diff options
Diffstat (limited to 'arch/blackfin')
50 files changed, 1948 insertions, 3286 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index c078849df7f9..f66294b4f9d2 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -348,7 +348,7 @@ config MEM_MT48LC16M16A2TG_75 config MEM_MT48LC32M8A2_75 bool - depends on (BFIN537_STAMP || PNAV10 || BFIN538_EZKIT) + depends on (BFIN518F_EZBRD || BFIN537_STAMP || PNAV10 || BFIN538_EZKIT) default y config MEM_MT48LC8M32B2B5_7 @@ -361,11 +361,6 @@ config MEM_MT48LC32M16A2TG_75 depends on (BFIN527_EZKIT || BFIN527_EZKIT_V2 || BFIN532_IP0X || BLACKSTAMP) default y -config MEM_MT48LC32M8A2_75 - bool - depends on (BFIN518F_EZBRD) - default y - config MEM_MT48H32M16LFCJ_75 bool depends on (BFIN526_EZBRD) @@ -791,6 +786,34 @@ config MEMCPY_L1 If enabled, the memcpy function is linked into L1 instruction memory. (less latency) +config STRCMP_L1 + bool "locate strcmp function in L1 Memory" + default y + help + If enabled, the strcmp function is linked + into L1 instruction memory (less latency). + +config STRNCMP_L1 + bool "locate strncmp function in L1 Memory" + default y + help + If enabled, the strncmp function is linked + into L1 instruction memory (less latency). + +config STRCPY_L1 + bool "locate strcpy function in L1 Memory" + default y + help + If enabled, the strcpy function is linked + into L1 instruction memory (less latency). + +config STRNCPY_L1 + bool "locate strncpy function in L1 Memory" + default y + help + If enabled, the strncpy function is linked + into L1 instruction memory (less latency). + config SYS_BFIN_SPINLOCK_L1 bool "Locate sys_bfin_spinlock function in L1 Memory" default y @@ -1187,32 +1210,6 @@ config PM_BFIN_SLEEP If unsure, select "Sleep Deeper". endchoice -config PM_WAKEUP_BY_GPIO - bool "Allow Wakeup from Standby by GPIO" - depends on PM && !BF54x - -config PM_WAKEUP_GPIO_NUMBER - int "GPIO number" - range 0 47 - depends on PM_WAKEUP_BY_GPIO - default 2 - -choice - prompt "GPIO Polarity" - depends on PM_WAKEUP_BY_GPIO - default PM_WAKEUP_GPIO_POLAR_H -config PM_WAKEUP_GPIO_POLAR_H - bool "Active High" -config PM_WAKEUP_GPIO_POLAR_L - bool "Active Low" -config PM_WAKEUP_GPIO_POLAR_EDGE_F - bool "Falling EDGE" -config PM_WAKEUP_GPIO_POLAR_EDGE_R - bool "Rising EDGE" -config PM_WAKEUP_GPIO_POLAR_EDGE_B - bool "Both EDGE" -endchoice - comment "Possible Suspend Mem / Hibernate Wake-Up Sources" depends on PM diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index aec89a5280b2..d1825cb24768 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -238,7 +238,7 @@ config EARLY_PRINTK config NMI_WATCHDOG bool "Enable NMI watchdog to help debugging lockup on SMP" default n - depends on (SMP && !BFIN_SCRATCH_REG_RETN) + depends on SMP help If any CPU in the system does not execute the period local timer interrupt for more than 5 seconds, then the NMI handler dumps debug @@ -264,4 +264,13 @@ config BFIN_ISRAM_SELF_TEST help Run some self tests of the isram driver code at boot. +config BFIN_PSEUDODBG_INSNS + bool "Support pseudo debug instructions" + default n + help + This option allows the kernel to emulate some pseudo instructions which + allow simulator test cases to be run under Linux with no changes. + + Most people should say N here. + endmenu diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index e6485c305ea6..121cc04d877d 100644 --- a/arch/blackfin/include/asm/bfin-global.h +++ b/arch/blackfin/include/asm/bfin-global.h @@ -39,9 +39,15 @@ extern unsigned long sclk_to_usecs(unsigned long sclk); extern unsigned long usecs_to_sclk(unsigned long usecs); struct pt_regs; +#if defined(CONFIG_DEBUG_VERBOSE) extern void dump_bfin_process(struct pt_regs *regs); extern void dump_bfin_mem(struct pt_regs *regs); extern void dump_bfin_trace_buffer(void); +#else +#define dump_bfin_process(regs) +#define dump_bfin_mem(regs) +#define dump_bfin_trace_buffer() +#endif /* init functions only */ extern int init_arch_irq(void); diff --git a/arch/blackfin/include/asm/bug.h b/arch/blackfin/include/asm/bug.h index 75f6dc336d46..8d9b1eba89c4 100644 --- a/arch/blackfin/include/asm/bug.h +++ b/arch/blackfin/include/asm/bug.h @@ -9,7 +9,12 @@ #ifdef CONFIG_BUG -#define BFIN_BUG_OPCODE 0xefcd +/* + * This can be any undefined 16-bit opcode, meaning + * ((opcode & 0xc000) != 0xc000) + * Anything from 0x0001 to 0x000A (inclusive) will work + */ +#define BFIN_BUG_OPCODE 0x0001 #ifdef CONFIG_DEBUG_BUGVERBOSE diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h index 8542bc31f63c..93f6c634fdf4 100644 --- a/arch/blackfin/include/asm/cache.h +++ b/arch/blackfin/include/asm/cache.h @@ -15,6 +15,8 @@ #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) #define SMP_CACHE_BYTES L1_CACHE_BYTES +#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES + #ifdef CONFIG_SMP #define __cacheline_aligned #else diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h index 91bd2d7b9d55..01b19d0cf509 100644 --- a/arch/blackfin/include/asm/gpio.h +++ b/arch/blackfin/include/asm/gpio.h @@ -167,23 +167,23 @@ int bfin_special_gpio_request(unsigned gpio, const char *label); #endif #ifdef CONFIG_PM +int bfin_pm_standby_ctrl(unsigned ctrl); -unsigned int bfin_pm_standby_setup(void); -void bfin_pm_standby_restore(void); +static inline int bfin_pm_standby_setup(void) +{ + return bfin_pm_standby_ctrl(1); +} + +static inline void bfin_pm_standby_restore(void) +{ + bfin_pm_standby_ctrl(0); +} void bfin_gpio_pm_hibernate_restore(void); void bfin_gpio_pm_hibernate_suspend(void); #ifndef CONFIG_BF54x -#define PM_WAKE_RISING 0x1 -#define PM_WAKE_FALLING 0x2 -#define PM_WAKE_HIGH 0x4 -#define PM_WAKE_LOW 0x8 -#define PM_WAKE_BOTH_EDGES (PM_WAKE_RISING | PM_WAKE_FALLING) -#define PM_WAKE_IGNORE 0xF0 - -int gpio_pm_wakeup_request(unsigned gpio, unsigned char type); -void gpio_pm_wakeup_free(unsigned gpio); +int gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl); struct gpio_port_s { unsigned short data; diff --git a/arch/blackfin/include/asm/pgtable.h b/arch/blackfin/include/asm/pgtable.h index 821c699c2238..dcca3e6d6e80 100644 --- a/arch/blackfin/include/asm/pgtable.h +++ b/arch/blackfin/include/asm/pgtable.h @@ -80,7 +80,8 @@ PTE_BIT_FUNC(mkyoung, |= _PAGE_ACCESSED); * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ -#define ZERO_PAGE(vaddr) (virt_to_page(0)) +#define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page) +extern char empty_zero_page[]; extern unsigned int kobjsize(const void *objp); diff --git a/arch/blackfin/include/asm/pseudo_instructions.h b/arch/blackfin/include/asm/pseudo_instructions.h new file mode 100644 index 000000000000..b00adfa08169 --- /dev/null +++ b/arch/blackfin/include/asm/pseudo_instructions.h @@ -0,0 +1,18 @@ +/* + * header file for pseudo instructions + * + * Copyright 2010 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef _BLACKFIN_PSEUDO_ +#define _BLACKFIN_PSEUDO_ + +#include <linux/types.h> +#include <asm/ptrace.h> + +extern bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode); +extern bool execute_pseudodbg(struct pt_regs *fp, unsigned int opcode); + +#endif diff --git a/arch/blackfin/include/asm/scatterlist.h b/arch/blackfin/include/asm/scatterlist.h index 04f448711cd0..64d41d34ab0b 100644 --- a/arch/blackfin/include/asm/scatterlist.h +++ b/arch/blackfin/include/asm/scatterlist.h @@ -1,27 +1,7 @@ #ifndef _BLACKFIN_SCATTERLIST_H #define _BLACKFIN_SCATTERLIST_H -#include <linux/mm.h> - -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - unsigned int offset; - dma_addr_t dma_address; - unsigned int length; -}; - -/* - * These macros should be used after a pci_map_sg call has been done - * to get bus addresses of each of the SG entries and their lengths. - * You should only work with the number of sg entries pci_map_sg - * returns, or alternatively stop on the first sg_dma_len(sg) which - * is 0. - */ -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->length) +#include <asm-generic/scatterlist.h> #define ISA_DMA_THRESHOLD (0xffffffff) diff --git a/arch/blackfin/include/asm/string.h b/arch/blackfin/include/asm/string.h index d7f0ccb418c3..423c099aa988 100644 --- a/arch/blackfin/include/asm/string.h +++ b/arch/blackfin/include/asm/string.h @@ -12,121 +12,16 @@ #ifdef __KERNEL__ /* only set these up for kernel code */ #define __HAVE_ARCH_STRCPY -extern inline char *strcpy(char *dest, const char *src) -{ - char *xdest = dest; - char temp = 0; - - __asm__ __volatile__ ( - "1:" - "%2 = B [%1++] (Z);" - "B [%0++] = %2;" - "CC = %2;" - "if cc jump 1b (bp);" - : "+&a" (dest), "+&a" (src), "=&d" (temp) - : - : "memory", "CC"); - - return xdest; -} +extern char *strcpy(char *dest, const char *src); #define __HAVE_ARCH_STRNCPY -extern inline char *strncpy(char *dest, const char *src, size_t n) -{ - char *xdest = dest; - char temp = 0; - - if (n == 0) - return xdest; - - __asm__ __volatile__ ( - "1:" - "%3 = B [%1++] (Z);" - "B [%0++] = %3;" - "CC = %3;" - "if ! cc jump 2f;" - "%2 += -1;" - "CC = %2 == 0;" - "if ! cc jump 1b (bp);" - "jump 4f;" - "2:" - /* if src is shorter than n, we need to null pad bytes now */ - "%3 = 0;" - "3:" - "%2 += -1;" - "CC = %2 == 0;" - "if cc jump 4f;" - "B [%0++] = %3;" - "jump 3b;" - "4:" - : "+&a" (dest), "+&a" (src), "+&da" (n), "=&d" (temp) - : - : "memory", "CC"); - - return xdest; -} +extern char *strncpy(char *dest, const char *src, size_t n); #define __HAVE_ARCH_STRCMP -extern inline int strcmp(const char *cs, const char *ct) -{ - /* need to use int's here so the char's in the assembly don't get - * sign extended incorrectly when we don't want them to be - */ - int __res1, __res2; - - __asm__ __volatile__ ( - "1:" - "%2 = B[%0++] (Z);" /* get *cs */ - "%3 = B[%1++] (Z);" /* get *ct */ - "CC = %2 == %3;" /* compare a byte */ - "if ! cc jump 2f;" /* not equal, break out */ - "CC = %2;" /* at end of cs? */ - "if cc jump 1b (bp);" /* no, keep going */ - "jump.s 3f;" /* strings are equal */ - "2:" - "%2 = %2 - %3;" /* *cs - *ct */ - "3:" - : "+&a" (cs), "+&a" (ct), "=&d" (__res1), "=&d" (__res2) - : - : "memory", "CC"); - - return __res1; -} +extern int strcmp(const char *cs, const char *ct); #define __HAVE_ARCH_STRNCMP -extern inline int strncmp(const char *cs, const char *ct, size_t count) -{ - /* need to use int's here so the char's in the assembly don't get - * sign extended incorrectly when we don't want them to be - */ - int __res1, __res2; - - if (!count) - return 0; - - __asm__ __volatile__ ( - "1:" - "%3 = B[%0++] (Z);" /* get *cs */ - "%4 = B[%1++] (Z);" /* get *ct */ - "CC = %3 == %4;" /* compare a byte */ - "if ! cc jump 3f;" /* not equal, break out */ - "CC = %3;" /* at end of cs? */ - "if ! cc jump 4f;" /* yes, all done */ - "%2 += -1;" /* no, adjust count */ - "CC = %2 == 0;" - "if ! cc jump 1b;" /* more to do, keep going */ - "2:" - "%3 = 0;" /* strings are equal */ - "jump.s 4f;" - "3:" - "%3 = %3 - %4;" /* *cs - *ct */ - "4:" - : "+&a" (cs), "+&a" (ct), "+&da" (count), "=&d" (__res1), "=&d" (__res2) - : - : "memory", "CC"); - - return __res1; -} +extern int strncmp(const char *cs, const char *ct, size_t count); #define __HAVE_ARCH_MEMSET extern void *memset(void *s, int c, size_t count); diff --git a/arch/blackfin/include/asm/tlbflush.h b/arch/blackfin/include/asm/tlbflush.h index f1a06c006ed0..7c368682c0a3 100644 --- a/arch/blackfin/include/asm/tlbflush.h +++ b/arch/blackfin/include/asm/tlbflush.h @@ -1 +1,2 @@ #include <asm-generic/tlbflush.h> +#define flush_tlb_kernel_range(s, e) do { } while (0) diff --git a/arch/blackfin/include/asm/trace.h b/arch/blackfin/include/asm/trace.h index dc0aa55ae773..33589a29b8d8 100644 --- a/arch/blackfin/include/asm/trace.h +++ b/arch/blackfin/include/asm/trace.h @@ -23,6 +23,13 @@ #ifndef __ASSEMBLY__ extern unsigned long trace_buff_offset; extern unsigned long software_trace_buff[]; +#if defined(CONFIG_DEBUG_VERBOSE) +extern void decode_address(char *buf, unsigned long address); +extern bool get_instruction(unsigned int *val, unsigned short *address); +#else +static inline void decode_address(char *buf, unsigned long address) { } +static inline bool get_instruction(unsigned int *val, unsigned short *address) { return false; } +#endif /* Trace Macros for C files */ diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile index 346a421f1562..30d0d1f01dc7 100644 --- a/arch/blackfin/kernel/Makefile +++ b/arch/blackfin/kernel/Makefile @@ -7,7 +7,8 @@ extra-y := init_task.o vmlinux.lds obj-y := \ entry.o process.o bfin_ksyms.o ptrace.o setup.o signal.o \ sys_bfin.o traps.o irqchip.o dma-mapping.o flat.o \ - fixed_code.o reboot.o bfin_gpio.o bfin_dma_5xx.o + fixed_code.o reboot.o bfin_gpio.o bfin_dma_5xx.o \ + exception.o dumpstack.o ifeq ($(CONFIG_GENERIC_CLOCKEVENTS),y) obj-y += time-ts.o @@ -29,6 +30,8 @@ obj-$(CONFIG_NMI_WATCHDOG) += nmi.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_EARLY_PRINTK) += shadow_console.o obj-$(CONFIG_STACKTRACE) += stacktrace.o +obj-$(CONFIG_DEBUG_VERBOSE) += trace.o +obj-$(CONFIG_BFIN_PSEUDODBG_INSNS) += pseudodbg.o # the kgdb test puts code into L2 and without linker # relaxation, we need to force long calls to/from it diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index e35e20f00d9b..42833ee2b308 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -475,9 +475,7 @@ GET_GPIO_P(maskb) #ifdef CONFIG_PM - static unsigned short wakeup_map[GPIO_BANK_NUM]; -static unsigned char wakeup_flags_map[MAX_BLACKFIN_GPIOS]; static const unsigned int sic_iwr_irqs[] = { #if defined(BF533_FAMILY) @@ -514,112 +512,26 @@ static const unsigned int sic_iwr_irqs[] = { ************************************************************* * MODIFICATION HISTORY : **************************************************************/ -int gpio_pm_wakeup_request(unsigned gpio, unsigned char type) -{ - unsigned long flags; - - if ((check_gpio(gpio) < 0) || !type) - return -EINVAL; - - local_irq_save_hw(flags); - wakeup_map[gpio_bank(gpio)] |= gpio_bit(gpio); - wakeup_flags_map[gpio] = type; - local_irq_restore_hw(flags); - - return 0; -} -EXPORT_SYMBOL(gpio_pm_wakeup_request); - -void gpio_pm_wakeup_free(unsigned gpio) +int gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl) { unsigned long flags; if (check_gpio(gpio) < 0) - return; + return -EINVAL; local_irq_save_hw(flags); - - wakeup_map[gpio_bank(gpio)] &= ~gpio_bit(gpio); - - local_irq_restore_hw(flags); -} -EXPORT_SYMBOL(gpio_pm_wakeup_free); - -static int bfin_gpio_wakeup_type(unsigned gpio, unsigned char type) -{ - port_setup(gpio, GPIO_USAGE); - set_gpio_dir(gpio, 0); - set_gpio_inen(gpio, 1); - - if (type & (PM_WAKE_RISING | PM_WAKE_FALLING)) - set_gpio_edge(gpio, 1); - else - set_gpio_edge(gpio, 0); - - if ((type & (PM_WAKE_BOTH_EDGES)) == (PM_WAKE_BOTH_EDGES)) - set_gpio_both(gpio, 1); + if (ctrl) + wakeup_map[gpio_bank(gpio)] |= gpio_bit(gpio); else - set_gpio_both(gpio, 0); - - if ((type & (PM_WAKE_FALLING | PM_WAKE_LOW))) - set_gpio_polar(gpio, 1); - else - set_gpio_polar(gpio, 0); + wakeup_map[gpio_bank(gpio)] &= ~gpio_bit(gpio); - SSYNC(); - - return 0; -} - -u32 bfin_pm_standby_setup(void) -{ - u16 bank, mask, i, gpio; - - for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) { - mask = wakeup_map[gpio_bank(i)]; - bank = gpio_bank(i); - - gpio_bank_saved[bank].maskb = gpio_array[bank]->maskb; - gpio_array[bank]->maskb = 0; - - if (mask) { -#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x) - gpio_bank_saved[bank].fer = *port_fer[bank]; -#endif - gpio_bank_saved[bank].inen = gpio_array[bank]->inen; - gpio_bank_saved[bank].polar = gpio_array[bank]->polar; - gpio_bank_saved[bank].dir = gpio_array[bank]->dir; - gpio_bank_saved[bank].edge = gpio_array[bank]->edge; - gpio_bank_saved[bank].both = gpio_array[bank]->both; - gpio_bank_saved[bank].reserved = - reserved_gpio_map[bank]; - - gpio = i; - - while (mask) { - if ((mask & 1) && (wakeup_flags_map[gpio] != - PM_WAKE_IGNORE)) { - reserved_gpio_map[gpio_bank(gpio)] |= - gpio_bit(gpio); - bfin_gpio_wakeup_type(gpio, - wakeup_flags_map[gpio]); - set_gpio_data(gpio, 0); /*Clear*/ - } - gpio++; - mask >>= 1; - } - - bfin_internal_set_wake(sic_iwr_irqs[bank], 1); - gpio_array[bank]->maskb_set = wakeup_map[gpio_bank(i)]; - } - } - - AWA_DUMMY_READ(maskb_set); + set_gpio_maskb(gpio, ctrl); + local_irq_restore_hw(flags); return 0; } -void bfin_pm_standby_restore(void) +int bfin_pm_standby_ctrl(unsigned ctrl) { u16 bank, mask, i; @@ -627,24 +539,10 @@ void bfin_pm_standby_restore(void) mask = wakeup_map[gpio_bank(i)]; bank = gpio_bank(i); - if (mask) { -#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x) - *port_fer[bank] = gpio_bank_saved[bank].fer; -#endif - gpio_array[bank]->inen = gpio_bank_saved[bank].inen; - gpio_array[bank]->dir = gpio_bank_saved[bank].dir; - gpio_array[bank]->polar = gpio_bank_saved[bank].polar; - gpio_array[bank]->edge = gpio_bank_saved[bank].edge; - gpio_array[bank]->both = gpio_bank_saved[bank].both; - - reserved_gpio_map[bank] = - gpio_bank_saved[bank].reserved; - bfin_internal_set_wake(sic_iwr_irqs[bank], 0); - } - - gpio_array[bank]->maskb = gpio_bank_saved[bank].maskb; + if (mask) + bfin_internal_set_wake(sic_iwr_irqs[bank], ctrl); } - AWA_DUMMY_READ(maskb); + return 0; } void bfin_gpio_pm_hibernate_suspend(void) @@ -708,16 +606,11 @@ void bfin_gpio_pm_hibernate_restore(void) #else /* CONFIG_BF54x */ #ifdef CONFIG_PM -u32 bfin_pm_standby_setup(void) +int bfin_pm_standby_ctrl(unsigned ctrl) { return 0; } -void bfin_pm_standby_restore(void) -{ - -} - void bfin_gpio_pm_hibernate_suspend(void) { int i, bank; diff --git a/arch/blackfin/kernel/bfin_ksyms.c b/arch/blackfin/kernel/bfin_ksyms.c index ed8392c117ea..2c264b51566a 100644 --- a/arch/blackfin/kernel/bfin_ksyms.c +++ b/arch/blackfin/kernel/bfin_ksyms.c @@ -33,6 +33,18 @@ EXPORT_SYMBOL(memmove); EXPORT_SYMBOL(memchr); /* + * Because string functions are both inline