg) +# define Trace(x) +# define Tracev(x) +# define Tracevv(x) +# define Tracec(c,x) +# define Tracecv(c,x) +#endif + +#ifdef CONFIG_KERNEL_GZIP +#include "../../../../lib/decompress_inflate.c" +#endif + +#ifdef CONFIG_KERNEL_LZO +#include "../../../../lib/decompress_unlzo.c" +#endif + +void do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x)) +{ + decompress(input, len, NULL, NULL, output, NULL, error); +} diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 4fddc50..99b75aa 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -22,13 +22,13 @@ #if defined(CONFIG_DEBUG_ICEDCC) #ifdef CONFIG_CPU_V6 - .macro loadsp, rb + .macro loadsp, rb, tmp .endm .macro writeb, ch, rb mcr p14, 0, \ch, c0, c5, 0 .endm #elif defined(CONFIG_CPU_V7) - .macro loadsp, rb + .macro loadsp, rb, tmp .endm .macro writeb, ch, rb wait: mrc p14, 0, pc, c0, c1, 0 @@ -36,13 +36,13 @@ wait: mrc p14, 0, pc, c0, c1, 0 mcr p14, 0, \ch, c0, c5, 0 .endm #elif defined(CONFIG_CPU_XSCALE) - .macro loadsp, rb + .macro loadsp, rb, tmp .endm .macro writeb, ch, rb mcr p14, 0, \ch, c8, c0, 0 .endm #else - .macro loadsp, rb + .macro loadsp, rb, tmp .endm .macro writeb, ch, rb mcr p14, 0, \ch, c1, c0, 0 @@ -58,7 +58,7 @@ wait: mrc p14, 0, pc, c0, c1, 0 .endm #if defined(CONFIG_ARCH_SA1100) - .macro loadsp, rb + .macro loadsp, rb, tmp mov \rb, #0x80000000 @ physical base address #ifdef CONFIG_DEBUG_LL_SER3 add \rb, \rb, #0x00050000 @ Ser3 @@ -67,13 +67,13 @@ wait: mrc p14, 0, pc, c0, c1, 0 #endif .endm #elif defined(CONFIG_ARCH_S3C2410) - .macro loadsp, rb + .macro loadsp, rb, tmp mov \rb, #0x50000000 add \rb, \rb, #0x4000 * CONFIG_S3C_LOWLEVEL_UART_PORT .endm #else - .macro loadsp, rb - addruart \rb + .macro loadsp, rb, tmp + addruart \rb, \tmp .endm #endif #endif @@ -1025,7 +1025,7 @@ phex: adr r3, phexbuf strb r2, [r3, r1] b 1b -puts: loadsp r3 +puts: loadsp r3, r1 1: ldrb r2, [r0], #1 teq r2, #0 moveq pc, lr @@ -1042,7 +1042,7 @@ puts: loadsp r3 putc: mov r2, r0 mov r0, #0 - loadsp r3 + loadsp r3, r1 b 2b memdump: mov r12, r0 diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 56a0d11..d32bc71 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -23,8 +23,8 @@ unsigned int __machine_arch_type; #include <linux/compiler.h> /* for inline */ #include <linux/types.h> /* for size_t */ #include <linux/stddef.h> /* for NULL */ -#include <asm/string.h> #include <linux/linkage.h> +#include <asm/string.h> #include <asm/unaligned.h> @@ -117,57 +117,7 @@ static void putstr(const char *ptr) #endif -#define __ptr_t void * - -#define memzero(s,n) __memzero(s,n) - -/* - * Optimised C version of memzero for the ARM. - */ -void __memzero (__ptr_t s, size_t n) -{ - union { void *vp; unsigned long *ulp; unsigned char *ucp; } u; - int i; - - u.vp = s; - - for (i = n >> 5; i > 0; i--) { - *u.ulp++ = 0; - *u.ulp++ = 0; - *u.ulp++ = 0; - *u.ulp++ = 0; - *u.ulp++ = 0; - *u.ulp++ = 0; - *u.ulp++ = 0; - *u.ulp++ = 0; - } - - if (n & 1 << 4) { - *u.ulp++ = 0; - *u.ulp++ = 0; - *u.ulp++ = 0; - *u.ulp++ = 0; - } - - if (n & 1 << 3) { - *u.ulp++ = 0; - *u.ulp++ = 0; - } - - if (n & 1 << 2) - *u.ulp++ = 0; - - if (n & 1 << 1) { - *u.ucp++ = 0; - *u.ucp++ = 0; - } - - if (n & 1) - *u.ucp++ = 0; -} - -static inline __ptr_t memcpy(__ptr_t __dest, __const __ptr_t __src, - size_t __n) +void *memcpy(void *__dest, __const void *__src, size_t __n) { int i = 0; unsigned char *d = (unsigned char *)__dest, *s = (unsigned char *)__src; @@ -204,59 +154,20 @@ static inline __ptr_t memcpy(__ptr_t __dest, __const __ptr_t __src, /* * gzip delarations */ -#define STATIC static - -/* Diagnostic functions */ -#ifdef DEBUG -# define Assert(cond,msg) {if(!(cond)) error(msg);} -# define Trace(x) fprintf x -# define Tracev(x) {if (verbose) fprintf x ;} -# define Tracevv(x) {if (verbose>1) fprintf x ;} -# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} -#else -# define Assert(cond,msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c,x) -# define Tracecv(c,x) -#endif - -static void error(char *m); - extern char input_data[]; extern char input_data_end[]; -static unsigned char *output_data; -static unsigned long output_ptr; - -static void error(char *m); +unsigned char *output_data; +unsigned long output_ptr; -static void putstr(const char *); - -static unsigned long free_mem_ptr; -static unsigned long free_mem_end_ptr; - -#ifdef STANDALONE_DEBUG -#define NO_INFLATE_MALLOC -#endif - -#define ARCH_HAS_DECOMP_WDOG - -#ifdef CONFIG_KERNEL_GZIP -#include "../../../../lib/decompress_inflate.c" -#endif - -#ifdef CONFIG_KERNEL_LZO -#include "../../../../lib/decompress_unlzo.c" -#endif +unsigned long free_mem_ptr; +unsigned long free_mem_end_ptr; #ifndef arch_error #define arch_error(x) #endif -static void error(char *x) +void error(char *x) { arch_error(x); @@ -272,6 +183,8 @@ asmlinkage void __div0(void) error("Attempting division by 0!"); } +extern void do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x)); + #ifndef STANDALONE_DEBUG unsigned long @@ -292,8 +205,8 @@ decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p, output_ptr = get_unaligned_le32(tmp); putstr("Uncompressing Linux..."); - decompress(input_data, input_data_end - input_data, - NULL, NULL, output_data, NULL, error); + do_decompress(input_data, input_data_end - input_data, + output_data, error); putstr(" done, booting the kernel.\n"); return output_ptr; } diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in index a5924b9..7ca9ecf 100644 --- a/arch/arm/boot/compressed/vmlinux.lds.in +++ b/arch/arm/boot/compressed/vmlinux.lds.in @@ -14,6 +14,13 @@ SECTIONS /DISCARD/ : { *(.ARM.exidx*) *(.ARM.extab*) + /* + * Discard any r/w data - this produces a link error if we have any, + * which is required for PIC decompression. Local data generates + * GOTOFF relocations, which prevents it being relocated independently + * of the text/got segments. + */ + *(.data) } . = TEXT_START; @@ -40,7 +47,6 @@ SECTIONS .got : { *(.got) } _got_end = .; .got.plt : { *(.got.plt) } - .data : { *(.data) } _edata = .; . = BSS_START; diff --git a/arch/arm/common/clkdev.c b/arch/arm/common/clkdev.c index aae5bc0..446b696 100644 --- a/arch/arm/common/clkdev.c +++ b/arch/arm/common/clkdev.c @@ -99,6 +99,16 @@ void clkdev_add(struct clk_lookup *cl) } EXPORT_SYMBOL(clkdev_add); +void __init clkdev_add_table(struct clk_lookup *cl, size_t num) +{ + mutex_lock(&clocks_mutex); + while (num--) { + list_add_tail(&cl->node, &clocks); + cl++; + } + mutex_unlock(&clocks_mutex); +} + #define MAX_DEV_ID 20 #define MAX_CON_ID 16 diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index cc32c1e..cc0a932 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -277,7 +277,7 @@ static inline dma_addr_t map_single(struct device *dev, void *ptr, size_t size, * We don't need to sync the DMA buffer since * it was allocated via the coherent allocators. */ - dma_cache_maint(ptr, size, dir); + __dma_single_cpu_to_dev(ptr, size, dir); } return dma_addr; @@ -315,6 +315,8 @@ static inline void unmap_single(struct device *dev, dma_addr_t dma_addr, __cpuc_flush_dcache_area(ptr, size); } free_safe_buffer(dev->archdata.dmabounce, buf); + } else { + __dma_single_dev_to_cpu(dma_to_virt(dev, dma_addr), size, dir); } } diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c index f232941..1cf999a 100644 --- a/arch/arm/common/vic.c +++ b/arch/arm/common/vic.c @@ -18,6 +18,7 @@ * 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/init.h> #include <linux/list.h> #include <linux/io.h> @@ -28,48 +29,6 @@ #include <asm/mach/irq.h> #include <asm/hardware/vic.h> -static void vic_ack_irq(unsigned int irq) -{ - void __iomem *base = get_irq_chip_data(irq); - irq &= 31; - writel(1 << irq, base + VIC_INT_ENABLE_CLEAR); - /* moreover, clear the soft-triggered, in case it was the reason */ - writel(1 << irq, base + VIC_INT_SOFT_CLEAR); -} - -static void vic_mask_irq(unsigned int irq) -{ - void __iomem *base = get_irq_chip_data(irq); - irq &= 31; - writel(1 << irq, base + VIC_INT_ENABLE_CLEAR); -} - -static void vic_unmask_irq(unsigned int irq) -{ - void __iomem *base = get_irq_chip_data(irq); - irq &= 31; - writel(1 << irq, base + VIC_INT_ENABLE); -} - -/** - * vic_init2 - common initialisation code - * @base: Base of the VIC. - * - * Common initialisation code for registeration - * and resume. -*/ -static void vic_init2(void __iomem *base) -{ - int i; - - for (i = 0; i < 16; i++) { - void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4); - writel(VIC_VECT_CNTL_ENABLE | i, reg); - } - - writel(32, base + VIC_PL190_DEF_VECT_ADDR); -} - #if defined(CONFIG_PM) /** * struct vic_device - VIC PM device @@ -99,13 +58,34 @@ struct vic_device { /* we cannot allocate memory when VICs are initially registered */ static struct vic_device vic_devices[CONFIG_ARM_VIC_NR]; +static int vic_id; + static inline struct vic_device *to_vic(struct sys_device *sys) { return container_of(sys, struct vic_device, sysdev); } +#endif /* CONFIG_PM */ -static int vic_id; +/** + * vic_init2 - common initialisation code + * @base: Base of the VIC. + * + * Common initialisation code for registeration + * and resume. +*/ +static void vic_init2(void __iomem *base) +{ + int i; + + for (i = 0; i < 16; i++) { + void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4); + writel(VIC_VECT_CNTL_ENABLE | i, reg); + } + + writel(32, base + VIC_PL190_DEF_VECT_ADDR); +} +#if defined(CONFIG_PM) static int vic_class_resume(struct sys_device *dev) { struct vic_device *vic = to_vic(dev); @@ -159,31 +139,6 @@ struct sysdev_class vic_class = { }; /** - * vic_pm_register - Register a VIC for later power management control - * @base: The base address of the VIC. - * @irq: The base IRQ for the VIC. - * @resume_sources: bitmask of interrupts allowed for resume sources. - * - * Register the VIC with the system device tree so that it can be notified - * of suspend and resume requests and ensure that the correct actions are - * taken to re-instate the settings on resume. - */ -static void __init vic_pm_register(void __iomem *base, unsigned int irq, u32 resume_sources) -{ - struct vic_device *v; - - if (vic_id >= ARRAY_SIZE(vic_devices)) - printk(KERN_ERR "%s: too few VICs, increase CONFIG_ARM_VIC_NR\n", __func__); - else { - v = &vic_devices[vic_id]; - v->base = base; - v->resume_sources = resume_sources; - v->irq = irq; - vic_id++; - } -} - -/** * vic_pm_init - initicall to register VIC pm * * This is called via late_initcall() to register @@ -219,9 +174,60 @@ static int __init vic_pm_init(void) return 0; } - late_initcall(vic_pm_init); +/** + * vic_pm_register - Register a VIC for later power management control + * @base: The base address of the VIC. + * @irq: The base IRQ for the VIC. + * @resume_sources: bitmask of interrupts allowed for resume sources. + * + * Register the VIC with the system device tree so that it can be notified + * of suspend and resume requests and ensure that the correct actions are + * taken to re-instate the settings on resume. + */ +static void __init vic_pm_register(void __iomem *base, unsigned int irq, u32 resume_sources) +{ + struct vic_device *v; + + if (vic_id >= ARRAY_SIZE(vic_devices)) + printk(KERN_ERR "%s: too few VICs, increase CONFIG_ARM_VIC_NR\n", __func__); + else { + v = &vic_devices[vic_id]; + v->base = base; + v->resume_sources = resume_sources; + v->irq = irq; + vic_id++; + } +} +#else +static inline void vic_pm_register(void __iomem *base, unsigned int irq, u32 arg1) { } +#endif /* CONFIG_PM */ + +static void vic_ack_irq(unsigned int irq) +{ + void __iomem *base = get_irq_chip_data(irq); + irq &= 31; + writel(1 << irq, base + VIC_INT_ENABLE_CLEAR); + /* moreover, clear the soft-triggered, in case it was the reason */ + writel(1 << irq, base + VIC_INT_SOFT_CLEAR); +} + +static void vic_mask_irq(unsigned int irq) +{ + void __iomem *base = get_irq_chip_data(irq); + irq &= 31; + writel(1 << irq, base + VIC_INT_ENABLE_CLEAR); +} + +static void vic_unmask_irq(unsigned int irq) +{ + void __iomem *base = get_irq_chip_data(irq); + irq &= 31; + writel(1 << irq, base + VIC_INT_ENABLE); +} + +#if defined(CONFIG_PM) static struct vic_device *vic_from_irq(unsigned int irq) { struct vic_device *v = vic_devices; @@ -255,10 +261,7 @@ static int vic_set_wake(unsigned int irq, unsigned int on) return 0; } - #else -static inline void vic_pm_register(void __iomem *base, unsigned int irq, u32 arg1) { } - #define vic_set_wake NULL #endif /* CONFIG_PM */ @@ -270,9 +273,62 @@ static struct irq_chip vic_chip = { .set_wake = vic_set_wake, }; -/* The PL190 cell from ARM has been modified by ST, so handle both here */ -static void vik_init_st(void __iomem *base, unsigned int irq_start, - u32 vic_sources); +/* + * The PL190 cell from ARM has been modified by ST to handle 64 interrupts. + * The original cell has 32 interrupts, while the modified one has 64, + * replocating two blocks 0x00..0x1f in 0x20..0x3f. In that case + * the probe function is called twice, with base set to offset 000 + * and 020 within the page. We call this "second block". + */ +static void __init vic_init_st(void __iomem *base, unsigned int irq_start, + u32 vic_sources) +{ + unsigned int i; + int vic_2nd_block = ((unsigned long)base & ~PAGE_MASK) != 0; + + /* Disable all interrupts initially. */ + + writel(0, base + VIC_INT_SELECT); + writel(0, base + VIC_INT_ENABLE); + writel(~0, base + VIC_INT_ENABLE_CLEAR); + writel(0, base + VIC_IRQ_STATUS); + writel(0, base + VIC_ITCR); + writel(~0, base + VIC_INT_SOFT_CLEAR); + + /* + * Make sure we clear all existing interrupts. The vector registers + * in this cell are after the second block of general registers, + * so we can address them using standard offsets, but only from + * the second base address, which is 0x20 in the page + */ + if (vic_2nd_block) { + writel(0, base + VIC_PL190_VECT_ADDR); + for (i = 0; i < 19; i++) { + unsigned int value; + + value = readl(base + VIC_PL190_VECT_ADDR); + writel(value, base + VIC_PL190_VECT_ADDR); + } + /* ST has 16 vectors as well, but we don't enable them by now */ + for (i = 0; i < 16; i++) { + void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4); + writel(0, reg); + } + + writel(32, base + VIC_PL190_DEF_VECT_ADDR); + } + + for (i = 0; i < 32; i++) { + if (vic_sources & (1 << i)) { + unsigned int irq = irq_start + i; + + set_irq_chip(irq, &vic_chip); + set_irq_chip_data(irq, base); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + } +} /** * vic_init - initialise a vectored interrupt controller @@ -299,7 +355,7 @@ void __init vic_init(void __iomem *base, unsigned int irq_start, switch(vendor) { case AMBA_VENDOR_ST: - vik_init_st(base, irq_start, vic_sources); + vic_init_st(base, irq_start, vic_sources); return; default: printk(KERN_WARNING "VIC: unknown vendor, continuing anyways\n"); @@ -343,60 +399,3 @@ void __init vic_init(void __iomem *base, unsigned int irq_start, vic_pm_register(base, irq_start, resume_sources); } - -/* - * The PL190 cell from ARM has been modified by ST to handle 64 interrupts. - * The original cell has 32 interrupts, while the modified one has 64, - * replocating two blocks 0x00..0x1f in 0x20..0x3f. In that case - * the probe function is called twice, with base set to offset 000 - * and 020 within the page. We call this "second block". - */ -static void __init vik_init_st(void __iomem *base, unsigned int irq_start, - u32 vic_sources) -{ - unsigned int i; - int vic_2nd_block = ((unsigned long)base & ~PAGE_MASK) != 0; - - /* Disable all interrupts initially. */ - - writel(0, base + VIC_INT_SELECT); - writel(0, base + VIC_INT_ENABLE); - writel(~0, base + VIC_INT_ENABLE_CLEAR); - writel(0, base + VIC_IRQ_STATUS); - writel(0, base + VIC_ITCR); - writel(~0, base + VIC_INT_SOFT_CLEAR); - - /* - * Make sure we clear all existing interrupts. The vector registers - * in this cell are after the second block of general registers, - * so we can address them using standard offsets, but only from - * the second base address, which is 0x20 in the page - */ - if (vic_2nd_block) { - writel(0, base + VIC_PL190_VECT_ADDR); - for (i = 0; i < 19; i++) { - unsigned int value; - - value = readl(base + VIC_PL190_VECT_ADDR); - writel(value, base + VIC_PL190_VECT_ADDR); - } - /* ST has 16 vectors as well, but we don't enable them by now */ - for (i = 0; i < 16; i++) { - void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4); - writel(0, reg); - } - - writel(32, base + VIC_PL190_DEF_VECT_ADDR); - } - - for (i = 0; i < 32; i++) { - if (vic_sources & (1 << i)) { - unsigned int irq = irq_start + i; - - set_irq_chip(irq, &vic_chip); - set_irq_chip_data(irq, base); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); - } - } -} diff --git a/arch/arm/configs/at572d940hfek_defconfig b/arch/arm/configs/at572d940hfek_defconfig new file mode 100644 index 0000000..76d724b --- /dev/null +++ b/arch/arm/configs/at572d940hfek_defconfig @@ -0,0 +1,1640 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.28-rc7 +# Fri Dec 5 10:58:47 2008 +# +CONFIG_ARM=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_MMU=y +# CONFIG_NO_IOPORT is not set +CONFIG_GENERIC_HARDIRQS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="-AT572D940HF" +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_POSIX_MQUEUE=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_BSD_PROCESS_ACCT_V3=y +CONFIG_TASKSTATS=y +# CONFIG_TASK_DELAY_ACCT is not set +CONFIG_TASK_XACCT=y +CONFIG_TASK_IO_ACCOUNTING=y +CONFIG_AUDIT=y +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=17 +CONFIG_CGROUPS=y +# CONFIG_CGROUP_DEBUG is not set +# CONFIG_CGROUP_NS is not set +# CONFIG_CGROUP_FREEZER is not set +# CONFIG_CGROUP_DEVICE is not set +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +CONFIG_RT_GROUP_SCHED=y +# CONFIG_USER_SCHED is not set +CONFIG_CGROUP_SCHED=y +CONFIG_CGROUP_CPUACCT=y +# CONFIG_RESOURCE_COUNTERS is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_RELAY=y +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_AIO=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +CONFIG_PROFILING=y +CONFIG_MARKERS=y +CONFIG_OPROFILE=m +CONFIG_HAVE_OPROFILE=y +CONFIG_KPROBES=y +CONFIG_KRETPROBES=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_CLK=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_MODVERSIONS=y +CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_KMOD=y +CONFIG_BLOCK=y +# CONFIG_LBD is not set +CONFIG_BLK_DEV_IO_TRACE=y +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" +CONFIG_CLASSIC_RCU=y +# CONFIG_FREEZER is not set + +# +# System Type +# +# CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_INTEGRATOR is not set +# CONFIG_ARCH_REALVIEW is not set +# CONFIG_ARCH_VERSATILE is not set +CONFIG_ARCH_AT91=y +# CONFIG_ARCH_CLPS7500 is not set +# CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_FOOTBRIDGE is not set +# CONFIG_ARCH_NETX is not set +# CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_IMX is not set +# CONFIG_ARCH_IOP13XX is not set +# CONFIG_ARCH_IOP32X is not set +# CONFIG_ARCH_IOP33X is not set +# CONFIG_ARCH_IXP23XX is not set +# CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP4XX is not set +# CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_KIRKWOOD is not set +# CONFIG_ARCH_KS8695 is not set +# CONFIG_ARCH_NS9XXX is not set +# CONFIG_ARCH_LOKI is not set +# CONFIG_ARCH_MV78XX0 is not set +# CONFIG_ARCH_MXC is not set +# CONFIG_ARCH_ORION5X is not set +# CONFIG_ARCH_PNX4008 is not set +# CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_RPC is not set +# CONFIG_ARCH_SA1100 is not set +# CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_SHARK is not set +# CONFIG_ARCH_LH7A40X is not set +# CONFIG_ARCH_DAVINCI is not set +# CONFIG_ARCH_OMAP is not set +# CONFIG_ARCH_MSM is not set + +# +# Boot options +# + +# +# Power management +# + +# +# Atmel AT91 System-on-Chip +# +# CONFIG_ARCH_AT91RM9200 is not set +# CONFIG_ARCH_AT91SAM9260 is not set +# CONFIG_ARCH_AT91SAM9261 is not set +# CONFIG_ARCH_AT91SAM9263 is not set +# CONFIG_ARCH_AT91SAM9RL is not set +# CONFIG_ARCH_AT91SAM9G20 is not set +# CONFIG_ARCH_AT91CAP9 is not set +# CONFIG_ARCH_AT91X40 is not set +CONFIG_ARCH_AT572D940HF=y +CONFIG_AT91_PMC_UNIT=y + +# +# AT572D940HF Board Type +# +CONFIG_MACH_AT572D940HFEB=y + +# +# AT91 Board Options +# +# CONFIG_MTD_AT91_DATAFLASH_CARD is not set +# CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16 is not set +CONFIG_NUM_SERIAL=3 + +# +# AT91 Feature Selections +# +CONFIG_AT91_PROGRAMMABLE_CLOCKS=y +CONFIG_AT91_TIMER_HZ=100 +CONFIG_AT91_EARLY_DBGU=y +# CONFIG_AT91_EARLY_USART0 is not set +# CONFIG_AT91_EARLY_USART1 is not set +# CONFIG_AT91_EARLY_USART2 is not set +# CONFIG_AT91_EARLY_USART3 is not set +# CONFIG_AT91_EARLY_USART4 is not set +# CONFIG_AT91_EARLY_USART5 is not set + +# +# Processor Type +# +CONFIG_CPU_32=y +CONFIG_CPU_ARM926T=y +CONFIG_CPU_32v5=y +CONFIG_CPU_ABRT_EV5TJ=y +CONFIG_CPU_PABRT_NOIFAR=y +CONFIG_CPU_CACHE_VIVT=y +CONFIG_CPU_COPY_V4WB=y +CONFIG_CPU_TLB_V4WBI=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y + +# +# Processor Features +# +CONFIG_ARM_THUMB=y +# CONFIG_CPU_ICACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_WRITETHROUGH is not set +# CONFIG_CPU_CACHE_ROUND_ROBIN is not set +# CONFIG_OUTER_CACHE is not set + +# +# Bus support +# +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Kernel Features +# +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_2G is not set +# CONFIG_VMSPLIT_1G is not set +CONFIG_PAGE_OFFSET=0xC0000000 +CONFIG_PREEMPT=y +CONFIG_HZ=100 +# CONFIG_AEABI is not set +CONFIG_ARCH_FLATMEM_HAS_HOLES=y +# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set +# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_RESOURCES_64BIT=y +# CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_VIRT_TO_BUS=y +CONFIG_UNEVICTABLE_LRU=y +# CONFIG_LEDS is not set +CONFIG_ALIGNMENT_TRAP=y + +# +# Boot options +# +CONFIG_ZBOOT_ROM_TEXT=0 +CONFIG_ZBOOT_ROM_BSS=0 +CONFIG_CMDLINE="mem=48M console=ttyS0 initrd=0x21100000,3145728 root=/dev/ram0 rw ip=172.16.1.181" +# CONFIG_XIP_KERNEL is not set +CONFIG_KEXEC=y +CONFIG_ATAGS_PROC=y + +# +# CPU Power Management +# +# CONFIG_CPU_IDLE is not set + +# +# Floating point emulation +# + +# +# At least one emulation must be selected +# +CONFIG_FPE_NWFPE=y +CONFIG_FPE_NWFPE_XP=y +# CONFIG_FPE_FASTFPE is not set +# CONFIG_VFP is not set + +# +# Userspace binary formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_HAVE_AOUT=y +# CONFIG_BINFMT_AOUT is not set +# CONFIG_BINFMT_MISC is not set +# CONFIG_ARTHUR is not set + +# +# Power management options +# +# CONFIG_PM is not set +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=m +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +# CONFIG_IP_PNP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +CONFIG_IP_SCTP=m +# CONFIG_SCTP_DBG_MSG is not set +# CONFIG_SCTP_DBG_OBJCNT is not set +# CONFIG_SCTP_HMAC_NONE is not set +# CONFIG_SCTP_HMAC_SHA1 is not set +CONFIG_SCTP_HMAC_MD5=y +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +CONFIG_NET_PKTGEN=m +CONFIG_NET_TCPPROBE=m +# CONFIG_HAMRADIO is not set +CONFIG_CAN=m +CONFIG_CAN_RAW=m +CONFIG_CAN_BCM=m + +# +# CAN Device Drivers +# +CONFIG_CAN_VCAN=m +CONFIG_CAN_DEBUG_DEVICES=y +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +# CONFIG_PHONET is not set +CONFIG_WIRELESS=y +# CONFIG_CFG80211 is not set +CONFIG_WIRELESS_OLD_REGULATORY=y +CONFIG_WIRELESS_EXT=y +CONFIG_WIRELESS_EXT_SYSFS=y +# CONFIG_MAC80211 is not set +CONFIG_IEEE80211=m +# CONFIG_IEEE80211_DEBUG is not set +CONFIG_IEEE80211_CRYPT_WEP=m +# CONFIG_IEEE80211_CRYPT_CCMP is not set +# CONFIG_IEEE80211_CRYPT_TKIP is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +CONFIG_FIRMWARE_IN_KERNEL=y +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_SYS_HYPERVISOR is not set +CONFIG_CONNECTOR=m +CONFIG_MTD=m +CONFIG_MTD_DEBUG=y +CONFIG_MTD_DEBUG_VERBOSE=1 +CONFIG_MTD_CONCAT=m +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_AFS_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=m +CONFIG_MTD_BLKDEVS=m +CONFIG_MTD_BLOCK=m +CONFIG_MTD_BLOCK_RO=m +CONFIG_FTL=m +CONFIG_NFTL=m +CONFIG_NFTL_RW=y +CONFIG_INFTL=m +CONFIG_RFD_FTL=m +CONFIG_SSFDC=m +CONFIG_MTD_OOPS=m + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=m +CONFIG_MTD_JEDECPROBE=m +CONFIG_MTD_GEN_PROBE=m +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +CONFIG_MTD_CFI_INTELEXT=m +CONFIG_MTD_CFI_AMDSTD=m +CONFIG_MTD_CFI_STAA=m +CONFIG_MTD_CFI_UTIL=m +CONFIG_MTD_RAM=m +CONFIG_MTD_ROM=m +CONFIG_MTD_ABSENT=m + +# +# Mapping drivers for chip access +# +CONFIG_MTD_COMPLEX_MAPPINGS=y +CONFIG_MTD_PHYSMAP=m +CONFIG_MTD_PHYSMAP_START=0x8000000 +CONFIG_MTD_PHYSMAP_LEN=0x4000000 +CONFIG_MTD_PHYSMAP_BANKWIDTH=2 +# CONFIG_MTD_ARM_INTEGRATOR is not set +# CONFIG_MTD_IMPA7 is not set +CONFIG_MTD_PLATRAM=m + +# +# Self-contained MTD device drivers +# +CONFIG_MTD_DATAFLASH=m +# CONFIG_MTD_DATAFLASH_WRITE_VERIFY is not set +# CONFIG_MTD_DATAFLASH_OTP is not set +CONFIG_MTD_M25P80=m +CONFIG_M25PXX_USE_FAST_READ=y +CONFIG_MTD_SLRAM=m +CONFIG_MTD_PHRAM=m +CONFIG_MTD_MTDRAM=m +CONFIG_MTDRAM_TOTAL_SIZE=4096 +CONFIG_MTDRAM_ERASE_SIZE=128 +CONFIG_MTD_BLOCK2MTD=m + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=m +CONFIG_MTD_NAND_VERIFY_WRITE=y +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +# CONFIG_MTD_NAND_GPIO is not set +CONFIG_MTD_NAND_IDS=m +CONFIG_MTD_NAND_DISKONCHIP=m +# CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADVANCED is not set +CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS=0 +# CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE is not set +# CONFIG_MTD_NAND_ATMEL is not set +CONFIG_MTD_NAND_NANDSIM=m +CONFIG_MTD_NAND_PLATFORM=m +CONFIG_MTD_ALAUDA=m +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +CONFIG_MTD_UBI=m +CONFIG_MTD_UBI_WL_THRESHOLD=4096 +CONFIG_MTD_UBI_BEB_RESERVE=1 +CONFIG_MTD_UBI_GLUEBI=y + +# +# UBI debugging options +# +# CONFIG_MTD_UBI_DEBUG is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_NBD=m +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=65536 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_MISC_DEVICES=y +CONFIG_ATMEL_TCLIB=y +CONFIG_ATMEL_TCB_CLKSRC=y +CONFIG_ATMEL_TCB_CLKSRC_BLOCK=0 +# CONFIG_EEPROM_93CX6 is not set +# CONFIG_ICS932S401 is not set +CONFIG_ATMEL_SSC=m +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_C2PORT is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +CONFIG_RAID_ATTRS=m +CONFIG_SCSI=m +CONFIG_SCSI_DMA=y +CONFIG_SCSI_TGT=m +# CONFIG_SCSI_NETLINK is not set +# CONFIG_SCSI_PROC_FS is not set + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=m +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +CONFIG_BLK_DEV_SR=m +# CONFIG_BLK_DEV_SR_VENDOR is not set +CONFIG_CHR_DEV_SG=m +CONFIG_CHR_DEV_SCH=m + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +CONFIG_SCSI_MULTI_LUN=y +CONFIG_SCSI_CONSTANTS=y +CONFIG_SCSI_LOGGING=y +CONFIG_SCSI_SCAN_ASYNC=y +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +CONFIG_SCSI_ISCSI_ATTRS=m +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_ISCSI_TCP is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_DH is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +CONFIG_NETDEVICES=y +CONFIG_DUMMY=m +CONFIG_BONDING=m +CONFIG_MACVLAN=m +CONFIG_EQUALIZER=m +CONFIG_TUN=m +CONFIG_VETH=m +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +CONFIG_MARVELL_PHY=m +CONFIG_DAVICOM_PHY=m +CONFIG_QSEMI_PHY=m +CONFIG_LXT_PHY=m +CONFIG_CICADA_PHY=m +CONFIG_VITESSE_PHY=m +CONFIG_SMSC_PHY=m +CONFIG_BROADCOM_PHY=m +CONFIG_ICPLUS_PHY=m +# CONFIG_REALTEK_PHY is not set +# CONFIG_FIXED_PHY is not set +CONFIG_MDIO_BITBANG=m +CONFIG_NET_ETHERNET=y +CONFIG_MII=m +CONFIG_MACB=y +# CONFIG_AX88796 is not set +# CONFIG_SMC91X is not set +# CONFIG_DM9000 is not set +# CONFIG_ENC28J60 is not set +# CONFIG_SMC911X is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set +# CONFIG_B44 is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set + +# +# Wireless LAN +# +CONFIG_WLAN_PRE80211=y +CONFIG_STRIP=m +CONFIG_WLAN_80211=y +CONFIG_LIBERTAS=m +CONFIG_LIBERTAS_USB=m +CONFIG_LIBERTAS_SDIO=m +# CONFIG_LIBERTAS_DEBUG is not set +CONFIG_USB_ZD1201=m +# CONFIG_USB_NET_RNDIS_WLAN is not set +# CONFIG_IWLWIFI_LEDS is not set +CONFIG_HOSTAP=m +CONFIG_HOSTAP_FIRMWARE=y +CONFIG_HOSTAP_FIRMWARE_NVRAM=y + +# +# USB Network Adapters +# +CONFIG_USB_CATC=m +CONFIG_USB_KAWETH=m +CONFIG_USB_PEGASUS=m +CONFIG_USB_RTL8150=m +CONFIG_USB_USBNET=m +CONFIG_USB_NET_AX8817X=m +CONFIG_USB_NET_CDCETHER=m +CONFIG_USB_NET_DM9601=m +# CONFIG_USB_NET_SMSC95XX is not set +CONFIG_USB_NET_GL620A=m +CONFIG_USB_NET_NET1080=m +CONFIG_USB_NET_PLUSB=m +CONFIG_USB_NET_MCS7830=m +CONFIG_USB_NET_RNDIS_HOST=m +CONFIG_USB_NET_CDC_SUBSET=m +CONFIG_USB_ALI_M5632=y +CONFIG_USB_AN2720=y +CONFIG_USB_BELKIN=y +CONFIG_USB_ARMLINUX=y +CONFIG_USB_EPSON2888=y +CONFIG_USB_KC2190=y +# CONFIG_USB_NET_ZAURUS is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +CONFIG_INPUT_POLLDEV=m + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=m +CONFIG_INPUT_MOUSEDEV_PSAUX=y +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +CONFIG_INPUT_EVDEV=m +CONFIG_INPUT_EVBUG=m + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +CONFIG_KEYBOARD_ATKBD=y +CONFIG_KEYBOARD_SUNKBD=m +CONFIG_KEYBOARD_LKKBD=m +CONFIG_KEYBOARD_XTKBD=m +CONFIG_KEYBOARD_NEWTON=m +CONFIG_KEYBOARD_STOWAWAY=m +CONFIG_KEYBOARD_GPIO=m +CONFIG_INPUT_MOUSE=y +CONFIG_MOUSE_PS2=m +CONFIG_MOUSE_PS2_ALPS=y +CONFIG_MOUSE_PS2_LOGIPS2PP=y +CONFIG_MOUSE_PS2_SYNAPTICS=y +CONFIG_MOUSE_PS2_LIFEBOOK=y +CONFIG_MOUSE_PS2_TRACKPOINT=y +# CONFIG_MOUSE_PS2_ELANTECH is not set +# CONFIG_MOUSE_PS2_TOUCHKIT is not set +CONFIG_MOUSE_SERIAL=m +CONFIG_MOUSE_APPLETOUCH=m +# CONFIG_MOUSE_BCM5974 is not set +CONFIG_MOUSE_VSXXXAA=m +CONFIG_MOUSE_GPIO=m +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +CONFIG_INPUT_MISC=y +# CONFIG_INPUT_ATI_REMOTE is not set +# CONFIG_INPUT_ATI_REMOTE2 is not set +# CONFIG_INPUT_KEYSPAN_REMOTE is not set +# CONFIG_INPUT_POWERMATE is not set +# CONFIG_INPUT_YEALINK is not set +# CONFIG_INPUT_CM109 is not set +CONFIG_INPUT_UINPUT=m + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +CONFIG_SERIO_SERPORT=m +CONFIG_SERIO_LIBPS2=y +CONFIG_SERIO_RAW=m +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +CONFIG_VT_HW_CONSOLE_BINDING=y +CONFIG_DEVKMEM=y +CONFIG_SERIAL_NONSTANDARD=y +CONFIG_N_HDLC=m +# CONFIG_RISCOM8 is not set +CONFIG_SPECIALIX=m +CONFIG_RIO=m +# CONFIG_RIO_OLDPCI is not set +CONFIG_STALDRV=y + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_ATMEL=y +CONFIG_SERIAL_ATMEL_CONSOLE=y +CONFIG_SERIAL_ATMEL_PDC=y +# CONFIG_SERIAL_ATMEL_TTYAT is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +CONFIG_IPMI_HANDLER=m +# CONFIG_IPMI_PANIC_EVENT is not set +CONFIG_IPMI_DEVICE_INTERFACE=m +CONFIG_IPMI_SI=m +CONFIG_IPMI_WATCHDOG=m +CONFIG_IPMI_POWEROFF=m +CONFIG_HW_RANDOM=y +CONFIG_NVRAM=m +CONFIG_R3964=m +CONFIG_RAW_DRIVER=m +CONFIG_MAX_RAW_DEVS=256 +CONFIG_TCG_TPM=m +CONFIG_TCG_NSC=m +CONFIG_TCG_ATMEL=m +CONFIG_I2C=m +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=m +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +# CONFIG_I2C_GPIO is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +CONFIG_DS1682=m +# CONFIG_AT24 is not set +CONFIG_SENSORS_EEPROM=m +CONFIG_SENSORS_PCF8574=m +# CONFIG_PCF8575 is not set +# CONFIG_SENSORS_PCA9539 is not set +CONFIG_SENSORS_PCF8591=m +CONFIG_SENSORS_MAX6875=m +CONFIG_SENSORS_TSL2550=m +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +CONFIG_SPI=y +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_ATMEL=y +CONFIG_SPI_BITBANG=m + +# +# SPI Protocol Masters +# +CONFIG_SPI_AT25=m +CONFIG_SPI_SPIDEV=m +# CONFIG_SPI_TLE62X0 is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set +# CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y + +# +# Sonics Silicon Backplane +# +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_MFD_T7L66XB is not set +# CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_WM8400 is not set +# CONFIG_MFD_WM8350_I2C is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_VIDEO_MEDIA is not set + +# +# Multimedia drivers +# +# CONFIG_DAB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +CONFIG_SOUND=m +CONFIG_SOUND_OSS_CORE=y +CONFIG_SND=m +CONFIG_SND_TIMER=m +CONFIG_SND_PCM=m +CONFIG_SND_HWDEP=m +CONFIG_SND_RAWMIDI=m +CONFIG_SND_SEQUENCER=m +CONFIG_SND_SEQ_DUMMY=m +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=m +CONFIG_SND_PCM_OSS=m +# CONFIG_SND_PCM_OSS_PLUGINS is not set +CONFIG_SND_SEQUENCER_OSS=y +CONFIG_SND_DYNAMIC_MINORS=y +CONFIG_SND_SUPPORT_OLD_API=y +# CONFIG_SND_VERBOSE_PROCFS is not set +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +CONFIG_SND_DRIVERS=y +CONFIG_SND_DUMMY=m +CONFIG_SND_VIRMIDI=m +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set +CONFIG_SND_ARM=y +CONFIG_SND_SPI=y +# CONFIG_SND_AT73C213 is not set +CONFIG_SND_USB=y +CONFIG_SND_USB_AUDIO=m +CONFIG_SND_USB_CAIAQ=m +CONFIG_SND_USB_CAIAQ_INPUT=y +# CONFIG_SND_SOC is not set +# CONFIG_SOUND_PRIME is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=m +# CONFIG_HID_DEBUG is not set +CONFIG_HIDRAW=y + +# +# USB Input Devices +# +CONFIG_USB_HID=m +# CONFIG_HID_PID is not set +CONFIG_USB_HIDDEV=y + +# +# USB HID Boot Protocol drivers +# +CONFIG_USB_KBD=m +CONFIG_USB_MOUSE=m + +# +# Special HID drivers +# +CONFIG_HID_COMPAT=y +CONFIG_HID_A4TECH=m +CONFIG_HID_APPLE=m +CONFIG_HID_BELKIN=m +CONFIG_HID_BRIGHT=m +CONFIG_HID_CHERRY=m +CONFIG_HID_CHICONY=m +CONFIG_HID_CYPRESS=m +CONFIG_HID_DELL=m +CONFIG_HID_EZKEY=m +CONFIG_HID_GYRATION=m +CONFIG_HID_LOGITECH=m +# CONFIG_LOGITECH_FF is not set +# CONFIG_LOGIRUMBLEPAD2_FF is not set +CONFIG_HID_MICROSOFT=m +CONFIG_HID_MONTEREY=m +CONFIG_HID_PANTHERLORD=m +# CONFIG_PANTHERLORD_FF is not set +CONFIG_HID_PETALYNX=m +CONFIG_HID_SAMSUNG=m +CONFIG_HID_SONY=m +CONFIG_HID_SUNPLUS=m +# CONFIG_THRUSTMASTER_FF is not set +# CONFIG_ZEROPLUS_FF is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +# CONFIG_USB_ARCH_HAS_EHCI is not set +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +CONFIG_USB_DEVICEFS=y +# CONFIG_USB_DEVICE_CLASS is not set +CONFIG_USB_DYNAMIC_MINORS=y +# CONFIG_USB_OTG is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +CONFIG_USB_MON=y +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_HWA_HCD is not set +# CONFIG_USB_MUSB_HDRC is not set +# CONFIG_USB_GADGET_MUSB_HDRC is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set + +# +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; +# + +# +# see USB_STORAGE Help for more information +# +CONFIG_USB_STORAGE=m +# CONFIG_USB_STORAGE_DEBUG is not set +CONFIG_USB_STORAGE_DATAFAB=y +CONFIG_USB_STORAGE_FREECOM=y +CONFIG_USB_STORAGE_ISD200=y +CONFIG_USB_STORAGE_DPCM=y +CONFIG_USB_STORAGE_USBAT=y +CONFIG_USB_STORAGE_SDDR09=y +CONFIG_USB_STORAGE_SDDR55=y +CONFIG_USB_STORAGE_JUMPSHOT=y +CONFIG_USB_STORAGE_ALAUDA=y +# CONFIG_USB_STORAGE_ONETOUCH is not set +CONFIG_USB_STORAGE_KARMA=y +# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set +CONFIG_USB_LIBUSUAL=y + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set + +# +# USB port drivers +# +CONFIG_USB_SERIAL=m +CONFIG_USB_EZUSB=y +CONFIG_USB_SERIAL_GENERIC=y +# CONFIG_USB_SERIAL_AIRCABLE is not set +# CONFIG_USB_SERIAL_ARK3116 is not set +# CONFIG_USB_SERIAL_BELKIN is not set +# CONFIG_USB_SERIAL_CH341 is not set +# CONFIG_USB_SERIAL_WHITEHEAT is not set +# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set +# CONFIG_USB_SERIAL_CP2101 is not set +# CONFIG_USB_SERIAL_CYPRESS_M8 is not set +# CONFIG_USB_SERIAL_EMPEG is not set +# CONFIG_USB_SERIAL_FTDI_SIO is not set +# CONFIG_USB_SERIAL_FUNSOFT is not set +# CONFIG_USB_SERIAL_VISOR is not set +# CONFIG_USB_SERIAL_IPAQ is not set +# CONFIG_USB_SERIAL_IR is not set +# CONFIG_USB_SERIAL_EDGEPORT is not set +# CONFIG_USB_SERIAL_EDGEPORT_TI is not set +# CONFIG_USB_SERIAL_GARMIN is not set +# CONFIG_USB_SERIAL_IPW is not set +# CONFIG_USB_SERIAL_IUU is not set +# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set +# CONFIG_USB_SERIAL_KEYSPAN is not set +# CONFIG_USB_SERIAL_KLSI is not set +# CONFIG_USB_SERIAL_KOBIL_SCT is not set +# CONFIG_USB_SERIAL_MCT_U232 is not set +# CONFIG_USB_SERIAL_MOS7720 is not set +# CONFIG_USB_SERIAL_MOS7840 is not set +# CONFIG_USB_SERIAL_MOTOROLA is not set +# CONFIG_USB_SERIAL_NAVMAN is not set +CONFIG_USB_SERIAL_PL2303=m +# CONFIG_USB_SERIAL_OTI6858 is not set +CONFIG_USB_SERIAL_SPCP8X5=m +# CONFIG_USB_SERIAL_HP4X is not set +# CONFIG_USB_SERIAL_SAFE is not set +# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set +# CONFIG_USB_SERIAL_TI is not set +# CONFIG_USB_SERIAL_CYBERJACK is not set +# CONFIG_USB_SERIAL_XIRCOM is not set +# CONFIG_USB_SERIAL_OPTION is not set +# CONFIG_USB_SERIAL_OMNINET is not set +CONFIG_USB_SERIAL_DEBUG=m + +# +# USB Miscellaneous drivers +# +CONFIG_USB_EMI62=m +CONFIG_USB_EMI26=m +CONFIG_USB_ADUTUX=m +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_PHIDGET is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +CONFIG_USB_TEST=m +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set +CONFIG_USB_GADGET=m +CONFIG_USB_GADGET_DEBUG_FILES=y +CONFIG_USB_GADGET_DEBUG_FS=y +CONFIG_USB_GADGET_VBUS_DRAW=2 +CONFIG_USB_GADGET_SELECTED=y +CONFIG_USB_GADGET_AT91=y +CONFIG_USB_AT91=m +# CONFIG_USB_GADGET_ATMEL_USBA is not set +# CONFIG_USB_GADGET_FSL_USB2 is not set +# CONFIG_USB_GADGET_LH7A40X is not set +# CONFIG_USB_GADGET_OMAP is not set +# CONFIG_USB_GADGET_PXA25X is not set +# CONFIG_USB_GADGET_PXA27X is not set +# CONFIG_USB_GADGET_S3C2410 is not set +# CONFIG_USB_GADGET_M66592 is not set +# CONFIG_USB_GADGET_AMD5536UDC is not set +# CONFIG_USB_GADGET_FSL_QE is not set +# CONFIG_USB_GADGET_NET2280 is not set +# CONFIG_USB_GADGET_GOKU is not set +# CONFIG_USB_GADGET_DUMMY_HCD is not set +# CONFIG_USB_GADGET_DUALSPEED is not set +CONFIG_USB_ZERO=m +CONFIG_USB_ETH=m +CONFIG_USB_ETH_RNDIS=y +CONFIG_USB_GADGETFS=m +CONFIG_USB_FILE_STORAGE=m +# CONFIG_USB_FILE_STORAGE_TEST is not set +CONFIG_USB_G_SERIAL=m +CONFIG_USB_MIDI_GADGET=m +# CONFIG_USB_G_PRINTER is not set +# CONFIG_USB_CDC_COMPOSITE is not set +CONFIG_MMC=y +# CONFIG_MMC_DEBUG is not set +# CONFIG_MMC_UNSAFE_RESUME is not set + +# +# MMC/SD/SDIO Card Drivers +# +CONFIG_MMC_BLOCK=y +CONFIG_MMC_BLOCK_BOUNCE=y +CONFIG_SDIO_UART=m +# CONFIG_MMC_TEST is not set + +# +# MMC/SD/SDIO Host Controller Drivers +# +# CONFIG_MMC_SDHCI is not set +CONFIG_MMC_AT91=y +CONFIG_MMC_SPI=m +# CONFIG_MEMSTICK is not set +# CONFIG_ACCESSIBILITY is not set +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=m + +# +# LED drivers +# +# CONFIG_LEDS_PCA9532 is not set +CONFIG_LEDS_GPIO=m +# CONFIG_LEDS_PCA955X is not set + +# +# LED Triggers +# +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_TIMER=m +CONFIG_LEDS_TRIGGER_HEARTBEAT=m +# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set +# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +CONFIG_RTC_INTF_DEV_UIE_EMUL=y +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +CONFIG_RTC_DRV_DS1307=m +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_M41T94 is not set +CONFIG_RTC_DRV_DS1305=y +# CONFIG_RTC_DRV_DS1390 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set +# CONFIG_RTC_DRV_DS3234 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +# CONFIG_RTC_DRV_AT91SAM9 is not set +# CONFIG_DMADEVICES is not set +# CONFIG_REGULATOR is not set +# CONFIG_UIO is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT2_FS_POSIX_ACL=y +CONFIG_EXT2_FS_SECURITY=y +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +CONFIG_EXT3_FS_POSIX_ACL=y +CONFIG_EXT3_FS_SECURITY=y +# CONFIG_EXT4_FS is not set +CONFIG_JBD=y +CONFIG_JBD_DEBUG=y +CONFIG_FS_MBCACHE=y +CONFIG_REISERFS_FS=m +CONFIG_REISERFS_CHECK=y +CONFIG_REISERFS_PROC_INFO=y +CONFIG_REISERFS_FS_XATTR=y +CONFIG_REISERFS_FS_POSIX_ACL=y +CONFIG_REISERFS_FS_SECURITY=y +# CONFIG_JFS_FS is not set +CONFIG_FS_POSIX_ACL=y +CONFIG_FILE_LOCKING=y +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +CONFIG_FUSE_FS=m +CONFIG_GENERIC_ACL=y + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=m +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +CONFIG_NTFS_FS=m +# CONFIG_NTFS_DEBUG is not set +CONFIG_NTFS_RW=y + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +# CONFIG_HUGETLB_PAGE is not set +CONFIG_CONFIGFS_FS=m + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=m +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +CONFIG_JFFS2_COMPRESSION_OPTIONS=y +CONFIG_JFFS2_ZLIB=y +CONFIG_JFFS2_LZO=y +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +# CONFIG_JFFS2_CMODE_NONE is not set +# CONFIG_JFFS2_CMODE_PRIORITY is not set +# CONFIG_JFFS2_CMODE_SIZE is not set +CONFIG_JFFS2_CMODE_FAVOURLZO=y +# CONFIG_UBIFS_FS is not set +CONFIG_CRAMFS=m +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=m +CONFIG_NFS_V3=y +CONFIG_NFS_V3_ACL=y +CONFIG_NFS_V4=y +CONFIG_NFSD=m +CONFIG_NFSD_V2_ACL=y +CONFIG_NFSD_V3=y +CONFIG_NFSD_V3_ACL=y +CONFIG_NFSD_V4=y +CONFIG_LOCKD=m +CONFIG_LOCKD_V4=y +CONFIG_EXPORTFS=m +CONFIG_NFS_ACL_SUPPORT=m +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=m +CONFIG_SUNRPC_GSS=m +# CONFIG_SUNRPC_REGISTER_V4 is not set +CONFIG_RPCSEC_GSS_KRB5=m +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +CONFIG_CIFS=m +# CONFIG_CIFS_STATS is not set +CONFIG_CIFS_WEAK_PW_HASH=y +# CONFIG_CIFS_XATTR is not set +# CONFIG_CIFS_DEBUG2 is not set +# CONFIG_CIFS_EXPERIMENTAL is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +CONFIG_MAC_PARTITION=y +CONFIG_MSDOS_PARTITION=y +CONFIG_BSD_DISKLABEL=y +CONFIG_MINIX_SUBPARTITION=y +CONFIG_SOLARIS_X86_PARTITION=y +CONFIG_UNIXWARE_DISKLABEL=y +CONFIG_LDM_PARTITION=y +CONFIG_LDM_DEBUG=y +CONFIG_SGI_PARTITION=y +# CONFIG_ULTRIX_PARTITION is not set +CONFIG_SUN_PARTITION=y +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="cp437" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +CONFIG_NLS_CODEPAGE_850=m +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +CONFIG_NLS_ASCII=y +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +CONFIG_NLS_UTF8=m +CONFIG_DLM=m +# CONFIG_DLM_DEBUG is not set + +# +# Kernel hacking +# +CONFIG_PRINTK_TIME=y +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +CONFIG_UNUSED_SYMBOLS=y +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +# CONFIG_DEBUG_KERNEL is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +CONFIG_FRAME_POINTER=y +# CONFIG_RCU_CPU_STALL_DETECTOR is not set +# CONFIG_LATENCYTOP is not set +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_HAVE_FUNCTION_TRACER=y + +# +# Tracers +# +# CONFIG_DYNAMIC_PRINTK_DEBUG is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_DEBUG_USER is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +CONFIG_SECURITYFS=y +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +# CONFIG_CRYPTO_FIPS is not set +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_AEAD=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_RNG=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_GF128MUL=m +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=m +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +CONFIG_CRYPTO_ECB=m +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +CONFIG_CRYPTO_HMAC=y +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +CONFIG_CRYPTO_SHA1=m +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +CONFIG_CRYPTO_ARC4=m +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +CONFIG_CRYPTO_DES=m +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_LZO is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +CONFIG_CRC_CCITT=m +CONFIG_CRC16=m +# CONFIG_CRC_T10DIF is not set +CONFIG_CRC_ITU_T=m +CONFIG_CRC32=y +CONFIG_CRC7=m +CONFIG_LIBCRC32C=m +CONFIG_AUDIT_GENERIC=y +CONFIG_ZLIB_INFLATE=m +CONFIG_ZLIB_DEFLATE=m +CONFIG_LZO_COMPRESS=m +CONFIG_LZO_DECOMPRESS=m +CONFIG_REED_SOLOMON=m +CONFIG_REED_SOLOMON_DEC16=y +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/arm/configs/omap_4430sdp_defconfig b/arch/arm/configs/omap_4430sdp_defconfig index 3de640a..c48d7b8 100644 --- a/arch/arm/configs/omap_4430sdp_defconfig +++ b/arch/arm/configs/omap_4430sdp_defconfig @@ -242,10 +242,13 @@ CONFIG_CPU_CP15_MMU=y # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_HAS_TLS_REG=y +CONFIG_OUTER_CACHE=y +CONFIG_CACHE_L2X0=y CONFIG_ARM_L1_CACHE_SHIFT=5 # CONFIG_ARM_ERRATA_430973 is not set # CONFIG_ARM_ERRATA_458693 is not set # CONFIG_ARM_ERRATA_460075 is not set +CONFIG_PL310_ERRATA_588369=y CONFIG_ARM_GIC=y # diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h index d0daeab..e8ddec2 100644 --- a/arch/arm/include/asm/atomic.h +++ b/arch/arm/include/asm/atomic.h @@ -235,6 +235,234 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) #define smp_mb__before_atomic_inc() smp_mb() #define smp_mb__after_atomic_inc() smp_mb() +#ifndef CONFIG_GENERIC_ATOMIC64 +typedef struct { + u64 __aligned(8) counter; +} atomic64_t; + +#define ATOMIC64_INIT(i) { (i) } + +static inline u64 atomic64_read(atomic64_t *v) +{ + u64 result; + + __asm__ __volatile__("@ atomic64_read\n" +" ldrexd %0, %H0, [%1]" + : "=&r" (result) + : "r" (&v->counter) + ); + + return result; +} + +static inline void atomic64_set(atomic64_t *v, u64 i) +{ + u64 tmp; + + __asm__ __volatile__("@ atomic64_set\n" +"1: ldrexd %0, %H0, [%1]\n" +" strexd %0, %2, %H2, [%1]\n" +" teq %0, #0\n" +" bne 1b" + : "=&r" (tmp) + : "r" (&v->counter), "r" (i) + : "cc"); +} + +static inline void atomic64_add(u64 i, atomic64_t *v) +{ + u64 result; + unsigned long tmp; + + __asm__ __volatile__("@ atomic64_add\n" +"1: ldrexd %0, %H0, [%2]\n" +" adds %0, %0, %3\n" +" adc %H0, %H0, %H3\n" +" strexd %1, %0, %H0, [%2]\n" +" teq %1, #0\n" +" bne 1b" + : "=&r" (result), "=&r" (tmp) + : "r" (&v->counter), "r" (i) + : "cc"); +} + +static inline u64 atomic64_add_return(u64 i, atomic64_t *v) +{ + u64 result; + unsigned long tmp; + + smp_mb(); + + __asm__ __volatile__("@ atomic64_add_return\n" +"1: ldrexd %0, %H0, [%2]\n" +" adds %0, %0, %3\n" +" adc %H0, %H0, %H3\n" +" strexd %1, %0, %H0, [%2]\n" +" teq %1, #0\n" +" bne 1b" + : "=&r" (result), "=&r" (tmp) + : "r" (&v->counter), "r" (i) + : "cc"); + + smp_mb(); + + return result; +} + +static inline void atomic64_sub(u64 i, atomic64_t *v) +{ + u64 result; + unsigned long tmp; + + __asm__ __volatile__("@ atomic64_sub\n" +"1: ldrexd %0, %H0, [%2]\n" +" subs %0, %0, %3\n" +" sbc %H0, %H0, %H3\n" +" strexd %1, %0, %H0, [%2]\n" +" teq %1, #0\n" +" bne 1b" + : "=&r" (result), "=&r" (tmp) + : "r" (&v->counter), "r" (i) + : "cc"); +} + +static inline u64 atomic64_sub_return(u64 i, atomic64_t *v) +{ + u64 result; + unsigned long tmp; + + smp_mb(); + + __asm__ __volatile__("@ atomic64_sub_return\n" +"1: ldrexd %0, %H0, [%2]\n" +" subs %0, %0, %3\n" +" sbc %H0, %H0, %H3\n" +" strexd %1, %0, %H0, [%2]\n" +" teq %1, #0\n" +" bne 1b" + : "=&r" (result), "=&r" (tmp) + : "r" (&v->counter), "r" (i) + : "cc"); + + smp_mb(); + + return result; +} + +static inline u64 atomic64_cmpxchg(atomic64_t *ptr, u64 old, u64 new) +{ + u64 oldval; + unsigned long res; + + smp_mb(); + + do { + __asm__ __volatile__("@ atomic64_cmpxchg\n" + "ldrexd %1, %H1, [%2]\n" + "mov %0, #0\n" + "teq %1, %3\n" + "teqeq %H1, %H3\n" + "strexdeq %0, %4, %H4, [%2]" + : "=&r" (res), "=&r" (oldval) + : "r" (&ptr->counter), "r" (old), "r" (new) + : "cc"); + } while (res); + + smp_mb(); + + return oldval; +} + +static inline u64 atomic64_xchg(atomic64_t *ptr, u64 new) +{ + u64 result; + unsigned long tmp; + + smp_mb(); + + __asm__ __volatile__("@ atomic64_xchg\n" +"1: ldrexd %0, %H0, [%2]\n" +" strexd %1, %3, %H3, [%2]\n" +" teq %1, #0\n" +" bne 1b" + : "=&r" (result), "=&r" (tmp) + : "r" (&ptr->counter), "r" (new) + : "cc"); + + smp_mb(); + + return result; +} + +static inline u64 atomic64_dec_if_positive(atomic64_t *v) +{ + u64 result; + unsigned long tmp; + + smp_mb(); + + __asm__ __volatile__("@ atomic64_dec_if_positive\n" +"1: ldrexd %0, %H0, [%2]\n" +" subs %0, %0, #1\n" +" sbc %H0, %H0, #0\n" +" teq %H0, #0\n" +" bmi 2f\n" +" strexd %1, %0, %H0, [%2]\n" +" teq %1, #0\n" +" bne 1b\n" +"2:" + : "=&r" (result), "=&r" (tmp) + : "r" (&v->counter) + : "cc"); + + smp_mb(); + + return result; +} + +static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 u) +{ + u64 val; + unsigned long tmp; + int ret = 1; + + smp_mb(); + + __asm__ __volatile__("@ atomic64_add_unless\n" +"1: ldrexd %0, %H0, [%3]\n" +" teq %0, %4\n" +" teqeq %H0, %H4\n" +" moveq %1, #0\n" +" beq 2f\n" +" adds %0, %0, %5\n" +" adc %H0, %H0, %H5\n" +" strexd %2, %0, %H0, [%3]\n" +" teq %2, #0\n" +" bne 1b\n" +"2:" + : "=&r" (val), "=&r" (ret), "=&r" (tmp) + : "r" (&v->counter), "r" (u), "r" (a) + : "cc"); + + if (ret) + smp_mb(); + + return ret; +} + +#define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) +#define atomic64_inc(v) atomic64_add(1LL, (v)) +#define atomic64_inc_return(v) atomic64_add_return(1LL, (v)) +#define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) +#define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0) +#define atomic64_dec(v) atomic64_sub(1LL, (v)) +#define atomic64_dec_return(v) atomic64_sub_return(1LL, (v)) +#define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) + +#else /* !CONFIG_GENERIC_ATOMIC64 */ +#include <asm-generic/atomic64.h> +#endif #include <asm-generic/atomic-long.h> #endif #endif diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 5fe4a2a..72da7e0 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -197,21 +197,6 @@ * DMA Cache Coherency * =================== * - * dma_inv_range(start, end) - * - * Invalidate (discard) the specified virtual address range. - * May not write back any entries. If 'start' or 'end' - * are not cache line aligned, those lines must be written - * back. - * - start - virtual start address - * - end - virtual end address - * - * dma_clean_range(start, end) - * - * Clean (write back) the specified virtual address range. - * - start - virtual start address - * - end - virtual end address - * * dma_flush_range(start, end) * * Clean and invalidate the specified virtual address range. @@ -228,8 +213,9 @@ struct cpu_cache_fns { void (*coherent_user_range)(unsigned long, unsigned long); void (*flush_kern_dcache_area)(void *, size_t); - void (*dma_inv_range)(const void *, const void *); - void (*dma_clean_range)(const void *, const void *); + void (*dma_map_area)(const void *, size_t, int); + void (*dma_unmap_area)(const void *, size_t, int); + void (*dma_flush_range)(const void *, const void *); }; @@ -259,8 +245,8 @@ extern struct cpu_cache_fns cpu_cache; * is visible to DMA, or data written by DMA to system memory is * visible to the CPU. */ -#define dmac_inv_range cpu_cache.dma_inv_range -#define dmac_clean_range cpu_cache.dma_clean_range +#define dmac_map_area cpu_cache.dma_map_area +#define dmac_unmap_area cpu_cache.dma_unmap_area #define dmac_flush_range cpu_cache.dma_flush_range #else @@ -285,12 +271,12 @@ extern void __cpuc_flush_dcache_area(void *, size_t); * is visible to DMA, or data written by DMA to system memory is * visible to the CPU. */ -#define dmac_inv_range __glue(_CACHE,_dma_inv_range) -#define dmac_clean_range __glue(_CACHE,_dma_clean_range) +#define dmac_map_area __glue(_CACHE,_dma_map_area) +#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area) #define dmac_flush_range __glue(_CACHE,_dma_flush_range) -extern void dmac_inv_range(const void *, const void *); -extern void dmac_clean_range(const void *, const void *); +extern void dmac_map_area(const void *, size_t, int); +extern void dmac_unmap_area(const void *, size_t, int); extern void dmac_flush_range(const void *, const void *); #endif @@ -331,12 +317,8 @@ static inline void outer_flush_range(unsigned long start, unsigned long end) * processes address space. Really, we want to allow our "user * space" model to handle this. */ -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ - do { \ - memcpy(dst, src, len); \ - flush_ptrace_access(vma, page, vaddr, dst, len, 1);\ - } while (0) - +extern void copy_to_user_page(struct vm_area_struct *, struct page *, + unsigned long, void *, const void *, unsigned long); #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ do { \ memcpy(dst, src, len); \ @@ -370,17 +352,6 @@ vivt_flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsig } } -static inline void -vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page, - unsigned long uaddr, void *kaddr, - unsigned long len, int write) -{ - if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) { - unsigned long addr = (unsigned long)kaddr; - __cpuc_coherent_kern_range(addr, addr + len); - } -} - #ifndef CONFIG_CPU_CACHE_VIPT #define flush_cache_mm(mm) \ vivt_flush_cache_mm(mm) @@ -388,15 +359,10 @@ vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page, vivt_flush_cache_range(vma,start,end) #define flush_cache_page(vma,addr,pfn) \ vivt_flush_cache_page(vma,addr,pfn) -#define flush_ptrace_access(vma,page,ua,ka,len,write) \ - vivt_flush_ptrace_access(vma,page,ua,ka,len,write) #else extern void flush_cache_mm(struct mm_struct *mm); extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn); -extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, - unsigned long uaddr, void *kaddr, - unsigned long len, int write); #endif #define flush_cache_dup_mm(mm) flush_cache_mm(mm) diff --git a/arch/arm/include/asm/clkdev.h b/arch/arm/include/asm/clkdev.h index b6ec7c6..7a0690d 100644 --- a/arch/arm/include/asm/clkdev.h +++ b/arch/arm/include/asm/clkdev.h @@ -27,4 +27,7 @@ struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, void clkdev_add(struct clk_lookup *cl); void clkdev_drop(struct clk_lookup *cl); +void clkdev_add_table(struct clk_lookup *, size_t); +int clk_add_alias(const char *, const char *, char *, struct device *); + #endif diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index a96300b..256ee1c 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -57,18 +57,58 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr) #endif /* - * DMA-consistent mapping functions. These allocate/free a region of - * uncached, unwrite-buffered mapped memory space for use with DMA - * devices. This is the "generic" version. The PCI specific version - * is in pci.h + * The DMA API is built upon the notion of "buffer ownership". A buffer + * is either exclusively owned by the CPU (and therefore may be accessed + * by it) or exclusively owned by the DMA device. These helper functions + * represent the transitions between these two ownership states. * - * Note: Drivers should NOT use this function directly, as it will break - * platforms with CONFIG_DMABOUNCE. - * Use the driver DMA support - see dma-mapping.h (dma_sync_*) + * Note, however, that on later ARMs, this notion does not work due to + * speculative prefetches. We model our approach on the assumption that + * the CPU does do speculative prefetches, which means we clean caches + * before transfers and delay cache invalidation until transfer completion. + * + * Private support functions: these are not part of the API and are + * liable to change. Drivers must not use these. */ -extern void dma_cache_maint(const void *kaddr, size_t size, int rw); -extern void dma_cache_maint_page(struct page *page, unsigned long offset, - size_t size, int rw); +static inline void __dma_single_cpu_to_dev(const void *kaddr, size_t size, + enum dma_data_direction dir) +{ + extern void ___dma_single_cpu_to_dev(const void *, size_t, + enum dma_data_direction); + + if (!arch_is_coherent()) + ___dma_single_cpu_to_dev(kaddr, size, dir); +} + +static inline void __dma_single_dev_to_cpu(const void *kaddr, size_t size, + enum dma_data_direction dir) +{ + extern void ___dma_single_dev_to_cpu(const void *, size_t, + enum dma_data_direction); + + if (!arch_is_coherent()) + ___dma_single_dev_to_cpu(kaddr, size, dir); +} + +static inline void __dma_page_cpu_to_dev(struct page *page, unsigned long off, + size_t size, enum dma_data_direction dir) +{ + extern void ___dma_page_cpu_to_dev(struct page *, unsigned long, + size_t, enum dma_data_direction); + + if (!arch_is_coherent()) + ___dma_page_cpu_to_dev(page, off, size, dir); +} + +static inline void __dma_page_dev_to_cpu(struct page *page, unsigned long off, + size_t size, enum dma_data_direction dir) +{ + extern void ___dma_page_dev_to_cpu(struct page *, unsigned long, + size_t, enum dma_data_direction); + + if (!arch_is_coherent()) + ___dma_page_dev_to_cpu(page, off, size, dir); +} /* * Return whether the given device DMA address mask can be supported @@ -304,8 +344,7 @@ static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, { BUG_ON(!valid_dma_direction(dir)); - if (!arch_is_coherent()) - dma_cache_maint(cpu_addr, size, dir); + __dma_single_cpu_to_dev(cpu_addr, size, dir); return virt_to_dma(dev, cpu_addr); } @@ -329,8 +368,7 @@ static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, { BUG_ON(!valid_dma_direction(dir)); - if (!arch_is_coherent()) - dma_cache_maint_page(page, offset, size, dir); + __dma_page_cpu_to_dev(page, offset, size, dir); return page_to_dma(dev, page) + offset; } @@ -352,7 +390,7 @@ static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, static inline void dma_unmap_single(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir) { - /* nothing to do */ + __dma_single_dev_to_cpu(dma_to_virt(dev, handle), size, dir); } /** @@ -372,7 +410,8 @@ static inline void dma_unmap_single(struct device *dev, dma_addr_t handle, static inline void dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir) { - /* nothing to do */ + __dma_page_dev_to_cpu(dma_to_page(dev, handle), handle & ~PAGE_MASK, + size, dir); } #endif /* CONFIG_DMABOUNCE */ @@ -400,7 +439,10 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev, { BUG_ON(!valid_dma_direction(dir)); - dmabounce_sync_for_cpu(dev, handle, offset, size, dir); + if (!dmabounce_sync_for_cpu(dev, handle, offset, size, dir)) + return; + + __dma_single_dev_to_cpu(dma_to_virt(dev, handle) + offset, size, dir); } static inline void dma_sync_single_range_for_device(struct device *dev, @@ -412,8 +454,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev, if (!dmabounce_sync_for_device(dev, handle, offset, size, dir)) return; - if (!arch_is_coherent()) - dma_cache_maint(dma_to_virt(dev, handle) + offset, size, dir); + __dma_single_cpu_to_dev(dma_to_virt(dev, handle) + offset, size, dir); } static inline void dma_sync_single_for_cpu(struct device *dev, diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index d2a59cf..c980156 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -69,9 +69,16 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); /* * __arm_ioremap takes CPU physical address. * __arm_ioremap_pfn takes a Page Frame Number and an offset into that page + * The _caller variety takes a __builtin_return_address(0) value for + * /proc/vmalloc to use - and should only be used in non-inline functions. */ -extern void __iomem * __arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int); -extern void __iomem * __arm_ioremap(unsigned long, size_t, unsigned int); +extern void __iomem *__arm_ioremap_pfn_caller(unsigned long, unsigned long, + size_t, unsigned int, void *); +extern void __iomem *__arm_ioremap_caller(unsigned long, size_t, unsigned int, + void *); + +extern void __iomem *__arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int); +extern void __iomem *__arm_ioremap(unsigned long, size_t, unsigned int); extern void __iounmap(volatile void __iomem *addr); /* diff --git a/arch/arm/include/asm/mach/time.h b/arch/arm/include/asm/mach/time.h index b2cc1fc..8bffc3f 100644 --- a/arch/arm/include/asm/mach/time.h +++ b/arch/arm/include/asm/mach/time.h @@ -46,12 +46,4 @@ struct sys_timer { extern struct sys_timer *system_timer; extern void timer_tick(void); -/* - * Kernel time keeping support. - */ -struct timespec; -extern int (*set_rtc)(void); -extern void save_time_delta(struct timespec *delta, struct timespec *rtc); -extern void restore_time_delta(struct timespec *delta, struct timespec *rtc); - #endif diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 5421d82..4312ee5 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -76,6 +76,17 @@ */ #define IOREMAP_MAX_ORDER 24 +/* + * Size of DMA-consistent memory region. Must be multiple of 2M, + * between 2MB and 14MB inclusive. + */ +#ifndef CONSISTENT_DMA_SIZE +#define CONSISTENT_DMA_SIZE SZ_2M +#endif + +#define CONSISTENT_END (0xffe00000UL) +#define CONSISTENT_BASE (CONSISTENT_END - CONSISTENT_DMA_SIZE) + #else /* CONFIG_MMU */ /* @@ -93,11 +104,11 @@ #endif #ifndef PHYS_OFFSET -#define PHYS_OFFSET (CONFIG_DRAM_BASE) +#define PHYS_OFFSET UL(CONFIG_DRAM_BASE) #endif #ifndef END_MEM -#define END_MEM (CONFIG_DRAM_BASE + CONFIG_DRAM_SIZE) +#define END_MEM (UL(CONFIG_DRAM_BASE) + CONFIG_DRAM_SIZE) #endif #ifndef PAGE_OFFSET @@ -113,14 +124,6 @@ #endif /* !CONFIG_MMU */ /* - * Size of DMA-consistent memory region. Must be multiple of 2M, - * between 2MB and 14MB inclusive. - */ -#ifndef CONSISTENT_DMA_SIZE -#define CONSISTENT_DMA_SIZE SZ_2M -#endif - -/* * Physical vs virtual RAM address space conversion. These are * private definitions which should NOT be used outside memory.h * files. Use virt_to_phys/phys_to_virt/__pa/__va instead. diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h index b561584..68870c7 100644 --- a/arch/arm/include/asm/mmu.h +++ b/arch/arm/include/asm/mmu.h @@ -6,6 +6,7 @@ typedef struct { #ifdef CONFIG_CPU_HAS_ASID unsigned int id; + spinlock_t id_lock; #endif unsigned int kvm_seq; } mm_context_t; diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h index de6cefb..a0b3cac 100644 --- a/arch/arm/include/asm/mmu_context.h +++ b/arch/arm/include/asm/mmu_context.h @@ -43,12 +43,23 @@ void __check_kvm_seq(struct mm_struct *mm); #define ASID_FIRST_VERSION (1 << ASID_BITS) extern unsigned int cpu_last_asid; +#ifdef CONFIG_SMP +DECLARE_PER_CPU(struct mm_struct *, current_mm); +#endif void __init_new_context(struct task_struct *tsk, struct mm_struct *mm); void __new_context(struct mm_struct *mm); static inline void check_context(struct mm_struct *mm) { + /* + * This code is executed with interrupts enabled. Therefore, + * mm->context.id cannot be updated to the latest ASID version + * on a different CPU (and condition below not triggered) + * without first getting an IPI to reset the context. The + * alternative is to take a read_lock on mm->context.id_lock + * (after changing its type to rwlock_t). + */ if (unlikely((mm->context.id ^ cpu_last_asid) >> ASID_BITS)) __new_context(mm); @@ -108,6 +119,10 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next, __flush_icache_all(); #endif if (!cpumask_test_and_set_cpu(cpu, mm_cpumask(next)) || prev != next) { +#ifdef CONFIG_SMP + struct mm_struct **crt_mm = &per_cpu(current_mm, cpu); + *crt_mm = next; +#endif