and exported functions and + * folder arch/blackfin/lib is configured as a library path in Makefile, + * symbols exported in folder lib is not linked into built-in.o but + * inlined only. In order to export string symbols to kernel module + * properly, they should be exported here. + */ +EXPORT_SYMBOL(strcpy); +EXPORT_SYMBOL(strncpy); +EXPORT_SYMBOL(strcmp); +EXPORT_SYMBOL(strncmp); + +/* * libgcc functions - functions that are used internally by the * compiler... (prototypes are not correct though, but that * doesn't really matter since they're not versioned). diff --git a/arch/blackfin/kernel/dumpstack.c b/arch/blackfin/kernel/dumpstack.c new file mode 100644 index 000000000000..5cfbaa298211 --- /dev/null +++ b/arch/blackfin/kernel/dumpstack.c @@ -0,0 +1,174 @@ +/* Provide basic stack dumping functions + * + * Copyright 2004-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later + */ + +#include <linux/kernel.h> +#include <linux/thread_info.h> +#include <linux/mm.h> +#include <linux/uaccess.h> +#include <linux/module.h> +#include <asm/trace.h> + +/* + * Checks to see if the address pointed to is either a + * 16-bit CALL instruction, or a 32-bit CALL instruction + */ +static bool is_bfin_call(unsigned short *addr) +{ + unsigned int opcode; + + if (!get_instruction(&opcode, addr)) + return false; + + if ((opcode >= 0x0060 && opcode <= 0x0067) || + (opcode >= 0x0070 && opcode <= 0x0077) || + (opcode >= 0xE3000000 && opcode <= 0xE3FFFFFF)) + return true; + + return false; + +} + +void show_stack(struct task_struct *task, unsigned long *stack) +{ +#ifdef CONFIG_PRINTK + unsigned int *addr, *endstack, *fp = 0, *frame; + unsigned short *ins_addr; + char buf[150]; + unsigned int i, j, ret_addr, frame_no = 0; + + /* + * If we have been passed a specific stack, use that one otherwise + * if we have been passed a task structure, use that, otherwise + * use the stack of where the variable "stack" exists + */ + + if (stack == NULL) { + if (task) { + /* We know this is a kernel stack, so this is the start/end */ + stack = (unsigned long *)task->thread.ksp; + endstack = (unsigned int *)(((unsigned int)(stack) & ~(THREAD_SIZE - 1)) + THREAD_SIZE); + } else { + /* print out the existing stack info */ + stack = (unsigned long *)&stack; + endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack); + } + } else + endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack); + + printk(KERN_NOTICE "Stack info:\n"); + decode_address(buf, (unsigned int)stack); + printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf); + + if (!access_ok(VERIFY_READ, stack, (unsigned int)endstack - (unsigned int)stack)) { + printk(KERN_NOTICE "Invalid stack pointer\n"); + return; + } + + /* First thing is to look for a frame pointer */ + for (addr = (unsigned int *)((unsigned int)stack & ~0xF); addr < endstack; addr++) { + if (*addr & 0x1) + continue; + ins_addr = (unsigned short *)*addr; + ins_addr--; + if (is_bfin_call(ins_addr)) + fp = addr - 1; + + if (fp) { + /* Let's check to see if it is a frame pointer */ + while (fp >= (addr - 1) && fp < endstack + && fp && ((unsigned int) fp & 0x3) == 0) + fp = (unsigned int *)*fp; + if (fp == 0 || fp == endstack) { + fp = addr - 1; + break; + } + fp = 0; + } + } + if (fp) { + frame = fp; + printk(KERN_NOTICE " FP: (0x%p)\n", fp); + } else + frame = 0; + + /* + * Now that we think we know where things are, we + * walk the stack again, this time printing things out + * incase there is no frame pointer, we still look for + * valid return addresses + */ + + /* First time print out data, next time, print out symbols */ + for (j = 0; j <= 1; j++) { + if (j) + printk(KERN_NOTICE "Return addresses in stack:\n"); + else + printk(KERN_NOTICE " Memory from 0x%08lx to %p", ((long unsigned int)stack & ~0xF), endstack); + + fp = frame; + frame_no = 0; + + for (addr = (unsigned int *)((unsigned int)stack & ~0xF), i = 0; + addr < endstack; addr++, i++) { + + ret_addr = 0; + if (!j && i % 8 == 0) + printk(KERN_NOTICE "%p:", addr); + + /* if it is an odd address, or zero, just skip it */ + if (*addr & 0x1 || !*addr) + goto print; + + ins_addr = (unsigned short *)*addr; + + /* Go back one instruction, and see if it is a CALL */ + ins_addr--; + ret_addr = is_bfin_call(ins_addr); + print: + if (!j && stack == (unsigned long *)addr) + printk("[%08x]", *addr); + else if (ret_addr) + if (j) { + decode_address(buf, (unsigned int)*addr); + if (frame == addr) { + printk(KERN_NOTICE " frame %2i : %s\n", frame_no, buf); + continue; + } + printk(KERN_NOTICE " address : %s\n", buf); + } else + printk("<%08x>", *addr); + else if (fp == addr) { + if (j) + frame = addr+1; + else + printk("(%08x)", *addr); + + fp = (unsigned int *)*addr; + frame_no++; + + } else if (!j) + printk(" %08x ", *addr); + } + if (!j) + printk("\n"); + } +#endif +} +EXPORT_SYMBOL(show_stack); + +void dump_stack(void) +{ + unsigned long stack; +#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON + int tflags; +#endif + trace_buffer_save(tflags); + dump_bfin_trace_buffer(); + show_stack(current, &stack); + trace_buffer_restore(tflags); +} +EXPORT_SYMBOL(dump_stack); diff --git a/arch/blackfin/kernel/exception.c b/arch/blackfin/kernel/exception.c new file mode 100644 index 000000000000..9208b5fd5186 --- /dev/null +++ b/arch/blackfin/kernel/exception.c @@ -0,0 +1,45 @@ +/* Basic functions for adding/removing custom exception handlers + * + * Copyright 2004-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later + */ + +#include <linux/module.h> +#include <asm/irq_handler.h> + +int bfin_request_exception(unsigned int exception, void (*handler)(void)) +{ + void (*curr_handler)(void); + + if (exception > 0x3F) + return -EINVAL; + + curr_handler = ex_table[exception]; + + if (curr_handler != ex_replaceable) + return -EBUSY; + + ex_table[exception] = handler; + + return 0; +} +EXPORT_SYMBOL(bfin_request_exception); + +int bfin_free_exception(unsigned int exception, void (*handler)(void)) +{ + void (*curr_handler)(void); + + if (exception > 0x3F) + return -EINVAL; + + curr_handler = ex_table[exception]; + + if (curr_handler != handler) + return -EBUSY; + + ex_table[exception] = ex_replaceable; + + return 0; +} +EXPORT_SYMBOL(bfin_free_exception); diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c index 7367aea4ae59..08bc44ea6883 100644 --- a/arch/blackfin/kernel/kgdb.c +++ b/arch/blackfin/kernel/kgdb.c @@ -66,7 +66,7 @@ void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) gdb_regs[BFIN_RETN] = regs->retn; gdb_regs[BFIN_RETE] = regs->rete; gdb_regs[BFIN_PC] = regs->pc; - gdb_regs[BFIN_CC] = 0; + gdb_regs[BFIN_CC] = (regs->astat >> 5) & 1; gdb_regs[BFIN_EXTRA1] = 0; gdb_regs[BFIN_EXTRA2] = 0; gdb_regs[BFIN_EXTRA3] = 0; diff --git a/arch/blackfin/kernel/pseudodbg.c b/arch/blackfin/kernel/pseudodbg.c new file mode 100644 index 000000000000..db85bc94334e --- /dev/null +++ b/arch/blackfin/kernel/pseudodbg.c @@ -0,0 +1,191 @@ +/* The fake debug assert instructions + * + * Copyright 2010 Analog Devices Inc. + * + * Licensed under the GPL-2 or later + */ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/ptrace.h> + +const char * const greg_names[] = { + "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", + "P0", "P1", "P2", "P3", "P4", "P5", "SP", "FP", + "I0", "I1", "I2", "I3", "M0", "M1", "M2", "M3", + "B0", "B1", "B2", "B3", "L0", "L1", "L2", "L3", + "A0.X", "A0.W", "A1.X", "A1.W", "<res>", "<res>", "ASTAT", "RETS", + "<res>", "<res>", "<res>", "<res>", "<res>", "<res>", "<res>", "<res>", + "LC0", "LT0", "LB0", "LC1", "LT1", "LB1", "CYCLES", "CYCLES2", + "USP", "SEQSTAT", "SYSCFG", "RETI", "RETX", "RETN", "RETE", "EMUDAT", +}; + +static const char *get_allreg_name(int grp, int reg) +{ + return greg_names[(grp << 3) | reg]; +} + +/* + * Unfortunately, the pt_regs structure is not laid out the same way as the + * hardware register file, so we need to do some fix ups. + * + * CYCLES is not stored in the pt_regs structure - so, we just read it from + * the hardware. + * + * Don't support: + * - All reserved registers + * - All in group 7 are (supervisors only) + */ + +static bool fix_up_reg(struct pt_regs *fp, long *value, int grp, int reg) +{ + long *val = &fp->r0; + unsigned long tmp; + + /* Only do Dregs and Pregs for now */ + if (grp == 5 || + (grp == 4 && (reg == 4 || reg == 5)) || + (grp == 7)) + return false; + + if (grp == 0 || (grp == 1 && reg < 6)) + val -= (reg + 8 * grp); + else if (grp == 1 && reg == 6) + val = &fp->usp; + else if (grp == 1 && reg == 7) + val = &fp->fp; + else if (grp == 2) { + val = &fp->i0; + val -= reg; + } else if (grp == 3 && reg >= 4) { + val = &fp->l0; + val -= (reg - 4); + } else if (grp == 3 && reg < 4) { + val = &fp->b0; + val -= reg; + } else if (grp == 4 && reg < 4) { + val = &fp->a0x; + val -= reg; + } else if (grp == 4 && reg == 6) + val = &fp->astat; + else if (grp == 4 && reg == 7) + val = &fp->rets; + else if (grp == 6 && reg < 6) { + val = &fp->lc0; + val -= reg; + } else if (grp == 6 && reg == 6) { + __asm__ __volatile__("%0 = cycles;\n" : "=d"(tmp)); + val = &tmp; + } else if (grp == 6 && reg == 7) { + __asm__ __volatile__("%0 = cycles2;\n" : "=d"(tmp)); + val = &tmp; + } + + *value = *val; + return true; + +} + +#define PseudoDbg_Assert_opcode 0xf0000000 +#define PseudoDbg_Assert_expected_bits 0 +#define PseudoDbg_Assert_expected_mask 0xffff +#define PseudoDbg_Assert_regtest_bits 16 +#define PseudoDbg_Assert_regtest_mask 0x7 +#define PseudoDbg_Assert_grp_bits 19 +#define PseudoDbg_Assert_grp_mask 0x7 +#define PseudoDbg_Assert_dbgop_bits 22 +#define PseudoDbg_Assert_dbgop_mask 0x3 +#define PseudoDbg_Assert_dontcare_bits 24 +#define PseudoDbg_Assert_dontcare_mask 0x7 +#define PseudoDbg_Assert_code_bits 27 +#define PseudoDbg_Assert_code_mask 0x1f + +/* + * DBGA - debug assert + */ +bool execute_pseudodbg_assert(struct pt_regs *fp, unsigned int opcode) +{ + int expected = ((opcode >> PseudoDbg_Assert_expected_bits) & PseudoDbg_Assert_expected_mask); + int dbgop = ((opcode >> (PseudoDbg_Assert_dbgop_bits)) & PseudoDbg_Assert_dbgop_mask); + int grp = ((opcode >> (PseudoDbg_Assert_grp_bits)) & PseudoDbg_Assert_grp_mask); + int regtest = ((opcode >> (PseudoDbg_Assert_regtest_bits)) & PseudoDbg_Assert_regtest_mask); + long value; + + if ((opcode & 0xFF000000) != PseudoDbg_Assert_opcode) + return false; + + if (!fix_up_reg(fp, &value, grp, regtest)) + return false; + + if (dbgop == 0 || dbgop == 2) { + /* DBGA ( regs_lo , uimm16 ) */ + /* DBGAL ( regs , uimm16 ) */ + if (expected != (value & 0xFFFF)) { + pr_notice("DBGA (%s.L,0x%x) failure, got 0x%x\n", + get_allreg_name(grp, regtest), + expected, (unsigned int)(value & 0xFFFF)); + return false; + } + + } else if (dbgop == 1 || dbgop == 3) { + /* DBGA ( regs_hi , uimm16 ) */ + /* DBGAH ( regs , uimm16 ) */ + if (expected != ((value >> 16) & 0xFFFF)) { + pr_notice("DBGA (%s.H,0x%x) failure, got 0x%x\n", + get_allreg_name(grp, regtest), + expected, (unsigned int)((value >> 16) & 0xFFFF)); + return false; + } + } + + fp->pc += 4; + return true; +} + +#define PseudoDbg_opcode 0xf8000000 +#define PseudoDbg_reg_bits 0 +#define PseudoDbg_reg_mask 0x7 +#define PseudoDbg_grp_bits 3 +#define PseudoDbg_grp_mask 0x7 +#define PseudoDbg_fn_bits 6 +#define PseudoDbg_fn_mask 0x3 +#define PseudoDbg_code_bits 8 +#define PseudoDbg_code_mask 0xff + +/* + * DBG - debug (dump a register value out) + */ +bool execute_pseudodbg(struct pt_regs *fp, unsigned int opcode) +{ + int grp, fn, reg; + long value, value1; + + if ((opcode & 0xFF000000) != PseudoDbg_opcode) + return false; + + opcode >>= 16; + grp = ((opcode >> PseudoDbg_grp_bits) & PseudoDbg_reg_mask); + fn = ((opcode >> PseudoDbg_fn_bits) & PseudoDbg_fn_mask); + reg = ((opcode >> PseudoDbg_reg_bits) & PseudoDbg_reg_mask); + + if (fn == 3 && (reg == 0 || reg == 1)) { + if (!fix_up_reg(fp, &value, 4, 2 * reg)) + return false; + if (!fix_up_reg(fp, &value1, 4, 2 * reg + 1)) + return false; + + pr_notice("DBG A%i = %02lx%08lx\n", reg, value & 0xFF, value1); + fp->pc += 2; + return true; + + } else if (fn == 0) { + if (!fix_up_reg(fp, &value, grp, reg)) + return false; + + pr_notice("DBG %s = %08lx\n", get_allreg_name(grp, reg), value); + fp->pc += 2; + return true; + } + + return false; +} diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 43eb969405d1..6ec77685df52 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -292,28 +292,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } -#ifdef CONFIG_BINFMT_ELF_FDPIC - case PTRACE_GETFDPIC: { - unsigned long tmp = 0; - - switch (addr) { - case_PTRACE_GETFDPIC_EXEC: - case PTRACE_GETFDPIC_EXEC: - tmp = child->mm->context.exec_fdpic_loadmap; - break; - case_PTRACE_GETFDPIC_INTERP: - case PTRACE_GETFDPIC_INTERP: - tmp = child->mm->context.interp_fdpic_loadmap; - break; - default: - break; - } - - ret = put_user(tmp, datap); - break; - } -#endif - /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKEDATA: pr_debug("ptrace: PTRACE_PEEKDATA\n"); @@ -357,8 +335,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_PEEKUSR: switch (addr) { #ifdef CONFIG_BINFMT_ELF_FDPIC /* backwards compat */ - case PT_FDPIC_EXEC: goto case_PTRACE_GETFDPIC_EXEC; - case PT_FDPIC_INTERP: goto case_PTRACE_GETFDPIC_INTERP; + case PT_FDPIC_EXEC: + request = PTRACE_GETFDPIC; + addr = PTRACE_GETFDPIC_EXEC; + goto case_default; + case PT_FDPIC_INTERP: + request = PTRACE_GETFDPIC; + addr = PTRACE_GETFDPIC_INTERP; + goto case_default; #endif default: ret = get_reg(child, addr, datap); @@ -385,6 +369,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) 0, sizeof(struct pt_regs), (const void __user *)data); + case_default: default: ret = ptrace_request(child, request, addr, data); break; diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 8e2efceb364b..d37a397f43f5 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -1,5 +1,5 @@ /* - * Copyright 2004-2009 Analog Devices Inc. + * Copyright 2004-2010 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ @@ -925,7 +925,7 @@ void __init setup_arch(char **cmdline_p) else if (_bfin_swrst & RESET_SOFTWARE) printk(KERN_NOTICE "Reset caused by Software reset\n"); - printk(KERN_INFO "Blackfin support (C) 2004-2009 Analog Devices, Inc.\n"); + printk(KERN_INFO "Blackfin support (C) 2004-2010 Analog Devices, Inc.\n"); if (bfin_compiled_revid() == 0xffff) printk(KERN_INFO "Compiled for ADSP-%s Rev any, running on 0.%d\n", CPU, bfin_revid()); else if (bfin_compiled_revid() == -1) diff --git a/arch/blackfin/kernel/sys_bfin.c b/arch/blackfin/kernel/sys_bfin.c index 2e7f8e10bf87..bdc1e2f0da32 100644 --- a/arch/blackfin/kernel/sys_bfin.c +++ b/arch/blackfin/kernel/sys_bfin.c @@ -47,3 +47,26 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, } EXPORT_SYMBOL(get_fb_unmapped_area); #endif + +/* Needed for legacy userspace atomic emulation */ +static DEFINE_SPINLOCK(bfin_spinlock_lock); + +#ifdef CONFIG_SYS_BFIN_SPINLOCK_L1 +__attribute__((l1_text)) +#endif +asmlinkage int sys_bfin_spinlock(int *p) +{ + int ret, tmp = 0; + + spin_lock(&bfin_spinlock_lock); /* This would also hold kernel preemption. */ + ret = get_user(tmp, p); + if (likely(ret == 0)) { + if (unlikely(tmp)) + ret = 1; + else + put_user(1, p); + } + spin_unlock(&bfin_spinlock_lock); + + return ret; +} diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c new file mode 100644 index 000000000000..59fcdf6b0138 --- /dev/null +++ b/arch/blackfin/kernel/trace.c @@ -0,0 +1,981 @@ +/* provide some functions which dump the trace buffer, in a nice way for people + * to read it, and understand what is going on + * + * Copyright 2004-2010 Analog Devices Inc. + * + * Licensed under the GPL-2 or later + */ + +#include <linux/kernel.h> +#include <linux/hardirq.h> +#include <linux/thread_info.h> +#include <linux/mm.h> +#include <linux/uaccess.h> +#include <linux/module.h> +#include <linux/kallsyms.h> +#include <linux/err.h> +#include <linux/fs.h> +#include <asm/dma.h> +#include <asm/trace.h> +#include <asm/fixed_code.h> +#include <asm/traps.h> +#include <asm/irq_handler.h> + +void decode_address(char *buf, unsigned long address) +{ + struct task_struct *p; + struct mm_struct *mm; + unsigned long flags, offset; + unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic(); + struct rb_node *n; + +#ifdef CONFIG_KALLSYMS + unsigned long symsize; + const char *symname; + char *modname; + char *delim = ":"; + char namebuf[128]; +#endif + + buf += sprintf(buf, "<0x%08lx> ", address); + +#ifdef CONFIG_KALLSYMS + /* look up the address and see if we are in kernel space */ + symname = kallsyms_lookup(address, &symsize, &offset, &modname, namebuf); + + if (symname) { + /* yeah! kernel space! */ + if (!modname) + modname = delim = ""; + sprintf(buf, "{ %s%s%s%s + 0x%lx }", + delim, modname, delim, symname, + (unsigned long)offset); + return; + } +#endif + + if (address >= FIXED_CODE_START && address < FIXED_CODE_END) { + /* Problem in fixed code section? */ + strcat(buf, "/* Maybe fixed code section */"); + return; + + } else if (address < CONFIG_BOOT_LOAD) { + /* Problem somewhere before the kernel start address */ + strcat(buf, "/* Maybe null pointer? */"); + return; + + } else if (address >= COREMMR_BASE) { + strcat(buf, "/* core mmrs */"); + return; + + } else if (address >= SYSMMR_BASE) { + strcat(buf, "/* system mmrs */"); + return; + + } else if (address >= L1_ROM_START && address < L1_ROM_START + L1_ROM_LENGTH) { + strcat(buf, "/* on-chip L1 ROM */"); + return; + + } else if (address >= L1_SCRATCH_START && address < L1_SCRATCH_START + L1_SCRATCH_LENGTH) { + strcat(buf, "/* on-chip scratchpad */"); + return; + + } else if (address >= physical_mem_end && address < ASYNC_BANK0_BASE) { + strcat(buf, "/* unconnected memory */"); + return; + + } else if (address >= ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE && address < BOOT_ROM_START) { + strcat(buf, "/* reserved memory */"); + return; + + } else if (address >= L1_DATA_A_START && address < L1_DATA_A_START + L1_DATA_A_LENGTH) { + strcat(buf, "/* on-chip Data Bank A */"); + return; + + } else if (address >= L1_DATA_B_START && address < L1_DATA_B_START + L1_DATA_B_LENGTH) { + strcat(buf, "/* on-chip Data Bank B */"); + return; + } + + /* + * Don't walk any of the vmas if we are oopsing, it has been known + * to cause problems - corrupt vmas (kernel crashes) cause double faults + */ + if (oops_in_progress) { + strcat(buf, "/* kernel dynamic memory (maybe user-space) */"); + return; + } + + /* looks like we're off in user-land, so let's walk all the + * mappings of all our processes and see if we can't be a whee + * bit more specific + */ + write_lock_irqsave(&tasklist_lock, flags); + for_each_process(p) { + mm = (in_atomic ? p->mm : get_task_mm(p)); + if (!mm) + continue; + + if (!down_read_trylock(&mm->mmap_sem)) { + if (!in_atomic) + mmput(mm); + continue; + } + + for (n = rb_first(&mm->mm_rb); n; n = rb_next(n)) { + struct vm_area_struct *vma; + + vma = rb_entry(n, struct vm_area_struct, vm_rb); + + if (address >= vma->vm_start && address < vma->vm_end) { + char _tmpbuf[256]; + char *name = p->comm; + struct file *file = vma->vm_file; + + if (file) { + char *d_name = d_path(&file->f_path, _tmpbuf, + sizeof(_tmpbuf)); + if (!IS_ERR(d_name)) + name = d_name; + } + + /* FLAT does not have its text aligned to the start of + * the map while FDPIC ELF does ... + */ + + /* before we can check flat/fdpic, we need to + * make sure current is valid + */ + if ((unsigned long)current >= FIXED_CODE_START && + !((unsigned long)current & 0x3)) { + if (current->mm && + (address > current->mm->start_code) && + (address < current->mm->end_code)) + offset = address - current->mm->start_code; + else + offset = (address - vma->vm_start) + + (vma->vm_pgoff << PAGE_SHIFT); + + sprintf(buf, "[ %s + 0x%lx ]", name, offset); + } else + sprintf(buf, "[ %s vma:0x%lx-0x%lx]", + name, vma->vm_start, vma->vm_end); + + up_read(&mm->mmap_sem); + if (!in_atomic) + mmput(mm); + + if (buf[0] == '\0') + sprintf(buf, "[ %s ] dynamic memory", name); + + goto done; + } + } + + up_read(&mm->mmap_sem); + if (!in_atomic) + mmput(mm); + } + + /* + * we were unable to find this address anywhere, + * or some MMs were skipped because they were in use. + */ + sprintf(buf, "/* kernel dynamic memory */"); + +done: + write_unlock_irqrestore(&tasklist_lock, flags); +} + +#define EXPAND_LEN ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 256 - 1) + +/* + * Similar to get_user, do some address checking, then dereference + * Return true on success, false on bad address + */ +bool get_mem16(unsigned short *val, unsigned short *address) +{ + unsigned long addr = (unsigned long)address; + + /* Check for odd addresses */ + if (addr & 0x1) + return false; + + switch (bfin_mem_access_type(addr, 2)) { + case BFIN_MEM_ACCESS_CORE: + case BFIN_MEM_ACCESS_CORE_ONLY: + *val = *address; + return true; + case BFIN_MEM_ACCESS_DMA: + dma_memcpy(val, address, 2); + return true; + case BFIN_MEM_ACCESS_ITEST: + isram_memcpy(val, address, 2); + return true; + default: /* invalid access */ + return false; + } +} + +bool get_instruction(unsigned int *val, unsigned short *address) +{ + unsigned long addr = (unsigned long)address; + unsigned short opcode0, opcode1; + + /* Check for odd addresses */ + if (addr & 0x1) + return false; + + /* MMR region will never have instructions */ + if (addr >= SYSMMR_BASE) + return false; + + /* Scratchpad will never have instructions */ + if (addr >= L1_SCRATCH_START && addr < L1_SCRATCH_START + L1_SCRATCH_LENGTH) + return false; + + /* Data banks will never have instructions */ + if (addr >= BOOT_ROM_START + BOOT_ROM_LENGTH && addr < L1_CODE_START) + return false; + + if (!get_mem16(&opcode0, address)) + return false; + + /* was this a 32-bit instruction? If so, get the next 16 bits */ + if ((opcode0 & 0xc000) == 0xc000) { + if (!get_mem16(&opcode1, address + 1)) + return false; + *val = (opcode0 << 16) + opcode1; + } else + *val = opcode0; + + return true; +} + +#if defined(CONFIG_DEBUG_BFIN_HWTRACE_ON) +/* + * decode the instruction if we are printing out the trace, as it + * makes things easier to follow, without running it through objdump + * Decode the change of flow, and the common load/store instructions + * which are the main cause for faults, and discontinuities in the trace + * buffer. + */ + +#define ProgCtrl_opcode 0x0000 +#define ProgCtrl_poprnd_bits 0 +#define ProgCtrl_poprnd_mask 0xf +#define ProgCtrl_prgfunc_bits 4 +#define ProgCtrl_prgfunc_mask 0xf +#define ProgCtrl_code_bits 8 +#define ProgCtrl_code_mask 0xff + +static void decode_ProgCtrl_0(unsigned int opcode) +{ + int poprnd = ((opcode >> ProgCtrl_poprnd_bits) & ProgCtrl_poprnd_mask); + int prgfunc = ((opcode >> ProgCtrl_prgfunc_bits) & ProgCtrl_prgfunc_mask); + + if (prgfunc == 0 && poprnd == 0) + pr_cont("NOP"); + else if (prgfunc == 1 && poprnd == 0) + pr_cont("RTS"); + else if (prgfunc == 1 && poprnd == 1) + pr_cont("RTI"); + else if (prgfunc == 1 && poprnd == 2) + pr_cont("RTX"); + else if (prgfunc == 1 && poprnd == 3) + pr_cont("RTN"); + else if (prgfunc == 1 && poprnd == 4) + pr_cont("RTE"); + else if (prgfunc == 2 && poprnd == 0) + pr_cont("IDLE"); + else if (prgfunc == 2 && poprnd == 3) + pr_cont("CSYNC"); + else if (prgfunc == 2 && poprnd == 4) + pr_cont("SSYNC"); + else if (prgfunc == 2 && poprnd == 5) + pr_cont("EMUEXCPT"); + else if (prgfunc == 3) + pr_cont("CLI R%i", poprnd); + else if (prgfunc == 4) + pr_cont("STI R%i", poprnd); + else if (prgfunc == 5) + pr_cont("JUMP (P%i)", poprnd); + else if (prgfunc == 6) + pr_cont("CALL (P%i)", poprnd); + else if (prgfunc == 7) + pr_cont("CALL (PC + P%i)", poprnd); + else if (prgfunc == 8) + pr_cont("JUMP (PC + P%i", poprnd); + else if (prgfunc == 9) + pr_cont("RAISE %i", poprnd); + else if (prgfunc == 10) + pr_cont("EXCPT %i", poprnd); + else + pr_cont("0x%04x", opcode); + +} + +#define BRCC_opcode 0x1000 +#define BRCC_offset_bits 0 +#define BRCC_offset_mask 0x3ff +#define BRCC_B_bits 10 +#define BRCC_B_mask 0x1 +#define BRCC_T_bits 11 +#define BRCC_T_mask 0x1 +#define BRCC_code_bits 12 +#define BRCC_code_mask 0xf + +static void decode_BRCC_0(unsigned int opcode) +{ + int B = ((opcode >> BRCC_B_bits) & BRCC_B_mask); + int T = ((opcode >> BRCC_T_bits) & BRCC_T_mask); + + pr_cont("IF %sCC JUMP pcrel %s", T ? "" : "!", B ? "(BP)" : ""); +} + +#define CALLa_opcode 0xe2000000 +#define CALLa_addr_bits 0 +#define CALLa_addr_mask 0xffffff +#define CALLa_S_bits 24 +#define CALLa_S_mask 0x1 +#define CALLa_code_bits 25 +#define CALLa_code_mask 0x7f + +static void decode_CALLa_0(unsigned int opcode) +{ + int S = ((opcode >> (CALLa_S_bits - 16)) & CALLa_S_mask); + + if (S) + pr_cont("CALL pcrel"); + else + pr_cont("JUMP.L"); +} + +#define LoopSetup_opcode 0xe0800000 +#define LoopSetup_eoffset_bits 0 +#define LoopSetup_eoffset_mask 0x3ff +#define LoopSetup_dontcare_bits 10 +#define LoopSetup_dontcare_mask 0x3 +#define LoopSetup_reg_bits 12 +#define LoopSetup_reg_mask 0xf +#define LoopSetup_soffset_bits 16 +#define LoopSetup_soffset_mask 0xf +#define LoopSetup_c_bits 20 +#define LoopSetup_c_mask 0x1 +#define LoopSetup_rop_bits 21 +#define LoopSetup_rop_mask 0x3 +#define LoopSetup_code_bits 23 +#define LoopSetup_code_mask 0x1ff + +static void decode_LoopSetup_0(unsigned int opcode) +{ + int c = ((opcode >> LoopSetup_c_bits) & LoopSetup_c_mask); + int reg = ((opcode >> LoopSetup_reg_bits) & LoopSetup_reg_mask); + int rop = ((opcode >> LoopSetup_rop_bits) & LoopSetup_rop_mask); + + pr_cont("LSETUP <> LC%i", c); + if ((rop & 1) == 1) + pr_cont("= P%i", reg); + if ((rop & 2) == 2) + pr_cont(" >> 0x1"); +} + +#define DspLDST_opcode 0x9c00 +#define DspLDST_reg_bits 0 +#define DspLDST_reg_mask 0x7 +#define DspLDST_i_bits 3 +#define DspLDST_i_mask 0x3 +#define DspLDST_m_bits 5 +#define DspLDST_m_mask 0x3 +#define DspLDST_aop_bits 7 +#define DspLDST_aop_mask 0x3 +#define DspLDST_W_bits 9 +#define DspLDST_W_mask 0x1 +#define DspLDST_code_bits 10 +#define DspLDST_code_mask 0x3f + +static void decode_dspLDST_0(unsigned int opcode) +{ + int i = ((opcode >> DspLDST_i_bits) & DspLDST_i_mask); + int m = ((opcode >> DspLDST_m_bits) & DspLDST_m_mask); + int W = ((opcode >> DspLDST_W_bits) & DspLDST_W_mask); + int aop = ((opcode >> DspLDST_aop_bits) & DspLDST_aop_mask); + int reg = ((opcode >> DspLDST_reg_bits) & DspLDST_reg_mask); + + if (W == 0) { + pr_cont("R%i", reg); + switch (m) { + case 0: + pr_cont(" = "); + break; + case 1: + pr_cont(".L = "); + break; + case 2: + pr_cont(".W = "); + break; + } + } + + pr_cont("[ I%i", i); + + switch (aop) { + case 0: + pr_cont("++ ]"); + break; + case 1: + pr_cont("-- ]"); + break; + } + + if (W == 1) { + pr_cont(" = R%i", reg); + switch (m) { + case 1: + pr_cont(".L = "); + break; + case 2: + pr_cont(".W = "); + break; + } + } +} + +#define LDST_opcode 0x9000 +#define LDST_reg_bits 0 +#define LDST_reg_mask 0x7 +#define LDST_ptr_bits 3 +#define LDST_ptr_mask 0x7 +#define LDST_Z_bits 6 +#define LDST_Z_mask 0x1 +#define LDST_aop_bits 7 +#define LDST_aop_mask 0x3 +#define LDST_W_bits 9 +#define LDST_W_mask 0x1 +#define LDST_sz_bits 10 +#define LDST_sz_mask 0x3 +#define LDST_code_bits 12 +#define LDST_code_mask 0xf + +static void decode_LDST_0(unsigned int opcode) +{ + int Z = ((opcode >> LDST_Z_bits) & LDST_Z_mask); + int W = ((opcode >> LDST_W_bits) & LDST_W_mask); + int sz = ((opcode >> LDST_sz_bits) & LDST_sz_mask); + int aop = ((opcode >> LDST_aop_bits) & LDST_aop_mask); + int reg = ((opcode >> LDST_reg_bits) & LDST_reg_mask); + int ptr = ((opcode >> LDST_ptr_bits) & LDST_ptr_mask); + + if (W == 0) + pr_cont("%s%i = ", (sz == 0 && Z == 1) ? "P" : "R", reg); + + switch (sz) { + case 1: + pr_cont("W"); + break; + case 2: + pr_cont("B"); + break; + } + + pr_cont("[P%i", ptr); + + switch (aop) { + case 0: + pr_cont("++"); + break; + case 1: + pr_cont("--"); + break; + } + pr_cont("]"); + + if (W == 1) + pr_cont(" = %s%i ", (sz == 0 && Z == 1) ? "P" : "R", reg); + + if (sz) { + if (Z) + pr_cont(" (X)"); + else + pr_cont(" (Z)"); + } +} + +#define LDSTii_opcode 0xa000 +#define LDSTii_reg_bit 0 +#define LDSTii_reg_mask 0x7 +#define LDSTii_ptr_bit 3 +#define LDSTii_ptr_mask 0x7 +#define LDSTii_offset_bit 6 +#define LDSTii_offset_mask 0xf +#define LDSTii_op_bit 10 +#define LDSTii_op_mask 0x3 +#define LDSTii_W_bit 12 +#define LDSTii_W_mask 0x1 +#define LDSTii_code_bit 13 +#define LDSTii_code_mask 0x7 + +static void decode_LDSTii_0(unsigned int opcode) +{ + int reg = ((opcode >> LDSTii_reg_bit) & LDSTii_reg_mask); + int ptr = ((opcode >> LDSTii_ptr_bit) & LDSTii_ptr_mask); + int offset = ((opcode >> LDSTii_offset_bit) & LDSTii_offset_mask); + int op = ((opcode >> LDSTii_op_bit) & LDSTii_op_mask); + int W = ((opcode >> LDSTii_W_bit) & LDSTii_W_mask); + + if (W == 0) { + pr_cont("%s%i = %s[P%i + %i]", op == 3 ? "R" : "P", reg, + op == 1 || op == 2 ? "" : "W", ptr, offset); + if (op == 2) + pr_cont("(Z)"); + if (op == 3) + pr_cont("(X)"); + } else { + pr_cont("%s[P%i + %i] = %s%i", op == 0 ? "" : "W", ptr, + offset, op == 3 ? "P" : "R", reg); + } +} + +#define LDSTidxI_opcode 0xe4000000 +#define LDSTidxI_offset_bits 0 +#define LDSTidxI_offset_mask 0xffff +#define LDSTidxI_reg_bits 16 +#define LDSTidxI_reg_mask 0x7 +#define LDSTidxI_ptr_bits 19 +#define LDSTidxI_ptr_mask 0x7 +#define LDSTidxI_sz_bits 22 +#define LDSTidxI_sz_mask 0x3 +#define LDSTidxI_Z_bits 24 +#define LDSTidxI_Z_mask 0x1 +#define LDSTidxI_W_bits 25 +#define LDSTidxI_W_mask 0x1 +#define LDSTidxI_code_bits 26 +#define LDSTidxI_code_mask 0x3f + +static void decode_LDSTidxI_0(unsigned int opcode) +{ + int Z = ((opcode >> LDSTidxI_Z_bits) & LDSTidxI_Z_mask); + int W = ((opcode >> LDSTidxI_W_bits) & LDSTidxI_W_mask); + int sz = ((opcode >> LDSTidxI_sz_bits) & LDSTidxI_sz_mask); + int reg = ((opcode >> LDSTidxI_reg_bits) & LDSTidxI_reg_mask); + int ptr = ((opcode >> LDSTidxI_ptr_bits) & LDSTidxI_ptr_mask); + int offset = ((opcode >> LDSTidxI_offset_bits) & LDSTidxI_offset_mask); + + if (W == 0) + pr_cont("%s%i = ", sz == 0 && Z == 1 ? "P" : "R", reg); + + if (sz == 1) + pr_cont("W"); + if (sz == 2) + pr_cont("B"); + + pr_cont("[P%i + %s0x%x]", ptr, offset & 0x20 ? "-" : "", + (offset & 0x1f) << 2); + + if (W == 0 && sz != 0) { + if (Z) + pr_cont("(X)"); + else + pr_cont("(Z)"); + } + + if (W == 1) + pr_cont("= %s%i", (sz == 0 && Z == 1) ? "P" : "R", reg); + +} + +static void decode_opcode(unsigned int opcode) +{ +#ifdef CONFIG_BUG + if (opcode == BFIN_BUG_OPCODE) + pr_cont("BUG"); + else +#endif + if ((opcode & 0xffffff00) == ProgCtrl_opcode) + decode_ProgCtrl_0(opcode); + else if ((opcode & 0xfffff000) == BRCC_opcode) + decode_BRCC_0(opcode); + else if ((opcode & 0xfffff000) == 0x2000) + pr_cont("JUMP.S"); + else if ((opcode & 0xfe000000) == CALLa_opcode) + decode_CALLa_0(opcode); + else if ((opcode & 0xff8000C0) == LoopSetup_opcode) + decode_LoopSetup_0(opcode); + else if ((opcode & 0xfffffc00) == DspLDST_opcode) + decode_dspLDST_0(opcode); + else if ((opcode & 0xfffff000) == LDST_opcode) + decode_LDST_0(opcode); + else if ((opcode & 0xffffe000) == LDSTii_opcode) + decode_LDSTii_0(opcode); + else if ((opcode & 0xfc000000) == LDSTidxI_opcode) + decode_LDSTidxI_0(opcode); + else if (opcode & 0xffff0000) + pr_cont("0x%08x", opcode); + else + pr_cont("0x%04x", opcode); +} + +#define BIT_MULTI_INS 0x08000000 +static void decode_instruction(unsigned short *address) +{ + unsigned int opcode; + + if (!get_instruction(&opcode, address)) + return; + + decode_opcode(opcode); + + /* If things are a 32-bit instruction, it has the possibility of being + * a multi-issue instruction (a 32-bit, and 2 16 bit instrucitions) + * This test collidates with the unlink instruction, so disallow that + */ + if ((opcode & 0xc0000000) == 0xc0000000 && + (opcode & BIT_MULTI_INS) && + (opcode & 0xe8000000) != 0xe8000000) { + pr_cont(" || "); + if (!get_instruction(&opcode, address + 2)) + return; + decode_opcode(opcode); + pr_cont(" || "); + if (!get_instruction(&opcode, address + 3)) + return; + decode_opcode(opcode); + } +} +#endif + +void dump_bfin_trace_buffer(void) +{ +#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON + int tflags, i = 0, fault = 0; + char buf[150]; + unsigned short *addr; + unsigned int cpu = raw_smp_processor_id(); +#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND + int j, index; +#endif + + trace_buffer_save(tflags); + + pr_notice("Hardware Trace:\n"); + +#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND + pr_notice("WARNING: Expanded trace turned on - can not trace exceptions\n"); +#endif + + if (likely(bfin_read_TBUFSTAT() & TBUFCNT)) { + for (; bfin_read_TBUFSTAT() & TBUFCNT; i++) { + addr = (unsigned short *)bfin_read_TBUF(); + decode_address(buf, (unsigned long)addr); + pr_notice("%4i Target : %s\n", i, buf); + /* Normally, the faulting instruction doesn't go into + * the trace buffer, (since it doesn't commit), so + * we print out the fault address here + */ + if (!fault && addr == ((unsigned short *)evt_ivhw)) { + addr = (unsigned short *)bfin_read_TBUF(); + decode_address(buf, (unsigned long)addr); + pr_notice(" FAULT : %s ", buf); + decode_instruction(addr); + pr_cont("\n"); + fault = 1; + continue; + } + if (!fault && addr == (unsigned short *)trap && + (cpu_pda[cpu].seqstat & SEQSTAT_EXCAUSE) > VEC_EXCPT15) { + decode_address(buf, cpu_pda[cpu].icplb_fault_addr); + pr_notice(" FAULT : %s ", buf); + decode_instruction((unsigned short *)cpu_pda[cpu].icplb_fault_addr); + pr_cont("\n"); + fault = 1; + } + addr = (unsigned short *)bfin_read_TBUF(); + decode_address(buf, (unsigned long)addr); + pr_notice(" Source : %s ", buf); + decode_instruction(addr); + pr_cont("\n"); + } + } + +#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND + if (trace_buff_offset) + index = trace_buff_offset / 4; + else + index = EXPAND_LEN; + + j = (1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 128; + while (j) { + decode_address(buf, software_trace_buff[index]); + pr_notice("%4i Target : %s\n", i, buf); + index -= 1; + if (index < 0) + index = EXPAND_LEN; + decode_address(buf, software_trace_buff[index]); + pr_notice(" Source : %s ", buf); + decode_instruction((unsigned short *)software_trace_buff[index]); + pr_cont("\n"); + index -= 1; + if (index < 0) + index = EXPAND_LEN; + j--; + i++; + } +#endif + + trace_buffer_restore(tflags); +#endif +} +EXPORT_SYMBOL(dump_bfin_trace_buffer); + +void dump_bfin_process(struct pt_regs *fp) +{ + /* We should be able to look at fp->ipend, but we don't push it on the + * stack all the time, so do this until we fix that */ + unsigned int context = bfin_read_IPEND(); + + if (oops_in_progress) + pr_emerg("Kernel OOPS in progress\n"); + + if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) + pr_notice("HW Error context\n"); + else if (context & 0x0020) + pr_notice("Deferred Exception context\n"); + else if (context & 0x3FC0) + pr_notice("Interrupt context\n"); + else if (context & 0x4000) + pr_notice("Deferred Interrupt context\n"); + else if (context & 0x8000) + pr_notice("Kernel process context\n"); + + /* Because we are crashing, and pointers could be bad, we check things + * pretty closely before we use them + */ + if ((unsigned long)current >= FIXED_CODE_START && + !((unsigned long)current & 0x3) && current->pid) { + pr_notice("CURRENT PROCESS:\n"); + if (current->comm >= (char *)FIXED_CODE_START) + pr_notice("COMM=%s PID=%d", + current->comm, current->pid); + else + pr_notice("COMM= invalid"); + + pr_cont(" CPU=%d\n", current_thread_info()->cpu); + if (!