check_context(next); cpu_switch_mm(next->pgd, next); if (cache_is_vivt()) diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h index 3a32af4..a485ac3 100644 --- a/arch/arm/include/asm/page.h +++ b/arch/arm/include/asm/page.h @@ -117,11 +117,12 @@ #endif struct page; +struct vm_area_struct; struct cpu_user_fns { void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr); void (*cpu_copy_user_highpage)(struct page *to, struct page *from, - unsigned long vaddr); + unsigned long vaddr, struct vm_area_struct *vma); }; #ifdef MULTI_USER @@ -137,7 +138,7 @@ extern struct cpu_user_fns cpu_user; extern void __cpu_clear_user_highpage(struct page *page, unsigned long vaddr); extern void __cpu_copy_user_highpage(struct page *to, struct page *from, - unsigned long vaddr); + unsigned long vaddr, struct vm_area_struct *vma); #endif #define clear_user_highpage(page,vaddr) \ @@ -145,7 +146,7 @@ extern void __cpu_copy_user_highpage(struct page *to, struct page *from, #define __HAVE_ARCH_COPY_USER_HIGHPAGE #define copy_user_highpage(to,from,vaddr,vma) \ - __cpu_copy_user_highpage(to, from, vaddr) + __cpu_copy_user_highpage(to, from, vaddr, vma) #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) extern void copy_page(void *to, const void *from); diff --git a/arch/arm/include/asm/perf_event.h b/arch/arm/include/asm/perf_event.h new file mode 100644 index 0000000..49e3049 --- /dev/null +++ b/arch/arm/include/asm/perf_event.h @@ -0,0 +1,31 @@ +/* + * linux/arch/arm/include/asm/perf_event.h + * + * Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles + * + * 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. + * + */ + +#ifndef __ARM_PERF_EVENT_H__ +#define __ARM_PERF_EVENT_H__ + +/* + * NOP: on *most* (read: all supported) ARM platforms, the performance + * counter interrupts are regular interrupts and not an NMI. This + * means that when we receive the interrupt we can call + * perf_event_do_pending() that handles all of the work with + * interrupts enabled. + */ +static inline void +set_perf_event_pending(void) +{ +} + +/* ARM performance counters start from 1 (in the cp15 accesses) so use the + * same indexes here for consistency. */ +#define PERF_EVENT_INDEX_OFFSET 1 + +#endif /* __ARM_PERF_EVENT_H__ */ diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h index b011f2e..013cfcd 100644 --- a/arch/arm/include/asm/pgtable-nommu.h +++ b/arch/arm/include/asm/pgtable-nommu.h @@ -86,8 +86,8 @@ extern unsigned int kobjsize(const void *objp); * All 32bit addresses are effectively valid for vmalloc... * Sort of meaningless for non-VM targets. */ -#define VMALLOC_START 0 -#define VMALLOC_END 0xffffffff +#define VMALLOC_START 0UL +#define VMALLOC_END 0xffffffffUL #define FIRST_USER_ADDRESS (0) diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h new file mode 100644 index 0000000..2829b9f --- /dev/null +++ b/arch/arm/include/asm/pmu.h @@ -0,0 +1,75 @@ +/* + * linux/arch/arm/include/asm/pmu.h + * + * Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles + * + * 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. + * + */ + +#ifndef __ARM_PMU_H__ +#define __ARM_PMU_H__ + +#ifdef CONFIG_CPU_HAS_PMU + +struct pmu_irqs { + const int *irqs; + int num_irqs; +}; + +/** + * reserve_pmu() - reserve the hardware performance counters + * + * Reserve the hardware performance counters in the system for exclusive use. + * The 'struct pmu_irqs' for the system is returned on success, ERR_PTR() + * encoded error on failure. + */ +extern const struct pmu_irqs * +reserve_pmu(void); + +/** + * release_pmu() - Relinquish control of the performance counters + * + * Release the performance counters and allow someone else to use them. + * Callers must have disabled the counters and released IRQs before calling + * this. The 'struct pmu_irqs' returned from reserve_pmu() must be passed as + * a cookie. + */ +extern int +release_pmu(const struct pmu_irqs *irqs); + +/** + * init_pmu() - Initialise the PMU. + * + * Initialise the system ready for PMU enabling. This should typically set the + * IRQ affinity and nothing else. The users (oprofile/perf events etc) will do + * the actual hardware initialisation. + */ +extern int +init_pmu(void); + +#else /* CONFIG_CPU_HAS_PMU */ + +static inline const struct pmu_irqs * +reserve_pmu(void) +{ + return ERR_PTR(-ENODEV); +} + +static inline int +release_pmu(const struct pmu_irqs *irqs) +{ + return -ENODEV; +} + +static inline int +init_pmu(void) +{ + return -ENODEV; +} + +#endif /* CONFIG_CPU_HAS_PMU */ + +#endif /* __ARM_PMU_H__ */ diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h index 5ccce0a..f392fb4 100644 --- a/arch/arm/include/asm/setup.h +++ b/arch/arm/include/asm/setup.h @@ -223,18 +223,6 @@ extern struct meminfo meminfo; #define bank_phys_end(bank) ((bank)->start + (bank)->size) #define bank_phys_size(bank) (bank)->size -/* - * Early command line parameters. - */ -struct early_params { - const char *arg; - void (*fn)(char **p); -}; - -#define __early_param(name,fn) \ -static struct early_params __early_##fn __used \ -__attribute__((__section__(".early_param.init"))) = { name, fn } - #endif /* __KERNEL__ */ #endif diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h index 59303e2..e621530 100644 --- a/arch/arm/include/asm/smp_plat.h +++ b/arch/arm/include/asm/smp_plat.h @@ -13,4 +13,9 @@ static inline int tlb_ops_need_broadcast(void) return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 2; } +static inline int cache_ops_need_broadcast(void) +{ + return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 1; +} + #endif diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h index c91c64c..17eb355 100644 --- a/arch/arm/include/asm/spinlock.h +++ b/arch/arm/include/asm/spinlock.h @@ -5,6 +5,22 @@ #error SMP not supported on pre-ARMv6 CPUs #endif +static inline void dsb_sev(void) +{ +#if __LINUX_ARM_ARCH__ >= 7 + __asm__ __volatile__ ( + "dsb\n" + "sev" + ); +#elif defined(CONFIG_CPU_32v6K) + __asm__ __volatile__ ( + "mcr p15, 0, %0, c7, c10, 4\n" + "sev" + : : "r" (0) + ); +#endif +} + /* * ARMv6 Spin-locking. * @@ -69,13 +85,11 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) __asm__ __volatile__( " str %1, [%0]\n" -#ifdef CONFIG_CPU_32v6K -" mcr p15, 0, %1, c7, c10, 4\n" /* DSB */ -" sev" -#endif : : "r" (&lock->lock), "r" (0) : "cc"); + + dsb_sev(); } /* @@ -132,13 +146,11 @@ static inline void arch_write_unlock(arch_rwlock_t *rw) __asm__ __volatile__( "str %1, [%0]\n" -#ifdef CONFIG_CPU_32v6K -" mcr p15, 0, %1, c7, c10, 4\n" /* DSB */ -" sev\n" -#endif : : "r" (&rw->lock), "r" (0) : "cc"); + + dsb_sev(); } /* write_can_lock - would write_trylock() succeed? */ @@ -188,14 +200,12 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) " strex %1, %0, [%2]\n" " teq %1, #0\n" " bne 1b" -#ifdef CONFIG_CPU_32v6K -"\n cmp %0, #0\n" -" mcreq p15, 0, %0, c7, c10, 4\n" -" seveq" -#endif : "=&r" (tmp), "=&r" (tmp2) : "r" (&rw->lock) : "cc"); + + if (tmp == 0) + dsb_sev(); } static inline int arch_read_trylock(arch_rwlock_t *rw) diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 058e7e9..ca88e6a 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -73,8 +73,7 @@ extern unsigned int mem_fclk_21285; struct pt_regs; -void die(const char *msg, struct pt_regs *regs, int err) - __attribute__((noreturn)); +void die(const char *msg, struct pt_regs *regs, int err); struct siginfo; void arm_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info, diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index 2dfb7d7..b74970e 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -115,7 +115,8 @@ extern void iwmmxt_task_restore(struct thread_info *, void *); extern void iwmmxt_task_release(struct thread_info *); extern void iwmmxt_task_switch(struct thread_info *); -extern void vfp_sync_state(struct thread_info *thread); +extern void vfp_sync_hwstate(struct thread_info *); +extern void vfp_flush_hwstate(struct thread_info *); #endif diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h index c2f1605..e085e2c 100644 --- a/arch/arm/include/asm/tlbflush.h +++ b/arch/arm/include/asm/tlbflush.h @@ -529,7 +529,8 @@ extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); * cache entries for the kernels virtual memory range are written * back to the page. */ -extern void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte); +extern void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep); #endif diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index dd00f74..26d302c 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -17,6 +17,7 @@ obj-y := compat.o elf.o entry-armv.o entry-common.o irq.o \ process.o ptrace.o return_address.o setup.o signal.o \ sys_arm.o stacktrace.o time.o traps.o +obj-$(CONFIG_LEDS) += leds.o obj-$(CONFIG_OC_ETM) += etm.o obj-$(CONFIG_ISA_DMA_API) += dma.o @@ -46,6 +47,8 @@ obj-$(CONFIG_CPU_XSCALE) += xscale-cp0.o obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o obj-$(CONFIG_CPU_MOHAWK) += xscale-cp0.o obj-$(CONFIG_IWMMXT) += iwmmxt.o +obj-$(CONFIG_CPU_HAS_PMU) += pmu.o +obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o AFLAGS_iwmmxt.o := -Wa,-mcpu=iwmmxt ifneq ($(CONFIG_ARCH_EBSA110),y) diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index 4a88125..8835115 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -12,6 +12,7 @@ */ #include <linux/sched.h> #include <linux/mm.h> +#include <linux/dma-mapping.h> #include <asm/mach/arch.h> #include <asm/thread_info.h> #include <asm/memory.h> @@ -112,5 +113,9 @@ int main(void) #ifdef MULTI_PABORT DEFINE(PROCESSOR_PABT_FUNC, offsetof(struct processor, _prefetch_abort)); #endif + BLANK(); + DEFINE(DMA_BIDIRECTIONAL, DMA_BIDIRECTIONAL); + DEFINE(DMA_TO_DEVICE, DMA_TO_DEVICE); + DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE); return 0; } diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index 5c91add..a38b487 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -24,7 +24,7 @@ #if defined(CONFIG_CPU_V6) - .macro addruart, rx + .macro addruart, rx, tmp .endm .macro senduart, rd, rx @@ -51,7 +51,7 @@ #elif defined(CONFIG_CPU_V7) - .macro addruart, rx + .macro addruart, rx, tmp .endm .macro senduart, rd, rx @@ -71,7 +71,7 @@ wait: mrc p14, 0, pc, c0, c1, 0 #elif defined(CONFIG_CPU_XSCALE) - .macro addruart, rx + .macro addruart, rx, tmp .endm .macro senduart, rd, rx @@ -98,7 +98,7 @@ wait: mrc p14, 0, pc, c0, c1, 0 #else - .macro addruart, rx + .macro addruart, rx, tmp .endm .macro senduart, rd, rx @@ -164,7 +164,7 @@ ENDPROC(printhex2) .ltorg ENTRY(printascii) - addruart r3 + addruart r3, r1 b 2f 1: waituart r2, r3 senduart r1, r3 @@ -180,7 +180,7 @@ ENTRY(printascii) ENDPROC(printascii) ENTRY(printch) - addruart r3 + addruart r3, r1 mov r1, r0 mov r0, #0 b 1b diff --git a/arch/arm/kernel/leds.c b/arch/arm/kernel/leds.c new file mode 100644 index 0000000..31a316c --- /dev/null +++ b/arch/arm/kernel/leds.c @@ -0,0 +1,115 @@ +/* + * LED support code, ripped out of arch/arm/kernel/time.c + * + * Copyright (C) 1994-2001 Russell King + * + * 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/module.h> +#include <linux/init.h> +#include <linux/sysdev.h> + +#include <asm/leds.h> + +static void dummy_leds_event(led_event_t evt) +{ +} + +void (*leds_event)(led_event_t) = dummy_leds_event; + +struct leds_evt_name { + const char name[8]; + int on; + int off; +}; + +static const struct leds_evt_name evt_names[] = { + { "amber", led_amber_on, led_amber_off }, + { "blue", led_blue_on, led_blue_off }, + { "green", led_green_on, led_green_off }, + { "red", led_red_on, led_red_off }, +}; + +static ssize_t leds_store(struct sys_device *dev, + struct sysdev_attribute *attr, + const char *buf, size_t size) +{ + int ret = -EINVAL, len = strcspn(buf, " "); + + if (len > 0 && buf[len] == '\0') + len--; + + if (strncmp(buf, "claim", len) == 0) { + leds_event(led_claim); + ret = size; + } else if (strncmp(buf, "release", len) == 0) { + leds_event(led_release); + ret = size; + } else { + int i; + + for (i = 0; i < ARRAY_SIZE(evt_names); i++) { + if (strlen(evt_names[i].name) != len || + strncmp(buf, evt_names[i].name, len) != 0) + continue; + if (strncmp(buf+len, " on", 3) == 0) { + leds_event(evt_names[i].on); + ret = size; + } else if (strncmp(buf+len, " off", 4) == 0) { + leds_event(evt_names[i].off); + ret = size; + } + break; + } + } + return ret; +} + +static SYSDEV_ATTR(event, 0200, NULL, leds_store); + +static int leds_suspend(struct sys_device *dev, pm_message_t state) +{ + leds_event(led_stop); + return 0; +} + +static int leds_resume(struct sys_device *dev) +{ + leds_event(led_start); + return 0; +} + +static int leds_shutdown(struct sys_device *dev) +{ + leds_event(led_halted); + return 0; +} + +static struct sysdev_class leds_sysclass = { + .name = "leds", + .shutdown = leds_shutdown, + .suspend = leds_suspend, + .resume = leds_resume, +}; + +static struct sys_device leds_device = { + .id = 0, + .cls = &leds_sysclass, +}; + +static int __init leds_init(void) +{ + int ret; + ret = sysdev_class_register(&leds_sysclass); + if (ret == 0) + ret = sysdev_register(&leds_device); + if (ret == 0) + ret = sysdev_create_file(&leds_device, &attr_event); + return ret; +} + +device_initcall(leds_init); + +EXPORT_SYMBOL(leds_event); diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c new file mode 100644 index 0000000..c54ceb3 --- /dev/null +++ b/arch/arm/kernel/perf_event.c @@ -0,0 +1,2276 @@ +#undef DEBUG + +/* + * ARM performance counter support. + * + * Copyright (C) 2009 picoChip Designs, Ltd., Jamie Iles + * + * ARMv7 support: Jean Pihet <jpihet@mvista.com> + * 2010 (c) MontaVista Software, LLC. + * + * This code is based on the sparc64 perf event code, which is in turn based + * on the x86 code. Callchain code is based on the ARM OProfile backtrace + * code. + */ +#define pr_fmt(fmt) "hw perfevents: " fmt + +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/perf_event.h> +#include <linux/spinlock.h> +#include <linux/uaccess.h> + +#include <asm/cputype.h> +#include <asm/irq.h> +#include <asm/irq_regs.h> +#include <asm/pmu.h> +#include <asm/stacktrace.h> + +static const struct pmu_irqs *pmu_irqs; + +/* + * Hardware lock to serialize accesses to PMU registers. Needed for the + * read/modify/write sequences. + */ +DEFINE_SPINLOCK(pmu_lock); + +/* + * ARMv6 supports a maximum of 3 events, starting from index 1. If we add + * another platform that supports more, we need to increase this to be the + * largest of all platforms. + * + * ARMv7 supports up to 32 events: + * cycle counter CCNT + 31 events counters CNT0..30. + * Cortex-A8 has 1+4 counters, Cortex-A9 has 1+6 counters. + */ +#define ARMPMU_MAX_HWEVENTS 33 + +/* The events for a given CPU. */ +struct cpu_hw_events { + /* + * The events that are active on the CPU for the given index. Index 0 + * is reserved. + */ + struct perf_event *events[ARMPMU_MAX_HWEVENTS]; + + /* + * A 1 bit for an index indicates that the counter is being used for + * an event. A 0 means that the counter can be used. + */ + unsigned long used_mask[BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)]; + + /* + * A 1 bit for an index indicates that the counter is actively being + * used. + */ + unsigned long active_mask[BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)]; +}; +DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events); + +struct arm_pmu { + char *name; + irqreturn_t (*handle_irq)(int irq_num, void *dev); + void (*enable)(struct hw_perf_event *evt, int idx); + void (*disable)(struct hw_perf_event *evt, int idx); + int (*event_map)(int evt); + u64 (*raw_event)(u64); + int (*get_event_idx)(struct cpu_hw_events *cpuc, + struct hw_perf_event *hwc); + u32 (*read_counter)(int idx); + void (*write_counter)(int idx, u32 val); + void (*start)(void); + void (*stop)(void); + int num_events; + u64 max_period; +}; + +/* Set at runtime when we know what CPU type we are. */ +static const struct arm_pmu *armpmu; + +#define HW_OP_UNSUPPORTED 0xFFFF + +#define C(_x) \ + PERF_COUNT_HW_CACHE_##_x + +#define CACHE_OP_UNSUPPORTED 0xFFFF + +static unsigned armpmu_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX]; + +static int +armpmu_map_cache_event(u64 config) +{ + unsigned int cache_type, cache_op, cache_result, ret; + + cache_type = (config >> 0) & 0xff; + if (cache_type >= PERF_COUNT_HW_CACHE_MAX) + return -EINVAL; + + cache_op = (config >> 8) & 0xff; + if (cache_op >= PERF_COUNT_HW_CACHE_OP_MAX) + return -EINVAL; + + cache_result = (config >> 16) & 0xff; + if (cache_result >= PERF_COUNT_HW_CACHE_RESULT_MAX) + return -EINVAL; + + ret = (int)armpmu_perf_cache_map[cache_type][cache_op][cache_result]; + + if (ret == CACHE_OP_UNSUPPORTED) + return -ENOENT; + + return ret; +} + +static int +armpmu_event_set_period(struct perf_event *event, + struct hw_perf_event *hwc, + int idx) +{ + s64 left = atomic64_read(&hwc->period_left); + s64 period = hwc->sample_period; + int ret = 0; + + if (unlikely(left <= -period)) { + left = period; + atomic64_set(&hwc->period_left, left); + hwc->last_period = period; + ret = 1; + } + + if (unlikely(left <= 0)) { + left += period; + atomic64_set(&hwc->period_left, left); + hwc->last_period = period; + ret = 1; + } + + if (left > (s64)armpmu->max_period) + left = armpmu->max_period; + + atomic64_set(&hwc->prev_count, (u64)-left); + + armpmu->write_counter(idx, (u64)(-left) & 0xffffffff); + + perf_event_update_userpage(event); + + return ret; +} + +static u64 +armpmu_event_update(struct perf_event *event, + struct hw_perf_event *hwc, + int idx) +{ + int shift = 64 - 32; + s64 prev_raw_count, new_raw_count; + s64 delta; + +again: + prev_raw_count = atomic64_read(&hwc->prev_count); + new_raw_count = armpmu->read_counter(idx); + + if (atomic64_cmpxchg(&hwc->prev_count, prev_raw_count, + new_raw_count) != prev_raw_count) + goto again; + + delta = (new_raw_count << shift) - (prev_raw_count << shift); + delta >>= shift; + + atomic64_add(delta, &event->count); + atomic64_sub(delta, &hwc->period_left); + + return new_raw_count; +} + +static void +armpmu_disable(struct perf_event *event) +{ + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct hw_perf_event *hwc = &event->hw; + int idx = hwc->idx; + + WARN_ON(idx < 0); + + clear_bit(idx, cpuc->active_mask); + armpmu->disable(hwc, idx); + + barrier(); + + armpmu_event_update(event, hwc, idx); + cpuc->events[idx] = NULL; + clear_bit(idx, cpuc->used_mask); + + perf_event_update_userpage(event); +} + +static void +armpmu_read(struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + /* Don't read disabled counters! */ + if (hwc->idx < 0) + return; + + armpmu_event_update(event, hwc, hwc->idx); +} + +static void +armpmu_unthrottle(struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + /* + * Set the period again. Some counters can't be stopped, so when we + * were throttled we simply disabled the IRQ source and the counter + * may have been left counting. If we don't do this step then we may + * get an interrupt too soon or *way* too late if the overflow has + * happened since disabling. + */ + armpmu_event_set_period(event, hwc, hwc->idx); + armpmu->enable(hwc, hwc->idx); +} + +static int +armpmu_enable(struct perf_event *event) +{ + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct hw_perf_event *hwc = &event->hw; + int idx; + int err = 0; + + /* If we don't have a space for the counter then finish early. */ + idx = armpmu->get_event_idx(cpuc, hwc); + if (idx < 0) { + err = idx; + goto out; + } + + /* + * If there is an event in the counter we are going to use then make + * sure it is disabled. + */ + event->hw.idx = idx; + armpmu->disable(hwc, idx); + cpuc->events[idx] = event; + set_bit(idx, cpuc->active_mask); + + /* Set the period for the event. */ + armpmu_event_set_period(event, hwc, idx); + + /* Enable the event. */ + armpmu->enable(hwc, idx); + + /* Propagate our changes to the userspace mapping. */ + perf_event_update_userpage(event); + +out: + return err; +} + +static struct pmu pmu = { + .enable = armpmu_enable, + .disable = armpmu_disable, + .unthrottle = armpmu_unthrottle, + .read = armpmu_read, +}; + +static int +validate_event(struct cpu_hw_events *cpuc, + struct perf_event *event) +{ + struct hw_perf_event fake_event = event->hw; + + if (event->pmu && event->pmu != &pmu) + return 0; + + return armpmu->get_event_idx(cpuc, &fake_event) >= 0; +} + +static int +validate_group(struct perf_event *event) +{ + struct perf_event *sibling, *leader = event->group_leader; + struct cpu_hw_events fake_pmu; + + memset(&fake_pmu, 0, sizeof(fake_pmu)); + + if (!validate_event(&fake_pmu, leader)) + return -ENOSPC; + + list_for_each_entry(sibling, &leader->sibling_list, group_entry) { + if (!validate_event(&fake_pmu, sibling)) + return -ENOSPC; + } + + if (!validate_event(&fake_pmu, event)) + return -ENOSPC; + + return 0; +} + +static int +armpmu_reserve_hardware(void) +{ + int i; + int err; + + pmu_irqs = reserve_pmu(); + if (IS_ERR(pmu_irqs)) { + pr_warning("unable to reserve pmu\n"); + return PTR_ERR(pmu_irqs); + } + + init_pmu(); + + if (pmu_irqs->num_irqs < 1) { + pr_err("no irqs for PMUs defined\n"); + return -ENODEV; + } + + for (i = 0; i < pmu_irqs->num_irqs; ++i) { + err = request_irq(pmu_irqs->irqs[i], armpmu->handle_irq, + IRQF_DISABLED, "armpmu", NULL); + if (err) { + pr_warning("unable to request IRQ%d for ARM " + "perf counters\n", pmu_irqs->irqs[i]); + break; + } + } + + if (err) { + for (i = i - 1; i >= 0; --i) + free_irq(pmu_irqs->irqs[i], NULL); + release_pmu(pmu_irqs); + pmu_irqs = NULL; + } + + return err; +} + +static void +armpmu_release_hardware(void) +{ + int i; + + for (i = pmu_irqs->num_irqs - 1; i >= 0; --i) + free_irq(pmu_irqs->irqs[i], NULL); + armpmu->stop(); + + release_pmu(pmu_irqs); + pmu_irqs = NULL; +} + +static atomic_t active_events = ATOMIC_INIT(0); +static DEFINE_MUTEX(pmu_reserve_mutex); + +static void +hw_perf_event_destroy(struct perf_event *event) +{ + if (atomic_dec_and_mutex_lock(&active_events, &pmu_reserve_mutex)) { + armpmu_release_hardware(); + mutex_unlock(&pmu_reserve_mutex); + } +} + +static int +__hw_perf_event_init(struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + int mapping, err; + + /* Decode the generic type into an ARM event identifier. */ + if (PERF_TYPE_HARDWARE == event->attr.type) { + mapping = armpmu->event_map(event->attr.config); + } else if (PERF_TYPE_HW_CACHE == event->attr.type) { + mapping = armpmu_map_cache_event(event->attr.config); + } else if (PERF_TYPE_RAW == event->attr.type) { + mapping = armpmu->raw_event(event->attr.config); + } else { + pr_debug("event type %x not supported\n", event->attr.type); + return -EOPNOTSUPP; + } + + if (mapping < 0) { + pr_debug("event %x:%llx not supported\n", event->attr.type, + event->attr.config); + return mapping; + } + + /* + * Check whether we need to exclude the counter from certain modes. + * The ARM performance counters are on all of the time so if someone + * has asked us for some excludes then we have to fail. + */ + if (event->attr.exclude_kernel || event->attr.exclude_user || + event->attr.exclude_hv || event->attr.exclude_idle) { + pr_debug("ARM performance counters do not support " + "mode exclusion\n"); + return -EPERM; + } + + /* + * We don't assign an index until we actually place the event onto + * hardware. Use -1 to signify that we haven't decided where to put it + * yet. For SMP systems, each core has it's own PMU so we can't do any + * clever allocation or constraints checking at this point. + */ + hwc->idx = -1; + + /* + * Store the event encoding into the config_base field. config and + * event_base are unused as the only 2 things we need to know are + * the event mapping and the counter to use. The counter to use is + * also the indx and the config_base is the event type. + */ + hwc->config_base = (unsigned long)mapping; + hwc->config = 0; + hwc->event_base = 0; + + if (!hwc->sample_period) { + hwc->sample_period = armpmu->max_period; + hwc->last_period = hwc->sample_period; + atomic64_set(&hwc->period_left, hwc->sample_period); + } + + err = 0; + if (event->group_leader != event) { + err = validate_group(event); + if (err) + return -EINVAL; + } + + return err; +} + +const struct pmu * +hw_perf_event_init(struct perf_event *event) +{ + int err = 0; + + if (!armpmu) + return ERR_PTR(-ENODEV); + + event->destroy = hw_perf_event_destroy; + + if (!atomic_inc_not_zero(&active_events)) { + if (atomic_read(&active_events) > perf_max_events) { + atomic_dec(&active_events); + return ERR_PTR(-ENOSPC); + } + + mutex_lock(&pmu_reserve_mutex); + if (atomic_read(&active_events) == 0) { + err = armpmu_reserve_hardware(); + } + + if (!err) + atomic_inc(&active_events); + mutex_unlock(&pmu_reserve_mutex); + } + + if (err) + return ERR_PTR(err); + + err = __hw_perf_event_init(event); + if (err) + hw_perf_event_destroy(event); + + return err ? ERR_PTR(err) : &pmu; +} + +void +hw_perf_enable(void) +{ + /* Enable all of the perf events on hardware. */ + int idx; + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + + if (!armpmu) + return; + + for (idx = 0; idx <= armpmu->num_events; ++idx) { + struct perf_event *event = cpuc->events[idx]; + + if (!event) + continue; + + armpmu->enable(&event->hw, idx); + } + + armpmu->start(); +} + +void +hw_perf_disable(void) +{ + if (armpmu) + armpmu->stop(); +} + +/* + * ARMv6 Performance counter handling code. + * + * ARMv6 has 2 configurable performance counters and a single cycle counter. + * They all share a single reset bit but can be written to zero so we can use + * that for a reset. + * + * The counters can't be individually enabled or disabled so when we remove + * one event and replace it with another we could get spurious counts from the + * wrong event. However, we can take advantage of the fact that the + * performance counters can export events to the event bus, and the event bus + * itself can be monitored. This requires that we *don't* export the events to + * the event bus. The procedure for disabling a configurable counter is: + * - change the counter to count the ETMEXTOUT[0] signal (0x20). This + * effectively stops the counter from counting. + * - disable the counter's interrupt generation (each counter has it's + * own interrupt enable bit). + * Once stopped, the counter value can be written as 0 to reset. + * + * To enable a counter: + * - enable the counter's interrupt generation. + * - set the new event type. + * + * Note: the dedicated cycle counter only counts cycles and can't be + * enabled/disabled independently of the others. When we want to disable the + * cycle counter, we have to just disable the interrupt reporting and start + * ignoring that counter. When re-enabling, we have to reset the value and + * enable the interrupt. + */ + +enum armv6_perf_types { + ARMV6_PERFCTR_ICACHE_MISS = 0x0, + ARMV6_PERFCTR_IBUF_STALL = 0x1, + ARMV6_PERFCTR_DDEP_STALL = 0x2, + ARMV6_PERFCTR_ITLB_MISS = 0x3, + ARMV6_PERFCTR_DTLB_MISS = 0x4, + ARMV6_PERFCTR_BR_EXEC = 0x5, + ARMV6_PERFCTR_BR_MISPREDICT = 0x6, + ARMV6_PERFCTR_INSTR_EXEC = 0x7, + ARMV6_PERFCTR_DCACHE_HIT = 0x9, + ARMV6_PERFCTR_DCACHE_ACCESS = 0xA, + ARMV6_PERFCTR_DCACHE_MISS = 0xB, + ARMV6_PERFCTR_DCACHE_WBACK = 0xC, + ARMV6_PERFCTR_SW_PC_CHANGE = 0xD, + ARMV6_PERFCTR_MAIN_TLB_MISS = 0xF, + ARMV6_PERFCTR_EXPL_D_ACCESS = 0x10, + ARMV6_PERFCTR_LSU_FULL_STALL = 0x11, + ARMV6_PERFCTR_WBUF_DRAINED = 0x12, + ARMV6_PERFCTR_CPU_CYCLES = 0xFF, + ARMV6_PERFCTR_NOP = 0x20, +}; + +enum armv6_counters { + ARMV6_CYCLE_COUNTER = 1, + ARMV6_COUNTER0, + ARMV6_COUNTER1, +}; + +/* + * The hardware events that we support. We do support cache operations but + * we have harvard caches and no way to combine instruction and data + * accesses/misses in hardware. + */ +static const unsigned armv6_perf_map[PERF_COUNT_HW_MAX] = { + [PERF_COUNT_HW_CPU_CYCLES] = ARMV6_PERFCTR_CPU_CYCLES, + [PERF_COUNT_HW_INSTRUCTIONS] = ARMV6_PERFCTR_INSTR_EXEC, + [PERF_COUNT_HW_CACHE_REFERENCES] = HW_OP_UNSUPPORTED, + [PERF_COUNT_HW_CACHE_MISSES] = HW_OP_UNSUPPORTED, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV6_PERFCTR_BR_EXEC, + [PERF_COUNT_HW_BRANCH_MISSES] = ARMV6_PERFCTR_BR_MISPREDICT, + [PERF_COUNT_HW_BUS_CYCLES] = HW_OP_UNSUPPORTED, +}; + +static const unsigned armv6_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = { + [C(L1D)] = { + /* + * The performance counters don't differentiate between read + * and write accesses/misses so this isn't strictly correct, + * but it's the best we can do. Writes and reads get + * combined. + */ + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = ARMV6_PERFCTR_DCACHE_ACCESS, + [C(RESULT_MISS)] = ARMV6_PERFCTR_DCACHE_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = ARMV6_PERFCTR_DCACHE_ACCESS, + [C(RESULT_MISS)] = ARMV6_PERFCTR_DCACHE_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(L1I)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6_PERFCTR_ICACHE_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6_PERFCTR_ICACHE_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(LL)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(DTLB)] = { + /* + * The ARM performance counters can count micro DTLB misses, + * micro ITLB misses and main TLB misses. There isn't an event + * for TLB misses, so use the micro misses here and if users + * want the main TLB misses they can use a raw counter. + */ + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6_PERFCTR_DTLB_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6_PERFCTR_DTLB_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(ITLB)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6_PERFCTR_ITLB_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6_PERFCTR_ITLB_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(BPU)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, +}; + +enum armv6mpcore_perf_types { + ARMV6MPCORE_PERFCTR_ICACHE_MISS = 0x0, + ARMV6MPCORE_PERFCTR_IBUF_STALL = 0x1, + ARMV6MPCORE_PERFCTR_DDEP_STALL = 0x2, + ARMV6MPCORE_PERFCTR_ITLB_MISS = 0x3, + ARMV6MPCORE_PERFCTR_DTLB_MISS = 0x4, + ARMV6MPCORE_PERFCTR_BR_EXEC = 0x5, + ARMV6MPCORE_PERFCTR_BR_NOTPREDICT = 0x6, + ARMV6MPCORE_PERFCTR_BR_MISPREDICT = 0x7, + ARMV6MPCORE_PERFCTR_INSTR_EXEC = 0x8, + ARMV6MPCORE_PERFCTR_DCACHE_RDACCESS = 0xA, + ARMV6MPCORE_PERFCTR_DCACHE_RDMISS = 0xB, + ARMV6MPCORE_PERFCTR_DCACHE_WRACCESS = 0xC, + ARMV6MPCORE_PERFCTR_DCACHE_WRMISS = 0xD, + ARMV6MPCORE_PERFCTR_DCACHE_EVICTION = 0xE, + ARMV6MPCORE_PERFCTR_SW_PC_CHANGE = 0xF, + ARMV6MPCORE_PERFCTR_MAIN_TLB_MISS = 0x10, + ARMV6MPCORE_PERFCTR_EXPL_MEM_ACCESS = 0x11, + ARMV6MPCORE_PERFCTR_LSU_FULL_STALL = 0x12, + ARMV6MPCORE_PERFCTR_WBUF_DRAINED = 0x13, + ARMV6MPCORE_PERFCTR_CPU_CYCLES = 0xFF, +}; + +/* + * The hardware events that we support. We do support cache operations but + * we have harvard caches and no way to combine instruction and data + * accesses/misses in hardware. + */ +static const unsigned armv6mpcore_perf_map[PERF_COUNT_HW_MAX] = { + [PERF_COUNT_HW_CPU_CYCLES] = ARMV6MPCORE_PERFCTR_CPU_CYCLES, + [PERF_COUNT_HW_INSTRUCTIONS] = ARMV6MPCORE_PERFCTR_INSTR_EXEC, + [PERF_COUNT_HW_CACHE_REFERENCES] = HW_OP_UNSUPPORTED, + [PERF_COUNT_HW_CACHE_MISSES] = HW_OP_UNSUPPORTED, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV6MPCORE_PERFCTR_BR_EXEC, + [PERF_COUNT_HW_BRANCH_MISSES] = ARMV6MPCORE_PERFCTR_BR_MISPREDICT, + [PERF_COUNT_HW_BUS_CYCLES] = HW_OP_UNSUPPORTED, +}; + +static const unsigned armv6mpcore_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = { + [C(L1D)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = + ARMV6MPCORE_PERFCTR_DCACHE_RDACCESS, + [C(RESULT_MISS)] = + ARMV6MPCORE_PERFCTR_DCACHE_RDMISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = + ARMV6MPCORE_PERFCTR_DCACHE_WRACCESS, + [C(RESULT_MISS)] = + ARMV6MPCORE_PERFCTR_DCACHE_WRMISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(L1I)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6MPCORE_PERFCTR_ICACHE_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6MPCORE_PERFCTR_ICACHE_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(LL)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(DTLB)] = { + /* + * The ARM performance counters can count micro DTLB misses, + * micro ITLB misses and main TLB misses. There isn't an event + * for TLB misses, so use the micro misses here and if users + * want the main TLB misses they can use a raw counter. + */ + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6MPCORE_PERFCTR_DTLB_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6MPCORE_PERFCTR_DTLB_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(ITLB)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6MPCORE_PERFCTR_ITLB_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV6MPCORE_PERFCTR_ITLB_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(BPU)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, +}; + +static inline unsigned long +armv6_pmcr_read(void) +{ + u32 val; + asm volatile("mrc p15, 0, %0, c15, c12, 0" : "=r"(val)); + return val; +} + +static inline void +armv6_pmcr_write(unsigned long val) +{ + asm volatile("mcr p15, 0, %0, c15, c12, 0" : : "r"(val)); +} + +#define ARMV6_PMCR_ENABLE (1 << 0) +#define ARMV6_PMCR_CTR01_RESET (1 << 1) +#define ARMV6_PMCR_CCOUNT_RESET (1 << 2) +#define ARMV6_PMCR_CCOUNT_DIV (1 << 3) +#define ARMV6_PMCR_COUNT0_IEN (1 << 4) +#define ARMV6_PMCR_COUNT1_IEN (1 << 5) +#define ARMV6_PMCR_CCOUNT_IEN (1 << 6) +#define ARMV6_PMCR_COUNT0_OVERFLOW (1 << 8) +#define ARMV6_PMCR_COUNT1_OVERFLOW (1 << 9) +#define ARMV6_PMCR_CCOUNT_OVERFLOW (1 << 10) +#define ARMV6_PMCR_EVT_COUNT0_SHIFT 20 +#define ARMV6_PMCR_EVT_COUNT0_MASK (0xFF << ARMV6_PMCR_EVT_COUNT0_SHIFT) +#define ARMV6_PMCR_EVT_COUNT1_SHIFT 12 +#define ARMV6_PMCR_EVT_COUNT1_MASK (0xFF << ARMV6_PMCR_EVT_COUNT1_SHIFT) + +#define ARMV6_PMCR_OVERFLOWED_MASK \ + (ARMV6_PMCR_COUNT0_OVERFLOW | ARMV6_PMCR_COUNT1_OVERFLOW | \ + ARMV6_PMCR_CCOUNT_OVERFLOW) + +static inline int +armv6_pmcr_has_overflowed(unsigned long pmcr) +{ + return (pmcr & ARMV6_PMCR_OVERFLOWED_MASK); +} + +static inline int +armv6_pmcr_counter_has_overflowed(unsigned long pmcr, + enum armv6_counters counter) +{ + int ret = 0; + + if (ARMV6_CYCLE_COUNTER == counter) + ret = pmcr & ARMV6_PMCR_CCOUNT_OVERFLOW; + else if (ARMV6_COUNTER0 == counter) + ret = pmcr & ARMV6_PMCR_COUNT0_OVERFLOW; + else if (ARMV6_COUNTER1 == counter) + ret = pmcr & ARMV6_PMCR_COUNT1_OVERFLOW; + else + WARN_ONCE(1, "invalid counter number (%d)\n", counter); + + return ret; +} + +static inline u32 +armv6pmu_read_counter(int counter) +{ + unsigned long value = 0; + + if (ARMV6_CYCLE_COUNTER == counter) + asm volatile("mrc p15, 0, %0, c15, c12, 1" : "=r"(value)); + else if (ARMV6_COUNTER0 == counter) + asm volatile("mrc p15, 0, %0, c15, c12, 2" : "=r"(value)); + else if (ARMV6_COUNTER1 == counter) + asm volatile("mrc p15, 0, %0, c15, c12, 3" : "=r"(value)); + else + WARN_ONCE(1, "invalid counter number (%d)\n", counter); + + return value; +} + +static inline void +armv6pmu_write_counter(int counter, + u32 value) +{ + if (ARMV6_CYCLE_COUNTER == counter) + asm volatile("mcr p15, 0, %0, c15, c12, 1" : : "r"(value)); + else if (ARMV6_COUNTER0 == counter) + asm volatile("mcr p15, 0, %0, c15, c12, 2" : : "r"(value)); + else if (ARMV6_COUNTER1 == counter) + asm volatile("mcr p15, 0, %0, c15, c12, 3" : : "r"(value)); + else + WARN_ONCE(1, "invalid counter number (%d)\n", counter); +} + +void +armv6pmu_enable_event(struct hw_perf_event *hwc, + int idx) +{ + unsigned long val, mask, evt, flags; + + if (ARMV6_CYCLE_COUNTER == idx) { + mask = 0; + evt = ARMV6_PMCR_CCOUNT_IEN; + } else if (ARMV6_COUNTER0 == idx) { + mask = ARMV6_PMCR_EVT_COUNT0_MASK; + evt = (hwc->config_base << ARMV6_PMCR_EVT_COUNT0_SHIFT) | + ARMV6_PMCR_COUNT0_IEN; + } else if (ARMV6_COUNTER1 == idx) { + mask = ARMV6_PMCR_EVT_COUNT1_MASK; + evt = (hwc->config_base << ARMV6_PMCR_EVT_COUNT1_SHIFT) | + ARMV6_PMCR_COUNT1_IEN; + } else { + WARN_ONCE(1, "invalid counter number (%d)\n", idx); + return; + } + + /* + * Mask out the current event and set the counter to count the event + * that we're interested in. + */ + spin_lock_irqsave(&pmu_lock, flags); + val = armv6_pmcr_read(); + val &= ~mask; + val |= evt; + armv6_pmcr_write(val); + spin_unlock_irqrestore(&pmu_lock, flags); +} + +static irqreturn_t +armv6pmu_handle_irq(int irq_num, + void *dev) +{ + unsigned long pmcr = armv6_pmcr_read(); + struct perf_sample_data data; + struct cpu_hw_events *cpuc; + struct pt_regs *regs; + int idx; + + if (!armv6_pmcr_has_overflowed(pmcr)) + return IRQ_NONE; + + regs = get_irq_regs(); + + /* + * The interrupts are cleared by writing the overflow flags back to + * the control register. All of the other bits don't have any effect + * if they are rewritten, so write the whole value back. + */ + armv6_pmcr_write(pmcr); + + data.addr = 0; + + cpuc = &__get_cpu_var(cpu_hw_events); + for (idx = 0; idx <= armpmu->num_events; ++idx) { + struct perf_event *event = cpuc->events[idx]; + struct hw_perf_event *hwc; + + if (!test_bit(idx, cpuc->active_mask)) + continue; + + /* + * We have a single interrupt for all counters. Check that + * each counter has overflowed before we process it. + */ + if (!armv6_pmcr_counter_has_overflowed(pmcr, idx)) + continue; + + hwc = &event->hw; + armpmu_event_update(event, hwc, idx); + data.period = event->hw.last_period; + if (!armpmu_event_set_period(event, hwc, idx)) + continue; + + if (perf_event_overflow(event, 0, &data, regs)) + armpmu->disable(hwc, idx); + } + + /* + * Handle the pending perf events. + * + * Note: this call *must* be run with interrupts enabled. For + * platforms that can have the PMU interrupts raised as a PMI, this + * will not work. + */ + perf_event_do_pending(); + + return IRQ_HANDLED; +} + +static void +armv6pmu_start(void) +{ + unsigned long flags, val; + + spin_lock_irqsave(&pmu_lock, flags); + val = armv6_pmcr_read(); + val |= ARMV6_PMCR_ENABLE; + armv6_pmcr_write(val); + spin_unlock_irqrestore(&pmu_lock, flags); +} + +void +armv6pmu_stop(void) +{ + unsigned long flags, val; + + spin_lock_irqsave(&pmu_lock, flags); + val = armv6_pmcr_read(); + val &= ~ARMV6_PMCR_ENABLE; + armv6_pmcr_write(val); + spin_unlock_irqrestore(&pmu_lock, flags); +} + +static inline int +armv6pmu_event_map(int config) +{ + int mapping = armv6_perf_map[config]; + if (HW_OP_UNSUPPORTED == mapping) + mapping = -EOPNOTSUPP; + return mapping; +} + +static inline int +armv6mpcore_pmu_event_map(int config) +{ + int mapping = armv6mpcore_perf_map[config]; + if (HW_OP_UNSUPPORTED == mapping) + mapping = -EOPNOTSUPP; + return mapping; +} + +static u64 +armv6pmu_raw_event(u64 config) +{ + return config & 0xff; +} + +static int +armv6pmu_get_event_idx(struct cpu_hw_events *cpuc, + struct hw_perf_event *event) +{ + /* Always place a cycle counter into the cycle counter. */ + if (ARMV6_PERFCTR_CPU_CYCLES == event->config_base) { + if (test_and_set_bit(ARMV6_CYCLE_COUNTER, cpuc->used_mask)) + return -EAGAIN; + + return ARMV6_CYCLE_COUNTER; + } else { + /* + * For anything other than a cycle counter, try and use + * counter0 and counter1. + */ + if (!test_and_set_bit(ARMV6_COUNTER1, cpuc->used_mask)) { + return ARMV6_COUNTER1; + } + + if (!test_and_set_bit(ARMV6_COUNTER0, cpuc->used_mask)) { + return ARMV6_COUNTER0; + } + + /* The counters are all in use. */ + return -EAGAIN; + } +} + +static void +armv6pmu_disable_event(struct hw_perf_event *hwc, + int idx) +{ + unsigned long val, mask, evt, flags; + + if (ARMV6_CYCLE_COUNTER == idx) { + mask = ARMV6_PMCR_CCOUNT_IEN; + evt = 0; + } else if (ARMV6_COUNTER0 == idx) { + mask = ARMV6_PMCR_COUNT0_IEN | ARMV6_PMCR_EVT_COUNT0_MASK; + evt = ARMV6_PERFCTR_NOP << ARMV6_PMCR_EVT_COUNT0_SHIFT; + } else if (ARMV6_COUNTER1 == idx) { + mask = ARMV6_PMCR_COUNT1_IEN | ARMV6_PMCR_EVT_COUNT1_MASK; + evt = ARMV6_PERFCTR_NOP << ARMV6_PMCR_EVT_COUNT1_SHIFT; + } else { + WARN_ONCE(1, "invalid counter number (%d)\n", idx); + return; + } + + /* + * Mask out the current event and set the counter to count the number + * of ETM bus signal assertion cycles. The external reporting should + * be disabled and so this should never increment. + */ + spin_lock_irqsave(&pmu_lock, flags); + val = armv6_pmcr_read(); + val &= ~mask; + val |= evt; + armv6_pmcr_write(val); + spin_unlock_irqrestore(&pmu_lock, flags); +} + +static void +armv6mpcore_pmu_disable_event(struct hw_perf_event *hwc, + int idx) +{ + unsigned long val, mask, flags, evt = 0; + + if (ARMV6_CYCLE_COUNTER == idx) { + mask = ARMV6_PMCR_CCOUNT_IEN; + } else if (ARMV6_COUNTER0 == idx) { + mask = ARMV6_PMCR_COUNT0_IEN; + } else if (ARMV6_COUNTER1 == idx) { + mask = ARMV6_PMCR_COUNT1_IEN; + } else { + WARN_ONCE(1, "invalid counter number (%d)\n", idx); + return; + } + + /* + * Unlike UP ARMv6, we don't have a way of stopping the counters. We + * simply disable the interrupt reporting. + */ + spin_lock_irqsave(&pmu_lock, flags); + val = armv6_pmcr_read(); + val &= ~mask; + val |= evt; + armv6_pmcr_write(val); + spin_unlock_irqrestore(&pmu_lock, flags); +} + +static const struct arm_pmu armv6pmu = { + .name = "v6", + .handle_irq = armv6pmu_handle_irq, + .enable = armv6pmu_enable_event, + .disable = armv6pmu_disable_event, + .event_map = armv6pmu_event_map, + .raw_event = armv6pmu_raw_event, + .read_counter = armv6pmu_read_counter, + .write_counter = armv6pmu_write_counter, + .get_event_idx = armv6pmu_get_event_idx, + .start = armv6pmu_start, + .stop = armv6pmu_stop, + .num_events = 3, + .max_period = (1LLU << 32) - 1, +}; + +/* + * ARMv6mpcore is almost identical to single core ARMv6 with the exception + * that some of the events have different enumerations and that there is no + * *hack* to stop the programmable counters. To stop the counters we simply + * disable the interrupt reporting and update the event. When unthrottling we + * reset the period and enable the interrupt reporting. + */ +static const struct arm_pmu armv6mpcore_pmu = { + .name = "v6mpcore", + .handle_irq = armv6pmu_handle_irq, + .enable = armv6pmu_enable_event, + .disable = armv6mpcore_pmu_disable_event, + .event_map = armv6mpcore_pmu_event_map, + .raw_event = armv6pmu_raw_event, + .read_counter = armv6pmu_read_counter, + .write_counter = armv6pmu_write_counter, + .get_event_idx = armv6pmu_get_event_idx, + .start = armv6pmu_start, + .stop = armv6pmu_stop, + .num_events = 3, + .max_period = (1LLU << 32) - 1, +}; + +/* + * ARMv7 Cortex-A8 and Cortex-A9 Performance Events handling code. + * + * Copied from ARMv6 code, with the low level code inspired + * by the ARMv7 Oprofile code. + * + * Cortex-A8 has up to 4 configurable performance counters and + * a single cycle counter. + * Cortex-A9 has up to 31 configurable performance counters and + * a single cycle counter. + * + * All counters can be enabled/disabled and IRQ masked separately. The cycle + * counter and all 4 performance counters together can be reset separately. + */ + +#define ARMV7_PMU_CORTEX_A8_NAME "ARMv7 Cortex-A8" + +#define ARMV7_PMU_CORTEX_A9_NAME "ARMv7 Cortex-A9" + +/* Common ARMv7 event types */ +enum armv7_perf_types { + ARMV7_PERFCTR_PMNC_SW_INCR = 0x00, + ARMV7_PERFCTR_IFETCH_MISS = 0x01, + ARMV7_PERFCTR_ITLB_MISS = 0x02, + ARMV7_PERFCTR_DCACHE_REFILL = 0x03, + ARMV7_PERFCTR_DCACHE_ACCESS = 0x04, + ARMV7_PERFCTR_DTLB_REFILL = 0x05, + ARMV7_PERFCTR_DREAD = 0x06, + ARMV7_PERFCTR_DWRITE = 0x07, + + ARMV7_PERFCTR_EXC_TAKEN = 0x09, + ARMV7_PERFCTR_EXC_EXECUTED = 0x0A, + ARMV7_PERFCTR_CID_WRITE = 0x0B, + /* ARMV7_PERFCTR_PC_WRITE is equivalent to HW_BRANCH_INSTRUCTIONS. + * It counts: + * - all branch instructions, + * - instructions that explicitly write the PC, + * - exception generating instructions. + */ + ARMV7_PERFCTR_PC_WRITE = 0x0C, + ARMV7_PERFCTR_PC_IMM_BRANCH = 0x0D, + ARMV7_PERFCTR_UNALIGNED_ACCESS = 0x0F, + ARMV7_PERFCTR_PC_BRANCH_MIS_PRED = 0x10, + ARMV7_PERFCTR_CLOCK_CYCLES = 0x11, + + ARMV7_PERFCTR_PC_BRANCH_MIS_USED = 0x12, + + ARMV7_PERFCTR_CPU_CYCLES = 0xFF +}; + +/* ARMv7 Cortex-A8 specific event types */ +enum armv7_a8_perf_types { + ARMV7_PERFCTR_INSTR_EXECUTED = 0x08, + + ARMV7_PERFCTR_PC_PROC_RETURN = 0x0E, + + ARMV7_PERFCTR_WRITE_BUFFER_FULL = 0x40, + ARMV7_PERFCTR_L2_STORE_MERGED = 0x41, + ARMV7_PERFCTR_L2_STORE_BUFF = 0x42, + ARMV7_PERFCTR_L2_ACCESS = 0x43, + ARMV7_PERFCTR_L2_CACH_MISS = 0x44, + ARMV7_PERFCTR_AXI_READ_CYCLES = 0x45, + ARMV7_PERFCTR_AXI_WRITE_CYCLES = 0x46, + ARMV7_PERFCTR_MEMORY_REPLAY = 0x47, + ARMV7_PERFCTR_UNALIGNED_ACCESS_REPLAY = 0x48, + ARMV7_PERFCTR_L1_DATA_MISS = 0x49, + ARMV7_PERFCTR_L1_INST_MISS = 0x4A, + ARMV7_PERFCTR_L1_DATA_COLORING = 0x4B, + ARMV7_PERFCTR_L1_NEON_DATA = 0x4C, + ARMV7_PERFCTR_L1_NEON_CACH_DATA = 0x4D, + ARMV7_PERFCTR_L2_NEON = 0x4E, + ARMV7_PERFCTR_L2_NEON_HIT = 0x4F, + ARMV7_PERFCTR_L1_INST = 0x50, + ARMV7_PERFCTR_PC_RETURN_MIS_PRED = 0x51, + ARMV7_PERFCTR_PC_BRANCH_FAILED = 0x52, + ARMV7_PERFCTR_PC_BRANCH_TAKEN = 0x53, + ARMV7_PERFCTR_PC_BRANCH_EXECUTED = 0x54, + ARMV7_PERFCTR_OP_EXECUTED = 0x55, + ARMV7_PERFCTR_CYCLES_INST_STALL = 0x56, + ARMV7_PERFCTR_CYCLES_INST = 0x57, + ARMV7_PERFCTR_CYCLES_NEON_DATA_STALL = 0x58, + ARMV7_PERFCTR_CYCLES_NEON_INST_STALL = 0x59, + ARMV7_PERFCTR_NEON_CYCLES = 0x5A, + + ARMV7_PERFCTR_PMU0_EVENTS = 0x70, + ARMV7_PERFCTR_PMU1_EVENTS = 0x71, + ARMV7_PERFCTR_PMU_EVENTS = 0x72, +}; + +/* ARMv7 Cortex-A9 specific event types */ +enum armv7_a9_perf_types { + ARMV7_PERFCTR_JAVA_HW_BYTECODE_EXEC = 0x40, + ARMV7_PERFCTR_JAVA_SW_BYTECODE_EXEC = 0x41, + ARMV7_PERFCTR_JAZELLE_BRANCH_EXEC = 0x42, + + ARMV7_PERFCTR_COHERENT_LINE_MISS = 0x50, + ARMV7_PERFCTR_COHERENT_LINE_HIT = 0x51, + + ARMV7_PERFCTR_ICACHE_DEP_STALL_CYCLES = 0x60, + ARMV7_PERFCTR_DCACHE_DEP_STALL_CYCLES = 0x61, + ARMV7_PERFCTR_TLB_MISS_DEP_STALL_CYCLES = 0x62, + ARMV7_PERFCTR_STREX_EXECUTED_PASSED = 0x63, + ARMV7_PERFCTR_STREX_EXECUTED_FAILED = 0x64, + ARMV7_PERFCTR_DATA_EVICTION = 0x65, + ARMV7_PERFCTR_ISSUE_STAGE_NO_INST = 0x66, + ARMV7_PERFCTR_ISSUE_STAGE_EMPTY = 0x67, + ARMV7_PERFCTR_INST_OUT_OF_RENAME_STAGE = 0x68, + + ARMV7_PERFCTR_PREDICTABLE_FUNCT_RETURNS = 0x6E, + + ARMV7_PERFCTR_MAIN_UNIT_EXECUTED_INST = 0x70, + ARMV7_PERFCTR_SECOND_UNIT_EXECUTED_INST = 0x71, + ARMV7_PERFCTR_LD_ST_UNIT_EXECUTED_INST = 0x72, + ARMV7_PERFCTR_FP_EXECUTED_INST = 0x73, + ARMV7_PERFCTR_NEON_EXECUTED_INST = 0x74, + + ARMV7_PERFCTR_PLD_FULL_DEP_STALL_CYCLES = 0x80, + ARMV7_PERFCTR_DATA_WR_DEP_STALL_CYCLES = 0x81, + ARMV7_PERFCTR_ITLB_MISS_DEP_STALL_CYCLES = 0x82, + ARMV7_PERFCTR_DTLB_MISS_DEP_STALL_CYCLES = 0x83, + ARMV7_PERFCTR_MICRO_ITLB_MISS_DEP_STALL_CYCLES = 0x84, + ARMV7_PERFCTR_MICRO_DTLB_MISS_DEP_STALL_CYCLES = 0x85, + ARMV7_PERFCTR_DMB_DEP_STALL_CYCLES = 0x86, + + ARMV7_PERFCTR_INTGR_CLK_ENABLED_CYCLES = 0x8A, + ARMV7_PERFCTR_DATA_ENGINE_CLK_EN_CYCLES = 0x8B, + + ARMV7_PERFCTR_ISB_INST = 0x90, + ARMV7_PERFCTR_DSB_INST = 0x91, + ARMV7_PERFCTR_DMB_INST = 0x92, + ARMV7_PERFCTR_EXT_INTERRUPTS = 0x93, + + ARMV7_PERFCTR_PLE_CACHE_LINE_RQST_COMPLETED = 0xA0, + ARMV7_PERFCTR_PLE_CACHE_LINE_RQST_SKIPPED = 0xA1, + ARMV7_PERFCTR_PLE_FIFO_FLUSH = 0xA2, + ARMV7_PERFCTR_PLE_RQST_COMPLETED = 0xA3, + ARMV7_PERFCTR_PLE_FIFO_OVERFLOW = 0xA4, + ARMV7_PERFCTR_PLE_RQST_PROG = 0xA5 +}; + +/* + * Cortex-A8 HW events mapping + * + * The hardware events that we support. We do support cache operations but + * we have harvard caches and no way to combine instruction and data + * accesses/misses in hardware. + */ +static const unsigned armv7_a8_perf_map[PERF_COUNT_HW_MAX] = { + [PERF_COUNT_HW_CPU_CYCLES] = ARMV7_PERFCTR_CPU_CYCLES, + [PERF_COUNT_HW_INSTRUCTIONS] = ARMV7_PERFCTR_INSTR_EXECUTED, + [PERF_COUNT_HW_CACHE_REFERENCES] = HW_OP_UNSUPPORTED, + [PERF_COUNT_HW_CACHE_MISSES] = HW_OP_UNSUPPORTED, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV7_PERFCTR_PC_WRITE, + [PERF_COUNT_HW_BRANCH_MISSES] = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED, + [PERF_COUNT_HW_BUS_CYCLES] = ARMV7_PERFCTR_CLOCK_CYCLES, +}; + +static const unsigned armv7_a8_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = { + [C(L1D)] = { + /* + * The performance counters don't differentiate between read + * and write accesses/misses so this isn't strictly correct, + * but it's the best we can do. Writes and reads get + * combined. + */ + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_DCACHE_ACCESS, + [C(RESULT_MISS)] = ARMV7_PERFCTR_DCACHE_REFILL, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_DCACHE_ACCESS, + [C(RESULT_MISS)] = ARMV7_PERFCTR_DCACHE_REFILL, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(L1I)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_L1_INST, + [C(RESULT_MISS)] = ARMV7_PERFCTR_L1_INST_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_L1_INST, + [C(RESULT_MISS)] = ARMV7_PERFCTR_L1_INST_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(LL)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_L2_ACCESS, + [C(RESULT_MISS)] = ARMV7_PERFCTR_L2_CACH_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_L2_ACCESS, + [C(RESULT_MISS)] = ARMV7_PERFCTR_L2_CACH_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(DTLB)] = { + /* + * Only ITLB misses and DTLB refills are supported. + * If users want the DTLB refills misses a raw counter + * must be used. + */ + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_DTLB_REFILL, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_DTLB_REFILL, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(ITLB)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_ITLB_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_ITLB_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(BPU)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_PC_WRITE, + [C(RESULT_MISS)] + = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_PC_WRITE, + [C(RESULT_MISS)] + = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, +}; + +/* + * Cortex-A9 HW events mapping + */ +static const unsigned armv7_a9_perf_map[PERF_COUNT_HW_MAX] = { + [PERF_COUNT_HW_CPU_CYCLES] = ARMV7_PERFCTR_CPU_CYCLES, + [PERF_COUNT_HW_INSTRUCTIONS] = + ARMV7_PERFCTR_INST_OUT_OF_RENAME_STAGE, + [PERF_COUNT_HW_CACHE_REFERENCES] = ARMV7_PERFCTR_COHERENT_LINE_HIT, + [PERF_COUNT_HW_CACHE_MISSES] = ARMV7_PERFCTR_COHERENT_LINE_MISS, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = ARMV7_PERFCTR_PC_WRITE, + [PERF_COUNT_HW_BRANCH_MISSES] = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED, + [PERF_COUNT_HW_BUS_CYCLES] = ARMV7_PERFCTR_CLOCK_CYCLES, +}; + +static const unsigned armv7_a9_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = { + [C(L1D)] = { + /* + * The performance counters don't differentiate between read + * and write accesses/misses so this isn't strictly correct, + * but it's the best we can do. Writes and reads get + * combined. + */ + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_DCACHE_ACCESS, + [C(RESULT_MISS)] = ARMV7_PERFCTR_DCACHE_REFILL, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_DCACHE_ACCESS, + [C(RESULT_MISS)] = ARMV7_PERFCTR_DCACHE_REFILL, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(L1I)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_IFETCH_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_IFETCH_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(LL)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(DTLB)] = { + /* + * Only ITLB misses and DTLB refills are supported. + * If users want the DTLB refills misses a raw counter + * must be used. + */ + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_DTLB_REFILL, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_DTLB_REFILL, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(ITLB)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_ITLB_MISS, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = ARMV7_PERFCTR_ITLB_MISS, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, + [C(BPU)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_PC_WRITE, + [C(RESULT_MISS)] + = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = ARMV7_PERFCTR_PC_WRITE, + [C(RESULT_MISS)] + = ARMV7_PERFCTR_PC_BRANCH_MIS_PRED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, +}; + +/* + * Perf Events counters + */ +enum armv7_counters { + ARMV7_CYCLE_COUNTER = 1, /* Cycle counter */ + ARMV7_COUNTER0 = 2, /* First event counter */ +}; + +/* + * The cycle counter is ARMV7_CYCLE_COUNTER. + * The first event counter is ARMV7_COUNTER0. + * The last event counter is (ARMV7_COUNTER0 + armpmu->num_events - 1). + */ +#define ARMV7_COUNTER_LAST (ARMV7_COUNTER0 + armpmu->num_events - 1) + +/* + * ARMv7 low level PMNC access + */ + +/* + * Per-CPU PMNC: config reg + */ +#define ARMV7_PMNC_E (1 << 0) /* Enable all counters */ +#define ARMV7_PMNC_P (1 << 1) /* Reset all counters */ +#define ARMV7_PMNC_C (1 << 2) /* Cycle counter reset */ +#define ARMV7_PMNC_D (1 << 3) /* CCNT counts every 64th cpu cycle */ +#define ARMV7_PMNC_X (1 << 4) /* Export to ETM */ +#define ARMV7_PMNC_DP (1 << 5) /* Disable CCNT if non-invasive debug*/ +#define ARMV7_PMNC_N_SHIFT 11 /* Number of counters supported */ +#define ARMV7_PMNC_N_MASK 0x1f +#define ARMV7_PMNC_MASK 0x3f /* Mask for writable bits */ + +/* + * Available counters + */ +#define ARMV7_CNT0 0 /* First event counter */ +#define ARMV7_CCNT 31 /* Cycle counter */ + +/* Perf Event to low level counters mapping */ +#define ARMV7_EVENT_CNT_TO_CNTx (ARMV7_COUNTER0 - ARMV7_CNT0) + +/* + * CNTENS: counters enable reg + */ +#define ARMV7_CNTENS_P(idx) (1 << (idx - ARMV7_EVENT_CNT_TO_CNTx)) +#define ARMV7_CNTENS_C (1 << ARMV7_CCNT) + +/* + * CNTENC: counters disable reg + */ +#define ARMV7_CNTENC_P(idx) (1 << (idx - ARMV7_EVENT_CNT_TO_CNTx)) +#define ARMV7_CNTENC_C (1 << ARMV7_CCNT) + +/* + * INTENS: counters overflow interrupt enable reg + */ +#define ARMV7_INTENS_P(idx) (1 << (idx - ARMV7_EVENT_CNT_TO_CNTx)) +#define ARMV7_INTENS_C (1 << ARMV7_CCNT) + +/* + * INTENC: counters overflow interrupt disable reg + */ +#define ARMV7_INTENC_P(idx) (1 << (idx - ARMV7_EVENT_CNT_TO_CNTx)) +#define ARMV7_INTENC_C (1 << ARMV7_CCNT) + +/* + * EVTSEL: Event selection reg + */ +#define ARMV7_EVTSEL_MASK 0x7f /* Mask for writable bits */ + +/* + * SELECT: Counter selection reg + */ +#define ARMV7_SELECT_MASK 0x1f /* Mask for writable bits */ + +/* + * FLAG: counters overflow flag status reg + */ +#define ARMV7_FLAG_P(idx) (1 << (idx - ARMV7_EVENT_CNT_TO_CNTx)) +#define ARMV7_FLAG_C (1 << ARMV7_CCNT) +#define ARMV7_FLAG_MASK 0xffffffff /* Mask for writable bits */ +#define ARMV7_OVERFLOWED_MASK ARMV7_FLAG_MASK + +static inline unsigned long armv7_pmnc_read(void) +{ + u32 val; + asm volatile("mrc p15, 0, %0, c9, c12, 0" : "=r"(val)); + return val; +} + +static inline void armv7_pmnc_write(unsigned long val) +{ + val &= ARMV7_PMNC_MASK; + asm volatile("mcr p15, 0, %0, c9, c12, 0" : : "r"(val)); +} + +static inline int armv7_pmnc_has_overflowed(unsigned long pmnc) +{ + return pmnc & ARMV7_OVERFLOWED_MASK; +} + +static inline int armv7_pmnc_counter_has_overflowed(unsigned long pmnc, + enum armv7_counters counter) +{ + int ret; + + if (counter == ARMV7_CYCLE_COUNTER) + ret = pmnc & ARMV7_FLAG_C; + else if ((counter >= ARMV7_COUNTER0) && (counter <= ARMV7_COUNTER_LAST)) + ret = pmnc & ARMV7_FLAG_P(counter); + else + pr_err("CPU%u checking wrong counter %d overflow status\n", + smp_processor_id(), counter); + + return ret; +} + +static inline int armv7_pmnc_select_counter(unsigned int idx) +{ + u32 val; + + if ((idx < ARMV7_COUNTER0) || (idx > ARMV7_COUNTER_LAST)) { + pr_err("CPU%u selecting wrong PMNC counter" + " %d\n", smp_processor_id(), idx); + return -1; + } + + val = (idx - ARMV7_EVENT_CNT_TO_CNTx) & ARMV7_SELECT_MASK; + asm volatile("mcr p15, 0, %0, c9, c12, 5" : : "r" (val)); + + return idx; +} + +static inline u32 armv7pmu_read_counter(int idx) +{ + unsigned long value = 0; + + if (idx == ARMV7_CYCLE_COUNTER) + asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (value)); + else if ((idx >= ARMV7_COUNTER0) && (idx <= ARMV7_COUNTER_LAST)) { + if (armv7_pmnc_select_counter(idx) == idx) + asm volatile("mrc p15, 0, %0, c9, c13, 2" + : "=r" (value)); + } else + pr_err("CPU%u reading wrong counter %d\n", + smp_processor_id(), idx); + + return value; +} + +static inline void armv7pmu_write_counter(int idx, u32 value) +{ + if (idx == ARMV7_CYCLE_COUNTER) + asm volatile("mcr p15, 0, %0, c9, c13, 0" : : "r" (value)); + else if ((idx >= ARMV7_COUNTER0) && (idx <= ARMV7_COUNTER_LAST)) { + if (armv7_pmnc_select_counter(idx) == idx) + asm volatile("mcr p15, 0, %0, c9, c13, 2" + : : "r" (value)); + } else + pr_err("CPU%u writing wrong counter %d\n", + smp_processor_id(), idx); +} + +static inline void armv7_pmnc_write_evtsel(unsigned int idx, u32 val) +{ + if (armv7_pmnc_select_counter(idx) == idx) { + val &= ARMV7_EVTSEL_MASK; + asm volatile("mcr p15, 0, %0, c9, c13, 1" : : "r" (val)); + } +} + +static inline u32 armv7_pmnc_enable_counter(unsigned int idx) +{ + u32 val; + + if ((idx != ARMV7_CYCLE_COUNTER) && + ((idx < ARMV7_COUNTER0) || (idx > ARMV7_COUNTER_LAST))) { + pr_err("CPU%u enabling wrong PMNC counter" + " %d\n", smp_processor_id(), idx); + return -1; + } + + if (idx == ARMV7_CYCLE_COUNTER) + val = ARMV7_CNTENS_C; + else + val = ARMV7_CNTENS_P(idx); + + asm volatile("mcr p15, 0, %0, c9, c12, 1" : : "r" (val)); + + return idx; +} + +static inline u32 armv7_pmnc_disable_counter(unsigned int idx) +{ + u32 val; + + + if ((idx != ARMV7_CYCLE_COUNTER) && + ((idx < ARMV7_COUNTER0) || (idx > ARMV7_COUNTER_LAST))) { + pr_err("CPU%u disabling wrong PMNC counter" + " %d\n", smp_processor_id(), idx); + return -1; + } + + if (idx == ARMV7_CYCLE_COUNTER) + val = ARMV7_CNTENC_C; + else + val = ARMV7_CNTENC_P(idx); + + asm volatile("mcr p15, 0, %0, c9, c12, 2" : : "r" (val)); + + return idx; +} + +static inline u32 armv7_pmnc_enable_intens(unsigned int idx) +{ + u32 val; + + if ((idx != ARMV7_CYCLE_COUNTER) && + ((idx < ARMV7_COUNTER0) || (idx > ARMV7_COUNTER_LAST))) { + pr_err("CPU%u enabling wrong PMNC counter" + " interrupt enable %d\n", smp_processor_id(), idx); + return -1; + } + + if (idx == ARMV7_CYCLE_COUNTER) + val = ARMV7_INTENS_C; + else + val = ARMV7_INTENS_P(idx); + + asm volatile("mcr p15, 0, %0, c9, c14, 1" : : "r" (val)); + + return idx; +} + +static inline u32 armv7_pmnc_disable_intens(unsigned int idx) +{ + u32 val; + + if ((idx != ARMV7_CYCLE_COUNTER) && + ((idx < ARMV7_COUNTER0) || (idx > ARMV7_COUNTER_LAST))) { + pr_err("CPU%u disabling wrong PMNC counter" + " interrupt enable %d\n", smp_processor_id(), idx); + return -1; + } + + if (idx == ARMV7_CYCLE_COUNTER) + val = ARMV7_INTENC_C; + else + val = ARMV7_INTENC_P(idx); + + asm volatile("mcr p15, 0, %0, c9, c14, 2" : : "r" (val)); + + return idx; +} + +static inline u32 armv7_pmnc_getreset_flags(void) +{ + u32 val; + + /* Read */ + asm volatile("mrc p15, 0, %0, c9, c12, 3" : "=r" (val)); + + /* Write to clear flags */ + val &= ARMV7_FLAG_MASK; + asm volatile("mcr p15, 0, %0, c9, c12, 3" : : "r" (val)); + + return val; +} + +#ifdef DEBUG +static void armv7_pmnc_dump_regs(void) +{ + u32 val; + unsigned int cnt; + + printk(KERN_INFO "PMNC registers dump:\n"); + + asm volatile("mrc p15, 0, %0, c9, c12, 0" : "=r" (val)); + printk(KERN_INFO "PMNC =0x%08x\n", val); + + asm volatile("mrc p15, 0, %0, c9, c12, 1" : "=r" (val)); + printk(KERN_INFO "CNTENS=0x%08x\n", val); + + asm volatile("mrc p15, 0, %0, c9, c14, 1" : "=r" (val)); + printk(KERN_INFO "INTENS=0x%08x\n", val); + + asm volatile("mrc p15, 0, %0, c9, c12, 3" : "=r" (val)); + printk(KERN_INFO "FLAGS =0x%08x\n", val); + + asm volatile("mrc p15, 0, %0, c9, c12, 5" : "=r" (val)); + printk(KERN_INFO "SELECT=0x%08x\n", val); + + asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (val)); + printk(KERN_INFO "CCNT =0x%08x\n", val); + + for (cnt = ARMV7_COUNTER0; cnt < ARMV7_COUNTER_LAST; cnt++) { + armv7_pmnc_select_counter(cnt); + asm volatile("mrc p15, 0, %0, c9, c13, 2" : "=r" (val)); + printk(KERN_INFO "CNT[%d] count =0x%08x\n", + cnt-ARMV7_EVENT_CNT_TO_CNTx, val); + asm volatile("mrc p15, 0, %0, c9, c13, 1" : "=r" (val)); + printk(KERN_INFO "CNT[%d] evtsel=0x%08x\n", + cnt-ARMV7_EVENT_CNT_TO_CNTx, val); + } +} +#endif + +void armv7pmu_enable_event(struct hw_perf_event *hwc, int idx) +{ + unsigned long flags; + + /* + * Enable counter and interrupt, and set the counter to count + * the event that we're interested in. + */ + spin_lock_irqsave(&pmu_lock, flags); + + /* + * Disable counter + */ + armv7_pmnc_disable_counter(idx); + + /* + * Set event (if destined for PMNx counters) + * We don't need to set the event if it's a cycle count + */ + if (idx != ARMV7_CYCLE_COUNTER) + armv7_pmnc_write_evtsel(idx, hwc->config_base); + + /* + * Enable interrupt for this counter + */ + armv7_pmnc_enable_intens(idx); + + /* + * Enable counter + */ + armv7_pmnc_enable_counter(idx); + + spin_unlock_irqrestore(&pmu_lock, flags); +} + +static void armv7pmu_disable_event(struct hw_perf_event *hwc, int idx) +{ + unsigned long flags; + + /* + * Disable counter and interrupt + */ + spin_lock_irqsave(&pmu_lock, flags); + + /* + * Disable counter + */ + armv7_pmnc_disable_counter(idx); + + /* + * Disable interrupt for this counter + */ + armv7_pmnc_disable_intens(idx); + + spin_unlock_irqrestore(&pmu_lock, flags); +} + +static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev) +{ + unsigned long pmnc; + struct perf_sample_data data; + struct cpu_hw_events *cpuc; + struct pt_regs *regs; + int idx; + + /* + * Get and reset the IRQ flags + */ + pmnc = armv7_pmnc_getreset_flags(); + + /* + * Did an overflow occur? + */ + if (!armv7_pmnc_has_overflowed(pmnc)) + return IRQ_NONE; + + /* + * Handle the counter(s) overflow(s) + */ + regs = get_irq_regs(); + + data.addr = 0; + + cpuc = &__get_cpu_var(cpu_hw_events); + for (idx = 0; idx <= armpmu->num_events; ++idx) { + struct perf_event *event = cpuc->events[idx]; + struct hw_perf_event *hwc; + + if (!test_bit(idx, cpuc->active_mask)) + continue; + + /* + * We have a single interrupt for all counters. Check that + * each counter has overflowed before we process it. + */ + if (!armv7_pmnc_counter_has_overflowed(pmnc, idx)) + continue; + + hwc = &event->hw; + armpmu_event_update(event, hwc, idx); + data.period = event->hw.last_period; + if (!armpmu_event_set_period(event, hwc, idx)) + continue; + + if (perf_event_overflow(event, 0, &data, regs)) + armpmu->disable(hwc, idx); + } + + /* + * Handle the pending perf events. + * + * Note: this call *must* be run with interrupts enabled. For + * platforms that can have the PMU interrupts raised as a PMI, this + * will not work. + */ + perf_event_do_pending(); + + return IRQ_HANDLED; +} + +static void armv7pmu_start(void) +{ + unsigned long flags; + + spin_lock_irqsave(&pmu_lock, flags); + /* Enable all counters */ + armv7_pmnc_write(armv7_pmnc_read() | ARMV7_PMNC_E); + spin_unlock_irqrestore(&pmu_lock, flags); +} + +static void armv7pmu_stop(void) +{ + unsigned long flags; + + spin_lock_irqsave(&pmu_lock, flags); + /* Disable all counters */ + armv7_pmnc_write(armv7_pmnc_read() & ~ARMV7_PMNC_E); + spin_unlock_irqrestore(&pmu_lock, flags); +} + +static inline int armv7_a8_pmu_event_map(int config) +{ + int mapping = armv7_a8_perf_map[config]; + if (HW_OP_UNSUPPORTED == mapping) + mapping = -EOPNOTSUPP; + return mapping; +} + +static inline int armv7_a9_pmu_event_map(int config) +{ + int mapping = armv7_a9_perf_map[config]; + if (HW_OP_UNSUPPORTED == mapping) + mapping = -EOPNOTSUPP; + return mapping; +} + +static u64 armv7pmu_raw_event(u64 config) +{ + return config & 0xff; +} + +static int armv7pmu_get_event_idx(struct cpu_hw_events *cpuc, + struct hw_perf_event *event) +{ + int idx; + + /* Always place a cycle counter into the cycle counter. */ + if (event->config_base == ARMV7_PERFCTR_CPU_CYCLES) { + if (test_and_set_bit(ARMV7_CYCLE_COUNTER, cpuc->used_mask)) + return -EAGAIN; + + return ARMV7_CYCLE_COUNTER; + } else { + /* + * For anything other than a cycle counter, try and use + * the events counters + */ + for (idx = ARMV7_COUNTER0; idx <= armpmu->num_events; ++idx) { + if (!test_and_set_bit(idx, cpuc->used_mask)) + return idx; + } + + /* The counters are all in use. */ + return -EAGAIN; + } +} + +static struct arm_pmu armv7pmu = { + .handle_irq = armv7pmu_handle_irq, + .enable = armv7pmu_enable_event, + .disable = armv7pmu_disable_event, + .raw_event = armv7pmu_raw_event, + .read_counter = armv7pmu_read_counter, + .write_counter = armv7pmu_write_counter, + .get_event_idx = armv7pmu_get_event_idx, + .start = armv7pmu_start, + .stop = armv7pmu_stop, + .max_period = (1LLU << 32) - 1, +}; + +static u32 __init armv7_reset_read_pmnc(void) +{ + u32 nb_cnt; + + /* Initialize & Reset PMNC: C and P bits */ + armv7_pmnc_write(ARMV7_PMNC_P | ARMV7_PMNC_C); + + /* Read the nb of CNTx counters supported from PMNC */ + nb_cnt = (armv7_pmnc_read() >> ARMV7_PMNC_N_SHIFT) & ARMV7_PMNC_N_MASK; + + /* Add the CPU cycles counter and return */ + return nb_cnt + 1; +} + +static int __init +init_hw_perf_events(void) +{ + unsigned long cpuid = read_cpuid_id(); + unsigned long implementor = (cpuid & 0xFF000000) >> 24; + unsigned long part_number = (cpuid & 0xFFF0); + + /* We only support ARM CPUs implemented by ARM at the moment. */ + if (0x41 == implementor) { + switch (part_number) { + case 0xB360: /* ARM1136 */ + case 0xB560: /* ARM1156 */ + case 0xB760: /* ARM1176 */ + armpmu = &armv6pmu; + memcpy(armpmu_perf_cache_map, armv6_perf_cache_map, + sizeof(armv6_perf_cache_map)); + perf_max_events = armv6pmu.num_events; + break; + case 0xB020: /* ARM11mpcore */ + armpmu = &armv6mpcore_pmu; + memcpy(armpmu_perf_cache_map, + armv6mpcore_perf_cache_map, + sizeof(armv6mpcore_perf_cache_map)); + perf_max_events = armv6mpcore_pmu.num_events; + break; + case 0xC080: /* Cortex-A8 */ + armv7pmu.name = ARMV7_PMU_CORTEX_A8_NAME; + memcpy(armpmu_perf_cache_map, armv7_a8_perf_cache_map, + sizeof(armv7_a8_perf_cache_map)); + armv7pmu.event_map = armv7_a8_pmu_event_map; + armpmu = &armv7pmu; + + /* Reset PMNC and read the nb of CNTx counters + supported */ + armv7pmu.num_events = armv7_reset_read_pmnc(); + perf_max_events = armv7pmu.num_events; + break; + case 0xC090: /* Cortex-A9 */ + armv7pmu.name = ARMV7_PMU_CORTEX_A9_NAME; + memcpy(armpmu_perf_cache_map, armv7_a9_perf_cache_map, + sizeof(armv7_a9_perf_cache_map)); + armv7pmu.event_map = armv7_a9_pmu_event_map; + armpmu = &armv7pmu; + + /* Reset PMNC and read the nb of CNTx counters + supported */ + armv7pmu.num_events = armv7_reset_read_pmnc(); + perf_max_events = armv7pmu.num_events; + break; + default: + pr_info("no hardware support available\n"); + perf_max_events = -1; + } + } + + if (armpmu) + pr_info("enabled with %s PMU driver, %d counters available\n", + armpmu->name, armpmu->num_events); + + return 0; +} +arch_initcall(init_hw_perf_events); + +/* + * Callchain handling code. + */ +static inline void +callchain_store(struct perf_callchain_entry *entry, + u64 ip) +{ + if (entry->nr < PERF_MAX_STACK_DEPTH) + entry->ip[entry->nr++] = ip; +} + +/* + * The registers we're interested in are at the end of the variable + * length saved register structure. The fp points at the end of this + * structure so the address of this struct is: + * (struct frame_tail *)(xxx->fp)-1 + * + * This code has been adapted from the ARM OProfile support. + */ +struct frame_tail { + struct frame_tail *fp; + unsigned long sp; + unsigned long lr; +} __attribute__((packed)); + +/* + * Get the return address for a single stackframe and return a pointer to the + * next frame tail. + */ +static struct frame_tail * +user_backtrace(struct frame_tail *tail, + struct perf_callchain_entry *entry) +{ + struct frame_tail buftail; + + /* Also check accessibility of one struct frame_tail beyond */ + if (!access_ok(VERIFY_READ, tail, sizeof(buftail))) + return NULL; + if (__copy_from_user_inatomic(&buftail, tail, sizeof(buftail))) + return NULL; + + callchain_store(entry, buftail.lr); + + /* + * Frame pointers should strictly progress back up the stack + * (towards higher addresses). + */ + if (tail >= buftail.fp) + return NULL; + + return buftail.fp - 1; +} + +static void +perf_callchain_user(struct pt_regs *regs, + struct perf_callchain_entry *entry) +{ + struct frame_tail *tail; + + callchain_store(entry, PERF_CONTEXT_USER); + + if (!user_mode(regs)) + regs = task_pt_regs(current); + + tail = (struct frame_tail *)regs->ARM_fp - 1; + + while (tail && !