((unsigned long)current->mm & 0x3) && + (unsigned long)current->mm >= FIXED_CODE_START) { + pr_notice("TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n", + (void *)current->mm->start_code, + (void *)current->mm->end_code, + (void *)current->mm->start_data, + (void *)current->mm->end_data); + pr_notice(" BSS = 0x%p-0x%p USER-STACK = 0x%p\n\n", + (void *)current->mm->end_data, + (void *)current->mm->brk, + (void *)current->mm->start_stack); + } else + pr_notice("invalid mm\n"); + } else + pr_notice("No Valid process in current context\n"); +} + +void dump_bfin_mem(struct pt_regs *fp) +{ + unsigned short *addr, *erraddr, val = 0, err = 0; + char sti = 0, buf[6]; + + erraddr = (void *)fp->pc; + + pr_notice("return address: [0x%p]; contents of:", erraddr); + + for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10; + addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10; + addr++) { + if (!((unsigned long)addr & 0xF)) + pr_notice("0x%p: ", addr); + + if (!get_mem16(&val, addr)) { + val = 0; + sprintf(buf, "????"); + } else + sprintf(buf, "%04x", val); + + if (addr == erraddr) { + pr_cont("[%s]", buf); + err = val; + } else + pr_cont(" %s ", buf); + + /* Do any previous instructions turn on interrupts? */ + if (addr <= erraddr && /* in the past */ + ((val >= 0x0040 && val <= 0x0047) || /* STI instruction */ + val == 0x017b)) /* [SP++] = RETI */ + sti = 1; + } + + pr_cont("\n"); + + /* Hardware error interrupts can be deferred */ + if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR && + oops_in_progress)){ + pr_notice("Looks like this was a deferred error - sorry\n"); +#ifndef CONFIG_DEBUG_HWERR + pr_notice("The remaining message may be meaningless\n"); + pr_notice("You should enable CONFIG_DEBUG_HWERR to get a better idea where it came from\n"); +#else + /* If we are handling only one peripheral interrupt + * and current mm and pid are valid, and the last error + * was in that user space process's text area + * print it out - because that is where the problem exists + */ + if ((!(((fp)->ipend & ~0x30) & (((fp)->ipend & ~0x30) - 1))) && + (current->pid && current->mm)) { + /* And the last RETI points to the current userspace context */ + if ((fp + 1)->pc >= current->mm->start_code && + (fp + 1)->pc <= current->mm->end_code) { + pr_notice("It might be better to look around here :\n"); + pr_notice("-------------------------------------------\n"); + show_regs(fp + 1); + pr_notice("-------------------------------------------\n"); + } + } +#endif + } +} + +void show_regs(struct pt_regs *fp) +{ + char buf[150]; + struct irqaction *action; + unsigned int i; + unsigned long flags = 0; + unsigned int cpu = raw_smp_processor_id(); + unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic(); + + pr_notice("\n"); + if (CPUID != bfin_cpuid()) + pr_notice("Compiled for cpu family 0x%04x (Rev %d), " + "but running on:0x%04x (Rev %d)\n", + CPUID, bfin_compiled_revid(), bfin_cpuid(), bfin_revid()); + + pr_notice("ADSP-%s-0.%d", + CPU, bfin_compiled_revid()); + + if (bfin_compiled_revid() != bfin_revid()) + pr_cont("(Detected 0.%d)", bfin_revid()); + + pr_cont(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n", + get_cclk()/1000000, get_sclk()/1000000, +#ifdef CONFIG_MPU + "mpu on" +#else + "mpu off" +#endif + ); + + pr_notice("%s", linux_banner); + + pr_notice("\nSEQUENCER STATUS:\t\t%s\n", print_tainted()); + pr_notice(" SEQSTAT: %08lx IPEND: %04lx IMASK: %04lx SYSCFG: %04lx\n", + (long)fp->seqstat, fp->ipend, cpu_pda[raw_smp_processor_id()].ex_imask, fp->syscfg); + if (fp->ipend & EVT_IRPTEN) + pr_notice(" Global Interrupts Disabled (IPEND[4])\n"); + if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG13 | EVT_IVG12 | EVT_IVG11 | + EVT_IVG10 | EVT_IVG9 | EVT_IVG8 | EVT_IVG7 | EVT_IVTMR))) + pr_notice(" Peripheral interrupts masked off\n"); + if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG15 | EVT_IVG14))) + pr_notice(" Kernel interrupts masked off\n"); + if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) { + pr_notice(" HWERRCAUSE: 0x%lx\n", + (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); +#ifdef EBIU_ERRMST + /* If the error was from the EBIU, print it out */ + if (bfin_read_EBIU_ERRMST() & CORE_ERROR) { + pr_notice(" EBIU Error Reason : 0x%04x\n", + bfin_read_EBIU_ERRMST()); + pr_notice(" EBIU Error Address : 0x%08x\n", + bfin_read_EBIU_ERRADD()); + } +#endif + } + pr_notice(" EXCAUSE : 0x%lx\n", + fp->seqstat & SEQSTAT_EXCAUSE); + for (i = 2; i <= 15 ; i++) { + if (fp->ipend & (1 << i)) { + if (i != 4) { + decode_address(buf, bfin_read32(EVT0 + 4*i)); + pr_notice(" physical IVG%i asserted : %s\n", i, buf); + } else + pr_notice(" interrupts disabled\n"); + } + } + + /* if no interrupts are going off, don't print this out */ + if (fp->ipend & ~0x3F) { + for (i = 0; i < (NR_IRQS - 1); i++) { + if (!in_atomic) + raw_spin_lock_irqsave(&irq_desc[i].lock, flags); + + action = irq_desc[i].action; + if (!action) + goto unlock; + + decode_address(buf, (unsigned int)action->handler); + pr_notice(" logical irq %3d mapped : %s", i, buf); + for (action = action->next; action; action = action->next) { + decode_address(buf, (unsigned int)action->handler); + pr_cont(", %s", buf); + } + pr_cont("\n"); +unlock: + if (!in_atomic) + raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags); + } + } + + decode_address(buf, fp->rete); + pr_notice(" RETE: %s\n", buf); + decode_address(buf, fp->retn); + pr_notice(" RETN: %s\n", buf); + decode_address(buf, fp->retx); + pr_notice(" RETX: %s\n", buf); + decode_address(buf, fp->rets); + pr_notice(" RETS: %s\n", buf); + decode_address(buf, fp->pc); + pr_notice(" PC : %s\n", buf); + + if (((long)fp->seqstat & SEQSTAT_EXCAUSE) && + (((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) { + decode_address(buf, cpu_pda[cpu].dcplb_fault_addr); + pr_notice("DCPLB_FAULT_ADDR: %s\n", buf); + decode_address(buf, cpu_pda[cpu].icplb_fault_addr); + pr_notice("ICPLB_FAULT_ADDR: %s\n", buf); + } + + pr_notice("PROCESSOR STATE:\n"); + pr_notice(" R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n", + fp->r0, fp->r1, fp->r2, fp->r3); + pr_notice(" R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n", + fp->r4, fp->r5, fp->r6, fp->r7); + pr_notice(" P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n", + fp->p0, fp->p1, fp->p2, fp->p3); + pr_notice(" P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n", + fp->p4, fp->p5, fp->fp, (long)fp); + pr_notice(" LB0: %08lx LT0: %08lx LC0: %08lx\n", + fp->lb0, fp->lt0, fp->lc0); + pr_notice(" LB1: %08lx LT1: %08lx LC1: %08lx\n", + fp->lb1, fp->lt1, fp->lc1); + pr_notice(" B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n", + fp->b0, fp->l0, fp->m0, fp->i0); + pr_notice(" B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n", + fp->b1, fp->l1, fp->m1, fp->i1); + pr_notice(" B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n", + fp->b2, fp->l2, fp->m2, fp->i2); + pr_notice(" B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n", + fp->b3, fp->l3, fp->m3, fp->i3); + pr_notice("A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n", + fp->a0w, fp->a0x, fp->a1w, fp->a1x); + + pr_notice("USP : %08lx ASTAT: %08lx\n", + rdusp(), fp->astat); + + pr_notice("\n"); +} diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index ba70c4bc2699..59c1df75e4de 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -1,25 +1,22 @@ /* - * Copyright 2004-2009 Analog Devices Inc. + * Main exception handling logic. + * + * Copyright 2004-2010 Analog Devices Inc. * * Licensed under the GPL-2 or later */ #include <linux/bug.h> #include <linux/uaccess.h> -#include <linux/interrupt.h> #include <linux/module.h> -#include <linux/kallsyms.h> -#include <linux/fs.h> -#include <linux/rbtree.h> #include <asm/traps.h> -#include <asm/cacheflush.h> #include <asm/cplb.h> -#include <asm/dma.h> #include <asm/blackfin.h> #include <asm/irq_handler.h> #include <linux/irq.h> #include <asm/trace.h> #include <asm/fixed_code.h> +#include <asm/pseudo_instructions.h> #ifdef CONFIG_KGDB # include <linux/kgdb.h> @@ -62,194 +59,6 @@ void __init trap_init(void) CSYNC(); } -static void decode_address(char *buf, unsigned long address) -{ -#ifdef CONFIG_DEBUG_VERBOSE - struct task_struct *p; - struct mm_struct *mm; - unsigned long flags, offset; - unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic(); - struct rb_node *n; - -#ifdef CONFIG_KALLSYMS - unsigned long symsize; - const char *symname; - char *modname; - char *delim = ":"; - char namebuf[128]; -#endif - - buf += sprintf(buf, "<0x%08lx> ", address); - -#ifdef CONFIG_KALLSYMS - /* look up the address and see if we are in kernel space */ - symname = kallsyms_lookup(address, &symsize, &offset, &modname, namebuf); - - if (symname) { - /* yeah! kernel space! */ - if (!modname) - modname = delim = ""; - sprintf(buf, "{ %s%s%s%s + 0x%lx }", - delim, modname, delim, symname, - (unsigned long)offset); - return; - } -#endif - - if (address >= FIXED_CODE_START && address < FIXED_CODE_END) { - /* Problem in fixed code section? */ - strcat(buf, "/* Maybe fixed code section */"); - return; - - } else if (address < CONFIG_BOOT_LOAD) { - /* Problem somewhere before the kernel start address */ - strcat(buf, "/* Maybe null pointer? */"); - return; - - } else if (address >= COREMMR_BASE) { - strcat(buf, "/* core mmrs */"); - return; - - } else if (address >= SYSMMR_BASE) { - strcat(buf, "/* system mmrs */"); - return; - - } else if (address >= L1_ROM_START && address < L1_ROM_START + L1_ROM_LENGTH) { - strcat(buf, "/* on-chip L1 ROM */"); - return; - } - - /* - * Don't walk any of the vmas if we are oopsing, it has been known - * to cause problems - corrupt vmas (kernel crashes) cause double faults - */ - if (oops_in_progress) { - strcat(buf, "/* kernel dynamic memory (maybe user-space) */"); - return; - } - - /* looks like we're off in user-land, so let's walk all the - * mappings of all our processes and see if we can't be a whee - * bit more specific - */ - write_lock_irqsave(&tasklist_lock, flags); - for_each_process(p) { - mm = (in_atomic ? p->mm : get_task_mm(p)); - if (!mm) - continue; - - if (!down_read_trylock(&mm->mmap_sem)) { - if (!in_atomic) - mmput(mm); - continue; - } - - for (n = rb_first(&mm->mm_rb); n; n = rb_next(n)) { - struct vm_area_struct *vma; - - vma = rb_entry(n, struct vm_area_struct, vm_rb); - - if (address >= vma->vm_start && address < vma->vm_end) { - char _tmpbuf[256]; - char *name = p->comm; - struct file *file = vma->vm_file; - - if (file) { - char *d_name = d_path(&file->f_path, _tmpbuf, - sizeof(_tmpbuf)); - if (!IS_ERR(d_name)) - name = d_name; - } - - /* FLAT does not have its text aligned to the start of - * the map while FDPIC ELF does ... - */ - - /* before we can check flat/fdpic, we need to - * make sure current is valid - */ - if ((unsigned long)current >= FIXED_CODE_START && - !((unsigned long)current & 0x3)) { - if (current->mm && - (address > current->mm->start_code) && - (address < current->mm->end_code)) - offset = address - current->mm->start_code; - else - offset = (address - vma->vm_start) + - (vma->vm_pgoff << PAGE_SHIFT); - - sprintf(buf, "[ %s + 0x%lx ]", name, offset); - } else - sprintf(buf, "[ %s vma:0x%lx-0x%lx]", - name, vma->vm_start, vma->vm_end); - - up_read(&mm->mmap_sem); - if (!in_atomic) - mmput(mm); - - if (buf[0] == '\0') - sprintf(buf, "[ %s ] dynamic memory", name); - - goto done; - } - } - - up_read(&mm->mmap_sem); - if (!in_atomic) - mmput(mm); - } - - /* - * we were unable to find this address anywhere, - * or some MMs were skipped because they were in use. - */ - sprintf(buf, "/* kernel dynamic memory */"); - -done: - write_unlock_irqrestore(&tasklist_lock, flags); -#else - sprintf(buf, " "); -#endif -} - -asmlinkage void double_fault_c(struct pt_regs *fp) -{ -#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON - int j; - trace_buffer_save(j); -#endif - - console_verbose(); - oops_in_progress = 1; -#ifdef CONFIG_DEBUG_VERBOSE - printk(KERN_EMERG "Double Fault\n"); -#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT - if (((long)fp->seqstat & SEQSTAT_EXCAUSE) == VEC_UNCOV) { - unsigned int cpu = raw_smp_processor_id(); - char buf[150]; - decode_address(buf, cpu_pda[cpu].retx_doublefault); - printk(KERN_EMERG "While handling exception (EXCAUSE = 0x%x) at %s:\n", - (unsigned int)cpu_pda[cpu].seqstat_doublefault & SEQSTAT_EXCAUSE, buf); - decode_address(buf, cpu_pda[cpu].dcplb_doublefault_addr); - printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %s\n", buf); - decode_address(buf, cpu_pda[cpu].icplb_doublefault_addr); - printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %s\n", buf); - - decode_address(buf, fp->retx); - printk(KERN_NOTICE "The instruction at %s caused a double exception\n", buf); - } else -#endif - { - dump_bfin_process(fp); - dump_bfin_mem(fp); - show_regs(fp); - dump_bfin_trace_buffer(); - } -#endif - panic("Double Fault - unrecoverable event"); - -} - static int kernel_mode_regs(struct pt_regs *regs) { return regs->ipend & 0xffc0; @@ -260,6 +69,9 @@ asmlinkage notrace void trap_c(struct pt_regs *fp) #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON int j; #endif +#ifdef CONFIG_BFIN_PSEUDODBG_INSNS + int opcode; +#endif unsigned int cpu = raw_smp_processor_id(); const char *strerror = NULL; int sig = 0; @@ -392,6 +204,19 @@ asmlinkage notrace void trap_c(struct pt_regs *fp) } } #endif +#ifdef CONFIG_BFIN_PSEUDODBG_INSNS + /* + * Support for the fake instructions, if the instruction fails, + * then just execute a illegal opcode failure (like normal). + * Don't support these instructions inside the kernel + */ + if (!kernel_mode_regs(fp) && get_instruction(&opcode, (unsigned short *)fp->pc)) { + if (execute_pseudodbg_assert(fp, opcode)) + goto traps_done; + if (execute_pseudodbg(fp, opcode)) + goto traps_done; + } +#endif info.si_code = ILL_ILLOPC; sig = SIGILL; strerror = KERN_NOTICE EXC_0x21(KERN_NOTICE); @@ -672,659 +497,44 @@ asmlinkage notrace void trap_c(struct pt_regs *fp) trace_buffer_restore(j); } -/* Typical exception handling routines */ - -#define EXPAND_LEN ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 256 - 1) - -/* - * Similar to get_user, do some address checking, then dereference - * Return true on success, false on bad address - */ -static bool get_instruction(unsigned short *val, unsigned short *address) -{ - unsigned long addr = (unsigned long)address; - - /* Check for odd addresses */ - if (addr & 0x1) - return false; - - /* MMR region will never have instructions */ - if (addr >= SYSMMR_BASE) - return false; - - switch (bfin_mem_access_type(addr, 2)) { - case BFIN_MEM_ACCESS_CORE: - case BFIN_MEM_ACCESS_CORE_ONLY: - *val = *address; - return true; - case BFIN_MEM_ACCESS_DMA: - dma_memcpy(val, address, 2); - return true; - case BFIN_MEM_ACCESS_ITEST: - isram_memcpy(val, address, 2); - return true; - default: /* invalid access */ - return false; - } -} - -/* - * decode the instruction if we are printing out the trace, as it - * makes things easier to follow, without running it through objdump - * These are the normal instructions which cause change of flow, which - * would be at the source of the trace buffer - */ -#if defined(CONFIG_DEBUG_VERBOSE) && defined(CONFIG_DEBUG_BFIN_HWTRACE_ON) -static void decode_instruction(unsigned short *address) -{ - unsigned short opcode; - - if (get_instruction(&opcode, address)) { - if (opcode == 0x0010) - verbose_printk("RTS"); - else if (opcode == 0x0011) - verbose_printk("RTI"); - else if (opcode == 0x0012) - verbose_printk("RTX"); - else if (opcode == 0x0013) - verbose_printk("RTN"); - else if (opcode == 0x0014) - verbose_printk("RTE"); - else if (opcode == 0x0025) - verbose_printk("EMUEXCPT"); - else if (opcode >= 0x0040 && opcode <= 0x0047) - verbose_printk("STI R%i", opcode & 7); - else if (opcode >= 0x0050 && opcode <= 0x0057) - verbose_printk("JUMP (P%i)", opcode & 7); - else if (opcode >= 0x0060 && opcode <= 0x0067) - verbose_printk("CALL (P%i)", opcode & 7); - else if (opcode >= 0x0070 && opcode <= 0x0077) - verbose_printk("CALL (PC+P%i)", opcode & 7); - else if (opcode >= 0x0080 && opcode <= 0x0087) - verbose_printk("JUMP (PC+P%i)", opcode & 7); - else if (opcode >= 0x0090 && opcode <= 0x009F) - verbose_printk("RAISE 0x%x", opcode & 0xF); - else if (opcode >= 0x00A0 && opcode <= 0x00AF) - verbose_printk("EXCPT 0x%x", opcode & 0xF); - else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF)) - verbose_printk("IF !CC JUMP"); - else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff)) - verbose_printk("IF CC JUMP"); - else if (opcode >= 0x2000 && opcode <= 0x2fff) - verbose_printk("JUMP.S"); - else if (opcode >= 0xe080 && opcode <= 0xe0ff) - verbose_printk("LSETUP"); - else if (opcode >= 0xe200 && opcode <= 0xe2ff) - verbose_printk("JUMP.L"); - else if (opcode >= 0xe300 && opcode <= 0xe3ff) - verbose_printk("CALL pcrel"); - else - verbose_printk("0x%04x", opcode); - } - -} -#endif - -void dump_bfin_trace_buffer(void) -{ -#ifdef CONFIG_DEBUG_VERBOSE -#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON - int tflags, i = 0; - char buf[150]; - unsigned short *addr; -#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND - int j, index; -#endif - - trace_buffer_save(tflags); - - printk(KERN_NOTICE "Hardware Trace:\n"); - -#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND - printk(KERN_NOTICE "WARNING: Expanded trace turned on - can not trace exceptions\n"); -#endif - - if (likely(bfin_read_TBUFSTAT() & TBUFCNT)) { - for (; bfin_read_TBUFSTAT() & TBUFCNT; i++) { - decode_address(buf, (unsigned long)bfin_read_TBUF()); - printk(KERN_NOTICE "%4i Target : %s\n", i, buf); - addr = (unsigned short *)bfin_read_TBUF(); - decode_address(buf, (unsigned long)addr); - printk(KERN_NOTICE " Source : %s ", buf); - decode_instruction(addr); - printk("\n"); - } - } - -#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND - if (trace_buff_offset) - index = trace_buff_offset / 4; - else - index = EXPAND_LEN; - - j = (1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 128; - while (j) { - decode_address(buf, software_trace_buff[index]); - printk(KERN_NOTICE "%4i Target : %s\n", i, buf); - index -= 1; - if (index < 0 ) - index = EXPAND_LEN; - decode_address(buf, software_trace_buff[index]); - printk(KERN_NOTICE " Source : %s ", buf); - decode_instruction((unsigned short *)software_trace_buff[index]); - printk("\n"); - index -= 1; - if (index < 0) - index = EXPAND_LEN; - j--; - i++; - } -#endif - - trace_buffer_restore(tflags); -#endif -#endif -} -EXPORT_SYMBOL(dump_bfin_trace_buffer); - -#ifdef CONFIG_BUG -int is_valid_bugaddr(unsigned long addr) -{ - unsigned short opcode; - - if (!get_instruction(&opcode, (unsigned short *)addr)) - return 0; - - return opcode == BFIN_BUG_OPCODE; -} -#endif - -/* - * Checks to see if the address pointed to is either a - * 16-bit CALL instruction, or a 32-bit CALL instruction - */ -static bool is_bfin_call(unsigned short *addr) -{ - unsigned short opcode = 0, *ins_addr; - ins_addr = (unsigned short *)addr; - - if (!get_instruction(&opcode, ins_addr)) - return false; - - if ((opcode >= 0x0060 && opcode <= 0x0067) || - (opcode >= 0x0070 && opcode <= 0x0077)) - return true; - - ins_addr--; - if (!get_instruction(&opcode, ins_addr)) - return false; - - if (opcode >= 0xE300 && opcode <= 0xE3FF) - return true; - - return false; - -} - -void show_stack(struct task_struct *task, unsigned long *stack) -{ -#ifdef CONFIG_PRINTK - unsigned int *addr, *endstack, *fp = 0, *frame; - unsigned short *ins_addr; - char buf[150]; - unsigned int i, j, ret_addr, frame_no = 0; - - /* - * If we have been passed a specific stack, use that one otherwise - * if we have been passed a task structure, use that, otherwise - * use the stack of where the variable "stack" exists - */ - - if (stack == NULL) { - if (task) { - /* We know this is a kernel stack, so this is the start/end */ - stack = (unsigned long *)task->thread.ksp; - endstack = (unsigned int *)(((unsigned int)(stack) & ~(THREAD_SIZE - 1)) + THREAD_SIZE); - } else { - /* print out the existing stack info */ - stack = (unsigned long *)&stack; - endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack); - } - } else - endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack); - - printk(KERN_NOTICE "Stack info:\n"); - decode_address(buf, (unsigned int)stack); - printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf); - - if (!access_ok(VERIFY_READ, stack, (unsigned int)endstack - (unsigned int)stack)) { - printk(KERN_NOTICE "Invalid stack pointer\n"); - return; - } - - /* First thing is to look for a frame pointer */ - for (addr = (unsigned int *)((unsigned int)stack & ~0xF); addr < endstack; addr++) { - if (*addr & 0x1) - continue; - ins_addr = (unsigned short *)*addr; - ins_addr--; - if (is_bfin_call(ins_addr)) - fp = addr - 1; - - if (fp) { - /* Let's check to see if it is a frame pointer */ - while (fp >= (addr - 1) && fp < endstack - && fp && ((unsigned int) fp & 0x3) == 0) - fp = (unsigned int *)*fp; - if (fp == 0 || fp == endstack) { - fp = addr - 1; - break; - } - fp = 0; - } - } - if (fp) { - frame = fp; - printk(KERN_NOTICE " FP: (0x%p)\n", fp); - } else - frame = 0; - - /* - * Now that we think we know where things are, we - * walk the stack again, this time printing things out - * incase there is no frame pointer, we still look for - * valid return addresses - */ - - /* First time print out data, next time, print out symbols */ - for (j = 0; j <= 1; j++) { - if (j) - printk(KERN_NOTICE "Return addresses in stack:\n"); - else - printk(KERN_NOTICE " Memory from 0x%08lx to %p", ((long unsigned int)stack & ~0xF), endstack); - - fp = frame; - frame_no = 0; - - for (addr = (unsigned int *)((unsigned int)stack & ~0xF), i = 0; - addr < endstack; addr++, i++) { - - ret_addr = 0; - if (!j && i % 8 == 0) - printk(KERN_NOTICE "%p:",addr); - - /* if it is an odd address, or zero, just skip it */ - if (*addr & 0x1 || !*addr) - goto print; - - ins_addr = (unsigned short *)*addr; - - /* Go back one instruction, and see if it is a CALL */ - ins_addr--; - ret_addr = is_bfin_call(ins_addr); - print: - if (!j && stack == (unsigned long *)addr) - printk("[%08x]", *addr); - else if (ret_addr) - if (j) { - decode_address(buf, (unsigned int)*addr); - if (frame == addr) { - printk(KERN_NOTICE " frame %2i : %s\n", frame_no, buf); - continue; - } - printk(KERN_NOTICE " address : %s\n", buf); - } else - printk("<%08x>", *addr); - else if (fp == addr) { - if (j) - frame = addr+1; - else - printk("(%08x)", *addr); - - fp = (unsigned int *)*addr; - frame_no++; - - } else if (!j) - printk(" %08x ", *addr); - } - if (!j) - printk("\n"); - } -#endif -} -EXPORT_SYMBOL(show_stack); - -void dump_stack(void) +asmlinkage void double_fault_c(struct pt_regs *fp) { - unsigned long stack; #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON - int tflags; + int j; + trace_buffer_save(j); #endif - trace_buffer_save(tflags); - dump_bfin_trace_buffer(); - show_stack(current, &stack); - trace_buffer_restore(tflags); -} -EXPORT_SYMBOL(dump_stack); -void dump_bfin_process(struct pt_regs *fp) -{ + console_verbose(); + oops_in_progress = 1; #ifdef CONFIG_DEBUG_VERBOSE - /* We should be able to look at fp->ipend, but we don't push it on the - * stack all the time, so do this until we fix that */ - unsigned int context = bfin_read_IPEND(); - - if (oops_in_progress) - verbose_printk(KERN_EMERG "Kernel OOPS in progress\n"); - - if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) - verbose_printk(KERN_NOTICE "HW Error context\n"); - else if (context & 0x0020) - verbose_printk(KERN_NOTICE "Deferred Exception context\n"); - else if (context & 0x3FC0) - verbose_printk(KERN_NOTICE "Interrupt context\n"); - else if (context & 0x4000) - verbose_printk(KERN_NOTICE "Deferred Interrupt context\n"); - else if (context & 0x8000) - verbose_printk(KERN_NOTICE "Kernel process context\n"); - - /* Because we are crashing, and pointers could be bad, we check things - * pretty closely before we use them - */ - if ((unsigned long)current >= FIXED_CODE_START && - !((unsigned long)current & 0x3) && current->pid) { - verbose_printk(KERN_NOTICE "CURRENT PROCESS:\n"); - if (current->comm >= (char *)FIXED_CODE_START) - verbose_printk(KERN_NOTICE "COMM=%s PID=%d", - current->comm, current->pid); - else - verbose_printk(KERN_NOTICE "COMM= invalid"); + printk(KERN_EMERG "Double Fault\n"); +#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT + if (((long)fp->seqstat & SEQSTAT_EXCAUSE) == VEC_UNCOV) { + unsigned int cpu = raw_smp_processor_id(); + char buf[150]; + decode_address(buf, cpu_pda[cpu].retx_doublefault); + printk(KERN_EMERG "While handling exception (EXCAUSE = 0x%x) at %s:\n", + (unsigned int)cpu_pda[cpu].seqstat_doublefault & SEQSTAT_EXCAUSE, buf); + decode_address(buf, cpu_pda[cpu].dcplb_doublefault_addr); + printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %s\n", buf); + decode_address(buf, cpu_pda[cpu].icplb_doublefault_addr); + printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %s\n", buf); - printk(KERN_CONT " CPU=%d\n", current_thread_info()->cpu); - if (!((unsigned long)current->mm & 0x3) && (unsigned long)current->mm >= FIXED_CODE_START) - verbose_printk(KERN_NOTICE - "TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n" - " BSS = 0x%p-0x%p USER-STACK = 0x%p\n\n", - (void *)current->mm->start_code, - (void *)current->mm->end_code, - (void *)current->mm->start_data, - (void *)current->mm->end_data, - (void *)current->mm->end_data, - (void *)current->mm->brk, - (void *)current->mm->start_stack); - else - verbose_printk(KERN_NOTICE "invalid mm\n"); + decode_address(buf, fp->retx); + printk(KERN_NOTICE "The instruction at %s caused a double exception\n", buf); } else - verbose_printk(KERN_NOTICE - "No Valid process in current context\n"); -#endif -} - -void dump_bfin_mem(struct pt_regs *fp) -{ -#ifdef CONFIG_DEBUG_VERBOSE - unsigned short *addr, *erraddr, val = 0, err = 0; - char sti = 0, buf[6]; - - erraddr = (void *)fp->pc; - - verbose_printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr); - - for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10; - addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10; - addr++) { - if (!((unsigned long)addr & 0xF)) - verbose_printk(KERN_NOTICE "0x%p: ", addr); - - if (!get_instruction(&val, addr)) { - val = 0; - sprintf(buf, "????"); - } else - sprintf(buf, "%04x", val); - - if (addr == erraddr) { - verbose_printk("[%s]", buf); - err = val; - } else - verbose_printk(" %s ", buf); - - /* Do any previous instructions turn on interrupts? */ - if (addr <= erraddr && /* in the past */ - ((val >= 0x0040 && val <= 0x0047) || /* STI instruction */ - val == 0x017b)) /* [SP++] = RETI */ - sti = 1; - } - - verbose_printk("\n"); - - /* Hardware error interrupts can be deferred */ - if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR && - oops_in_progress)){ - verbose_printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n"); -#ifndef CONFIG_DEBUG_HWERR - verbose_printk(KERN_NOTICE -"The remaining message may be meaningless\n" -"You should enable CONFIG_DEBUG_HWERR to get a better idea where it came from\n"); -#else - /* If we are handling only one peripheral interrupt - * and current mm and pid are valid, and the last error - * was in that user space process's text area - * print it out - because that is where the problem exists - */ - if ((!(((fp)->ipend & ~0x30) & (((fp)->ipend & ~0x30) - 1))) && - (current->pid && current->mm)) { - /* And the last RETI points to the current userspace context */ - if ((fp + 1)->pc >= current->mm->start_code && - (fp + 1)->pc <= current->mm->end_code) { - verbose_printk(KERN_NOTICE "It might be better to look around here :\n"); - verbose_printk(KERN_NOTICE "-------------------------------------------\n"); - show_regs(fp + 1); - verbose_printk(KERN_NOTICE "-------------------------------------------\n"); - } - } -#endif - } -#endif -} - -void show_regs(struct pt_regs *fp) -{ -#ifdef CONFIG_DEBUG_VERBOSE - char buf [150]; - struct irqaction *action; - unsigned int i; - unsigned long flags = 0; - unsigned int cpu = raw_smp_processor_id(); - unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic(); - - verbose_printk(KERN_NOTICE "\n"); - if (CPUID != bfin_cpuid()) - verbose_printk(KERN_NOTICE "Compiled for cpu family 0x%04x (Rev %d), " - "but running on:0x%04x (Rev %d)\n", - CPUID, bfin_compiled_revid(), bfin_cpuid(), bfin_revid()); - - verbose_printk(KERN_NOTICE "ADSP-%s-0.%d", - CPU, bfin_compiled_revid()); - - if (bfin_compiled_revid() != bfin_revid()) - verbose_printk("(Detected 0.%d)", bfin_revid()); - - verbose_printk(" %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n", - get_cclk()/1000000, get_sclk()/1000000, -#ifdef CONFIG_MPU - "mpu on" -#else - "mpu off" -#endif - ); - - verbose_printk(KERN_NOTICE "%s", linux_banner); - - verbose_printk(KERN_NOTICE "\nSEQUENCER STATUS:\t\t%s\n", print_tainted()); - verbose_printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx IMASK: %04lx SYSCFG: %04lx\n", - (long)fp->seqstat, fp->ipend, cpu_pda[raw_smp_processor_id()].ex_imask, fp->syscfg); - if (fp->ipend & EVT_IRPTEN) - verbose_printk(KERN_NOTICE " Global Interrupts Disabled (IPEND[4])\n"); - if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG13 | EVT_IVG12 | EVT_IVG11 | - EVT_IVG10 | EVT_IVG9 | EVT_IVG8 | EVT_IVG7 | EVT_IVTMR))) - verbose_printk(KERN_NOTICE " Peripheral interrupts masked off\n"); - if (!(cpu_pda[raw_smp_processor_id()].ex_imask & (EVT_IVG15 | EVT_IVG14))) - verbose_printk(KERN_NOTICE " Kernel interrupts masked off\n"); - if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) { - verbose_printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", - (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); -#ifdef EBIU_ERRMST - /* If the error was from the EBIU, print it out */ - if (bfin_read_EBIU_ERRMST() & CORE_ERROR) { - verbose_printk(KERN_NOTICE " EBIU Error Reason : 0x%04x\n", - bfin_read_EBIU_ERRMST()); - verbose_printk(KERN_NOTICE " EBIU Error Address : 0x%08x\n", - bfin_read_EBIU_ERRADD()); - } #endif + { + dump_bfin_process(fp); + dump_bfin_mem(fp); + show_regs(fp); + dump_bfin_trace_buffer(); } - verbose_printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", - fp->seqstat & SEQSTAT_EXCAUSE); - for (i = 2; i <= 15 ; i++) { - if (fp->ipend & (1 << i)) { - if (i != 4) { - decode_address(buf, bfin_read32(EVT0 + 4*i)); - verbose_printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf); - } else - verbose_printk(KERN_NOTICE " interrupts disabled\n"); - } - } - - /* if no interrupts are going off, don't print this out */ - if (fp->ipend & ~0x3F) { - for (i = 0; i < (NR_IRQS - 1); i++) { - if (!in_atomic) - raw_spin_lock_irqsave(&irq_desc[i].lock, flags); - - action = irq_desc[i].action; - if (!action) - goto unlock; - - decode_address(buf, (unsigned int)action->handler); - verbose_printk(KERN_NOTICE " logical irq %3d mapped : %s", i, buf); - for (action = action->next; action; action = action->next) { - decode_address(buf, (unsigned int)action->handler); - verbose_printk(", %s", buf); - } - verbose_printk("\n"); -unlock: - if (!in_atomic) - raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags); - } - } - - decode_address(buf, fp->rete); - verbose_printk(KERN_NOTICE " RETE: %s\n", buf); - decode_address(buf, fp->retn); - verbose_printk(KERN_NOTICE " RETN: %s\n", buf); - decode_address(buf, fp->retx); - verbose_printk(KERN_NOTICE " RETX: %s\n", buf); - decode_address(buf, fp->rets); - verbose_printk(KERN_NOTICE " RETS: %s\n", buf); - decode_address(buf, fp->pc); - verbose_printk(KERN_NOTICE " PC : %s\n", buf); - - if (((long)fp->seqstat & SEQSTAT_EXCAUSE) && - (((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) { - decode_address(buf, cpu_pda[cpu].dcplb_fault_addr); - verbose_printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf); - decode_address(buf, cpu_pda[cpu].icplb_fault_addr); - verbose_printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf); - } - - verbose_printk(KERN_NOTICE "PROCESSOR STATE:\n"); - verbose_printk(KERN_NOTICE " R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n", - fp->r0, fp->r1, fp->r2, fp->r3); - verbose_printk(KERN_NOTICE " R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n", - fp->r4, fp->r5, fp->r6, fp->r7); - verbose_printk(KERN_NOTICE " P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n", - fp->p0, fp->p1, fp->p2, fp->p3); - verbose_printk(KERN_NOTICE " P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n", - fp->p4, fp->p5, fp->fp, (long)fp); - verbose_printk(KERN_NOTICE " LB0: %08lx LT0: %08lx LC0: %08lx\n", - fp->lb0, fp->lt0, fp->lc0); - verbose_printk(KERN_NOTICE " LB1: %08lx LT1: %08lx LC1: %08lx\n", - fp->lb1, fp->lt1, fp->lc1); - verbose_printk(KERN_NOTICE " B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n", - fp->b0, fp->l0, fp->m0, fp->i0); - verbose_printk(KERN_NOTICE " B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n", - fp->b1, fp->l1, fp->m1, fp->i1); - verbose_printk(KERN_NOTICE " B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n", - fp->b2, fp->l2, fp->m2, fp->i2); - verbose_printk(KERN_NOTICE " B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n", - fp->b3, fp->l3, fp->m3, fp->i3); - verbose_printk(KERN_NOTICE "A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n", - fp->a0w, fp->a0x, fp->a1w, fp->a1x); - - verbose_printk(KERN_NOTICE "USP : %08lx ASTAT: %08lx\n", - rdusp(), fp->astat); - - verbose_printk(KERN_NOTICE "\n"); #endif -} - -#ifdef CONFIG_SYS_BFIN_SPINLOCK_L1 -asmlinkage int sys_bfin_spinlock(int *spinlock)__attribute__((l1_text)); -#endif - -static DEFINE_SPINLOCK(bfin_spinlock_lock); - -asmlinkage int sys_bfin_spinlock(int *p) -{ - int ret, tmp = 0; - - spin_lock(&bfin_spinlock_lock); /* This would also hold kernel preemption. */ - ret = get_user(tmp, p); - if (likely(ret == 0)) { - if (unlikely(tmp)) - ret = 1; - else - put_user(1, p); - } - spin_unlock(&bfin_spinlock_lock); - return ret; -} - -int bfin_request_exception(unsigned int exception, void (*handler)(void)) -{ - void (*curr_handler)(void); - - if (exception > 0x3F) - return -EINVAL; - - curr_handler = ex_table[exception]; - - if (curr_handler != ex_replaceable) - return -EBUSY; - - ex_table[exception] = handler; + panic("Double Fault - unrecoverable event"); - return 0; } -EXPORT_SYMBOL(bfin_request_exception); - -int bfin_free_exception(unsigned int exception, void (*handler)(void)) -{ - void (*curr_handler)(void); - - if (exception > 0x3F) - return -EINVAL; - - curr_handler = ex_table[exception]; - if (curr_handler != handler) - return -EBUSY; - - ex_table[exception] = ex_replaceable; - - return 0; -} -EXPORT_SYMBOL(bfin_free_exception); void panic_cplb_error(int cplb_panic, struct pt_regs *fp) { @@ -1349,3 +559,23 @@ void panic_cplb_error(int cplb_panic, struct pt_regs *fp) dump_stack(); panic("Unrecoverable event"); } + +#ifdef CONFIG_BUG +int is_valid_bugaddr(unsigned long addr) +{ + unsigned int opcode; + + if (!get_instruction(&opcode, (unsigned short *)addr)) + return 0; + + return opcode == BFIN_BUG_OPCODE; +} +#endif + +/* stub this out */ +#ifndef CONFIG_DEBUG_VERBOSE +void show_regs(struct pt_regs *fp) +{ + +} +#endif diff --git a/arch/blackfin/lib/memset.S b/arch/blackfin/lib/memset.S index c30d99b10969..eab1bef3f5bf 100644 --- a/arch/blackfin/lib/memset.S +++ b/arch/blackfin/lib/memset.S @@ -20,6 +20,7 @@ * R1 = filler byte * R2 = count * Favours word aligned data. + * The strncpy assumes that I0 and I1 are not used in this function */ ENTRY(_memset) diff --git a/arch/blackfin/lib/strcmp.S b/arch/blackfin/lib/strcmp.S new file mode 100644 index 000000000000..d7c1d158973b --- /dev/null +++ b/arch/blackfin/lib/strcmp.S @@ -0,0 +1,43 @@ +/* + * Copyright 2005-2010 Analog Devices Inc. + * + * Licensed under the ADI BSD license or the GPL-2 (or later) + */ + +#include <linux/linkage.h> + +/* void *strcmp(char *s1, const char *s2); + * R0 = address (s1) + * R1 = address (s2) + * + * Returns an integer less than, equal to, or greater than zero if s1 + * (or the first n bytes thereof) is found, respectively, to be less + * than, to match, or be greater than s2. + */ + +#ifdef CONFIG_STRCMP_L1 +.section .l1.text +#else +.text +#endif + +.align 2 + +ENTRY(_strcmp) + P0 = R0 ; /* s1 */ + P1 = R1 ; /* s2 */ + +1: + R0 = B[P0++] (Z); /* get *s1 */ + R1 = B[P1++] (Z); /* get *s2 */ + CC = R0 == R1; /* compare a byte */ + if ! cc jump 2f; /* not equal, break out */ + CC = R0; /* at end of s1? */ + if cc jump 1b (bp); /* no, keep going */ + jump.s 3f; /* strings are equal */ +2: + R0 = R0 - R1; /* *s1 - *s2 */ +3: + RTS; + +ENDPROC(_strcmp) diff --git a/arch/blackfin/lib/strcmp.c b/arch/blackfin/lib/strcmp.c deleted file mode 100644 index fde39a1950ce..000000000000 --- a/arch/blackfin/lib/strcmp.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Provide symbol in case str func is not inlined. - * - * Copyright (c) 2006-2007 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#define strcmp __inline_strcmp -#include <asm/string.h> -#undef strcmp - -#include <linux/module.h> - -int strcmp(const char *dest, const char *src) -{ - return __inline_strcmp(dest, src); -} -EXPORT_SYMBOL(strcmp); diff --git a/arch/blackfin/lib/strcpy.S b/arch/blackfin/lib/strcpy.S new file mode 100644 index 000000000000..a6a0c6363806 --- /dev/null +++ b/arch/blackfin/lib/strcpy.S @@ -0,0 +1,35 @@ +/* + * Copyright 2005-2010 Analog Devices Inc. + * + * Licensed under the ADI BSD license or the GPL-2 (or later) + */ + +#include <linux/linkage.h> + +/* void *strcpy(char *dest, const char *src); + * R0 = address (dest) + * R1 = address (src) + * + * Returns a pointer to the destination string dest + */ + +#ifdef CONFIG_STRCPY_L1 +.section .l1.text +#else +.text +#endif + +.align 2 + +ENTRY(_strcpy) + P0 = R0 ; /* dst*/ + P1 = R1 ; /* src*/ + +1: + R1 = B [P1++] (Z); + B [P0++] = R1; + CC = R1; + if cc jump 1b (bp); + RTS; + +ENDPROC(_strcpy) diff --git a/arch/blackfin/lib/strcpy.c b/arch/blackfin/lib/strcpy.c deleted file mode 100644 index 2a8836b1f4d3..000000000000 --- a/arch/blackfin/lib/strcpy.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Provide symbol in case str func is not inlined. - * - * Copyright (c) 2006-2007 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#define strcpy __inline_strcpy -#include <asm/string.h> -#undef strcpy - -#include <linux/module.h> - -char *strcpy(char *dest, const char *src) -{ - return __inline_strcpy(dest, src); -} -EXPORT_SYMBOL(strcpy); diff --git a/arch/blackfin/lib/strncmp.S b/arch/blackfin/lib/strncmp.S new file mode 100644 index 000000000000..6da37c34a847 --- /dev/null +++ b/arch/blackfin/lib/strncmp.S @@ -0,0 +1,52 @@ +/* + * Copyright 2005-2010 Analog Devices Inc. + * + * Licensed under the ADI BSD license or the GPL-2 (or later) + */ + +#include <linux/linkage.h> + +/* void *strncpy(char *s1, const char *s2, size_t n); + * R0 = address (dest) + * R1 = address (src) + * R2 = size (n) + * Returns a pointer to the destination string dest + */ + +#ifdef CONFIG_STRNCMP_L1 +.section .l1.text +#else +.text +#endif + +.align 2 + +ENTRY(_strncmp) + CC = R2 == 0; + if CC JUMP 5f; + + P0 = R0 ; /* s1 */ + P1 = R1 ; /* s2 */ +1: + R0 = B[P0++] (Z); /* get *s1 */ + R1 = B[P1++] (Z); /* get *s2 */ + CC = R0 == R1; /* compare a byte */ + if ! cc jump 3f; /* not equal, break out */ + CC = R0; /* at end of s1? */ + if ! cc jump 4f; /* yes, all done */ + R2 += -1; /* no, adjust count */ + CC = R2 == 0; + if ! cc jump 1b (bp); /* more to do, keep going */ +2: + R0 = 0; /* strings are equal */ + jump.s 4f; +3: + R0 = R0 - R1; /* *s1 - *s2 */ +4: + RTS; + +5: + R0 = 0; + RTS; + +ENDPROC(_strncmp) diff --git a/arch/blackfin/lib/strncmp.c b/arch/blackfin/lib/strncmp.c deleted file mode 100644 index 46518b1d2983..000000000000 --- a/arch/blackfin/lib/strncmp.c +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Provide symbol in case str func is not inlined. - * - * Copyright (c) 2006-2007 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#define strncmp __inline_strncmp -#include <asm/string.h> -#include <linux/module.h> -#undef strncmp - -int strncmp(const char *cs, const char *ct, size_t count) -{ - return __inline_strncmp(cs, ct, count); -} -EXPORT_SYMBOL(strncmp); diff --git a/arch/blackfin/lib/strncpy.S b/arch/blackfin/lib/strncpy.S new file mode 100644 index 000000000000..f3931d50b4a7 --- /dev/null +++ b/arch/blackfin/lib/strncpy.S @@ -0,0 +1,85 @@ +/* + * Copyright 2005-2010 Analog Devices Inc. + * + * Licensed under the ADI BSD license or the GPL-2 (or later) + */ + +#include <linux/linkage.h> +#include <asm/context.S> + +/* void *strncpy(char *dest, const char *src, size_t n); + * R0 = address (dest) + * R1 = address (src) + * R2 = size + * Returns a pointer (R0) to the destination string dest + * we do this by not changing R0 + */ + +#ifdef CONFIG_STRNCPY_L1 +.section .l1.text +#else +.text +#endif + +.align 2 + +ENTRY(_strncpy) + CC = R2 == 0; + if CC JUMP 4f; + + P2 = R2 ; /* size */ + P0 = R0 ; /* dst*/ + P1 = R1 ; /* src*/ + + LSETUP (1f, 2f) LC0 = P2; +1: + R1 = B [P1++] (Z); + B [P0++] = R1; + CC = R1 == 0; +2: + if CC jump 3f; + + RTS; + + /* if src is shorter than n, we need to null pad bytes in dest + * but, we can get here when the last byte is zero, and we don't + * want to copy an extra byte at the end, so we need to check + */ +3: + R2 = LC0; + CC = R2 + if ! CC jump 6f; + + /* if the required null padded portion is small, do it here, rather than + * handling the overhead of memset (which is OK when things are big). + */ + R3 = 0x20; + CC = R2 < R3; + IF CC jump 4f; + + R2 += -1; + + /* Set things up for memset + * R0 = address + * R1 = filler byte (this case it's zero, set above) + * R2 = count (set above) + */ + + I1 = R0; + R0 = RETS; + I0 = R0; + R0 = P0; + pseudo_long_call _memset, p0; + R0 = I0; + RETS = R0; + R0 = I1; + RTS; + +4: + LSETUP(5f, 5f) LC0; +5: + B [P0++] = R1; +6: + RTS; + +ENDPROC(_strncpy) diff --git a/arch/blackfin/lib/strncpy.c b/arch/blackfin/lib/strncpy.c deleted file mode 100644 index ea1dc6bf2373..000000000000 --- a/arch/blackfin/lib/strncpy.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Provide symbol in case str func is not inlined. - * - * Copyright (c) 2006-2007 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#define strncpy __inline_strncpy -#include <asm/string.h> -#undef strncpy - -#include <linux/module.h> - -char *strncpy(char *dest, const char *src, size_t n) -{ - return __inline_strncpy(dest, src, n); -} -EXPORT_SYMBOL(strncpy); diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c index ebe76d1e874a..f392af641657 100644 --- a/arch/blackfin/mach-bf527/boards/cm_bf527.c +++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c @@ -98,6 +98,10 @@ static struct musb_hdrc_config musb_config = { .num_eps = 8, .dma_channels = 8, .gpio_vrsel = GPIO_PF11, + /* Some custom boards need to be active low, just set it to "0" + * if it is the case. + */ + .gpio_vrsel_active = 1, }; static struct musb_hdrc_platform_data musb_plat = { diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c index 55069af4f67d..606eb36b9d6e 100644 --- a/arch/blackfin/mach-bf527/boards/ezbrd.c +++ b/arch/blackfin/mach-bf527/boards/ezbrd.c @@ -62,6 +62,10 @@ static struct musb_hdrc_config musb_config = { .num_eps = 8, .dma_channels = 8, .gpio_vrsel = GPIO_PG13, + /* Some custom boards need to be active low, just set it to "0" + * if it is the case. + */ + .gpio_vrsel_active = 1, }; static struct musb_hdrc_platform_data musb_plat = { diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c index 923383386aa1..a05c967a24cf 100644 --- a/arch/blackfin/mach-bf527/boards/ezkit.c +++ b/arch/blackfin/mach-bf527/boards/ezkit.c @@ -102,6 +102,10 @@ static struct musb_hdrc_config musb_config = { .num_eps = 8, .dma_channels = 8, .gpio_vrsel = GPIO_PG13, + /* Some custom boards need to be active low, just set it to "0" + * if it is the case. + */ + .gpio_vrsel_active = 1, }; static struct musb_hdrc_platform_data musb_plat = { diff --git a/arch/blackfin/mach-bf537/boards/minotaur.c b/arch/blackfin/mach-bf537/boards/minotaur.c index c489d602c590..05d45994480e 100644 --- a/arch/blackfin/mach-bf537/boards/minotaur.c +++ b/arch/blackfin/mach-bf537/boards/minotaur.c @@ -23,12 +23,13 @@ #include <asm/dma.h> #include <asm/bfin5xx_spi.h> #include <asm/reboot.h> +#include <asm/portmux.h> #include <linux/spi/ad7877.h> /* * Name the Board for the /proc/cpuinfo */ -char *bfin_board_name = "CamSig Minotaur BF537"; +const char bfin_board_name[] = "CamSig Minotaur BF537"; #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE) static struct resource bfin_pcmcia_cf_resources[] = { diff --git a/arch/blackfin/mach-bf537/include/mach/defBF534.h b/arch/blackfin/mach-bf537/include/mach/defBF534.h index 066d5c261f47..cf396ea40092 100644 --- a/arch/blackfin/mach-bf537/include/mach/defBF534.h +++ b/arch/blackfin/mach-bf537/include/mach/defBF534.h @@ -1702,628 +1702,6 @@ #define RCV_HALF 0x0004 /* Receive FIFO Has 1 Byte To Read */ #define RCV_FULL 0x000C /* Receive FIFO Full (2 Bytes To Read) */ -/* ************ CONTROLLER AREA NETWORK (CAN) MASKS ***************/ -/* CAN_CONTROL Masks */ -#define SRS 0x0001 /* Software Reset */ -#define DNM 0x0002 /* Device Net Mode */ -#define ABO 0x0004 /* Auto-Bus On Enable */ -#define TXPRIO 0x0008 /* TX Priority (Priority/Mailbox*) */ -#define WBA 0x0010 /* Wake-Up On CAN Bus Activity Enable */ -#define SMR 0x0020 /* Sleep Mode Request */ -#define CSR 0x0040 /* CAN Suspend Mode Request */ -#define CCR 0x0080 /* CAN Configuration Mode Request */ - -/* CAN_STATUS Masks */ -#define WT 0x0001 /* TX Warning Flag */ -#define WR 0x0002 /* RX Warning Flag */ -#define EP 0x0004 /* Error Passive Mode */ -#define EBO 0x0008 /* Error Bus Off Mode */ -#define SMA 0x0020 /* Sleep Mode Acknowledge */ -#define CSA 0x0040 /* Suspend Mode Acknowledge */ -#define CCA 0x0080 /* Configuration Mode Acknowledge */ -#define MBPTR 0x1F00 /* Mailbox Pointer */ -#define TRM 0x4000 /* Transmit Mode */ -#define REC 0x8000 /* Receive Mode */ - -/* CAN_CLOCK Masks */ -#define BRP 0x03FF /* Bit-Rate Pre-Scaler */ - -/* CAN_TIMING Masks */ -#define TSEG1 0x000F /* Time Segment 1 */ -#define TSEG2 0x0070 /* Time Segment 2 */ -#define SAM 0x0080 /* Sampling */ -#define SJW 0x0300 /* Synchronization Jump Width */ - -/* CAN_DEBUG Masks */ -#define DEC 0x0001 /* Disable CAN Error Counters */ -#define DRI 0x0002 /* Disable CAN RX Input */ -#define DTO 0x0004 /* Disable CAN TX Output */ -#define DIL 0x0008 /* Disable CAN Internal Loop */ -#define MAA 0x0010 /* Mode Auto-Acknowledge Enable */ -#define MRB 0x0020 /* Mode Read Back Enable */ -#define CDE 0x8000 /* CAN Debug Enable */ - -/* CAN_CEC Masks */ -#define RXECNT 0x00FF /* Receive Error Counter */ -#define TXECNT 0xFF00 /* Transmit Error Counter */ - -/* CAN_INTR Masks */ -#define MBRIRQ 0x0001 /* Mailbox Receive Interrupt */ -#define MBRIF MBRIRQ /* legacy */ -#define MBTIRQ 0x0002 /* Mailbox Transmit Interrupt */ -#define MBTIF MBTIRQ /* legacy */ -#define GIRQ 0x0004 /* Global Interrupt */ -#define SMACK 0x0008 /* Sleep Mode Acknowledge */ -#define CANTX 0x0040 /* CAN TX Bus Value */ -#define CANRX 0x0080 /* CAN RX Bus Value */ - -/* CAN_MBxx_ID1 and CAN_MBxx_ID0 Masks */ -#define DFC 0xFFFF /* Data Filtering Code (If Enabled) (ID0) */ -#define EXTID_LO 0xFFFF /* Lower 16 Bits of Extended Identifier (ID0) */ -#define EXTID_HI 0x0003 /* Upper 2 Bits of Extended Identifier (ID1) */ -#define BASEID 0x1FFC /* Base Identifier */ -#define IDE 0x2000 /* Identifier Extension */ -#define RTR 0x4000 /* Remote Frame Transmission Request */ -#define AME 0x8000 /* Acceptance Mask Enable */ - -/* CAN_MBxx_TIMESTAMP Masks */ -#define TSV 0xFFFF /* Timestamp */ - -/* CAN_MBxx_LENGTH Masks */ -#define DLC 0x000F /* Data Length Code */ - -/* CAN_AMxxH and CAN_AMxxL Masks */ -#define DFM 0xFFFF /* Data Field Mask (If Enabled) (CAN_AMxxL) */ -#define EXTID_LO 0xFFFF /* Lower 16 Bits of Extended Identifier (CAN_AMxxL) */ -#define EXTID_HI 0x0003 /* Upper 2 Bits of Extended Identifier (CAN_AMxxH) */ -#define BASEID 0x1FFC /* Base Identifier */ -#define AMIDE 0x2000 /* Acceptance Mask ID Extension Enable */ -#define FMD 0x4000 /* Full Mask Data Field Enable */ -#define FDF 0x8000 /* Filter On Data Field Enable */ - -/* CAN_MC1 Masks */ -#define MC0 0x0001 /* Enable Mailbox 0 */ -#define MC1 0x0002 /* Enable Mailbox 1 */ -#define MC2 0x0004 /* Enable Mailbox 2 */ -#define MC3 0x0008 /* Enable Mailbox 3 */ -#define MC4 0x0010 /* Enable Mailbox 4 */ -#define MC5 0x0020 /* Enable Mailbox 5 */ -#define MC6 0x0040 /* Enable Mailbox 6 */ -#define MC7 0x0080 /* Enable Mailbox 7 */ -#define MC8 0x0100 /* Enable Mailbox 8 */ -#define MC9 0x0200 /* Enable Mailbox 9 */ -#define MC10 0x0400 /* Enable Mailbox 10 */ -#define MC11 0x0800 /* Enable Mailbox 11 */ -#define MC12 0x1000 /* Enable Mailbox 12 */ -#define MC13 0x2000 /* Enable Mailbox 13 */ -#define MC14 0x4000 /* Enable Mailbox 14 */ -#define MC15 0x8000 /* Enable Mailbox 15 */ - -/* CAN_MC2 Masks */ -#define MC16 0x0001 /* Enable Mailbox 16 */ -#define MC17 0x0002 /* Enable Mailbox 17 */ -#define MC18 0x0004 /* Enable Mailbox 18 */ -#define MC19 0x0008 /* Enable Mailbox 19 */ -#define MC20 0x0010 /* Enable Mailbox 20 */ -#define MC21 0x0020 /* Enable Mailbox 21 */ -#define MC22 0x0040 /* Enable Mailbox 22 */ -#define MC23 0x0080 /* Enable Mailbox 23 */ -#define MC24 0x0100 /* Enable Mailbox 24 */ -#define MC25 0x0200 /* Enable Mailbox 25 */ -#define MC26 0x0400 /* Enable Mailbox 26 */ -#define MC27 0x0800 /* Enable Mailbox 27 */ -#define MC28 0x1000 /* Enable Mailbox 28 */ -#define MC29 0x2000 /* Enable Mailbox 29 */ -#define MC30 0x4000 /* Enable Mailbox 30 */ -#define MC31 0x8000 /* Enable Mailbox 31 */ - -/* CAN_MD1 Masks */ -#define MD0 0x0001 /* Enable Mailbox 0 For Receive */ -#define MD1 0x0002 /* Enable Mailbox 1 For Receive */ -#define MD2 0x0004 /* Enable Mailbox 2 For Receive */ -#define MD3 0x0008 /* Enable Mailbox 3 For Receive */ -#define MD4 0x0010 /* Enable Mailbox 4 For Receive */ -#define MD5 0x0020 /* Enable Mailbox 5 For Receive */ -#define MD6 0x0040 /* Enable Mailbox 6 For Receive */ -#define MD7 0x0080 /* Enable Mailbox 7 For Receive */ -#define MD8 0x0100 /* Enable Mailbox 8 For Receive */ -#define MD9 0x0200 /* Enable Mailbox 9 For Receive */ -#define MD10 0x0400 /* Enable Mailbox 10 For Receive */ -#define MD11 0x0800 /* Enable Mailbox 11 For Receive */ -#define MD12 0x1000 /* Enable Mailbox 12 For Receive */ -#define MD13 0x2000 /* Enable Mailbox 13 For Receive */ -#define MD14 0x4000 /* Enable Mailbox 14 For Receive */ -#define MD15 0x8000 /* Enable Mailbox 15 For Receive */ - -/* CAN_MD2 Masks */ -#define MD16 0x0001 /* Enable Mailbox 16 For Receive */ -#define MD17 0x0002 /* Enable Mailbox 17 For Receive */ -#define MD18 0x0004 /* Enable Mailbox 18 For Receive */ -#define MD19 0x0008 /* Enable Mailbox 19 For Receive */ -#define MD20 0x0010 /* Enable Mailbox 20 For Receive */ -#define MD21 0x0020 /* Enable Mailbox 21 For Receive */ -#define MD22 0x0040 /* Enable Mailbox 22 For Receive */ -#define MD23 0x0080 /* Enable Mailbox 23 For Receive */ -#define MD24 0x0100 /* Enable Mailbox 24 For Receive */ -#define MD25 0x0200 /* Enable Mailbox 25 For Receive */ -#define MD26 0x0400 /* Enable Mailbox 26 For Receive */ -#define MD27 0x0800 /* Enable Mailbox 27 For Receive */ -#define MD28 0x1000 /* Enable Mailbox 28 For Receive */ -#define MD29 0x2000 /* Enable Mailbox 29 For Receive */ -#define MD30 0x4000 /* Enable Mailbox 30 For Receive */ -#define MD31 0x8000 /* Enable Mailbox 31 For Receive */ - -/* CAN_RMP1 Masks */ -#define RMP0 0x0001 /* RX Message Pending In Mailbox 0 */ -#define RMP1 0x0002 /* RX Message Pending In Mailbox 1 */ -#define RMP2 0x0004 /* RX Message Pending In Mailbox 2 */ -#define RMP3 0x0008 /* RX Message Pending In Mailbox 3 */ -#define RMP4 0x0010 /* RX Message Pending In Mailbox 4 */ -#define RMP5 0x0020 /* RX Message Pending In Mailbox 5 */ -#define RMP6 0x0040 /* RX Message Pending In Mailbox 6 */ -#define RMP7 0x0080 /* RX Message Pending In Mailbox 7 */ -#define RMP8 0x0100 /* RX Message Pending In Mailbox 8 */ -#define RMP9 0x0200 /* RX Message Pending In Mailbox 9 */ -#define RMP10 0x0400 /* RX Message Pending In Mailbox 10 */ -#define RMP11 0x0800 /* RX Message Pending In Mailbox 11 */ -#define RMP12 0x1000 /* RX Message Pending In Mailbox 12 */ -#define RMP13 0x2000 /* RX Message Pending In Mailbox 13 */ -#define RMP14 0x4000 /* RX Message Pending In Mailbox 14 */ -#define RMP15 0x8000 /* RX Message Pending In Mailbox 15 */ - -/* CAN_RMP2 Masks */ -#define RMP16 0x0001 /* RX Message Pending In Mailbox 16 */ -#define RMP17 0x0002 /* RX Message Pending In Mailbox 17 */ -#define RMP18 0x0004 /* RX Message Pending In Mailbox 18 */ -#define RMP19 0x0008 /* RX Message Pending In Mailbox 19 */ -#define RMP20 0x0010 /* RX Message Pending In Mailbox 20 */ -#define RMP21 0x0020 /* RX Message Pending In Mailbox 21 */ -#define RMP22 0x0040 /* RX Message Pending In Mailbox 22 */ -#define RMP23 0x0080 /* RX Message Pending In Mailbox 23 */ -#define RMP24 0x0100 /* RX Message Pending In Mailbox 24 */ -#define RMP25 0x0200 /* RX Message Pending In Mailbox 25 */ -#define RMP26 0x0400 /* RX Message Pending In Mailbox 26 */ -#define RMP27 0x0800 /* RX Message Pending In Mailbox 27 */ -#define RMP28 0x1000 /* RX Message Pending In Mailbox 28 */ -#define RMP29 0x2000 /* RX Message Pending In Mailbox 29 */ -#define RMP30 0x4000 /* RX Message Pending In Mailbox 30 */ -#define