((unsigned long)tail & 0x3)) + tail = user_backtrace(tail, entry); +} + +/* + * Gets called by walk_stackframe() for every stackframe. This will be called + * whist unwinding the stackframe and is like a subroutine return so we use + * the PC. + */ +static int +callchain_trace(struct stackframe *fr, + void *data) +{ + struct perf_callchain_entry *entry = data; + callchain_store(entry, fr->pc); + return 0; +} + +static void +perf_callchain_kernel(struct pt_regs *regs, + struct perf_callchain_entry *entry) +{ + struct stackframe fr; + + callchain_store(entry, PERF_CONTEXT_KERNEL); + fr.fp = regs->ARM_fp; + fr.sp = regs->ARM_sp; + fr.lr = regs->ARM_lr; + fr.pc = regs->ARM_pc; + walk_stackframe(&fr, callchain_trace, entry); +} + +static void +perf_do_callchain(struct pt_regs *regs, + struct perf_callchain_entry *entry) +{ + int is_user; + + if (!regs) + return; + + is_user = user_mode(regs); + + if (!current || !current->pid) + return; + + if (is_user && current->state != TASK_RUNNING) + return; + + if (!is_user) + perf_callchain_kernel(regs, entry); + + if (current->mm) + perf_callchain_user(regs, entry); +} + +static DEFINE_PER_CPU(struct perf_callchain_entry, pmc_irq_entry); + +struct perf_callchain_entry * +perf_callchain(struct pt_regs *regs) +{ + struct perf_callchain_entry *entry = &__get_cpu_var(pmc_irq_entry); + + entry->nr = 0; + perf_do_callchain(regs, entry); + return entry; +} diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c new file mode 100644 index 0000000..a124312 --- /dev/null +++ b/arch/arm/kernel/pmu.c @@ -0,0 +1,103 @@ +/* + * linux/arch/arm/kernel/pmu.c + * + * Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles + * + * 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/cpumask.h> +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/module.h> + +#include <asm/pmu.h> + +/* + * Define the IRQs for the system. We could use something like a platform + * device but that seems fairly heavyweight for this. Also, the performance + * counters can't be removed or hotplugged. + * + * Ordering is important: init_pmu() will use the ordering to set the affinity + * to the corresponding core. e.g. the first interrupt will go to cpu 0, the + * second goes to cpu 1 etc. + */ +static const int irqs[] = { +#if defined(CONFIG_ARCH_OMAP2) + 3, +#elif defined(CONFIG_ARCH_BCMRING) + IRQ_PMUIRQ, +#elif defined(CONFIG_MACH_REALVIEW_EB) + IRQ_EB11MP_PMU_CPU0, + IRQ_EB11MP_PMU_CPU1, + IRQ_EB11MP_PMU_CPU2, + IRQ_EB11MP_PMU_CPU3, +#elif defined(CONFIG_ARCH_OMAP3) + INT_34XX_BENCH_MPU_EMUL, +#elif defined(CONFIG_ARCH_IOP32X) + IRQ_IOP32X_CORE_PMU, +#elif defined(CONFIG_ARCH_IOP33X) + IRQ_IOP33X_CORE_PMU, +#elif defined(CONFIG_ARCH_PXA) + IRQ_PMU, +#endif +}; + +static const struct pmu_irqs pmu_irqs = { + .irqs = irqs, + .num_irqs = ARRAY_SIZE(irqs), +}; + +static volatile long pmu_lock; + +const struct pmu_irqs * +reserve_pmu(void) +{ + return test_and_set_bit_lock(0, &pmu_lock) ? ERR_PTR(-EBUSY) : + &pmu_irqs; +} +EXPORT_SYMBOL_GPL(reserve_pmu); + +int +release_pmu(const struct pmu_irqs *irqs) +{ + if (WARN_ON(irqs != &pmu_irqs)) + return -EINVAL; + clear_bit_unlock(0, &pmu_lock); + return 0; +} +EXPORT_SYMBOL_GPL(release_pmu); + +static int +set_irq_affinity(int irq, + unsigned int cpu) +{ +#ifdef CONFIG_SMP + int err = irq_set_affinity(irq, cpumask_of(cpu)); + if (err) + pr_warning("unable to set irq affinity (irq=%d, cpu=%u)\n", + irq, cpu); + return err; +#else + return 0; +#endif +} + +int +init_pmu(void) +{ + int i, err = 0; + + for (i = 0; i < pmu_irqs.num_irqs; ++i) { + err = set_irq_affinity(pmu_irqs.irqs[i], i); + if (err) + break; + } + + return err; +} +EXPORT_SYMBOL_GPL(init_pmu); diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index a2ea385..08f899f 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -499,10 +499,41 @@ static struct undef_hook thumb_break_hook = { .fn = break_trap, }; +static int thumb2_break_trap(struct pt_regs *regs, unsigned int instr) +{ + unsigned int instr2; + void __user *pc; + + /* Check the second half of the instruction. */ + pc = (void __user *)(instruction_pointer(regs) + 2); + + if (processor_mode(regs) == SVC_MODE) { + instr2 = *(u16 *) pc; + } else { + get_user(instr2, (u16 __user *)pc); + } + + if (instr2 == 0xa000) { + ptrace_break(current, regs); + return 0; + } else { + return 1; + } +} + +static struct undef_hook thumb2_break_hook = { + .instr_mask = 0xffff, + .instr_val = 0xf7f0, + .cpsr_mask = PSR_T_BIT, + .cpsr_val = PSR_T_BIT, + .fn = thumb2_break_trap, +}; + static int __init ptrace_break_init(void) { register_undef_hook(&arm_break_hook); register_undef_hook(&thumb_break_hook); + register_undef_hook(&thumb2_break_hook); return 0; } @@ -669,7 +700,7 @@ static int ptrace_getvfpregs(struct task_struct *tsk, void __user *data) union vfp_state *vfp = &thread->vfpstate; struct user_vfp __user *ufp = data; - vfp_sync_state(thread); + vfp_sync_hwstate(thread); /* copy the floating point registers */ if (copy_to_user(&ufp->fpregs, &vfp->hard.fpregs, @@ -692,7 +723,7 @@ static int ptrace_setvfpregs(struct task_struct *tsk, void __user *data) union vfp_state *vfp = &thread->vfpstate; struct user_vfp __user *ufp = data; - vfp_sync_state(thread); + vfp_sync_hwstate(thread); /* copy the floating point registers */ if (copy_from_user(&vfp->hard.fpregs, &ufp->fpregs, @@ -703,6 +734,8 @@ static int ptrace_setvfpregs(struct task_struct *tsk, void __user *data) if (get_user(vfp->hard.fpscr, &ufp->fpscr)) return -EFAULT; + vfp_flush_hwstate(thread); + return 0; } #endif @@ -712,26 +745,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int ret; switch (request) { - /* - * read word at location "addr" in the child process. - */ - case PTRACE_PEEKTEXT: - case PTRACE_PEEKDATA: - ret = generic_ptrace_peekdata(child, addr, data); - break; - case PTRACE_PEEKUSR: ret = ptrace_read_user(child, addr, (unsigned long __user *)data); break; - /* - * write the word at location addr. - */ - case PTRACE_POKETEXT: - case PTRACE_POKEDATA: - ret = generic_ptrace_pokedata(child, addr, data); - break; - case PTRACE_POKEUSR: ret = ptrace_write_user(child, addr, data); break; diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 621acad..c91c77b 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -24,6 +24,7 @@ #include <linux/interrupt.h> #include <linux/smp.h> #include <linux/fs.h> +#include <linux/proc_fs.h> #include <asm/unified.h> #include <asm/cpu.h> @@ -118,7 +119,7 @@ EXPORT_SYMBOL(elf_platform); static const char *cpu_name; static const char *machine_name; -static char __initdata command_line[COMMAND_LINE_SIZE]; +static char __initdata cmd_line[COMMAND_LINE_SIZE]; static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE; static union { char c[4]; unsigned long l; } endian_test __initdata = { { 'l', '?', '?', 'b' } }; @@ -418,10 +419,11 @@ static int __init arm_add_memory(unsigned long start, unsigned long size) * Pick out the memory size. We look for mem=size@start, * where start and size are "size[KkMm]" */ -static void __init early_mem(char **p) +static int __init early_mem(char *p) { static int usermem __initdata = 0; unsigned long size, start; + char *endp; /* * If the user specifies memory size, we @@ -434,52 +436,15 @@ static void __init early_mem(char **p) } start = PHYS_OFFSET; - size = memparse(*p, p); - if (**p == '@') - start = memparse(*p + 1, p); + size = memparse(p, &endp); + if (*endp == '@') + start = memparse(endp + 1, NULL); arm_add_memory(start, size); -} -__early_param("mem=", early_mem); -/* - * Initial parsing of the command line. - */ -static void __init parse_cmdline(char **cmdline_p, char *from) -{ - char c = ' ', *to = command_line; - int len = 0; - - for (;;) { - if (c == ' ') { - extern struct early_params __early_begin, __early_end; - struct early_params *p; - - for (p = &__early_begin; p < &__early_end; p++) { - int arglen = strlen(p->arg); - - if (memcmp(from, p->arg, arglen) == 0) { - if (to != command_line) - to -= 1; - from += arglen; - p->fn(&from); - - while (*from != ' ' && *from != '\0') - from++; - break; - } - } - } - c = *from++; - if (!c) - break; - if (COMMAND_LINE_SIZE <= ++len) - break; - *to++ = c; - } - *to = '\0'; - *cmdline_p = command_line; + return 0; } +early_param("mem", early_mem); static void __init setup_ramdisk(int doload, int prompt, int image_start, unsigned int rd_sz) @@ -740,9 +705,15 @@ void __init setup_arch(char **cmdline_p) init_mm.end_data = (unsigned long) _edata; init_mm.brk = (unsigned long) _end; - memcpy(boot_command_line, from, COMMAND_LINE_SIZE); - boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; - parse_cmdline(cmdline_p, from); + /* parse_early_param needs a boot_command_line */ + strlcpy(boot_command_line, from, COMMAND_LINE_SIZE); + + /* populate cmd_line too for later use, preserving boot_command_line */ + strlcpy(cmd_line, boot_command_line, COMMAND_LINE_SIZE); + *cmdline_p = cmd_line; + + parse_early_param(); + paging_init(mdesc); request_standard_resources(&meminfo, mdesc); @@ -783,9 +754,21 @@ static int __init topology_init(void) return 0; } - subsys_initcall(topology_init); +#ifdef CONFIG_HAVE_PROC_CPU +static int __init proc_cpu_init(void) +{ + struct proc_dir_entry *res; + + res = proc_mkdir("cpu", NULL); + if (!res) + return -ENOMEM; + return 0; +} +fs_initcall(proc_cpu_init); +#endif + static const char *hwcap_str[] = { "swp", "half", diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index d38cdf2..2875380 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -10,11 +10,6 @@ * * This file contains the ARM-specific time handling details: * reading the RTC at bootup, etc... - * - * 1994-07-02 Alan Modra - * fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime - * 1998-12-20 Updated NTP code according to technical memorandum Jan '96 - * "A Kernel Model for Precision Timekeeping" by Dave Mills */ #include <linux/module.h> #include <linux/kernel.h> @@ -77,11 +72,6 @@ unsigned long profile_pc(struct pt_regs *regs) EXPORT_SYMBOL(profile_pc); #endif -/* - * hook for setting the RTC's idea of the current time. - */ -int (*set_rtc)(void); - #ifndef CONFIG_GENERIC_TIME static unsigned long dummy_gettimeoffset(void) { @@ -89,140 +79,6 @@ static unsigned long dummy_gettimeoffset(void) } #endif -static unsigned long next_rtc_update; - -/* - * If we have an externally synchronized linux clock, then update - * CMOS clock accordingly every ~11 minutes. set_rtc() has to be - * called as close as possible to 500 ms before the new second - * starts. - */ -static inline void do_set_rtc(void) -{ - if (!ntp_synced() || set_rtc == NULL) - return; - - if (next_rtc_update && - time_before((unsigned long)xtime.tv_sec, next_rtc_update)) - return; - - if (xtime.tv_nsec < 500000000 - ((unsigned) tick_nsec >> 1) && - xtime.tv_nsec >= 500000000 + ((unsigned) tick_nsec >> 1)) - return; - - if (set_rtc()) - /* - * rtc update failed. Try again in 60s - */ - next_rtc_update = xtime.tv_sec + 60; - else - next_rtc_update = xtime.tv_sec + 660; -} - -#ifdef CONFIG_LEDS - -static void dummy_leds_event(led_event_t evt) -{ -} - -void (*leds_event)(led_event_t) = dummy_leds_event; - -struct leds_evt_name { - const char name[8]; - int on; - int off; -}; - -static const struct leds_evt_name evt_names[] = { - { "amber", led_amber_on, led_amber_off }, - { "blue", led_blue_on, led_blue_off }, - { "green", led_green_on, led_green_off }, - { "red", led_red_on, led_red_off }, -}; - -static ssize_t leds_store(struct sys_device *dev, - struct sysdev_attribute *attr, - const char *buf, size_t size) -{ - int ret = -EINVAL, len = strcspn(buf, " "); - - if (len > 0 && buf[len] == '\0') - len--; - - if (strncmp(buf, "claim", len) == 0) { - leds_event(led_claim); - ret = size; - } else if (strncmp(buf, "release", len) == 0) { - leds_event(led_release); - ret = size; - } else { - int i; - - for (i = 0; i < ARRAY_SIZE(evt_names); i++) { - if (strlen(evt_names[i].name) != len || - strncmp(buf, evt_names[i].name, len) != 0) - continue; - if (strncmp(buf+len, " on", 3) == 0) { - leds_event(evt_names[i].on); - ret = size; - } else if (strncmp(buf+len, " off", 4) == 0) { - leds_event(evt_names[i].off); - ret = size; - } - break; - } - } - return ret; -} - -static SYSDEV_ATTR(event, 0200, NULL, leds_store); - -static int leds_suspend(struct sys_device *dev, pm_message_t state) -{ - leds_event(led_stop); - return 0; -} - -static int leds_resume(struct sys_device *dev) -{ - leds_event(led_start); - return 0; -} - -static int leds_shutdown(struct sys_device *dev) -{ - leds_event(led_halted); - return 0; -} - -static struct sysdev_class leds_sysclass = { - .name = "leds", - .shutdown = leds_shutdown, - .suspend = leds_suspend, - .resume = leds_resume, -}; - -static struct sys_device leds_device = { - .id = 0, - .cls = &leds_sysclass, -}; - -static int __init leds_init(void) -{ - int ret; - ret = sysdev_class_register(&leds_sysclass); - if (ret == 0) - ret = sysdev_register(&leds_device); - if (ret == 0) - ret = sysdev_create_file(&leds_device, &attr_event); - return ret; -} - -device_initcall(leds_init); - -EXPORT_SYMBOL(leds_event); -#endif - #ifdef CONFIG_LEDS_TIMER static inline void do_leds(void) { @@ -295,39 +151,6 @@ int do_settimeofday(struct timespec *tv) EXPORT_SYMBOL(do_settimeofday); #endif /* !CONFIG_GENERIC_TIME */ -/** - * save_time_delta - Save the offset between system time and RTC time - * @delta: pointer to timespec to store delta - * @rtc: pointer to timespec for current RTC time - * - * Return a delta between the system time and the RTC time, such - * that system time can be restored later with restore_time_delta() - */ -void save_time_delta(struct timespec *delta, struct timespec *rtc) -{ - set_normalized_timespec(delta, - xtime.tv_sec - rtc->tv_sec, - xtime.tv_nsec - rtc->tv_nsec); -} -EXPORT_SYMBOL(save_time_delta); - -/** - * restore_time_delta - Restore the current system time - * @delta: delta returned by save_time_delta() - * @rtc: pointer to timespec for current RTC time - */ -void restore_time_delta(struct timespec *delta, struct timespec *rtc) -{ - struct timespec ts; - - set_normalized_timespec(&ts, - delta->tv_sec + rtc->tv_sec, - delta->tv_nsec + rtc->tv_nsec); - - do_settimeofday(&ts); -} -EXPORT_SYMBOL(restore_time_delta); - #ifndef CONFIG_GENERIC_CLOCKEVENTS /* * Kernel system timer support. @@ -336,7 +159,6 @@ void timer_tick(void) { profile_tick(CPU_PROFILING); do_leds(); - do_set_rtc(); write_seqlock(&xtime_lock); do_timer(1); write_sequnlock(&xtime_lock); diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 3f361a7..1621e53 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -12,15 +12,17 @@ * 'linux/arch/arm/lib/traps.S'. Mostly a debugging aid, but will probably * kill the offending process. */ -#include <linux/module.h> #include <linux/signal.h> -#include <linux/spinlock.h> #include <linux/personality.h> #include <linux/kallsyms.h> -#include <linux/delay.h> +#include <linux/spinlock.h> +#include <linux/uaccess.h> #include <linux/hardirq.h> +#include <linux/kdebug.h> +#include <linux/module.h> +#include <linux/kexec.h> +#include <linux/delay.h> #include <linux/init.h> -#include <linux/uaccess.h> #include <asm/atomic.h> #include <asm/cacheflush.h> @@ -224,14 +226,21 @@ void show_stack(struct task_struct *tsk, unsigned long *sp) #define S_SMP "" #endif -static void __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs) +static int __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs) { struct task_struct *tsk = thread->task; static int die_counter; + int ret; printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n", str, err, ++die_counter); sysfs_printk_last_file(); + + /* trap and error numbers are mostly meaningless on ARM */ + ret = notify_die(DIE_OOPS, str, regs, err, tsk->thread.trap_no, SIGSEGV); + if (ret == NOTIFY_STOP) + return ret; + print_modules(); __show_regs(regs); printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n", @@ -243,6 +252,8 @@ static void __die(const char *str, int err, struct thread_info *thread, struct p dump_backtrace(regs, tsk); dump_instr(KERN_EMERG, regs); } + + return ret; } DEFINE_SPINLOCK(die_lock); @@ -250,16 +261,21 @@ DEFINE_SPINLOCK(die_lock); /* * This function is protected against re-entrancy. */ -NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) +void die(const char *str, struct pt_regs *regs, int err) { struct thread_info *thread = current_thread_info(); + int ret; oops_enter(); spin_lock_irq(&die_lock); console_verbose(); bust_spinlocks(1); - __die(str, err, thread, regs); + ret = __die(str, err, thread, regs); + + if (regs && kexec_should_crash(thread->task)) + crash_kexec(regs); + bust_spinlocks(0); add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); @@ -267,11 +283,10 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) if (in_interrupt()) panic("Fatal exception in interrupt"); - if (panic_on_oops) panic("Fatal exception"); - - do_exit(SIGSEGV); + if (ret != NOTIFY_STOP) + do_exit(SIGSEGV); } void arm_notify_die(const char *str, struct pt_regs *regs, diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 4957e13e..b16c079 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -43,10 +43,6 @@ SECTIONS INIT_SETUP(16) - __early_begin = .; - *(.early_param.init) - __early_end = .; - INIT_CALLS CON_INITCALL SECURITY_INITCALL diff --git a/arch/arm/mach-aaec2000/include/mach/debug-macro.S b/arch/arm/mach-aaec2000/include/mach/debug-macro.S index 0b6351d..a9cac36 100644 --- a/arch/arm/mach-aaec2000/include/mach/debug-macro.S +++ b/arch/arm/mach-aaec2000/include/mach/debug-macro.S @@ -10,7 +10,7 @@ */ #include "hardware.h" - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x80000000 @ physical diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 0b2ee95..2db43a5 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -89,6 +89,12 @@ config ARCH_AT91CAP9 select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL +config ARCH_AT572D940HF + bool "AT572D940HF" + select CPU_ARM926T + select GENERIC_TIME + select GENERIC_CLOCKEVENTS + config ARCH_AT91X40 bool "AT91x40" @@ -390,6 +396,23 @@ endif # ---------------------------------------------------------- +if ARCH_AT572D940HF + +comment "AT572D940HF Board Type" + +config MACH_AT572D940HFEB + bool "AT572D940HF-EK" + depends on ARCH_AT572D940HF + select HAVE_AT91_DATAFLASH_CARD + select HAVE_NAND_ATMEL_BUSWIDTH_16 + help + Select this if you are using Atmel's AT572D940HF-EK evaluation kit. + <http://www.atmel.com/products/diopsis/default.asp> + +endif + +# ---------------------------------------------------------- + if ARCH_AT91X40 comment "AT91X40 Board Type" diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 709fbad..027dd57 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devi obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91SAM9G45) += at91sam9g45.o at91sam926x_time.o at91sam9g45_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT572D940HF) += at572d940hf.o at91sam926x_time.o at572d940hf_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o # AT91RM9200 board-specific support @@ -69,6 +70,9 @@ obj-$(CONFIG_MACH_AT91SAM9G45EKES) += board-sam9m10g45ek.o # AT91CAP9 board-specific support obj-$(CONFIG_MACH_AT91CAP9ADK) += board-cap9adk.o +# AT572D940HF board-specific support +obj-$(CONFIG_MACH_AT572D940HFEB) += board-at572d940hf_ek.o + # AT91X40 board-specific support obj-$(CONFIG_MACH_AT91EB01) += board-eb01.o diff --git a/arch/arm/mach-at91/at572d940hf.c b/arch/arm/mach-at91/at572d940hf.c new file mode 100644 index 0000000..a6b9c68 --- /dev/null +++ b/arch/arm/mach-at91/at572d940hf.c @@ -0,0 +1,377 @@ +/* + * arch/arm/mach-at91/at572d940hf.c + * + * Antonio R. Costa <costa.antonior@gmail.com> + * Copyright (C) 2008 Atmel + * + * Copyright (C) 2005 SAN People + * + * 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/module.h> + +#include <asm/mach/irq.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <mach/at572d940hf.h> +#include <mach/at91_pmc.h> +#include <mach/at91_rstc.h> + +#include "generic.h" +#include "clock.h" + +static struct map_desc at572d940hf_io_desc[] __initdata = { + { + .virtual = AT91_VA_BASE_SYS, + .pfn = __phys_to_pfn(AT91_BASE_SYS), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = AT91_IO_VIRT_BASE - AT572D940HF_SRAM_SIZE, + .pfn = __phys_to_pfn(AT572D940HF_SRAM_BASE), + .length = AT572D940HF_SRAM_SIZE, + .type = MT_DEVICE, + }, +}; + +/* -------------------------------------------------------------------- + * Clocks + * -------------------------------------------------------------------- */ + +/* + * The peripheral clocks. + */ +static struct clk pioA_clk = { + .name = "pioA_clk", + .pmc_mask = 1 << AT572D940HF_ID_PIOA, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk pioB_clk = { + .name = "pioB_clk", + .pmc_mask = 1 << AT572D940HF_ID_PIOB, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk pioC_clk = { + .name = "pioC_clk", + .pmc_mask = 1 << AT572D940HF_ID_PIOC, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk macb_clk = { + .name = "macb_clk", + .pmc_mask = 1 << AT572D940HF_ID_EMAC, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk usart0_clk = { + .name = "usart0_clk", + .pmc_mask = 1 << AT572D940HF_ID_US0, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk usart1_clk = { + .name = "usart1_clk", + .pmc_mask = 1 << AT572D940HF_ID_US1, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk usart2_clk = { + .name = "usart2_clk", + .pmc_mask = 1 << AT572D940HF_ID_US2, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk mmc_clk = { + .name = "mci_clk", + .pmc_mask = 1 << AT572D940HF_ID_MCI, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk udc_clk = { + .name = "udc_clk", + .pmc_mask = 1 << AT572D940HF_ID_UDP, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk twi0_clk = { + .name = "twi0_clk", + .pmc_mask = 1 << AT572D940HF_ID_TWI0, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk spi0_clk = { + .name = "spi0_clk", + .pmc_mask = 1 << AT572D940HF_ID_SPI0, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk spi1_clk = { + .name = "spi1_clk", + .pmc_mask = 1 << AT572D940HF_ID_SPI1, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ssc0_clk = { + .name = "ssc0_clk", + .pmc_mask = 1 << AT572D940HF_ID_SSC0, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ssc1_clk = { + .name = "ssc1_clk", + .pmc_mask = 1 << AT572D940HF_ID_SSC1, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ssc2_clk = { + .name = "ssc2_clk", + .pmc_mask = 1 << AT572D940HF_ID_SSC2, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk tc0_clk = { + .name = "tc0_clk", + .pmc_mask = 1 << AT572D940HF_ID_TC0, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk tc1_clk = { + .name = "tc1_clk", + .pmc_mask = 1 << AT572D940HF_ID_TC1, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk tc2_clk = { + .name = "tc2_clk", + .pmc_mask = 1 << AT572D940HF_ID_TC2, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ohci_clk = { + .name = "ohci_clk", + .pmc_mask = 1 << AT572D940HF_ID_UHP, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ssc3_clk = { + .name = "ssc3_clk", + .pmc_mask = 1 << AT572D940HF_ID_SSC3, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk twi1_clk = { + .name = "twi1_clk", + .pmc_mask = 1 << AT572D940HF_ID_TWI1, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk can0_clk = { + .name = "can0_clk", + .pmc_mask = 1 << AT572D940HF_ID_CAN0, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk can1_clk = { + .name = "can1_clk", + .pmc_mask = 1 << AT572D940HF_ID_CAN1, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk mAgicV_clk = { + .name = "mAgicV_clk", + .pmc_mask = 1 << AT572D940HF_ID_MSIRQ0, + .type = CLK_TYPE_PERIPHERAL, +}; + + +static struct clk *periph_clocks[] __initdata = { + &pioA_clk, + &pioB_clk, + &pioC_clk, + &macb_clk, + &usart0_clk, + &usart1_clk, + &usart2_clk, + &mmc_clk, + &udc_clk, + &twi0_clk, + &spi0_clk, + &spi1_clk, + &ssc0_clk, + &ssc1_clk, + &ssc2_clk, + &tc0_clk, + &tc1_clk, + &tc2_clk, + &ohci_clk, + &ssc3_clk, + &twi1_clk, + &can0_clk, + &can1_clk, + &mAgicV_clk, + /* irq0 .. irq2 */ +}; + +/* + * The five programmable clocks. + * You must configure pin multiplexing to bring these signals out. + */ +static struct clk pck0 = { + .name = "pck0", + .pmc_mask = AT91_PMC_PCK0, + .type = CLK_TYPE_PROGRAMMABLE, + .id = 0, +}; +static struct clk pck1 = { + .name = "pck1", + .pmc_mask = AT91_PMC_PCK1, + .type = CLK_TYPE_PROGRAMMABLE, + .id = 1, +}; +static struct clk pck2 = { + .name = "pck2", + .pmc_mask = AT91_PMC_PCK2, + .type = CLK_TYPE_PROGRAMMABLE, + .id = 2, +}; +static struct clk pck3 = { + .name = "pck3", + .pmc_mask = AT91_PMC_PCK3, + .type = CLK_TYPE_PROGRAMMABLE, + .id = 3, +}; + +static struct clk mAgicV_mem_clk = { + .name = "mAgicV_mem_clk", + .pmc_mask = AT91_PMC_PCK4, + .type = CLK_TYPE_PROGRAMMABLE, + .id = 4, +}; + +/* HClocks */ +static struct clk hck0 = { + .name = "hck0", + .pmc_mask = AT91_PMC_HCK0, + .type = CLK_TYPE_SYSTEM, + .id = 0, +}; +static struct clk hck1 = { + .name = "hck1", + .pmc_mask = AT91_PMC_HCK1, + .type = CLK_TYPE_SYSTEM, + .id = 1, +}; + +static void __init at572d940hf_register_clocks(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) + clk_register(periph_clocks[i]); + + clk_register(&pck0); + clk_register(&pck1); + clk_register(&pck2); + clk_register(&pck3); + clk_register(&mAgicV_mem_clk); + + clk_register(&hck0); + clk_register(&hck1); +} + +/* -------------------------------------------------------------------- + * GPIO + * -------------------------------------------------------------------- */ + +static struct at91_gpio_bank at572d940hf_gpio[] = { + { + .id = AT572D940HF_ID_PIOA, + .offset = AT91_PIOA, + .clock = &pioA_clk, + }, { + .id = AT572D940HF_ID_PIOB, + .offset = AT91_PIOB, + .clock = &pioB_clk, + }, { + .id = AT572D940HF_ID_PIOC, + .offset = AT91_PIOC, + .clock = &pioC_clk, + } +}; + +static void at572d940hf_reset(void) +{ + at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); +} + + +/* -------------------------------------------------------------------- + * AT572D940HF processor initialization + * -------------------------------------------------------------------- */ + +void __init at572d940hf_initialize(unsigned long main_clock) +{ + /* Map peripherals */ + iotable_init(at572d940hf_io_desc, ARRAY_SIZE(at572d940hf_io_desc)); + + at91_arch_reset = at572d940hf_reset; + at91_extern_irq = (1 << AT572D940HF_ID_IRQ0) | (1 << AT572D940HF_ID_IRQ1) + | (1 << AT572D940HF_ID_IRQ2); + + /* Init clock subsystem */ + at91_clock_init(main_clock); + + /* Register the processor-specific clocks */ + at572d940hf_register_clocks(); + + /* Register GPIO subsystem */ + at91_gpio_init(at572d940hf_gpio, 3); +} + +/* -------------------------------------------------------------------- + * Interrupt initialization + * -------------------------------------------------------------------- */ + +/* + * The default interrupt priority levels (0 = lowest, 7 = highest). + */ +static unsigned int at572d940hf_default_irq_priority[NR_AIC_IRQS] __initdata = { + 7, /* Advanced Interrupt Controller */ + 7, /* System Peripherals */ + 0, /* Parallel IO Controller A */ + 0, /* Parallel IO Controller B */ + 0, /* Parallel IO Controller C */ + 3, /* Ethernet */ + 6, /* USART 0 */ + 6, /* USART 1 */ + 6, /* USART 2 */ + 0, /* Multimedia Card Interface */ + 4, /* USB Device Port */ + 0, /* Two-Wire Interface 0 */ + 6, /* Serial Peripheral Interface 0 */ + 6, /* Serial Peripheral Interface 1 */ + 5, /* Serial Synchronous Controller 0 */ + 5, /* Serial Synchronous Controller 1 */ + 5, /* Serial Synchronous Controller 2 */ + 0, /* Timer Counter 0 */ + 0, /* Timer Counter 1 */ + 0, /* Timer Counter 2 */ + 3, /* USB Host port */ + 3, /* Serial Synchronous Controller 3 */ + 0, /* Two-Wire Interface 1 */ + 0, /* CAN Controller 0 */ + 0, /* CAN Controller 1 */ + 0, /* mAgicV HALT line */ + 0, /* mAgicV SIRQ0 line */ + 0, /* mAgicV exception line */ + 0, /* mAgicV end of DMA line */ + 0, /* Advanced Interrupt Controller */ + 0, /* Advanced Interrupt Controller */ + 0, /* Advanced Interrupt Controller */ +}; + +void __init at572d940hf_init_interrupts(unsigned int priority[NR_AIC_IRQS]) +{ + if (!priority) + priority = at572d940hf_default_irq_priority; + + /* Initialize the AIC interrupt controller */ + at91_aic_init(priority); + + /* Enable GPIO interrupts */ + at91_gpio_irq_setup(); +} + diff --git a/arch/arm/mach-at91/at572d940hf_devices.c b/arch/arm/mach-at91/at572d940hf_devices.c new file mode 100644 index 0000000..0fc20a2 --- /dev/null +++ b/arch/arm/mach-at91/at572d940hf_devices.c @@ -0,0 +1,970 @@ +/* + * arch/arm/mach-at91/at572d940hf_devices.c + * + * Copyright (C) 2008 Atmel Antonio R. Costa <costa.antonior@gmail.com> + * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org> + * Copyright (C) 2005 David Brownell + * + * 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 <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> + +#include <mach/board.h> +#include <mach/gpio.h> +#include <mach/at572d940hf.h> +#include <mach/at572d940hf_matrix.h> +#include <mach/at91sam9_smc.h> + +#include "generic.h" +#include "sam9_smc.h" + + +/* -------------------------------------------------------------------- + * USB Host + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static u64 ohci_dmamask = DMA_BIT_MASK(32); +static struct at91_usbh_data usbh_data; + +static struct resource usbh_resources[] = { + [0] = { + .start = AT572D940HF_UHP_BASE, + .end = AT572D940HF_UHP_BASE + SZ_1M - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_UHP, + .end = AT572D940HF_ID_UHP, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at572d940hf_usbh_device = { + .name = "at91_ohci", + .id = -1, + .dev = { + .dma_mask = &ohci_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &usbh_data, + }, + .resource = usbh_resources, + .num_resources = ARRAY_SIZE(usbh_resources), +}; + +void __init at91_add_device_usbh(struct at91_usbh_data *data) +{ + if (!data) + return; + + usbh_data = *data; + platform_device_register(&at572d940hf_usbh_device); + +} +#else +void __init at91_add_device_usbh(struct at91_usbh_data *data) {} +#endif + + +/* -------------------------------------------------------------------- + * USB Device (Gadget) + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_USB_GADGET_AT91 +static struct at91_udc_data udc_data; + +static struct resource udc_resources[] = { + [0] = { + .start = AT572D940HF_BASE_UDP, + .end = AT572D940HF_BASE_UDP + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_UDP, + .end = AT572D940HF_ID_UDP, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at572d940hf_udc_device = { + .name = "at91_udc", + .id = -1, + .dev = { + .platform_data = &udc_data, + }, + .resource = udc_resources, + .num_resources = ARRAY_SIZE(udc_resources), +}; + +void __init at91_add_device_udc(struct at91_udc_data *data) +{ + if (!data) + return; + + if (data->vbus_pin) { + at91_set_gpio_input(data->vbus_pin, 0); + at91_set_deglitch(data->vbus_pin, 1); + } + + /* Pullup pin is handled internally */ + + udc_data = *data; + platform_device_register(&at572d940hf_udc_device); +} +#else +void __init at91_add_device_udc(struct at91_udc_data *data) {} +#endif + + +/* -------------------------------------------------------------------- + * Ethernet + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) +static u64 eth_dmamask = DMA_BIT_MASK(32); +static struct at91_eth_data eth_data; + +static struct resource eth_resources[] = { + [0] = { + .start = AT572D940HF_BASE_EMAC, + .end = AT572D940HF_BASE_EMAC + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_EMAC, + .end = AT572D940HF_ID_EMAC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at572d940hf_eth_device = { + .name = "macb", + .id = -1, + .dev = { + .dma_mask = ð_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = ð_data, + }, + .resource = eth_resources, + .num_resources = ARRAY_SIZE(eth_resources), +}; + +void __init at91_add_device_eth(struct at91_eth_data *data) +{ + if (!data) + return; + + if (data->phy_irq_pin) { + at91_set_gpio_input(data->phy_irq_pin, 0); + at91_set_deglitch(data->phy_irq_pin, 1); + } + + /* Only RMII is supported */ + data->is_rmii = 1; + + /* Pins used for RMII */ + at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXCK_EREFCK */ + at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */ + at91_set_A_periph(AT91_PIN_PA18, 0); /* ERX0 */ + at91_set_A_periph(AT91_PIN_PA19, 0); /* ERX1 */ + at91_set_A_periph(AT91_PIN_PA20, 0); /* ERXER */ + at91_set_A_periph(AT91_PIN_PA23, 0); /* ETXEN */ + at91_set_A_periph(AT91_PIN_PA21, 0); /* ETX0 */ + at91_set_A_periph(AT91_PIN_PA22, 0); /* ETX1 */ + at91_set_A_periph(AT91_PIN_PA13, 0); /* EMDIO */ + at91_set_A_periph(AT91_PIN_PA14, 0); /* EMDC */ + + eth_data = *data; + platform_device_register(&at572d940hf_eth_device); +} +#else +void __init at91_add_device_eth(struct at91_eth_data *data) {} +#endif + + +/* -------------------------------------------------------------------- + * MMC / SD + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) +static u64 mmc_dmamask = DMA_BIT_MASK(32); +static struct at91_mmc_data mmc_data; + +static struct resource mmc_resources[] = { + [0] = { + .start = AT572D940HF_BASE_MCI, + .end = AT572D940HF_BASE_MCI + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_MCI, + .end = AT572D940HF_ID_MCI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at572d940hf_mmc_device = { + .name = "at91_mci", + .id = -1, + .dev = { + .dma_mask = &mmc_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &mmc_data, + }, + .resource = mmc_resources, + .num_resources = ARRAY_SIZE(mmc_resources), +}; + +void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) +{ + if (!data) + return; + + /* input/irq */ + if (data->det_pin) { + at91_set_gpio_input(data->det_pin, 1); + at91_set_deglitch(data->det_pin, 1); + } + if (data->wp_pin) + at91_set_gpio_input(data->wp_pin, 1); + if (data->vcc_pin) + at91_set_gpio_output(data->vcc_pin, 0); + + /* CLK */ + at91_set_A_periph(AT91_PIN_PC22, 0); + + /* CMD */ + at91_set_A_periph(AT91_PIN_PC23, 1); + + /* DAT0, maybe DAT1..DAT3 */ + at91_set_A_periph(AT91_PIN_PC24, 1); + if (data->wire4) { + at91_set_A_periph(AT91_PIN_PC25, 1); + at91_set_A_periph(AT91_PIN_PC26, 1); + at91_set_A_periph(AT91_PIN_PC27, 1); + } + + mmc_data = *data; + platform_device_register(&at572d940hf_mmc_device); +} +#else +void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} +#endif + + +/* -------------------------------------------------------------------- + * NAND / SmartMedia + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) +static struct atmel_nand_data nand_data; + +#define NAND_BASE AT91_CHIPSELECT_3 + +static struct resource nand_resources[] = { + { + .start = NAND_BASE, + .end = NAND_BASE + SZ_256M - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device at572d940hf_nand_device = { + .name = "atmel_nand", + .id = -1, + .dev = { + .platform_data = &nand_data, + }, + .resource = nand_resources, + .num_resources = ARRAY_SIZE(nand_resources), +}; + +void __init at91_add_device_nand(struct atmel_nand_data *data) +{ + unsigned long csa; + + if (!data) + return; + + csa = at91_sys_read(AT91_MATRIX_EBICSA); + at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); + + /* enable pin */ + if (data->enable_pin) + at91_set_gpio_output(data->enable_pin, 1); + + /* ready/busy pin */ + if (data->rdy_pin) + at91_set_gpio_input(data->rdy_pin, 1); + + /* card detect pin */ + if (data->det_pin) + at91_set_gpio_input(data->det_pin, 1); + + at91_set_A_periph(AT91_PIN_PB28, 0); /* A[22] */ + at91_set_B_periph(AT91_PIN_PA28, 0); /* NANDOE */ + at91_set_B_periph(AT91_PIN_PA29, 0); /* NANDWE */ + + nand_data = *data; + platform_device_register(&at572d940hf_nand_device); +} + +#else +void __init at91_add_device_nand(struct atmel_nand_data *data) {} +#endif + + +/* -------------------------------------------------------------------- + * TWI (i2c) + * -------------------------------------------------------------------- */ + +/* + * Prefer the GPIO code since the TWI controller isn't robust + * (gets overruns and underruns under load) and can only issue + * repeated STARTs in one scenario (the driver doesn't yet handle them). + */ + +#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) + +static struct i2c_gpio_platform_data pdata = { + .sda_pin = AT91_PIN_PC7, + .sda_is_open_drain = 1, + .scl_pin = AT91_PIN_PC8, + .scl_is_open_drain = 1, + .udelay = 2, /* ~100 kHz */ +}; + +static struct platform_device at572d940hf_twi_device { + .name = "i2c-gpio", + .id = -1, + .dev.platform_data = &pdata, +}; + +void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) +{ + at91_set_GPIO_periph(AT91_PIN_PC7, 1); /* TWD (SDA) */ + at91_set_multi_drive(AT91_PIN_PC7, 1); + + at91_set_GPIO_periph(AT91_PIN_PA8, 1); /* TWCK (SCL) */ + at91_set_multi_drive(AT91_PIN_PC8, 1); + + i2c_register_board_info(0, devices, nr_devices); + platform_device_register(&at572d940hf_twi_device); +} + +#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) + +static struct resource twi0_resources[] = { + [0] = { + .start = AT572D940HF_BASE_TWI0, + .end = AT572D940HF_BASE_TWI0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_TWI0, + .end = AT572D940HF_ID_TWI0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at572d940hf_twi0_device = { + .name = "at91_i2c", + .id = 0, + .resource = twi0_resources, + .num_resources = ARRAY_SIZE(twi0_resources), +}; + +static struct resource twi1_resources[] = { + [0] = { + .start = AT572D940HF_BASE_TWI1, + .end = AT572D940HF_BASE_TWI1 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_TWI1, + .end = AT572D940HF_ID_TWI1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at572d940hf_twi1_device = { + .name = "at91_i2c", + .id = 1, + .resource = twi1_resources, + .num_resources = ARRAY_SIZE(twi1_resources), +}; + +void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) +{ + /* pins used for TWI0 interface */ + at91_set_A_periph(AT91_PIN_PC7, 0); /* TWD */ + at91_set_multi_drive(AT91_PIN_PC7, 1); + + at91_set_A_periph(AT91_PIN_PC8, 0); /* TWCK */ + at91_set_multi_drive(AT91_PIN_PC8, 1); + + /* pins used for TWI1 interface */ + at91_set_A_periph(AT91_PIN_PC20, 0); /* TWD */ + at91_set_multi_drive(AT91_PIN_PC20, 1); + + at91_set_A_periph(AT91_PIN_PC21, 0); /* TWCK */ + at91_set_multi_drive(AT91_PIN_PC21, 1); + + i2c_register_board_info(0, devices, nr_devices); + platform_device_register(&at572d940hf_twi0_device); + platform_device_register(&at572d940hf_twi1_device); +} +#else +void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} +#endif + + +/* -------------------------------------------------------------------- + * SPI + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) +static u64 spi_dmamask = DMA_BIT_MASK(32); + +static struct resource spi0_resources[] = { + [0] = { + .start = AT572D940HF_BASE_SPI0, + .end = AT572D940HF_BASE_SPI0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_SPI0, + .end = AT572D940HF_ID_SPI0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at572d940hf_spi0_device = { + .name = "atmel_spi", + .id = 0, + .dev = { + .dma_mask = &spi_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = spi0_resources, + .num_resources = ARRAY_SIZE(spi0_resources), +}; + +static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 }; + +static struct resource spi1_resources[] = { + [0] = { + .start = AT572D940HF_BASE_SPI1, + .end = AT572D940HF_BASE_SPI1 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_SPI1, + .end = AT572D940HF_ID_SPI1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at572d940hf_spi1_device = { + .name = "atmel_spi", + .id = 1, + .dev = { + .dma_mask = &spi_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = spi1_resources, + .num_resources = ARRAY_SIZE(spi1_resources), +}; + +static const unsigned spi1_standard_cs[4] = { AT91_PIN_PC3, AT91_PIN_PC4, AT91_PIN_PC5, AT91_PIN_PC6 }; + +void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) +{ + int i; + unsigned long cs_pin; + short enable_spi0 = 0; + short enable_spi1 = 0; + + /* Choose SPI chip-selects */ + for (i = 0; i < nr_devices; i++) { + if (devices[i].controller_data) + cs_pin = (unsigned long) devices[i].controller_data; + else if (devices[i].bus_num == 0) + cs_pin = spi0_standard_cs[devices[i].chip_select]; + else + cs_pin = spi1_standard_cs[devices[i].chip_select]; + + if (devices[i].bus_num == 0) + enable_spi0 = 1; + else + enable_spi1 = 1; + + /* enable chip-select pin */ + at91_set_gpio_output(cs_pin, 1); + + /* pass chip-select pin to driver */ + devices[i].controller_data = (void *) cs_pin; + } + + spi_register_board_info(devices, nr_devices); + + /* Configure SPI bus(es) */ + if (enable_spi0) { + at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ + at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ + at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ + + at91_clock_associate("spi0_clk", &at572d940hf_spi0_device.dev, "spi_clk"); + platform_device_register(&at572d940hf_spi0_device); + } + if (enable_spi1) { + at91_set_A_periph(AT91_PIN_PC0, 0); /* SPI1_MISO */ + at91_set_A_periph(AT91_PIN_PC1, 0); /* SPI1_MOSI */ + at91_set_A_periph(AT91_PIN_PC2, 0); /* SPI1_SPCK */ + + at91_clock_associate("spi1_clk", &at572d940hf_spi1_device.dev, "spi_clk"); + platform_device_register(&at572d940hf_spi1_device); + } +} +#else +void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} +#endif + + +/* -------------------------------------------------------------------- + * Timer/Counter blocks + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_ATMEL_TCLIB + +static struct resource tcb_resources[] = { + [0] = { + .start = AT572D940HF_BASE_TCB, + .end = AT572D940HF_BASE_TCB + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_TC0, + .end = AT572D940HF_ID_TC0, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = AT572D940HF_ID_TC1, + .end = AT572D940HF_ID_TC1, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = AT572D940HF_ID_TC2, + .end = AT572D940HF_ID_TC2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at572d940hf_tcb_device = { + .name = "atmel_tcb", + .id = 0, + .resource = tcb_resources, + .num_resources = ARRAY_SIZE(tcb_resources), +}; + +static void __init at91_add_device_tc(void) +{ + /* this chip has a separate clock and irq for each TC channel */ + at91_clock_associate("tc0_clk", &at572d940hf_tcb_device.dev, "t0_clk"); + at91_clock_associate("tc1_clk", &at572d940hf_tcb_device.dev, "t1_clk"); + at91_clock_associate("tc2_clk", &at572d940hf_tcb_device.dev, "t2_clk"); + platform_device_register(&at572d940hf_tcb_device); +} +#else +static void __init at91_add_device_tc(void) { } +#endif + + +/* -------------------------------------------------------------------- + * RTT + * -------------------------------------------------------------------- */ + +static struct resource rtt_resources[] = { + { + .start = AT91_BASE_SYS + AT91_RTT, + .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device at572d940hf_rtt_device = { + .name = "at91_rtt", + .id = 0, + .resource = rtt_resources, + .num_resources = ARRAY_SIZE(rtt_resources), +}; + +static void __init at91_add_device_rtt(void) +{ + platform_device_register(&at572d940hf_rtt_device); +} + + +/* -------------------------------------------------------------------- + * Watchdog + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) +static struct platform_device at572d940hf_wdt_device = { + .name = "at91_wdt", + .id = -1, + .num_resources = 0, +}; + +static void __init at91_add_device_watchdog(void) +{ + platform_device_register(&at572d940hf_wdt_device); +} +#else +static void __init at91_add_device_watchdog(void) {} +#endif + + +/* -------------------------------------------------------------------- + * UART + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_SERIAL_ATMEL) +static struct resource dbgu_resources[] = { + [0] = { + .start = AT91_VA_BASE_SYS + AT91_DBGU, + .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91_ID_SYS, + .end = AT91_ID_SYS, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct atmel_uart_data dbgu_data = { + .use_dma_tx = 0, + .use_dma_rx = 0, /* DBGU not capable of receive DMA */ + .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), +}; + +static u64 dbgu_dmamask = DMA_BIT_MASK(32); + +static struct platform_device at572d940hf_dbgu_device = { + .name = "atmel_usart", + .id = 0, + .dev = { + .dma_mask = &dbgu_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &dbgu_data, + }, + .resource = dbgu_resources, + .num_resources = ARRAY_SIZE(dbgu_resources), +}; + +static inline void configure_dbgu_pins(void) +{ + at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */ + at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */ +} + +static struct resource uart0_resources[] = { + [0] = { + .start = AT572D940HF_BASE_US0, + .end = AT572D940HF_BASE_US0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_US0, + .end = AT572D940HF_ID_US0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct atmel_uart_data uart0_data = { + .use_dma_tx = 1, + .use_dma_rx = 1, +}; + +static u64 uart0_dmamask = DMA_BIT_MASK(32); + +static struct platform_device at572d940hf_uart0_device = { + .name = "atmel_usart", + .id = 1, + .dev = { + .dma_mask = &uart0_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &uart0_data, + }, + .resource = uart0_resources, + .num_resources = ARRAY_SIZE(uart0_resources), +}; + +static inline void configure_usart0_pins(unsigned pins) +{ + at91_set_A_periph(AT91_PIN_PA8, 1); /* TXD0 */ + at91_set_A_periph(AT91_PIN_PA7, 0); /* RXD0 */ + + if (pins & ATMEL_UART_RTS) + at91_set_A_periph(AT91_PIN_PA10, 0); /* RTS0 */ + if (pins & ATMEL_UART_CTS) + at91_set_A_periph(AT91_PIN_PA9, 0); /* CTS0 */ +} + +static struct resource uart1_resources[] = { + [0] = { + .start = AT572D940HF_BASE_US1, + .end = AT572D940HF_BASE_US1 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_US1, + .end = AT572D940HF_ID_US1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct atmel_uart_data uart1_data = { + .use_dma_tx = 1, + .use_dma_rx = 1, +}; + +static u64 uart1_dmamask = DMA_BIT_MASK(32); + +static struct platform_device at572d940hf_uart1_device = { + .name = "atmel_usart", + .id = 2, + .dev = { + .dma_mask = &uart1_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &uart1_data, + }, + .resource = uart1_resources, + .num_resources = ARRAY_SIZE(uart1_resources), +}; + +static inline void configure_usart1_pins(unsigned pins) +{ + at91_set_A_periph(AT91_PIN_PC10, 1); /* TXD1 */ + at91_set_A_periph(AT91_PIN_PC9 , 0); /* RXD1 */ + + if (pins & ATMEL_UART_RTS) + at91_set_A_periph(AT91_PIN_PC12, 0); /* RTS1 */ + if (pins & ATMEL_UART_CTS) + at91_set_A_periph(AT91_PIN_PC11, 0); /* CTS1 */ +} + +static struct resource uart2_resources[] = { + [0] = { + .start = AT572D940HF_BASE_US2, + .end = AT572D940HF_BASE_US2 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT572D940HF_ID_US2, + .end = AT572D940HF_ID_US2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct atmel_uart_data uart2_data = { + .use_dma_tx = 1, + .use_dma_rx = 1, +}; + +static u64 uart2_dmamask = DMA_BIT_MASK(32); + +static struct platform_device at572d940hf_uart2_device = { + .name = "atmel_usart", + .id = 3, + .dev = { + .dma_mask = &uart2_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &uart2_data, + }, + .resource = uart2_resources, + .num_resources = ARRAY_SIZE(uart2_resources), +}; + +static inline void configure_usart2_pins(unsigned pins) +{ + at91_set_A_periph(AT91_PIN_PC15, 1); /* TXD2 */ + at91_set_A_periph(AT91_PIN_PC14, 0); /* RXD2 */ + + if (pins & ATMEL_UART_RTS) + at91_set_A_periph(AT91_PIN_PC17, 0); /* RTS2 */ + if (pins & ATMEL_UART_CTS) + at91_set_A_periph(AT91_PIN_PC16, 0); /* CTS2 */ +} + +static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ +struct platform_device *atmel_default_console_device; /* the serial console device */ + +void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) +{ + struct platform_device *pdev; + + switch (id) { + case 0: /* DBGU */ + pdev = &at572d940hf_dbgu_device; + configure_dbgu_pins(); + at91_clock_associate("mck", &pdev->dev, "usart"); + break; + case AT572D940HF_ID_US0: + pdev = &at572d940hf_uart0_device; + configure_usart0_pins(pins); + at91_clock_associate("usart0_clk", &pdev->dev, "usart"); + break; + case AT572D940HF_ID_US1: + pdev = &at572d940hf_uart1_device; + configure_usart1_pins(pins); + at91_clock_associate("usart1_clk", &pdev->dev, "usart"); + break; + case AT572D940HF_ID_US2: + pdev = &at572d940hf_uart2_device; + configure_usart2_pins(pins); + at91_clock_associate("usart2_clk", &pdev->dev, "usart"); + break; + default: + return; + } + pdev->id = portnr; /* update to mapped ID */ + + if (portnr < ATMEL_MAX_UART) + at91_uarts[portnr] = pdev; +} + +void __init at91_set_serial_console(unsigned portnr) +{ + if (portnr < ATMEL_MAX_UART) + atmel_default_console_device = at91_uarts[portnr]; +} + +void __init at91_add_device_serial(void) +{ + int i; + + for (i = 0; i < ATMEL_MAX_UART; i++) { + if (at91_uarts[i]) + platform_device_register(at91_uarts[i]); + } + + if (!atmel_default_console_device) + printk(KERN_INFO "AT91: No default serial console defined.\n"); +} + +#else +void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} +void __init at91_set_serial_console(unsigned portnr) {} +void __init at91_add_device_serial(void) {} +#endif + + +/* -------------------------------------------------------------------- + * mAgic + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_MAGICV +static struct resource mAgic_resources[] = { + { + .start = AT91_MAGIC_PM_BASE, + .end = AT91_MAGIC_PM_BASE + AT91_MAGIC_PM_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = AT91_MAGIC_DM_I_BASE, + .end = AT91_MAGIC_DM_I_BASE + AT91_MAGIC_DM_I_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = AT91_MAGIC_DM_F_BASE, + .end = AT91_MAGIC_DM_F_BASE + AT91_MAGIC_DM_F_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = AT91_MAGIC_DM_DB_BASE, + .end = AT91_MAGIC_DM_DB_BASE + AT91_MAGIC_DM_DB_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = AT91_MAGIC_REGS_BASE, + .end = AT91_MAGIC_REGS_BASE + AT91_MAGIC_REGS_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = AT91_MAGIC_EXTPAGE_BASE, + .end = AT91_MAGIC_EXTPAGE_BASE + AT91_MAGIC_EXTPAGE_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = AT572D940HF_ID_MSIRQ0, + .end = AT572D940HF_ID_MSIRQ0, + .flags = IORESOURCE_IRQ, + }, + { + .start = AT572D940HF_ID_MHALT, + .end = AT572D940HF_ID_MHALT, + .flags = IORESOURCE_IRQ, + }, + { + .start = AT572D940HF_ID_MEXC, + .end = AT572D940HF_ID_MEXC, + .flags = IORESOURCE_IRQ, + }, + { + .start = AT572D940HF_ID_MEDMA, + .end = AT572D940HF_ID_MEDMA, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mAgic_device = { + .name = "mAgic", + .id = -1, + .num_resources = ARRAY_SIZE(mAgic_resources), + .resource = mAgic_resources, +}; + +void __init at91_add_device_mAgic(void) +{ + platform_device_register(&mAgic_device); +} +#else +void __init at91_add_device_mAgic(void) {} +#endif + + +/* -------------------------------------------------------------------- */ + +/* + * These devices are always present and don't need any board-specific + * setup. + */ +static int __init at91_add_standard_devices(void) +{ + at91_add_device_rtt(); + at91_add_device_watchdog(); + at91_add_device_tc(); + return 0; +} + +arch_initcall(at91_add_standard_devices); diff --git a/arch/arm/mach-at91/board-at572d940hf_ek.c b/arch/arm/mach-at91/board-at572d940hf_ek.c new file mode 100644 index 0000000..5daff27 --- /dev/null +++ b/arch/arm/mach-at91/board-at572d940hf_ek.c @@ -0,0 +1,328 @@ +/* + * linux/arch/arm/mach-at91/board-at572d940hf_ek.c + * + * Copyright (C) 2008 Atmel Antonio R. Costa <costa.antonior@gmail.com> + * Copyright (C) 2005 SAN People + * + * 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/types.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/spi/ds1305.h> +#include <linux/irq.h> +#include <linux/mtd/physmap.h> + +#include <mach/hardware.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/board.h> +#include <mach/gpio.h> +#include <mach/at91sam9_smc.h> + +#include "sam9_smc.h" +#include "generic.h" + + +static void __init eb_map_io(void) +{ + /* Initialize processor: 12.500 MHz crystal */ + at572d940hf_initialize(12000000); + + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx & Tx only) */ + at91_register_uart(AT572D940HF_ID_US0, 1, 0); + + /* USART1 on ttyS2. (Rx & Tx only) */ + at91_register_uart(AT572D940HF_ID_US1, 2, 0); + + /* USART2 on ttyS3. (Tx & Rx only */ + at91_register_uart(AT572D940HF_ID_US2, 3, 0); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init eb_init_irq(void) +{ + at572d940hf_init_interrupts(NULL); +} + + +/* + * USB Host Port + */ +static struct at91_usbh_data __initdata eb_usbh_data = { + .ports = 2, +}; + + +/* + * USB Device Port + */ +static struct at91_udc_data __initdata eb_udc_data = { + .vbus_pin = 0, /* no VBUS detection,UDC always on */ + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + + +/* + * MCI (SD/MMC) + */ +static struct at91_mmc_data __initdata eb_mmc_data = { + .wire4 = 1, +/* .det_pin = ... not connected */ +/* .wp_pin = ... not connected */ +/* .vcc_pin = ... not connected */ +}; + + +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata eb_eth_data = { + .phy_irq_pin = AT91_PIN_PB25, + .is_rmii = 1, +}; + +/* + * NOR flash + */ + +static struct mtd_partition eb_nor_partitions[] = { + { + .name = "Raw Environment", + .offset = 0, + .size = SZ_4M, + .mask_flags = 0, + }, + { + .name = "OS FS", + .offset = MTDPART_OFS_APPEND, + .size = 3 * SZ_1M, + .mask_flags = 0, + }, + { + .name = "APP FS", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0, + }, +}; + +static void nor_flash_set_vpp(struct map_info* mi, int i) { +}; + +static struct physmap_flash_data nor_flash_data = { + .width = 4, + .parts = eb_nor_partitions, + .nr_parts = ARRAY_SIZE(eb_nor_partitions), + .set_vpp = nor_flash_set_vpp, +}; + +static struct resource nor_flash_resources[] = { + { + .start = AT91_CHIPSELECT_0, + .end = AT91_CHIPSELECT_0 + SZ_16M - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device nor_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &nor_flash_data, + }, + .resource = nor_flash_resources, + .num_resources = ARRAY_SIZE(nor_flash_resources), +}; + +static struct sam9_smc_config __initdata eb_nor_smc_config = { + .ncs_read_setup = 1, + .nrd_setup = 1, + .ncs_write_setup = 1, + .nwe_setup = 1, + + .ncs_read_pulse = 7, + .nrd_pulse = 7, + .ncs_write_pulse = 7, + .nwe_pulse = 7, + + .read_cycle = 9, + .write_cycle = 9, + + .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_32, + .tdf_cycles = 1, +}; + +static void __init eb_add_device_nor(void) +{ + /* configure chip-select 0 (NOR) */ + sam9_smc_configure(0, &eb_nor_smc_config); + platform_device_register(&nor_flash); +} + +/* + * NAND flash + */ +static struct mtd_partition __initdata eb_nand_partition[] = { + { + .name = "Partition 1", + .offset = 0, + .size = SZ_16M, + }, + { + .name = "Partition 2", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(eb_nand_partition); + return eb_nand_partition; +} + +static struct atmel_nand_data __initdata eb_nand_data = { + .ale = 22, + .cle = 21, +/* .det_pin = ... not connected */ +/* .rdy_pin = AT91_PIN_PC16, */ + .enable_pin = AT91_PIN_PA15, + .partition_info = nand_partitions, +#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) + .bus_width_16 = 1, +#else + .bus_width_16 = 0, +#endif +}; + +static struct sam9_smc_config __initdata eb_nand_smc_config = { + .ncs_read_setup = 0, + .nrd_setup = 0, + .ncs_write_setup = 1, + .nwe_setup = 1, + + .ncs_read_pulse = 3, + .nrd_pulse = 3, + .ncs_write_pulse = 3, + .nwe_pulse = 3, + + .read_cycle = 5, + .write_cycle = 5, + + .