RMP31 0x8000 /* RX Message Pending In Mailbox 31 */ - -/* CAN_RML1 Masks */ -#define RML0 0x0001 /* RX Message Lost In Mailbox 0 */ -#define RML1 0x0002 /* RX Message Lost In Mailbox 1 */ -#define RML2 0x0004 /* RX Message Lost In Mailbox 2 */ -#define RML3 0x0008 /* RX Message Lost In Mailbox 3 */ -#define RML4 0x0010 /* RX Message Lost In Mailbox 4 */ -#define RML5 0x0020 /* RX Message Lost In Mailbox 5 */ -#define RML6 0x0040 /* RX Message Lost In Mailbox 6 */ -#define RML7 0x0080 /* RX Message Lost In Mailbox 7 */ -#define RML8 0x0100 /* RX Message Lost In Mailbox 8 */ -#define RML9 0x0200 /* RX Message Lost In Mailbox 9 */ -#define RML10 0x0400 /* RX Message Lost In Mailbox 10 */ -#define RML11 0x0800 /* RX Message Lost In Mailbox 11 */ -#define RML12 0x1000 /* RX Message Lost In Mailbox 12 */ -#define RML13 0x2000 /* RX Message Lost In Mailbox 13 */ -#define RML14 0x4000 /* RX Message Lost In Mailbox 14 */ -#define RML15 0x8000 /* RX Message Lost In Mailbox 15 */ - -/* CAN_RML2 Masks */ -#define RML16 0x0001 /* RX Message Lost In Mailbox 16 */ -#define RML17 0x0002 /* RX Message Lost In Mailbox 17 */ -#define RML18 0x0004 /* RX Message Lost In Mailbox 18 */ -#define RML19 0x0008 /* RX Message Lost In Mailbox 19 */ -#define RML20 0x0010 /* RX Message Lost In Mailbox 20 */ -#define RML21 0x0020 /* RX Message Lost In Mailbox 21 */ -#define RML22 0x0040 /* RX Message Lost In Mailbox 22 */ -#define RML23 0x0080 /* RX Message Lost In Mailbox 23 */ -#define RML24 0x0100 /* RX Message Lost In Mailbox 24 */ -#define RML25 0x0200 /* RX Message Lost In Mailbox 25 */ -#define RML26 0x0400 /* RX Message Lost In Mailbox 26 */ -#define RML27 0x0800 /* RX Message Lost In Mailbox 27 */ -#define RML28 0x1000 /* RX Message Lost In Mailbox 28 */ -#define RML29 0x2000 /* RX Message Lost In Mailbox 29 */ -#define RML30 0x4000 /* RX Message Lost In Mailbox 30 */ -#define RML31 0x8000 /* RX Message Lost In Mailbox 31 */ - -/* CAN_OPSS1 Masks */ -#define OPSS0 0x0001 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 0 */ -#define OPSS1 0x0002 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 1 */ -#define OPSS2 0x0004 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 2 */ -#define OPSS3 0x0008 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 3 */ -#define OPSS4 0x0010 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 4 */ -#define OPSS5 0x0020 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 5 */ -#define OPSS6 0x0040 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 6 */ -#define OPSS7 0x0080 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 7 */ -#define OPSS8 0x0100 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 8 */ -#define OPSS9 0x0200 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 9 */ -#define OPSS10 0x0400 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 10 */ -#define OPSS11 0x0800 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 11 */ -#define OPSS12 0x1000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 12 */ -#define OPSS13 0x2000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 13 */ -#define OPSS14 0x4000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 14 */ -#define OPSS15 0x8000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 15 */ - -/* CAN_OPSS2 Masks */ -#define OPSS16 0x0001 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 16 */ -#define OPSS17 0x0002 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 17 */ -#define OPSS18 0x0004 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 18 */ -#define OPSS19 0x0008 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 19 */ -#define OPSS20 0x0010 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 20 */ -#define OPSS21 0x0020 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 21 */ -#define OPSS22 0x0040 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 22 */ -#define OPSS23 0x0080 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 23 */ -#define OPSS24 0x0100 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 24 */ -#define OPSS25 0x0200 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 25 */ -#define OPSS26 0x0400 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 26 */ -#define OPSS27 0x0800 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 27 */ -#define OPSS28 0x1000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 28 */ -#define OPSS29 0x2000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 29 */ -#define OPSS30 0x4000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 30 */ -#define OPSS31 0x8000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 31 */ - -/* CAN_TRR1 Masks */ -#define TRR0 0x0001 /* Deny But Don't Lock Access To Mailbox 0 */ -#define TRR1 0x0002 /* Deny But Don't Lock Access To Mailbox 1 */ -#define TRR2 0x0004 /* Deny But Don't Lock Access To Mailbox 2 */ -#define TRR3 0x0008 /* Deny But Don't Lock Access To Mailbox 3 */ -#define TRR4 0x0010 /* Deny But Don't Lock Access To Mailbox 4 */ -#define TRR5 0x0020 /* Deny But Don't Lock Access To Mailbox 5 */ -#define TRR6 0x0040 /* Deny But Don't Lock Access To Mailbox 6 */ -#define TRR7 0x0080 /* Deny But Don't Lock Access To Mailbox 7 */ -#define TRR8 0x0100 /* Deny But Don't Lock Access To Mailbox 8 */ -#define TRR9 0x0200 /* Deny But Don't Lock Access To Mailbox 9 */ -#define TRR10 0x0400 /* Deny But Don't Lock Access To Mailbox 10 */ -#define TRR11 0x0800 /* Deny But Don't Lock Access To Mailbox 11 */ -#define TRR12 0x1000 /* Deny But Don't Lock Access To Mailbox 12 */ -#define TRR13 0x2000 /* Deny But Don't Lock Access To Mailbox 13 */ -#define TRR14 0x4000 /* Deny But Don't Lock Access To Mailbox 14 */ -#define TRR15 0x8000 /* Deny But Don't Lock Access To Mailbox 15 */ - -/* CAN_TRR2 Masks */ -#define TRR16 0x0001 /* Deny But Don't Lock Access To Mailbox 16 */ -#define TRR17 0x0002 /* Deny But Don't Lock Access To Mailbox 17 */ -#define TRR18 0x0004 /* Deny But Don't Lock Access To Mailbox 18 */ -#define TRR19 0x0008 /* Deny But Don't Lock Access To Mailbox 19 */ -#define TRR20 0x0010 /* Deny But Don't Lock Access To Mailbox 20 */ -#define TRR21 0x0020 /* Deny But Don't Lock Access To Mailbox 21 */ -#define TRR22 0x0040 /* Deny But Don't Lock Access To Mailbox 22 */ -#define TRR23 0x0080 /* Deny But Don't Lock Access To Mailbox 23 */ -#define TRR24 0x0100 /* Deny But Don't Lock Access To Mailbox 24 */ -#define TRR25 0x0200 /* Deny But Don't Lock Access To Mailbox 25 */ -#define TRR26 0x0400 /* Deny But Don't Lock Access To Mailbox 26 */ -#define TRR27 0x0800 /* Deny But Don't Lock Access To Mailbox 27 */ -#define TRR28 0x1000 /* Deny But Don't Lock Access To Mailbox 28 */ -#define TRR29 0x2000 /* Deny But Don't Lock Access To Mailbox 29 */ -#define TRR30 0x4000 /* Deny But Don't Lock Access To Mailbox 30 */ -#define TRR31 0x8000 /* Deny But Don't Lock Access To Mailbox 31 */ - -/* CAN_TRS1 Masks */ -#define TRS0 0x0001 /* Remote Frame Request For Mailbox 0 */ -#define TRS1 0x0002 /* Remote Frame Request For Mailbox 1 */ -#define TRS2 0x0004 /* Remote Frame Request For Mailbox 2 */ -#define TRS3 0x0008 /* Remote Frame Request For Mailbox 3 */ -#define TRS4 0x0010 /* Remote Frame Request For Mailbox 4 */ -#define TRS5 0x0020 /* Remote Frame Request For Mailbox 5 */ -#define TRS6 0x0040 /* Remote Frame Request For Mailbox 6 */ -#define TRS7 0x0080 /* Remote Frame Request For Mailbox 7 */ -#define TRS8 0x0100 /* Remote Frame Request For Mailbox 8 */ -#define TRS9 0x0200 /* Remote Frame Request For Mailbox 9 */ -#define TRS10 0x0400 /* Remote Frame Request For Mailbox 10 */ -#define TRS11 0x0800 /* Remote Frame Request For Mailbox 11 */ -#define TRS12 0x1000 /* Remote Frame Request For Mailbox 12 */ -#define TRS13 0x2000 /* Remote Frame Request For Mailbox 13 */ -#define TRS14 0x4000 /* Remote Frame Request For Mailbox 14 */ -#define TRS15 0x8000 /* Remote Frame Request For Mailbox 15 */ - -/* CAN_TRS2 Masks */ -#define TRS16 0x0001 /* Remote Frame Request For Mailbox 16 */ -#define TRS17 0x0002 /* Remote Frame Request For Mailbox 17 */ -#define TRS18 0x0004 /* Remote Frame Request For Mailbox 18 */ -#define TRS19 0x0008 /* Remote Frame Request For Mailbox 19 */ -#define TRS20 0x0010 /* Remote Frame Request For Mailbox 20 */ -#define TRS21 0x0020 /* Remote Frame Request For Mailbox 21 */ -#define TRS22 0x0040 /* Remote Frame Request For Mailbox 22 */ -#define TRS23 0x0080 /* Remote Frame Request For Mailbox 23 */ -#define TRS24 0x0100 /* Remote Frame Request For Mailbox 24 */ -#define TRS25 0x0200 /* Remote Frame Request For Mailbox 25 */ -#define TRS26 0x0400 /* Remote Frame Request For Mailbox 26 */ -#define TRS27 0x0800 /* Remote Frame Request For Mailbox 27 */ -#define TRS28 0x1000 /* Remote Frame Request For Mailbox 28 */ -#define TRS29 0x2000 /* Remote Frame Request For Mailbox 29 */ -#define TRS30 0x4000 /* Remote Frame Request For Mailbox 30 */ -#define TRS31 0x8000 /* Remote Frame Request For Mailbox 31 */ - -/* CAN_AA1 Masks */ -#define AA0 0x0001 /* Aborted Message In Mailbox 0 */ -#define AA1 0x0002 /* Aborted Message In Mailbox 1 */ -#define AA2 0x0004 /* Aborted Message In Mailbox 2 */ -#define AA3 0x0008 /* Aborted Message In Mailbox 3 */ -#define AA4 0x0010 /* Aborted Message In Mailbox 4 */ -#define AA5 0x0020 /* Aborted Message In Mailbox 5 */ -#define AA6 0x0040 /* Aborted Message In Mailbox 6 */ -#define AA7 0x0080 /* Aborted Message In Mailbox 7 */ -#define AA8 0x0100 /* Aborted Message In Mailbox 8 */ -#define AA9 0x0200 /* Aborted Message In Mailbox 9 */ -#define AA10 0x0400 /* Aborted Message In Mailbox 10 */ -#define AA11 0x0800 /* Aborted Message In Mailbox 11 */ -#define AA12 0x1000 /* Aborted Message In Mailbox 12 */ -#define AA13 0x2000 /* Aborted Message In Mailbox 13 */ -#define AA14 0x4000 /* Aborted Message In Mailbox 14 */ -#define AA15 0x8000 /* Aborted Message In Mailbox 15 */ - -/* CAN_AA2 Masks */ -#define AA16 0x0001 /* Aborted Message In Mailbox 16 */ -#define AA17 0x0002 /* Aborted Message In Mailbox 17 */ -#define AA18 0x0004 /* Aborted Message In Mailbox 18 */ -#define AA19 0x0008 /* Aborted Message In Mailbox 19 */ -#define AA20 0x0010 /* Aborted Message In Mailbox 20 */ -#define AA21 0x0020 /* Aborted Message In Mailbox 21 */ -#define AA22 0x0040 /* Aborted Message In Mailbox 22 */ -#define AA23 0x0080 /* Aborted Message In Mailbox 23 */ -#define AA24 0x0100 /* Aborted Message In Mailbox 24 */ -#define AA25 0x0200 /* Aborted Message In Mailbox 25 */ -#define AA26 0x0400 /* Aborted Message In Mailbox 26 */ -#define AA27 0x0800 /* Aborted Message In Mailbox 27 */ -#define AA28 0x1000 /* Aborted Message In Mailbox 28 */ -#define AA29 0x2000 /* Aborted Message In Mailbox 29 */ -#define AA30 0x4000 /* Aborted Message In Mailbox 30 */ -#define AA31 0x8000 /* Aborted Message In Mailbox 31 */ - -/* CAN_TA1 Masks */ -#define TA0 0x0001 /* Transmit Successful From Mailbox 0 */ -#define TA1 0x0002 /* Transmit Successful From Mailbox 1 */ -#define TA2 0x0004 /* Transmit Successful From Mailbox 2 */ -#define TA3 0x0008 /* Transmit Successful From Mailbox 3 */ -#define TA4 0x0010 /* Transmit Successful From Mailbox 4 */ -#define TA5 0x0020 /* Transmit Successful From Mailbox 5 */ -#define TA6 0x0040 /* Transmit Successful From Mailbox 6 */ -#define TA7 0x0080 /* Transmit Successful From Mailbox 7 */ -#define TA8 0x0100 /* Transmit Successful From Mailbox 8 */ -#define TA9 0x0200 /* Transmit Successful From Mailbox 9 */ -#define TA10 0x0400 /* Transmit Successful From Mailbox 10 */ -#define TA11 0x0800 /* Transmit Successful From Mailbox 11 */ -#define TA12 0x1000 /* Transmit Successful From Mailbox 12 */ -#define TA13 0x2000 /* Transmit Successful From Mailbox 13 */ -#define TA14 0x4000 /* Transmit Successful From Mailbox 14 */ -#define TA15 0x8000 /* Transmit Successful From Mailbox 15 */ - -/* CAN_TA2 Masks */ -#define TA16 0x0001 /* Transmit Successful From Mailbox 16 */ -#define TA17 0x0002 /* Transmit Successful From Mailbox 17 */ -#define TA18 0x0004 /* Transmit Successful From Mailbox 18 */ -#define TA19 0x0008 /* Transmit Successful From Mailbox 19 */ -#define TA20 0x0010 /* Transmit Successful From Mailbox 20 */ -#define TA21 0x0020 /* Transmit Successful From Mailbox 21 */ -#define TA22 0x0040 /* Transmit Successful From Mailbox 22 */ -#define TA23 0x0080 /* Transmit Successful From Mailbox 23 */ -#define TA24 0x0100 /* Transmit Successful From Mailbox 24 */ -#define TA25 0x0200 /* Transmit Successful From Mailbox 25 */ -#define TA26 0x0400 /* Transmit Successful From Mailbox 26 */ -#define TA27 0x0800 /* Transmit Successful From Mailbox 27 */ -#define TA28 0x1000 /* Transmit Successful From Mailbox 28 */ -#define TA29 0x2000 /* Transmit Successful From Mailbox 29 */ -#define TA30 0x4000 /* Transmit Successful From Mailbox 30 */ -#define TA31 0x8000 /* Transmit Successful From Mailbox 31 */ - -/* CAN_MBTD Masks */ -#define TDPTR 0x001F /* Mailbox To Temporarily Disable */ -#define TDA 0x0040 /* Temporary Disable Acknowledge */ -#define TDR 0x0080 /* Temporary Disable Request */ - -/* CAN_RFH1 Masks */ -#define RFH0 0x0001 /* Enable Automatic Remote Frame Handling For Mailbox 0 */ -#define RFH1 0x0002 /* Enable Automatic Remote Frame Handling For Mailbox 1 */ -#define RFH2 0x0004 /* Enable Automatic Remote Frame Handling For Mailbox 2 */ -#define RFH3 0x0008 /* Enable Automatic Remote Frame Handling For Mailbox 3 */ -#define RFH4 0x0010 /* Enable Automatic Remote Frame Handling For Mailbox 4 */ -#define RFH5 0x0020 /* Enable Automatic Remote Frame Handling For Mailbox 5 */ -#define RFH6 0x0040 /* Enable Automatic Remote Frame Handling For Mailbox 6 */ -#define RFH7 0x0080 /* Enable Automatic Remote Frame Handling For Mailbox 7 */ -#define RFH8 0x0100 /* Enable Automatic Remote Frame Handling For Mailbox 8 */ -#define RFH9 0x0200 /* Enable Automatic Remote Frame Handling For Mailbox 9 */ -#define RFH10 0x0400 /* Enable Automatic Remote Frame Handling For Mailbox 10 */ -#define RFH11 0x0800 /* Enable Automatic Remote Frame Handling For Mailbox 11 */ -#define RFH12 0x1000 /* Enable Automatic Remote Frame Handling For Mailbox 12 */ -#define RFH13 0x2000 /* Enable Automatic Remote Frame Handling For Mailbox 13 */ -#define RFH14 0x4000 /* Enable Automatic Remote Frame Handling For Mailbox 14 */ -#define RFH15 0x8000 /* Enable Automatic Remote Frame Handling For Mailbox 15 */ - -/* CAN_RFH2 Masks */ -#define RFH16 0x0001 /* Enable Automatic Remote Frame Handling For Mailbox 16 */ -#define RFH17 0x0002 /* Enable Automatic Remote Frame Handling For Mailbox 17 */ -#define RFH18 0x0004 /* Enable Automatic Remote Frame Handling For Mailbox 18 */ -#define RFH19 0x0008 /* Enable Automatic Remote Frame Handling For Mailbox 19 */ -#define RFH20 0x0010 /* Enable Automatic Remote Frame Handling For Mailbox 20 */ -#define RFH21 0x0020 /* Enable Automatic Remote Frame Handling For Mailbox 21 */ -#define RFH22 0x0040 /* Enable Automatic Remote Frame Handling For Mailbox 22 */ -#define RFH23 0x0080 /* Enable Automatic Remote Frame Handling For Mailbox 23 */ -#define RFH24 0x0100 /* Enable Automatic Remote Frame Handling For Mailbox 24 */ -#define RFH25 0x0200 /* Enable Automatic Remote Frame Handling For Mailbox 25 */ -#define RFH26 0x0400 /* Enable Automatic Remote Frame Handling For Mailbox 26 */ -#define RFH27 0x0800 /* Enable Automatic Remote Frame Handling For Mailbox 27 */ -#define RFH28 0x1000 /* Enable Automatic Remote Frame Handling For Mailbox 28 */ -#define RFH29 0x2000 /* Enable Automatic Remote Frame Handling For Mailbox 29 */ -#define RFH30 0x4000 /* Enable Automatic Remote Frame Handling For Mailbox 30 */ -#define RFH31 0x8000 /* Enable Automatic Remote Frame Handling For Mailbox 31 */ - -/* CAN_MBTIF1 Masks */ -#define MBTIF0 0x0001 /* TX Interrupt Active In Mailbox 0 */ -#define MBTIF1 0x0002 /* TX Interrupt Active In Mailbox 1 */ -#define MBTIF2 0x0004 /* TX Interrupt Active In Mailbox 2 */ -#define MBTIF3 0x0008 /* TX Interrupt Active In Mailbox 3 */ -#define MBTIF4 0x0010 /* TX Interrupt Active In Mailbox 4 */ -#define MBTIF5 0x0020 /* TX Interrupt Active In Mailbox 5 */ -#define MBTIF6 0x0040 /* TX Interrupt Active In Mailbox 6 */ -#define MBTIF7 0x0080 /* TX Interrupt Active In Mailbox 7 */ -#define MBTIF8 0x0100 /* TX Interrupt Active In Mailbox 8 */ -#define MBTIF9 0x0200 /* TX Interrupt Active In Mailbox 9 */ -#define MBTIF10 0x0400 /* TX Interrupt Active In Mailbox 10 */ -#define MBTIF11 0x0800 /* TX Interrupt Active In Mailbox 11 */ -#define MBTIF12 0x1000 /* TX Interrupt Active In Mailbox 12 */ -#define MBTIF13 0x2000 /* TX Interrupt Active In Mailbox 13 */ -#define MBTIF14 0x4000 /* TX Interrupt Active In Mailbox 14 */ -#define MBTIF15 0x8000 /* TX Interrupt Active In Mailbox 15 */ - -/* CAN_MBTIF2 Masks */ -#define MBTIF16 0x0001 /* TX Interrupt Active In Mailbox 16 */ -#define MBTIF17 0x0002 /* TX Interrupt Active In Mailbox 17 */ -#define MBTIF18 0x0004 /* TX Interrupt Active In Mailbox 18 */ -#define MBTIF19 0x0008 /* TX Interrupt Active In Mailbox 19 */ -#define MBTIF20 0x0010 /* TX Interrupt Active In Mailbox 20 */ -#define MBTIF21 0x0020 /* TX Interrupt Active In Mailbox 21 */ -#define MBTIF22 0x0040 /* TX Interrupt Active In Mailbox 22 */ -#define MBTIF23 0x0080 /* TX Interrupt Active In Mailbox 23 */ -#define MBTIF24 0x0100 /* TX Interrupt Active In Mailbox 24 */ -#define MBTIF25 0x0200 /* TX Interrupt Active In Mailbox 25 */ -#define MBTIF26 0x0400 /* TX Interrupt Active In Mailbox 26 */ -#define MBTIF27 0x0800 /* TX Interrupt Active In Mailbox 27 */ -#define MBTIF28 0x1000 /* TX Interrupt Active In Mailbox 28 */ -#define MBTIF29 0x2000 /* TX Interrupt Active In Mailbox 29 */ -#define MBTIF30 0x4000 /* TX Interrupt Active In Mailbox 30 */ -#define MBTIF31 0x8000 /* TX Interrupt Active In Mailbox 31 */ - -/* CAN_MBRIF1 Masks */ -#define MBRIF0 