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, + .tdf_cycles = 12, +}; + +static void __init eb_add_device_nand(void) +{ + /* setup bus-width (8 or 16) */ + if (eb_nand_data.bus_width_16) + eb_nand_smc_config.mode |= AT91_SMC_DBW_16; + else + eb_nand_smc_config.mode |= AT91_SMC_DBW_8; + + /* configure chip-select 3 (NAND) */ + sam9_smc_configure(3, &eb_nand_smc_config); + + at91_add_device_nand(&eb_nand_data); +} + + +/* + * SPI devices + */ +static struct resource rtc_resources[] = { + [0] = { + .start = AT572D940HF_ID_IRQ1, + .end = AT572D940HF_ID_IRQ1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct ds1305_platform_data ds1306_data = { + .is_ds1306 = true, + .en_1hz = false, +}; + +static struct spi_board_info eb_spi_devices[] = { + { /* RTC Dallas DS1306 */ + .modalias = "rtc-ds1305", + .chip_select = 3, + .mode = SPI_CS_HIGH | SPI_CPOL | SPI_CPHA, + .max_speed_hz = 500000, + .bus_num = 0, + .irq = AT572D940HF_ID_IRQ1, + .platform_data = (void *) &ds1306_data, + }, +#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) + { /* Dataflash card */ + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + }, +#endif +}; + +static void __init eb_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* USB Host */ + at91_add_device_usbh(&eb_usbh_data); + /* USB Device */ + at91_add_device_udc(&eb_udc_data); + /* I2C */ + at91_add_device_i2c(NULL, 0); + /* NOR */ + eb_add_device_nor(); + /* NAND */ + eb_add_device_nand(); + /* SPI */ + at91_add_device_spi(eb_spi_devices, ARRAY_SIZE(eb_spi_devices)); + /* MMC */ + at91_add_device_mmc(0, &eb_mmc_data); + /* Ethernet */ + at91_add_device_eth(&eb_eth_data); + /* mAgic */ + at91_add_device_mAgic(); +} + +MACHINE_START(AT572D940HFEB, "Atmel AT91D940HF-EB") + /* Maintainer: Atmel <costa.antonior@gmail.com> */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = eb_map_io, + .init_irq = eb_init_irq, + .init_machine = eb_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c index c042dcf..7f7da43 100644 --- a/arch/arm/mach-at91/clock.c +++ b/arch/arm/mach-at91/clock.c @@ -29,6 +29,7 @@ #include <mach/cpu.h> #include "clock.h" +#include "generic.h" /* @@ -628,7 +629,7 @@ static void __init at91_pllb_usbfs_clock_init(unsigned long main_clock) at91_sys_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP); } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20() || - cpu_is_at91sam9g10()) { + cpu_is_at91sam9g10() || cpu_is_at572d940hf()) { uhpck.pmc_mask = AT91SAM926x_PMC_UHP; udpck.pmc_mask = AT91SAM926x_PMC_UDP; } else if (cpu_is_at91cap9()) { @@ -711,12 +712,13 @@ int __init at91_clock_init(unsigned long main_clock) /* * USB HS clock init */ - if (cpu_has_utmi()) + if (cpu_has_utmi()) { /* * multiplier is hard-wired to 40 * (obtain the USB High Speed 480 MHz when input is 12 MHz) */ utmi_clk.rate_hz = 40 * utmi_clk.parent->rate_hz; + } /* * USB FS clock init @@ -746,7 +748,7 @@ int __init at91_clock_init(unsigned long main_clock) mck.rate_hz = (mckr & AT91_PMC_MDIV) == AT91SAM9_PMC_MDIV_3 ? freq / 3 : freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */ } else { - mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */ + mck.rate_hz = freq / (1 << ((mckr & AT91_PMC_MDIV) >> 8)); /* mdiv */ } /* Register the PMC's standard clocks */ diff --git a/arch/arm/mach-at91/clock.h b/arch/arm/mach-at91/clock.h index 1ba3b95..6cf4b78 100644 --- a/arch/arm/mach-at91/clock.h +++ b/arch/arm/mach-at91/clock.h @@ -22,7 +22,7 @@ struct clk { struct clk *parent; u32 pmc_mask; void (*mode)(struct clk *, int); - unsigned id:2; /* PCK0..3, or 32k/main/a/b */ + unsigned id:3; /* PCK0..4, or 32k/main/a/b */ unsigned type; /* clock type */ u16 users; }; diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 88e413b..65c3dc5 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -17,6 +17,7 @@ extern void __init at91sam9rl_initialize(unsigned long main_clock); extern void __init at91sam9g45_initialize(unsigned long main_clock); extern void __init at91x40_initialize(unsigned long main_clock); extern void __init at91cap9_initialize(unsigned long main_clock); +extern void __init at572d940hf_initialize(unsigned long main_clock); /* Interrupts */ extern void __init at91rm9200_init_interrupts(unsigned int priority[]); @@ -27,6 +28,7 @@ extern void __init at91sam9rl_init_interrupts(unsigned int priority[]); extern void __init at91sam9g45_init_interrupts(unsigned int priority[]); extern void __init at91x40_init_interrupts(unsigned int priority[]); extern void __init at91cap9_init_interrupts(unsigned int priority[]); +extern void __init at572d940hf_init_interrupts(unsigned int priority[]); extern void __init at91_aic_init(unsigned int priority[]); /* Timer */ diff --git a/arch/arm/mach-at91/include/mach/at572d940hf.h b/arch/arm/mach-at91/include/mach/at572d940hf.h new file mode 100644 index 0000000..2d9b0af --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at572d940hf.h @@ -0,0 +1,123 @@ +/* + * include/mach/at572d940hf.h + * + * Antonio R. Costa <costa.antonior@gmail.com> + * Copyright (C) 2008 Atmel + * + * 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 + * + */ + +#ifndef AT572D940HF_H +#define AT572D940HF_H + +/* + * Peripheral identifiers/interrupts. + */ +#define AT91_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */ +#define AT91_ID_SYS 1 /* System Peripherals */ +#define AT572D940HF_ID_PIOA 2 /* Parallel IO Controller A */ +#define AT572D940HF_ID_PIOB 3 /* Parallel IO Controller B */ +#define AT572D940HF_ID_PIOC 4 /* Parallel IO Controller C */ +#define AT572D940HF_ID_EMAC 5 /* MACB ethernet controller */ +#define AT572D940HF_ID_US0 6 /* USART 0 */ +#define AT572D940HF_ID_US1 7 /* USART 1 */ +#define AT572D940HF_ID_US2 8 /* USART 2 */ +#define AT572D940HF_ID_MCI 9 /* Multimedia Card Interface */ +#define AT572D940HF_ID_UDP 10 /* USB Device Port */ +#define AT572D940HF_ID_TWI0 11 /* Two-Wire Interface 0 */ +#define AT572D940HF_ID_SPI0 12 /* Serial Peripheral Interface 0 */ +#define AT572D940HF_ID_SPI1 13 /* Serial Peripheral Interface 1 */ +#define AT572D940HF_ID_SSC0 14 /* Serial Synchronous Controller 0 */ +#define AT572D940HF_ID_SSC1 15 /* Serial Synchronous Controller 1 */ +#define AT572D940HF_ID_SSC2 16 /* Serial Synchronous Controller 2 */ +#define AT572D940HF_ID_TC0 17 /* Timer Counter 0 */ +#define AT572D940HF_ID_TC1 18 /* Timer Counter 1 */ +#define AT572D940HF_ID_TC2 19 /* Timer Counter 2 */ +#define AT572D940HF_ID_UHP 20 /* USB Host port */ +#define AT572D940HF_ID_SSC3 21 /* Serial Synchronous Controller 3 */ +#define AT572D940HF_ID_TWI1 22 /* Two-Wire Interface 1 */ +#define AT572D940HF_ID_CAN0 23 /* CAN Controller 0 */ +#define AT572D940HF_ID_CAN1 24 /* CAN Controller 1 */ +#define AT572D940HF_ID_MHALT 25 /* mAgicV HALT line */ +#define AT572D940HF_ID_MSIRQ0 26 /* mAgicV SIRQ0 line */ +#define AT572D940HF_ID_MEXC 27 /* mAgicV exception line */ +#define AT572D940HF_ID_MEDMA 28 /* mAgicV end of DMA line */ +#define AT572D940HF_ID_IRQ0 29 /* External Interrupt Source (IRQ0) */ +#define AT572D940HF_ID_IRQ1 30 /* External Interrupt Source (IRQ1) */ +#define AT572D940HF_ID_IRQ2 31 /* External Interrupt Source (IRQ2) */ + + +/* + * User Peripheral physical base addresses. + */ +#define AT572D940HF_BASE_TCB 0xfffa0000 +#define AT572D940HF_BASE_TC0 0xfffa0000 +#define AT572D940HF_BASE_TC1 0xfffa0040 +#define AT572D940HF_BASE_TC2 0xfffa0080 +#define AT572D940HF_BASE_UDP 0xfffa4000 +#define AT572D940HF_BASE_MCI 0xfffa8000 +#define AT572D940HF_BASE_TWI0 0xfffac000 +#define AT572D940HF_BASE_US0 0xfffb0000 +#define AT572D940HF_BASE_US1 0xfffb4000 +#define AT572D940HF_BASE_US2 0xfffb8000 +#define AT572D940HF_BASE_SSC0 0xfffbc000 +#define AT572D940HF_BASE_SSC1 0xfffc0000 +#define AT572D940HF_BASE_SSC2 0xfffc4000 +#define AT572D940HF_BASE_SPI0 0xfffc8000 +#define AT572D940HF_BASE_SPI1 0xfffcc000 +#define AT572D940HF_BASE_SSC3 0xfffd0000 +#define AT572D940HF_BASE_TWI1 0xfffd4000 +#define AT572D940HF_BASE_EMAC 0xfffd8000 +#define AT572D940HF_BASE_CAN0 0xfffdc000 +#define AT572D940HF_BASE_CAN1 0xfffe0000 +#define AT91_BASE_SYS 0xffffea00 + + +/* + * System Peripherals (offset from AT91_BASE_SYS) + */ +#define AT91_SDRAMC (0xffffea00 - AT91_BASE_SYS) +#define AT91_SMC (0xffffec00 - AT91_BASE_SYS) +#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS) +#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) +#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS) +#define AT91_PIOA (0xfffff400 - AT91_BASE_SYS) +#define AT91_PIOB (0xfffff600 - AT91_BASE_SYS) +#define AT91_PIOC (0xfffff800 - AT91_BASE_SYS) +#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) +#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) +#define AT91_RTT (0xfffffd20 - AT91_BASE_SYS) +#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) +#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) + +#define AT91_USART0 AT572D940HF_ID_US0 +#define AT91_USART1 AT572D940HF_ID_US1 +#define AT91_USART2 AT572D940HF_ID_US2 + + +/* + * Internal Memory. + */ +#define AT572D940HF_SRAM_BASE 0x00300000 /* Internal SRAM base address */ +#define AT572D940HF_SRAM_SIZE (48 * SZ_1K) /* Internal SRAM size (48Kb) */ + +#define AT572D940HF_ROM_BASE 0x00400000 /* Internal ROM base address */ +#define AT572D940HF_ROM_SIZE SZ_32K /* Internal ROM size (32Kb) */ + +#define AT572D940HF_UHP_BASE 0x00500000 /* USB Host controller */ + + +#endif diff --git a/arch/arm/mach-at91/include/mach/at572d940hf_matrix.h b/arch/arm/mach-at91/include/mach/at572d940hf_matrix.h new file mode 100644 index 0000000..b6751df --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at572d940hf_matrix.h @@ -0,0 +1,123 @@ +/* + * include/mach//at572d940hf_matrix.h + * + * Antonio R. Costa <costa.antonior@gmail.com> + * Copyright (C) 2008 Atmel + * + * Copyright (C) 2005 SAN People + * + * 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 + */ + +#ifndef AT572D940HF_MATRIX_H +#define AT572D940HF_MATRIX_H + +#define AT91_MATRIX_MCFG0 (AT91_MATRIX + 0x00) /* Master Configuration Register 0 */ +#define AT91_MATRIX_MCFG1 (AT91_MATRIX + 0x04) /* Master Configuration Register 1 */ +#define AT91_MATRIX_MCFG2 (AT91_MATRIX + 0x08) /* Master Configuration Register 2 */ +#define AT91_MATRIX_MCFG3 (AT91_MATRIX + 0x0C) /* Master Configuration Register 3 */ +#define AT91_MATRIX_MCFG4 (AT91_MATRIX + 0x10) /* Master Configuration Register 4 */ +#define AT91_MATRIX_MCFG5 (AT91_MATRIX + 0x14) /* Master Configuration Register 5 */ + +#define AT91_MATRIX_ULBT (7 << 0) /* Undefined Length Burst Type */ +#define AT91_MATRIX_ULBT_INFINITE (0 << 0) +#define AT91_MATRIX_ULBT_SINGLE (1 << 0) +#define AT91_MATRIX_ULBT_FOUR (2 << 0) +#define AT91_MATRIX_ULBT_EIGHT (3 << 0) +#define AT91_MATRIX_ULBT_SIXTEEN (4 << 0) + +#define AT91_MATRIX_SCFG0 (AT91_MATRIX + 0x40) /* Slave Configuration Register 0 */ +#define AT91_MATRIX_SCFG1 (AT91_MATRIX + 0x44) /* Slave Configuration Register 1 */ +#define AT91_MATRIX_SCFG2 (AT91_MATRIX + 0x48) /* Slave Configuration Register 2 */ +#define AT91_MATRIX_SCFG3 (AT91_MATRIX + 0x4C) /* Slave Configuration Register 3 */ +#define AT91_MATRIX_SCFG4 (AT91_MATRIX + 0x50) /* Slave Configuration Register 4 */ +#define AT91_MATRIX_SLOT_CYCLE (0xff << 0) /* Maximum Number of Allowed Cycles for a Burst */ +#define AT91_MATRIX_DEFMSTR_TYPE (3 << 16) /* Default Master Type */ +#define AT91_MATRIX_DEFMSTR_TYPE_NONE (0 << 16) +#define AT91_MATRIX_DEFMSTR_TYPE_LAST (1 << 16) +#define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16) +#define AT91_MATRIX_FIXED_DEFMSTR (0x7 << 18) /* Fixed Index of Default Master */ +#define AT91_MATRIX_ARBT (3 << 24) /* Arbitration Type */ +#define AT91_MATRIX_ARBT_ROUND_ROBIN (0 << 24) +#define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24) + +#define AT91_MATRIX_PRAS0 (AT91_MATRIX + 0x80) /* Priority Register A for Slave 0 */ +#define AT91_MATRIX_PRAS1 (AT91_MATRIX + 0x88) /* Priority Register A for Slave 1 */ +#define AT91_MATRIX_PRAS2 (AT91_MATRIX + 0x90) /* Priority Register A for Slave 2 */ +#define AT91_MATRIX_PRAS3 (AT91_MATRIX + 0x98) /* Priority Register A for Slave 3 */ +#define AT91_MATRIX_PRAS4 (AT91_MATRIX + 0xA0) /* Priority Register A for Slave 4 */ + +#define AT91_MATRIX_M0PR (3 << 0) /* Master 0 Priority */ +#define AT91_MATRIX_M1PR (3 << 4) /* Master 1 Priority */ +#define AT91_MATRIX_M2PR (3 << 8) /* Master 2 Priority */ +#define AT91_MATRIX_M3PR (3 << 12) /* Master 3 Priority */ +#define AT91_MATRIX_M4PR (3 << 16) /* Master 4 Priority */ +#define AT91_MATRIX_M5PR (3 << 20) /* Master 5 Priority */ +#define AT91_MATRIX_M6PR (3 << 24) /* Master 6 Priority */ + +#define AT91_MATRIX_MRCR (AT91_MATRIX + 0x100) /* Master Remap Control Register */ +#define AT91_MATRIX_RCB0 (1 << 0) /* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */ +#define AT91_MATRIX_RCB1 (1 << 1) /* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */ + +#define AT91_MATRIX_SFR0 (AT91_MATRIX + 0x110) /* Special Function Register 0 */ +#define AT91_MATRIX_SFR1 (AT91_MATRIX + 0x114) /* Special Function Register 1 */ +#define AT91_MATRIX_SFR2 (AT91_MATRIX + 0x118) /* Special Function Register 2 */ +#define AT91_MATRIX_SFR3 (AT91_MATRIX + 0x11C) /* Special Function Register 3 */ +#define AT91_MATRIX_SFR4 (AT91_MATRIX + 0x120) /* Special Function Register 4 */ +#define AT91_MATRIX_SFR5 (AT91_MATRIX + 0x124) /* Special Function Register 5 */ +#define AT91_MATRIX_SFR6 (AT91_MATRIX + 0x128) /* Special Function Register 6 */ +#define AT91_MATRIX_SFR7 (AT91_MATRIX + 0x12C) /* Special Function Register 7 */ +#define AT91_MATRIX_SFR8 (AT91_MATRIX + 0x130) /* Special Function Register 8 */ +#define AT91_MATRIX_SFR9 (AT91_MATRIX + 0x134) /* Special Function Register 9 */ +#define AT91_MATRIX_SFR10 (AT91_MATRIX + 0x138) /* Special Function Register 10 */ +#define AT91_MATRIX_SFR11 (AT91_MATRIX + 0x13C) /* Special Function Register 11 */ +#define AT91_MATRIX_SFR12 (AT91_MATRIX + 0x140) /* Special Function Register 12 */ +#define AT91_MATRIX_SFR13 (AT91_MATRIX + 0x144) /* Special Function Register 13 */ +#define AT91_MATRIX_SFR14 (AT91_MATRIX + 0x148) /* Special Function Register 14 */ +#define AT91_MATRIX_SFR15 (AT91_MATRIX + 0x14C) /* Special Function Register 15 */ + + +/* + * The following registers / bits are not defined in the Datasheet (Revision A) + */ + +#define AT91_MATRIX_TCR (AT91_MATRIX + 0x100) /* TCM Configuration Register */ +#define AT91_MATRIX_ITCM_SIZE (0xf << 0) /* Size of ITCM enabled memory block */ +#define AT91_MATRIX_ITCM_0 (0 << 0) +#define AT91_MATRIX_ITCM_16 (5 << 0) +#define AT91_MATRIX_ITCM_32 (6 << 0) +#define AT91_MATRIX_ITCM_64 (7 << 0) +#define AT91_MATRIX_DTCM_SIZE (0xf << 4) /* Size of DTCM enabled memory block */ +#define AT91_MATRIX_DTCM_0 (0 << 4) +#define AT91_MATRIX_DTCM_16 (5 << 4) +#define AT91_MATRIX_DTCM_32 (6 << 4) +#define AT91_MATRIX_DTCM_64 (7 << 4) + +#define AT91_MATRIX_EBICSA (AT91_MATRIX + 0x11C) /* EBI Chip Select Assignment Register */ +#define AT91_MATRIX_CS1A (1 << 1) /* Chip Select 1 Assignment */ +#define AT91_MATRIX_CS1A_SMC (0 << 1) +#define AT91_MATRIX_CS1A_SDRAMC (1 << 1) +#define AT91_MATRIX_CS3A (1 << 3) /* Chip Select 3 Assignment */ +#define AT91_MATRIX_CS3A_SMC (0 << 3) +#define AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3) +#define AT91_MATRIX_CS4A (1 << 4) /* Chip Select 4 Assignment */ +#define AT91_MATRIX_CS4A_SMC (0 << 4) +#define AT91_MATRIX_CS4A_SMC_CF1 (1 << 4) +#define AT91_MATRIX_CS5A (1 << 5) /* Chip Select 5 Assignment */ +#define AT91_MATRIX_CS5A_SMC (0 << 5) +#define AT91_MATRIX_CS5A_SMC_CF2 (1 << 5) +#define AT91_MATRIX_DBPUC (1 << 8) /* Data Bus Pull-up Configuration */ + +#endif diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h index 64589ea..e46f93e 100644 --- a/arch/arm/mach-at91/include/mach/at91_pmc.h +++ b/arch/arm/mach-at91/include/mach/at91_pmc.h @@ -32,6 +32,7 @@ #define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */ #define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */ #define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */ +#define AT91_PMC_PCK4 (1 << 12) /* Programmable Clock 4 [AT572D940HF only] */ #define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */ #define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */ diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index bb6f6a7..ceaec6c 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -87,7 +87,7 @@ struct at91_eth_data { extern void __init at91_add_device_eth(struct at91_eth_data *data); #if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91CAP9) \ - || defined(CONFIG_ARCH_AT91SAM9G45) + || defined(CONFIG_ARCH_AT91SAM9G45) || defined(CONFIG_ARCH_AT572D940HF) #define eth_platform_data at91_eth_data #endif @@ -205,6 +205,9 @@ extern void __init at91_init_leds(u8 cpu_led, u8 timer_led); extern void __init at91_gpio_leds(struct gpio_led *leds, int nr); extern void __init at91_pwm_leds(struct gpio_led *leds, int nr); + /* AT572D940HF DSP */ +extern void __init at91_add_device_mAgic(void); + /* FIXME: this needs a better location, but gets stuff building again */ extern int at91_suspend_entering_slow_clock(void); diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h index c22df30..5a06501 100644 --- a/arch/arm/mach-at91/include/mach/cpu.h +++ b/arch/arm/mach-at91/include/mach/cpu.h @@ -33,6 +33,8 @@ #define ARCH_ID_AT91SAM9XE256 0x329a93a0 #define ARCH_ID_AT91SAM9XE512 0x329aa3a0 +#define ARCH_ID_AT572D940HF 0x0e0303e0 + #define ARCH_ID_AT91M40800 0x14080044 #define ARCH_ID_AT91R40807 0x44080746 #define ARCH_ID_AT91M40807 0x14080745 @@ -141,6 +143,12 @@ static inline unsigned long at91cap9_rev_identify(void) #define cpu_is_at91cap9_revC() (0) #endif +#ifdef CONFIG_ARCH_AT572D940HF +#define cpu_is_at572d940hf() (at91_cpu_identify() == ARCH_ID_AT572D940HF) +#else +#define cpu_is_at572d940hf() (0) +#endif + /* * Since this is ARM, we will never run on any AVR32 CPU. But these * definitions may reduce clutter in common drivers. diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S index 29052ba..9e750a1 100644 --- a/arch/arm/mach-at91/include/mach/debug-macro.S +++ b/arch/arm/mach-at91/include/mach/debug-macro.S @@ -14,7 +14,7 @@ #include <mach/hardware.h> #include <mach/at91_dbgu.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =(AT91_BASE_SYS + AT91_DBGU) @ System peripherals (phys address) diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h index a0df8b0..3d64a75 100644 --- a/arch/arm/mach-at91/include/mach/hardware.h +++ b/arch/arm/mach-at91/include/mach/hardware.h @@ -32,6 +32,8 @@ #include <mach/at91cap9.h> #elif defined(CONFIG_ARCH_AT91X40) #include <mach/at91x40.h> +#elif defined(CONFIG_ARCH_AT572D940HF) +#include <mach/at572d940hf.h> #else #error "Unsupported AT91 processor" #endif diff --git a/arch/arm/mach-at91/include/mach/timex.h b/arch/arm/mach-at91/include/mach/timex.h index 31ac2d9..05a6e8a 100644 --- a/arch/arm/mach-at91/include/mach/timex.h +++ b/arch/arm/mach-at91/include/mach/timex.h @@ -82,6 +82,11 @@ #define AT91X40_MASTER_CLOCK 40000000 #define CLOCK_TICK_RATE (AT91X40_MASTER_CLOCK) +#elif defined(CONFIG_ARCH_AT572D940HF) + +#define AT572D940HF_MASTER_CLOCK 80000000 +#define CLOCK_TICK_RATE (AT572D940HF_MASTER_CLOCK/16) + #endif #endif diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c index e590bbe..72e405d 100644 --- a/arch/arm/mach-bcmring/core.c +++ b/arch/arm/mach-bcmring/core.c @@ -142,8 +142,7 @@ void __init bcmring_amba_init(void) chipcHw_busInterfaceClockEnable(bus_clock); - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { struct amba_device *d = amba_devs[i]; diff --git a/arch/arm/mach-clps711x/include/mach/debug-macro.S b/arch/arm/mach-clps711x/include/mach/debug-macro.S index 64baf9f..fedd807 100644 --- a/arch/arm/mach-clps711x/include/mach/debug-macro.S +++ b/arch/arm/mach-clps711x/include/mach/debug-macro.S @@ -13,7 +13,7 @@ #include <asm/hardware/clps7111.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #CLPS7111_PHYS_BASE diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S index 17ab523..3cd93a8 100644 --- a/arch/arm/mach-davinci/include/mach/debug-macro.S +++ b/arch/arm/mach-davinci/include/mach/debug-macro.S @@ -19,7 +19,7 @@ #include <linux/serial_reg.h> #define UART_SHIFT 2 - .macro addruart, rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x01000000 @ physical base address diff --git a/arch/arm/mach-davinci/include/mach/hardware.h b/arch/arm/mach-davinci/include/mach/hardware.h index 41c8938..c45ba1f 100644 --- a/arch/arm/mach-davinci/include/mach/hardware.h +++ b/arch/arm/mach-davinci/include/mach/hardware.h @@ -27,7 +27,7 @@ /* * I/O mapping */ -#define IO_PHYS 0x01c00000 +#define IO_PHYS 0x01c00000UL #define IO_OFFSET 0xfd000000 /* Virtual IO = 0xfec00000 */ #define IO_SIZE 0x00400000 #define IO_VIRT (IO_PHYS + IO_OFFSET) diff --git a/arch/arm/mach-davinci/io.c b/arch/arm/mach-davinci/io.c index 49912b4..a1c0b6b 100644 --- a/arch/arm/mach-davinci/io.c +++ b/arch/arm/mach-davinci/io.c @@ -24,7 +24,7 @@ void __iomem *davinci_ioremap(unsigned long p, size_t size, unsigned int type) if (BETWEEN(p, IO_PHYS, IO_SIZE)) return XLATE(p, IO_PHYS, IO_VIRT); - return __arm_ioremap(p, size, type); + return __arm_ioremap_caller(p, size, type, __builtin_return_address(0)); } EXPORT_SYMBOL(davinci_ioremap); diff --git a/arch/arm/mach-dove/include/mach/debug-macro.S b/arch/arm/mach-dove/include/mach/debug-macro.S index 9b89ec7..1521d13 100644 --- a/arch/arm/mach-dove/include/mach/debug-macro.S +++ b/arch/arm/mach-dove/include/mach/debug-macro.S @@ -8,7 +8,7 @@ #include <mach/bridge-regs.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =DOVE_SB_REGS_PHYS_BASE diff --git a/arch/arm/mach-dove/include/mach/vmalloc.h b/arch/arm/mach-dove/include/mach/vmalloc.h index 8b2c974..a28792c 100644 --- a/arch/arm/mach-dove/include/mach/vmalloc.h +++ b/arch/arm/mach-dove/include/mach/vmalloc.h @@ -2,4 +2,4 @@ * arch/arm/mach-dove/include/mach/vmalloc.h */ -#define VMALLOC_END 0xfd800000 +#define VMALLOC_END 0xfd800000UL diff --git a/arch/arm/mach-ebsa110/include/mach/debug-macro.S b/arch/arm/mach-ebsa110/include/mach/debug-macro.S index 1dde822..ebbd89f 100644 --- a/arch/arm/mach-ebsa110/include/mach/debug-macro.S +++ b/arch/arm/mach-ebsa110/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * **/ - .macro addruart,rx + .macro addruart, rx, tmp mov \rx, #0xf0000000 orr \rx, \rx, #0x00000be0 .endm diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig index 9167c3d..3a08b18 100644 --- a/arch/arm/mach-ep93xx/Kconfig +++ b/arch/arm/mach-ep93xx/Kconfig @@ -161,6 +161,20 @@ config MACH_MICRO9S Say 'Y' here if you want your kernel to support the Contec Micro9-Slim board. +config MACH_SIM_ONE + bool "Support Simplemachines Sim.One board" + depends on EP93XX_SDCE0_PHYS_OFFSET + help + Say 'Y' here if you want your kernel to support the + Simplemachines Sim.One board. + +config MACH_SNAPPER_CL15 + bool "Support Bluewater Systems Snapper CL15 Module" + depends on EP93XX_SDCE0_PHYS_OFFSET + help + Say 'Y' here if you want your kernel to support the Bluewater + Systems Snapper CL15 Module. + config MACH_TS72XX bool "Support Technologic Systems TS-72xx SBC" depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile index eae6199..33ee2c8 100644 --- a/arch/arm/mach-ep93xx/Makefile +++ b/arch/arm/mach-ep93xx/Makefile @@ -10,4 +10,6 @@ obj-$(CONFIG_MACH_ADSSPHERE) += adssphere.o obj-$(CONFIG_MACH_EDB93XX) += edb93xx.o obj-$(CONFIG_MACH_GESBC9312) += gesbc9312.o obj-$(CONFIG_MACH_MICRO9) += micro9.o +obj-$(CONFIG_MACH_SIM_ONE) += simone.o +obj-$(CONFIG_MACH_SNAPPER_CL15) += snappercl15.o obj-$(CONFIG_MACH_TS72XX) += ts72xx.o diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c index 1d0f9d8..5f80092 100644 --- a/arch/arm/mach-ep93xx/clock.c +++ b/arch/arm/mach-ep93xx/clock.c @@ -10,6 +10,8 @@ * your option) any later version. */ +#define pr_fmt(fmt) "ep93xx " KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/clk.h> #include <linux/err.h> @@ -445,37 +447,39 @@ static void __init ep93xx_dma_clock_init(void) static int __init ep93xx_clock_init(void) { u32 value; - int i; - value = __raw_readl(EP93XX_SYSCON_CLOCK_SET1); - if (!(value & 0x00800000)) { /* PLL1 bypassed? */ + /* Determine the bootloader configured pll1 rate */ + value = __raw_readl(EP93XX_SYSCON_CLKSET1); + if (!(value & EP93XX_SYSCON_CLKSET1_NBYP1)) clk_pll1.rate = clk_xtali.rate; - } else { + else clk_pll1.rate = calc_pll_rate(value); - } + + /* Initialize the pll1 derived clocks */ clk_f.rate = clk_pll1.rate / fclk_divisors[(value >> 25) & 0x7]; clk_h.rate = clk_pll1.rate / hclk_divisors[(value >> 20) & 0x7]; clk_p.rate = clk_h.rate / pclk_divisors[(value >> 18) & 0x3]; ep93xx_dma_clock_init(); - value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2); - if (!(value & 0x00080000)) { /* PLL2 bypassed? */ + /* Determine the bootloader configured pll2 rate */ + value = __raw_readl(EP93XX_SYSCON_CLKSET2); + if (!(value & EP93XX_SYSCON_CLKSET2_NBYP2)) clk_pll2.rate = clk_xtali.rate; - } else if (value & 0x00040000) { /* PLL2 enabled? */ + else if (value & EP93XX_SYSCON_CLKSET2_PLL2_EN) clk_pll2.rate = calc_pll_rate(value); - } else { + else clk_pll2.rate = 0; - } + + /* Initialize the pll2 derived clocks */ clk_usb_host.rate = clk_pll2.rate / (((value >> 28) & 0xf) + 1); - printk(KERN_INFO "ep93xx: PLL1 running at %ld MHz, PLL2 at %ld MHz\n", + pr_info("PLL1 running at %ld MHz, PLL2 at %ld MHz\n", clk_pll1.rate / 1000000, clk_pll2.rate / 1000000); - printk(KERN_INFO "ep93xx: FCLK %ld MHz, HCLK %ld MHz, PCLK %ld MHz\n", + pr_info("FCLK %ld MHz, HCLK %ld MHz, PCLK %ld MHz\n", clk_f.rate / 1000000, clk_h.rate / 1000000, clk_p.rate / 1000000); - for (i = 0; i < ARRAY_SIZE(clocks); i++) - clkdev_add(&clocks[i]); + clkdev_add_table(clocks, ARRAY_SIZE(clocks)); return 0; } arch_initcall(ep93xx_clock_init); diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 1f0d665..90fb591 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -14,12 +14,15 @@ * your option) any later version. */ +#define pr_fmt(fmt) "ep93xx " KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/dma-mapping.h> #include <linux/timex.h> +#include <linux/irq.h> #include <linux/io.h> #include <linux/gpio.h> #include <linux/leds.h> @@ -35,7 +38,6 @@ #include <asm/mach/map.h> #include <asm/mach/time.h> -#include <asm/mach/irq.h> #include <asm/hardware/vic.h> @@ -82,13 +84,40 @@ void __init ep93xx_map_io(void) * to use this timer for something else. We also use timer 4 for keeping * track of lost jiffies. */ -static unsigned int last_jiffy_time; - +#define EP93XX_TIMER_REG(x) (EP93XX_TIMER_BASE + (x)) +#define EP93XX_TIMER1_LOAD EP93XX_TIMER_REG(0x00) +#define EP93XX_TIMER1_VALUE EP93XX_TIMER_REG(0x04) +#define EP93XX_TIMER1_CONTROL EP93XX_TIMER_REG(0x08) +#define EP93XX_TIMER123_CONTROL_ENABLE (1 << 7) +#define EP93XX_TIMER123_CONTROL_MODE (1 << 6) +#define EP93XX_TIMER123_CONTROL_CLKSEL (1 << 3) +#define EP93XX_TIMER1_CLEAR EP93XX_TIMER_REG(0x0c) +#define EP93XX_TIMER2_LOAD EP93XX_TIMER_REG(0x20) +#define EP93XX_TIMER2_VALUE EP93XX_TIMER_REG(0x24) +#define EP93XX_TIMER2_CONTROL EP93XX_TIMER_REG(0x28) +#define EP93XX_TIMER2_CLEAR EP93XX_TIMER_REG(0x2c) +#define EP93XX_TIMER4_VALUE_LOW EP93XX_TIMER_REG(0x60) +#define EP93XX_TIMER4_VALUE_HIGH EP93XX_TIMER_REG(0x64) +#define EP93XX_TIMER4_VALUE_HIGH_ENABLE (1 << 8) +#define EP93XX_TIMER3_LOAD EP93XX_TIMER_REG(0x80) +#define EP93XX_TIMER3_VALUE EP93XX_TIMER_REG(0x84) +#define EP93XX_TIMER3_CONTROL EP93XX_TIMER_REG(0x88) +#define EP93XX_TIMER3_CLEAR EP93XX_TIMER_REG(0x8c) + +#define EP93XX_TIMER123_CLOCK 508469 +#define EP93XX_TIMER4_CLOCK 983040 + +#define TIMER1_RELOAD ((EP93XX_TIMER123_CLOCK / HZ) - 1) #define TIMER4_TICKS_PER_JIFFY DIV_ROUND_CLOSEST(CLOCK_TICK_RATE, HZ) +static unsigned int last_jiffy_time; + static irqreturn_t ep93xx_timer_interrupt(int irq, void *dev_id) { + /* Writing any value clears the timer interrupt */ __raw_writel(1, EP93XX_TIMER1_CLEAR); + + /* Recover lost jiffies */ while ((signed long) (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time) >= TIMER4_TICKS_PER_JIFFY) { @@ -107,13 +136,18 @@ static struct irqaction ep93xx_timer_irq = { static void __init ep93xx_timer_init(void) { + u32 tmode = EP93XX_TIMER123_CONTROL_MODE | + EP93XX_TIMER123_CONTROL_CLKSEL; + /* Enable periodic HZ timer. */ - __raw_writel(0x48, EP93XX_TIMER1_CONTROL); - __raw_writel((508469 / HZ) - 1, EP93XX_TIMER1_LOAD); - __raw_writel(0xc8, EP93XX_TIMER1_CONTROL); + __raw_writel(tmode, EP93XX_TIMER1_CONTROL); + __raw_writel(TIMER1_RELOAD, EP93XX_TIMER1_LOAD); + __raw_writel(tmode | EP93XX_TIMER123_CONTROL_ENABLE, + EP93XX_TIMER1_CONTROL); /* Enable lost jiffy timer. */ - __raw_writel(0x100, EP93XX_TIMER4_VALUE_HIGH); + __raw_writel(EP93XX_TIMER4_VALUE_HIGH_ENABLE, + EP93XX_TIMER4_VALUE_HIGH); setup_irq(IRQ_EP93XX_TIMER1, &ep93xx_timer_irq); } @@ -135,237 +169,16 @@ struct sys_timer ep93xx_timer = { /************************************************************************* - * GPIO handling for EP93xx - *************************************************************************/ -static unsigned char gpio_int_unmasked[3]; -static unsigned char gpio_int_enabled[3]; -static unsigned char gpio_int_type1[3]; -static unsigned char gpio_int_type2[3]; -static unsigned char gpio_int_debounce[3]; - -/* Port ordering is: A B F */ -static const u8 int_type1_register_offset[3] = { 0x90, 0xac, 0x4c }; -static const u8 int_type2_register_offset[3] = { 0x94, 0xb0, 0x50 }; -static const u8 eoi_register_offset[3] = { 0x98, 0xb4, 0x54 }; -static const u8 int_en_register_offset[3] = { 0x9c, 0xb8, 0x58 }; -static const u8 int_debounce_register_offset[3] = { 0xa8, 0xc4, 0x64 }; - -void ep93xx_gpio_update_int_params(unsigned port) -{ - BUG_ON(port > 2); - - __raw_writeb(0, EP93XX_GPIO_REG(int_en_register_offset[port])); - - __raw_writeb(gpio_int_type2[port], - EP93XX_GPIO_REG(int_type2_register_offset[port])); - - __raw_writeb(gpio_int_type1[port], - EP93XX_GPIO_REG(int_type1_register_offset[port])); - - __raw_writeb(gpio_int_unmasked[port] & gpio_int_enabled[port], - EP93XX_GPIO_REG(int_en_register_offset[port])); -} - -void ep93xx_gpio_int_mask(unsigned line) -{ - gpio_int_unmasked[line >> 3] &= ~(1 << (line & 7)); -} - -void ep93xx_gpio_int_debounce(unsigned int irq, int enable) -{ - int line = irq_to_gpio(irq); - int port = line >> 3; - int port_mask = 1 << (line & 7); - - if (enable) - gpio_int_debounce[port] |= port_mask; - else - gpio_int_debounce[port] &= ~port_mask; - - __raw_writeb(gpio_int_debounce[port], - EP93XX_GPIO_REG(int_debounce_register_offset[port])); -} -EXPORT_SYMBOL(ep93xx_gpio_int_debounce); - -/************************************************************************* * EP93xx IRQ handling *************************************************************************/ -static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - unsigned char status; - int i; - - status = __raw_readb(EP93XX_GPIO_A_INT_STATUS); - for (i = 0; i < 8; i++) { - if (status & (1 << i)) { - int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_A(0)) + i; - generic_handle_irq(gpio_irq); - } - } - - status = __raw_readb(EP93XX_GPIO_B_INT_STATUS); - for (i = 0; i < 8; i++) { - if (status & (1 << i)) { - int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_B(0)) + i; - generic_handle_irq(gpio_irq); - } - } -} - -static void ep93xx_gpio_f_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - /* - * map discontiguous hw irq range to continous sw irq range: - * - * IRQ_EP93XX_GPIO{0..7}MUX -> gpio_to_irq(EP93XX_GPIO_LINE_F({0..7}) - */ - int port_f_idx = ((irq + 1) & 7) ^ 4; /* {19..22,47..50} -> {0..7} */ - int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_F(0)) + port_f_idx; - - generic_handle_irq(gpio_irq); -} - -static void ep93xx_gpio_irq_ack(unsigned int irq) -{ - int line = irq_to_gpio(irq); - int port = line >> 3; - int port_mask = 1 << (line & 7); - - if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) { - gpio_int_type2[port] ^= port_mask; /* switch edge direction */ - ep93xx_gpio_update_int_params(port); - } - - __raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port])); -} - -static void ep93xx_gpio_irq_mask_ack(unsigned int irq) -{ - int line = irq_to_gpio(irq); - int port = line >> 3; - int port_mask = 1 << (line & 7); - - if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) - gpio_int_type2[port] ^= port_mask; /* switch edge direction */ - - gpio_int_unmasked[port] &= ~port_mask; - ep93xx_gpio_update_int_params(port); - - __raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port])); -} - -static void ep93xx_gpio_irq_mask(unsigned int irq) -{ - int line = irq_to_gpio(irq); - int port = line >> 3; - - gpio_int_unmasked[port] &= ~(1 << (line & 7)); - ep93xx_gpio_update_int_params(port); -} - -static void ep93xx_gpio_irq_unmask(unsigned int irq) -{ - int line = irq_to_gpio(irq); - int port = line >> 3; - - gpio_int_unmasked[port] |= 1 << (line & 7); - ep93xx_gpio_update_int_params(port); -} - - -/* - * gpio_int_type1 controls whether the interrupt is level (0) or - * edge (1) triggered, while gpio_int_type2 controls whether it - * triggers on low/falling (0) or high/rising (1). - */ -static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type) -{ - struct irq_desc *desc = irq_desc + irq; - const int gpio = irq_to_gpio(irq); - const int port = gpio >> 3; - const int port_mask = 1 << (gpio & 7); - - gpio_direction_input(gpio); - - switch (type) { - case IRQ_TYPE_EDGE_RISING: - gpio_int_type1[port] |= port_mask; - gpio_int_type2[port] |= port_mask; - desc->handle_irq = handle_edge_irq; - break; - case IRQ_TYPE_EDGE_FALLING: - gpio_int_type1[port] |= port_mask; - gpio_int_type2[port] &= ~port_mask; - desc->handle_irq = handle_edge_irq; - break; - case IRQ_TYPE_LEVEL_HIGH: - gpio_int_type1[port] &= ~port_mask; - gpio_int_type2[port] |= port_mask; - desc->handle_irq = handle_level_irq; - break; - case IRQ_TYPE_LEVEL_LOW: - gpio_int_type1[port] &= ~port_mask; - gpio_int_type2[port] &= ~port_mask; - desc->handle_irq = handle_level_irq; - break; - case IRQ_TYPE_EDGE_BOTH: - gpio_int_type1[port] |= port_mask; - /* set initial polarity based on current input level */ - if (gpio_get_value(gpio)) - gpio_int_type2[port] &= ~port_mask; /* falling */ - else - gpio_int_type2[port] |= port_mask; /* rising */ - desc->handle_irq = handle_edge_irq; - break; - default: - pr_err("ep93xx: failed to set irq type %d for gpio %d\n", - type, gpio); - return -EINVAL; - } - - gpio_int_enabled[port] |= port_mask; - - desc->status &= ~IRQ_TYPE_SENSE_MASK; - desc->status |= type & IRQ_TYPE_SENSE_MASK; - - ep93xx_gpio_update_int_params(port); - - return 0; -} - -static struct irq_chip ep93xx_gpio_irq_chip = { - .name = "GPIO", - .ack = ep93xx_gpio_irq_ack, - .mask_ack = ep93xx_gpio_irq_mask_ack, - .mask = ep93xx_gpio_irq_mask, - .unmask = ep93xx_gpio_irq_unmask, - .set_type = ep93xx_gpio_irq_type, -}; - +extern void ep93xx_gpio_init_irq(void); void __init ep93xx_init_irq(void) { - int gpio_irq; - vic_init(EP93XX_VIC1_BASE, 0, EP93XX_VIC1_VALID_IRQ_MASK, 0); vic_init(EP93XX_VIC2_BASE, 32, EP93XX_VIC2_VALID_IRQ_MASK, 0); - for (gpio_irq = gpio_to_irq(0); - gpio_irq <= gpio_to_irq(EP93XX_GPIO_LINE_MAX_IRQ); ++gpio_irq) { - set_irq_chip(gpio_irq, &ep93xx_gpio_irq_chip); - set_irq_handler(gpio_irq, handle_level_irq); - set_irq_flags(gpio_irq, IRQF_VALID); - } - - set_irq_chained_handler(IRQ_EP93XX_GPIO_AB, ep93xx_gpio_ab_irq_handler); - set_irq_chained_handler(IRQ_EP93XX_GPIO0MUX, ep93xx_gpio_f_irq_handler); - set_irq_chained_handler(IRQ_EP93XX_GPIO1MUX, ep93xx_gpio_f_irq_handler); - set_irq_chained_handler(IRQ_EP93XX_GPIO2MUX, ep93xx_gpio_f_irq_handler); - set_irq_chained_handler(IRQ_EP93XX_GPIO3MUX, ep93xx_gpio_f_irq_handler); - set_irq_chained_handler(IRQ_EP93XX_GPIO4MUX, ep93xx_gpio_f_irq_handler); - set_irq_chained_handler(IRQ_EP93XX_GPIO5MUX, ep93xx_gpio_f_irq_handler); - set_irq_chained_handler(IRQ_EP93XX_GPIO6MUX, ep93xx_gpio_f_irq_handler); - set_irq_chained_handler(IRQ_EP93XX_GPIO7MUX, ep93xx_gpio_f_irq_handler); + ep93xx_gpio_init_irq(); } @@ -572,9 +385,9 @@ void __init ep93xx_register_i2c(struct i2c_gpio_platform_data *data, * CMOS driver. */ if (data->sda_is_open_drain && data->sda_pin != EP93XX_GPIO_LINE_EEDAT) - pr_warning("ep93xx: sda != EEDAT, open drain has no effect\n"); + pr_warning("sda != EEDAT, open drain has no effect\n"); if (data->scl_is_open_drain && data->scl_pin != EP93XX_GPIO_LINE_EECLK) - pr_warning("ep93xx: scl != EECLK, open drain has no effect\n"); + pr_warning("scl != EECLK, open drain has no effect\n"); __raw_writel((data->sda_is_open_drain << 1) | (data->scl_is_open_drain << 0), diff --git a/arch/arm/mach-ep93xx/dma-m2p.c b/arch/arm/mach-ep93xx/dma-m2p.c index dbcac9c4..8904ca4 100644 --- a/arch/arm/mach-ep93xx/dma-m2p.c +++ b/arch/arm/mach-ep93xx/dma-m2p.c @@ -28,6 +28,8 @@ * with this implementation. */ +#define pr_fmt(fmt) "ep93xx " KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/clk.h> #include <linux/err.h> @@ -173,7 +175,7 @@ static irqreturn_t m2p_irq(int irq, void *dev_id) switch (m2p_channel_state(ch)) { case STATE_IDLE: - pr_crit("m2p_irq: dma interrupt without a dma buffer\n"); + pr_crit("dma interrupt without a dma buffer\n"); BUG(); break; @@ -197,7 +199,7 @@ static irqreturn_t m2p_irq(int irq, void *dev_id) break; case STATE_NEXT: - pr_crit("m2p_irq: dma interrupt while next\n"); + pr_crit("dma interrupt while next\n"); BUG(); break; } diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c index a4a7be3..d22d67a 100644 --- a/arch/arm/mach-ep93xx/edb93xx.c +++ b/arch/arm/mach-ep93xx/edb93xx.c @@ -118,12 +118,33 @@ static void __init edb93xx_register_i2c(void) } } + +/************************************************************************* + * EDB93xx pwm + *************************************************************************/ +static void __init edb93xx_register_pwm(void) +{ + if (machine_is_edb9301() || + machine_is_edb9302() || machine_is_edb9302a()) { + /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */ + ep93xx_register_pwm(0, 1); + } else if (machine_is_edb9307() || machine_is_edb9307a()) { + /* EP9307 only has pwm.0 (PWMOUT) */ + ep93xx_register_pwm(1, 0); + } else { + /* EP9312 and EP9315 have both */ + ep93xx_register_pwm(1, 1); + } +} + + static void __init edb93xx_init_machine(void) { ep93xx_init_devices(); edb93xx_register_flash(); ep93xx_register_eth(&edb93xx_eth_data, 1); edb93xx_register_i2c(); + edb93xx_register_pwm(); } diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c index 1ea8871..cc377ae 100644 --- a/arch/arm/mach-ep93xx/gpio.c +++ b/arch/arm/mach-ep93xx/gpio.c @@ -13,6 +13,8 @@ * published by the Free Software Foundation. */ +#define pr_fmt(fmt) "ep93xx " KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/module.h> #include <linux/seq_file.h> @@ -22,6 +24,235 @@ #include <mach/hardware.h> +/************************************************************************* + * GPIO handling for EP93xx + *************************************************************************/ +static unsigned char gpio_int_unmasked[3]; +static unsigned char gpio_int_enabled[3]; +static unsigned char gpio_int_type1[3]; +static unsigned char gpio_int_type2[3]; +static unsigned char gpio_int_debounce[3]; + +/* Port ordering is: A B F */ +static const u8 int_type1_register_offset[3] = { 0x90, 0xac, 0x4c }; +static const u8 int_type2_register_offset[3] = { 0x94, 0xb0, 0x50 }; +static const u8 eoi_register_offset[3] = { 0x98, 0xb4, 0x54 }; +static const u8 int_en_register_offset[3] = { 0x9c, 0xb8, 0x58 }; +static const u8 int_debounce_register_offset[3] = { 0xa8, 0xc4, 0x64 }; + +void ep93xx_gpio_update_int_params(unsigned port) +{ + BUG_ON(port > 2); + + __raw_writeb(0, EP93XX_GPIO_REG(int_en_register_offset[port])); + + __raw_writeb(gpio_int_type2[port], + EP93XX_GPIO_REG(int_type2_register_offset[port])); + + __raw_writeb(gpio_int_type1[port], + EP93XX_GPIO_REG(int_type1_register_offset[port])); + + __raw_writeb(gpio_int_unmasked[port] & gpio_int_enabled[port], + EP93XX_GPIO_REG(int_en_register_offset[port])); +} + +void ep93xx_gpio_int_mask(unsigned line) +{ + gpio_int_unmasked[line >> 3] &= ~(1 << (line & 7)); +} + +void ep93xx_gpio_int_debounce(unsigned int irq, int enable) +{ + int line = irq_to_gpio(irq); + int port = line >> 3; + int port_mask = 1 << (line & 7); + + if (enable) + gpio_int_debounce[port] |= port_mask; + else + gpio_int_debounce[port] &= ~port_mask; + + __raw_writeb(gpio_int_debounce[port], + EP93XX_GPIO_REG(int_debounce_register_offset[port])); +} +EXPORT_SYMBOL(ep93xx_gpio_int_debounce); + +static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + unsigned char status; + int i; + + status = __raw_readb(EP93XX_GPIO_A_INT_STATUS); + for (i = 0; i < 8; i++) { + if (status & (1 << i)) { + int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_A(0)) + i; + generic_handle_irq(gpio_irq); + } + } + + status = __raw_readb(EP93XX_GPIO_B_INT_STATUS); + for (i = 0; i < 8; i++) { + if (status & (1 << i)) { + int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_B(0)) + i; + generic_handle_irq(gpio_irq); + } + } +} + +static void ep93xx_gpio_f_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + /* + * map discontiguous hw irq range to continous sw irq range: + * + * IRQ_EP93XX_GPIO{0..7}MUX -> gpio_to_irq(EP93XX_GPIO_LINE_F({0..7}) + */ + int port_f_idx = ((irq + 1) & 7) ^ 4; /* {19..22,47..50} -> {0..7} */ + int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_F(0)) + port_f_idx; + + generic_handle_irq(gpio_irq); +} + +static void ep93xx_gpio_irq_ack(unsigned int irq) +{ + int line = irq_to_gpio(irq); + int port = line >> 3; + int port_mask = 1 << (line & 7); + + if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) { + gpio_int_type2[port] ^= port_mask; /* switch edge direction */ + ep93xx_gpio_update_int_params(port); + } + + __raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port])); +} + +static void ep93xx_gpio_irq_mask_ack(unsigned int irq) +{ + int line = irq_to_gpio(irq); + int port = line >> 3; + int port_mask = 1 << (line & 7); + + if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) + gpio_int_type2[port] ^= port_mask; /* switch edge direction */ + + gpio_int_unmasked[port] &= ~port_mask; + ep93xx_gpio_update_int_params(port); + + __raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port])); +} + +static void ep93xx_gpio_irq_mask(unsigned int irq) +{ + int line = irq_to_gpio(irq); + int port = line >> 3; + + gpio_int_unmasked[port] &= ~(1 << (line & 7)); + ep93xx_gpio_update_int_params(port); +} + +static void ep93xx_gpio_irq_unmask(unsigned int irq) +{ + int line = irq_to_gpio(irq); + int port = line >> 3; + + gpio_int_unmasked[port] |= 1 << (line & 7); + ep93xx_gpio_update_int_params(port); +} + +/* + * gpio_int_type1 controls whether the interrupt is level (0) or + * edge (1) triggered, while gpio_int_type2 controls whether it + * triggers on low/falling (0) or high/rising (1). + */ +static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type) +{ + struct irq_desc *desc = irq_desc + irq; + const int gpio = irq_to_gpio(irq); + const int port = gpio >> 3; + const int port_mask = 1 << (gpio & 7); + + gpio_direction_input(gpio); + + switch (type) { + case IRQ_TYPE_EDGE_RISING: + gpio_int_type1[port] |= port_mask; + gpio_int_type2[port] |= port_mask; + desc->handle_irq = handle_edge_irq; + break; + case IRQ_TYPE_EDGE_FALLING: + gpio_int_type1[port] |= port_mask; + gpio_int_type2[port] &= ~port_mask; + desc->handle_irq = handle_edge_irq; + break; + case IRQ_TYPE_LEVEL_HIGH: + gpio_int_type1[port] &= ~port_mask; + gpio_int_type2[port] |= port_mask; + desc->handle_irq = handle_level_irq; + break; + case IRQ_TYPE_LEVEL_LOW: + gpio_int_type1[port] &= ~port_mask; + gpio_int_type2[port] &= ~port_mask; + desc->handle_irq = handle_level_irq; + break; + case IRQ_TYPE_EDGE_BOTH: + gpio_int_type1[port] |= port_mask; + /* set initial polarity based on current input level */ + if (gpio_get_value(gpio)) + gpio_int_type2[port] &= ~port_mask; /* falling */ + else + gpio_int_type2[port] |= port_mask; /* rising */ + desc->handle_irq = handle_edge_irq; + break; + default: + pr_err("failed to set irq type %d for gpio %d\n", type, gpio); + return -EINVAL; + } + + gpio_int_enabled[port] |= port_mask; + + desc->status &= ~IRQ_TYPE_SENSE_MASK; + desc->status |= type & IRQ_TYPE_SENSE_MASK; + + ep93xx_gpio_update_int_params(port); + + return 0; +} + +static struct irq_chip ep93xx_gpio_irq_chip = { + .name = "GPIO", + .ack = ep93xx_gpio_irq_ack, + .mask_ack = ep93xx_gpio_irq_mask_ack, + .mask = ep93xx_gpio_irq_mask, + .unmask = ep93xx_gpio_irq_unmask, + .set_type = ep93xx_gpio_irq_type, +}; + +void __init ep93xx_gpio_init_irq(void) +{ + int gpio_irq; + + for (gpio_irq = gpio_to_irq(0); + gpio_irq <= gpio_to_irq(EP93XX_GPIO_LINE_MAX_IRQ); ++gpio_irq) { + set_irq_chip(gpio_irq, &ep93xx_gpio_irq_chip); + set_irq_handler(gpio_irq, handle_level_irq); + set_irq_flags(gpio_irq, IRQF_VALID); + } + + set_irq_chained_handler(IRQ_EP93XX_GPIO_AB, ep93xx_gpio_ab_irq_handler); + set_irq_chained_handler(IRQ_EP93XX_GPIO0MUX, ep93xx_gpio_f_irq_handler); + set_irq_chained_handler(IRQ_EP93XX_GPIO1MUX, ep93xx_gpio_f_irq_handler); + set_irq_chained_handler(IRQ_EP93XX_GPIO2MUX, ep93xx_gpio_f_irq_handler); + set_irq_chained_handler(IRQ_EP93XX_GPIO3MUX, ep93xx_gpio_f_irq_handler); + set_irq_chained_handler(IRQ_EP93XX_GPIO4MUX, ep93xx_gpio_f_irq_handler); + set_irq_chained_handler(IRQ_EP93XX_GPIO5MUX, ep93xx_gpio_f_irq_handler); + set_irq_chained_handler(IRQ_EP93XX_GPIO6MUX, ep93xx_gpio_f_irq_handler); + set_irq_chained_handler(IRQ_EP93XX_GPIO7MUX, ep93xx_gpio_f_irq_handler); +} + + +/************************************************************************* + * gpiolib interface for EP93xx on-chip GPIOs + *************************************************************************/ struct ep93xx_gpio_chip { struct gpio_chip chip; @@ -31,10 +262,6 @@ struct ep93xx_gpio_chip { #define to_ep93xx_gpio_chip(c) container_of(c, struct ep93xx_gpio_chip, chip) -/* From core.c */ -extern void ep93xx_gpio_int_mask(unsigned line); -extern void ep93xx_gpio_update_int_params(unsigned port); - static int ep93xx_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { struct ep93xx_gpio_chip *ep93xx_chip = to_ep93xx_gpio_chip(chip); diff --git a/arch/arm/mach-ep93xx/include/mach/debug-macro.S b/arch/arm/mach-ep93xx/include/mach/debug-macro.S index 802858b..5cd2244 100644 --- a/arch/arm/mach-ep93xx/include/mach/debug-macro.S +++ b/arch/arm/mach-ep93xx/include/mach/debug-macro.S @@ -11,7 +11,7 @@ */ #include <mach/ep93xx-regs.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =EP93XX_APB_PHYS_BASE @ Physical base diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h index d55194a..93e2ecc 100644 --- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h +++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h @@ -92,21 +92,6 @@ /* APB peripherals */ #define EP93XX_TIMER_BASE EP93XX_APB_IOMEM(0x00010000) -#define EP93XX_TIMER_REG(x) (EP93XX_TIMER_BASE + (x)) -#define EP93XX_TIMER1_LOAD EP93XX_TIMER_REG(0x00) -#define EP93XX_TIMER1_VALUE EP93XX_TIMER_REG(0x04) -#define EP93XX_TIMER1_CONTROL EP93XX_TIMER_REG(0x08) -#define EP93XX_TIMER1_CLEAR EP93XX_TIMER_REG(0x0c) -#define EP93XX_TIMER2_LOAD EP93XX_TIMER_REG(0x20) -#define EP93XX_TIMER2_VALUE EP93XX_TIMER_REG(0x24) -#define EP93XX_TIMER2_CONTROL EP93XX_TIMER_REG(0x28) -#define EP93XX_TIMER2_CLEAR EP93XX_TIMER_REG(0x2c) -#define EP93XX_TIMER4_VALUE_LOW EP93XX_TIMER_REG(0x60) -#define EP93XX_TIMER4_VALUE_HIGH EP93XX_TIMER_REG(0x64) -#define EP93XX_TIMER3_LOAD EP93XX_TIMER_REG(0x80) -#define EP93XX_TIMER3_VALUE EP93XX_TIMER_REG(0x84) -#define EP93XX_TIMER3_CONTROL EP93XX_TIMER_REG(0x88) -#define EP93XX_TIMER3_CLEAR EP93XX_TIMER_REG(0x8c) #define EP93XX_I2S_BASE EP93XX_APB_IOMEM(0x00020000) @@ -167,8 +152,11 @@ #define EP93XX_SYSCON_PWRCNT_DMA_M2P1 (1<<16) #define EP93XX_SYSCON_HALT EP93XX_SYSCON_REG(0x08) #define EP93XX_SYSCON_STANDBY EP93XX_SYSCON_REG(0x0c) -#define EP93XX_SYSCON_CLOCK_SET1 EP93XX_SYSCON_REG(0x20) -#define EP93XX_SYSCON_CLOCK_SET2 EP93XX_SYSCON_REG(0x24) +#define EP93XX_SYSCON_CLKSET1 EP93XX_SYSCON_REG(0x20) +#define EP93XX_SYSCON_CLKSET1_NBYP1 (1<<23) +#define EP93XX_SYSCON_CLKSET2 EP93XX_SYSCON_REG(0x24) +#define EP93XX_SYSCON_CLKSET2_NBYP2 (1<<19) +#define EP93XX_SYSCON_CLKSET2_PLL2_EN (1<<18) #define EP93XX_SYSCON_DEVCFG EP93XX_SYSCON_REG(0x80) #define EP93XX_SYSCON_DEVCFG_SWRST (1<<31) #define EP93XX_SYSCON_DEVCFG_D1ONG (1<<30) diff --git a/arch/arm/mach-ep93xx/include/mach/vmalloc.h b/arch/arm/mach-ep93xx/include/mach/vmalloc.h index aed21cd..1b3f25d 100644 --- a/arch/arm/mach-ep93xx/include/mach/vmalloc.h +++ b/arch/arm/mach-ep93xx/include/mach/vmalloc.h @@ -2,4 +2,4 @@ * arch/arm/mach-ep93xx/include/mach/vmalloc.h */ -#define VMALLOC_END 0xfe800000 +#define VMALLOC_END 0xfe800000UL diff --git a/arch/arm/mach-ep93xx/simone.c b/arch/arm/mach-ep93xx/simone.c new file mode 100644 index 0000000..cd93990 --- /dev/null +++ b/arch/arm/mach-ep93xx/simone.c @@ -0,0 +1,97 @@ +/* + * arch/arm/mach-ep93xx/simone.c + * Simplemachines Sim.One support. + * + * Copyright (C) 2010 Ryan Mallon <ryan@bluewatersys.com> + * + * Based on the 2.6.24.7 support: + * Copyright (C) 2009 Simplemachines + * MMC support by Peter Ivanov <ivanovp@gmail.com>, 2007 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/i2c-gpio.h> + +#include <mach/hardware.h> +#include <mach/fb.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +static struct physmap_flash_data simone_flash_data = { + .width = 2, +}; + +static struct resource simone_flash_resource = { + .start = EP93XX_CS6_PHYS_BASE, + .end = EP93XX_CS6_PHYS_BASE + SZ_8M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device simone_flash = { + .name = "physmap-flash", + .id = 0, + .num_resources = 1, + .resource = &simone_flash_resource, + .dev = { + .platform_data = &simone_flash_data, + }, +}; + +static struct ep93xx_eth_data simone_eth_data = { + .phy_id = 1, +}; + +static struct ep93xxfb_mach_info simone_fb_info = { + .num_modes = EP93XXFB_USE_MODEDB, + .bpp = 16, + .flags = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING, +}; + +static struct i2c_gpio_platform_data simone_i2c_gpio_data = { + .sda_pin = EP93XX_GPIO_LINE_EEDAT, + .sda_is_open_drain = 0, + .scl_pin = EP93XX_GPIO_LINE_EECLK, + .scl_is_open_drain = 0, + .udelay = 0, + .timeout = 0, +}; + +static struct i2c_board_info __initdata simone_i2c_board_info[] = { + { + I2C_BOARD_INFO("ds1337", 0x68), + }, +}; + +static void __init simone_init_machine(void) +{ + ep93xx_init_devices(); + + platform_device_register(&simone_flash); + ep93xx_register_eth(&simone_eth_data, 1); + ep93xx_register_fb(&simone_fb_info); + ep93xx_register_i2c(&simone_i2c_gpio_data, simone_i2c_board_info, + ARRAY_SIZE(simone_i2c_board_info)); +} + +MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board") +/* Maintainer: Ryan Mallon <ryan@bluewatersys.com> */ + .phys_io = EP93XX_APB_PHYS_BASE, + .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100, + .map_io = ep93xx_map_io, + .init_irq = ep93xx_init_irq, + .timer = &ep93xx_timer, + .init_machine = simone_init_machine, +MACHINE_END diff --git a/arch/arm/mach-ep93xx/snappercl15.c b/arch/arm/mach-ep93xx/snappercl15.c new file mode 100644 index 0000000..51134b0 --- /dev/null +++ b/arch/arm/mach-ep93xx/snappercl15.c @@ -0,0 +1,172 @@ +/* + * arch/arm/mach-ep93xx/snappercl15.c + * Bluewater Systems Snapper CL15 system module + * + * Copyright (C) 2009 Bluewater Systems Ltd + * Author: Ryan Mallon <ryan@bluewatersys.com> + * + * NAND code adapted from driver by: + * Andre Renaud <andre@bluewatersys.com> + * James R. McKaskill + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + */ + +#include <linux/platform_device.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/i2c-gpio.h> +#include <linux/fb.h> + +#include <linux/mtd/partitions.h> +#include <linux/mtd/nand.h> + +#include <mach/hardware.h> +#include <mach/fb.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#define SNAPPERCL15_NAND_BASE (EP93XX_CS7_PHYS_BASE + SZ_16M) + +#define SNAPPERCL15_NAND_WPN (1 << 8) /* Write protect (active low) */ +#define SNAPPERCL15_NAND_ALE (1 << 9) /* Address latch */ +#define SNAPPERCL15_NAND_CLE (1 << 10) /* Command latch */ +#define SNAPPERCL15_NAND_CEN (1 << 11) /* Chip enable (active low) */ +#define SNAPPERCL15_NAND_RDY (1 << 14) /* Device ready */ + +#define NAND_CTRL_ADDR(chip) (chip->IO_ADDR_W + 0x40) + +static void snappercl15_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + struct nand_chip *chip = mtd->priv; + static u16 nand_state = SNAPPERCL15_NAND_WPN; + u16 set; + + if (ctrl & NAND_CTRL_CHANGE) { + set = SNAPPERCL15_NAND_CEN | SNAPPERCL15_NAND_WPN; + + if (ctrl & NAND_NCE) + set &= ~SNAPPERCL15_NAND_CEN; + if (ctrl & NAND_CLE) + set |= SNAPPERCL15_NAND_CLE; + if (ctrl & NAND_ALE) + set |= SNAPPERCL15_NAND_ALE; + + nand_state &= ~(SNAPPERCL15_NAND_CEN | + SNAPPERCL15_NAND_CLE | + SNAPPERCL15_NAND_ALE); + nand_state |= set; + __raw_writew(nand_state, NAND_CTRL_ADDR(chip)); + } + + if (cmd != NAND_CMD_NONE) + __raw_writew((cmd & 0xff) | nand_state, chip->IO_ADDR_W); +} + +static int snappercl15_nand_dev_ready(struct mtd_info *mtd) +{ + struct nand_chip *chip = mtd->priv; + + return !!(__raw_readw(NAND_CTRL_ADDR(chip)) & SNAPPERCL15_NAND_RDY); +} + +static const char *snappercl15_nand_part_probes[] = {"cmdlinepart", NULL}; + +static struct mtd_partition snappercl15_nand_parts[] = { + { + .name = "Kernel", + .offset = 0, + .size = SZ_2M, + }, + { + .name = "Filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct platform_nand_data snappercl15_nand_data = { + .chip = { + .nr_chips = 1, + .part_probe_types = snappercl15_nand_part_probes, + .partitions = snappercl15_nand_parts, + .nr_partitions = ARRAY_SIZE(snappercl15_nand_parts), + .options = NAND_NO_AUTOINCR, + .chip_delay = 25, + }, + .ctrl = { + .dev_ready = snappercl15_nand_dev_ready, + .cmd_ctrl = snappercl15_nand_cmd_ctrl, + }, +}; + +static struct resource snappercl15_nand_resource[] = { + { + .start = SNAPPERCL15_NAND_BASE, + .end = SNAPPERCL15_NAND_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device snappercl15_nand_device = { + .name = "gen_nand", + .id = -1, + .dev.platform_data = &snappercl15_nand_data, + .resource = snappercl15_nand_resource, + .num_resources = ARRAY_SIZE(snappercl15_nand_resource), +}; + +static struct ep93xx_eth_data snappercl15_eth_data = { + .phy_id = 1, +}; + +static struct i2c_gpio_platform_data snappercl15_i2c_gpio_data = { + .sda_pin = EP93XX_GPIO_LINE_EEDAT, + .sda_is_open_drain = 0, + .scl_pin = EP93XX_GPIO_LINE_EECLK, + .scl_is_open_drain = 0, + .udelay = 0, + .timeout = 0, +}; + +static struct i2c_board_info __initdata snappercl15_i2c_data[] = { + { + /* Audio codec */ + I2C_BOARD_INFO("tlv320aic23", 0x1a), + }, +}; + +static struct ep93xxfb_mach_info snappercl15_fb_info = { + .num_modes = EP93XXFB_USE_MODEDB, + .bpp = 16, +}; + +static void __init snappercl15_init_machine(void) +{ + ep93xx_init_devices(); + ep93xx_register_eth(&snappercl15_eth_data, 1); + ep93xx_register_i2c(&snappercl15_i2c_gpio_data, snappercl15_i2c_data, + ARRAY_SIZE(snappercl15_i2c_data)); + ep93xx_register_fb(&snappercl15_fb_info); + platform_device_register(&snappercl15_nand_device); +} + +MACHINE_START(SNAPPER_CL15, "Bluewater Systems Snapper CL15") + /* Maintainer: Ryan Mallon <ryan@bluewatersys.com> */ + .phys_io = EP93XX_APB_PHYS_BASE, + .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100, + .map_io = ep93xx_map_io, + .init_irq = ep93xx_init_irq, + .timer = &ep93xx_timer, + .init_machine = snappercl15_init_machine, +MACHINE_END diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c index 41febc7..e3bc3f6 100644 --- a/arch/arm/mach-footbridge/common.c +++ b/arch/arm/mach-footbridge/common.c @@ -32,12 +32,13 @@ unsigned int mem_fclk_21285 = 50000000; EXPORT_SYMBOL(mem_fclk_21285); -static void __init early_fclk(char **arg) +static int __init early_fclk(char *arg) { - mem_fclk_21285 = simple_strtoul(*arg, arg, 0); + mem_fclk_21285 = simple_strtoul(arg, NULL, 0); + return 0; } -__early_param("mem_fclk_21285=", early_fclk); +early_param("mem_fclk_21285", early_fclk); static int __init parse_tag_memclk(const struct tag *tag) { diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S index 4329b81..60dda13 100644 --- a/arch/arm/mach-footbridge/include/mach/debug-macro.S +++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S @@ -15,7 +15,7 @@ #ifndef CONFIG_DEBUG_DC21285_PORT /* For NetWinder debugging */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x7c000000 @ physical @@ -32,7 +32,7 @@ .equ dc21285_high, ARMCSR_BASE & 0xff000000 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x42000000 diff --git a/arch/arm/mach-gemini/include/mach/debug-macro.S b/arch/arm/mach-gemini/include/mach/debug-macro.S index d04a6ea..ad47704 100644 --- a/arch/arm/mach-gemini/include/mach/debug-macro.S +++ b/arch/arm/mach-gemini/include/mach/debug-macro.S @@ -11,7 +11,7 @@ */ #include <mach/hardware.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =GEMINI_UART_BASE @ physical diff --git a/arch/arm/mach-gemini/include/mach/vmalloc.h b/arch/arm/mach-gemini/include/mach/vmalloc.h index 83e536d..45371eb 100644 --- a/arch/arm/mach-gemini/include/mach/vmalloc.h +++ b/arch/arm/mach-gemini/include/mach/vmalloc.h @@ -7,4 +7,4 @@ * (at your option) any later version. */ -#define VMALLOC_END 0xF0000000 +#define VMALLOC_END 0xf0000000UL diff --git a/arch/arm/mach-h720x/include/mach/debug-macro.S b/arch/arm/mach-h720x/include/mach/debug-macro.S index 6294a13..a9ee8f0 100644 --- a/arch/arm/mach-h720x/include/mach/debug-macro.S +++ b/arch/arm/mach-h720x/include/mach/debug-macro.S @@ -14,7 +14,7 @@ .equ io_virt, IO_BASE .equ io_phys, IO_START - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #io_phys @ physical base address diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index a0f60e5..8b390e3 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -144,8 +144,7 @@ static int __init integrator_init(void) { int i; - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { struct amba_device *d = amba_devs[i]; diff --git a/arch/arm/mach-integrator/include/mach/debug-macro.S b/arch/arm/mach-integrator/include/mach/debug-macro.S index d347d65..87a6888 100644 --- a/arch/arm/mach-integrator/include/mach/debug-macro.S +++ b/arch/arm/mach-integrator/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x16000000 @ physical base address diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 3f35293..66ef86d 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -558,9 +558,7 @@ static void __init intcp_init(void) { int i; - for (i = 0; i < ARRAY_SIZE(cp_lookups); i++) - clkdev_add(&cp_lookups[i]); - + clkdev_add_table(cp_lookups, ARRAY_SIZE(cp_lookups)); platform_add_devices(intcp_devs, ARRAY_SIZE(intcp_devs)); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { diff --git a/arch/arm/mach-iop13xx/include/mach/debug-macro.S b/arch/arm/mach-iop13xx/include/mach/debug-macro.S index 9037d2e..c9d6ba4 100644 --- a/arch/arm/mach-iop13xx/include/mach/debug-macro.S +++ b/arch/arm/mach-iop13xx/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * published by the Free Software Foundation. */ - .macro addruart, rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ mmu enabled? moveq \rx, #0xff000000 @ physical diff --git a/arch/arm/mach-iop13xx/io.c b/arch/arm/mach-iop13xx/io.c index 5295809..48642e6 100644 --- a/arch/arm/mach-iop13xx/io.c +++ b/arch/arm/mach-iop13xx/io.c @@ -61,9 +61,9 @@ void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size, (cookie - IOP13XX_PCIE_LOWER_MEM_RA)); break; case IOP13XX_PBI_LOWER_MEM_RA ... IOP13XX_PBI_UPPER_MEM_RA: - retval = __arm_ioremap(IOP13XX_PBI_LOWER_MEM_PA + + retval = __arm_ioremap_caller(IOP13XX_PBI_LOWER_MEM_PA + (cookie - IOP13XX_PBI_LOWER_MEM_RA), - size, mtype); + size, mtype, __builtin_return_address(0)); break; case IOP13XX_PCIE_LOWER_IO_PA ... IOP13XX_PCIE_UPPER_IO_PA: retval = (void *) IOP13XX_PCIE_IO_PHYS_TO_VIRT(cookie); @@ -75,7 +75,8 @@ void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size, retval = (void *) IOP13XX_PMMR_PHYS_TO_VIRT(cookie); break; default: - retval = __arm_ioremap(cookie, size, mtype); + retval = __arm_ioremap_caller(cookie, size, mtype, + __builtin_return_address(0)); } return retval; diff --git a/arch/arm/mach-iop32x/include/mach/debug-macro.S b/arch/arm/mach-iop32x/include/mach/debug-macro.S index 58b0166..736afe1 100644 --- a/arch/arm/mach-iop32x/include/mach/debug-macro.S +++ b/arch/arm/mach-iop32x/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * published by the Free Software Foundation. */ - .macro addruart, rx + .macro addruart, rx, tmp mov \rx, #0xfe000000 @ physical as well as virtual orr \rx, \rx, #0x00800000 @ location of the UART .endm diff --git a/arch/arm/mach-iop32x/include/mach/vmalloc.h b/arch/arm/mach-iop32x/include/mach/vmalloc.h index 85ceb09..c4862d4 100644 --- a/arch/arm/mach-iop32x/include/mach/vmalloc.h +++ b/arch/arm/mach-iop32x/include/mach/vmalloc.h @@ -2,4 +2,4 @@ * arch/arm/mach-iop32x/include/mach/vmalloc.h */ -#define VMALLOC_END 0xfe000000 +#define VMALLOC_END 0xfe000000UL diff --git a/arch/arm/mach-iop33x/include/mach/debug-macro.S b/arch/arm/mach-iop33x/include/mach/debug-macro.S index a60c9ef..addb2da 100644 --- a/arch/arm/mach-iop33x/include/mach/debug-macro.S +++ b/arch/arm/mach-iop33x/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * published by the Free Software Foundation. */ - .macro addruart, rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ mmu enabled? moveq \rx, #0xff000000 @ physical diff --git a/arch/arm/mach-iop33x/include/mach/vmalloc.h b/arch/arm/mach-iop33x/include/mach/vmalloc.h index f9f99de..48331dc 100644 --- a/arch/arm/mach-iop33x/include/mach/vmalloc.h +++ b/arch/arm/mach-iop33x/include/mach/vmalloc.h @@ -2,4 +2,4 @@ * arch/arm/mach-iop33x/include/mach/vmalloc.h */ -#define VMALLOC_END 0xfe000000 +#define VMALLOC_END 0xfe000000UL diff --git a/arch/arm/mach-ixp2000/include/mach/debug-macro.S b/arch/arm/mach-ixp2000/include/mach/debug-macro.S index 904ff56..6a82768 100644 --- a/arch/arm/mach-ixp2000/include/mach/debug-macro.S +++ b/arch/arm/mach-ixp2000/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0xc0000000 @ Physical base diff --git a/arch/arm/mach-ixp2000/include/mach/vmalloc.h b/arch/arm/mach-ixp2000/include/mach/vmalloc.h index d195e35..61c8dae 100644 --- a/arch/arm/mach-ixp2000/include/mach/vmalloc.h +++ b/arch/arm/mach-ixp2000/include/mach/vmalloc.h @@ -17,4 +17,4 @@ * The vmalloc() routines leaves a hole of 4kB between each vmalloced * area for the same reason. ;) */ -#define VMALLOC_END 0xfb000000 +#define VMALLOC_END 0xfb000000UL diff --git a/arch/arm/mach-ixp23xx/include/mach/debug-macro.S b/arch/arm/mach-ixp23xx/include/mach/debug-macro.S index 905db31..a82e3754 100644 --- a/arch/arm/mach-ixp23xx/include/mach/debug-macro.S +++ b/arch/arm/mach-ixp23xx/include/mach/debug-macro.S @@ -12,7 +12,7 @@ */ #include <mach/ixp23xx.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ mmu enabled? ldreq \rx, =IXP23XX_PERIPHERAL_PHYS @ physical diff --git a/arch/arm/mach-ixp23xx/include/mach/vmalloc.h b/arch/arm/mach-ixp23xx/include/mach/vmalloc.h index dd519f6..896c56a 100644 --- a/arch/arm/mach-ixp23xx/include/mach/vmalloc.h +++ b/arch/arm/mach-ixp23xx/include/mach/vmalloc.h @@ -7,4 +7,4 @@ * specific static I/O. */ -#define VMALLOC_END (0xec000000) +#define VMALLOC_END (0xec000000UL) diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 3bbf40f..71728d3 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -427,6 +427,17 @@ static void __init ixp4xx_clocksource_init(void) } /* + * sched_clock() + */ +unsigned long long sched_clock(void) +{ + cycle_t cyc = ixp4xx_get_cycles(NULL); + struct clocksource *cs = &clocksource_ixp4xx; + + return clocksource_cyc2ns(cyc, cs->mult, cs->shift); +} + +/* * clockevents */ static int ixp4xx_set_next_event(unsigned long evt, diff --git a/arch/arm/mach-ixp4xx/include/mach/debug-macro.S b/arch/arm/mach-ixp4xx/include/mach/debug-macro.S index 7c6a691..893873e 100644 --- a/arch/arm/mach-ixp4xx/include/mach/debug-macro.S +++ b/arch/arm/mach-ixp4xx/include/mach/debug-macro.S @@ -10,7 +10,7 @@ * published by the Free Software Foundation. */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0xc8000000 diff --git a/arch/arm/mach-ixp4xx/include/mach/vmalloc.h b/arch/arm/mach-ixp4xx/include/mach/vmalloc.h index 7b3580b..9bcd64d 100644 --- a/arch/arm/mach-ixp4xx/include/mach/vmalloc.h +++ b/arch/arm/mach-ixp4xx/include/mach/vmalloc.h @@ -1,5 +1,5 @@ /* * arch/arm/mach-ixp4xx/include/mach/vmalloc.h */ -#define VMALLOC_END (0xFF000000) +#define VMALLOC_END (0xff000000UL) diff --git a/arch/arm/mach-kirkwood/include/mach/debug-macro.S b/arch/arm/mach-kirkwood/include/mach/debug-macro.S index a4a55c1..d060677 100644 --- a/arch/arm/mach-kirkwood/include/mach/debug-macro.S +++ b/arch/arm/mach-kirkwood/include/mach/debug-macro.S @@ -8,7 +8,7 @@ #include <mach/bridge-regs.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =KIRKWOOD_REGS_PHYS_BASE diff --git a/arch/arm/mach-kirkwood/include/mach/vmalloc.h b/arch/arm/mach-kirkwood/include/mach/vmalloc.h index 8f48260..bf162ca 100644 --- a/arch/arm/mach-kirkwood/include/mach/vmalloc.h +++ b/arch/arm/mach-kirkwood/include/mach/vmalloc.h @@ -2,4 +2,4 @@ * arch/arm/mach-kirkwood/include/mach/vmalloc.h */ -#define VMALLOC_END 0xfe800000 +#define VMALLOC_END 0xfe800000UL diff --git a/arch/arm/mach-ks8695/include/mach/debug-macro.S b/arch/arm/mach-ks8695/include/mach/debug-macro.S index 3782c35..cf2095d 100644 --- a/arch/arm/mach-ks8695/include/mach/debug-macro.S +++ b/arch/arm/mach-ks8695/include/mach/debug-macro.S @@ -14,7 +14,7 @@ #include <mach/hardware.h> #include <mach/regs-uart.h> - .macro addruart, rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =KS8695_UART_PA @ physical base address diff --git a/arch/arm/mach-l7200/include/mach/debug-macro.S b/arch/arm/mach-l7200/include/mach/debug-macro.S index 34eed2a..b69ed34 100644 --- a/arch/arm/mach-l7200/include/mach/debug-macro.S +++ b/arch/arm/mach-l7200/include/mach/debug-macro.S @@ -14,7 +14,7 @@ .equ io_virt, IO_BASE .equ io_phys, IO_START - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #io_phys @ physical base address diff --git a/arch/arm/mach-lh7a40x/include/mach/debug-macro.S b/arch/arm/mach-lh7a40x/include/mach/debug-macro.S index 85141ed..c0dcbbb 100644 --- a/arch/arm/mach-lh7a40x/include/mach/debug-macro.S +++ b/arch/arm/mach-lh7a40x/include/mach/debug-macro.S @@ -14,7 +14,7 @@ @ It is not known if this will be appropriate for every 40x @ board. - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? mov \rx, #0x00000700 @ offset from base diff --git a/arch/arm/mach-lh7a40x/include/mach/vmalloc.h b/arch/arm/mach-lh7a40x/include/mach/vmalloc.h index 3fbd494..d62da73 100644 --- a/arch/arm/mach-lh7a40x/include/mach/vmalloc.h +++ b/arch/arm/mach-lh7a40x/include/mach/vmalloc.h @@ -7,4 +7,4 @@ * version 2 as published by the Free Software Foundation. * */ -#define VMALLOC_END (0xe8000000) +#define VMALLOC_END (0xe8000000UL) diff --git a/arch/arm/mach-loki/include/mach/debug-macro.S b/arch/arm/mach-loki/include/mach/debug-macro.S index a8c20bd..3136c91 100644 --- a/arch/arm/mach-loki/include/mach/debug-macro.S +++ b/arch/arm/mach-loki/include/mach/debug-macro.S @@ -8,7 +8,7 @@ #include <mach/loki.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =LOKI_REGS_PHYS_BASE diff --git a/arch/arm/mach-loki/include/mach/vmalloc.h b/arch/arm/mach-loki/include/mach/vmalloc.h index 8dc3bfc..5dcbd86 100644 --- a/arch/arm/mach-loki/include/mach/vmalloc.h +++ b/arch/arm/mach-loki/include/mach/vmalloc.h @@ -2,4 +2,4 @@ * arch/arm/mach-loki/include/mach/vmalloc.h */ -#define VMALLOC_END 0xfe800000 +#define VMALLOC_END 0xfe800000UL diff --git a/arch/arm/mach-mmp/clock.c b/arch/arm/mach-mmp/clock.c index 2a46ed5..886e056 100644 --- a/arch/arm/mach-mmp/clock.c +++ b/arch/arm/mach-mmp/clock.c @@ -88,11 +88,3 @@ unsigned long clk_get_rate(struct clk *clk) return rate; } EXPORT_SYMBOL(clk_get_rate); - -void clks_register(struct clk_lookup *clks, size_t num) -{ - int i; - - for (i = 0; i < num; i++) - clkdev_add(&clks[i]); -} diff --git a/arch/arm/mach-mmp/clock.h b/arch/arm/mach-mmp/clock.h index eefffbe..016ae94 100644 --- a/arch/arm/mach-mmp/clock.h +++ b/arch/arm/mach-mmp/clock.h @@ -68,5 +68,3 @@ struct clk clk_##_name = { \ extern struct clk clk_pxa168_gpio; extern struct clk clk_pxa168_timers; - -extern void clks_register(struct clk_lookup *, size_t); diff --git a/arch/arm/mach-mmp/include/mach/debug-macro.S b/arch/arm/mach-mmp/include/mach/debug-macro.S index a850f87..76deff2 100644 --- a/arch/arm/mach-mmp/include/mach/debug-macro.S +++ b/arch/arm/mach-mmp/include/mach/debug-macro.S @@ -11,7 +11,7 @@ #include <mach/addr-map.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =APB_PHYS_BASE @ physical diff --git a/arch/arm/mach-mmp/include/mach/vmalloc.h b/arch/arm/mach-mmp/include/mach/vmalloc.h index b60ccaf..1d0bac0 100644 --- a/arch/arm/mach-mmp/include/mach/vmalloc.h +++ b/arch/arm/mach-mmp/include/mach/vmalloc.h @@ -2,4 +2,4 @@ * linux/arch/arm/mach-mmp/include/mach/vmalloc.h */ -#define VMALLOC_END 0xfe000000 +#define VMALLOC_END 0xfe000000UL diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c index 37dbdde..1873c82 100644 --- a/arch/arm/mach-mmp/pxa168.c +++ b/arch/arm/mach-mmp/pxa168.c @@ -94,7 +94,7 @@ static int __init pxa168_init(void) mfp_init_base(MFPR_VIRT_BASE); mfp_init_addr(pxa168_mfp_addr_map); pxa_init_dma(IRQ_PXA168_DMA_INT0, 32); - clks_register(ARRAY_AND_SIZE(pxa168_clkregs)); + clkdev_add_table(ARRAY_AND_SIZE(pxa168_clkregs)); } return 0; diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c index d404950..46f2d69 100644 --- a/arch/arm/mach-mmp/pxa910.c +++ b/arch/arm/mach-mmp/pxa910.c @@ -131,7 +131,7 @@ static int __init pxa910_init(void) mfp_init_base(MFPR_VIRT_BASE); mfp_init_addr(pxa910_mfp_addr_map); pxa_init_dma(IRQ_PXA910_DMA_INT0, 32); - clks_register(ARRAY_AND_SIZE(pxa910_clkregs)); + clkdev_add_table(ARRAY_AND_SIZE(pxa910_clkregs)); } return 0; diff --git a/arch/arm/mach-msm/include/mach/debug-macro.S b/arch/arm/mach-msm/include/mach/debug-macro.S index d48747e..528750f 100644 --- a/arch/arm/mach-msm/include/mach/debug-macro.S +++ b/arch/arm/mach-msm/include/mach/debug-macro.S @@ -20,7 +20,7 @@ #include <mach/msm_iomap.h> #ifdef CONFIG_MSM_DEBUG_UART - .macro addruart,rx + .macro addruart, rx, tmp @ see if the MMU is enabled and select appropriate base address mrc p15, 0, \rx, c1, c0 tst \rx, #1 @@ -40,7 +40,7 @@ beq 1001b .endm #else - .macro addruart,rx + .macro addruart, rx, tmp .endm .macro senduart,rd,rx diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c index 1c5e7da..05f96b7 100644 --- a/arch/arm/mach-msm/io.c +++ b/arch/arm/mach-msm/io.c @@ -76,5 +76,6 @@ __msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) mtype = MT_DEVICE_NONSHARED; } - return __arm_ioremap(phys_addr, size, mtype); + return __arm_ioremap_caller(phys_addr, size, mtype, + __builtin_return_address(0)); } diff --git a/arch/arm/mach-mv78xx0/include/mach/debug-macro.S b/arch/arm/mach-mv78xx0/include/mach/debug-macro.S index a06442f..cd81689 100644 --- a/arch/arm/mach-mv78xx0/include/mach/debug-macro.S +++ b/arch/arm/mach-mv78xx0/include/mach/debug-macro.S @@ -8,7 +8,7 @@ #include <mach/mv78xx0.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =MV78XX0_REGS_PHYS_BASE diff --git a/arch/arm/mach-mv78xx0/include/mach/vmalloc.h b/arch/arm/mach-mv78xx0/include/mach/vmalloc.h index 1c49543..ba26fe9 100644 --- a/arch/arm/mach-mv78xx0/include/mach/vmalloc.h +++ b/arch/arm/mach-mv78xx0/include/mach/vmalloc.h @@ -2,4 +2,4 @@ * arch/arm/mach-mv78xx0/include/mach/vmalloc.h */ -#define VMALLOC_END 0xfe000000 +#define VMALLOC_END 0xfe000000UL diff --git a/arch/arm/mach-mx1/clock.c b/arch/arm/mach-mx1/clock.c index d1b5885..6cf2d4a 100644 --- a/arch/arm/mach-mx1/clock.c +++ b/arch/arm/mach-mx1/clock.c @@ -570,7 +570,6 @@ static struct clk_lookup lookups[] __initdata = { int __init mx1_clocks_init(unsigned long fref) { unsigned int reg; - int i; /* disable clocks we are able to */ __raw_writel(0, SCM_GCCR); @@ -592,8 +591,7 @@ int __init mx1_clocks_init(unsigned long fref) reg = (reg & CCM_CSCR_CLKO_MASK) >> CCM_CSCR_CLKO_OFFSET; clko_clk.parent = (struct clk *)clko_clocks[reg]; - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); clk_enable(&hclk); clk_enable(&fclk); diff --git a/arch/arm/mach-mx2/clock_imx21.c b/arch/arm/mach-mx2/clock_imx21.c index 91901b5..e82b489 100644 --- a/arch/arm/mach-mx2/clock_imx21.c +++ b/arch/arm/mach-mx2/clock_imx21.c @@ -968,7 +968,6 @@ static struct clk_lookup lookups[] = { */ int __init mx21_clocks_init(unsigned long lref, unsigned long href) { - int i; u32 cscr; external_low_reference = lref; @@ -986,8 +985,7 @@ int __init mx21_clocks_init(unsigned long lref, unsigned long href) else spll_clk.parent = &fpm_clk; - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); /* Turn off all clock gates */ __raw_writel(0, CCM_PCCR0); diff --git a/arch/arm/mach-mx2/clock_imx27.c b/arch/arm/mach-mx2/clock_imx27.c index b010bf9..18c53a6 100644 --- a/arch/arm/mach-mx2/clock_imx27.c +++ b/arch/arm/mach-mx2/clock_imx27.c @@ -719,7 +719,6 @@ static void __init to2_adjust_clocks(void) int __init mx27_clocks_init(unsigned long fref) { u32 cscr = __raw_readl(CCM_CSCR); - int i; external_high_reference = fref; @@ -736,8 +735,7 @@ int __init mx27_clocks_init(unsigned long fref) to2_adjust_clocks(); - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); /* Turn off all clocks we do not need */ __raw_writel(0, CCM_PCCR0); diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c index 6acc88b..37e1359 100644 --- a/arch/arm/mach-mx25/clock.c +++ b/arch/arm/mach-mx25/clock.c @@ -218,10 +218,7 @@ static struct clk_lookup lookups[] = { int __init mx25_clocks_init(void) { - int i; - - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); /* Turn off all clocks except the ones we need to survive, namely: * EMI, GPIO1-3 (CCM_CGCR1[18:16]), GPT1, IOMUXC (CCM_CGCR1[27]), IIM, diff --git a/arch/arm/mach-mx3/clock-imx35.c b/arch/arm/mach-mx3/clock-imx35.c index 7584b4c..f3f41fa 100644 --- a/arch/arm/mach-mx3/clock-imx35.c +++ b/arch/arm/mach-mx3/clock-imx35.c @@ -485,15 +485,13 @@ static struct clk_lookup lookups[] = { int __init mx35_clocks_init() { - int i; unsigned int ll = 0; #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC) ll = (3 << 16); #endif - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); /* Turn off all clocks except the ones we need to survive, namely: * EMI, GPIO1/2/3, GPT, IOMUX, MAX and eventually uart diff --git a/arch/arm/mach-mx3/clock.c b/arch/arm/mach-mx3/clock.c index 27a318a..b5c39a0 100644 --- a/arch/arm/mach-mx3/clock.c +++ b/arch/arm/mach-mx3/clock.c @@ -578,12 +578,10 @@ static struct clk_lookup lookups[] = { int __init mx31_clocks_init(unsigned long fref) { u32 reg; - int i; ckih_rate = fref; - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); /* change the csi_clk parent if necessary */ reg = __raw_readl(MXC_CCM_CCMR); diff --git a/arch/arm/mach-mxc91231/clock.c b/arch/arm/mach-mxc91231/clock.c index ecfa37f..5c85075 100644 --- a/arch/arm/mach-mxc91231/clock.c +++ b/arch/arm/mach-mxc91231/clock.c @@ -624,7 +624,6 @@ static struct clk_lookup lookups[] = { int __init mxc91231_clocks_init(unsigned long fref) { void __iomem *gpt_base; - int i; ckih_rate = fref; @@ -632,8 +631,7 @@ int __init mxc91231_clocks_init(unsigned long fref) sdhc_clk[0].parent = clk_sdhc_parent(&sdhc_clk[0]); sdhc_clk[1].parent = clk_sdhc_parent(&sdhc_clk[1]); - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); gpt_base = MXC91231_IO_ADDRESS(MXC91231_GPT1_BASE_ADDR); mxc_timer_init(&gpt_clk, gpt_base, MXC91231_INT_GPT); diff --git a/arch/arm/mach-netx/include/mach/debug-macro.S b/arch/arm/mach-netx/include/mach/debug-macro.S index 11b9d5b..e96339e 100644 --- a/arch/arm/mach-netx/include/mach/debug-macro.S +++ b/arch/arm/mach-netx/include/mach/debug-macro.S @@ -13,7 +13,7 @@ #include "hardware.h" - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x00100000 @ physical diff --git a/arch/arm/mach-nomadik/include/mach/debug-macro.S b/arch/arm/mach-nomadik/include/mach/debug-macro.S index e876990..4f92acf 100644 --- a/arch/arm/mach-nomadik/include/mach/debug-macro.S +++ b/arch/arm/mach-nomadik/include/mach/debug-macro.S @@ -10,7 +10,7 @@ * */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x10000000 @ physical base address diff --git a/arch/arm/mach-nomadik/include/mach/vmalloc.h b/arch/arm/mach-nomadik/include/mach/vmalloc.h index be12e31..f83d574 100644 --- a/arch/arm/mach-nomadik/include/mach/vmalloc.h +++ b/arch/arm/mach-nomadik/include/mach/vmalloc.h @@ -1,2 +1,2 @@ -#define VMALLOC_END 0xe8000000 +#define VMALLOC_END 0xe8000000UL diff --git a/arch/arm/mach-ns9xxx/include/mach/debug-macro.S b/arch/arm/mach-ns9xxx/include/mach/debug-macro.S index c9530fb..0859336 100644 --- a/arch/arm/mach-ns9xxx/include/mach/debug-macro.S +++ b/arch/arm/mach-ns9xxx/include/mach/debug-macro.S @@ -11,7 +11,7 @@ #include <mach/regs-board-a9m9750dev.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 ldreq \rx, =NS9XXX_CSxSTAT_PHYS(0) diff --git a/arch/arm/mach-ns9xxx/include/mach/vmalloc.h b/arch/arm/mach-ns9xxx/include/mach/vmalloc.h index fe964d3..c865197 100644 --- a/arch/arm/mach-ns9xxx/include/mach/vmalloc.h +++ b/arch/arm/mach-ns9xxx/include/mach/vmalloc.h @@ -11,6 +11,6 @@ #ifndef __ASM_ARCH_VMALLOC_H #define __ASM_ARCH_VMALLOC_H -#define VMALLOC_END (0xf0000000) +#define VMALLOC_END (0xf0000000UL) #endif /* ifndef __ASM_ARCH_VMALLOC_H */ diff --git a/arch/arm/mach-nuc93x/Kconfig b/arch/arm/mach-nuc93x/Kconfig new file mode 100644 index 0000000..2bc40a2 --- /dev/null +++ b/arch/arm/mach-nuc93x/Kconfig @@ -0,0 +1,19 @@ +if ARCH_NUC93X + +config CPU_NUC932 + bool + help + Support for NUC932 of Nuvoton NUC93X CPUs. + +menu "NUC932 Machines" + +config MACH_NUC932EVB + bool "Nuvoton NUC932 Evaluation Board" + default y + select CPU_NUC932 + help + Say Y here if you are using the Nuvoton NUC932EVB + +endmenu + +endif diff --git a/arch/arm/mach-nuc93x/Makefile b/arch/arm/mach-nuc93x/Makefile new file mode 100644 index 0000000..440e2de --- /dev/null +++ b/arch/arm/mach-nuc93x/Makefile @@ -0,0 +1,14 @@ +# +# Makefile for the linux kernel. +# + +# Object file lists. + +obj-y := irq.o time.o dev.o cpu.o clock.o +# NUC932 CPU support files + +obj-$(CONFIG_CPU_NUC932) += nuc932.o + +# machine support + +obj-$(CONFIG_MACH_NUC932EVB) += mach-nuc932evb.o diff --git a/arch/arm/mach-nuc93x/Makefile.boot b/arch/arm/mach-nuc93x/Makefile.boot new file mode 100644 index 0000000..a057b54 --- /dev/null +++ b/arch/arm/mach-nuc93x/Makefile.boot @@ -0,0 +1,3 @@ +zreladdr-y := 0x00008000 +params_phys-y := 0x00000100 + diff --git a/arch/arm/mach-nuc93x/clock.c b/arch/arm/mach-nuc93x/clock.c new file mode 100644 index 0000000..0521efb --- /dev/null +++ b/arch/arm/mach-nuc93x/clock.c @@ -0,0 +1,83 @@ +/* + * linux/arch/arm/mach-nuc93x/clock.c + * + * Copyright (c) 2008 Nuvoton technology corporation + * + * Wan ZongShun <mcuos.com@gmail.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. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/string.h> +#include <linux/clk.h> +#include <linux/spinlock.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <mach/hardware.h> + +#include "clock.h" + +static DEFINE_SPINLOCK(clocks_lock); + +int clk_enable(struct clk *clk) +{ + unsigned long flags; + + spin_lock_irqsave(&clocks_lock, flags); + if (clk->enabled++ == 0) + (clk->enable)(clk, 1); + spin_unlock_irqrestore(&clocks_lock, flags); + + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ + unsigned long flags; + + WARN_ON(clk->enabled == 0); + + spin_lock_irqsave(&clocks_lock, flags); + if (--clk->enabled == 0) + (clk->enable)(clk, 0); + spin_unlock_irqrestore(&clocks_lock, flags); +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return 27000000; +} +EXPORT_SYMBOL(clk_get_rate); + +void nuc93x_clk_enable(struct clk *clk, int enable) +{ + unsigned int clocks = clk->cken; + unsigned long clken; + + clken = __raw_readl(NUC93X_VA_CLKPWR); + + if (enable) + clken |= clocks; + else + clken &= ~clocks; + + __raw_writel(clken, NUC93X_VA_CLKPWR); +} + +void clks_register(struct clk_lookup *clks, size_t num) +{ + int i; + + for (i = 0; i < num; i++) + clkdev_add(&clks[i]); +} diff --git a/arch/arm/mach-nuc93x/clock.h b/arch/arm/mach-nuc93x/clock.h new file mode 100644 index 0000000..18e51be --- /dev/null +++ b/arch/arm/mach-nuc93x/clock.h @@ -0,0 +1,36 @@ +/* + * linux/arch/arm/mach-nuc93x/clock.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * + * Wan ZongShun <mcuos.com@gmail.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. + */ + +#include <asm/clkdev.h> + +void nuc93x_clk_enable(struct clk *clk, int enable); +void clks_register(struct clk_lookup *clks, size_t num); + +struct clk { + unsigned long cken; + unsigned int enabled; + void (*enable)(struct clk *, int enable); +}; + +#define DEFINE_CLK(_name, _ctrlbit) \ +struct clk clk_##_name = { \ + .enable = nuc93x_clk_enable, \ + .cken = (1 << _ctrlbit), \ + } + +#define DEF_CLKLOOK(_clk, _devname, _conname) \ + { \ + .clk = _clk, \ + .dev_id = _devname, \ + .con_id = _conname, \ + } + diff --git a/arch/arm/mach-nuc93x/cpu.c b/arch/arm/mach-nuc93x/cpu.c new file mode 100644 index 0000000..f6ff5d8 --- /dev/null +++ b/arch/arm/mach-nuc93x/cpu.c @@ -0,0 +1,135 @@ +/* + * linux/arch/arm/mach-nuc93x/cpu.c + * + * Copyright (c) 2009 Nuvoton corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * NUC93x series cpu common support + * + * 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;version 2 of the License. + * + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/serial_8250.h> +#include <linux/delay.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/irq.h> + +#include <mach/hardware.h> +#include <mach/regs-serial.h> +#include <mach/regs-clock.h> +#include <mach/regs-ebi.h> + +#include "cpu.h" +#include "clock.h" + +/* Initial IO mappings */ + +static struct map_desc nuc93x_iodesc[] __initdata = { + IODESC_ENT(IRQ), + IODESC_ENT(GCR), + IODESC_ENT(UART), + IODESC_ENT(TIMER), + IODESC_ENT(EBI), +}; + +/* Initial nuc932 clock declarations. */ +static DEFINE_CLK(audio, 2); +static DEFINE_CLK(sd, 3); +static DEFINE_CLK(jpg, 4); +static DEFINE_CLK(video, 5); +static DEFINE_CLK(vpost, 6); +static DEFINE_CLK(2d, 7); +static DEFINE_CLK(gpu, 8); +static DEFINE_CLK(gdma, 9); +static DEFINE_CLK(adc, 10); +static DEFINE_CLK(uart, 11); +static DEFINE_CLK(spi, 12); +static DEFINE_CLK(pwm, 13); +static DEFINE_CLK(timer, 14); +static DEFINE_CLK(wdt, 15); +static DEFINE_CLK(ac97, 16); +static DEFINE_CLK(i2s, 16); +static DEFINE_CLK(usbck, 17); +static DEFINE_CLK(usb48, 18); +static DEFINE_CLK(usbh, 19); +static DEFINE_CLK(i2c, 20); +static DEFINE_CLK(ext, 0); + +static struct clk_lookup nuc932_clkregs[] = { + DEF_CLKLOOK(&clk_audio, "nuc932-audio", NULL), + DEF_CLKLOOK(&clk_sd, "nuc932-sd", NULL), + DEF_CLKLOOK(&clk_jpg, "nuc932-jpg", "NULL"), + DEF_CLKLOOK(&clk_video, "nuc932-video", "NULL"), + DEF_CLKLOOK(&clk_vpost, "nuc932-vpost", NULL), + DEF_CLKLOOK(&clk_2d, "nuc932-2d", NULL), + DEF_CLKLOOK(&clk_gpu, "nuc932-gpu", NULL), + DEF_CLKLOOK(&clk_gdma, "nuc932-gdma", "NULL"), + DEF_CLKLOOK(&clk_adc, "nuc932-adc", NULL), + DEF_CLKLOOK(&clk_uart, NULL, "uart"), + DEF_CLKLOOK(&clk_spi, "nuc932-spi", NULL), + DEF_CLKLOOK(&clk_pwm, "nuc932-pwm", NULL), + DEF_CLKLOOK(&clk_timer, NULL, "timer"), + DEF_CLKLOOK(&clk_wdt, "nuc932-wdt", NULL), + DEF_CLKLOOK(&clk_ac97, "nuc932-ac97", NULL), + DEF_CLKLOOK(&clk_i2s, "nuc932-i2s", NULL), + DEF_CLKLOOK(&clk_usbck, "nuc932-usbck", NULL), + DEF_CLKLOOK(&clk_usb48, "nuc932-usb48", NULL), + DEF_CLKLOOK(&clk_usbh, "nuc932-usbh", NULL), + DEF_CLKLOOK(&clk_i2c, "nuc932-i2c", NULL), + DEF_CLKLOOK(&clk_ext, NULL, "ext"), +}; + +/* Initial serial platform data */ + +struct plat_serial8250_port nuc93x_uart_data[] = { + NUC93X_8250PORT(UART0), + {}, +}; + +struct platform_device nuc93x_serial_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = nuc93x_uart_data, + }, +}; + +/*Init NUC93x evb io*/ + +void __init nuc93x_map_io(struct map_desc *mach_desc, int mach_size) +{ + unsigned long idcode = 0x0; + + iotable_init(mach_desc, mach_size); + iotable_init(nuc93x_iodesc, ARRAY_SIZE(nuc93x_iodesc)); + + idcode = __raw_readl(NUC93XPDID); + if (idcode == NUC932_CPUID) + printk(KERN_INFO "CPU type 0x%08lx is NUC910\n", idcode); + else + printk(KERN_ERR "CPU type detect error!\n"); + +} + +/*Init NUC93x clock*/ + +void __init nuc93x_init_clocks(void) +{ + clks_register(nuc932_clkregs, ARRAY_SIZE(nuc932_clkregs)); +} + diff --git a/arch/arm/mach-nuc93x/cpu.h b/arch/arm/mach-nuc93x/cpu.h new file mode 100644 index 0000000..9def28197 --- /dev/null +++ b/arch/arm/mach-nuc93x/cpu.h @@ -0,0 +1,48 @@ +/* + * arch/arm/mach-nuc93x/cpu.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Header file for NUC93X CPU support + * + * Wan ZongShun <mcuos.com@gmail.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. + * + */ + +#define IODESC_ENT(y) \ +{ \ + .virtual = (unsigned long)NUC93X_VA_##y, \ + .pfn = __phys_to_pfn(NUC93X_PA_##y), \ + .length = NUC93X_SZ_##y, \ + .type = MT_DEVICE, \ +} + +#define NUC93X_8250PORT(name) \ +{ \ + .membase = name##_BA, \ + .mapbase = name##_PA, \ + .irq = IRQ_##name, \ + .uartclk = 57139200, \ + .regshift = 2, \ + .iotype = UPIO_MEM, \ + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ +} + +/*Cpu identifier register*/ + +#define NUC93XPDID NUC93X_VA_GCR +#define NUC932_CPUID 0x29550091 + +/* extern file from cpu.c */ + +extern void nuc93x_clock_source(struct device *dev, unsigned char *src); +extern void nuc93x_init_clocks(void); +extern void nuc93x_map_io(struct map_desc *mach_desc, int mach_size); +extern void nuc93x_board_init(struct platform_device **device, int size); +extern struct platform_device nuc93x_serial_device; + diff --git a/arch/arm/mach-nuc93x/dev.c b/arch/arm/mach-nuc93x/dev.c new file mode 100644 index 0000000..a962ae9 --- /dev/null +++ b/arch/arm/mach-nuc93x/dev.c @@ -0,0 +1,42 @@ +/* + * linux/arch/arm/mach-nuc93x/dev.c + * + * Copyright (C) 2009 Nuvoton corporation. + * + * Wan ZongShun <mcuos.com@gmail.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;version 2 of the License. + * + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/platform_device.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> +#include <asm/mach-types.h> + +#include "cpu.h" + +/*Here should be your evb resourse,such as LCD*/ + +static struct platform_device *nuc93x_public_dev[] __initdata = { + &nuc93x_serial_device, +}; + +/* Provide adding specific CPU platform devices API */ + +void __init nuc93x_board_init(struct platform_device **device, int size) +{ + platform_add_devices(device, size); + platform_add_devices(nuc93x_public_dev, ARRAY_SIZE(nuc93x_public_dev)); +} + diff --git a/arch/arm/mach-nuc93x/include/mach/clkdev.h b/arch/arm/mach-nuc93x/include/mach/clkdev.h new file mode 100644 index 0000000..04b37a8 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/clkdev.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_CLKDEV_H +#define __ASM_MACH_CLKDEV_H + +#define __clk_get(clk) ({ 1; }) +#define __clk_put(clk) do { } while (0) + +#endif diff --git a/arch/arm/mach-nuc93x/include/mach/entry-macro.S b/arch/arm/mach-nuc93x/include/mach/entry-macro.S new file mode 100644 index 0000000..1352cbd --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/entry-macro.S @@ -0,0 +1,32 @@ +/* + * arch/arm/mach-nuc93x/include/mach/entry-macro.S + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + */ + +#include <mach/hardware.h> +#include <mach/regs-irq.h> + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + + mov \base, #AIC_BA + + ldr \irqnr, [ \base, #AIC_IPER] + ldr \irqnr, [ \base, #AIC_ISNR] + cmp \irqnr, #0 + + .endm + + /* currently don't need an disable_fiq macro */ + + .macro disable_fiq + .endm diff --git a/arch/arm/mach-nuc93x/include/mach/hardware.h b/arch/arm/mach-nuc93x/include/mach/hardware.h new file mode 100644 index 0000000..fb5c6fc --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/hardware.h @@ -0,0 +1,22 @@ +/* + * arch/arm/mach-nuc93x/include/mach/hardware.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.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_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include <asm/sizes.h> +#include <mach/map.h> + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-nuc93x/include/mach/io.h b/arch/arm/mach-nuc93x/include/mach/io.h new file mode 100644 index 0000000..72e5051 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/io.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-nuc93x/include/mach/io.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.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_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +/* + * 1:1 mapping for ioremapped regions. + */ + +#define __mem_pci(a) (a) +#define __io(a) __typesafe_io(a) + +#endif diff --git a/arch/arm/mach-nuc93x/include/mach/irqs.h b/arch/arm/mach-nuc93x/include/mach/irqs.h new file mode 100644 index 0000000..7c4aa71 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/irqs.h @@ -0,0 +1,59 @@ +/* + * arch/arm/mach-nuc93x/include/mach/irqs.h + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_IRQS_H +#define __ASM_ARCH_IRQS_H + +#define NUC93X_IRQ(x) (x) + +/* Main cpu interrupts */ + +#define IRQ_WDT NUC93X_IRQ(1) +#define IRQ_IRQ0 NUC93X_IRQ(2) +#define IRQ_IRQ1 NUC93X_IRQ(3) +#define IRQ_IRQ2 NUC93X_IRQ(4) +#define IRQ_IRQ3 NUC93X_IRQ(5) +#define IRQ_USBH NUC93X_IRQ(6) +#define IRQ_APU NUC93X_IRQ(7) +#define IRQ_VPOST NUC93X_IRQ(8) +#define IRQ_ADC NUC93X_IRQ(9) +#define IRQ_UART0 NUC93X_IRQ(10) +#define IRQ_TIMER0 NUC93X_IRQ(11) +#define IRQ_GPU0 NUC93X_IRQ(12) +#define IRQ_GPU1 NUC93X_IRQ(13) +#define IRQ_GPU2 NUC93X_IRQ(14) +#define IRQ_GPU3 NUC93X_IRQ(15) +#define IRQ_GPU4 NUC93X_IRQ(16) +#define IRQ_VIN NUC93X_IRQ(17) +#define IRQ_USBD NUC93X_IRQ(18) +#define IRQ_VRAMLD NUC93X_IRQ(19) +#define IRQ_GDMA0 NUC93X_IRQ(20) +#define IRQ_GDMA1 NUC93X_IRQ(21) +#define IRQ_SDIO NUC93X_IRQ(22) +#define IRQ_FMI NUC93X_IRQ(22) +#define IRQ_JPEG NUC93X_IRQ(23) +#define IRQ_SPI0 NUC93X_IRQ(24) +#define IRQ_SPI1 NUC93X_IRQ(25) +#define IRQ_RTC NUC93X_IRQ(26) +#define IRQ_PWM0 NUC93X_IRQ(27) +#define IRQ_PWM1 NUC93X_IRQ(28) +#define IRQ_PWM2 NUC93X_IRQ(29) +#define IRQ_PWM3 NUC93X_IRQ(30) +#define IRQ_I2SAC97 NUC93X_IRQ(31) +#define IRQ_CAP0 IRQ_PWM0 +#define IRQ_CAP1 IRQ_PWM1 +#define IRQ_CAP2 IRQ_PWM2 +#define IRQ_CAP3 IRQ_PWM3 +#define NR_IRQS (IRQ_I2SAC97 + 1) + +#endif /* __ASM_ARCH_IRQ_H */ diff --git a/arch/arm/mach-nuc93x/include/mach/map.h b/arch/arm/mach-nuc93x/include/mach/map.h new file mode 100644 index 0000000..fd0b5e8 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/map.h @@ -0,0 +1,139 @@ +/* + * arch/arm/mach-nuc93x/include/mach/map.h + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_MAP_H +#define __ASM_ARCH_MAP_H + +#define MAP_OFFSET (0xfff00000) +#define CLK_OFFSET (0x10) + +#ifndef __ASSEMBLY__ +#define NUC93X_ADDR(x) ((void __iomem *)(0xF0000000 + ((x)&(~MAP_OFFSET)))) +#else +#define NUC93X_ADDR(x) (0xF0000000 + ((x)&(~MAP_OFFSET))) +#endif + + /* + * nuc932 hardware register definition + */ + +#define NUC93X_PA_IRQ (0xFFF83000) +#define NUC93X_PA_GCR (0xFFF00000) +#define NUC93X_PA_EBI (0xFFF01000) +#define NUC93X_PA_UART (0xFFF80000) +#define NUC93X_PA_TIMER (0xFFF81000) +#define NUC93X_PA_GPIO (0xFFF84000) +#define NUC93X_PA_GDMA (0xFFF03000) +#define NUC93X_PA_USBHOST (0xFFF0d000) +#define NUC93X_PA_I2C (0xFFF89000) +#define NUC93X_PA_LCD (0xFFF06000) +#define NUC93X_PA_GE (0xFFF05000) +#define NUC93X_PA_ADC (0xFFF85000) +#define NUC93X_PA_RTC (0xFFF87000) +#define NUC93X_PA_PWM (0xFFF82000) +#define NUC93X_PA_ACTL (0xFFF0a000) +#define NUC93X_PA_USBDEV (0xFFF0C000) +#define NUC93X_PA_JEPEG (0xFFF0e000) +#define NUC93X_PA_CACHE_T (0xFFF60000) +#define NUC93X_PA_VRAM (0xFFF0b000) +#define NUC93X_PA_DMAC (0xFFF09000) +#define NUC93X_PA_I2SM (0xFFF08000) +#define NUC93X_PA_CACHE (0xFFF02000) +#define NUC93X_PA_GPU (0xFFF04000) +#define NUC93X_PA_VIDEOIN (0xFFF07000) +#define NUC93X_PA_SPI0 (0xFFF86000) +#define NUC93X_PA_SPI1 (0xFFF88000) + + /* + * nuc932 virtual address mapping. + * interrupt controller is the first thing we put in, to make + * the assembly code for the irq detection easier + */ + +#define NUC93X_VA_IRQ NUC93X_ADDR(0x00000000) +#define NUC93X_SZ_IRQ SZ_4K + +#define NUC93X_VA_GCR NUC93X_ADDR(NUC93X_PA_IRQ) +#define NUC93X_VA_CLKPWR (NUC93X_VA_GCR+CLK_OFFSET) +#define NUC93X_SZ_GCR SZ_4K + +/* EBI management */ + +#define NUC93X_VA_EBI NUC93X_ADDR(NUC93X_PA_EBI) +#define NUC93X_SZ_EBI SZ_4K + +/* UARTs */ + +#define NUC93X_VA_UART NUC93X_ADDR(NUC93X_PA_UART) +#define NUC93X_SZ_UART SZ_4K + +/* Timers */ + +#define NUC93X_VA_TIMER NUC93X_ADDR(NUC93X_PA_TIMER) +#define NUC93X_SZ_TIMER SZ_4K + +/* GPIO ports */ + +#define NUC93X_VA_GPIO NUC93X_ADDR(NUC93X_PA_GPIO) +#define NUC93X_SZ_GPIO SZ_4K + +/* GDMA control */ + +#define NUC93X_VA_GDMA NUC93X_ADDR(NUC93X_PA_GDMA) +#define NUC93X_SZ_GDMA SZ_4K + +/* I2C hardware controller */ + +#define NUC93X_VA_I2C NUC93X_ADDR(NUC93X_PA_I2C) +#define NUC93X_SZ_I2C SZ_4K + +/* LCD controller*/ + +#define NUC93X_VA_LCD NUC93X_ADDR(NUC93X_PA_LCD) +#define NUC93X_SZ_LCD SZ_4K + +/* 2D controller*/ + +#define NUC93X_VA_GE NUC93X_ADDR(NUC93X_PA_GE) +#define NUC93X_SZ_GE SZ_4K + +/* ADC */ + +#define NUC93X_VA_ADC NUC93X_ADDR(NUC93X_PA_ADC) +#define NUC93X_SZ_ADC SZ_4K + +/* RTC */ + +#define NUC93X_VA_RTC NUC93X_ADDR(NUC93X_PA_RTC) +#define NUC93X_SZ_RTC SZ_4K + +/* Pulse Width Modulation(PWM) Registers */ + +#define NUC93X_VA_PWM NUC93X_ADDR(NUC93X_PA_PWM) +#define NUC93X_SZ_PWM SZ_4K + +/* Audio Controller controller */ + +#define NUC93X_VA_ACTL NUC93X_ADDR(NUC93X_PA_ACTL) +#define NUC93X_SZ_ACTL SZ_4K + +/* USB Device port */ + +#define NUC93X_VA_USBDEV NUC93X_ADDR(NUC93X_PA_USBDEV) +#define NUC93X_SZ_USBDEV SZ_4K + +/* USB host controller*/ +#define NUC93X_VA_USBHOST NUC93X_ADDR(NUC93X_PA_USBHOST) +#define NUC93X_SZ_USBHOST SZ_4K + +#endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-nuc93x/include/mach/memory.h b/arch/arm/mach-nuc93x/include/mach/memory.h new file mode 100644 index 0000000..323ab0d --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/memory.h @@ -0,0 +1,21 @@ +/* + * arch/arm/mach-nuc93x/include/mach/memory.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.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_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#define PHYS_OFFSET UL(0x00000000) + +#endif diff --git a/arch/arm/mach-nuc93x/include/mach/regs-clock.h b/arch/arm/mach-nuc93x/include/mach/regs-clock.h new file mode 100644 index 0000000..5cb2954 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/regs-clock.h @@ -0,0 +1,53 @@ +/* + * arch/arm/mach-nuc93x/include/mach/regs-clock.h + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_REGS_CLOCK_H +#define __ASM_ARCH_REGS_CLOCK_H + +/* Clock Control Registers */ +#define CLK_BA NUC93X_VA_CLKPWR +#define REG_CLKEN (CLK_BA + 0x00) +#define REG_CLKSEL (CLK_BA + 0x04) +#define REG_CLKDIV (CLK_BA + 0x08) +#define REG_PLLCON0 (CLK_BA + 0x0C) +#define REG_PLLCON1 (CLK_BA + 0x10) +#define REG_PMCON (CLK_BA + 0x14) +#define REG_IRQWAKECON (CLK_BA + 0x18) +#define REG_IRQWAKEFLAG (CLK_BA + 0x1C) +#define REG_IPSRST (CLK_BA + 0x20) +#define REG_CLKEN1 (CLK_BA + 0x24) +#define REG_CLKDIV1 (CLK_BA + 0x28) + +/* Define PLL freq setting */ +#define PLL_DISABLE 0x12B63 +#define PLL_66MHZ 0x2B63 +#define PLL_100MHZ 0x4F64 +#define PLL_120MHZ 0x4F63 +#define PLL_166MHZ 0x4124 +#define PLL_200MHZ 0x4F24 + +/* Define AHB:CPUFREQ ratio */ +#define AHB_CPUCLK_1_1 0x00 +#define AHB_CPUCLK_1_2 0x01 +#define AHB_CPUCLK_1_4 0x02 +#define AHB_CPUCLK_1_8 0x03 + +/* Define APB:AHB ratio */ +#define APB_AHB_1_2 0x01 +#define APB_AHB_1_4 0x02 +#define APB_AHB_1_8 0x03 + +/* Define clock skew */ +#define DEFAULTSKEW 0x48 + +#endif /* __ASM_ARCH_REGS_CLOCK_H */ diff --git a/arch/arm/mach-nuc93x/include/mach/regs-ebi.h b/arch/arm/mach-nuc93x/include/mach/regs-ebi.h new file mode 100644 index 0000000..3c72550 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/regs-ebi.h @@ -0,0 +1,33 @@ +/* + * arch/arm/mach-nuc93x/include/mach/regs-ebi.h + * + * Copyright (c) 2009 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.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;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_REGS_EBI_H +#define __ASM_ARCH_REGS_EBI_H + +/* EBI Control Registers */ + +#define EBI_BA NUC93X_VA_EBI +#define REG_EBICON (EBI_BA + 0x00) +#define REG_ROMCON (EBI_BA + 0x04) +#define REG_SDCONF0 (EBI_BA + 0x08) +#define REG_SDCONF1 (EBI_BA + 0x0C) +#define REG_SDTIME0 (EBI_BA + 0x10) +#define REG_SDTIME1 (EBI_BA + 0x14) +#define REG_EXT0CON (EBI_BA + 0x18) +#define REG_EXT1CON (EBI_BA + 0x1C) +#define REG_EXT2CON (EBI_BA + 0x20) +#define REG_EXT3CON (EBI_BA + 0x24) +#define REG_EXT4CON (EBI_BA + 0x28) +#define REG_CKSKEW (EBI_BA + 0x2C) + +#endif /* __ASM_ARCH_REGS_EBI_H */ diff --git a/arch/arm/mach-nuc93x/include/mach/regs-irq.h b/arch/arm/mach-nuc93x/include/mach/regs-irq.h new file mode 100644 index 0000000..2302159 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/regs-irq.h @@ -0,0 +1,42 @@ +/* + * arch/arm/mach-nuc93x/include/mach/regs-irq.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.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_ARCH_REGS_IRQ_H +#define ___ASM_ARCH_REGS_IRQ_H + +/* Advance Interrupt Controller (AIC) Registers */ + +#define AIC_BA NUC93X_VA_IRQ + +#define REG_AIC_IRQSC (AIC_BA+0x80) +#define REG_AIC_GEN (AIC_BA+0x84) +#define REG_AIC_GASR (AIC_BA+0x88) +#define REG_AIC_GSCR (AIC_BA+0x8C) +#define REG_AIC_IRSR (AIC_BA+0x100) +#define REG_AIC_IASR (AIC_BA+0x104) +#define REG_AIC_ISR (AIC_BA+0x108) +#define REG_AIC_IPER (AIC_BA+0x10C) +#define REG_AIC_ISNR (AIC_BA+0x110) +#define REG_AIC_IMR (AIC_BA+0x114) +#define REG_AIC_OISR (AIC_BA+0x118) +#define REG_AIC_MECR (AIC_BA+0x120) +#define REG_AIC_MDCR (AIC_BA+0x124) +#define REG_AIC_SSCR (AIC_BA+0x128) +#define REG_AIC_SCCR (AIC_BA+0x12C) +#define REG_AIC_EOSCR (AIC_BA+0x130) +#define AIC_IPER (0x10C) +#define AIC_ISNR (0x110) + +#endif /* ___ASM_ARCH_REGS_IRQ_H */ diff --git a/arch/arm/mach-nuc93x/include/mach/regs-serial.h b/arch/arm/mach-nuc93x/include/mach/regs-serial.h new file mode 100644 index 0000000..767a047 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/regs-serial.h @@ -0,0 +1,52 @@ +/* + * arch/arm/mach-nuc93x/include/mach/regs-serial.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.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_ARM_REGS_SERIAL_H +#define __ASM_ARM_REGS_SERIAL_H + +#define UART0_BA NUC93X_VA_UART +#define UART1_BA (NUC93X_VA_UART+0x100) + +#define UART0_PA NUC93X_PA_UART +#define UART1_PA (NUC93X_PA_UART+0x100) + + +#ifndef __ASSEMBLY__ + +struct nuc93x_uart_clksrc { + const char *name; + unsigned int divisor; + unsigned int min_baud; + unsigned int max_baud; +}; + +struct nuc93x_uartcfg { + unsigned char hwport; + unsigned char unused; + unsigned short flags; + unsigned long uart_flags; + + unsigned long ucon; + unsigned long ulcon; + unsigned long ufcon; + + struct nuc93x_uart_clksrc *clocks; + unsigned int clocks_size; +}; + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_ARM_REGS_SERIAL_H */ + diff --git a/arch/arm/mach-nuc93x/include/mach/regs-timer.h b/arch/arm/mach-nuc93x/include/mach/regs-timer.h new file mode 100644 index 0000000..394be96 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/regs-timer.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-nuc93x/include/mach/regs-timer.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.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_ARCH_REGS_TIMER_H +#define __ASM_ARCH_REGS_TIMER_H + +/* Timer Registers */ + +#define TMR_BA NUC93X_VA_TIMER +#define REG_TCSR0 (TMR_BA+0x00) +#define REG_TICR0 (TMR_BA+0x08) +#define REG_TDR0 (TMR_BA+0x10) +#define REG_TISR (TMR_BA+0x18) +#define REG_WTCR (TMR_BA+0x1C) + +#endif /* __ASM_ARCH_REGS_TIMER_H */ diff --git a/arch/arm/mach-nuc93x/include/mach/system.h b/arch/arm/mach-nuc93x/include/mach/system.h new file mode 100644 index 0000000..d26bd9a --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/system.h @@ -0,0 +1,28 @@ +/* + * arch/arm/machnuc93x/include/mach/system.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/system.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <asm/proc-fns.h> + +static void arch_idle(void) +{ +} + +static void arch_reset(char mode, const char *cmd) +{ + cpu_reset(0); +} + diff --git a/arch/arm/mach-nuc93x/include/mach/timex.h b/arch/arm/mach-nuc93x/include/mach/timex.h new file mode 100644 index 0000000..0c719cc --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/timex.h @@ -0,0 +1,25 @@ +/* + * arch/arm/mach-nuc93x/include/mach/timex.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/timex.h + * + * 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_ARCH_TIMEX_H +#define __ASM_ARCH_TIMEX_H + +/* CLOCK_TICK_RATE Now, I don't use it. */ + +#define CLOCK_TICK_RATE 27000000 + +#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-nuc93x/include/mach/uncompress.h b/arch/arm/mach-nuc93x/include/mach/uncompress.h new file mode 100644 index 0000000..73082cd --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/uncompress.h @@ -0,0 +1,50 @@ +/* + * arch/arm/mach-nuc93x/include/mach/uncompress.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/uncompress.h + * + * 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_ARCH_UNCOMPRESS_H +#define __ASM_ARCH_UNCOMPRESS_H + +/* Defines for UART registers */ + +#include <mach/regs-serial.h> +#include <mach/map.h> +#include <linux/serial_reg.h> + +#define arch_decomp_wdog() + +#define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) +static u32 * uart_base = (u32 *)UART0_PA; + +static void putc(int ch) +{ + /* Check THRE and TEMT bits before we transmit the character. + */ + while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) + barrier(); + + *uart_base = ch; +} + +static inline void flush(void) +{ +} + +static void arch_decomp_setup(void) +{ +} + +#endif/* __ASM_NUC93X_UNCOMPRESS_H */ diff --git a/arch/arm/mach-nuc93x/include/mach/vmalloc.h b/arch/arm/mach-nuc93x/include/mach/vmalloc.h new file mode 100644 index 0000000..98a21b8 --- /dev/null +++ b/arch/arm/mach-nuc93x/include/mach/vmalloc.h @@ -0,0 +1,23 @@ +/* + * arch/arm/mach-nuc93x/include/mach/vmalloc.h + * + * Copyright (c) 2008 Nuvoton technology corporation + * All rights reserved. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/vmalloc.h + * + * 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_ARCH_VMALLOC_H +#define __ASM_ARCH_VMALLOC_H + +#define VMALLOC_END (0xE0000000) + +#endif /* __ASM_ARCH_VMALLOC_H */ diff --git a/arch/arm/mach-nuc93x/irq.c b/arch/arm/mach-nuc93x/irq.c new file mode 100644 index 0000000..a7a88ea --- /dev/null +++ b/arch/arm/mach-nuc93x/irq.c @@ -0,0 +1,66 @@ +/* + * linux/arch/arm/mach-nuc93x/irq.c + * + * Copyright (c) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.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;version 2 of the License. + * + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/ptrace.h> +#include <linux/sysdev.h> +#include <linux/io.h> + +#include <asm/irq.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <mach/regs-irq.h> + +static void nuc93x_irq_mask(unsigned int irq) +{ + __raw_writel(1 << irq, REG_AIC_MDCR); +} + +/* + * By the w90p910 spec,any irq,only write 1 + * to REG_AIC_EOSCR for ACK + */ + +static void nuc93x_irq_ack(unsigned int irq) +{ + __raw_writel(0x01, REG_AIC_EOSCR); +} + +static void nuc93x_irq_unmask(unsigned int irq) +{ + __raw_writel(1 << irq, REG_AIC_MECR); + +} + +static struct irq_chip nuc93x_irq_chip = { + .ack = nuc93x_irq_ack, + .mask = nuc93x_irq_mask, + .unmask = nuc93x_irq_unmask, +}; + +void __init nuc93x_init_irq(void) +{ + int irqno; + + __raw_writel(0xFFFFFFFE, REG_AIC_MDCR); + + for (irqno = IRQ_WDT; irqno <= NR_IRQS; irqno++) { + set_irq_chip(irqno, &nuc93x_irq_chip); + set_irq_handler(irqno, handle_level_irq); + set_irq_flags(irqno, IRQF_VALID); + } +} diff --git a/arch/arm/mach-nuc93x/mach-nuc932evb.c b/arch/arm/mach-nuc93x/mach-nuc932evb.c new file mode 100644 index 0000000..9f79266 --- /dev/null +++ b/arch/arm/mach-nuc93x/mach-nuc932evb.c @@ -0,0 +1,45 @@ +/* + * linux/arch/arm/mach-w90x900/mach-nuc910evb.c + * + * Based on mach-s3c2410/mach-smdk2410.c by Jonas Dietsche + * + * Copyright (C) 2008 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.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;version 2 of the License. + * + */ + +#include <linux/platform_device.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach-types.h> +#include <mach/map.h> + +#include "nuc932.h" + +static void __init nuc932evb_map_io(void) +{ + nuc932_map_io(); + nuc932_init_clocks(); + nuc932_init_uartclk(); +} + +static void __init nuc932evb_init(void) +{ + nuc932_board_init(); +} + +MACHINE_START(NUC932EVB, "NUC932EVB") + /* Maintainer: Wan ZongShun */ + .phys_io = NUC93X_PA_UART, + .io_pg_offst = (((u32)NUC93X_VA_UART) >> 18) & 0xfffc, + .boot_params = 0, + .map_io = nuc932evb_map_io, + .init_irq = nuc93x_init_irq, + .init_machine = nuc932evb_init, + .timer = &nuc93x_timer, +MACHINE_END diff --git a/arch/arm/mach-nuc93x/nuc932.c b/arch/arm/mach-nuc93x/nuc932.c new file mode 100644 index 0000000..3966ead --- /dev/null +++ b/arch/arm/mach-nuc93x/nuc932.c @@ -0,0 +1,65 @@ +/* + * linux/arch/arm/mach-nuc93x/nuc932.c + * + * Copyright (c) 2009 Nuvoton corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * NUC932 cpu support + * + * 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;version 2 of the License. + * + */ + +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/err.h> + +#include <asm/mach/map.h> +#include <mach/hardware.h> + +#include "cpu.h" +#include "clock.h" + +/* define specific CPU platform device */ + +static struct platform_device *nuc932_dev[] __initdata = { +}; + +/* define specific CPU platform io map */ + +static struct map_desc nuc932evb_iodesc[] __initdata = { +}; + +/*Init NUC932 evb io*/ + +void __init nuc932_map_io(void) +{ + nuc93x_map_io(nuc932evb_iodesc, ARRAY_SIZE(nuc932evb_iodesc)); +} + +/*Init NUC932 clock*/ + +void __init nuc932_init_clocks(void) +{ + nuc93x_init_clocks(); +} + +/*enable NUC932 uart clock*/ + +void __init nuc932_init_uartclk(void) +{ + struct clk *ck_uart = clk_get(NULL, "uart"); + BUG_ON(IS_ERR(ck_uart)); + + clk_enable(ck_uart); +} + +/*Init NUC932 board info*/ + +void __init nuc932_board_init(void) +{ + nuc93x_board_init(nuc932_dev, ARRAY_SIZE(nuc932_dev)); +} diff --git a/arch/arm/mach-nuc93x/nuc932.h b/arch/arm/mach-nuc93x/nuc932.h new file mode 100644 index 0000000..9a66edd --- /dev/null +++ b/arch/arm/mach-nuc93x/nuc932.h @@ -0,0 +1,29 @@ +/* + * arch/arm/mach-nuc93x/nuc932.h + * + * Copyright (c) 2008 Nuvoton corporation + * + * Header file for NUC93x CPU support + * + * Wan ZongShun <mcuos.com@gmail.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. + * + */ + +struct map_desc; +struct sys_timer; + +/* core initialisation functions */ + +extern void nuc93x_init_irq(void); +extern struct sys_timer nuc93x_timer; + +/* extern file from nuc932.c */ + +extern void nuc932_board_init(void); +extern void nuc932_init_clocks(void); +extern void nuc932_map_io(void); +extern void nuc932_init_uartclk(void); diff --git a/arch/arm/mach-nuc93x/time.c b/arch/arm/mach-nuc93x/time.c new file mode 100644 index 0000000..2f90f9d --- /dev/null +++ b/arch/arm/mach-nuc93x/time.c @@ -0,0 +1,100 @@ +/* + * linux/arch/arm/mach-nuc93x/time.c + * + * Copyright (c) 2009 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.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. + * + */ + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/leds.h> + +#include <asm/mach-types.h> +#include <asm/mach/irq.h> +#include <asm/mach/time.h> + +#include <mach/system.h> +#include <mach/map.h> +#include <mach/regs-timer.h> + +#define RESETINT 0x01 +#define PERIOD (0x01 << 27) +#define ONESHOT (0x00 << 27) +#define COUNTEN (0x01 << 30) +#define INTEN (0x01 << 29) + +#define TICKS_PER_SEC 100 +#define PRESCALE 0x63 /* Divider = prescale + 1 */ + +unsigned int timer0_load; + +static unsigned long nuc93x_gettimeoffset(void) +{ + return 0; +} + +/*IRQ handler for the timer*/ + +static irqreturn_t nuc93x_timer_interrupt(int irq, void *dev_id) +{ + timer_tick(); + __raw_writel(0x01, REG_TISR); /* clear TIF0 */ + return IRQ_HANDLED; +} + +static struct irqaction nuc93x_timer_irq = { + .name = "nuc93x Timer Tick", + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .handler = nuc93x_timer_interrupt, +}; + +/*Set up timer reg.*/ + +static void nuc93x_timer_setup(void) +{ + struct clk *ck_ext = clk_get(NULL, "ext"); + struct clk *ck_timer = clk_get(NULL, "timer"); + unsigned int rate, val = 0; + + BUG_ON(IS_ERR(ck_ext) || IS_ERR(ck_timer)); + + clk_enable(ck_timer); + rate = clk_get_rate(ck_ext); + clk_put(ck_ext); + rate = rate / (PRESCALE + 0x01); + + /* set a known state */ + __raw_writel(0x00, REG_TCSR0); + __raw_writel(RESETINT, REG_TISR); + + timer0_load = (rate / TICKS_PER_SEC); + __raw_writel(timer0_load, REG_TICR0); + + val |= (PERIOD | COUNTEN | INTEN | PRESCALE);; + __raw_writel(val, REG_TCSR0); + +} + +static void __init nuc93x_timer_init(void) +{ + nuc93x_timer_setup(); + setup_irq(IRQ_TIMER0, &nuc93x_timer_irq); +} + +struct sys_timer nuc93x_timer = { + .init = nuc93x_timer_init, + .offset = nuc93x_gettimeoffset, + .resume = nuc93x_timer_setup +}; diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S index aedb746..8c74cab 100644 --- a/arch/arm/mach-omap1/include/mach/debug-macro.S +++ b/arch/arm/mach-omap1/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0xff000000 @ physical base address diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 0c6be6b..8ba8fb5 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -28,6 +28,7 @@ #include <plat/control.h> #include <plat/timer-gp.h> #include <asm/hardware/gic.h> +#include <asm/hardware/cache-l2x0.h> static struct platform_device sdp4430_lcd_device = { .name = "sdp4430_lcd", @@ -50,6 +51,59 @@ static struct omap_board_config_kernel sdp4430_config[] __initdata = { { OMAP_TAG_LCD, &sdp4430_lcd_config }, }; +#ifdef CONFIG_CACHE_L2X0 +noinline void omap_smc1(u32 fn, u32 arg) +{ + register u32 r12 asm("r12") = fn; + register u32 r0 asm("r0") = arg; + + /* This is common routine cache secure monitor API used to + * modify the PL310 secure registers. + * r0 contains the value to be modified and "r12" contains + * the monitor API number. It uses few CPU registers + * internally and hence they need be backed up including + * link register "lr". + * Explicitly save r11 and r12 the compiler generated code + * won't save it. + */ + asm volatile( + "stmfd r13!, {r11,r12}\n" + "dsb\n" + "smc\n" + "ldmfd r13!, {r11,r12}\n" + : "+r" (r0), "+r" (r12) + : + : "r4", "r5", "r10", "lr", "cc"); +} +EXPORT_SYMBOL(omap_smc1); + +static int __init omap_l2_cache_init(void) +{ + void __iomem *l2cache_base; + + /* To avoid code running on other OMAPs in + * multi-omap builds + */ + if (!cpu_is_omap44xx()) + return -ENODEV; + + /* Static mapping, never released */ + l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K); + BUG_ON(!l2cache_base); + + /* Enable PL310 L2 Cache controller */ + omap_smc1(0x102, 0x1); + + /* 32KB way size, 16-way associativity, + * parity disabled + */ + l2x0_init(l2cache_base, 0x0e050000, 0xc0000fff); + + return 0; +} +early_initcall(omap_l2_cache_init); +#endif + static void __init gic_init_irq(void) { void __iomem *base; diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S index e9f255d..86979d7 100644 --- a/arch/arm/mach-omap2/include/mach/debug-macro.S +++ b/arch/arm/mach-omap2/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? #ifdef CONFIG_ARCH_OMAP2 diff --git a/arch/arm/mach-orion5x/include/mach/debug-macro.S b/arch/arm/mach-orion5x/include/mach/debug-macro.S index c7f808bf..91e0e39 100644 --- a/arch/arm/mach-orion5x/include/mach/debug-macro.S +++ b/arch/arm/mach-orion5x/include/mach/debug-macro.S @@ -10,7 +10,7 @@ #include <mach/orion5x.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =ORION5X_REGS_PHYS_BASE diff --git a/arch/arm/mach-orion5x/include/mach/vmalloc.h b/arch/arm/mach-orion5x/include/mach/vmalloc.h index 7147a29..06b50ae 100644 --- a/arch/arm/mach-orion5x/include/mach/vmalloc.h +++ b/arch/arm/mach-orion5x/include/mach/vmalloc.h @@ -2,4 +2,4 @@ * arch/arm/mach-orion5x/include/mach/vmalloc.h */ -#define VMALLOC_END 0xfd800000 +#define VMALLOC_END 0xfd800000UL diff --git a/arch/arm/mach-pnx4008/clock.c b/arch/arm/mach-pnx4008/clock.c index 898c0e8..9d1975f 100644 --- a/arch/arm/mach-pnx4008/clock.c +++ b/arch/arm/mach-pnx4008/clock.c @@ -22,8 +22,9 @@ #include <linux/delay.h> #include <linux/io.h> -#include <mach/hardware.h> +#include <asm/clkdev.h> +#include <mach/hardware.h> #include <mach/clock.h> #include "clock.h" @@ -56,18 +57,19 @@ static void propagate_rate(struct clk *clk) } } -static inline void clk_reg_disable(struct clk *clk) +static void clk_reg_disable(struct clk *clk) { if (clk->enable_reg) __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << clk->enable_shift), clk->enable_reg); } -static inline void clk_reg_enable(struct clk *clk) +static int clk_reg_enable(struct clk *clk) { if (clk->enable_reg) __raw_writel(__raw_readl(clk->enable_reg) | (1 << clk->enable_shift), clk->enable_reg); + return 0; } static inline void clk_reg_disable1(struct clk *clk) @@ -636,31 +638,34 @@ static struct clk flash_ck = { static struct clk i2c0_ck = { .name = "i2c0_ck", .parent = &per_ck, - .flags = NEEDS_INITIALIZATION, - .round_rate = &on_off_round_rate, - .set_rate = &on_off_set_rate, + .flags = NEEDS_INITIALIZATION | FIXED_RATE, .enable_shift = 0, .enable_reg = I2CCLKCTRL_REG, + .rate = 13000000, + .enable = clk_reg_enable, + .disable = clk_reg_disable, }; static struct clk i2c1_ck = { .name = "i2c1_ck", .parent = &per_ck, - .flags = NEEDS_INITIALIZATION, - .round_rate = &on_off_round_rate, - .set_rate = &on_off_set_rate, + .flags = NEEDS_INITIALIZATION | FIXED_RATE, .enable_shift = 1, .enable_reg = I2CCLKCTRL_REG, + .rate = 13000000, + .enable = clk_reg_enable, + .disable = clk_reg_disable, }; static struct clk i2c2_ck = { .name = "i2c2_ck", .parent = &per_ck, - .flags = NEEDS_INITIALIZATION, - .round_rate = &on_off_round_rate, - .set_rate = &on_off_set_rate, + .flags = NEEDS_INITIALIZATION | FIXED_RATE, .enable_shift = 2, .enable_reg = USB_OTG_CLKCTRL_REG, + .rate = 13000000, + .enable = clk_reg_enable, + .disable = clk_reg_disable, }; static struct clk spi0_ck = { @@ -738,16 +743,16 @@ static struct clk wdt_ck = { .name = "wdt_ck", .parent = &per_ck, .flags = NEEDS_INITIALIZATION, - .round_rate = &on_off_round_rate, - .set_rate = &on_off_set_rate, .enable_shift = 0, .enable_reg = TIMCLKCTRL_REG, + .enable = clk_reg_enable, + .disable = clk_reg_disable, }; /* These clocks are visible outside this module * and can be initialized */ -static struct clk *onchip_clks[] = { +static struct clk *onchip_clks[] __initdata = { &ck_13MHz, &ck_pll1, &ck_pll4, @@ -777,49 +782,74 @@ static struct clk *onchip_clks[] = { &wdt_ck, }; -static int local_clk_enable(struct clk *clk) -{ - int ret = 0; - - if (!(clk->flags & FIXED_RATE) && !clk->rate && clk->set_rate - && clk->user_rate) - ret = clk->set_rate(clk, clk->user_rate); - return ret; -} +static struct clk_lookup onchip_clkreg[] = { + { .clk = &ck_13MHz, .con_id = "ck_13MHz" }, + { .clk = &ck_pll1, .con_id = "ck_pll1" }, + { .clk = &ck_pll4, .con_id = "ck_pll4" }, + { .clk = &ck_pll5, .con_id = "ck_pll5" }, + { .clk = &ck_pll3, .con_id = "ck_pll3" }, + { .clk = &vfp9_ck, .con_id = "vfp9_ck" }, + { .clk = &m2hclk_ck, .con_id = "m2hclk_ck" }, + { .clk = &hclk_ck, .con_id = "hclk_ck" }, + { .clk = &dma_ck, .con_id = "dma_ck" }, + { .clk = &flash_ck, .con_id = "flash_ck" }, + { .clk = &dum_ck, .con_id = "dum_ck" }, + { .clk = &keyscan_ck, .con_id = "keyscan_ck" }, + { .clk = &pwm1_ck, .con_id = "pwm1_ck" }, + { .clk = &pwm2_ck, .con_id = "pwm2_ck" }, + { .clk = &jpeg_ck, .con_id = "jpeg_ck" }, + { .clk = &ms_ck, .con_id = "ms_ck" }, + { .clk = &touch_ck, .con_id = "touch_ck" }, + { .clk = &i2c0_ck, .dev_id = "pnx-i2c.0" }, + { .clk = &i2c1_ck, .dev_id = "pnx-i2c.1" }, + { .clk = &i2c2_ck, .dev_id = "pnx-i2c.2" }, + { .clk = &spi0_ck, .con_id = "spi0_ck" }, + { .clk = &spi1_ck, .con_id = "spi1_ck" }, + { .clk = &uart3_ck, .con_id = "uart3_ck" }, + { .clk = &uart4_ck, .con_id = "uart4_ck" }, + { .clk = &uart5_ck, .con_id = "uart5_ck" }, + { .clk = &uart6_ck, .con_id = "uart6_ck" }, + { .clk = &wdt_ck, .dev_id = "pnx4008-watchdog" }, +}; static void local_clk_disable(struct clk *clk) { - if (!(clk->flags & FIXED_RATE) && clk->rate && clk->set_rate) - clk->set_rate(clk, 0); -} + if (WARN_ON(clk->usecount == 0)) + return; -static void local_clk_unuse(struct clk *clk) -{ - if (clk->usecount > 0 && !(--clk->usecount)) { - local_clk_disable(clk); + if (!(--clk->usecount)) { + if (clk->disable) + clk->disable(clk); + else if (!(clk->flags & FIXED_RATE) && clk->rate && clk->set_rate) + clk->set_rate(clk, 0); if (clk->parent) - local_clk_unuse(clk->parent); + local_clk_disable(clk->parent); } } -static int local_clk_use(struct clk *clk) +static int local_clk_enable(struct clk *clk) { int ret = 0; - if (clk->usecount++ == 0) { - if (clk->parent) - ret = local_clk_use(clk->parent); - if (ret != 0) { - clk->usecount--; - goto out; + if (clk->usecount == 0) { + if (clk->parent) { + ret = local_clk_enable(clk->parent); + if (ret != 0) + goto out; } - ret = local_clk_enable(clk); + if (clk->enable) + ret = clk->enable(clk); + else if (!(clk->flags & FIXED_RATE) && !clk->rate && clk->set_rate + && clk->user_rate) + ret = clk->set_rate(clk, clk->user_rate); if (ret != 0 && clk->parent) { - local_clk_unuse(clk->parent); - clk->usecount--; + local_clk_disable(clk->parent); + goto out; } + + clk->usecount++; } out: return ret; @@ -866,35 +896,6 @@ out: EXPORT_SYMBOL(clk_set_rate); -struct clk *clk_get(struct device *dev, const char *id) -{ - struct clk *clk = ERR_PTR(-ENOENT); - struct clk **clkp; - - clock_lock(); - for (clkp = onchip_clks; clkp < onchip_clks + ARRAY_SIZE(onchip_clks); - clkp++) { - if (strcmp(id, (*clkp)->name) == 0 - && try_module_get((*clkp)->owner)) { - clk = (*clkp); - break; - } - } - clock_unlock(); - - return clk; -} -EXPORT_SYMBOL(clk_get); - -void clk_put(struct clk *clk) -{ - clock_lock(); - if (clk && !IS_ERR(clk)) - module_put(clk->owner); - clock_unlock(); -} -EXPORT_SYMBOL(clk_put); - unsigned long clk_get_rate(struct clk *clk) { unsigned long ret; @@ -907,10 +908,10 @@ EXPORT_SYMBOL(clk_get_rate); int clk_enable(struct clk *clk) { - int ret = 0; + int ret; clock_lock(); - ret = local_clk_use(clk); + ret = local_clk_enable(clk); clock_unlock(); return ret; } @@ -920,7 +921,7 @@ EXPORT_SYMBOL(clk_enable); void clk_disable(struct clk *clk) { clock_lock(); - local_clk_unuse(clk); + local_clk_disable(clk); clock_unlock(); } @@ -967,18 +968,24 @@ static int __init clk_init(void) for (clkp = onchip_clks; clkp < onchip_clks + ARRAY_SIZE(onchip_clks); clkp++) { - if (((*clkp)->flags & NEEDS_INITIALIZATION) - && ((*clkp)->set_rate)) { - (*clkp)->user_rate = (*clkp)->rate; - local_set_rate((*clkp), (*clkp)->user_rate); - if ((*clkp)->set_parent) - (*clkp)->set_parent((*clkp), (*clkp)->parent); + struct clk *clk = *clkp; + if (clk->flags & NEEDS_INITIALIZATION) { + if (clk->set_rate) { + clk->user_rate = clk->rate; + local_set_rate(clk, clk->user_rate); + if (clk->set_parent) + clk->set_parent(clk, clk->parent); + } + if (clk->enable && clk->usecount) + clk->enable(clk); + if (clk->disable && !clk->usecount) + clk->disable(clk); } pr_debug("%s: clock %s, rate %ld\n", - __func__, (*clkp)->name, (*clkp)->rate); + __func__, clk->name, clk->rate); } - local_clk_use(&ck_pll4); + local_clk_enable(&ck_pll4); /* if ck_13MHz is not used, disable it. */ if (ck_13MHz.usecount == 0) @@ -987,6 +994,8 @@ static int __init clk_init(void) /* Disable autoclocking */ __raw_writeb(0xff, AUTOCLK_CTRL); + clkdev_add_table(onchip_clkreg, ARRAY_SIZE(onchip_clkreg)); + return 0; } diff --git a/arch/arm/mach-pnx4008/clock.h b/arch/arm/mach-pnx4008/clock.h index cd58f37..39720d6 100644 --- a/arch/arm/mach-pnx4008/clock.h +++ b/arch/arm/mach-pnx4008/clock.h @@ -14,8 +14,6 @@ #define __ARCH_ARM_PNX4008_CLOCK_H__ struct clk { - struct list_head node; - struct module *owner; const char *name; struct clk *parent; struct clk *propagate_next; @@ -29,9 +27,11 @@ struct clk { u8 enable_shift1; u32 enable_reg1; u32 parent_switch_reg; - u32(*round_rate) (struct clk *, u32); + u32(*round_rate) (struct clk *, u32); int (*set_rate) (struct clk *, u32); int (*set_parent) (struct clk * clk, struct clk * parent); + int (*enable)(struct clk *); + void (*disable)(struct clk *); }; /* Flags */ diff --git a/arch/arm/mach-pnx4008/i2c.c b/arch/arm/mach-pnx4008/i2c.c index f3fea29..8103f96 100644 --- a/arch/arm/mach-pnx4008/i2c.c +++ b/arch/arm/mach-pnx4008/i2c.c @@ -18,120 +18,24 @@ #include <mach/irqs.h> #include <mach/i2c.h> -static int set_clock_run(struct platform_device *pdev) -{ - struct clk *clk; - char name[10]; - int retval = 0; - - snprintf(name, 10, "i2c%d_ck", pdev->id); - clk = clk_get(&pdev->dev, name); - if (!IS_ERR(clk)) { - clk_set_rate(clk, 1); - clk_put(clk); - } else - retval = -ENOENT; - - return retval; -} - -static int set_clock_stop(struct platform_device *pdev) -{ - struct clk *clk; - char name[10]; - int retval = 0; - - snprintf(name, 10, "i2c%d_ck", pdev->id); - clk = clk_get(&pdev->dev, name); - if (!IS_ERR(clk)) { - clk_set_rate(clk, 0); - clk_put(clk); - } else - retval = -ENOENT; - - return retval; -} - -static int i2c_pnx_suspend(struct platform_device *pdev, pm_message_t state) -{ - int retval = 0; -#ifdef CONFIG_PM - retval = set_clock_run(pdev); -#endif - return retval; -} - -static int i2c_pnx_resume(struct platform_device *pdev) -{ - int retval = 0; -#ifdef CONFIG_PM - retval = set_clock_run(pdev); -#endif - return retval; -} - -static u32 calculate_input_freq(struct platform_device *pdev) -{ - return HCLK_MHZ; -} - - -static struct i2c_pnx_algo_data pnx_algo_data0 = { +static struct i2c_pnx_data i2c0_data = { + .name = I2C_CHIP_NAME "0", .base = PNX4008_I2C1_BASE, .irq = I2C_1_INT, }; -static struct i2c_pnx_algo_data pnx_algo_data1 = { +static struct i2c_pnx_data i2c1_data = { + .name = I2C_CHIP_NAME "1", .base = PNX4008_I2C2_BASE, .irq = I2C_2_INT, }; -static struct i2c_pnx_algo_data pnx_algo_data2 = { +static struct i2c_pnx_data i2c2_data = { + .name = "USB-I2C", .base = (PNX4008_USB_CONFIG_BASE + 0x300), .irq = USB_I2C_INT, }; -static struct i2c_adapter pnx_adapter0 = { - .name = I2C_CHIP_NAME "0", - .algo_data = &pnx_algo_data0, -}; -static struct i2c_adapter pnx_adapter1 = { - .name = I2C_CHIP_NAME "1", - .algo_data = &pnx_algo_data1, -}; - -static struct i2c_adapter pnx_adapter2 = { - .name = "USB-I2C", - .algo_data = &pnx_algo_data2, -}; - -static struct i2c_pnx_data i2c0_data = { - .suspend = i2c_pnx_suspend, - .resume = i2c_pnx_resume, - .calculate_input_freq = calculate_input_freq, - .set_clock_run = set_clock_run, - .set_clock_stop = set_clock_stop, - .adapter = &pnx_adapter0, -}; - -static struct i2c_pnx_data i2c1_data = { - .suspend = i2c_pnx_suspend, - .resume = i2c_pnx_resume, - .calculate_input_freq = calculate_input_freq, - .set_clock_run = set_clock_run, - .set_clock_stop = set_clock_stop, - .adapter = &pnx_adapter1, -}; - -static struct i2c_pnx_data i2c2_data = { - .suspend = i2c_pnx_suspend, - .resume = i2c_pnx_resume, - .calculate_input_freq = calculate_input_freq, - .set_clock_run = set_clock_run, - .set_clock_stop = set_clock_stop, - .adapter = &pnx_adapter2, -}; - static struct platform_device i2c0_device = { .name = "pnx-i2c", .id = 0, diff --git a/arch/arm/mach-pnx4008/include/mach/clkdev.h b/arch/arm/mach-pnx4008/include/mach/clkdev.h new file mode 100644 index 0000000..04b37a8 --- /dev/null +++ b/arch/arm/mach-pnx4008/include/mach/clkdev.h @@ -0,0 +1,7 @@ +#ifndef __ASM_MACH_CLKDEV_H +#define __ASM_MACH_CLKDEV_H + +#define __clk_get(clk) ({ 1; }) +#define __clk_put(clk) do { } while (0) + +#endif diff --git a/arch/arm/mach-pnx4008/include/mach/debug-macro.S b/arch/arm/mach-pnx4008/include/mach/debug-macro.S index 6d1407f..6ca8bd3 100644 --- a/arch/arm/mach-pnx4008/include/mach/debug-macro.S +++ b/arch/arm/mach-pnx4008/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? mov \rx, #0x00090000 diff --git a/arch/arm/mach-pnx4008/include/mach/timex.h b/arch/arm/mach-pnx4008/include/mach/timex.h index 5ff0196..b383c7d 100644 --- a/arch/arm/mach-pnx4008/include/mach/timex.h +++ b/arch/arm/mach-pnx4008/include/mach/timex.h @@ -14,60 +14,6 @@ #ifndef __PNX4008_TIMEX_H #define __PNX4008_TIMEX_H -#include <linux/io.h> -#include <mach/hardware.h> - #define CLOCK_TICK_RATE 1000000 -#define TICKS2USECS(x) (x) - -/* MilliSecond Timer - Chapter 21 Page 202 */ - -#define MSTIM_INT IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x0)) -#define MSTIM_CTRL IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x4)) -#define MSTIM_COUNTER IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x8)) -#define MSTIM_MCTRL IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x14)) -#define MSTIM_MATCH0 IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x18)) -#define MSTIM_MATCH1 IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x1c)) - -/* High Speed Timer - Chpater 22, Page 205 */ - -#define HSTIM_INT IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x0)) -#define HSTIM_CTRL IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x4)) -#define HSTIM_COUNTER IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x8)) -#define HSTIM_PMATCH IO_ADDRESS((PNX4008_HSTIMER_BASE + 0xC)) -#define HSTIM_PCOUNT IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x10)) -#define HSTIM_MCTRL IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x14)) -#define HSTIM_MATCH0 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x18)) -#define HSTIM_MATCH1 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x1c)) -#define HSTIM_MATCH2 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x20)) -#define HSTIM_CCR IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x28)) -#define HSTIM_CR0 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x2C)) -#define HSTIM_CR1 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x30)) - -/* IMPORTANT: both timers are UPCOUNTING */ - -/* xSTIM_MCTRL bit definitions */ -#define MR0_INT 1 -#define RESET_COUNT0 (1<<1) -#define STOP_COUNT0 (1<<2) -#define MR1_INT (1<<3) -#define RESET_COUNT1 (1<<4) -#define STOP_COUNT1 (1<<5) -#define MR2_INT (1<<6) -#define RESET_COUNT2 (1<<7) -#define STOP_COUNT2 (1<<8) - -/* xSTIM_CTRL bit definitions */ -#define COUNT_ENAB 1 -#define RESET_COUNT (1<<1) -#define DEBUG_EN (1<<2) - -/* xSTIM_INT bit definitions */ -#define MATCH0_INT 1 -#define MATCH1_INT (1<<1) -#define MATCH2_INT (1<<2) -#define RTC_TICK0 (1<<4) -#define RTC_TICK1 (1<<5) - #endif diff --git a/arch/arm/mach-pnx4008/pm.c b/arch/arm/mach-pnx4008/pm.c index b3d8d53..1f05853 100644 --- a/arch/arm/mach-pnx4008/pm.c +++ b/arch/arm/mach-pnx4008/pm.c @@ -21,6 +21,8 @@ #include <linux/io.h> #include <asm/cacheflush.h> + +#include <mach/hardware.h> #include <mach/pm.h> #include <mach/clock.h> diff --git a/arch/arm/mach-pnx4008/time.c b/arch/arm/mach-pnx4008/time.c index fc0ba18..0c8aad4 100644 --- a/arch/arm/mach-pnx4008/time.c +++ b/arch/arm/mach-pnx4008/time.c @@ -30,6 +30,8 @@ #include <asm/mach/time.h> #include <asm/errno.h> +#include "time.h" + /*! Note: all timers are UPCOUNTING */ /*! diff --git a/arch/arm/mach-pnx4008/time.h b/arch/arm/mach-pnx4008/time.h new file mode 100644 index 0000000..75e88c5 --- /dev/null +++ b/arch/arm/mach-pnx4008/time.h @@ -0,0 +1,70 @@ +/* + * arch/arm/mach-pnx4008/include/mach/timex.h + * + * PNX4008 timers header file + * + * Author: Dmitry Chigirev <source@mvista.com> + * + * 2005 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef PNX_TIME_H +#define PNX_TIME_H + +#include <linux/io.h> +#include <mach/hardware.h> + +#define TICKS2USECS(x) (x) + +/* MilliSecond Timer - Chapter 21 Page 202 */ + +#define MSTIM_INT IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x0)) +#define MSTIM_CTRL IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x4)) +#define MSTIM_COUNTER IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x8)) +#define MSTIM_MCTRL IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x14)) +#define MSTIM_MATCH0 IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x18)) +#define MSTIM_MATCH1 IO_ADDRESS((PNX4008_MSTIMER_BASE + 0x1c)) + +/* High Speed Timer - Chpater 22, Page 205 */ + +#define HSTIM_INT IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x0)) +#define HSTIM_CTRL IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x4)) +#define HSTIM_COUNTER IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x8)) +#define HSTIM_PMATCH IO_ADDRESS((PNX4008_HSTIMER_BASE + 0xC)) +#define HSTIM_PCOUNT IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x10)) +#define HSTIM_MCTRL IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x14)) +#define HSTIM_MATCH0 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x18)) +#define HSTIM_MATCH1 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x1c)) +#define HSTIM_MATCH2 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x20)) +#define HSTIM_CCR IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x28)) +#define HSTIM_CR0 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x2C)) +#define HSTIM_CR1 IO_ADDRESS((PNX4008_HSTIMER_BASE + 0x30)) + +/* IMPORTANT: both timers are UPCOUNTING */ + +/* xSTIM_MCTRL bit definitions */ +#define MR0_INT 1 +#define RESET_COUNT0 (1<<1) +#define STOP_COUNT0 (1<<2) +#define MR1_INT (1<<3) +#define RESET_COUNT1 (1<<4) +#define STOP_COUNT1 (1<<5) +#define MR2_INT (1<<6) +#define RESET_COUNT2 (1<<7) +#define STOP_COUNT2 (1<<8) + +/* xSTIM_CTRL bit definitions */ +#define COUNT_ENAB 1 +#define RESET_COUNT (1<<1) +#define DEBUG_EN (1<<2) + +/* xSTIM_INT bit definitions */ +#define MATCH0_INT 1 +#define MATCH1_INT (1<<1) +#define MATCH2_INT (1<<2) +#define RTC_TICK0 (1<<4) +#define RTC_TICK1 (1<<5) + +#endif diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c index 49ae382..abba008 100644 --- a/arch/arm/mach-pxa/clock.c +++ b/arch/arm/mach-pxa/clock.c @@ -78,11 +78,3 @@ const struct clkops clk_cken_ops = { .enable = clk_cken_enable, .disable = clk_cken_disable, }; - -void clks_register(struct clk_lookup *clks, size_t num) -{ - int i; - - for (i = 0; i < num; i++) - clkdev_add(&clks[i]); -} diff --git a/arch/arm/mach-pxa/clock.h b/arch/arm/mach-pxa/clock.h index 978a366..d848874 100644 --- a/arch/arm/mach-pxa/clock.h +++ b/arch/arm/mach-pxa/clock.h @@ -67,7 +67,3 @@ extern void clk_pxa3xx_cken_enable(struct clk *); extern void clk_pxa3xx_cken_disable(struct clk *); #endif -void clks_register(struct clk_lookup *clks, size_t num); -int clk_add_alias(const char *alias, const char *alias_name, char *id, - struct device *dev); - diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c index 91417f0..96ed130 100644 --- a/arch/arm/mach-pxa/eseries.c +++ b/arch/arm/mach-pxa/eseries.c @@ -128,6 +128,6 @@ static struct clk_lookup eseries_clkregs[] = { void eseries_register_clks(void) { - clks_register(eseries_clkregs, ARRAY_SIZE(eseries_clkregs)); + clkdev_add_table(eseries_clkregs, ARRAY_SIZE(eseries_clkregs)); } diff --git a/arch/arm/mach-pxa/include/mach/debug-macro.S b/arch/arm/mach-pxa/include/mach/debug-macro.S index 55d6a17..01cf813 100644 --- a/arch/arm/mach-pxa/include/mach/debug-macro.S +++ b/arch/arm/mach-pxa/include/mach/debug-macro.S @@ -13,7 +13,7 @@ #include "hardware.h" - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x40000000 @ physical diff --git a/arch/arm/mach-pxa/include/mach/vmalloc.h b/arch/arm/mach-pxa/include/mach/vmalloc.h index e90c5ee..bfecfbf 100644 --- a/arch/arm/mach-pxa/include/mach/vmalloc.h +++ b/arch/arm/mach-pxa/include/mach/vmalloc.h @@ -8,4 +8,4 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#define VMALLOC_END (0xe8000000) +#define VMALLOC_END (0xe8000000UL) diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index 2c1b0b7..0b9ad30 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -349,7 +349,7 @@ static int __init pxa25x_init(void) reset_status = RCSR; - clks_register(pxa25x_clkregs, ARRAY_SIZE(pxa25x_clkregs)); + clkdev_add_table(pxa25x_clkregs, ARRAY_SIZE(pxa25x_clkregs)); if ((ret = pxa_init_dma(IRQ_DMA, 16))) return ret; @@ -370,7 +370,7 @@ static int __init pxa25x_init(void) /* Only add HWUART for PXA255/26x; PXA210/250 do not have it. */ if (cpu_is_pxa255()) - clks_register(&pxa25x_hwuart_clkreg, 1); + clkdev_add(&pxa25x_hwuart_clkreg); return ret; } diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 6a0b731..d783123 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -392,7 +392,7 @@ static int __init pxa27x_init(void) reset_status = RCSR; - clks_register(pxa27x_clkregs, ARRAY_SIZE(pxa27x_clkregs)); + clkdev_add_table(pxa27x_clkregs, ARRAY_SIZE(pxa27x_clkregs)); if ((ret = pxa_init_dma(IRQ_DMA, 32))) return ret; diff --git a/arch/arm/mach-pxa/pxa300.c b/arch/arm/mach-pxa/pxa300.c index f4af6e2b..40bb165 100644 --- a/arch/arm/mach-pxa/pxa300.c +++ b/arch/arm/mach-pxa/pxa300.c @@ -102,12 +102,12 @@ static int __init pxa300_init(void) if (cpu_is_pxa300() || cpu_is_pxa310()) { mfp_init_base(io_p2v(MFPR_BASE)); mfp_init_addr(pxa300_mfp_addr_map); - clks_register(ARRAY_AND_SIZE(common_clkregs)); + clkdev_add_table(ARRAY_AND_SIZE(common_clkregs)); } if (cpu_is_pxa310()) { mfp_init_addr(pxa310_mfp_addr_map); - clks_register(ARRAY_AND_SIZE(pxa310_clkregs)); + clkdev_add_table(ARRAY_AND_SIZE(pxa310_clkregs)); } return 0; diff --git a/arch/arm/mach-pxa/pxa320.c b/arch/arm/mach-pxa/pxa320.c index c7373e7..8d614ec 100644 --- a/arch/arm/mach-pxa/pxa320.c +++ b/arch/arm/mach-pxa/pxa320.c @@ -90,7 +90,7 @@ static int __init pxa320_init(void) if (cpu_is_pxa320()) { mfp_init_base(io_p2v(MFPR_BASE)); mfp_init_addr(pxa320_mfp_addr_map); - clks_register(ARRAY_AND_SIZE(pxa320_clkregs)); + clkdev_add_table(ARRAY_AND_SIZE(pxa320_clkregs)); } return 0; diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index fcb0721..4d7c03e 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -634,7 +634,7 @@ static int __init pxa3xx_init(void) */ ASCR &= ~(ASCR_RDH | ASCR_D1S | ASCR_D2S | ASCR_D3S); - clks_register(pxa3xx_clkregs, ARRAY_SIZE(pxa3xx_clkregs)); + clkdev_add_table(pxa3xx_clkregs, ARRAY_SIZE(pxa3xx_clkregs)); if ((ret = pxa_init_dma(IRQ_DMA, 32))) return ret; diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 9f29343..90bd4ef 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -346,10 +346,7 @@ static struct clk_lookup lookups[] = { static int __init clk_init(void) { - int i; - - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); return 0; } arch_initcall(clk_init); diff --git a/arch/arm/mach-realview/include/mach/debug-macro.S b/arch/arm/mach-realview/include/mach/debug-macro.S index 932d8af..8662228 100644 --- a/arch/arm/mach-realview/include/mach/debug-macro.S +++ b/arch/arm/mach-realview/include/mach/debug-macro.S @@ -33,7 +33,7 @@ #error "Unknown RealView platform" #endif - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x10000000 diff --git a/arch/arm/mach-realview/include/mach/vmalloc.h b/arch/arm/mach-realview/include/mach/vmalloc.h index fe0de1b..a2a4c68 100644 --- a/arch/arm/mach-realview/include/mach/vmalloc.h +++ b/arch/arm/mach-realview/include/mach/vmalloc.h @@ -18,4 +18,4 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#define VMALLOC_END 0xf8000000 +#define VMALLOC_END 0xf8000000UL diff --git a/arch/arm/mach-rpc/include/mach/debug-macro.S b/arch/arm/mach-rpc/include/mach/debug-macro.S index b2a939ff..6fc8d66 100644 --- a/arch/arm/mach-rpc/include/mach/debug-macro.S +++ b/arch/arm/mach-rpc/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x03000000 diff --git a/arch/arm/mach-s3c2410/include/mach/debug-macro.S b/arch/arm/mach-s3c2410/include/mach/debug-macro.S index 4c29a89..0eef78b 100644 --- a/arch/arm/mach-s3c2410/include/mach/debug-macro.S +++ b/arch/arm/mach-s3c2410/include/mach/debug-macro.S @@ -19,7 +19,7 @@ #define S3C2410_UART1_OFF (0x4000) #define SHIFT_2440TXF (14-9) - .macro addruart, rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 ldreq \rx, = S3C24XX_PA_UART diff --git a/arch/arm/mach-s3c24a0/include/mach/debug-macro.S b/arch/arm/mach-s3c24a0/include/mach/debug-macro.S index f0ef0ab..239476b 100644 --- a/arch/arm/mach-s3c24a0/include/mach/debug-macro.S +++ b/arch/arm/mach-s3c24a0/include/mach/debug-macro.S @@ -10,7 +10,7 @@ #include <mach/map.h> #include <plat/regs-serial.h> - .macro addruart, rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 ldreq \rx, = S3C24XX_PA_UART diff --git a/arch/arm/mach-s3c24a0/include/mach/vmalloc.h b/arch/arm/mach-s3c24a0/include/mach/vmalloc.h index 4d4fe48..9146568 100644 --- a/arch/arm/mach-s3c24a0/include/mach/vmalloc.h +++ b/arch/arm/mach-s3c24a0/include/mach/vmalloc.h @@ -12,6 +12,6 @@ #ifndef __ASM_ARCH_VMALLOC_H #define __ASM_ARCH_VMALLOC_H -#define VMALLOC_END (0xE0000000) +#define VMALLOC_END (0xe0000000UL) #endif /* __ASM_ARCH_VMALLOC_H */ diff --git a/arch/arm/mach-s3c6400/include/mach/debug-macro.S b/arch/arm/mach-s3c6400/include/mach/debug-macro.S index b18ac52..5c88875 100644 --- a/arch/arm/mach-s3c6400/include/mach/debug-macro.S +++ b/arch/arm/mach-s3c6400/include/mach/debug-macro.S @@ -21,7 +21,7 @@ * aligned and add in the offset when we load the value here. */ - .macro addruart, rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 ldreq \rx, = S3C_PA_UART diff --git a/arch/arm/mach-s5pc100/include/mach/debug-macro.S b/arch/arm/mach-s5pc100/include/mach/debug-macro.S index 9d142cc..e181f57 100644 --- a/arch/arm/mach-s5pc100/include/mach/debug-macro.S +++ b/arch/arm/mach-s5pc100/include/mach/debug-macro.S @@ -22,7 +22,7 @@ * aligned and add in the offset when we load the value here. */ - .macro addruart, rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 ldreq \rx, = S3C_PA_UART diff --git a/arch/arm/mach-sa1100/include/mach/debug-macro.S b/arch/arm/mach-sa1100/include/mach/debug-macro.S index 1f0634d..336adcc 100644 --- a/arch/arm/mach-sa1100/include/mach/debug-macro.S +++ b/arch/arm/mach-sa1100/include/mach/debug-macro.S @@ -12,7 +12,7 @@ */ #include <mach/hardware.h> - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x80000000 @ physical base address diff --git a/arch/arm/mach-sa1100/include/mach/vmalloc.h b/arch/arm/mach-sa1100/include/mach/vmalloc.h index ec8fdc5..b3d0023 100644 --- a/arch/arm/mach-sa1100/include/mach/vmalloc.h +++ b/arch/arm/mach-sa1100/include/mach/vmalloc.h @@ -1,4 +1,4 @@ /* * arch/arm/mach-sa1100/include/mach/vmalloc.h */ -#define VMALLOC_END (0xe8000000) +#define VMALLOC_END (0xe8000000UL) diff --git a/arch/arm/mach-shark/include/mach/debug-macro.S b/arch/arm/mach-shark/include/mach/debug-macro.S index f97a762..50f071c 100644 --- a/arch/arm/mach-shark/include/mach/debug-macro.S +++ b/arch/arm/mach-shark/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * */ - .macro addruart,rx + .macro addruart, rx, tmp mov \rx, #0xe0000000 orr \rx, \rx, #0x000003f8 .endm diff --git a/arch/arm/mach-u300/clock.c b/arch/arm/mach-u300/clock.c index 111f7ea..5af71d5 100644 --- a/arch/arm/mach-u300/clock.c +++ b/arch/arm/mach-u300/clock.c @@ -610,34 +610,34 @@ EXPORT_SYMBOL(clk_get_rate); static unsigned long clk_round_rate_mclk(struct clk *clk, unsigned long rate) { - if (rate >= 18900000) + if (rate <= 18900000) return 18900000; - if (rate >= 20800000) + if (rate <= 20800000) return 20800000; - if (rate >= 23100000) + if (rate <= 23100000) return 23100000; - if (rate >= 26000000) + if (rate <= 26000000) return 26000000; - if (rate >= 29700000) + if (rate <= 29700000) return 29700000; - if (rate >= 34700000) + if (rate <= 34700000) return 34700000; - if (rate >= 41600000) + if (rate <= 41600000) return 41600000; - if (rate >= 52000000) + if (rate <= 52000000) return 52000000; return -EINVAL; } static unsigned long clk_round_rate_cpuclk(struct clk *clk, unsigned long rate) { - if (rate >= 13000000) + if (rate <= 13000000) return 13000000; - if (rate >= 52000000) + if (rate <= 52000000) return 52000000; - if (rate >= 104000000) + if (rate <= 104000000) return 104000000; - if (rate >= 208000000) + if (rate <= 208000000) return 208000000; return -EINVAL; } @@ -1276,11 +1276,8 @@ static struct clk_lookup lookups[] = { static void __init clk_register(void) { - int i; - /* Register the lookups */ - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); } /* diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index 653e25b..01b5031 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -3,7 +3,7 @@ * arch/arm/mach-u300/core.c * * - * Copyright (C) 2007-2009 ST-Ericsson AB + * Copyright (C) 2007-2010 ST-Ericsson AB * License terms: GNU General Public License (GPL) version 2 * Core platform support, IRQ handling and device definitions. * Author: Linus Walleij <linus.walleij@stericsson.com> @@ -19,6 +19,7 @@ #include <linux/amba/bus.h> #include <linux/platform_device.h> #include <linux/gpio.h> +#include <mach/coh901318.h> #include <asm/types.h> #include <asm/setup.h> @@ -29,6 +30,7 @@ #include <mach/hardware.h> #include <mach/syscon.h> +#include <mach/dma_channels.h> #include "clock.h" #include "mmc.h" @@ -372,8 +374,1019 @@ static struct resource ave_resources[] = { }, }; +static struct resource dma_resource[] = { + { + .start = U300_DMAC_BASE, + .end = U300_DMAC_BASE + PAGE_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_U300_DMA, + .end = IRQ_U300_DMA, + .flags = IORESOURCE_IRQ, + } +}; + +#ifdef CONFIG_MACH_U300_BS335 +/* points out all dma slave channels. + * Syntax is [A1, B1, A2, B2, .... ,-1,-1] + * Select all channels from A to B, end of list is marked with -1,-1 + */ +static int dma_slave_channels[] = { + U300_DMA_MSL_TX_0, U300_DMA_SPI_RX, + U300_DMA_UART1_TX, U300_DMA_UART1_RX, -1, -1}; + +/* points out all dma memcpy channels. */ +static int dma_memcpy_channels[] = { + U300_DMA_GENERAL_PURPOSE_0, U300_DMA_GENERAL_PURPOSE_8, -1, -1}; + +#else /* CONFIG_MACH_U300_BS335 */ + +static int dma_slave_channels[] = {U300_DMA_MSL_TX_0, U300_DMA_SPI_RX, -1, -1}; +static int dma_memcpy_channels[] = { + U300_DMA_GENERAL_PURPOSE_0, U300_DMA_GENERAL_PURPOSE_10, -1, -1}; + +#endif + +/** register dma for memory access + * + * active 1 means dma intends to access memory + * 0 means dma wont access memory + */ +static void coh901318_access_memory_state(struct device *dev, bool active) +{ +} + +#define flags_memcpy_config (COH901318_CX_CFG_CH_DISABLE | \ + COH901318_CX_CFG_RM_MEMORY_TO_MEMORY | \ + COH901318_CX_CFG_LCR_DISABLE | \ + COH901318_CX_CFG_TC_IRQ_ENABLE | \ + COH901318_CX_CFG_BE_IRQ_ENABLE) +#define flags_memcpy_lli_chained (COH901318_CX_CTRL_TC_ENABLE | \ + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | \ + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_MASTER_MODE_M1RW | \ + COH901318_CX_CTRL_TCP_DISABLE | \ + COH901318_CX_CTRL_TC_IRQ_DISABLE | \ + COH901318_CX_CTRL_HSP_DISABLE | \ + COH901318_CX_CTRL_HSS_DISABLE | \ + COH901318_CX_CTRL_DDMA_LEGACY | \ + COH901318_CX_CTRL_PRDD_SOURCE) +#define flags_memcpy_lli (COH901318_CX_CTRL_TC_ENABLE | \ + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | \ + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_MASTER_MODE_M1RW | \ + COH901318_CX_CTRL_TCP_DISABLE | \ + COH901318_CX_CTRL_TC_IRQ_DISABLE | \ + COH901318_CX_CTRL_HSP_DISABLE | \ + COH901318_CX_CTRL_HSS_DISABLE | \ + COH901318_CX_CTRL_DDMA_LEGACY | \ + COH901318_CX_CTRL_PRDD_SOURCE) +#define flags_memcpy_lli_last (COH901318_CX_CTRL_TC_ENABLE | \ + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | \ + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | \ + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | \ + COH901318_CX_CTRL_MASTER_MODE_M1RW | \ + COH901318_CX_CTRL_TCP_DISABLE | \ + COH901318_CX_CTRL_TC_IRQ_ENABLE | \ + COH901318_CX_CTRL_HSP_DISABLE | \ + COH901318_CX_CTRL_HSS_DISABLE | \ + COH901318_CX_CTRL_DDMA_LEGACY | \ + COH901318_CX_CTRL_PRDD_SOURCE) + +const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = { + { + .number = U300_DMA_MSL_TX_0, + .name = "MSL TX 0", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 0 * 0x40 + 0x20, + }, + { + .number = U300_DMA_MSL_TX_1, + .name = "MSL TX 1", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 1 * 0x40 + 0x20, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_MSL_TX_2, + .name = "MSL TX 2", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 2 * 0x40 + 0x20, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .desc_nbr_max = 10, + }, + { + .number = U300_DMA_MSL_TX_3, + .name = "MSL TX 3", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 3 * 0x40 + 0x20, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_MSL_TX_4, + .name = "MSL TX 4", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 4 * 0x40 + 0x20, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1R_M2W | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_MSL_TX_5, + .name = "MSL TX 5", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 5 * 0x40 + 0x20, + }, + { + .number = U300_DMA_MSL_TX_6, + .name = "MSL TX 6", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 6 * 0x40 + 0x20, + }, + { + .number = U300_DMA_MSL_RX_0, + .name = "MSL RX 0", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 0 * 0x40 + 0x220, + }, + { + .number = U300_DMA_MSL_RX_1, + .name = "MSL RX 1", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 1 * 0x40 + 0x220, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_2, + .name = "MSL RX 2", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 2 * 0x40 + 0x220, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_3, + .name = "MSL RX 3", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 3 * 0x40 + 0x220, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_4, + .name = "MSL RX 4", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 4 * 0x40 + 0x220, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_5, + .name = "MSL RX 5", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 5 * 0x40 + 0x220, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M2R_M1W | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_DEMAND_DMA1 | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_MSL_RX_6, + .name = "MSL RX 6", + .priority_high = 0, + .dev_addr = U300_MSL_BASE + 6 * 0x40 + 0x220, + }, + { + .number = U300_DMA_MMCSD_RX_TX, + .name = "MMCSD RX TX", + .priority_high = 0, + .dev_addr = U300_MMCSD_BASE + 0x080, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_32_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY, + + }, + { + .number = U300_DMA_MSPRO_TX, + .name = "MSPRO TX", + .priority_high = 0, + }, + { + .number = U300_DMA_MSPRO_RX, + .name = "MSPRO RX", + .priority_high = 0, + }, + { + .number = U300_DMA_UART0_TX, + .name = "UART0 TX", + .priority_high = 0, + }, + { + .number = U300_DMA_UART0_RX, + .name = "UART0 RX", + .priority_high = 0, + }, + { + .number = U300_DMA_APEX_TX, + .name = "APEX TX", + .priority_high = 0, + }, + { + .number = U300_DMA_APEX_RX, + .name = "APEX RX", + .priority_high = 0, + }, + { + .number = U300_DMA_PCM_I2S0_TX, + .name = "PCM I2S0 TX", + .priority_high = 1, + .dev_addr = U300_PCM_I2S0_BASE + 0x14, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_PCM_I2S0_RX, + .name = "PCM I2S0 RX", + .priority_high = 1, + .dev_addr = U300_PCM_I2S0_BASE + 0x10, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_PCM_I2S1_TX, + .name = "PCM I2S1 TX", + .priority_high = 1, + .dev_addr = U300_PCM_I2S1_BASE + 0x14, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_DISABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_SOURCE, + }, + { + .number = U300_DMA_PCM_I2S1_RX, + .name = "PCM I2S1 RX", + .priority_high = 1, + .dev_addr = U300_PCM_I2S1_BASE + 0x10, + .param.config = COH901318_CX_CFG_CH_DISABLE | + COH901318_CX_CFG_LCR_DISABLE | + COH901318_CX_CFG_TC_IRQ_ENABLE | + COH901318_CX_CFG_BE_IRQ_ENABLE, + .param.ctrl_lli_chained = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_DISABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_DISABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + .param.ctrl_lli_last = 0 | + COH901318_CX_CTRL_TC_ENABLE | + COH901318_CX_CTRL_BURST_COUNT_16_BYTES | + COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE | + COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | + COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | + COH901318_CX_CTRL_MASTER_MODE_M1RW | + COH901318_CX_CTRL_TCP_ENABLE | + COH901318_CX_CTRL_TC_IRQ_ENABLE | + COH901318_CX_CTRL_HSP_ENABLE | + COH901318_CX_CTRL_HSS_DISABLE | + COH901318_CX_CTRL_DDMA_LEGACY | + COH901318_CX_CTRL_PRDD_DEST, + }, + { + .number = U300_DMA_XGAM_CDI, + .name = "XGAM CDI", + .priority_high = 0, + }, + { + .number = U300_DMA_XGAM_PDI, + .name = "XGAM PDI", + .priority_high = 0, + }, + { + .number = U300_DMA_SPI_TX, + .name = "SPI TX", + .priority_high = 0, + }, + { + .number = U300_DMA_SPI_RX, + .name = "SPI RX", + .priority_high = 0, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_0, + .name = "GENERAL 00", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_1, + .name = "GENERAL 01", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_2, + .name = "GENERAL 02", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_3, + .name = "GENERAL 03", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_4, + .name = "GENERAL 04", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_5, + .name = "GENERAL 05", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_6, + .name = "GENERAL 06", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_7, + .name = "GENERAL 07", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_8, + .name = "GENERAL 08", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, +#ifdef CONFIG_MACH_U300_BS335 + { + .number = U300_DMA_UART1_TX, + .name = "UART1 TX", + .priority_high = 0, + }, + { + .number = U300_DMA_UART1_RX, + .name = "UART1 RX", + .priority_high = 0, + } +#else + { + .number = U300_DMA_GENERAL_PURPOSE_9, + .name = "GENERAL 09", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + }, + { + .number = U300_DMA_GENERAL_PURPOSE_10, + .name = "GENERAL 10", + .priority_high = 0, + + .param.config = flags_memcpy_config, + .param.ctrl_lli_chained = flags_memcpy_lli_chained, + .param.ctrl_lli = flags_memcpy_lli, + .param.ctrl_lli_last = flags_memcpy_lli_last, + } +#endif +}; + + +static struct coh901318_platform coh901318_platform = { + .chans_slave = dma_slave_channels, + .chans_memcpy = dma_memcpy_channels, + .access_memory_state = coh901318_access_memory_state, + .chan_conf = chan_config, + .max_channels = U300_DMA_CHANNELS, +}; + static struct platform_device wdog_device = { - .name = "wdog", + .name = "coh901327_wdog", .id = -1, .num_resources = ARRAY_SIZE(wdog_resources), .resource = wdog_resources, @@ -428,11 +1441,23 @@ static struct platform_device ave_device = { .resource = ave_resources, }; +static struct platform_device dma_device = { + .name = "coh901318", + .id = -1, + .resource = dma_resource, + .num_resources = ARRAY_SIZE(dma_resource), + .dev = { + .platform_data = &coh901318_platform, + .coherent_dma_mask = ~0, + }, +}; + /* * Notice that AMBA devices are initialized before platform devices. * */ static struct platform_device *platform_devs[] __initdata = { + &dma_device, &i2c0_device, &i2c1_device, &keypad_device, diff --git a/arch/arm/mach-u300/gpio.c b/arch/arm/mach-u300/gpio.c index 0b35826..5f61fd4 100644 --- a/arch/arm/mach-u300/gpio.c +++ b/arch/arm/mach-u300/gpio.c @@ -546,7 +546,7 @@ static void gpio_set_initial_values(void) for (i = 0; i < U300_GPIO_MAX; i++) { val = 0; for (j = 0; j < 8; j++) - val |= (u32)((u300_gpio_config[i][j].pull_up == DISABLE_PULL_UP)) << j; + val |= (u32)((u300_gpio_config[i][j].pull_up == DISABLE_PULL_UP) << j); local_irq_save(flags); writel(val, virtbase + U300_GPIO_PXPER + i * U300_GPIO_PORTX_SPACING); local_irq_restore(flags); diff --git a/arch/arm/mach-u300/include/mach/debug-macro.S b/arch/arm/mach-u300/include/mach/debug-macro.S index f3a1cbb..ca4a028 100644 --- a/arch/arm/mach-u300/include/mach/debug-macro.S +++ b/arch/arm/mach-u300/include/mach/debug-macro.S @@ -10,7 +10,7 @@ */ #include <mach/hardware.h> - .macro addruart,rx + .macro addruart, rx, tmp /* If we move the adress using MMU, use this. */ mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? diff --git a/arch/arm/mach-u300/include/mach/dma_channels.h b/arch/arm/mach-u300/include/mach/dma_channels.h new file mode 100644 index 0000000..b239149 --- /dev/null +++ b/arch/arm/mach-u300/include/mach/dma_channels.h @@ -0,0 +1,69 @@ +/* + * + * arch/arm/mach-u300/include/mach/dma_channels.h + * + * + * Copyright (C) 2007-2009 ST-Ericsson + * License terms: GNU General Public License (GPL) version 2 + * Map file for the U300 dma driver. + * Author: Per Friden <per.friden@stericsson.com> + */ + +#ifndef DMA_CHANNELS_H +#define DMA_CHANNELS_H + +#define U300_DMA_MSL_TX_0 0 +#define U300_DMA_MSL_TX_1 1 +#define U300_DMA_MSL_TX_2 2 +#define U300_DMA_MSL_TX_3 3 +#define U300_DMA_MSL_TX_4 4 +#define U300_DMA_MSL_TX_5 5 +#define U300_DMA_MSL_TX_6 6 +#define U300_DMA_MSL_RX_0 7 +#define U300_DMA_MSL_RX_1 8 +#define U300_DMA_MSL_RX_2 9 +#define U300_DMA_MSL_RX_3 10 +#define U300_DMA_MSL_RX_4 11 +#define U300_DMA_MSL_RX_5 12 +#define U300_DMA_MSL_RX_6 13 +#define U300_DMA_MMCSD_RX_TX 14 +#define U300_DMA_MSPRO_TX 15 +#define U300_DMA_MSPRO_RX 16 +#define U300_DMA_UART0_TX 17 +#define U300_DMA_UART0_RX 18 +#define U300_DMA_APEX_TX 19 +#define U300_DMA_APEX_RX 20 +#define U300_DMA_PCM_I2S0_TX 21 +#define U300_DMA_PCM_I2S0_RX 22 +#define U300_DMA_PCM_I2S1_TX 23 +#define U300_DMA_PCM_I2S1_RX 24 +#define U300_DMA_XGAM_CDI 25 +#define U300_DMA_XGAM_PDI 26 +#define U300_DMA_SPI_TX 27 +#define U300_DMA_SPI_RX 28 +#define U300_DMA_GENERAL_PURPOSE_0 29 +#define U300_DMA_GENERAL_PURPOSE_1 30 +#define U300_DMA_GENERAL_PURPOSE_2 31 +#define U300_DMA_GENERAL_PURPOSE_3 32 +#define U300_DMA_GENERAL_PURPOSE_4 33 +#define U300_DMA_GENERAL_PURPOSE_5 34 +#define U300_DMA_GENERAL_PURPOSE_6 35 +#define U300_DMA_GENERAL_PURPOSE_7 36 +#define U300_DMA_GENERAL_PURPOSE_8 37 +#ifdef CONFIG_MACH_U300_BS335 +#define U300_DMA_UART1_TX 38 +#define U300_DMA_UART1_RX 39 +#else +#define U300_DMA_GENERAL_PURPOSE_9 38 +#define U300_DMA_GENERAL_PURPOSE_10 39 +#endif + +#ifdef CONFIG_MACH_U300_BS335 +#define U300_DMA_DEVICE_CHANNELS 32 +#else +#define U300_DMA_DEVICE_CHANNELS 30 +#endif +#define U300_DMA_CHANNELS 40 + + +#endif /* DMA_CHANNELS_H */ diff --git a/arch/arm/mach-u300/include/mach/vmalloc.h b/arch/arm/mach-u300/include/mach/vmalloc.h index b00c51a..ec423b9 100644 --- a/arch/arm/mach-u300/include/mach/vmalloc.h +++ b/arch/arm/mach-u300/include/mach/vmalloc.h @@ -9,4 +9,4 @@ * End must be above the I/O registers and on an even 2MiB boundary. * Author: Linus Walleij <linus.walleij@stericsson.com> */ -#define VMALLOC_END 0xfe800000 +#define VMALLOC_END 0xfe800000UL diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index aa5afbc..803aec1 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -22,6 +22,7 @@ #include <asm/mach/arch.h> #include <plat/mtu.h> +#include <plat/i2c.h> #include <mach/hardware.h> #include <mach/setup.h> @@ -108,11 +109,96 @@ static struct amba_device pl022_device = { .periphid = SSP_PER_ID, }; +static struct amba_device pl031_device = { + .dev = { + .init_name = "pl031", + }, + .res = { + .start = U8500_RTC_BASE, + .end = U8500_RTC_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + .irq = {IRQ_RTC_RTT, NO_IRQ}, +}; + +#define U8500_I2C_RESOURCES(id, size) \ +static struct resource u8500_i2c_resources_##id[] = { \ + [0] = { \ + .start = U8500_I2C##id##_BASE, \ + .end = U8500_I2C##id##_BASE + size - 1, \ + .flags = IORESOURCE_MEM, \ + }, \ + [1] = { \ + .start = IRQ_I2C##id, \ + .end = IRQ_I2C##id, \ + .flags = IORESOURCE_IRQ \ + } \ +} + +U8500_I2C_RESOURCES(0, SZ_4K); +U8500_I2C_RESOURCES(1, SZ_4K); +U8500_I2C_RESOURCES(2, SZ_4K); +U8500_I2C_RESOURCES(3, SZ_4K); + +#define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \ +static struct nmk_i2c_controller u8500_i2c_##id = { \ + /* \ + * slave data setup time, which is \ + * 250 ns,100ns,10ns which is 14,6,2 \ + * respectively for a 48 Mhz \ + * i2c clock \ + */ \ + .slsu = _slsu, \ + /* Tx FIFO threshold */ \ + .tft = _tft, \ + /* Rx FIFO threshold */ \ + .rft = _rft, \ + /* std. mode operation */ \ + .clk_freq = clk, \ + .sm = _sm, \ +} + +/* + * The board uses 4 i2c controllers, initialize all of + * them with slave data setup time of 250 ns, + * Tx & Rx FIFO threshold values as 1 and standard + * mode of operation + */ +U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); +U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); +U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); +U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); + +#define U8500_I2C_PDEVICE(cid) \ +static struct platform_device i2c_controller##cid = { \ + .name = "nmk-i2c", \ + .id = cid, \ + .num_resources = 2, \ + .resource = u8500_i2c_resources_##cid, \ + .dev = { \ + .platform_data = &u8500_i2c_##cid \ + } \ +} + +U8500_I2C_PDEVICE(0); +U8500_I2C_PDEVICE(1); +U8500_I2C_PDEVICE(2); +U8500_I2C_PDEVICE(3); + static struct amba_device *amba_devs[] __initdata = { &uart0_device, &uart1_device, &uart2_device, &pl022_device, + &pl031_device, +}; + +/* add any platform devices here - TODO */ +static struct platform_device *platform_devs[] __initdata = { + &i2c_controller0, + &i2c_controller1, + &i2c_controller2, + &i2c_controller3, }; static void __init u8500_timer_init(void) @@ -139,6 +225,8 @@ static void __init u8500_init_machine(void) for (i = 0; i < ARRAY_SIZE(amba_devs); i++) amba_device_register(amba_devs[i], &iomem_resource); + platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); + spi_register_board_info(u8500_spi_devices, ARRAY_SIZE(u8500_spi_devices)); diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c index 20b6ebb..8359a73 100644 --- a/arch/arm/mach-ux500/clock.c +++ b/arch/arm/mach-ux500/clock.c @@ -85,11 +85,8 @@ static struct clk_lookup lookups[] = { static int __init clk_init(void) { - int i; - /* register the clock lookups */ - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); return 0; } arch_initcall(clk_init); diff --git a/arch/arm/mach-ux500/cpu-u8500.c b/arch/arm/mach-ux500/cpu-u8500.c index 5f05e58..397bc1f 100644 --- a/arch/arm/mach-ux500/cpu-u8500.c +++ b/arch/arm/mach-ux500/cpu-u8500.c @@ -33,6 +33,7 @@ static struct platform_device *platform_devs[] __initdata = { /* minimum static i/o mapping required to boot U8500 platforms */ static struct map_desc u8500_io_desc[] __initdata = { + __IO_DEV_DESC(U8500_UART2_BASE, SZ_4K), __IO_DEV_DESC(U8500_GIC_CPU_BASE, SZ_4K), __IO_DEV_DESC(U8500_GIC_DIST_BASE, SZ_4K), __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), diff --git a/arch/arm/mach-ux500/include/mach/debug-macro.S b/arch/arm/mach-ux500/include/mach/debug-macro.S index 8f21b6a..09cbfda 100644 --- a/arch/arm/mach-ux500/include/mach/debug-macro.S +++ b/arch/arm/mach-ux500/include/mach/debug-macro.S @@ -8,12 +8,13 @@ * published by the Free Software Foundation. * */ - .macro addruart,rx +#include <mach/hardware.h> + + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 - tst \rx, #1 @MMU enabled? - moveq \rx, #0x80000000 @MMU off, Physical address - movne \rx, #0xF0000000 @MMU on, Virtual address - orr \rx, \rx, #0x7000 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =U8500_UART2_BASE @ no, physical address + ldrne \rx, =IO_ADDRESS(U8500_UART2_BASE) @ yes, virtual address .endm #include <asm/hardware/debug-pl01x.S> diff --git a/arch/arm/mach-ux500/include/mach/vmalloc.h b/arch/arm/mach-ux500/include/mach/vmalloc.h index 86cdbbc..a4945cb 100644 --- a/arch/arm/mach-ux500/include/mach/vmalloc.h +++ b/arch/arm/mach-ux500/include/mach/vmalloc.h @@ -15,4 +15,4 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#define VMALLOC_END 0xf0000000 +#define VMALLOC_END 0xf0000000UL diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index e13be7c..9ddb49b 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -851,8 +851,7 @@ void __init versatile_init(void) { int i; - for (i = 0; i < ARRAY_SIZE(lookups); i++) - clkdev_add(&lookups[i]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); platform_device_register(&versatile_flash_device); platform_device_register(&versatile_i2c_device); diff --git a/arch/arm/mach-versatile/include/mach/debug-macro.S b/arch/arm/mach-versatile/include/mach/debug-macro.S index b4ac00e..6fea719 100644 --- a/arch/arm/mach-versatile/include/mach/debug-macro.S +++ b/arch/arm/mach-versatile/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x10000000 diff --git a/arch/arm/mach-w90x900/clock.c b/arch/arm/mach-w90x900/clock.c index b785994b..2c371ff 100644 --- a/arch/arm/mach-w90x900/clock.c +++ b/arch/arm/mach-w90x900/clock.c @@ -90,12 +90,3 @@ void nuc900_subclk_enable(struct clk *clk, int enable) __raw_writel(clken, W90X900_VA_CLKPWR + SUBCLK); } - - -void clks_register(struct clk_lookup *clks, size_t num) -{ - int i; - - for (i = 0; i < num; i++) - clkdev_add(&clks[i]); -} diff --git a/arch/arm/mach-w90x900/clock.h b/arch/arm/mach-w90x900/clock.h index f5816a0..c56ddab 100644 --- a/arch/arm/mach-w90x900/clock.h +++ b/arch/arm/mach-w90x900/clock.h @@ -14,7 +14,6 @@ void nuc900_clk_enable(struct clk *clk, int enable); void nuc900_subclk_enable(struct clk *clk, int enable); -void clks_register(struct clk_lookup *clks, size_t num); struct clk { unsigned long cken; diff --git a/arch/arm/mach-w90x900/cpu.c b/arch/arm/mach-w90x900/cpu.c index 20dc0c9..642207e 100644 --- a/arch/arm/mach-w90x900/cpu.c +++ b/arch/arm/mach-w90x900/cpu.c @@ -45,6 +45,7 @@ static struct map_desc nuc900_iodesc[] __initdata = { IODESC_ENT(UART), IODESC_ENT(TIMER), IODESC_ENT(EBI), + IODESC_ENT(GPIO), }; /* Initial clock declarations. */ @@ -68,6 +69,11 @@ static DEFINE_CLK(gdma, 27); static DEFINE_CLK(adc, 28); static DEFINE_CLK(usi, 29); static DEFINE_CLK(ext, 0); +static DEFINE_CLK(timer0, 19); +static DEFINE_CLK(timer1, 20); +static DEFINE_CLK(timer2, 21); +static DEFINE_CLK(timer3, 22); +static DEFINE_CLK(timer4, 23); static struct clk_lookup nuc900_clkregs[] = { DEF_CLKLOOK(&clk_lcd, "nuc900-lcd", NULL), @@ -90,6 +96,11 @@ static struct clk_lookup nuc900_clkregs[] = { DEF_CLKLOOK(&clk_adc, "nuc900-adc", NULL), DEF_CLKLOOK(&clk_usi, "nuc900-spi", NULL), DEF_CLKLOOK(&clk_ext, NULL, "ext"), + DEF_CLKLOOK(&clk_timer0, NULL, "timer0"), + DEF_CLKLOOK(&clk_timer1, NULL, "timer1"), + DEF_CLKLOOK(&clk_timer2, NULL, "timer2"), + DEF_CLKLOOK(&clk_timer3, NULL, "timer3"), + DEF_CLKLOOK(&clk_timer4, NULL, "timer4"), }; /* Initial serial platform data */ @@ -208,6 +219,6 @@ void __init nuc900_map_io(struct map_desc *mach_desc, int mach_size) void __init nuc900_init_clocks(void) { - clks_register(nuc900_clkregs, ARRAY_SIZE(nuc900_clkregs)); + clkdev_add_table(nuc900_clkregs, ARRAY_SIZE(nuc900_clkregs)); } diff --git a/arch/arm/mach-w90x900/include/mach/vmalloc.h b/arch/arm/mach-w90x900/include/mach/vmalloc.h index 2f9dfb9..b067e44 100644 --- a/arch/arm/mach-w90x900/include/mach/vmalloc.h +++ b/arch/arm/mach-w90x900/include/mach/vmalloc.h @@ -18,6 +18,6 @@ #ifndef __ASM_ARCH_VMALLOC_H #define __ASM_ARCH_VMALLOC_H -#define VMALLOC_END (0xE0000000) +#define VMALLOC_END (0xe0000000UL) #endif /* __ASM_ARCH_VMALLOC_H */ diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index baf6384..c4ed9f9 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -399,7 +399,7 @@ config CPU_V6 config CPU_32v6K bool "Support ARM V6K processor extensions" if !SMP depends on CPU_V6 - default y if SMP && !ARCH_MX3 + default y if SMP && !(ARCH_MX3 || ARCH_OMAP2) help Say Y here if your ARMv6 processor supports the 'K' extension. This enables the kernel to use some instructions not present @@ -410,7 +410,7 @@ config CPU_32v6K # ARMv7 config CPU_V7 bool "Support ARM V7 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX - select CPU_32v6K + select CPU_32v6K if !ARCH_OMAP2 select CPU_32v7 select CPU_ABRT_EV7 select CPU_PABRT_V7 @@ -754,7 +754,7 @@ config CACHE_FEROCEON_L2_WRITETHROUGH config CACHE_L2X0 bool "Enable the L2x0 outer cache controller" depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || \ - REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX || ARCH_NOMADIK + REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX || ARCH_NOMADIK || ARCH_OMAP4 default y select OUTER_CACHE help @@ -779,5 +779,5 @@ config CACHE_XSC3L2 config ARM_L1_CACHE_SHIFT int - default 6 if ARCH_OMAP3 || ARCH_S5PC1XX + default 6 if ARM_L1_CACHE_SHIFT_6 default 5 diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index 62820ed..edddd66 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -901,11 +901,7 @@ static int __init alignment_init(void) #ifdef CONFIG_PROC_FS struct proc_dir_entry *res; - res = proc_mkdir("cpu", NULL); - if (!res) - return -ENOMEM; - - res = create_proc_entry("alignment", S_IWUSR | S_IRUGO, res); + res = create_proc_entry("cpu/alignment", S_IWUSR | S_IRUGO, NULL); if (!res) return -ENOMEM; diff --git a/arch/arm/mm/cache-fa.S b/arch/arm/mm/cache-fa.S index a89444a..7148e53 100644 --- a/arch/arm/mm/cache-fa.S +++ b/arch/arm/mm/cache-fa.S @@ -157,7 +157,7 @@ ENTRY(fa_flush_kern_dcache_area) * - start - virtual start address * - end - virtual end address */ -ENTRY(fa_dma_inv_range) +fa_dma_inv_range: tst r0, #CACHE_DLINESIZE - 1 bic r0, r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c14, 1 @ clean & invalidate D entry @@ -180,7 +180,7 @@ ENTRY(fa_dma_inv_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(fa_dma_clean_range) +fa_dma_clean_range: bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHE_DLINESIZE @@ -205,6 +205,30 @@ ENTRY(fa_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain write buffer mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(fa_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq fa_dma_clean_range + bcs fa_dma_inv_range + b fa_dma_flush_range +ENDPROC(fa_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(fa_dma_unmap_area) + mov pc, lr +ENDPROC(fa_dma_unmap_area) + __INITDATA .type fa_cache_fns, #object @@ -215,7 +239,7 @@ ENTRY(fa_cache_fns) .long fa_coherent_kern_range .long fa_coherent_user_range .long fa_flush_kern_dcache_area - .long fa_dma_inv_range - .long fa_dma_clean_range + .long fa_dma_map_area + .long fa_dma_unmap_area .long fa_dma_flush_range .size fa_cache_fns, . - fa_cache_fns diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index cb8fc65..0733463 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -42,6 +42,57 @@ static inline void cache_sync(void) cache_wait(base + L2X0_CACHE_SYNC, 1); } +static inline void l2x0_clean_line(unsigned long addr) +{ + void __iomem *base = l2x0_base; + cache_wait(base + L2X0_CLEAN_LINE_PA, 1); + writel(addr, base + L2X0_CLEAN_LINE_PA); +} + +static inline void l2x0_inv_line(unsigned long addr) +{ + void __iomem *base = l2x0_base; + cache_wait(base + L2X0_INV_LINE_PA, 1); + writel(addr, base + L2X0_INV_LINE_PA); +} + +#ifdef CONFIG_PL310_ERRATA_588369 +static void debug_writel(unsigned long val) +{ + extern void omap_smc1(u32 fn, u32 arg); + + /* + * Texas Instrument secure monitor api to modify the + * PL310 Debug Control Register. + */ + omap_smc1(0x100, val); +} + +static inline void l2x0_flush_line(unsigned long addr) +{ + void __iomem *base = l2x0_base; + + /* Clean by PA followed by Invalidate by PA */ + cache_wait(base + L2X0_CLEAN_LINE_PA, 1); + writel(addr, base + L2X0_CLEAN_LINE_PA); + cache_wait(base + L2X0_INV_LINE_PA, 1); + writel(addr, base + L2X0_INV_LINE_PA); +} +#else + +/* Optimised out for non-errata case */ +static inline void debug_writel(unsigned long val) +{ +} + +static inline void l2x0_flush_line(unsigned long addr) +{ + void __iomem *base = l2x0_base; + cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); + writel(addr, base + L2X0_CLEAN_INV_LINE_PA); +} +#endif + static inline void l2x0_inv_all(void) { unsigned long flags; @@ -62,23 +113,24 @@ static void l2x0_inv_range(unsigned long start, unsigned long end) spin_lock_irqsave(&l2x0_lock, flags); if (start & (CACHE_LINE_SIZE - 1)) { start &= ~(CACHE_LINE_SIZE - 1); - cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); - writel(start, base + L2X0_CLEAN_INV_LINE_PA); + debug_writel(0x03); + l2x0_flush_line(start); + debug_writel(0x00); start += CACHE_LINE_SIZE; } if (end & (CACHE_LINE_SIZE - 1)) { end &= ~(CACHE_LINE_SIZE - 1); - cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); - writel(end, base + L2X0_CLEAN_INV_LINE_PA); + debug_writel(0x03); + l2x0_flush_line(end); + debug_writel(0x00); } while (start < end) { unsigned long blk_end = start + min(end - start, 4096UL); while (start < blk_end) { - cache_wait(base + L2X0_INV_LINE_PA, 1); - writel(start, base + L2X0_INV_LINE_PA); + l2x0_inv_line(start); start += CACHE_LINE_SIZE; } @@ -103,8 +155,7 @@ static void l2x0_clean_range(unsigned long start, unsigned long end) unsigned long blk_end = start + min(end - start, 4096UL); while (start < blk_end) { - cache_wait(base + L2X0_CLEAN_LINE_PA, 1); - writel(start, base + L2X0_CLEAN_LINE_PA); + l2x0_clean_line(start); start += CACHE_LINE_SIZE; } @@ -128,11 +179,12 @@ static void l2x0_flush_range(unsigned long start, unsigned long end) while (start < end) { unsigned long blk_end = start + min(end - start, 4096UL); + debug_writel(0x03); while (start < blk_end) { - cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); - writel(start, base + L2X0_CLEAN_INV_LINE_PA); + l2x0_flush_line(start); start += CACHE_LINE_SIZE; } + debug_writel(0x00); if (blk_end < end) { spin_unlock_irqrestore(&l2x0_lock, flags); diff --git a/arch/arm/mm/cache-v3.S b/arch/arm/mm/cache-v3.S index 2a48273..c2ff3c5 100644 --- a/arch/arm/mm/cache-v3.S +++ b/arch/arm/mm/cache-v3.S @@ -84,20 +84,6 @@ ENTRY(v3_flush_kern_dcache_area) /* FALLTHROUGH */ /* - * dma_inv_range(start, end) - * - * Invalidate (discard) the specified virtual address range. - * May not write back any entries. If 'start' or 'end' - * are not cache line aligned, those lines must be written - * back. - * - * - start - virtual start address - * - end - virtual end address - */ -ENTRY(v3_dma_inv_range) - /* FALLTHROUGH */ - -/* * dma_flush_range(start, end) * * Clean and invalidate the specified virtual address range. @@ -108,18 +94,29 @@ ENTRY(v3_dma_inv_range) ENTRY(v3_dma_flush_range) mov r0, #0 mcr p15, 0, r0, c7, c0, 0 @ flush ID cache + mov pc, lr + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v3_dma_unmap_area) + teq r2, #DMA_TO_DEVICE + bne v3_dma_flush_range /* FALLTHROUGH */ /* - * dma_clean_range(start, end) - * - * Clean (write back) the specified virtual address range. - * - * - start - virtual start address - * - end - virtual end address + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction */ -ENTRY(v3_dma_clean_range) +ENTRY(v3_dma_map_area) mov pc, lr +ENDPROC(v3_dma_unmap_area) +ENDPROC(v3_dma_map_area) __INITDATA @@ -131,7 +128,7 @@ ENTRY(v3_cache_fns) .long v3_coherent_kern_range .long v3_coherent_user_range .long v3_flush_kern_dcache_area - .long v3_dma_inv_range - .long v3_dma_clean_range + .long v3_dma_map_area + .long v3_dma_unmap_area .long v3_dma_flush_range .size v3_cache_fns, . - v3_cache_fns diff --git a/arch/arm/mm/cache-v4.S b/arch/arm/mm/cache-v4.S index 5c7da3e..4810f7e 100644 --- a/arch/arm/mm/cache-v4.S +++ b/arch/arm/mm/cache-v4.S @@ -94,20 +94,6 @@ ENTRY(v4_flush_kern_dcache_area) /* FALLTHROUGH */ /* - * dma_inv_range(start, end) - * - * Invalidate (discard) the specified virtual address range. - * May not write back any entries. If 'start' or 'end' - * are not cache line aligned, those lines must be written - * back. - * - * - start - virtual start address - * - end - virtual end address - */ -ENTRY(v4_dma_inv_range) - /* FALLTHROUGH */ - -/* * dma_flush_range(start, end) * * Clean and invalidate the specified virtual address range. @@ -120,18 +106,29 @@ ENTRY(v4_dma_flush_range) mov r0, #0 mcr p15, 0, r0, c7, c7, 0 @ flush ID cache #endif + mov pc, lr + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v4_dma_unmap_area) + teq r2, #DMA_TO_DEVICE + bne v4_dma_flush_range /* FALLTHROUGH */ /* - * dma_clean_range(start, end) - * - * Clean (write back) the specified virtual address range. - * - * - start - virtual start address - * - end - virtual end address + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction */ -ENTRY(v4_dma_clean_range) +ENTRY(v4_dma_map_area) mov pc, lr +ENDPROC(v4_dma_unmap_area) +ENDPROC(v4_dma_map_area) __INITDATA @@ -143,7 +140,7 @@ ENTRY(v4_cache_fns) .long v4_coherent_kern_range .long v4_coherent_user_range .long v4_flush_kern_dcache_area - .long v4_dma_inv_range - .long v4_dma_clean_range + .long v4_dma_map_area + .long v4_dma_unmap_area .long v4_dma_flush_range .size v4_cache_fns, . - v4_cache_fns diff --git a/arch/arm/mm/cache-v4wb.S b/arch/arm/mm/cache-v4wb.S index 3dbedf1e..df8368a 100644 --- a/arch/arm/mm/cache-v4wb.S +++ b/arch/arm/mm/cache-v4wb.S @@ -173,7 +173,7 @@ ENTRY(v4wb_coherent_user_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(v4wb_dma_inv_range) +v4wb_dma_inv_range: tst r0, #CACHE_DLINESIZE - 1 bic r0, r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry @@ -194,7 +194,7 @@ ENTRY(v4wb_dma_inv_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(v4wb_dma_clean_range) +v4wb_dma_clean_range: bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHE_DLINESIZE @@ -216,6 +216,30 @@ ENTRY(v4wb_dma_clean_range) .globl v4wb_dma_flush_range .set v4wb_dma_flush_range, v4wb_coherent_kern_range +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v4wb_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq v4wb_dma_clean_range + bcs v4wb_dma_inv_range + b v4wb_dma_flush_range +ENDPROC(v4wb_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v4wb_dma_unmap_area) + mov pc, lr +ENDPROC(v4wb_dma_unmap_area) + __INITDATA .type v4wb_cache_fns, #object @@ -226,7 +250,7 @@ ENTRY(v4wb_cache_fns) .long v4wb_coherent_kern_range .long v4wb_coherent_user_range .long v4wb_flush_kern_dcache_area - .long v4wb_dma_inv_range - .long v4wb_dma_clean_range + .long v4wb_dma_map_area + .long v4wb_dma_unmap_area .long v4wb_dma_flush_range .size v4wb_cache_fns, . - v4wb_cache_fns diff --git a/arch/arm/mm/cache-v4wt.S b/arch/arm/mm/cache-v4wt.S index b3b7410..45c7031 100644 --- a/arch/arm/mm/cache-v4wt.S +++ b/arch/arm/mm/cache-v4wt.S @@ -142,23 +142,12 @@ ENTRY(v4wt_flush_kern_dcache_area) * - start - virtual start address * - end - virtual end address */ -ENTRY(v4wt_dma_inv_range) +v4wt_dma_inv_range: bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry add r0, r0, #CACHE_DLINESIZE cmp r0, r1 blo 1b - /* FALLTHROUGH */ - -/* - * dma_clean_range(start, end) - * - * Clean the specified virtual address range. - * - * - start - virtual start address - * - end - virtual end address - */ -ENTRY(v4wt_dma_clean_range) mov pc, lr /* @@ -172,6 +161,29 @@ ENTRY(v4wt_dma_clean_range) .globl v4wt_dma_flush_range .equ v4wt_dma_flush_range, v4wt_dma_inv_range +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v4wt_dma_unmap_area) + add r1, r1, r0 + teq r2, #DMA_TO_DEVICE + bne v4wt_dma_inv_range + /* FALLTHROUGH */ + +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v4wt_dma_map_area) + mov pc, lr +ENDPROC(v4wt_dma_unmap_area) +ENDPROC(v4wt_dma_map_area) + __INITDATA .type v4wt_cache_fns, #object @@ -182,7 +194,7 @@ ENTRY(v4wt_cache_fns) .long v4wt_coherent_kern_range .long v4wt_coherent_user_range .long v4wt_flush_kern_dcache_area - .long v4wt_dma_inv_range - .long v4wt_dma_clean_range + .long v4wt_dma_map_area + .long v4wt_dma_unmap_area .long v4wt_dma_flush_range .size v4wt_cache_fns, . - v4wt_cache_fns diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index 4ba0a24..9d89c67 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S @@ -195,7 +195,7 @@ ENTRY(v6_flush_kern_dcache_area) * - start - virtual start address of region * - end - virtual end address of region */ -ENTRY(v6_dma_inv_range) +v6_dma_inv_range: tst r0, #D_CACHE_LINE_SIZE - 1 bic r0, r0, #D_CACHE_LINE_SIZE - 1 #ifdef HARVARD_CACHE @@ -228,7 +228,7 @@ ENTRY(v6_dma_inv_range) * - start - virtual start address of region * - end - virtual end address of region */ -ENTRY(v6_dma_clean_range) +v6_dma_clean_range: bic r0, r0, #D_CACHE_LINE_SIZE - 1 1: #ifdef HARVARD_CACHE @@ -263,6 +263,32 @@ ENTRY(v6_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain write buffer mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v6_dma_map_area) + add r1, r1, r0 + teq r2, #DMA_FROM_DEVICE + beq v6_dma_inv_range + b v6_dma_clean_range +ENDPROC(v6_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v6_dma_unmap_area) + add r1, r1, r0 + teq r2, #DMA_TO_DEVICE + bne v6_dma_inv_range + mov pc, lr +ENDPROC(v6_dma_unmap_area) + __INITDATA .type v6_cache_fns, #object @@ -273,7 +299,7 @@ ENTRY(v6_cache_fns) .long v6_coherent_kern_range .long v6_coherent_user_range .long v6_flush_kern_dcache_area - .long v6_dma_inv_range - .long v6_dma_clean_range + .long v6_dma_map_area + .long v6_dma_unmap_area .long v6_dma_flush_range .size v6_cache_fns, . - v6_cache_fns diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index 9073db8..bcd64f2 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -216,7 +216,7 @@ ENDPROC(v7_flush_kern_dcache_area) * - start - virtual start address of region * - end - virtual end address of region */ -ENTRY(v7_dma_inv_range) +v7_dma_inv_range: dcache_line_size r2, r3 sub r3, r2, #1 tst r0, r3 @@ -240,7 +240,7 @@ ENDPROC(v7_dma_inv_range) * - start - virtual start address of region * - end - virtual end address of region */ -ENTRY(v7_dma_clean_range) +v7_dma_clean_range: dcache_line_size r2, r3 sub r3, r2, #1 bic r0, r0, r3 @@ -271,6 +271,32 @@ ENTRY(v7_dma_flush_range) mov pc, lr ENDPROC(v7_dma_flush_range) +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v7_dma_map_area) + add r1, r1, r0 + teq r2, #DMA_FROM_DEVICE + beq v7_dma_inv_range + b v7_dma_clean_range +ENDPROC(v7_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(v7_dma_unmap_area) + add r1, r1, r0 + teq r2, #DMA_TO_DEVICE + bne v7_dma_inv_range + mov pc, lr +ENDPROC(v7_dma_unmap_area) + __INITDATA .type v7_cache_fns, #object @@ -281,7 +307,7 @@ ENTRY(v7_cache_fns) .long v7_coherent_kern_range .long v7_coherent_user_range .long v7_flush_kern_dcache_area - .long v7_dma_inv_range - .long v7_dma_clean_range + .long v7_dma_map_area + .long v7_dma_unmap_area .long v7_dma_flush_range .size v7_cache_fns, . - v7_cache_fns diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index a9e22e3..b0ee9ba 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -10,12 +10,17 @@ #include <linux/init.h> #include <linux/sched.h> #include <linux/mm.h> +#include <linux/smp.h> +#include <linux/percpu.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> static DEFINE_SPINLOCK(cpu_asid_lock); unsigned int cpu_last_asid = ASID_FIRST_VERSION; +#ifdef CONFIG_SMP +DEFINE_PER_CPU(struct mm_struct *, current_mm); +#endif /* * We fork()ed a process, and we need a new context for the child @@ -26,13 +31,109 @@ unsigned int cpu_last_asid = ASID_FIRST_VERSION; void __init_new_context(struct task_struct *tsk, struct mm_struct *mm) { mm->context.id = 0; + spin_lock_init(&mm->context.id_lock); } +static void flush_context(void) +{ + /* set the reserved ASID before flushing the TLB */ + asm("mcr p15, 0, %0, c13, c0, 1\n" : : "r" (0)); + isb(); + local_flush_tlb_all(); + if (icache_is_vivt_asid_tagged()) { + __flush_icache_all(); + dsb(); + } +} + +#ifdef CONFIG_SMP + +static void set_mm_context(struct mm_struct *mm, unsigned int asid) +{ + unsigned long flags; + + /* + * Locking needed for multi-threaded applications where the + * same mm->context.id could be set from different CPUs during + * the broadcast. This function is also called via IPI so the + * mm->context.id_lock has to be IRQ-safe. + */ + spin_lock_irqsave(&mm->context.id_lock, flags); + if (likely((mm->context.id ^ cpu_last_asid) >> ASID_BITS)) { + /* + * Old version of ASID found. Set the new one and + * reset mm_cpumask(mm). + */ + mm->context.id = asid; + cpumask_clear(mm_cpumask(mm)); + } + spin_unlock_irqrestore(&mm->context.id_lock, flags); + + /* + * Set the mm_cpumask(mm) bit for the current CPU. + */ + cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm)); +} + +/* + * Reset the ASID on the current CPU. This function call is broadcast + * from the CPU handling the ASID rollover and holding cpu_asid_lock. + */ +static void reset_context(void *info) +{ + unsigned int asid; + unsigned int cpu = smp_processor_id(); + struct mm_struct *mm = per_cpu(current_mm, cpu); + + /* + * Check if a current_mm was set on this CPU as it might still + * be in the early booting stages and using the reserved ASID. + */ + if (!mm) + return; + + smp_rmb(); + asid = cpu_last_asid + cpu + 1; + + flush_context(); + set_mm_context(mm, asid); + + /* set the new ASID */ + asm("mcr p15, 0, %0, c13, c0, 1\n" : : "r" (mm->context.id)); + isb(); +} + +#else + +static inline void set_mm_context(struct mm_struct *mm, unsigned int asid) +{ + mm->context.id = asid; + cpumask_copy(mm_cpumask(mm), cpumask_of(smp_processor_id())); +} + +#endif + void __new_context(struct mm_struct *mm) { unsigned int asid; spin_lock(&cpu_asid_lock); +#ifdef CONFIG_SMP + /* + * Check the ASID again, in case the change was broadcast from + * another CPU before we acquired the lock. + */ + if (unlikely(((mm->context.id ^ cpu_last_asid) >> ASID_BITS) == 0)) { + cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm)); + spin_unlock(&cpu_asid_lock); + return; + } +#endif + /* + * At this point, it is guaranteed that the current mm (with + * an old ASID) isn't active on any other CPU since the ASIDs + * are changed simultaneously via IPI. + */ asid = ++cpu_last_asid; if (asid == 0) asid = cpu_last_asid = ASID_FIRST_VERSION; @@ -42,20 +143,15 @@ void __new_context(struct mm_struct *mm) * to start a new version and flush the TLB. */ if (unlikely((asid & ~ASID_MASK) == 0)) { - asid = ++cpu_last_asid; - /* set the reserved ASID before flushing the TLB */ - asm("mcr p15, 0, %0, c13, c0, 1 @ set reserved context ID\n" - : - : "r" (0)); - isb(); - flush_tlb_all(); - if (icache_is_vivt_asid_tagged()) { - __flush_icache_all(); - dsb(); - } + asid = cpu_last_asid + smp_processor_id() + 1; + flush_context(); +#ifdef CONFIG_SMP + smp_wmb(); + smp_call_function(reset_context, NULL, 1); +#endif + cpu_last_asid += NR_CPUS; } - spin_unlock(&cpu_asid_lock); - cpumask_copy(mm_cpumask(mm), cpumask_of(smp_processor_id())); - mm->context.id = asid; + set_mm_context(mm, asid); + spin_unlock(&cpu_asid_lock); } diff --git a/arch/arm/mm/copypage-feroceon.c b/arch/arm/mm/copypage-feroceon.c index 70997d5..5eb4fd9 100644 --- a/arch/arm/mm/copypage-feroceon.c +++ b/arch/arm/mm/copypage-feroceon.c @@ -68,12 +68,13 @@ feroceon_copy_user_page(void *kto, const void *kfrom) } void feroceon_copy_user_highpage(struct page *to, struct page *from, - unsigned long vaddr) + unsigned long vaddr, struct vm_area_struct *vma) { void *kto, *kfrom; kto = kmap_atomic(to, KM_USER0); kfrom = kmap_atomic(from, KM_USER1); + flush_cache_page(vma, vaddr, page_to_pfn(from)); feroceon_copy_user_page(kto, kfrom); kunmap_atomic(kfrom, KM_USER1); kunmap_atomic(kto, KM_USER0); diff --git a/arch/arm/mm/copypage-v3.c b/arch/arm/mm/copypage-v3.c index de9c068..f72303e 100644 --- a/arch/arm/mm/copypage-v3.c +++ b/arch/arm/mm/copypage-v3.c @@ -38,7 +38,7 @@ v3_copy_user_page(void *kto, const void *kfrom) } void v3_copy_user_highpage(struct page *to, struct page *from, - unsigned long vaddr) + unsigned long vaddr, struct vm_area_struct *vma) { void *kto, *kfrom; diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c index 7370a71..598c51a 100644 --- a/arch/arm/mm/copypage-v4mc.c +++ b/arch/arm/mm/copypage-v4mc.c @@ -69,7 +69,7 @@ mc_copy_user_page(void *from, void *to) } void v4_mc_copy_user_highpage(struct page *to, struct page *from, - unsigned long vaddr) + unsigned long vaddr, struct vm_area_struct *vma) { void *kto = kmap_atomic(to, KM_USER1); diff --git a/arch/arm/mm/copypage-v4wb.c b/arch/arm/mm/copypage-v4wb.c index 9ab0984..7c2eb55 100644 --- a/arch/arm/mm/copypage-v4wb.c +++ b/arch/arm/mm/copypage-v4wb.c @@ -48,12 +48,13 @@ v4wb_copy_user_page(void *kto, const void *kfrom) } void v4wb_copy_user_highpage(struct page *to, struct page *from, - unsigned long vaddr) + unsigned long vaddr, struct vm_area_struct *vma) { void *kto, *kfrom; kto = kmap_atomic(to, KM_USER0); kfrom = kmap_atomic(from, KM_USER1); + flush_cache_page(vma, vaddr, page_to_pfn(from)); v4wb_copy_user_page(kto, kfrom); kunmap_atomic(kfrom, KM_USER1); kunmap_atomic(kto, KM_USER0); diff --git a/arch/arm/mm/copypage-v4wt.c b/arch/arm/mm/copypage-v4wt.c index 300efaf..172e6a5 100644 --- a/arch/arm/mm/copypage-v4wt.c +++ b/arch/arm/mm/copypage-v4wt.c @@ -44,7 +44,7 @@ v4wt_copy_user_page(void *kto, const void *kfrom) } void v4wt_copy_user_highpage(struct page *to, struct page *from, - unsigned long vaddr) + unsigned long vaddr, struct vm_area_struct *vma) { void *kto, *kfrom; diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index 0fa1319..8bca4de 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c @@ -34,7 +34,7 @@ static DEFINE_SPINLOCK(v6_lock); * attack the kernel's existing mapping of these pages. */ static void v6_copy_user_highpage_nonaliasing(struct page *to, - struct page *from, unsigned long vaddr) + struct page *from, unsigned long vaddr, struct vm_area_struct *vma) { void *kto, *kfrom; @@ -81,7 +81,7 @@ static void discard_old_kernel_data(void *kto) * Copy the page, taking account of the cache colour. */ static void v6_copy_user_highpage_aliasing(struct page *to, - struct page *from, unsigned long vaddr) + struct page *from, unsigned long vaddr, struct vm_area_struct *vma) { unsigned int offset = CACHE_COLOUR(vaddr); unsigned long kfrom, kto; diff --git a/arch/arm/mm/copypage-xsc3.c b/arch/arm/mm/copypage-xsc3.c index bc4525f..747ad41 100644 --- a/arch/arm/mm/copypage-xsc3.c +++ b/arch/arm/mm/copypage-xsc3.c @@ -71,12 +71,13 @@ xsc3_mc_copy_user_page(void *kto, const void *kfrom) } void xsc3_mc_copy_user_highpage(struct page *to, struct page *from, - unsigned long vaddr) + unsigned long vaddr, struct vm_area_struct *vma) { void *kto, *kfrom; kto = kmap_atomic(to, KM_USER0); kfrom = kmap_atomic(from, KM_USER1); + flush_cache_page(vma, vaddr, page_to_pfn(from)); xsc3_mc_copy_user_page(kto, kfrom); kunmap_atomic(kfrom, KM_USER1); kunmap_atomic(kto, KM_USER0); diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c index 76824d3..9920c0a 100644 --- a/arch/arm/mm/copypage-xscale.c +++ b/arch/arm/mm/copypage-xscale.c @@ -91,7 +91,7 @@ mc_copy_user_page(void *from, void *to) } void xscale_mc_copy_user_highpage(struct page *to, struct page *from, - unsigned long vaddr) + unsigned long vaddr, struct vm_area_struct *vma) { void *kto = kmap_atomic(to, KM_USER1); diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 26325cb..0da7ecc 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -29,9 +29,6 @@ #error "CONSISTENT_DMA_SIZE must be multiple of 2MiB" #endif -#define CONSISTENT_END (0xffe00000) -#define CONSISTENT_BASE (CONSISTENT_END - CONSISTENT_DMA_SIZE) - #define CONSISTENT_OFFSET(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT) #define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PGDIR_SHIFT) #define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PGDIR_SHIFT) @@ -404,78 +401,44 @@ EXPORT_SYMBOL(dma_free_coherent); * platforms with CONFIG_DMABOUNCE. * Use the driver DMA support - see dma-mapping.h (dma_sync_*) */ -void dma_cache_maint(const void *start, size_t size, int direction) +void ___dma_single_cpu_to_dev(const void *kaddr, size_t size, + enum dma_data_direction dir) { - void (*inner_op)(const void *, const void *); - void (*outer_op)(unsigned long, unsigned long); - - BUG_ON(!virt_addr_valid(start) || !virt_addr_valid(start + size - 1)); - - switch (direction) { - case DMA_FROM_DEVICE: /* invalidate only */ - inner_op = dmac_inv_range; - outer_op = outer_inv_range; - break; - case DMA_TO_DEVICE: /* writeback only */ - inner_op = dmac_clean_range; - outer_op = outer_clean_range; - break; - case DMA_BIDIRECTIONAL: /* writeback and invalidate */ - inner_op = dmac_flush_range; - outer_op = outer_flush_range; - break; - default: - BUG(); - } + unsigned long paddr; + + BUG_ON(!virt_addr_valid(kaddr) || !virt_addr_valid(kaddr + size - 1)); - inner_op(start, start + size); - outer_op(__pa(start), __pa(start) + size); + dmac_map_area(kaddr, size, dir); + + paddr = __pa(kaddr); + if (dir == DMA_FROM_DEVICE) { + outer_inv_range(paddr, paddr + size); + } else { + outer_clean_range(paddr, paddr + size); + } + /* FIXME: non-speculating: flush on bidirectional mappings? */ } -EXPORT_SYMBOL(dma_cache_maint); +EXPORT_SYMBOL(___dma_single_cpu_to_dev); -static void dma_cache_maint_contiguous(struct page *page, unsigned long offset, - size_t size, int direction) +void ___dma_single_dev_to_cpu(const void *kaddr, size_t size, + enum dma_data_direction dir) { - void *vaddr; - unsigned long paddr; - void (*inner_op)(const void *, const void *); - void (*outer_op)(unsigned long, unsigned long); - - switch (direction) { - case DMA_FROM_DEVICE: /* invalidate only */ - inner_op = dmac_inv_range; - outer_op = outer_inv_range; - break; - case DMA_TO_DEVICE: /* writeback only */ - inner_op = dmac_clean_range; - outer_op = outer_clean_range; - break; - case DMA_BIDIRECTIONAL: /* writeback and invalidate */ - inner_op = dmac_flush_range; - outer_op = outer_flush_range; - break; - default: - BUG(); - } + BUG_ON(!virt_addr_valid(kaddr) || !virt_addr_valid(kaddr + size - 1)); - if (!PageHighMem(page)) { - vaddr = page_address(page) + offset; - inner_op(vaddr, vaddr + size); - } else { - vaddr = kmap_high_get(page); - if (vaddr) { - vaddr += offset; - inner_op(vaddr, vaddr + size); - kunmap_high(page); - } + /* FIXME: non-speculating: not required */ + /* don't bother invalidating if DMA to device */ + if (dir != DMA_TO_DEVICE) { + unsigned long paddr = __pa(kaddr); + outer_inv_range(paddr, paddr + size); } - paddr = page_to_phys(page) + offset; - outer_op(paddr, paddr + size); + dmac_unmap_area(kaddr, size, dir); } +EXPORT_SYMBOL(___dma_single_dev_to_cpu); -void dma_cache_maint_page(struct page *page, unsigned long offset, - size_t size, int dir) +static void dma_cache_maint_page(struct page *page, unsigned long offset, + size_t size, enum dma_data_direction dir, + void (*op)(const void *, size_t, int)) { /* * A single sg entry may refer to multiple physically contiguous @@ -486,20 +449,62 @@ void dma_cache_maint_page(struct page *page, unsigned long offset, size_t left = size; do { size_t len = left; - if (PageHighMem(page) && len + offset > PAGE_SIZE) { - if (offset >= PAGE_SIZE) { - page += offset / PAGE_SIZE; - offset %= PAGE_SIZE; + void *vaddr; + + if (PageHighMem(page)) { + if (len + offset > PAGE_SIZE) { + if (offset >= PAGE_SIZE) { + page += offset / PAGE_SIZE; + offset %= PAGE_SIZE; + } + len = PAGE_SIZE - offset; } - len = PAGE_SIZE - offset; + vaddr = kmap_high_get(page); + if (vaddr) { + vaddr += offset; + op(vaddr, len, dir); + kunmap_high(page); + } + } else { + vaddr = page_address(page) + offset; + op(vaddr, len, dir); } - dma_cache_maint_contiguous(page, offset, len, dir); offset = 0; page++; left -= len; } while (left); } -EXPORT_SYMBOL(dma_cache_maint_page); + +void ___dma_page_cpu_to_dev(struct page *page, unsigned long off, + size_t size, enum dma_data_direction dir) +{ + unsigned long paddr; + + dma_cache_maint_page(page, off, size, dir, dmac_map_area); + + paddr = page_to_phys(page) + off; + if (dir == DMA_FROM_DEVICE) { + outer_inv_range(paddr, paddr + size); + } else { + outer_clean_range(paddr, paddr + size); + } + /* FIXME: non-speculating: flush on bidirectional mappings? */ +} +EXPORT_SYMBOL(___dma_page_cpu_to_dev); + +void ___dma_page_dev_to_cpu(struct page *page, unsigned long off, + size_t size, enum dma_data_direction dir) +{ + unsigned long paddr = page_to_phys(page) + off; + + /* FIXME: non-speculating: not required */ + /* don't bother invalidating if DMA to device */ + if (dir != DMA_TO_DEVICE) + outer_inv_range(paddr, paddr + size); + + dma_cache_maint_page(page, off, size, dir, dmac_unmap_area); +} +EXPORT_SYMBOL(___dma_page_dev_to_cpu); /** * dma_map_sg - map a set of SG buffers for streaming mode DMA @@ -573,8 +578,12 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int i; for_each_sg(sg, s, nents, i) { - dmabounce_sync_for_cpu(dev, sg_dma_address(s), 0, - sg_dma_len(s), dir); + if (!dmabounce_sync_for_cpu(dev, sg_dma_address(s), 0, + sg_dma_len(s), dir)) + continue; + + __dma_page_dev_to_cpu(sg_page(s), s->offset, + s->length, dir); } } EXPORT_SYMBOL(dma_sync_sg_for_cpu); @@ -597,9 +606,8 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, sg_dma_len(s), dir)) continue; - if (!arch_is_coherent()) - dma_cache_maint_page(sg_page(s), s->offset, - s->length, dir); + __dma_page_cpu_to_dev(sg_page(s), s->offset, + s->length, dir); } } EXPORT_SYMBOL(dma_sync_sg_for_device); diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c index 56ee153..c9b97e9 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c @@ -36,28 +36,12 @@ static unsigned long shared_pte_mask = L_PTE_MT_BUFFERABLE; * Therefore those configurations which might call adjust_pte (those * without CONFIG_CPU_CACHE_VIPT) cannot support split page_table_lock. */ -static int adjust_pte(struct vm_area_struct *vma, unsigned long address) +static int do_adjust_pte(struct vm_area_struct *vma, unsigned long address, + unsigned long pfn, pte_t *ptep) { - pgd_t *pgd; - pmd_t *pmd; - pte_t *pte, entry; + pte_t entry = *ptep; int ret; - pgd = pgd_offset(vma->vm_mm, address); - if (pgd_none(*pgd)) - goto no_pgd; - if (pgd_bad(*pgd)) - goto bad_pgd; - - pmd = pmd_offset(pgd, address); - if (pmd_none(*pmd)) - goto no_pmd; - if (pmd_bad(*pmd)) - goto bad_pmd; - - pte = pte_offset_map(pmd, address); - entry = *pte; - /* * If this page is present, it's actually being shared. */ @@ -68,33 +52,55 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address) * fault (ie, is old), we can safely ignore any issues. */ if (ret && (pte_val(entry) & L_PTE_MT_MASK) != shared_pte_mask) { - unsigned long pfn = pte_pfn(entry); flush_cache_page(vma, address, pfn); outer_flush_range((pfn << PAGE_SHIFT), (pfn << PAGE_SHIFT) + PAGE_SIZE); pte_val(entry) &= ~L_PTE_MT_MASK; pte_val(entry) |= shared_pte_mask; - set_pte_at(vma->vm_mm, address, pte, entry); + set_pte_at(vma->vm_mm, address, ptep, entry); flush_tlb_page(vma, address); } - pte_unmap(pte); + return ret; +} + +static int adjust_pte(struct vm_area_struct *vma, unsigned long address, + unsigned long pfn) +{ + spinlock_t *ptl; + pgd_t *pgd; + pmd_t *pmd; + pte_t *pte; + int ret; + + pgd = pgd_offset(vma->vm_mm, address); + if (pgd_none_or_clear_bad(pgd)) + return 0; + + pmd = pmd_offset(pgd, address); + if (pmd_none_or_clear_bad(pmd)) + return 0; -bad_pgd: - pgd_ERROR(*pgd); - pgd_clear(pgd); -no_pgd: - return 0; - -bad_pmd: - pmd_ERROR(*pmd); - pmd_clear(pmd); -no_pmd: - return 0; + /* + * This is called while another page table is mapped, so we + * must use the nested version. This also means we need to + * open-code the spin-locking. + */ + ptl = pte_lockptr(vma->vm_mm, pmd); + pte = pte_offset_map_nested(pmd, address); + spin_lock(ptl); + + ret = do_adjust_pte(vma, address, pfn, pte); + + spin_unlock(ptl); + pte_unmap_nested(pte); + + return ret; } static void -make_coherent(struct address_space *mapping, struct vm_area_struct *vma, unsigned long addr, unsigned long pfn) +make_coherent(struct address_space *mapping, struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, unsigned long pfn) { struct mm_struct *mm = vma->vm_mm; struct vm_area_struct *mpnt; @@ -122,11 +128,11 @@ make_coherent(struct address_space *mapping, struct vm_area_struct *vma, unsigne if (!(mpnt->vm_flags & VM_MAYSHARE)) continue; offset = (pgoff - mpnt->vm_pgoff) << PAGE_SHIFT; - aliases += adjust_pte(mpnt, mpnt->vm_start + offset); + aliases += adjust_pte(mpnt, mpnt->vm_start + offset, pfn); } flush_dcache_mmap_unlock(mapping); if (aliases) - adjust_pte(vma, addr); + do_adjust_pte(vma, addr, pfn, ptep); else flush_cache_page(vma, addr, pfn); } @@ -144,9 +150,10 @@ make_coherent(struct address_space *mapping, struct vm_area_struct *vma, unsigne * * Note that the pte lock will be held. */ -void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte) +void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep) { - unsigned long pfn = pte_pfn(pte); + unsigned long pfn = pte_pfn(*ptep); struct address_space *mapping; struct page *page; @@ -168,7 +175,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte) #endif if (mapping) { if (cache_is_vivt()) - make_coherent(mapping, vma, addr, pfn); + make_coherent(mapping, vma, addr, ptep, pfn); else if (vma->vm_flags & VM_EXEC) __flush_icache_all(); } diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 10e0680..9d40c34 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -18,6 +18,7 @@ #include <linux/page-flags.h> #include <linux/sched.h> #include <linux/highmem.h> +#include <linux/perf_event.h> #include <asm/system.h> #include <asm/pgtable.h> @@ -302,6 +303,12 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) fault = __do_page_fault(mm, addr, fsr, tsk); up_read(&mm->mmap_sem); + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, addr); + if (fault & VM_FAULT_MAJOR) + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0, regs, addr); + else if (fault & VM_FAULT_MINOR) + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0, regs, addr); + /* * Handle the "normal" case first - VM_FAULT_MAJOR / VM_FAULT_MINOR */ diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 6f3a4b7..e34f095 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -13,6 +13,7 @@ #include <asm/cacheflush.h> #include <asm/cachetype.h> +#include <asm/smp_plat.h> #include <asm/system.h> #include <asm/tlbflush.h> @@ -87,13 +88,26 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsig if (vma->vm_flags & VM_EXEC && icache_is_vivt_asid_tagged()) __flush_icache_all(); } +#else +#define flush_pfn_alias(pfn,vaddr) do { } while (0) +#endif +#ifdef CONFIG_SMP +static void flush_ptrace_access_other(void *args) +{ + __flush_icache_all(); +} +#endif + +static void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, - unsigned long uaddr, void *kaddr, - unsigned long len, int write) + unsigned long uaddr, void *kaddr, unsigned long len) { if (cache_is_vivt()) { - vivt_flush_ptrace_access(vma, page, uaddr, kaddr, len, write); + if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) { + unsigned long addr = (unsigned long)kaddr; + __cpuc_coherent_kern_range(addr, addr + len); + } return; } @@ -104,16 +118,37 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, } /* VIPT non-aliasing cache */ - if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm)) && - vma->vm_flags & VM_EXEC) { + if (vma->vm_flags & VM_EXEC) { unsigned long addr = (unsigned long)kaddr; - /* only flushing the kernel mapping on non-aliasing VIPT */ __cpuc_coherent_kern_range(addr, addr + len); +#ifdef CONFIG_SMP + if (cache_ops_need_broadcast()) + smp_call_function(flush_ptrace_access_other, + NULL, 1); +#endif } } -#else -#define flush_pfn_alias(pfn,vaddr) do { } while (0) + +/* + * Copy user data from/to a page which is mapped into a different + * processes address space. Really, we want to allow our "user + * space" model to handle this. + * + * Note that this code needs to run on the current CPU. + */ +void copy_to_user_page(struct vm_area_struct *vma, struct page *page, + unsigned long uaddr, void *dst, const void *src, + unsigned long len) +{ +#ifdef CONFIG_SMP + preempt_disable(); #endif + memcpy(dst, src, len); + flush_ptrace_access(vma, page, uaddr, dst, len); +#ifdef CONFIG_SMP + preempt_enable(); +#endif +} void __flush_dcache_page(struct address_space *mapping, struct page *page) { diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index a04ffbb..7829cb5 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -23,6 +23,7 @@ #include <asm/setup.h> #include <asm/sizes.h> #include <asm/tlb.h> +#include <asm/fixmap.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -32,19 +33,21 @@ static unsigned long phys_initrd_start __initdata = 0; static unsigned long phys_initrd_size __initdata = 0; -static void __init early_initrd(char **p) +static int __init early_initrd(char *p) { unsigned long start, size; + char *endp; - start = memparse(*p, p); - if (**p == ',') { - size = memparse((*p) + 1, p); + start = memparse(p, &endp); + if (*endp == ',') { + size = memparse(endp + 1, NULL); phys_initrd_start = start; phys_initrd_size = size; } + return 0; } -__early_param("initrd=", early_initrd); +early_param("initrd", early_initrd); static int __init parse_tag_initrd(const struct tag *tag) { @@ -560,7 +563,7 @@ static void __init free_unused_memmap_node(int node, struct meminfo *mi) */ void __init mem_init(void) { - unsigned int codesize, datasize, initsize; + unsigned long reserved_pages, free_pages; int i, node; #ifndef CONFIG_DISCONTIGMEM @@ -596,6 +599,33 @@ void __init mem_init(void) totalram_pages += totalhigh_pages; #endif + reserved_pages = free_pages = 0; + + for_each_online_node(node) { + pg_data_t *n = NODE_DATA(node); + struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn; + + for_each_nodebank(i, &meminfo, node) { + struct membank *bank = &meminfo.bank[i]; + unsigned int pfn1, pfn2; + struct page *page, *end; + + pfn1 = bank_pfn_start(bank); + pfn2 = bank_pfn_end(bank); + + page = map + pfn1; + end = map + pfn2; + + do { + if (PageReserved(page)) + reserved_pages++; + else if (!page_count(page)) + free_pages++; + page++; + } while (page < end); + } + } + /* * Since our memory may not be contiguous, calculate the * real number of pages we have in this system @@ -608,16 +638,71 @@ void __init mem_init(void) } printk(" = %luMB total\n", num_physpages >> (20 - PAGE_SHIFT)); - codesize = _etext - _text; - datasize = _end - _data; - initsize = __init_end - __init_begin; - - printk(KERN_NOTICE "Memory: %luKB available (%dK code, " - "%dK data, %dK init, %luK highmem)\n", - nr_free_pages() << (PAGE_SHIFT-10), codesize >> 10, - datasize >> 10, initsize >> 10, + printk(KERN_NOTICE "Memory: %luk/%luk available, %luk reserved, %luK highmem\n", + nr_free_pages() << (PAGE_SHIFT-10), + free_pages << (PAGE_SHIFT-10), + reserved_pages << (PAGE_SHIFT-10), totalhigh_pages << (PAGE_SHIFT-10)); +#define MLK(b, t) b, t, ((t) - (b)) >> 10 +#define MLM(b, t) b, t, ((t) - (b)) >> 20 +#define MLK_ROUNDUP(b, t) b, t, DIV_ROUND_UP(((t) - (b)), SZ_1K) + + printk(KERN_NOTICE "Virtual kernel memory layout:\n" + " vector : 0x%08lx - 0x%08lx (%4ld kB)\n" + " fixmap : 0x%08lx - 0x%08lx (%4ld kB)\n" +#ifdef CONFIG_MMU + " DMA : 0x%08lx - 0x%08lx (%4ld MB)\n" +#endif + " vmalloc : 0x%08lx - 0x%08lx (%4ld MB)\n" + " lowmem : 0x%08lx - 0x%08lx (%4ld MB)\n" +#ifdef CONFIG_HIGHMEM + " pkmap : 0x%08lx - 0x%08lx (%4ld MB)\n" +#endif + " modules : 0x%08lx - 0x%08lx (%4ld MB)\n" + " .init : 0x%p" " - 0x%p" " (%4d kB)\n" + " .text : 0x%p" " - 0x%p" " (%4d kB)\n" + " .data : 0x%p" " - 0x%p" " (%4d kB)\n", + + MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) + + (PAGE_SIZE)), + MLK(FIXADDR_START, FIXADDR_TOP), +#ifdef CONFIG_MMU + MLM(CONSISTENT_BASE, CONSISTENT_END), +#endif + MLM(VMALLOC_START, VMALLOC_END), + MLM(PAGE_OFFSET, (unsigned long)high_memory), +#ifdef CONFIG_HIGHMEM + MLM(PKMAP_BASE, (PKMAP_BASE) + (LAST_PKMAP) * + (PAGE_SIZE)), +#endif + MLM(MODULES_VADDR, MODULES_END), + + MLK_ROUNDUP(__init_begin, __init_end), + MLK_ROUNDUP(_text, _etext), + MLK_ROUNDUP(_data, _edata)); + +#undef MLK +#undef MLM +#undef MLK_ROUNDUP + + /* + * Check boundaries twice: Some fundamental inconsistencies can + * be detected at build time already. + */ +#ifdef CONFIG_MMU + BUILD_BUG_ON(VMALLOC_END > CONSISTENT_BASE); + BUG_ON(VMALLOC_END > CONSISTENT_BASE); + + BUILD_BUG_ON(TASK_SIZE > MODULES_VADDR); + BUG_ON(TASK_SIZE > MODULES_VADDR); +#endif + +#ifdef CONFIG_HIGHMEM + BUILD_BUG_ON(PKMAP_BASE + LAST_PKMAP * PAGE_SIZE > PAGE_OFFSET); + BUG_ON(PKMAP_BASE + LAST_PKMAP * PAGE_SIZE > PAGE_OFFSET); +#endif + if (PAGE_SIZE >= 16384 && num_physpages <= 128) { extern int sysctl_overcommit_memory; /* diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 0ab75c6..28c8b95 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -139,8 +139,8 @@ void __check_kvm_seq(struct mm_struct *mm) * which requires the new ioremap'd region to be referenced, the CPU will * reference the _old_ region. * - * Note that get_vm_area() allocates a guard 4K page, so we need to mask - * the size back to 1MB aligned or we will overflow in the loop below. + * Note that get_vm_area_caller() allocates a guard 4K page, so we need to + * mask the size back to 1MB aligned or we will overflow in the loop below. */ static void unmap_area_sections(unsigned long virt, unsigned long size) { @@ -254,22 +254,8 @@ remap_area_supersections(unsigned long virt, unsigned long pfn, } #endif - -/* - * Remap an arbitrary physical address space into the kernel virtual - * address space. Needed when the kernel wants to access high addresses - * directly. - * - * NOTE! We need to allow non-page-aligned mappings too: we will obviously - * have to convert them into an offset in a page-aligned mapping, but the - * caller shouldn't need to know that small detail. - * - * 'flags' are the extra L_PTE_ flags that you want to specify for this - * mapping. See <asm/pgtable.h> for more information. - */ -void __iomem * -__arm_ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size, - unsigned int mtype) +void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn, + unsigned long offset, size_t size, unsigned int mtype, void *caller) { const struct mem_type *type; int err; @@ -291,7 +277,7 @@ __arm_ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size, */ size = PAGE_ALIGN(offset + size); - area = get_vm_area(size, VM_IOREMAP); + area = get_vm_area_caller(size, VM_IOREMAP, caller); if (!area) return NULL; addr = (unsigned long)area->addr; @@ -318,10 +304,9 @@ __arm_ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size, flush_cache_vmap(addr, addr + size); return (void __iomem *) (offset + addr); } -EXPORT_SYMBOL(__arm_ioremap_pfn); -void __iomem * -__arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) +void __iomem *__arm_ioremap_caller(unsigned long phys_addr, size_t size, + unsigned int mtype, void *caller) { unsigned long last_addr; unsigned long offset = phys_addr & ~PAGE_MASK; @@ -334,7 +319,33 @@ __arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) if (!size || last_addr < phys_addr) return NULL; - return __arm_ioremap_pfn(pfn, offset, size, mtype); + return __arm_ioremap_pfn_caller(pfn, offset, size, mtype, + caller); +} + +/* + * Remap an arbitrary physical address space into the kernel virtual + * address space. Needed when the kernel wants to access high addresses + * directly. + * + * NOTE! We need to allow non-page-aligned mappings too: we will obviously + * have to convert them into an offset in a page-aligned mapping, but the + * caller shouldn't need to know that small detail. + */ +void __iomem * +__arm_ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size, + unsigned int mtype) +{ + return __arm_ioremap_pfn_caller(pfn, offset, size, mtype, + __builtin_return_address(0)); +} +EXPORT_SYMBOL(__arm_ioremap_pfn); + +void __iomem * +__arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) +{ + return __arm_ioremap_caller(phys_addr, size, mtype, + __builtin_return_address(0)); } EXPORT_SYMBOL(__arm_ioremap); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 761ffed..9d4da6a 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -100,18 +100,17 @@ static struct cachepolicy cache_policies[] __initdata = { * writebuffer to be turned off. (Note: the write * buffer should not be on and the cache off). */ -static void __init early_cachepolicy(char **p) +static int __init early_cachepolicy(char *p) { int i; for (i = 0; i < ARRAY_SIZE(cache_policies); i++) { int len = strlen(cache_policies[i].policy); - if (memcmp(*p, cache_policies[i].policy, len) == 0) { + if (memcmp(p, cache_policies[i].policy, len) == 0) { cachepolicy = i; cr_alignment &= ~cache_policies[i].cr_mask; cr_no_alignment &= ~cache_policies[i].cr_mask; - *p += len; break; } } @@ -130,36 +129,37 @@ static void __init early_cachepolicy(char **p) } flush_cache_all(); set_cr(cr_alignment); + return 0; } -__early_param("cachepolicy=", early_cachepolicy); +early_param("cachepolicy", early_cachepolicy); -static void __init early_nocache(char **__unused) +static int __init early_nocache(char *__unused) { char *p = "buffered"; printk(KERN_WARNING "nocache is deprecated; use cachepolicy=%s\n", p); - early_cachepolicy(&p); + early_cachepolicy(p); + return 0; } -__early_param("nocache", early_nocache); +early_param("nocache", early_nocache); -static void __init early_nowrite(char **__unused) +static int __init early_nowrite(char *__unused) { char *p = "uncached"; printk(KERN_WARNING "nowb is deprecated; use cachepolicy=%s\n", p); - early_cachepolicy(&p); + early_cachepolicy(p); + return 0; } -__early_param("nowb", early_nowrite); +early_param("nowb", early_nowrite); -static void __init early_ecc(char **p) +static int __init early_ecc(char *p) { - if (memcmp(*p, "on", 2) == 0) { + if (memcmp(p, "on", 2) == 0) ecc_mask = PMD_PROTECTION; - *p += 2; - } else if (memcmp(*p, "off", 3) == 0) { + else if (memcmp(p, "off", 3) == 0) ecc_mask = 0; - *p += 3; - } + return 0; } -__early_param("ecc=", early_ecc); +early_param("ecc", early_ecc); static int __init noalign_setup(char *__unused) { @@ -670,9 +670,9 @@ static unsigned long __initdata vmalloc_reserve = SZ_128M; * bytes. This can be used to increase (or decrease) the vmalloc * area - the default is 128m. */ -static void __init early_vmalloc(char **arg) +static int __init early_vmalloc(char *arg) { - vmalloc_reserve = memparse(*arg, arg); + vmalloc_reserve = memparse(arg, NULL); if (vmalloc_reserve < SZ_16M) { vmalloc_reserve = SZ_16M; @@ -687,8 +687,9 @@ static void __init early_vmalloc(char **arg) "vmalloc area is too big, limiting to %luMB\n", vmalloc_reserve >> 20); } + return 0; } -__early_param("vmalloc=", early_vmalloc); +early_param("vmalloc", early_vmalloc); #define VMALLOC_MIN (void *)(VMALLOC_END - vmalloc_reserve) diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 374a831..9bfeb6b 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -74,6 +74,12 @@ void __iomem *__arm_ioremap_pfn(unsigned long pfn, unsigned long offset, } EXPORT_SYMBOL(__arm_ioremap_pfn); +void __iomem *__arm_ioremap_pfn_caller(unsigned long pfn, unsigned long offset, + size_t size, unsigned int mtype, void *caller) +{ + return __arm_ioremap_pfn(pfn, offset, size, mtype); +} + void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) { @@ -81,6 +87,12 @@ void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size, } EXPORT_SYMBOL(__arm_ioremap); +void __iomem *__arm_ioremap(unsigned long phys_addr, size_t size, + unsigned int mtype, void *caller) +{ + return __arm_ioremap(phys_addr, size, mtype); +} + void __iounmap(volatile void __iomem *addr) { } diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S index 8012e24..72507c6 100644 --- a/arch/arm/mm/proc-arm1020.S +++ b/arch/arm/mm/proc-arm1020.S @@ -265,7 +265,7 @@ ENTRY(arm1020_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(arm1020_dma_inv_range) +arm1020_dma_inv_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE tst r0, #CACHE_DLINESIZE - 1 @@ -295,7 +295,7 @@ ENTRY(arm1020_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm1020_dma_clean_range) +arm1020_dma_clean_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE bic r0, r0, #CACHE_DLINESIZE - 1 @@ -330,6 +330,30 @@ ENTRY(arm1020_dma_flush_range) mcr p15, 0, ip, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1020_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm1020_dma_clean_range + bcs arm1020_dma_inv_range + b arm1020_dma_flush_range +ENDPROC(arm1020_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1020_dma_unmap_area) + mov pc, lr +ENDPROC(arm1020_dma_unmap_area) + ENTRY(arm1020_cache_fns) .long arm1020_flush_kern_cache_all .long arm1020_flush_user_cache_all @@ -337,8 +361,8 @@ ENTRY(arm1020_cache_fns) .long arm1020_coherent_kern_range .long arm1020_coherent_user_range .long arm1020_flush_kern_dcache_area - .long arm1020_dma_inv_range - .long arm1020_dma_clean_range + .long arm1020_dma_map_area + .long arm1020_dma_unmap_area .long arm1020_dma_flush_range .align 5 diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index 41fe25d..d278298 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -258,7 +258,7 @@ ENTRY(arm1020e_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(arm1020e_dma_inv_range) +arm1020e_dma_inv_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE tst r0, #CACHE_DLINESIZE - 1 @@ -284,7 +284,7 @@ ENTRY(arm1020e_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm1020e_dma_clean_range) +arm1020e_dma_clean_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE bic r0, r0, #CACHE_DLINESIZE - 1 @@ -316,6 +316,30 @@ ENTRY(arm1020e_dma_flush_range) mcr p15, 0, ip, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1020e_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm1020e_dma_clean_range + bcs arm1020e_dma_inv_range + b arm1020e_dma_flush_range +ENDPROC(arm1020e_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1020e_dma_unmap_area) + mov pc, lr +ENDPROC(arm1020e_dma_unmap_area) + ENTRY(arm1020e_cache_fns) .long arm1020e_flush_kern_cache_all .long arm1020e_flush_user_cache_all @@ -323,8 +347,8 @@ ENTRY(arm1020e_cache_fns) .long arm1020e_coherent_kern_range .long arm1020e_coherent_user_range .long arm1020e_flush_kern_dcache_area - .long arm1020e_dma_inv_range - .long arm1020e_dma_clean_range + .long arm1020e_dma_map_area + .long arm1020e_dma_unmap_area .long arm1020e_dma_flush_range .align 5 diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S index 20a5b1b..ce13e4a 100644 --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -247,7 +247,7 @@ ENTRY(arm1022_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(arm1022_dma_inv_range) +arm1022_dma_inv_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE tst r0, #CACHE_DLINESIZE - 1 @@ -273,7 +273,7 @@ ENTRY(arm1022_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm1022_dma_clean_range) +arm1022_dma_clean_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE bic r0, r0, #CACHE_DLINESIZE - 1 @@ -305,6 +305,30 @@ ENTRY(arm1022_dma_flush_range) mcr p15, 0, ip, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1022_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm1022_dma_clean_range + bcs arm1022_dma_inv_range + b arm1022_dma_flush_range +ENDPROC(arm1022_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1022_dma_unmap_area) + mov pc, lr +ENDPROC(arm1022_dma_unmap_area) + ENTRY(arm1022_cache_fns) .long arm1022_flush_kern_cache_all .long arm1022_flush_user_cache_all @@ -312,8 +336,8 @@ ENTRY(arm1022_cache_fns) .long arm1022_coherent_kern_range .long arm1022_coherent_user_range .long arm1022_flush_kern_dcache_area - .long arm1022_dma_inv_range - .long arm1022_dma_clean_range + .long arm1022_dma_map_area + .long arm1022_dma_unmap_area .long arm1022_dma_flush_range .align 5 diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S index 96aedb1..636672a 100644 --- a/arch/arm/mm/proc-arm1026.S +++ b/arch/arm/mm/proc-arm1026.S @@ -241,7 +241,7 @@ ENTRY(arm1026_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(arm1026_dma_inv_range) +arm1026_dma_inv_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE tst r0, #CACHE_DLINESIZE - 1 @@ -267,7 +267,7 @@ ENTRY(arm1026_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm1026_dma_clean_range) +arm1026_dma_clean_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE bic r0, r0, #CACHE_DLINESIZE - 1 @@ -299,6 +299,30 @@ ENTRY(arm1026_dma_flush_range) mcr p15, 0, ip, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1026_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm1026_dma_clean_range + bcs arm1026_dma_inv_range + b arm1026_dma_flush_range +ENDPROC(arm1026_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1026_dma_unmap_area) + mov pc, lr +ENDPROC(arm1026_dma_unmap_area) + ENTRY(arm1026_cache_fns) .long arm1026_flush_kern_cache_all .long arm1026_flush_user_cache_all @@ -306,8 +330,8 @@ ENTRY(arm1026_cache_fns) .long arm1026_coherent_kern_range .long arm1026_coherent_user_range .long arm1026_flush_kern_dcache_area - .long arm1026_dma_inv_range - .long arm1026_dma_clean_range + .long arm1026_dma_map_area + .long arm1026_dma_unmap_area .long arm1026_dma_flush_range .align 5 diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S index 471669e..8be8199 100644 --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -239,7 +239,7 @@ ENTRY(arm920_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(arm920_dma_inv_range) +arm920_dma_inv_range: tst r0, #CACHE_DLINESIZE - 1 bic r0, r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry @@ -262,7 +262,7 @@ ENTRY(arm920_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm920_dma_clean_range) +arm920_dma_clean_range: bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHE_DLINESIZE @@ -288,6 +288,30 @@ ENTRY(arm920_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm920_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm920_dma_clean_range + bcs arm920_dma_inv_range + b arm920_dma_flush_range +ENDPROC(arm920_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm920_dma_unmap_area) + mov pc, lr +ENDPROC(arm920_dma_unmap_area) + ENTRY(arm920_cache_fns) .long arm920_flush_kern_cache_all .long arm920_flush_user_cache_all @@ -295,8 +319,8 @@ ENTRY(arm920_cache_fns) .long arm920_coherent_kern_range .long arm920_coherent_user_range .long arm920_flush_kern_dcache_area - .long arm920_dma_inv_range - .long arm920_dma_clean_range + .long arm920_dma_map_area + .long arm920_dma_unmap_area .long arm920_dma_flush_range #endif diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S index ee111b0..c0ff8e4 100644 --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -241,7 +241,7 @@ ENTRY(arm922_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(arm922_dma_inv_range) +arm922_dma_inv_range: tst r0, #CACHE_DLINESIZE - 1 bic r0, r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry @@ -264,7 +264,7 @@ ENTRY(arm922_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm922_dma_clean_range) +arm922_dma_clean_range: bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHE_DLINESIZE @@ -290,6 +290,30 @@ ENTRY(arm922_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm922_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm922_dma_clean_range + bcs arm922_dma_inv_range + b arm922_dma_flush_range +ENDPROC(arm922_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm922_dma_unmap_area) + mov pc, lr +ENDPROC(arm922_dma_unmap_area) + ENTRY(arm922_cache_fns) .long arm922_flush_kern_cache_all .long arm922_flush_user_cache_all @@ -297,8 +321,8 @@ ENTRY(arm922_cache_fns) .long arm922_coherent_kern_range .long arm922_coherent_user_range .long arm922_flush_kern_dcache_area - .long arm922_dma_inv_range - .long arm922_dma_clean_range + .long arm922_dma_map_area + .long arm922_dma_unmap_area .long arm922_dma_flush_range #endif diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S index 8deb5bd..3c6cffe 100644 --- a/arch/arm/mm/proc-arm925.S +++ b/arch/arm/mm/proc-arm925.S @@ -283,7 +283,7 @@ ENTRY(arm925_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(arm925_dma_inv_range) +arm925_dma_inv_range: #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH tst r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry @@ -308,7 +308,7 @@ ENTRY(arm925_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm925_dma_clean_range) +arm925_dma_clean_range: #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry @@ -341,6 +341,30 @@ ENTRY(arm925_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm925_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm925_dma_clean_range + bcs arm925_dma_inv_range + b arm925_dma_flush_range +ENDPROC(arm925_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm925_dma_unmap_area) + mov pc, lr +ENDPROC(arm925_dma_unmap_area) + ENTRY(arm925_cache_fns) .long arm925_flush_kern_cache_all .long arm925_flush_user_cache_all @@ -348,8 +372,8 @@ ENTRY(arm925_cache_fns) .long arm925_coherent_kern_range .long arm925_coherent_user_range .long arm925_flush_kern_dcache_area - .long arm925_dma_inv_range - .long arm925_dma_clean_range + .long arm925_dma_map_area + .long arm925_dma_unmap_area .long arm925_dma_flush_range ENTRY(cpu_arm925_dcache_clean_area) diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index 64db6e2..75b707c 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -246,7 +246,7 @@ ENTRY(arm926_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(arm926_dma_inv_range) +arm926_dma_inv_range: #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH tst r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry @@ -271,7 +271,7 @@ ENTRY(arm926_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm926_dma_clean_range) +arm926_dma_clean_range: #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry @@ -304,6 +304,30 @@ ENTRY(arm926_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm926_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm926_dma_clean_range + bcs arm926_dma_inv_range + b arm926_dma_flush_range +ENDPROC(arm926_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm926_dma_unmap_area) + mov pc, lr +ENDPROC(arm926_dma_unmap_area) + ENTRY(arm926_cache_fns) .long arm926_flush_kern_cache_all .long arm926_flush_user_cache_all @@ -311,8 +335,8 @@ ENTRY(arm926_cache_fns) .long arm926_coherent_kern_range .long arm926_coherent_user_range .long arm926_flush_kern_dcache_area - .long arm926_dma_inv_range - .long arm926_dma_clean_range + .long arm926_dma_map_area + .long arm926_dma_unmap_area .long arm926_dma_flush_range ENTRY(cpu_arm926_dcache_clean_area) diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S index 8196b9f..1af1657 100644 --- a/arch/arm/mm/proc-arm940.S +++ b/arch/arm/mm/proc-arm940.S @@ -171,7 +171,7 @@ ENTRY(arm940_flush_kern_dcache_area) * - start - virtual start address * - end - virtual end address */ -ENTRY(arm940_dma_inv_range) +arm940_dma_inv_range: mov ip, #0 mov r1, #(CACHE_DSEGMENTS - 1) << 4 @ 4 segments 1: orr r3, r1, #(CACHE_DENTRIES - 1) << 26 @ 64 entries @@ -192,7 +192,7 @@ ENTRY(arm940_dma_inv_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(arm940_dma_clean_range) +arm940_dma_clean_range: ENTRY(cpu_arm940_dcache_clean_area) mov ip, #0 #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH @@ -233,6 +233,30 @@ ENTRY(arm940_dma_flush_range) mcr p15, 0, ip, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm940_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm940_dma_clean_range + bcs arm940_dma_inv_range + b arm940_dma_flush_range +ENDPROC(arm940_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm940_dma_unmap_area) + mov pc, lr +ENDPROC(arm940_dma_unmap_area) + ENTRY(arm940_cache_fns) .long arm940_flush_kern_cache_all .long arm940_flush_user_cache_all @@ -240,8 +264,8 @@ ENTRY(arm940_cache_fns) .long arm940_coherent_kern_range .long arm940_coherent_user_range .long arm940_flush_kern_dcache_area - .long arm940_dma_inv_range - .long arm940_dma_clean_range + .long arm940_dma_map_area + .long arm940_dma_unmap_area .long arm940_dma_flush_range __INIT diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S index 9a95123..1664b6a 100644 --- a/arch/arm/mm/proc-arm946.S +++ b/arch/arm/mm/proc-arm946.S @@ -215,7 +215,7 @@ ENTRY(arm946_flush_kern_dcache_area) * - end - virtual end address * (same as arm926) */ -ENTRY(arm946_dma_inv_range) +arm946_dma_inv_range: #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH tst r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry @@ -240,7 +240,7 @@ ENTRY(arm946_dma_inv_range) * * (same as arm926) */ -ENTRY(arm946_dma_clean_range) +arm946_dma_clean_range: #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry @@ -275,6 +275,30 @@ ENTRY(arm946_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm946_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm946_dma_clean_range + bcs arm946_dma_inv_range + b arm946_dma_flush_range +ENDPROC(arm946_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm946_dma_unmap_area) + mov pc, lr +ENDPROC(arm946_dma_unmap_area) + ENTRY(arm946_cache_fns) .long arm946_flush_kern_cache_all .long arm946_flush_user_cache_all @@ -282,8 +306,8 @@ ENTRY(arm946_cache_fns) .long arm946_coherent_kern_range .long arm946_coherent_user_range .long arm946_flush_kern_dcache_area - .long arm946_dma_inv_range - .long arm946_dma_clean_range + .long arm946_dma_map_area + .long arm946_dma_unmap_area .long arm946_dma_flush_range diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S index dbc3938..53e6323 100644 --- a/arch/arm/mm/proc-feroceon.S +++ b/arch/arm/mm/proc-feroceon.S @@ -274,7 +274,7 @@ ENTRY(feroceon_range_flush_kern_dcache_area) * (same as v4wb) */ .align 5 -ENTRY(feroceon_dma_inv_range) +feroceon_dma_inv_range: tst r0, #CACHE_DLINESIZE - 1 bic r0, r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry @@ -288,7 +288,7 @@ ENTRY(feroceon_dma_inv_range) mov pc, lr .align 5 -ENTRY(feroceon_range_dma_inv_range) +feroceon_range_dma_inv_range: mrs r2, cpsr tst r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry @@ -314,7 +314,7 @@ ENTRY(feroceon_range_dma_inv_range) * (same as v4wb) */ .align 5 -ENTRY(feroceon_dma_clean_range) +feroceon_dma_clean_range: bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHE_DLINESIZE @@ -324,7 +324,7 @@ ENTRY(feroceon_dma_clean_range) mov pc, lr .align 5 -ENTRY(feroceon_range_dma_clean_range) +feroceon_range_dma_clean_range: mrs r2, cpsr cmp r1, r0 subne r1, r1, #1 @ top address is inclusive @@ -367,6 +367,44 @@ ENTRY(feroceon_range_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(feroceon_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq feroceon_dma_clean_range + bcs feroceon_dma_inv_range + b feroceon_dma_flush_range +ENDPROC(feroceon_dma_map_area) + +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(feroceon_range_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq feroceon_range_dma_clean_range + bcs feroceon_range_dma_inv_range + b feroceon_range_dma_flush_range +ENDPROC(feroceon_range_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(feroceon_dma_unmap_area) + mov pc, lr +ENDPROC(feroceon_dma_unmap_area) + ENTRY(feroceon_cache_fns) .long feroceon_flush_kern_cache_all .long feroceon_flush_user_cache_all @@ -374,8 +412,8 @@ ENTRY(feroceon_cache_fns) .long feroceon_coherent_kern_range .long feroceon_coherent_user_range .long feroceon_flush_kern_dcache_area - .long feroceon_dma_inv_range - .long feroceon_dma_clean_range + .long feroceon_dma_map_area + .long feroceon_dma_unmap_area .long feroceon_dma_flush_range ENTRY(feroceon_range_cache_fns) @@ -385,8 +423,8 @@ ENTRY(feroceon_range_cache_fns) .long feroceon_coherent_kern_range .long feroceon_coherent_user_range .long feroceon_range_flush_kern_dcache_area - .long feroceon_range_dma_inv_range - .long feroceon_range_dma_clean_range + .long feroceon_range_dma_map_area + .long feroceon_dma_unmap_area .long feroceon_range_dma_flush_range .align 5 diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S index 9674d36..caa3115 100644 --- a/arch/arm/mm/proc-mohawk.S +++ b/arch/arm/mm/proc-mohawk.S @@ -218,7 +218,7 @@ ENTRY(mohawk_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(mohawk_dma_inv_range) +mohawk_dma_inv_range: tst r0, #CACHE_DLINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry tst r1, #CACHE_DLINESIZE - 1 @@ -241,7 +241,7 @@ ENTRY(mohawk_dma_inv_range) * * (same as v4wb) */ -ENTRY(mohawk_dma_clean_range) +mohawk_dma_clean_range: bic r0, r0, #CACHE_DLINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHE_DLINESIZE @@ -268,6 +268,30 @@ ENTRY(mohawk_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(mohawk_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq mohawk_dma_clean_range + bcs mohawk_dma_inv_range + b mohawk_dma_flush_range +ENDPROC(mohawk_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(mohawk_dma_unmap_area) + mov pc, lr +ENDPROC(mohawk_dma_unmap_area) + ENTRY(mohawk_cache_fns) .long mohawk_flush_kern_cache_all .long mohawk_flush_user_cache_all @@ -275,8 +299,8 @@ ENTRY(mohawk_cache_fns) .long mohawk_coherent_kern_range .long mohawk_coherent_user_range .long mohawk_flush_kern_dcache_area - .long mohawk_dma_inv_range - .long mohawk_dma_clean_range + .long mohawk_dma_map_area + .long mohawk_dma_unmap_area .long mohawk_dma_flush_range ENTRY(cpu_mohawk_dcache_clean_area) diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index 8e4f6dc..e5797f1 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -257,7 +257,7 @@ ENTRY(xsc3_flush_kern_dcache_area) * - start - virtual start address * - end - virtual end address */ -ENTRY(xsc3_dma_inv_range) +xsc3_dma_inv_range: tst r0, #CACHELINESIZE - 1 bic r0, r0, #CACHELINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean L1 D line @@ -278,7 +278,7 @@ ENTRY(xsc3_dma_inv_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(xsc3_dma_clean_range) +xsc3_dma_clean_range: bic r0, r0, #CACHELINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean L1 D line add r0, r0, #CACHELINESIZE @@ -304,6 +304,30 @@ ENTRY(xsc3_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ data write barrier mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(xsc3_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq xsc3_dma_clean_range + bcs xsc3_dma_inv_range + b xsc3_dma_flush_range +ENDPROC(xsc3_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(xsc3_dma_unmap_area) + mov pc, lr +ENDPROC(xsc3_dma_unmap_area) + ENTRY(xsc3_cache_fns) .long xsc3_flush_kern_cache_all .long xsc3_flush_user_cache_all @@ -311,8 +335,8 @@ ENTRY(xsc3_cache_fns) .long xsc3_coherent_kern_range .long xsc3_coherent_user_range .long xsc3_flush_kern_dcache_area - .long xsc3_dma_inv_range - .long xsc3_dma_clean_range + .long xsc3_dma_map_area + .long xsc3_dma_unmap_area .long xsc3_dma_flush_range ENTRY(cpu_xsc3_dcache_clean_area) diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 93df472..63037e2 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -315,7 +315,7 @@ ENTRY(xscale_flush_kern_dcache_area) * - start - virtual start address * - end - virtual end address */ -ENTRY(xscale_dma_inv_range) +xscale_dma_inv_range: tst r0, #CACHELINESIZE - 1 bic r0, r0, #CACHELINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry @@ -336,7 +336,7 @@ ENTRY(xscale_dma_inv_range) * - start - virtual start address * - end - virtual end address */ -ENTRY(xscale_dma_clean_range) +xscale_dma_clean_range: bic r0, r0, #CACHELINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHELINESIZE @@ -363,6 +363,43 @@ ENTRY(xscale_dma_flush_range) mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(xscale_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq xscale_dma_clean_range + bcs xscale_dma_inv_range + b xscale_dma_flush_range +ENDPROC(xscale_dma_map_area) + +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(xscale_dma_a0_map_area) + add r1, r1, r0 + teq r2, #DMA_TO_DEVICE + beq xscale_dma_clean_range + b xscale_dma_flush_range +ENDPROC(xscsale_dma_a0_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(xscale_dma_unmap_area) + mov pc, lr +ENDPROC(xscale_dma_unmap_area) + ENTRY(xscale_cache_fns) .long xscale_flush_kern_cache_all .long xscale_flush_user_cache_all @@ -370,8 +407,8 @@ ENTRY(xscale_cache_fns) .long xscale_coherent_kern_range .long xscale_coherent_user_range .long xscale_flush_kern_dcache_area - .long xscale_dma_inv_range - .long xscale_dma_clean_range + .long xscale_dma_map_area + .long xscale_dma_unmap_area .long xscale_dma_flush_range /* @@ -394,8 +431,8 @@ ENTRY(xscale_80200_A0_A1_cache_fns) .long xscale_coherent_kern_range .long xscale_coherent_user_range .long xscale_flush_kern_dcache_area - .long xscale_dma_flush_range - .long xscale_dma_clean_range + .long xscale_dma_a0_map_area + .long xscale_dma_unmap_area .long xscale_dma_flush_range ENTRY(cpu_xscale_dcache_clean_area) diff --git a/arch/arm/oprofile/op_model_arm11_core.c b/arch/arm/oprofile/op_model_arm11_core.c index ad80752..ef3e265 100644 --- a/arch/arm/oprofile/op_model_arm11_core.c +++ b/arch/arm/oprofile/op_model_arm11_core.c @@ -132,7 +132,7 @@ static irqreturn_t arm11_pmu_interrupt(int irq, void *arg) return IRQ_HANDLED; } -int arm11_request_interrupts(int *irqs, int nr) +int arm11_request_interrupts(const int *irqs, int nr) { unsigned int i; int ret = 0; @@ -153,7 +153,7 @@ int arm11_request_interrupts(int *irqs, int nr) return ret; } -void arm11_release_interrupts(int *irqs, int nr) +void arm11_release_interrupts(const int *irqs, int nr) { unsigned int i; diff --git a/arch/arm/oprofile/op_model_arm11_core.h b/arch/arm/oprofile/op_model_arm11_core.h index 6f8538e..1902b99 100644 --- a/arch/arm/oprofile/op_model_arm11_core.h +++ b/arch/arm/oprofile/op_model_arm11_core.h @@ -39,7 +39,7 @@ int arm11_setup_pmu(void); int arm11_start_pmu(void); int arm11_stop_pmu(void); -int arm11_request_interrupts(int *, int); -void arm11_release_interrupts(int *, int); +int arm11_request_interrupts(const int *, int); +void arm11_release_interrupts(const int *, int); #endif diff --git a/arch/arm/oprofile/op_model_mpcore.c b/arch/arm/oprofile/op_model_mpcore.c index 4ce0f98..f73ce87 100644 --- a/arch/arm/oprofile/op_model_mpcore.c +++ b/arch/arm/oprofile/op_model_mpcore.c @@ -32,6 +32,7 @@ /* #define DEBUG */ #include <linux/types.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/sched.h> #include <linux/oprofile.h> #include <linux/interrupt.h> @@ -43,6 +44,7 @@ #include <mach/hardware.h> #include <mach/board-eb.h> #include <asm/system.h> +#include <asm/pmu.h> #include "op_counter.h" #include "op_arm_model.h" @@ -58,6 +60,7 @@ * Bitmask of used SCU counters */ static unsigned int scu_em_used; +static const struct pmu_irqs *pmu_irqs; /* * 2 helper fns take a counter number from 0-7 (not the userspace-visible counter number) @@ -225,33 +228,40 @@ static int em_setup_ctrs(void) return 0; } -static int arm11_irqs[] = { - [0] = IRQ_EB11MP_PMU_CPU0, - [1] = IRQ_EB11MP_PMU_CPU1, - [2] = IRQ_EB11MP_PMU_CPU2, - [3] = IRQ_EB11MP_PMU_CPU3 -}; - static int em_start(void) { int ret; - ret = arm11_request_interrupts(arm11_irqs, ARRAY_SIZE(arm11_irqs)); + pmu_irqs = reserve_pmu(); + if (IS_ERR(pmu_irqs)) { + ret = PTR_ERR(pmu_irqs); + goto out; + } + + ret = arm11_request_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs); if (ret == 0) { em_call_function(arm11_start_pmu); ret = scu_start(); - if (ret) - arm11_release_interrupts(arm11_irqs, ARRAY_SIZE(arm11_irqs)); + if (ret) { + arm11_release_interrupts(pmu_irqs->irqs, + pmu_irqs->num_irqs); + } else { + release_pmu(pmu_irqs); + pmu_irqs = NULL; + } } + +out: return ret; } static void em_stop(void) { em_call_function(arm11_stop_pmu); - arm11_release_interrupts(arm11_irqs, ARRAY_SIZE(arm11_irqs)); + arm11_release_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs); scu_stop(); + release_pmu(pmu_irqs); } /* @@ -283,15 +293,7 @@ static int em_setup(void) em_route_irq(IRQ_EB11MP_PMU_SCU6, 3); em_route_irq(IRQ_EB11MP_PMU_SCU7, 3); - /* - * Send CP15 PMU interrupts to the owner CPU. - */ - em_route_irq(IRQ_EB11MP_PMU_CPU0, 0); - em_route_irq(IRQ_EB11MP_PMU_CPU1, 1); - em_route_irq(IRQ_EB11MP_PMU_CPU2, 2); - em_route_irq(IRQ_EB11MP_PMU_CPU3, 3); - - return 0; + return init_pmu(); } struct op_arm_model_spec op_mpcore_spec = { diff --git a/arch/arm/oprofile/op_model_v6.c b/arch/arm/oprofile/op_model_v6.c index f7d2ec5..a22357a 100644 --- a/arch/arm/oprofile/op_model_v6.c +++ b/arch/arm/oprofile/op_model_v6.c @@ -19,39 +19,47 @@ /* #define DEBUG */ #include <linux/types.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/sched.h> #include <linux/oprofile.h> #include <linux/interrupt.h> #include <asm/irq.h> #include <asm/system.h> +#include <asm/pmu.h> #include "op_counter.h" #include "op_arm_model.h" #include "op_model_arm11_core.h" -static int irqs[] = { -#ifdef CONFIG_ARCH_OMAP2 - 3, -#endif -#ifdef CONFIG_ARCH_BCMRING - IRQ_PMUIRQ, /* for BCMRING, ARM PMU interrupt is 43 */ -#endif -}; +static const struct pmu_irqs *pmu_irqs; static void armv6_pmu_stop(void) { arm11_stop_pmu(); - arm11_release_interrupts(irqs, ARRAY_SIZE(irqs)); + arm11_release_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs); + release_pmu(pmu_irqs); + pmu_irqs = NULL; } static int armv6_pmu_start(void) { int ret; - ret = arm11_request_interrupts(irqs, ARRAY_SIZE(irqs)); - if (ret >= 0) + pmu_irqs = reserve_pmu(); + if (IS_ERR(pmu_irqs)) { + ret = PTR_ERR(pmu_irqs); + goto out; + } + + ret = arm11_request_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs); + if (ret >= 0) { ret = arm11_start_pmu(); + } else { + release_pmu(pmu_irqs); + pmu_irqs = NULL; + } +out: return ret; } diff --git a/arch/arm/oprofile/op_model_v7.c b/arch/arm/oprofile/op_model_v7.c index 2088a6c..8642d08 100644 --- a/arch/arm/oprofile/op_model_v7.c +++ b/arch/arm/oprofile/op_model_v7.c @@ -11,11 +11,14 @@ */ #include <linux/types.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/oprofile.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/smp.h> +#include <asm/pmu.h> + #include "op_counter.h" #include "op_arm_model.h" #include "op_model_v7.h" @@ -295,7 +298,7 @@ static irqreturn_t armv7_pmnc_interrupt(int irq, void *arg) return IRQ_HANDLED; } -int armv7_request_interrupts(int *irqs, int nr) +int armv7_request_interrupts(const int *irqs, int nr) { unsigned int i; int ret = 0; @@ -318,7 +321,7 @@ int armv7_request_interrupts(int *irqs, int nr) return ret; } -void armv7_release_interrupts(int *irqs, int nr) +void armv7_release_interrupts(const int *irqs, int nr) { unsigned int i; @@ -362,12 +365,7 @@ static void armv7_pmnc_dump_regs(void) } #endif - -static int irqs[] = { -#ifdef CONFIG_ARCH_OMAP3 - INT_34XX_BENCH_MPU_EMUL, -#endif -}; +static const struct pmu_irqs *pmu_irqs; static void armv7_pmnc_stop(void) { @@ -375,19 +373,29 @@ static void armv7_pmnc_stop(void) armv7_pmnc_dump_regs(); #endif armv7_stop_pmnc(); - armv7_release_interrupts(irqs, ARRAY_SIZE(irqs)); + armv7_release_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs); + release_pmu(pmu_irqs); + pmu_irqs = NULL; } static int armv7_pmnc_start(void) { int ret; + pmu_irqs = reserve_pmu(); + if (IS_ERR(pmu_irqs)) + return PTR_ERR(pmu_irqs); + #ifdef DEBUG armv7_pmnc_dump_regs(); #endif - ret = armv7_request_interrupts(irqs, ARRAY_SIZE(irqs)); - if (ret >= 0) + ret = armv7_request_interrupts(pmu_irqs->irqs, pmu_irqs->num_irqs); + if (ret >= 0) { armv7_start_pmnc(); + } else { + release_pmu(pmu_irqs); + pmu_irqs = NULL; + } return ret; } diff --git a/arch/arm/oprofile/op_model_v7.h b/arch/arm/oprofile/op_model_v7.h index 0e19bcc..9ca334b 100644 --- a/arch/arm/oprofile/op_model_v7.h +++ b/arch/arm/oprofile/op_model_v7.h @@ -97,7 +97,7 @@ int armv7_setup_pmu(void); int armv7_start_pmu(void); int armv7_stop_pmu(void); -int armv7_request_interrupts(int *, int); -void armv7_release_interrupts(int *, int); +int armv7_request_interrupts(const int *, int); +void armv7_release_interrupts(const int *, int); #endif diff --git a/arch/arm/oprofile/op_model_xscale.c b/arch/arm/oprofile/op_model_xscale.c index 724ab9c..1d34a02 100644 --- a/arch/arm/oprofile/op_model_xscale.c +++ b/arch/arm/oprofile/op_model_xscale.c @@ -17,12 +17,14 @@ /* #define DEBUG */ #include <linux/types.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/sched.h> #include <linux/oprofile.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <asm/cputype.h> +#include <asm/pmu.h> #include "op_counter.h" #include "op_arm_model.h" @@ -33,17 +35,6 @@ #define PMU_RESET (CCNT_RESET | PMN_RESET) #define PMU_CNT64 0x008 /* Make CCNT count every 64th cycle */ -/* TODO do runtime detection */ -#ifdef CONFIG_ARCH_IOP32X -#define XSCALE_PMU_IRQ IRQ_IOP32X_CORE_PMU -#endif -#ifdef CONFIG_ARCH_IOP33X -#define XSCALE_PMU_IRQ IRQ_IOP33X_CORE_PMU -#endif -#ifdef CONFIG_ARCH_PXA -#define XSCALE_PMU_IRQ IRQ_PMU -#endif - /* * Different types of events that can be counted by the XScale PMU * as used by Oprofile userspace. Here primarily for documentation @@ -367,6 +358,8 @@ static irqreturn_t xscale_pmu_interrupt(int irq, void *arg) return IRQ_HANDLED; } +static const struct pmu_irqs *pmu_irqs; + static void xscale_pmu_stop(void) { u32 pmnc = read_pmnc(); @@ -374,20 +367,30 @@ static void xscale_pmu_stop(void) pmnc &= ~PMU_ENABLE; write_pmnc(pmnc); - free_irq(XSCALE_PMU_IRQ, results); + free_irq(pmu_irqs->irqs[0], results); + release_pmu(pmu_irqs); + pmu_irqs = NULL; } static int xscale_pmu_start(void) { int ret; - u32 pmnc = read_pmnc(); + u32 pmnc; + + pmu_irqs = reserve_pmu(); + if (IS_ERR(pmu_irqs)) + return PTR_ERR(pmu_irqs); + + pmnc = read_pmnc(); - ret = request_irq(XSCALE_PMU_IRQ, xscale_pmu_interrupt, IRQF_DISABLED, - "XScale PMU", (void *)results); + ret = request_irq(pmu_irqs->irqs[0], xscale_pmu_interrupt, + IRQF_DISABLED, "XScale PMU", (void *)results); if (ret < 0) { printk(KERN_ERR "oprofile: unable to request IRQ%d for XScale PMU\n", - XSCALE_PMU_IRQ); + pmu_irqs->irqs[0]); + release_pmu(pmu_irqs); + pmu_irqs = NULL; return ret; } diff --git a/arch/arm/plat-iop/io.c b/arch/arm/plat-iop/io.c index ed0bbec..e15bc17 100644 --- a/arch/arm/plat-iop/io.c +++ b/arch/arm/plat-iop/io.c @@ -34,7 +34,8 @@ void * __iomem __iop3xx_ioremap(unsigned long cookie, size_t size, retval = (void *) IOP3XX_PMMR_PHYS_TO_VIRT(cookie); break; default: - retval = __arm_ioremap(cookie, size, mtype); + retval = __arm_ioremap_caller(cookie, size, mtype, + __builtin_return_address(0)); } return retval; diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S index 15b2b14..5a6ae1b 100644 --- a/arch/arm/plat-mxc/include/mach/debug-macro.S +++ b/arch/arm/plat-mxc/include/mach/debug-macro.S @@ -52,7 +52,7 @@ #define UART_PADDR MXC91231_UART2_BASE_ADDR #define UART_VADDR MXC91231_AIPS1_IO_ADDRESS(MXC91231_UART2_BASE_ADDR) #endif - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? ldreq \rx, =UART_PADDR @ physical diff --git a/arch/arm/plat-mxc/include/mach/vmalloc.h b/arch/arm/plat-mxc/include/mach/vmalloc.h index 62d9762..44243a2 100644 --- a/arch/arm/plat-mxc/include/mach/vmalloc.h +++ b/arch/arm/plat-mxc/include/mach/vmalloc.h @@ -21,6 +21,6 @@ #define __ASM_ARCH_MXC_VMALLOC_H__ /* vmalloc ending address */ -#define VMALLOC_END 0xF4000000 +#define VMALLOC_END 0xf4000000UL #endif /* __ASM_ARCH_MXC_VMALLOC_H__ */ diff --git a/arch/arm/plat-nomadik/include/plat/i2c.h b/arch/arm/plat-nomadik/include/plat/i2c.h new file mode 100644 index 0000000..1621db6 --- /dev/null +++ b/arch/arm/plat-nomadik/include/plat/i2c.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2009 ST-Ericsson + * + * 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. + */ +#ifndef __PLAT_I2C_H +#define __PLAT_I2C_H + +enum i2c_freq_mode { + I2C_FREQ_MODE_STANDARD, /* up to 100 Kb/s */ + I2C_FREQ_MODE_FAST, /* up to 400 Kb/s */ + I2C_FREQ_MODE_FAST_PLUS, /* up to 1 Mb/s */ + I2C_FREQ_MODE_HIGH_SPEED /* up to 3.4 Mb/s */ +}; + +/** + * struct nmk_i2c_controller - client specific controller configuration + * @clk_freq: clock frequency for the operation mode + * @slsu: Slave data setup time in ns. + * The needed setup time for three modes of operation + * are 250ns, 100ns and 10ns respectively thus leading + * to the values of 14, 6, 2 for a 48 MHz i2c clk + * @tft: Tx FIFO Threshold in bytes + * @rft: Rx FIFO Threshold in bytes + * @sm: speed mode + */ +struct nmk_i2c_controller { + unsigned long clk_freq; + unsigned short slsu; + unsigned char tft; + unsigned char rft; + enum i2c_freq_mode sm; +}; + +#endif /* __PLAT_I2C_H */ diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index e2ea04a..2e3eec6 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -22,6 +22,7 @@ config ARCH_OMAP3 bool "TI OMAP3" select CPU_V7 select COMMON_CLKDEV + select ARM_L1_CACHE_SHIFT_6 config ARCH_OMAP4 bool "TI OMAP4" diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h b/arch/arm/plat-omap/include/plat/omap44xx.h index ef870de..c7d628e 100644 --- a/arch/arm/plat-omap/include/plat/omap44xx.h +++ b/arch/arm/plat-omap/include/plat/omap44xx.h @@ -40,6 +40,7 @@ #define OMAP44XX_GIC_CPU_BASE 0x48240100 #define OMAP44XX_SCU_BASE 0x48240000 #define OMAP44XX_LOCAL_TWD_BASE 0x48240600 +#define OMAP44XX_L2CACHE_BASE 0x48242000 #define OMAP44XX_WKUPGEN_BASE 0x48281000 #define OMAP44XX_MAILBOX_BASE (L4_44XX_BASE + 0xF4000) diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c index 0cfd54f..4cbd4fb 100644 --- a/arch/arm/plat-omap/io.c +++ b/arch/arm/plat-omap/io.c @@ -128,7 +128,7 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type) return XLATE(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_VIRT); } #endif - return __arm_ioremap(p, size, type); + return __arm_ioremap_caller(p, size, type, __builtin_return_address(0)); } EXPORT_SYMBOL(omap_ioremap); diff --git a/arch/arm/plat-s3c/include/mach/vmalloc.h b/arch/arm/plat-s3c/include/mach/vmalloc.h index bfd2ca6..299d95f 100644 --- a/arch/arm/plat-s3c/include/mach/vmalloc.h +++ b/arch/arm/plat-s3c/include/mach/vmalloc.h @@ -15,6 +15,6 @@ #ifndef __ASM_ARCH_VMALLOC_H #define __ASM_ARCH_VMALLOC_H -#define VMALLOC_END (0xE0000000) +#define VMALLOC_END (0xe0000000UL) #endif /* __ASM_ARCH_VMALLOC_H */ diff --git a/arch/arm/plat-stmp3xxx/clock.c b/arch/arm/plat-stmp3xxx/clock.c index 5d2f19a..e593a2a 100644 --- a/arch/arm/plat-stmp3xxx/clock.c +++ b/arch/arm/plat-stmp3xxx/clock.c @@ -1126,9 +1126,8 @@ static int __init clk_init(void) if (ops && ops->set_parent) ops->set_parent(cl->clk, cl->clk->parent); } - - clkdev_add(cl); } + clkdev_add_table(onchip_clks, ARRAY_SIZE(onchip_clks)); return 0; } diff --git a/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S b/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S index fb3b969..1b9348b 100644 --- a/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S +++ b/arch/arm/plat-stmp3xxx/include/mach/debug-macro.S @@ -16,7 +16,7 @@ * http://www.gnu.org/copyleft/gpl.html */ - .macro addruart,rx + .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0x80000000 @ physical base address diff --git a/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h b/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h index 541b880..943c1a2 100644 --- a/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h +++ b/arch/arm/plat-stmp3xxx/include/mach/vmalloc.h @@ -9,4 +9,4 @@ * http://www.opensource.org/licenses/gpl-license.html * http://www.gnu.org/copyleft/gpl.html */ -#define VMALLOC_END (0xF0000000) +#define VMALLOC_END 0xf0000000UL diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index a63c4be..7f3f59f 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -433,7 +433,11 @@ static inline void vfp_pm_init(void) { } * saved one. This function is used by the ptrace mechanism. */ #ifdef CONFIG_SMP -void vfp_sync_state(struct thread_info *thread) +void vfp_sync_hwstate(struct thread_info *thread) +{ +} + +void vfp_flush_hwstate(struct thread_info *thread) { /* * On SMP systems, the VFP state is automatically saved at every @@ -444,35 +448,48 @@ void vfp_sync_state(struct thread_info *thread) thread->vfpstate.hard.cpu = NR_CPUS; } #else -void vfp_sync_state(struct thread_info *thread) +void vfp_sync_hwstate(struct thread_info *thread) { unsigned int cpu = get_cpu(); - u32 fpexc = fmrx(FPEXC); /* - * If VFP is enabled, the previous state was already saved and - * last_VFP_context updated. + * If the thread we're interested in is the current owner of the + * hardware VFP state, then we need to save its state. */ - if (fpexc & FPEXC_EN) - goto out; + if (last_VFP_context[cpu] == &thread->vfpstate) { + u32 fpexc = fmrx(FPEXC); - if (!last_VFP_context[cpu]) - goto out; + /* + * Save the last VFP state on this CPU. + */ + fmxr(FPEXC, fpexc | FPEXC_EN); + vfp_save_state(&thread->vfpstate, fpexc | FPEXC_EN); + fmxr(FPEXC, fpexc); + } - /* - * Save the last VFP state on this CPU. - */ - fmxr(FPEXC, fpexc | FPEXC_EN); - vfp_save_state(last_VFP_context[cpu], fpexc); - fmxr(FPEXC, fpexc); + put_cpu(); +} + +void vfp_flush_hwstate(struct thread_info *thread) +{ + unsigned int cpu = get_cpu(); /* - * Set the context to NULL to force a reload the next time the thread - * uses the VFP. + * If the thread we're interested in is the current owner of the + * hardware VFP state, then we need to save its state. */ - last_VFP_context[cpu] = NULL; + if (last_VFP_context[cpu] == &thread->vfpstate) { + u32 fpexc = fmrx(FPEXC); + + fmxr(FPEXC, fpexc & ~FPEXC_EN); + + /* + * Set the context to NULL to force a reload the next time + * the thread uses the VFP. + */ + last_VFP_context[cpu] = NULL; + } -out: put_cpu(); } #endif diff --git a/arch/avr32/include/asm/pgtable.h b/arch/avr32/include/asm/pgtable.h index fecdda1..a9ae30c 100644 --- a/arch/avr32/include/asm/pgtable.h +++ b/arch/avr32/include/asm/pgtable.h @@ -325,7 +325,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) struct vm_area_struct; extern void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte); + unsigned long address, pte_t *ptep); /* * Encode and decode a swap entry diff --git a/arch/avr32/mm/tlb.c b/arch/avr32/mm/tlb.c index 06677be..0da2310 100644 --- a/arch/avr32/mm/tlb.c +++ b/arch/avr32/mm/tlb.c @@ -101,7 +101,7 @@ static void update_dtlb(unsigned long address, pte_t pte) } void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) { unsigned long flags; @@ -110,7 +110,7 @@ void update_mmu_cache(struct vm_area_struct *vma, return; local_irq_save(flags); - update_dtlb(address, pte); + update_dtlb(address, *ptep); local_irq_restore(flags); } diff --git a/arch/cris/include/asm/pgtable.h b/arch/cris/include/asm/pgtable.h index 1fcce00..99ea6cd 100644 --- a/arch/cris/include/asm/pgtable.h +++ b/arch/cris/include/asm/pgtable.h @@ -270,7 +270,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; /* defined in head.S */ * Actually I am not sure on what this could be used for. */ static inline void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) { } diff --git a/arch/frv/include/asm/pgtable.h b/arch/frv/include/asm/pgtable.h index 22c6069..c18b0d3 100644 --- a/arch/frv/include/asm/pgtable.h +++ b/arch/frv/include/asm/pgtable.h @@ -505,7 +505,7 @@ static inline int pte_file(pte_t pte) /* * preload information about a newly instantiated PTE into the SCR0/SCR1 PGE cache */ -static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { struct mm_struct *mm; unsigned long ampr; diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h index 69bf138..c3286f4 100644 --- a/arch/ia64/include/asm/pgtable.h +++ b/arch/ia64/include/asm/pgtable.h @@ -462,7 +462,7 @@ pte_same (pte_t a, pte_t b) return pte_val(a) == pte_val(b); } -#define update_mmu_cache(vma, address, pte) do { } while (0) +#define update_mmu_cache(vma, address, ptep) do { } while (0) extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; extern void paging_init (void); diff --git a/arch/m32r/include/asm/tlbflush.h b/arch/m32r/include/asm/tlbflush.h index 0ef9530..92614b0 100644 --- a/arch/m32r/include/asm/tlbflush.h +++ b/arch/m32r/include/asm/tlbflush.h @@ -92,6 +92,6 @@ static __inline__ void __flush_tlb_all(void) ); } -extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); +extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); #endif /* _ASM_M32R_TLBFLUSH_H */ diff --git a/arch/m32r/mm/fault-nommu.c b/arch/m32r/mm/fault-nommu.c index 8846917..888aab1 100644 --- a/arch/m32r/mm/fault-nommu.c +++ b/arch/m32r/mm/fault-nommu.c @@ -95,7 +95,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, * update_mmu_cache() *======================================================================*/ void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, - pte_t pte) + pte_t *ptep) { BUG(); } diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c index 7274b47..28ee389 100644 --- a/arch/m32r/mm/fault.c +++ b/arch/m32r/mm/fault.c @@ -336,7 +336,7 @@ vmalloc_fault: addr = (address & PAGE_MASK); set_thread_fault_code(error_code); - update_mmu_cache(NULL, addr, *pte_k); + update_mmu_cache(NULL, addr, pte_k); set_thread_fault_code(0); return; } @@ -349,7 +349,7 @@ vmalloc_fault: #define ITLB_END (unsigned long *)(ITLB_BASE + (NR_TLB_ENTRIES * 8)) #define DTLB_END (unsigned long *)(DTLB_BASE + (NR_TLB_ENTRIES * 8)) void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr, - pte_t pte) + pte_t *ptep) { volatile unsigned long *entry1, *entry2; unsigned long pte_data, flags; @@ -365,7 +365,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr, vaddr = (vaddr & PAGE_MASK) | get_asid(); - pte_data = pte_val(pte); + pte_data = pte_val(*ptep); #ifdef CONFIG_CHIP_OPSP entry1 = (unsigned long *)ITLB_BASE; diff --git a/arch/m68k/include/asm/pgtable_mm.h b/arch/m68k/include/asm/pgtable_mm.h index aca0e28..87174c9 100644 --- a/arch/m68k/include/asm/pgtable_mm.h +++ b/arch/m68k/include/asm/pgtable_mm.h @@ -115,7 +115,7 @@ extern void kernel_set_cachemode(void *addr, unsigned long size, int cmode); * they are updated on demand. */ static inline void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) { } diff --git a/arch/microblaze/include/asm/tlbflush.h b/arch/microblaze/include/asm/tlbflush.h index eb31a0e..10ec70c 100644 --- a/arch/microblaze/include/asm/tlbflush.h +++ b/arch/microblaze/include/asm/tlbflush.h @@ -38,7 +38,7 @@ static inline void local_flush_tlb_range(struct vm_area_struct *vma, #define flush_tlb_kernel_range(start, end) do { } while (0) -#define update_mmu_cache(vma, addr, pte) do { } while (0) +#define update_mmu_cache(vma, addr, ptep) do { } while (0) #define flush_tlb_all local_flush_tlb_all #define flush_tlb_mm local_flush_tlb_mm diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 93598ba..7e40f37 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -368,8 +368,9 @@ extern void __update_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte); static inline void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) { + pte_t pte = *ptep; __update_tlb(vma, address, pte); __update_cache(vma, address, pte); } diff --git a/arch/mn10300/include/asm/pgtable.h b/arch/mn10300/include/asm/pgtable.h index 6dc30fc..16d8857 100644 --- a/arch/mn10300/include/asm/pgtable.h +++ b/arch/mn10300/include/asm/pgtable.h @@ -466,7 +466,7 @@ static inline int set_kernel_exec(unsigned long vaddr, int enable) * the kernel page tables containing the necessary information by tlb-mn10300.S */ extern void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t pte); + unsigned long address, pte_t *ptep); #endif /* !__ASSEMBLY__ */ diff --git a/arch/mn10300/mm/mmu-context.c b/arch/mn10300/mm/mmu-context.c index 31c9d27..36ba021 100644 --- a/arch/mn10300/mm/mmu-context.c +++ b/arch/mn10300/mm/mmu-context.c @@ -51,9 +51,10 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr) /* * preemptively set a TLB entry */ -void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte) +void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { unsigned long pteu, ptel, cnx, flags; + pte_t pte = *ptep; addr &= PAGE_MASK; ptel = pte_val(pte) & ~(xPTEL_UNUSED1 | xPTEL_UNUSED2); diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index a27d2e2..01c1503 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -410,7 +410,7 @@ extern void paging_init (void); #define PG_dcache_dirty PG_arch_1 -extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); +extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); /* Encode and de-code a swap entry */ diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index b6ed34d..1054baa 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -68,9 +68,9 @@ flush_cache_all_local(void) EXPORT_SYMBOL(flush_cache_all_local); void -update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { - struct page *page = pte_page(pte); + struct page *page = pte_page(*ptep); if (pfn_valid(page_to_pfn(page)) && page_mapping(page) && test_bit(PG_dcache_dirty, &page->flags)) { diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 21207e5..89f1587 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -209,7 +209,7 @@ extern void paging_init(void); * corresponding HPTE into the hash table ahead of time, instead of * waiting for the inevitable extra hash-table miss exception. */ -extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); +extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); extern int gup_hugepd(hugepd_t *hugepd, unsigned pdshift, unsigned long addr, unsigned long end, int write, struct page **pages, int *nr); diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index b9b1525..311224c 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -494,13 +494,13 @@ EXPORT_SYMBOL(flush_icache_user_range); * This must always be called with the pte lock held. */ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, - pte_t pte) + pte_t *ptep) { #ifdef CONFIG_PPC_STD_MMU unsigned long access = 0, trap; /* We only want HPTEs for linux PTEs that have _PAGE_ACCESSED set */ - if (!pte_young(pte) || address >= TASK_SIZE) + if (!pte_young(*ptep) || address >= TASK_SIZE) return; /* We try to figure out if we are coming from an instruction diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index e2fa79c..9b5b918 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -43,7 +43,7 @@ extern void vmem_map_init(void); * The S390 doesn't have any external MMU info: the kernel page * tables contain all the necessary information. */ -#define update_mmu_cache(vma, address, pte) do { } while (0) +#define update_mmu_cache(vma, address, ptep) do { } while (0) /* * ZERO_PAGE is a global shared page that is always zero: used diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h index 674934b..ccf38f0 100644 --- a/arch/score/include/asm/pgtable.h +++ b/arch/score/include/asm/pgtable.h @@ -272,8 +272,9 @@ extern void __update_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte); static inline void update_mmu_cache(struct vm_area_struct *vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) { + pte_t pte = *ptep; __update_tlb(vma, address, pte); __update_cache(vma, address, pte); } diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index aab7652..02f7745 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -153,8 +153,9 @@ extern void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte); static inline void -update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { + pte_t pte = *ptep; __update_cache(vma, address, pte); __update_tlb(vma, address, pte); } diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 28e2283..8bf79e3 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -374,7 +374,7 @@ handle_tlbmiss(struct pt_regs *regs, unsigned long writeaccess, local_flush_tlb_one(get_asid(), address & PAGE_MASK); #endif - update_mmu_cache(NULL, address, entry); + update_mmu_cache(NULL, address, pte); return 0; } diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index e0cabe7..77f906d 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -330,9 +330,9 @@ BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *) #define FAULT_CODE_WRITE 0x2 #define FAULT_CODE_USER 0x4 -BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t) +BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t *) -#define update_mmu_cache(vma,addr,pte) BTFIXUP_CALL(update_mmu_cache)(vma,addr,pte) +#define update_mmu_cache(vma,addr,ptep) BTFIXUP_CALL(update_mmu_cache)(vma,addr,ptep) BTFIXUPDEF_CALL(void, sparc_mapiorange, unsigned int, unsigned long, unsigned long, unsigned int) diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index f3cb790..f5b5fa7 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -706,7 +706,7 @@ extern unsigned long find_ecache_flush_span(unsigned long size); #define mmu_unlockarea(vaddr, len) do { } while(0) struct vm_area_struct; -extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); +extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); /* Encode and de-code a swap entry */ #define __swp_type(entry) (((entry).val >> PAGE_SHIFT) & 0xffUL) diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index a3413ac..3fa09ba 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c @@ -378,7 +378,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write, unsigned long address) { extern void sun4c_update_mmu_cache(struct vm_area_struct *, - unsigned long,pte_t); + unsigned long,pte_t *); extern pte_t *sun4c_pte_offset_kernel(pmd_t *,unsigned long); struct task_struct *tsk = current; struct mm_struct *mm = tsk->mm; @@ -455,7 +455,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write, * on the CPU and doing a shrink_mmap() on this vma. */ sun4c_update_mmu_cache (find_vma(current->mm, address), address, - *ptep); + ptep); else do_sparc_fault(regs, text_fault, write, address); } diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 1886d37..9245a82 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -289,12 +289,13 @@ static void flush_dcache(unsigned long pfn) } } -void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { struct mm_struct *mm; struct tsb *tsb; unsigned long tag, flags; unsigned long tsb_index, tsb_hash_shift; + pte_t pte = *ptep; if (tlb_type != hypervisor) { unsigned long pfn = pte_pfn(pte); diff --git a/arch/sparc/mm/nosun4c.c b/arch/sparc/mm/nosun4c.c index 196263f..4e62c27 100644 --- a/arch/sparc/mm/nosun4c.c +++ b/arch/sparc/mm/nosun4c.c @@ -62,7 +62,7 @@ pte_t *sun4c_pte_offset_kernel(pmd_t *dir, unsigned long address) return NULL; } -void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { } diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 367321a..df49b20 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -694,7 +694,7 @@ extern void tsunami_setup_blockops(void); * The following code is a deadwood that may be necessary when * we start to make precise page flushes again. --zaitcev */ -static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t pte) +static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t *ptep) { #if 0 static unsigned long last; @@ -703,10 +703,10 @@ static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long ad if (address == last) { val = srmmu_hwprobe(address); - if (val != 0 && pte_val(pte) != val) { + if (val != 0 && pte_val(*ptep) != val) { printk("swift_update_mmu_cache: " "addr %lx put %08x probed %08x from %p\n", - address, pte_val(pte), val, + address, pte_val(*ptep), val, __builtin_return_address(0)); srmmu_flush_whole_tlb(); } diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index a89baf0..1865253 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -1887,7 +1887,7 @@ static void sun4c_check_pgt_cache(int low, int high) /* An experiment, turn off by default for now... -DaveM */ #define SUN4C_PRELOAD_PSEG -void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { unsigned long flags; int pseg; @@ -1929,7 +1929,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p start += PAGE_SIZE; } #ifndef SUN4C_PRELOAD_PSEG - sun4c_put_pte(address, pte_val(pte)); + sun4c_put_pte(address, pte_val(*ptep)); #endif local_irq_restore(flags); return; @@ -1940,7 +1940,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p add_lru(entry); } - sun4c_put_pte(address, pte_val(pte)); + sun4c_put_pte(address, pte_val(*ptep)); local_irq_restore(flags); } diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index 9ce3f16..a9f7251 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -345,7 +345,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) struct mm_struct; extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); -#define update_mmu_cache(vma,address,pte) do ; while (0) +#define update_mmu_cache(vma,address,ptep) do ; while (0) /* Encode and de-code a swap entry */ #define __swp_type(x) (((x).val >> 4) & 0x3f) diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 01fd946..a286683 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -80,7 +80,7 @@ do { \ * The i386 doesn't have any external MMU info: the kernel page * tables contain all the necessary information. */ -#define update_mmu_cache(vma, address, pte) do { } while (0) +#define update_mmu_cache(vma, address, ptep) do { } while (0) #endif /* !__ASSEMBLY__ */ diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index c57a301..181be52 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -129,7 +129,7 @@ static inline int pgd_large(pgd_t pgd) { return 0; } #define pte_unmap(pte) /* NOP */ #define pte_unmap_nested(pte) /* NOP */ -#define update_mmu_cache(vma, address, pte) do { } while (0) +#define update_mmu_cache(vma, address, ptep) do { } while (0) /* Encode and de-code a swap entry */ #if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index a138770..76bf355 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -394,7 +394,7 @@ ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) #define kern_addr_valid(addr) (1) extern void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte); + unsigned long address, pte_t *ptep); /* * remap a physical page `pfn' of size `size' with page protection `prot' diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c index 3ba990c..85df465 100644 --- a/arch/xtensa/mm/cache.c +++ b/arch/xtensa/mm/cache.c @@ -147,9 +147,9 @@ void flush_cache_page(struct vm_area_struct* vma, unsigned long address, #endif void -update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t pte) +update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) { - unsigned long pfn = pte_pfn(pte); + unsigned long pfn = pte_pfn(*ptep); struct page *page; if (!pfn_valid(pfn)) diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 5d1c260..2b0bd0b 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -20,15 +20,15 @@ #include <linux/platform_device.h> #include <linux/i2c-pnx.h> #include <linux/io.h> +#include <linux/err.h> +#include <linux/clk.h> + #include <mach/hardware.h> #include <mach/i2c.h> -#include <asm/irq.h> -#include <asm/uaccess.h> #define I2C_PNX_TIMEOUT 10 /* msec */ #define I2C_PNX_SPEED_KHZ 100 #define I2C_PNX_REGION_SIZE 0x100 -#define PNX_DEFAULT_FREQ 13 /* MHz */ static inline int wait_timeout(long timeout, struct i2c_pnx_algo_data *data) { @@ -50,22 +50,21 @@ static inline int wait_reset(long timeout, struct i2c_pnx_algo_data *data) return (timeout <= 0); } -static inline void i2c_pnx_arm_timer(struct i2c_adapter *adap) +static inline void i2c_pnx_arm_timer(struct i2c_pnx_algo_data *alg_data) { - struct i2c_pnx_algo_data *data = adap->algo_data; - struct timer_list *timer = &data->mif.timer; - int expires = I2C_PNX_TIMEOUT / (1000 / HZ); + struct timer_list *timer = &alg_data->mif.timer; + unsigned long expires = msecs_to_jiffies(I2C_PNX_TIMEOUT); if (expires <= 1) expires = 2; del_timer_sync(timer); - dev_dbg(&adap->dev, "Timer armed at %lu plus %u jiffies.\n", + dev_dbg(&alg_data->adapter.dev, "Timer armed at %lu plus %lu jiffies.\n", jiffies, expires); timer->expires = jiffies + expires; - timer->data = (unsigned long)adap; + timer->data = (unsigned long)&alg_data; add_timer(timer); } @@ -77,34 +76,34 @@ static inline void i2c_pnx_arm_timer(struct i2c_adapter *adap) * * Generate a START signal in the desired mode. */ -static int i2c_pnx_start(unsigned char slave_addr, struct i2c_adapter *adap) +static int i2c_pnx_start(unsigned char slave_addr, + struct i2c_pnx_algo_data *alg_data) { - struct i2c_pnx_algo_data *alg_data = adap->algo_data; - - dev_dbg(&adap->dev, "%s(): addr 0x%x mode %d\n", __func__, + dev_dbg(&alg_data->adapter.dev, "%s(): addr 0x%x mode %d\n", __func__, slave_addr, alg_data->mif.mode); /* Check for 7 bit slave addresses only */ if (slave_addr & ~0x7f) { - dev_err(&adap->dev, "%s: Invalid slave address %x. " - "Only 7-bit addresses are supported\n", - adap->name, slave_addr); + dev_err(&alg_data->adapter.dev, + "%s: Invalid slave address %x. Only 7-bit addresses are supported\n", + alg_data->adapter.name, slave_addr); return -EINVAL; } /* First, make sure bus is idle */ if (wait_timeout(I2C_PNX_TIMEOUT, alg_data)) { /* Somebody else is monopolizing the bus */ - dev_err(&adap->dev, "%s: Bus busy. Slave addr = %02x, " - "cntrl = %x, stat = %x\n", - adap->name, slave_addr, - ioread32(I2C_REG_CTL(alg_data)), - ioread32(I2C_REG_STS(alg_data))); + dev_err(&alg_data->adapter.dev, + "%s: Bus busy. Slave addr = %02x, cntrl = %x, stat = %x\n", + alg_data->adapter.name, slave_addr, + ioread32(I2C_REG_CTL(alg_data)), + ioread32(I2C_REG_STS(alg_data))); return -EBUSY; } else if (ioread32(I2C_REG_STS(alg_data)) & mstatus_afi) { /* Sorry, we lost the bus */ - dev_err(&adap->dev, "%s: Arbitration failure. " - "Slave addr = %02x\n", adap->name, slave_addr); + dev_err(&alg_data->adapter.dev, + "%s: Arbitration failure. Slave addr = %02x\n", + alg_data->adapter.name, slave_addr); return -EIO; } @@ -115,14 +114,14 @@ static int i2c_pnx_start(unsigned char slave_addr, struct i2c_adapter *adap) iowrite32(ioread32(I2C_REG_STS(alg_data)) | mstatus_tdi | mstatus_afi, I2C_REG_STS(alg_data)); - dev_dbg(&adap->dev, "%s(): sending %#x\n", __func__, + dev_dbg(&alg_data->adapter.dev, "%s(): sending %#x\n", __func__, (slave_addr << 1) | start_bit | alg_data->mif.mode); /* Write the slave address, START bit and R/W bit */ iowrite32((slave_addr << 1) | start_bit | alg_data->mif.mode, I2C_REG_TX(alg_data)); - dev_dbg(&adap->dev, "%s(): exit\n", __func__); + dev_dbg(&alg_data->adapter.dev, "%s(): exit\n", __func__); return 0; } @@ -133,13 +132,12 @@ static int i2c_pnx_start(unsigned char slave_addr, struct i2c_adapter *adap) * * Generate a STOP signal to terminate the master transaction. */ -static void i2c_pnx_stop(struct i2c_adapter *adap) +static void i2c_pnx_stop(struct i2c_pnx_algo_data *alg_data) { - struct i2c_pnx_algo_data *alg_data = adap->algo_data; /* Only 1 msec max timeout due to interrupt context */ long timeout = 1000; - dev_dbg(&adap->dev, "%s(): entering: stat = %04x.\n", + dev_dbg(&alg_data->adapter.dev, "%s(): entering: stat = %04x.\n", __func__, ioread32(I2C_REG_STS(alg_data))); /* Write a STOP bit to TX FIFO */ @@ -153,7 +151,7 @@ static void i2c_pnx_stop(struct i2c_adapter *adap) timeout--; } - dev_dbg(&adap->dev, "%s(): exiting: stat = %04x.\n", + dev_dbg(&alg_data->adapter.dev, "%s(): exiting: stat = %04x.\n", __func__, ioread32(I2C_REG_STS(alg_data))); } @@ -163,12 +161,11 @@ static void i2c_pnx_stop(struct i2c_adapter *adap) * * Sends one byte of data to the slave */ -static int i2c_pnx_master_xmit(struct i2c_adapter *adap) +static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data) { - struct i2c_pnx_algo_data *alg_data = adap->algo_data; u32 val; - dev_dbg(&adap->dev, "%s(): entering: stat = %04x.\n", + dev_dbg(&alg_data->adapter.dev, "%s(): entering: stat = %04x.\n", __func__, ioread32(I2C_REG_STS(alg_data))); if (alg_data->mif.len > 0) { @@ -184,15 +181,15 @@ static int i2c_pnx_master_xmit(struct i2c_adapter *adap) alg_data->mif.len--; iowrite32(val, I2C_REG_TX(alg_data)); - dev_dbg(&adap->dev, "%s(): xmit %#x [%d]\n", __func__, - val, alg_data->mif.len + 1); + dev_dbg(&alg_data->adapter.dev, "%s(): xmit %#x [%d]\n", + __func__, val, alg_data->mif.len + 1); if (alg_data->mif.len == 0) { if (alg_data->last) { /* Wait until the STOP is seen. */ if (wait_timeout(I2C_PNX_TIMEOUT, alg_data)) - dev_err(&adap->dev, "The bus is still " - "active after timeout\n"); + dev_err(&alg_data->adapter.dev, + "The bus is still active after timeout\n"); } /* Disable master interrupts */ iowrite32(ioread32(I2C_REG_CTL(alg_data)) & @@ -201,14 +198,15 @@ static int i2c_pnx_master_xmit(struct i2c_adapter *adap) del_timer_sync(&alg_data->mif.timer); - dev_dbg(&adap->dev, "%s(): Waking up xfer routine.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): Waking up xfer routine.\n", __func__); complete(&alg_data->mif.complete); } } else if (alg_data->mif.len == 0) { /* zero-sized transfer */ - i2c_pnx_stop(adap); + i2c_pnx_stop(alg_data); /* Disable master interrupts. */ iowrite32(ioread32(I2C_REG_CTL(alg_data)) & @@ -217,13 +215,14 @@ static int i2c_pnx_master_xmit(struct i2c_adapter *adap) /* Stop timer. */ del_timer_sync(&alg_data->mif.timer); - dev_dbg(&adap->dev, "%s(): Waking up xfer routine after " - "zero-xfer.\n", __func__); + dev_dbg(&alg_data->adapter.dev, + "%s(): Waking up xfer routine after zero-xfer.\n", + __func__); complete(&alg_data->mif.complete); } - dev_dbg(&adap->dev, "%s(): exiting: stat = %04x.\n", + dev_dbg(&alg_data->adapter.dev, "%s(): exiting: stat = %04x.\n", __func__, ioread32(I2C_REG_STS(alg_data))); return 0; @@ -235,21 +234,21 @@ static int i2c_pnx_master_xmit(struct i2c_adapter *adap) * * Reads one byte data from the slave */ -static int i2c_pnx_master_rcv(struct i2c_adapter *adap) +static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data) { - struct i2c_pnx_algo_data *alg_data = adap->algo_data; unsigned int val = 0; u32 ctl = 0; - dev_dbg(&adap->dev, "%s(): entering: stat = %04x.\n", + dev_dbg(&alg_data->adapter.dev, "%s(): entering: stat = %04x.\n", __func__, ioread32(I2C_REG_STS(alg_data))); /* Check, whether there is already data, * or we didn't 'ask' for it yet. */ if (ioread32(I2C_REG_STS(alg_data)) & mstatus_rfe) { - dev_dbg(&adap->dev, "%s(): Write dummy data to fill " - "Rx-fifo...\n", __func__); + dev_dbg(&alg_data->adapter.dev, + "%s(): Write dummy data to fill Rx-fifo...\n", + __func__); if (alg_data->mif.len == 1) { /* Last byte, do not acknowledge next rcv. */ @@ -281,16 +280,16 @@ static int i2c_pnx_master_rcv(struct i2c_adapter *adap) if (alg_data->mif.len > 0) { val = ioread32(I2C_REG_RX(alg_data)); *alg_data->mif.buf++ = (u8) (val & 0xff); - dev_dbg(&adap->dev, "%s(): rcv 0x%x [%d]\n", __func__, val, - alg_data->mif.len); + dev_dbg(&alg_data->adapter.dev, "%s(): rcv 0x%x [%d]\n", + __func__, val, alg_data->mif.len); alg_data->mif.len--; if (alg_data->mif.len == 0) { if (alg_data->last) /* Wait until the STOP is seen. */ if (wait_timeout(I2C_PNX_TIMEOUT, alg_data)) - dev_err(&adap->dev, "The bus is still " - "active after timeout\n"); + dev_err(&alg_data->adapter.dev, + "The bus is still active after timeout\n"); /* Disable master interrupts */ ctl = ioread32(I2C_REG_CTL(alg_data)); @@ -304,7 +303,7 @@ static int i2c_pnx_master_rcv(struct i2c_adapter *adap) } } - dev_dbg(&adap->dev, "%s(): exiting: stat = %04x.\n", + dev_dbg(&alg_data->adapter.dev, "%s(): exiting: stat = %04x.\n", __func__, ioread32(I2C_REG_STS(alg_data))); return 0; @@ -312,11 +311,11 @@ static int i2c_pnx_master_rcv(struct i2c_adapter *adap) static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) { + struct i2c_pnx_algo_data *alg_data = dev_id; u32 stat, ctl; - struct i2c_adapter *adap = dev_id; - struct i2c_pnx_algo_data *alg_data = adap->algo_data; - dev_dbg(&adap->dev, "%s(): mstat = %x mctrl = %x, mode = %d\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): mstat = %x mctrl = %x, mode = %d\n", __func__, ioread32(I2C_REG_STS(alg_data)), ioread32(I2C_REG_CTL(alg_data)), @@ -339,10 +338,10 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) complete(&alg_data->mif.complete); } else if (stat & mstatus_nai) { /* Slave did not acknowledge, generate a STOP */ - dev_dbg(&adap->dev, "%s(): " - "Slave did not acknowledge, generating a STOP.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): Slave did not acknowledge, generating a STOP.\n", __func__); - i2c_pnx_stop(adap); + i2c_pnx_stop(alg_data); /* Disable master interrupts. */ ctl = ioread32(I2C_REG_CTL(alg_data)); @@ -368,9 +367,9 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) */ if ((stat & mstatus_drmi) || !(stat & mstatus_rfe)) { if (alg_data->mif.mode == I2C_SMBUS_WRITE) { - i2c_pnx_master_xmit(adap); + i2c_pnx_master_xmit(alg_data); } else if (alg_data->mif.mode == I2C_SMBUS_READ) { - i2c_pnx_master_rcv(adap); + i2c_pnx_master_rcv(alg_data); } } } @@ -379,7 +378,8 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) stat = ioread32(I2C_REG_STS(alg_data)); iowrite32(stat | mstatus_tdi | mstatus_afi, I2C_REG_STS(alg_data)); - dev_dbg(&adap->dev, "%s(): exiting, stat = %x ctrl = %x.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): exiting, stat = %x ctrl = %x.\n", __func__, ioread32(I2C_REG_STS(alg_data)), ioread32(I2C_REG_CTL(alg_data))); @@ -388,14 +388,13 @@ static irqreturn_t i2c_pnx_interrupt(int irq, void *dev_id) static void i2c_pnx_timeout(unsigned long data) { - struct i2c_adapter *adap = (struct i2c_adapter *)data; - struct i2c_pnx_algo_data *alg_data = adap->algo_data; + struct i2c_pnx_algo_data *alg_data = (struct i2c_pnx_algo_data *)data; u32 ctl; - dev_err(&adap->dev, "Master timed out. stat = %04x, cntrl = %04x. " - "Resetting master...\n", - ioread32(I2C_REG_STS(alg_data)), - ioread32(I2C_REG_CTL(alg_data))); + dev_err(&alg_data->adapter.dev, + "Master timed out. stat = %04x, cntrl = %04x. Resetting master...\n", + ioread32(I2C_REG_STS(alg_data)), + ioread32(I2C_REG_CTL(alg_data))); /* Reset master and disable interrupts */ ctl = ioread32(I2C_REG_CTL(alg_data)); @@ -409,15 +408,14 @@ static void i2c_pnx_timeout(unsigned long data) complete(&alg_data->mif.complete); } -static inline void bus_reset_if_active(struct i2c_adapter *adap) +static inline void bus_reset_if_active(struct i2c_pnx_algo_data *alg_data) { - struct i2c_pnx_algo_data *alg_data = adap->algo_data; u32 stat; if ((stat = ioread32(I2C_REG_STS(alg_data))) & mstatus_active) { - dev_err(&adap->dev, + dev_err(&alg_data->adapter.dev, "%s: Bus is still active after xfer. Reset it...\n", - adap->name); + alg_data->adapter.name); iowrite32(ioread32(I2C_REG_CTL(alg_data)) | mcntrl_reset, I2C_REG_CTL(alg_data)); wait_reset(I2C_PNX_TIMEOUT, alg_data); @@ -451,10 +449,11 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) struct i2c_pnx_algo_data *alg_data = adap->algo_data; u32 stat = ioread32(I2C_REG_STS(alg_data)); - dev_dbg(&adap->dev, "%s(): entering: %d messages, stat = %04x.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): entering: %d messages, stat = %04x.\n", __func__, num, ioread32(I2C_REG_STS(alg_data))); - bus_reset_if_active(adap); + bus_reset_if_active(alg_data); /* Process transactions in a loop. */ for (i = 0; rc >= 0 && i < num; i++) { @@ -464,9 +463,9 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) addr = pmsg->addr; if (pmsg->flags & I2C_M_TEN) { - dev_err(&adap->dev, + dev_err(&alg_data->adapter.dev, "%s: 10 bits addr not supported!\n", - adap->name); + alg_data->adapter.name); rc = -EINVAL; break; } @@ -478,11 +477,10 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) alg_data->mif.ret = 0; alg_data->last = (i == num - 1); - dev_dbg(&adap->dev, "%s(): mode %d, %d bytes\n", __func__, - alg_data->mif.mode, - alg_data->mif.len); + dev_dbg(&alg_data->adapter.dev, "%s(): mode %d, %d bytes\n", + __func__, alg_data->mif.mode, alg_data->mif.len); - i2c_pnx_arm_timer(adap); + i2c_pnx_arm_timer(alg_data); /* initialize the completion var */ init_completion(&alg_data->mif.complete); @@ -493,7 +491,7 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) I2C_REG_CTL(alg_data)); /* Put start-code and slave-address on the bus. */ - rc = i2c_pnx_start(addr, adap); + rc = i2c_pnx_start(addr, alg_data); if (rc < 0) break; @@ -502,31 +500,32 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if (!(rc = alg_data->mif.ret)) completed++; - dev_dbg(&adap->dev, "%s(): Complete, return code = %d.\n", + dev_dbg(&alg_data->adapter.dev, + "%s(): Complete, return code = %d.\n", __func__, rc); /* Clear TDI and AFI bits in case they are set. */ if ((stat = ioread32(I2C_REG_STS(alg_data))) & mstatus_tdi) { - dev_dbg(&adap->dev, + dev_dbg(&alg_data->adapter.dev, "%s: TDI still set... clearing now.\n", - adap->name); + alg_data->adapter.name); iowrite32(stat, I2C_REG_STS(alg_data)); } if ((stat = ioread32(I2C_REG_STS(alg_data))) & mstatus_afi) { - dev_dbg(&adap->dev, + dev_dbg(&alg_data->adapter.dev, "%s: AFI still set... clearing now.\n", - adap->name); + alg_data->adapter.name); iowrite32(stat, I2C_REG_STS(alg_data)); } } - bus_reset_if_active(adap); + bus_reset_if_active(alg_data); /* Cleanup to be sure... */ alg_data->mif.buf = NULL; alg_data->mif.len = 0; - dev_dbg(&adap->dev, "%s(): exiting, stat = %x\n", + dev_dbg(&alg_data->adapter.dev, "%s(): exiting, stat = %x\n", __func__, ioread32(I2C_REG_STS(alg_data))); if (completed != num) @@ -545,69 +544,92 @@ static struct i2c_algorithm pnx_algorithm = { .functionality = i2c_pnx_func, }; +#ifdef CONFIG_PM static int i2c_pnx_controller_suspend(struct platform_device *pdev, pm_message_t state) { - struct i2c_pnx_data *i2c_pnx = platform_get_drvdata(pdev); - return i2c_pnx->suspend(pdev, state); + struct i2c_pnx_algo_data *alg_data = platform_get_drvdata(pdev); + + /* FIXME: shouldn't this be clk_disable? */ + clk_enable(alg_data->clk); + + return 0; } static int i2c_pnx_controller_resume(struct platform_device *pdev) { - struct i2c_pnx_data *i2c_pnx = platform_get_drvdata(pdev); - return i2c_pnx->resume(pdev); + struct i2c_pnx_algo_data *alg_data = platform_get_drvdata(pdev); + + return clk_enable(alg_data->clk); } +#else +#define i2c_pnx_controller_suspend NULL +#define i2c_pnx_controller_resume NULL +#endif static int __devinit i2c_pnx_probe(struct platform_device *pdev) { unsigned long tmp; int ret = 0; struct i2c_pnx_algo_data *alg_data; - int freq_mhz; + unsigned long freq; struct i2c_pnx_data *i2c_pnx = pdev->dev.platform_data; - if (!i2c_pnx || !i2c_pnx->adapter) { + if (!i2c_pnx || !i2c_pnx->name) { dev_err(&pdev->dev, "%s: no platform data supplied\n", __func__); ret = -EINVAL; goto out; } - platform_set_drvdata(pdev, i2c_pnx); - - if (i2c_pnx->calculate_input_freq) - freq_mhz = i2c_pnx->calculate_input_freq(pdev); - else { - freq_mhz = PNX_DEFAULT_FREQ; - dev_info(&pdev->dev, "Setting bus frequency to default value: " - "%d MHz\n", freq_mhz); + alg_data = kzalloc(sizeof(*alg_data), GFP_KERNEL); + if (!alg_data) { + ret = -ENOMEM; + goto err_kzalloc; } - i2c_pnx->adapter->algo = &pnx_algorithm; + platform_set_drvdata(pdev, alg_data); + + strlcpy(alg_data->adapter.name, i2c_pnx->name, + sizeof(alg_data->adapter.name)); + alg_data->adapter.dev.parent = &pdev->dev; + alg_data->adapter.algo = &pnx_algorithm; + alg_data->adapter.algo_data = alg_data; + alg_data->adapter.nr = pdev->id; + alg_data->i2c_pnx = i2c_pnx; + + alg_data->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(alg_data->clk)) { + ret = PTR_ERR(alg_data->clk); + goto out_drvdata; + } - alg_data = i2c_pnx->adapter->algo_data; init_timer(&alg_data->mif.timer); alg_data->mif.timer.function = i2c_pnx_timeout; - alg_data->mif.timer.data = (unsigned long)i2c_pnx->adapter; + alg_data->mif.timer.data = (unsigned long)alg_data; /* Register I/O resource */ - if (!request_mem_region(alg_data->base, I2C_PNX_REGION_SIZE, + if (!request_mem_region(i2c_pnx->base, I2C_PNX_REGION_SIZE, pdev->name)) { dev_err(&pdev->dev, "I/O region 0x%08x for I2C already in use.\n", - alg_data->base); + i2c_pnx->base); ret = -ENODEV; - goto out_drvdata; + goto out_clkget; } - if (!(alg_data->ioaddr = - (u32)ioremap(alg_data->base, I2C_PNX_REGION_SIZE))) { + alg_data->ioaddr = ioremap(i2c_pnx->base, I2C_PNX_REGION_SIZE); + if (!alg_data->ioaddr) { dev_err(&pdev->dev, "Couldn't ioremap I2C I/O region\n"); ret = -ENOMEM; goto out_release; } - i2c_pnx->set_clock_run(pdev); + ret = clk_enable(alg_data->clk); + if (ret) + goto out_unmap; + + freq = clk_get_rate(alg_data->clk); /* * Clock Divisor High This value is the number of system clocks @@ -620,45 +642,47 @@ static int __devinit i2c_pnx_probe(struct platform_device *pdev) * the deglitching filter length. */ - tmp = ((freq_mhz * 1000) / I2C_PNX_SPEED_KHZ) / 2 - 2; + tmp = ((freq / 1000) / I2C_PNX_SPEED_KHZ) / 2 - 2; iowrite32(tmp, I2C_REG_CKH(alg_data)); iowrite32(tmp, I2C_REG_CKL(alg_data)); iowrite32(mcntrl_reset, I2C_REG_CTL(alg_data)); if (wait_reset(I2C_PNX_TIMEOUT, alg_data)) { ret = -ENODEV; - goto out_unmap; + goto out_clock; } init_completion(&alg_data->mif.complete); - ret = request_irq(alg_data->irq, i2c_pnx_interrupt, - 0, pdev->name, i2c_pnx->adapter); + ret = request_irq(i2c_pnx->irq, i2c_pnx_interrupt, + 0, pdev->name, alg_data); if (ret) goto out_clock; /* Register this adapter with the I2C subsystem */ - i2c_pnx->adapter->dev.parent = &pdev->dev; - i2c_pnx->adapter->nr = pdev->id; - ret = i2c_add_numbered_adapter(i2c_pnx->adapter); + ret = i2c_add_numbered_adapter(&alg_data->adapter); if (ret < 0) { dev_err(&pdev->dev, "I2C: Failed to add bus\n"); goto out_irq; } dev_dbg(&pdev->dev, "%s: Master at %#8x, irq %d.\n", - i2c_pnx->adapter->name, alg_data->base, alg_data->irq); + alg_data->adapter.name, i2c_pnx->base, i2c_pnx->irq); return 0; out_irq: - free_irq(alg_data->irq, i2c_pnx->adapter); + free_irq(i2c_pnx->irq, alg_data); out_clock: - i2c_pnx->set_clock_stop(pdev); + clk_disable(alg_data->clk); out_unmap: - iounmap((void *)alg_data->ioaddr); + iounmap(alg_data->ioaddr); out_release: - release_mem_region(alg_data->base, I2C_PNX_REGION_SIZE); + release_mem_region(i2c_pnx->base, I2C_PNX_REGION_SIZE); +out_clkget: + clk_put(alg_data->clk); out_drvdata: + kfree(alg_data); +err_kzalloc: platform_set_drvdata(pdev, NULL); out: return ret; @@ -666,15 +690,16 @@ out: static int __devexit i2c_pnx_remove(struct platform_device *pdev) { - struct i2c_pnx_data *i2c_pnx = platform_get_drvdata(pdev); - struct i2c_adapter *adap = i2c_pnx->adapter; - struct i2c_pnx_algo_data *alg_data = adap->algo_data; - - free_irq(alg_data->irq, i2c_pnx->adapter); - i2c_del_adapter(adap); - i2c_pnx->set_clock_stop(pdev); - iounmap((void *)alg_data->ioaddr); - release_mem_region(alg_data->base, I2C_PNX_REGION_SIZE); + struct i2c_pnx_algo_data *alg_data = platform_get_drvdata(pdev); + struct i2c_pnx_data *i2c_pnx = alg_data->i2c_pnx; + + free_irq(i2c_pnx->irq, alg_data); + i2c_del_adapter(&alg_data->adapter); + clk_disable(alg_data->clk); + iounmap(alg_data->ioaddr); + release_mem_region(i2c_pnx->base, I2C_PNX_REGION_SIZE); + clk_put(alg_data->clk); + kfree(alg_data); platform_set_drvdata(pdev, NULL); return 0; diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 90d168a..84c103a 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -2,6 +2,7 @@ * linux/drivers/mmc/host/mmci.c - ARM PrimeCell MMCI PL180/1 driver * * Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved. + * Copyright (C) 2010 ST-Ericsson AB. * * 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 @@ -34,9 +35,6 @@ #define DRIVER_NAME "mmci-pl18x" -#define DBG(host,fmt,args...) \ - pr_debug("%s: %s: " fmt, mmc_hostname(host->mmc), __func__ , args) - static unsigned int fmax = 515633; /* @@ -105,8 +103,8 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) void __iomem *base; int blksz_bits; - DBG(host, "blksz %04x blks %04x flags %08x\n", - data->blksz, data->blocks, data->flags); + dev_dbg(mmc_dev(host->mmc), "blksz %04x blks %04x flags %08x\n", + data->blksz, data->blocks, data->flags); host->data = data; host->size = data->blksz; @@ -155,7 +153,7 @@ mmci_start_command(struct mmci_host *host, struct mmc_command *cmd, u32 c) { void __iomem *base = host->base; - DBG(host, "op %02x arg %08x flags %08x\n", + dev_dbg(mmc_dev(host->mmc), "op %02x arg %08x flags %08x\n", cmd->opcode, cmd->arg, cmd->flags); if (readl(base + MMCICOMMAND) & MCI_CPSM_ENABLE) { @@ -184,8 +182,20 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data, { if (status & MCI_DATABLOCKEND) { host->data_xfered += data->blksz; +#ifdef CONFIG_ARCH_U300 + /* + * On the U300 some signal or other is + * badly routed so that a data write does + * not properly terminate with a MCI_DATAEND + * status flag. This quirk will make writes + * work again. + */ + if (data->flags & MMC_DATA_WRITE) + status |= MCI_DATAEND; +#endif } if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) { + dev_dbg(mmc_dev(host->mmc), "MCI ERROR IRQ (status %08x)\n", status); if (status & MCI_DATACRCFAIL) data->error = -EILSEQ; else if (status & MCI_DATATIMEOUT) @@ -307,7 +317,7 @@ static irqreturn_t mmci_pio_irq(int irq, void *dev_id) status = readl(base + MMCISTATUS); - DBG(host, "irq1 %08x\n", status); + dev_dbg(mmc_dev(host->mmc), "irq1 (pio) %08x\n", status); do { unsigned long flags; @@ -401,7 +411,7 @@ static irqreturn_t mmci_irq(int irq, void *dev_id) status &= readl(host->base + MMCIMASK0); writel(status, host->base + MMCICLEAR); - DBG(host, "irq0 %08x\n", status); + dev_dbg(mmc_dev(host->mmc), "irq0 (data+cmd) %08x\n", status); data = host->data; if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN| @@ -428,8 +438,8 @@ static void mmci_request(struct mmc_host *mmc, struct mmc_request *mrq) WARN_ON(host->mrq != NULL); if (mrq->data && !is_power_of_2(mrq->data->blksz)) { - printk(KERN_ERR "%s: Unsupported block size (%d bytes)\n", - mmc_hostname(mmc), mrq->data->blksz); + dev_err(mmc_dev(mmc), "unsupported block size (%d bytes)\n", + mrq->data->blksz); mrq->cmd->error = -EINVAL; mmc_request_done(mmc, mrq); return; @@ -582,8 +592,8 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id) host->hw_designer = amba_manf(dev); host->hw_revision = amba_rev(dev); - DBG(host, "designer ID = 0x%02x\n", host->hw_designer); - DBG(host, "revision = 0x%01x\n", host->hw_revision); + dev_dbg(mmc_dev(mmc), "designer ID = 0x%02x\n", host->hw_designer); + dev_dbg(mmc_dev(mmc), "revision = 0x%01x\n", host->hw_revision); host->clk = clk_get(&dev->dev, NULL); if (IS_ERR(host->clk)) { @@ -608,7 +618,8 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id) if (ret < 0) goto clk_disable; host->mclk = clk_get_rate(host->clk); - DBG(host, "eventual mclk rate: %u Hz\n", host->mclk); + dev_dbg(mmc_dev(mmc), "eventual mclk rate: %u Hz\n", + host->mclk); } host->base = ioremap(dev->res.start, resource_size(&dev->res)); if (!host->base) { @@ -619,6 +630,8 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id) mmc->ops = &mmci_ops; mmc->f_min = (host->mclk + 511) / 512; mmc->f_max = min(host->mclk, fmax); + dev_dbg(mmc_dev(mmc), "clocking block at %u Hz\n", mmc->f_max); + #ifdef CONFIG_REGULATOR /* If we're using the regulator framework, try to fetch a regulator */ host->vcc = regulator_get(&dev->dev, "vmmc"); @@ -712,7 +725,7 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id) mmc_add_host(mmc); - printk(KERN_INFO "%s: MMCI rev %x cfg %02x at 0x%016llx irq %d,%d\n", + dev_info(&dev->dev, "%s: MMCI rev %x cfg %02x at 0x%016llx irq %d,%d\n", mmc_hostname(mmc), amba_rev(dev), amba_config(dev), (unsigned long long)dev->res.start, dev->irq[0], dev->irq[1]); diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 0264b11..c256aac 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -7,6 +7,9 @@ * * Copyright 2006 (c) MontaVista Software, Inc. * + * Author: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> + * Copyright 2010 (c) ST-Ericsson AB + * * 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 @@ -18,6 +21,9 @@ #include <linux/interrupt.h> #include <linux/amba/bus.h> #include <linux/io.h> +#include <linux/bcd.h> +#include <linux/delay.h> +#include <linux/version.h> /* * Register definitions @@ -30,35 +36,207 @@ #define RTC_RIS 0x14 /* Raw interrupt status register */ #define RTC_MIS 0x18 /* Masked interrupt status register */ #define RTC_ICR 0x1c /* Interrupt clear register */ +/* ST variants have additional timer functionality */ +#define RTC_TDR 0x20 /* Timer data read register */ +#define RTC_TLR 0x24 /* Timer data load register */ +#define RTC_TCR 0x28 /* Timer control register */ +#define RTC_YDR 0x30 /* Year data read register */ +#define RTC_YMR 0x34 /* Year match register */ +#define RTC_YLR 0x38 /* Year data load register */ + +#define RTC_CR_CWEN (1 << 26) /* Clockwatch enable bit */ + +#define RTC_TCR_EN (1 << 1) /* Periodic timer enable bit */ + +/* Common bit definitions for Interrupt status and control registers */ +#define RTC_BIT_AI (1 << 0) /* Alarm interrupt bit */ +#define RTC_BIT_PI (1 << 1) /* Periodic interrupt bit. ST variants only. */ + +/* Common bit definations for ST v2 for reading/writing time */ +#define RTC_SEC_SHIFT 0 +#define RTC_SEC_MASK (0x3F << RTC_SEC_SHIFT) /* Second [0-59] */ +#define RTC_MIN_SHIFT 6 +#define RTC_MIN_MASK (0x3F << RTC_MIN_SHIFT) /* Minute [0-59] */ +#define RTC_HOUR_SHIFT 12 +#define RTC_HOUR_MASK (0x1F << RTC_HOUR_SHIFT) /* Hour [0-23] */ +#define RTC_WDAY_SHIFT 17 +#define RTC_WDAY_MASK (0x7 << RTC_WDAY_SHIFT) /* Day of Week [1-7] 1=Sunday */ +#define RTC_MDAY_SHIFT 20 +#define RTC_MDAY_MASK (0x1F << RTC_MDAY_SHIFT) /* Day of Month [1-31] */ +#define RTC_MON_SHIFT 25 +#define RTC_MON_MASK (0xF << RTC_MON_SHIFT) /* Month [1-12] 1=January */ + +#define RTC_TIMER_FREQ 32768 struct pl031_local { struct rtc_device *rtc; void __iomem *base; + u8 hw_designer; + u8 hw_revision:4; }; -static irqreturn_t pl031_interrupt(int irq, void *dev_id) +static int pl031_alarm_irq_enable(struct device *dev, + unsigned int enabled) +{ + struct pl031_local *ldata = dev_get_drvdata(dev); + unsigned long imsc; + + /* Clear any pending alarm interrupts. */ + writel(RTC_BIT_AI, ldata->base + RTC_ICR); + + imsc = readl(ldata->base + RTC_IMSC); + + if (enabled == 1) + writel(imsc | RTC_BIT_AI, ldata->base + RTC_IMSC); + else + writel(imsc & ~RTC_BIT_AI, ldata->base + RTC_IMSC); + + return 0; +} + +/* + * Convert Gregorian date to ST v2 RTC format. + */ +static int pl031_stv2_tm_to_time(struct device *dev, + struct rtc_time *tm, unsigned long *st_time, + unsigned long *bcd_year) +{ + int year = tm->tm_year + 1900; + int wday = tm->tm_wday; + + /* wday masking is not working in hardware so wday must be valid */ + if (wday < -1 || wday > 6) { + dev_err(dev, "invalid wday value %d\n", tm->tm_wday); + return -EINVAL; + } else if (wday == -1) { + /* wday is not provided, calculate it here */ + unsigned long time; + struct rtc_time calc_tm; + + rtc_tm_to_time(tm, &time); + rtc_time_to_tm(time, &calc_tm); + wday = calc_tm.tm_wday; + } + + *bcd_year = (bin2bcd(year % 100) | bin2bcd(year / 100) << 8); + + *st_time = ((tm->tm_mon + 1) << RTC_MON_SHIFT) + | (tm->tm_mday << RTC_MDAY_SHIFT) + | ((wday + 1) << RTC_WDAY_SHIFT) + | (tm->tm_hour << RTC_HOUR_SHIFT) + | (tm->tm_min << RTC_MIN_SHIFT) + | (tm->tm_sec << RTC_SEC_SHIFT); + + return 0; +} + +/* + * Convert ST v2 RTC format to Gregorian date. + */ +static int pl031_stv2_time_to_tm(unsigned long st_time, unsigned long bcd_year, + struct rtc_time *tm) +{ + tm->tm_year = bcd2bin(bcd_year) + (bcd2bin(bcd_year >> 8) * 100); + tm->tm_mon = ((st_time & RTC_MON_MASK) >> RTC_MON_SHIFT) - 1; + tm->tm_mday = ((st_time & RTC_MDAY_MASK) >> RTC_MDAY_SHIFT); + tm->tm_wday = ((st_time & RTC_WDAY_MASK) >> RTC_WDAY_SHIFT) - 1; + tm->tm_hour = ((st_time & RTC_HOUR_MASK) >> RTC_HOUR_SHIFT); + tm->tm_min = ((st_time & RTC_MIN_MASK) >> RTC_MIN_SHIFT); + tm->tm_sec = ((st_time & RTC_SEC_MASK) >> RTC_SEC_SHIFT); + + tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year); + tm->tm_year -= 1900; + + return 0; +} + +static int pl031_stv2_read_time(struct device *dev, struct rtc_time *tm) +{ + struct pl031_local *ldata = dev_get_drvdata(dev); + + pl031_stv2_time_to_tm(readl(ldata->base + RTC_DR), + readl(ldata->base + RTC_YDR), tm); + + return 0; +} + +static int pl031_stv2_set_time(struct device *dev, struct rtc_time *tm) +{ + unsigned long time; + unsigned long bcd_year; + struct pl031_local *ldata = dev_get_drvdata(dev); + int ret; + + ret = pl031_stv2_tm_to_time(dev, tm, &time, &bcd_year); + if (ret == 0) { + writel(bcd_year, ldata->base + RTC_YLR); + writel(time, ldata->base + RTC_LR); + } + + return ret; +} + +static int pl031_stv2_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) { - struct rtc_device *rtc = dev_id; + struct pl031_local *ldata = dev_get_drvdata(dev); + int ret; - rtc_update_irq(rtc, 1, RTC_AF); + ret = pl031_stv2_time_to_tm(readl(ldata->base + RTC_MR), + readl(ldata->base + RTC_YMR), &alarm->time); - return IRQ_HANDLED; + alarm->pending = readl(ldata->base + RTC_RIS) & RTC_BIT_AI; + alarm->enabled = readl(ldata->base + RTC_IMSC) & RTC_BIT_AI; + + return ret; } -static int pl031_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) +static int pl031_stv2_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) { struct pl031_local *ldata = dev_get_drvdata(dev); + unsigned long time; + unsigned long bcd_year; + int ret; + + /* At the moment, we can only deal with non-wildcarded alarm times. */ + ret = rtc_valid_tm(&alarm->time); + if (ret == 0) { + ret = pl031_stv2_tm_to_time(dev, &alarm->time, + &time, &bcd_year); + if (ret == 0) { + writel(bcd_year, ldata->base + RTC_YMR); + writel(time, ldata->base + RTC_MR); + + pl031_alarm_irq_enable(dev, alarm->enabled); + } + } + + return ret; +} + +static irqreturn_t pl031_interrupt(int irq, void *dev_id) +{ + struct pl031_local *ldata = dev_id; + unsigned long rtcmis; + unsigned long events = 0; + + rtcmis = readl(ldata->base + RTC_MIS); + if (rtcmis) { + writel(rtcmis, ldata->base + RTC_ICR); + + if (rtcmis & RTC_BIT_AI) + events |= (RTC_AF | RTC_IRQF); + + /* Timer interrupt is only available in ST variants */ + if ((rtcmis & RTC_BIT_PI) && + (ldata->hw_designer == AMBA_VENDOR_ST)) + events |= (RTC_PF | RTC_IRQF); + + rtc_update_irq(ldata->rtc, 1, events); - switch (cmd) { - case RTC_AIE_OFF: - writel(1, ldata->base + RTC_MIS); - return 0; - case RTC_AIE_ON: - writel(0, ldata->base + RTC_MIS); - return 0; + return IRQ_HANDLED; } - return -ENOIOCTLCMD; + return IRQ_NONE; } static int pl031_read_time(struct device *dev, struct rtc_time *tm) @@ -74,11 +252,14 @@ static int pl031_set_time(struct device *dev, struct rtc_time *tm) { unsigned long time; struct pl031_local *ldata = dev_get_drvdata(dev); + int ret; - rtc_tm_to_time(tm, &time); - writel(time, ldata->base + RTC_LR); + ret = rtc_tm_to_time(tm, &time); - return 0; + if (ret == 0) + writel(time, ldata->base + RTC_LR); + + return ret; } static int pl031_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) @@ -86,8 +267,9 @@ static int pl031_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) struct pl031_local *ldata = dev_get_drvdata(dev); rtc_time_to_tm(readl(ldata->base + RTC_MR), &alarm->time); - alarm->pending = readl(ldata->base + RTC_RIS); - alarm->enabled = readl(ldata->base + RTC_IMSC); + + alarm->pending = readl(ldata->base + RTC_RIS) & RTC_BIT_AI; + alarm->enabled = readl(ldata->base + RTC_IMSC) & RTC_BIT_AI; return 0; } @@ -96,22 +278,71 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) { struct pl031_local *ldata = dev_get_drvdata(dev); unsigned long time; + int ret; + + /* At the moment, we can only deal with non-wildcarded alarm times. */ + ret = rtc_valid_tm(&alarm->time); + if (ret == 0) { + ret = rtc_tm_to_time(&alarm->time, &time); + if (ret == 0) { + writel(time, ldata->base + RTC_MR); + pl031_alarm_irq_enable(dev, alarm->enabled); + } + } + + return ret; +} + +/* Periodic interrupt is only available in ST variants. */ +static int pl031_irq_set_state(struct device *dev, int enabled) +{ + struct pl031_local *ldata = dev_get_drvdata(dev); + + if (enabled == 1) { + /* Clear any pending timer interrupt. */ + writel(RTC_BIT_PI, ldata->base + RTC_ICR); + + writel(readl(ldata->base + RTC_IMSC) | RTC_BIT_PI, + ldata->base + RTC_IMSC); - rtc_tm_to_time(&alarm->time, &time); + /* Now start the timer */ + writel(readl(ldata->base + RTC_TCR) | RTC_TCR_EN, + ldata->base + RTC_TCR); - writel(time, ldata->base + RTC_MR); - writel(!alarm->enabled, ldata->base + RTC_MIS); + } else { + writel(readl(ldata->base + RTC_IMSC) & (~RTC_BIT_PI), + ldata->base + RTC_IMSC); + + /* Also stop the timer */ + writel(readl(ldata->base + RTC_TCR) & (~RTC_TCR_EN), + ldata->base + RTC_TCR); + } + /* Wait at least 1 RTC32 clock cycle to ensure next access + * to RTC_TCR will succeed. + */ + udelay(40); return 0; } -static const struct rtc_class_ops pl031_ops = { - .ioctl = pl031_ioctl, - .read_time = pl031_read_time, - .set_time = pl031_set_time, - .read_alarm = pl031_read_alarm, - .set_alarm = pl031_set_alarm, -}; +static int pl031_irq_set_freq(struct device *dev, int freq) +{ + struct pl031_local *ldata = dev_get_drvdata(dev); + + /* Cant set timer if it is already enabled */ + if (readl(ldata->base + RTC_TCR) & RTC_TCR_EN) { + dev_err(dev, "can't change frequency while timer enabled\n"); + return -EINVAL; + } + + /* If self start bit in RTC_TCR is set timer will start here, + * but we never set that bit. Instead we start the timer when + * set_state is called with enabled == 1. + */ + writel(RTC_TIMER_FREQ / freq, ldata->base + RTC_TLR); + + return 0; +} static int pl031_remove(struct amba_device *adev) { @@ -131,18 +362,20 @@ static int pl031_probe(struct amba_device *adev, struct amba_id *id) { int ret; struct pl031_local *ldata; + struct rtc_class_ops *ops = id->data; ret = amba_request_regions(adev, NULL); if (ret) goto err_req; - ldata = kmalloc(sizeof(struct pl031_local), GFP_KERNEL); + ldata = kzalloc(sizeof(struct pl031_local), GFP_KERNEL); if (!ldata) { ret = -ENOMEM; goto out; } ldata->base = ioremap(adev->res.start, resource_size(&adev->res)); + if (!ldata->base) { ret = -ENOMEM; goto out_no_remap; @@ -150,24 +383,36 @@ static int pl031_probe(struct amba_device *adev, struct amba_id *id) amba_set_drvdata(adev, ldata); - if (request_irq(adev->irq[0], pl031_interrupt, IRQF_DISABLED, - "rtc-pl031", ldata->rtc)) { - ret = -EIO; - goto out_no_irq; - } + ldata->hw_designer = amba_manf(adev); + ldata->hw_revision = amba_rev(adev); + + dev_dbg(&adev->dev, "designer ID = 0x%02x\n", ldata->hw_designer); + dev_dbg(&adev->dev, "revision = 0x%01x\n", ldata->hw_revision); - ldata->rtc = rtc_device_register("pl031", &adev->dev, &pl031_ops, - THIS_MODULE); + /* Enable the clockwatch on ST Variants */ + if ((ldata->hw_designer == AMBA_VENDOR_ST) && + (ldata->hw_revision > 1)) + writel(readl(ldata->base + RTC_CR) | RTC_CR_CWEN, + ldata->base + RTC_CR); + + ldata->rtc = rtc_device_register("pl031", &adev->dev, ops, + THIS_MODULE); if (IS_ERR(ldata->rtc)) { ret = PTR_ERR(ldata->rtc); goto out_no_rtc; } + if (request_irq(adev->irq[0], pl031_interrupt, + IRQF_DISABLED | IRQF_SHARED, "rtc-pl031", ldata)) { + ret = -EIO; + goto out_no_irq; + } + return 0; -out_no_rtc: - free_irq(adev->irq[0], ldata->rtc); out_no_irq: + rtc_device_unregister(ldata->rtc); +out_no_rtc: iounmap(ldata->base); amba_set_drvdata(adev, NULL); out_no_remap: @@ -175,13 +420,57 @@ out_no_remap: out: amba_release_regions(adev); err_req: + return ret; } +/* Operations for the original ARM version */ +static struct rtc_class_ops arm_pl031_ops = { + .read_time = pl031_read_time, + .set_time = pl031_set_time, + .read_alarm = pl031_read_alarm, + .set_alarm = pl031_set_alarm, + .alarm_irq_enable = pl031_alarm_irq_enable, +}; + +/* The First ST derivative */ +static struct rtc_class_ops stv1_pl031_ops = { + .read_time = pl031_read_time, + .set_time = pl031_set_time, + .read_alarm = pl031_read_alarm, + .set_alarm = pl031_set_alarm, + .alarm_irq_enable = pl031_alarm_irq_enable, + .irq_set_state = pl031_irq_set_state, + .irq_set_freq = pl031_irq_set_freq, +}; + +/* And the second ST derivative */ +static struct rtc_class_ops stv2_pl031_ops = { + .read_time = pl031_stv2_read_time, + .set_time = pl031_stv2_set_time, + .read_alarm = pl031_stv2_read_alarm, + .set_alarm = pl031_stv2_set_alarm, + .alarm_irq_enable = pl031_alarm_irq_enable, + .irq_set_state = pl031_irq_set_state, + .irq_set_freq = pl031_irq_set_freq, +}; + static struct amba_id pl031_ids[] __initdata = { { .id = 0x00041031, .mask = 0x000fffff, + .data = &arm_pl031_ops, + }, + /* ST Micro variants */ + { + .id = 0x00180031, + .mask = 0x00ffffff, + .data = &stv1_pl031_ops, + }, + { + .id = 0x00280031, + .mask = 0x00ffffff, + .data = &stv2_pl031_ops, }, {0, 0}, }; diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index ef7adc8..ce6c353 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -71,6 +71,7 @@ struct uart_amba_port { unsigned int im; /* interrupt mask */ unsigned int old_status; unsigned int ifls; /* vendor-specific */ + bool autorts; }; /* There is by now at least one vendor with differing details, so handle it */ @@ -308,6 +309,11 @@ static void pl011_set_mctrl(struct uart_port *port, unsigned int mctrl) TIOCMBIT(TIOCM_OUT1, UART011_CR_OUT1); TIOCMBIT(TIOCM_OUT2, UART011_CR_OUT2); TIOCMBIT(TIOCM_LOOP, UART011_CR_LBE); + + if (uap->autorts) { + /* We need to disable auto-RTS if we want to turn RTS off */ + TIOCMBIT(TIOCM_RTS, UART011_CR_RTSEN); + } #undef TIOCMBIT writew(cr, uap->port.membase + UART011_CR); @@ -437,6 +443,7 @@ static void pl011_shutdown(struct uart_port *port) /* * disable the port */ + uap->autorts = false; writew(UART01x_CR_UARTEN | UART011_CR_TXE, uap->port.membase + UART011_CR); /* @@ -456,6 +463,7 @@ static void pl011_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { + struct uart_amba_port *uap = (struct uart_amba_port *)port; unsigned int lcr_h, old_cr; unsigned long flags; unsigned int baud, quot; @@ -532,6 +540,17 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, old_cr = readw(port->membase + UART011_CR); writew(0, port->membase + UART011_CR); + if (termios->c_cflag & CRTSCTS) { + if (old_cr & UART011_CR_RTS) + old_cr |= UART011_CR_RTSEN; + + old_cr |= UART011_CR_CTSEN; + uap->autorts = true; + } else { + old_cr &= ~(UART011_CR_CTSEN | UART011_CR_RTSEN); + uap->autorts = false; + } + /* Set baud rate */ writew(quot & 0x3f, port->membase + UART011_FBRD); writew(quot >> 6, port->membase + UART011_IBRD); diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c index ff5bbb9..9aeb681 100644 --- a/drivers/spi/amba-pl022.c +++ b/drivers/spi/amba-pl022.c @@ -363,6 +363,7 @@ struct pl022 { void *rx_end; enum ssp_reading read; enum ssp_writing write; + u32 exp_fifo_level; }; /** @@ -501,6 +502,9 @@ static int flush(struct pl022 *pl022) while (readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RNE) readw(SSP_DR(pl022->virtbase)); } while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_BSY) && limit--); + + pl022->exp_fifo_level = 0; + return limit; } @@ -583,10 +587,9 @@ static void readwriter(struct pl022 *pl022) * errons in 8bit wide transfers on ARM variants (just 8 words * FIFO, means only 8x8 = 64 bits in FIFO) at least. * - * FIXME: currently we have no logic to account for this. - * perhaps there is even something broken in HW regarding - * 8bit transfers (it doesn't fail on 16bit) so this needs - * more investigation... + * To prevent this issue, the TX FIFO is only filled to the + * unused RX FIFO fill length, regardless of what the TX + * FIFO status flag indicates. */ dev_dbg(&pl022->adev->dev, "%s, rx: %p, rxend: %p, tx: %p, txend: %p\n", @@ -613,11 +616,12 @@ static void readwriter(struct pl022 *pl022) break; } pl022->rx += (pl022->cur_chip->n_bytes); + pl022->exp_fifo_level--; } /* - * Write as much as you can, while keeping an eye on the RX FIFO! + * Write as much as possible up to the RX FIFO size */ - while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_TNF) + while ((pl022->exp_fifo_level < pl022->vendor->fifodepth) && (pl022->tx < pl022->tx_end)) { switch (pl022->write) { case WRITING_NULL: @@ -634,6 +638,7 @@ static void readwriter(struct pl022 *pl022) break; } pl022->tx += (pl022->cur_chip->n_bytes); + pl022->exp_fifo_level++; /* * This inner reader takes care of things appearing in the RX * FIFO as we're transmitting. This will happen a lot since the @@ -660,6 +665,7 @@ static void readwriter(struct pl022 *pl022) break; } pl022->rx += (pl022->cur_chip->n_bytes); + pl022->exp_fifo_level--; } } /* diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c index 430a584..c7a9479 100644 --- a/drivers/watchdog/pnx4008_wdt.c +++ b/drivers/watchdog/pnx4008_wdt.c @@ -96,9 +96,6 @@ static void wdt_enable(void) { spin_lock(&io_lock); - if (wdt_clk) - clk_set_rate(wdt_clk, 1); - /* stop counter, initiate counter reset */ __raw_writel(RESET_COUNT, WDTIM_CTRL(wdt_base)); /*wait for reset to complete. 100% guarantee event */ @@ -125,19 +122,25 @@ static void wdt_disable(void) spin_lock(&io_lock); __raw_writel(0, WDTIM_CTRL(wdt_base)); /*stop counter */ - if (wdt_clk) - clk_set_rate(wdt_clk, 0); spin_unlock(&io_lock); } static int pnx4008_wdt_open(struct inode *inode, struct file *file) { + int ret; + if (test_and_set_bit(WDT_IN_USE, &wdt_status)) return -EBUSY; clear_bit(WDT_OK_TO_CLOSE, &wdt_status); + ret = clk_enable(wdt_clk); + if (ret) { + clear_bit(WDT_IN_USE, &wdt_status); + return ret; + } + wdt_enable(); return nonseekable_open(inode, file); @@ -225,6 +228,7 @@ static int pnx4008_wdt_release(struct inode *inode, struct file *file) printk(KERN_WARNING "WATCHDOG: Device closed unexpectdly\n"); wdt_disable(); + clk_disable(wdt_clk); clear_bit(WDT_IN_USE, &wdt_status); clear_bit(WDT_OK_TO_CLOSE, &wdt_status); @@ -273,25 +277,33 @@ static int __devinit pnx4008_wdt_probe(struct platform_device *pdev) } wdt_base = (void __iomem *)IO_ADDRESS(res->start); - wdt_clk = clk_get(&pdev->dev, "wdt_ck"); + wdt_clk = clk_get(&pdev->dev, NULL); if (IS_ERR(wdt_clk)) { ret = PTR_ERR(wdt_clk); release_resource(wdt_mem); kfree(wdt_mem); goto out; - } else - clk_set_rate(wdt_clk, 1); + } + + ret = clk_enable(wdt_clk); + if (ret) { + release_resource(wdt_mem); + kfree(wdt_mem); + goto out; + } ret = misc_register(&pnx4008_wdt_miscdev); if (ret < 0) { printk(KERN_ERR MODULE_NAME "cannot register misc device\n"); release_resource(wdt_mem); kfree(wdt_mem); - clk_set_rate(wdt_clk, 0); + clk_disable(wdt_clk); + clk_put(wdt_clk); } else { boot_status = (__raw_readl(WDTIM_RES(wdt_base)) & WDOG_RESET) ? WDIOF_CARDRESET : 0; wdt_disable(); /*disable for now */ + clk_disable(wdt_clk); set_bit(WDT_DEVICE_INITED, &wdt_status); } @@ -302,11 +314,10 @@ out: static int __devexit pnx4008_wdt_remove(struct platform_device *pdev) { misc_deregister(&pnx4008_wdt_miscdev); - if (wdt_clk) { - clk_set_rate(wdt_clk, 0); - clk_put(wdt_clk); - wdt_clk = NULL; - } + + clk_disable(wdt_clk); + clk_put(wdt_clk); + if (wdt_mem) { release_resource(wdt_mem); kfree(wdt_mem); diff --git a/include/linux/i2c-pnx.h b/include/linux/i2c-pnx.h index 9eb07bb..a87124d 100644 --- a/include/linux/i2c-pnx.h +++ b/include/linux/i2c-pnx.h @@ -12,9 +12,8 @@ #ifndef __I2C_PNX_H__ #define __I2C_PNX_H__ -#include <linux/pm.h> - struct platform_device; +struct clk; struct i2c_pnx_mif { int ret; /* Return value */ @@ -26,20 +25,18 @@ struct i2c_pnx_mif { }; struct i2c_pnx_algo_data { - u32 base; - u32 ioaddr; - int irq; + void __iomem *ioaddr; struct i2c_pnx_mif mif; int last; + struct clk *clk; + struct i2c_pnx_data *i2c_pnx; + struct i2c_adapter adapter; }; struct i2c_pnx_data { - int (*suspend) (struct platform_device *pdev, pm_message_t state); - int (*resume) (struct platform_device *pdev); - u32 (*calculate_input_freq) (struct platform_device *pdev); - int (*set_clock_run) (struct platform_device *pdev); - int (*set_clock_stop) (struct platform_device *pdev); - struct i2c_adapter *adapter; + const char *name; + u32 base; + int irq; }; #endif /* __I2C_PNX_H__ */ diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 2d16fa6..3a5aeb3 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2087,7 +2087,7 @@ static void set_huge_ptep_writable(struct vm_area_struct *vma, entry = pte_mkwrite(pte_mkdirty(huge_ptep_get(ptep))); if (huge_ptep_set_access_flags(vma, address, ptep, entry, 1)) { - update_mmu_cache(vma, address, entry); + update_mmu_cache(vma, address, ptep); } } @@ -2558,7 +2558,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, entry = pte_mkyoung(entry); if (huge_ptep_set_access_flags(vma, address, ptep, entry, flags & FAULT_FLAG_WRITE)) - update_mmu_cache(vma, address, entry); + update_mmu_cache(vma, address, ptep); out_page_table_lock: spin_unlock(&mm->page_table_lock); diff --git a/mm/memory.c b/mm/memory.c index 09e4b1b..72fb5f3 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1593,7 +1593,7 @@ static int insert_pfn(struct vm_area_struct *vma, unsigned long addr, /* Ok, finally just insert the thing.. */ entry = pte_mkspecial(pfn_pte(pfn, prot)); set_pte_at(mm, addr, pte, entry); - update_mmu_cache(vma, addr, entry); /* XXX: why not for insert_page? */ + update_mmu_cache(vma, addr, pte); /* XXX: why not for insert_page? */ retval = 0; out_unlock: @@ -2116,7 +2116,7 @@ reuse: entry = pte_mkyoung(orig_pte); entry = maybe_mkwrite(pte_mkdirty(entry), vma); if (ptep_set_access_flags(vma, address, page_table, entry,1)) - update_mmu_cache(vma, address, entry); + update_mmu_cache(vma, address, page_table); ret |= VM_FAULT_WRITE; goto unlock; } @@ -2185,7 +2185,7 @@ gotten: * new page to be mapped directly into the secondary page table. */ set_pte_at_notify(mm, address, page_table, entry); - update_mmu_cache(vma, address, entry); + update_mmu_cache(vma, address, page_table); if (old_page) { /* * Only after switching the pte to the new page may @@ -2629,7 +2629,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, } /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, address, pte); + update_mmu_cache(vma, address, page_table); unlock: pte_unmap_unlock(page_table, ptl); out: @@ -2694,7 +2694,7 @@ setpte: set_pte_at(mm, address, page_table, entry); /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, address, entry); + update_mmu_cache(vma, address, page_table); unlock: pte_unmap_unlock(page_table, ptl); return 0; @@ -2855,7 +2855,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, set_pte_at(mm, address, page_table, entry); /* no need to invalidate: a not-present page won't be cached */ - update_mmu_cache(vma, address, entry); + update_mmu_cache(vma, address, page_table); } else { if (charged) mem_cgroup_uncharge_page(page); @@ -2992,7 +2992,7 @@ static inline int handle_pte_fault(struct mm_struct *mm, } entry = pte_mkyoung(entry); if (ptep_set_access_flags(vma, address, pte, entry, flags & FAULT_FLAG_WRITE)) { - update_mmu_cache(vma, address, entry); + update_mmu_cache(vma, address, pte); } else { /* * This is needed only for protection faults but the arch code diff --git a/mm/migrate.c b/mm/migrate.c index 880bd59..edb6101 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -134,7 +134,7 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma, page_add_file_rmap(new); /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, addr, pte); + update_mmu_cache(vma, addr, ptep); unlock: pte_unmap_unlock(ptep, ptl); out: |