0x0001 /* RX Interrupt Active In Mailbox 0 */ -#define MBRIF1 0x0002 /* RX Interrupt Active In Mailbox 1 */ -#define MBRIF2 0x0004 /* RX Interrupt Active In Mailbox 2 */ -#define MBRIF3 0x0008 /* RX Interrupt Active In Mailbox 3 */ -#define MBRIF4 0x0010 /* RX Interrupt Active In Mailbox 4 */ -#define MBRIF5 0x0020 /* RX Interrupt Active In Mailbox 5 */ -#define MBRIF6 0x0040 /* RX Interrupt Active In Mailbox 6 */ -#define MBRIF7 0x0080 /* RX Interrupt Active In Mailbox 7 */ -#define MBRIF8 0x0100 /* RX Interrupt Active In Mailbox 8 */ -#define MBRIF9 0x0200 /* RX Interrupt Active In Mailbox 9 */ -#define MBRIF10 0x0400 /* RX Interrupt Active In Mailbox 10 */ -#define MBRIF11 0x0800 /* RX Interrupt Active In Mailbox 11 */ -#define MBRIF12 0x1000 /* RX Interrupt Active In Mailbox 12 */ -#define MBRIF13 0x2000 /* RX Interrupt Active In Mailbox 13 */ -#define MBRIF14 0x4000 /* RX Interrupt Active In Mailbox 14 */ -#define MBRIF15 0x8000 /* RX Interrupt Active In Mailbox 15 */ - -/* CAN_MBRIF2 Masks */ -#define MBRIF16 0x0001 /* RX Interrupt Active In Mailbox 16 */ -#define MBRIF17 0x0002 /* RX Interrupt Active In Mailbox 17 */ -#define MBRIF18 0x0004 /* RX Interrupt Active In Mailbox 18 */ -#define MBRIF19 0x0008 /* RX Interrupt Active In Mailbox 19 */ -#define MBRIF20 0x0010 /* RX Interrupt Active In Mailbox 20 */ -#define MBRIF21 0x0020 /* RX Interrupt Active In Mailbox 21 */ -#define MBRIF22 0x0040 /* RX Interrupt Active In Mailbox 22 */ -#define MBRIF23 0x0080 /* RX Interrupt Active In Mailbox 23 */ -#define MBRIF24 0x0100 /* RX Interrupt Active In Mailbox 24 */ -#define MBRIF25 0x0200 /* RX Interrupt Active In Mailbox 25 */ -#define MBRIF26 0x0400 /* RX Interrupt Active In Mailbox 26 */ -#define MBRIF27 0x0800 /* RX Interrupt Active In Mailbox 27 */ -#define MBRIF28 0x1000 /* RX Interrupt Active In Mailbox 28 */ -#define MBRIF29 0x2000 /* RX Interrupt Active In Mailbox 29 */ -#define MBRIF30 0x4000 /* RX Interrupt Active In Mailbox 30 */ -#define MBRIF31 0x8000 /* RX Interrupt Active In Mailbox 31 */ - -/* CAN_MBIM1 Masks */ -#define MBIM0 0x0001 /* Enable Interrupt For Mailbox 0 */ -#define MBIM1 0x0002 /* Enable Interrupt For Mailbox 1 */ -#define MBIM2 0x0004 /* Enable Interrupt For Mailbox 2 */ -#define MBIM3 0x0008 /* Enable Interrupt For Mailbox 3 */ -#define MBIM4 0x0010 /* Enable Interrupt For Mailbox 4 */ -#define MBIM5 0x0020 /* Enable Interrupt For Mailbox 5 */ -#define MBIM6 0x0040 /* Enable Interrupt For Mailbox 6 */ -#define MBIM7 0x0080 /* Enable Interrupt For Mailbox 7 */ -#define MBIM8 0x0100 /* Enable Interrupt For Mailbox 8 */ -#define MBIM9 0x0200 /* Enable Interrupt For Mailbox 9 */ -#define MBIM10 0x0400 /* Enable Interrupt For Mailbox 10 */ -#define MBIM11 0x0800 /* Enable Interrupt For Mailbox 11 */ -#define MBIM12 0x1000 /* Enable Interrupt For Mailbox 12 */ -#define MBIM13 0x2000 /* Enable Interrupt For Mailbox 13 */ -#define MBIM14 0x4000 /* Enable Interrupt For Mailbox 14 */ -#define MBIM15 0x8000 /* Enable Interrupt For Mailbox 15 */ - -/* CAN_MBIM2 Masks */ -#define MBIM16 0x0001 /* Enable Interrupt For Mailbox 16 */ -#define MBIM17 0x0002 /* Enable Interrupt For Mailbox 17 */ -#define MBIM18 0x0004 /* Enable Interrupt For Mailbox 18 */ -#define MBIM19 0x0008 /* Enable Interrupt For Mailbox 19 */ -#define MBIM20 0x0010 /* Enable Interrupt For Mailbox 20 */ -#define MBIM21 0x0020 /* Enable Interrupt For Mailbox 21 */ -#define MBIM22 0x0040 /* Enable Interrupt For Mailbox 22 */ -#define MBIM23 0x0080 /* Enable Interrupt For Mailbox 23 */ -#define MBIM24 0x0100 /* Enable Interrupt For Mailbox 24 */ -#define MBIM25 0x0200 /* Enable Interrupt For Mailbox 25 */ -#define MBIM26 0x0400 /* Enable Interrupt For Mailbox 26 */ -#define MBIM27 0x0800 /* Enable Interrupt For Mailbox 27 */ -#define MBIM28 0x1000 /* Enable Interrupt For Mailbox 28 */ -#define MBIM29 0x2000 /* Enable Interrupt For Mailbox 29 */ -#define MBIM30 0x4000 /* Enable Interrupt For Mailbox 30 */ -#define MBIM31 0x8000 /* Enable Interrupt For Mailbox 31 */ - -/* CAN_GIM Masks */ -#define EWTIM 0x0001 /* Enable TX Error Count Interrupt */ -#define EWRIM 0x0002 /* Enable RX Error Count Interrupt */ -#define EPIM 0x0004 /* Enable Error-Passive Mode Interrupt */ -#define BOIM 0x0008 /* Enable Bus Off Interrupt */ -#define WUIM 0x0010 /* Enable Wake-Up Interrupt */ -#define UIAIM 0x0020 /* Enable Access To Unimplemented Address Interrupt */ -#define AAIM 0x0040 /* Enable Abort Acknowledge Interrupt */ -#define RMLIM 0x0080 /* Enable RX Message Lost Interrupt */ -#define UCEIM 0x0100 /* Enable Universal Counter Overflow Interrupt */ -#define EXTIM 0x0200 /* Enable External Trigger Output Interrupt */ -#define ADIM 0x0400 /* Enable Access Denied Interrupt */ - -/* CAN_GIS Masks */ -#define EWTIS 0x0001 /* TX Error Count IRQ Status */ -#define EWRIS 0x0002 /* RX Error Count IRQ Status */ -#define EPIS 0x0004 /* Error-Passive Mode IRQ Status */ -#define BOIS 0x0008 /* Bus Off IRQ Status */ -#define WUIS 0x0010 /* Wake-Up IRQ Status */ -#define UIAIS 0x0020 /* Access To Unimplemented Address IRQ Status */ -#define AAIS 0x0040 /* Abort Acknowledge IRQ Status */ -#define RMLIS 0x0080 /* RX Message Lost IRQ Status */ -#define UCEIS 0x0100 /* Universal Counter Overflow IRQ Status */ -#define EXTIS 0x0200 /* External Trigger Output IRQ Status */ -#define ADIS 0x0400 /* Access Denied IRQ Status */ - -/* CAN_GIF Masks */ -#define EWTIF 0x0001 /* TX Error Count IRQ Flag */ -#define EWRIF 0x0002 /* RX Error Count IRQ Flag */ -#define EPIF 0x0004 /* Error-Passive Mode IRQ Flag */ -#define BOIF 0x0008 /* Bus Off IRQ Flag */ -#define WUIF 0x0010 /* Wake-Up IRQ Flag */ -#define UIAIF 0x0020 /* Access To Unimplemented Address IRQ Flag */ -#define AAIF 0x0040 /* Abort Acknowledge IRQ Flag */ -#define RMLIF 0x0080 /* RX Message Lost IRQ Flag */ -#define UCEIF 0x0100 /* Universal Counter Overflow IRQ Flag */ -#define EXTIF 0x0200 /* External Trigger Output IRQ Flag */ -#define ADIF 0x0400 /* Access Denied IRQ Flag */ - -/* CAN_UCCNF Masks */ -#define UCCNF 0x000F /* Universal Counter Mode */ -#define UC_STAMP 0x0001 /* Timestamp Mode */ -#define UC_WDOG 0x0002 /* Watchdog Mode */ -#define UC_AUTOTX 0x0003 /* Auto-Transmit Mode */ -#define UC_ERROR 0x0006 /* CAN Error Frame Count */ -#define UC_OVER 0x0007 /* CAN Overload Frame Count */ -#define UC_LOST 0x0008 /* Arbitration Lost During TX Count */ -#define UC_AA 0x0009 /* TX Abort Count */ -#define UC_TA 0x000A /* TX Successful Count */ -#define UC_REJECT 0x000B /* RX Message Rejected Count */ -#define UC_RML 0x000C /* RX Message Lost Count */ -#define UC_RX 0x000D /* Total Successful RX Messages Count */ -#define UC_RMP 0x000E /* Successful RX W/Matching ID Count */ -#define UC_ALL 0x000F /* Correct Message On CAN Bus Line Count */ -#define UCRC 0x0020 /* Universal Counter Reload/Clear */ -#define UCCT 0x0040 /* Universal Counter CAN Trigger */ -#define UCE 0x0080 /* Universal Counter Enable */ - -/* CAN_ESR Masks */ -#define ACKE 0x0004 /* Acknowledge Error */ -#define SER 0x0008 /* Stuff Error */ -#define CRCE 0x0010 /* CRC Error */ -#define SA0 0x0020 /* Stuck At Dominant Error */ -#define BEF 0x0040 /* Bit Error Flag */ -#define FER 0x0080 /* Form Error Flag */ - -/* CAN_EWR Masks */ -#define EWLREC 0x00FF /* RX Error Count Limit (For EWRIS) */ -#define EWLTEC 0xFF00 /* TX Error Count Limit (For EWTIS) */ - /* ******************* PIN CONTROL REGISTER MASKS ************************/ /* PORT_MUX Masks */ #define PJSE 0x0001 /* Port J SPI/SPORT Enable */ diff --git a/arch/blackfin/mach-bf537/include/mach/irq.h b/arch/blackfin/mach-bf537/include/mach/irq.h index 789a4f226f7b..1a6d617c5fcf 100644 --- a/arch/blackfin/mach-bf537/include/mach/irq.h +++ b/arch/blackfin/mach-bf537/include/mach/irq.h @@ -74,7 +74,7 @@ #define IRQ_PPI_ERROR 42 /*PPI Error Interrupt */ #define IRQ_CAN_ERROR 43 /*CAN Error Interrupt */ -#define IRQ_MAC_ERROR 44 /*PPI Error Interrupt */ +#define IRQ_MAC_ERROR 44 /*MAC Status/Error Interrupt */ #define IRQ_SPORT0_ERROR 45 /*SPORT0 Error Interrupt */ #define IRQ_SPORT1_ERROR 46 /*SPORT1 Error Interrupt */ #define IRQ_SPI_ERROR 47 /*SPI Error Interrupt */ diff --git a/arch/blackfin/mach-bf538/include/mach/defBF539.h b/arch/blackfin/mach-bf538/include/mach/defBF539.h index fac563e6f62f..d7061d9f2a83 100644 --- a/arch/blackfin/mach-bf538/include/mach/defBF539.h +++ b/arch/blackfin/mach-bf538/include/mach/defBF539.h @@ -2418,625 +2418,4 @@ #define RCV_HALF 0x0004 /* Receive FIFO Has 1 Byte To Read */ #define RCV_FULL 0x000C /* Receive FIFO Full (2 Bytes To Read) */ - -/* ************ CONTROLLER AREA NETWORK (CAN) MASKS ***************/ -/* CAN_CONTROL Masks */ -#define SRS 0x0001 /* Software Reset */ -#define DNM 0x0002 /* Device Net Mode */ -#define ABO 0x0004 /* Auto-Bus On Enable */ -#define WBA 0x0010 /* Wake-Up On CAN Bus Activity Enable */ -#define SMR 0x0020 /* Sleep Mode Request */ -#define CSR 0x0040 /* CAN Suspend Mode Request */ -#define CCR 0x0080 /* CAN Configuration Mode Request */ - -/* CAN_STATUS Masks */ -#define WT 0x0001 /* TX Warning Flag */ -#define WR 0x0002 /* RX Warning Flag */ -#define EP 0x0004 /* Error Passive Mode */ -#define EBO 0x0008 /* Error Bus Off Mode */ -#define CSA 0x0040 /* Suspend Mode Acknowledge */ -#define CCA 0x0080 /* Configuration Mode Acknowledge */ -#define MBPTR 0x1F00 /* Mailbox Pointer */ -#define TRM 0x4000 /* Transmit Mode */ -#define REC 0x8000 /* Receive Mode */ - -/* CAN_CLOCK Masks */ -#define BRP 0x03FF /* Bit-Rate Pre-Scaler */ - -/* CAN_TIMING Masks */ -#define TSEG1 0x000F /* Time Segment 1 */ -#define TSEG2 0x0070 /* Time Segment 2 */ -#define SAM 0x0080 /* Sampling */ -#define SJW 0x0300 /* Synchronization Jump Width */ - -/* CAN_DEBUG Masks */ -#define DEC 0x0001 /* Disable CAN Error Counters */ -#define DRI 0x0002 /* Disable CAN RX Input */ -#define DTO 0x0004 /* Disable CAN TX Output */ -#define DIL 0x0008 /* Disable CAN Internal Loop */ -#define MAA 0x0010 /* Mode Auto-Acknowledge Enable */ -#define MRB 0x0020 /* Mode Read Back Enable */ -#define CDE 0x8000 /* CAN Debug Enable */ - -/* CAN_CEC Masks */ -#define RXECNT 0x00FF /* Receive Error Counter */ -#define TXECNT 0xFF00 /* Transmit Error Counter */ - -/* CAN_INTR Masks */ -#define MBRIRQ 0x0001 /* Mailbox Receive Interrupt */ -#define MBRIF MBRIRQ /* legacy */ -#define MBTIRQ 0x0002 /* Mailbox Transmit Interrupt */ -#define MBTIF MBTIRQ /* legacy */ -#define GIRQ 0x0004 /* Global Interrupt */ -#define SMACK 0x0008 /* Sleep Mode Acknowledge */ -#define CANTX 0x0040 /* CAN TX Bus Value */ -#define CANRX 0x0080 /* CAN RX Bus Value */ - -/* CAN_MBxx_ID1 and CAN_MBxx_ID0 Masks */ -#define DFC 0xFFFF /* Data Filtering Code (If Enabled) (ID0) */ -#define EXTID_LO 0xFFFF /* Lower 16 Bits of Extended Identifier (ID0) */ -#define EXTID_HI 0x0003 /* Upper 2 Bits of Extended Identifier (ID1) */ -#define BASEID 0x1FFC /* Base Identifier */ -#define IDE 0x2000 /* Identifier Extension */ -#define RTR 0x4000 /* Remote Frame Transmission Request */ -#define AME 0x8000 /* Acceptance Mask Enable */ - -/* CAN_MBxx_TIMESTAMP Masks */ -#define TSV 0xFFFF /* Timestamp */ - -/* CAN_MBxx_LENGTH Masks */ -#define DLC 0x000F /* Data Length Code */ - -/* CAN_AMxxH and CAN_AMxxL Masks */ -#define DFM 0xFFFF /* Data Field Mask (If Enabled) (CAN_AMxxL) */ -#define EXTID_LO 0xFFFF /* Lower 16 Bits of Extended Identifier (CAN_AMxxL) */ -#define EXTID_HI 0x0003 /* Upper 2 Bits of Extended Identifier (CAN_AMxxH) */ -#define BASEID 0x1FFC /* Base Identifier */ -#define AMIDE 0x2000 /* Acceptance Mask ID Extension Enable */ -#define FMD 0x4000 /* Full Mask Data Field Enable */ -#define FDF 0x8000 /* Filter On Data Field Enable */ - -/* CAN_MC1 Masks */ -#define MC0 0x0001 /* Enable Mailbox 0 */ -#define MC1 0x0002 /* Enable Mailbox 1 */ -#define MC2 0x0004 /* Enable Mailbox 2 */ -#define MC3 0x0008 /* Enable Mailbox 3 */ -#define MC4 0x0010 /* Enable Mailbox 4 */ -#define MC5 0x0020 /* Enable Mailbox 5 */ -#define MC6 0x0040 /* Enable Mailbox 6 */ -#define MC7 0x0080 /* Enable Mailbox 7 */ -#define MC8 0x0100 /* Enable Mailbox 8 */ -#define MC9 0x0200 /* Enable Mailbox 9 */ -#define MC10 0x0400 /* Enable Mailbox 10 */ -#define MC11 0x0800 /* Enable Mailbox 11 */ -#define MC12 0x1000 /* Enable Mailbox 12 */ -#define MC13 0x2000 /* Enable Mailbox 13 */ -#define MC14 0x4000 /* Enable Mailbox 14 */ -#define MC15 0x8000 /* Enable Mailbox 15 */ - -/* CAN_MC2 Masks */ -#define MC16 0x0001 /* Enable Mailbox 16 */ -#define MC17 0x0002 /* Enable Mailbox 17 */ -#define MC18 0x0004 /* Enable Mailbox 18 */ -#define MC19 0x0008 /* Enable Mailbox 19 */ -#define MC20 0x0010 /* Enable Mailbox 20 */ -#define MC21 0x0020 /* Enable Mailbox 21 */ -#define MC22 0x0040 /* Enable Mailbox 22 */ -#define MC23 0x0080 /* Enable Mailbox 23 */ -#define MC24 0x0100 /* Enable Mailbox 24 */ -#define MC25 0x0200 /* Enable Mailbox 25 */ -#define MC26 0x0400 /* Enable Mailbox 26 */ -#define MC27 0x0800 /* Enable Mailbox 27 */ -#define MC28 0x1000 /* Enable Mailbox 28 */ -#define MC29 0x2000 /* Enable Mailbox 29 */ -#define MC30 0x4000 /* Enable Mailbox 30 */ -#define MC31 0x8000 /* Enable Mailbox 31 */ - -/* CAN_MD1 Masks */ -#define MD0 0x0001 /* Enable Mailbox 0 For Receive */ -#define MD1 0x0002 /* Enable Mailbox 1 For Receive */ -#define MD2 0x0004 /* Enable Mailbox 2 For Receive */ -#define MD3 0x0008 /* Enable Mailbox 3 For Receive */ -#define MD4 0x0010 /* Enable Mailbox 4 For Receive */ -#define MD5 0x0020 /* Enable Mailbox 5 For Receive */ -#define MD6 0x0040 /* Enable Mailbox 6 For Receive */ -#define MD7 0x0080 /* Enable Mailbox 7 For Receive */ -#define MD8 0x0100 /* Enable Mailbox 8 For Receive */ -#define MD9 0x0200 /* Enable Mailbox 9 For Receive */ -#define MD10 0x0400 /* Enable Mailbox 10 For Receive */ -#define MD11 0x0800 /* Enable Mailbox 11 For Receive */ -#define MD12 0x1000 /* Enable Mailbox 12 For Receive */ -#define MD13 0x2000 /* Enable Mailbox 13 For Receive */ -#define MD14 0x4000 /* Enable Mailbox 14 For Receive */ -#define MD15 0x8000 /* Enable Mailbox 15 For Receive */ - -/* CAN_MD2 Masks */ -#define MD16 0x0001 /* Enable Mailbox 16 For Receive */ -#define MD17 0x0002 /* Enable Mailbox 17 For Receive */ -#define MD18 0x0004 /* Enable Mailbox 18 For Receive */ -#define MD19 0x0008 /* Enable Mailbox 19 For Receive */ -#define MD20 0x0010 /* Enable Mailbox 20 For Receive */ -#define MD21 0x0020 /* Enable Mailbox 21 For Receive */ -#define MD22 0x0040 /* Enable Mailbox 22 For Receive */ -#define MD23 0x0080 /* Enable Mailbox 23 For Receive */ -#define MD24 0x0100 /* Enable Mailbox 24 For Receive */ -#define MD25 0x0200 /* Enable Mailbox 25 For Receive */ -#define MD26 0x0400 /* Enable Mailbox 26 For Receive */ -#define MD27 0x0800 /* Enable Mailbox 27 For Receive */ -#define MD28 0x1000 /* Enable Mailbox 28 For Receive */ -#define MD29 0x2000 /* Enable Mailbox 29 For Receive */ -#define MD30 0x4000 /* Enable Mailbox 30 For Receive */ -#define MD31 0x8000 /* Enable Mailbox 31 For Receive */ - -/* CAN_RMP1 Masks */ -#define RMP0 0x0001 /* RX Message Pending In Mailbox 0 */ -#define RMP1 0x0002 /* RX Message Pending In Mailbox 1 */ -#define RMP2 0x0004 /* RX Message Pending In Mailbox 2 */ -#define RMP3 0x0008 /* RX Message Pending In Mailbox 3 */ -#define RMP4 0x0010 /* RX Message Pending In Mailbox 4 */ -#define RMP5 0x0020 /* RX Message Pending In Mailbox 5 */ -#define RMP6 0x0040 /* RX Message Pending In Mailbox 6 */ -#define RMP7 0x0080 /* RX Message Pending In Mailbox 7 */ -#define RMP8 0x0100 /* RX Message Pending In Mailbox 8 */ -#define RMP9 0x0200 /* RX Message Pending In Mailbox 9 */ -#define RMP10 0x0400 /* RX Message Pending In Mailbox 10 */ -#define RMP11 0x0800 /* RX Message Pending In Mailbox 11 */ -#define RMP12 0x1000 /* RX Message Pending In Mailbox 12 */ -#define RMP13 0x2000 /* RX Message Pending In Mailbox 13 */ -#define RMP14 0x4000 /* RX Message Pending In Mailbox 14 */ -#define RMP15 0x8000 /* RX Message Pending In Mailbox 15 */ - -/* CAN_RMP2 Masks */ -#define RMP16 0x0001 /* RX Message Pending In Mailbox 16 */ -#define RMP17 0x0002 /* RX Message Pending In Mailbox 17 */ -#define RMP18 0x0004 /* RX Message Pending In Mailbox 18 */ -#define RMP19 0x0008 /* RX Message Pending In Mailbox 19 */ -#define RMP20 0x0010 /* RX Message Pending In Mailbox 20 */ -#define RMP21 0x0020 /* RX Message Pending In Mailbox 21 */ -#define RMP22 0x0040 /* RX Message Pending In Mailbox 22 */ -#define RMP23 0x0080 /* RX Message Pending In Mailbox 23 */ -#define RMP24 0x0100 /* RX Message Pending In Mailbox 24 */ -#define RMP25 0x0200 /* RX Message Pending In Mailbox 25 */ -#define RMP26 0x0400 /* RX Message Pending In Mailbox 26 */ -#define RMP27 0x0800 /* RX Message Pending In Mailbox 27 */ -#define RMP28 0x1000 /* RX Message Pending In Mailbox 28 */ -#define RMP29 0x2000 /* RX Message Pending In Mailbox 29 */ -#define RMP30 0x4000 /* RX Message Pending In Mailbox 30 */ -#define RMP31 0x8000 /* RX Message Pending In Mailbox 31 */ - -/* CAN_RML1 Masks */ -#define RML0 0x0001 /* RX Message Lost In Mailbox 0 */ -#define RML1 0x0002 /* RX Message Lost In Mailbox 1 */ -#define RML2 0x0004 /* RX Message Lost In Mailbox 2 */ -#define RML3 0x0008 /* RX Message Lost In Mailbox 3 */ -#define RML4 0x0010 /* RX Message Lost In Mailbox 4 */ -#define RML5 0x0020 /* RX Message Lost In Mailbox 5 */ -#define RML6 0x0040 /* RX Message Lost In Mailbox 6 */ -#define RML7 0x0080 /* RX Message Lost In Mailbox 7 */ -#define RML8 0x0100 /* RX Message Lost In Mailbox 8 */ -#define RML9 0x0200 /* RX Message Lost In Mailbox 9 */ -#define RML10 0x0400 /* RX Message Lost In Mailbox 10 */ -#define RML11 0x0800 /* RX Message Lost In Mailbox 11 */ -#define RML12 0x1000 /* RX Message Lost In Mailbox 12 */ -#define RML13 0x2000 /* RX Message Lost In Mailbox 13 */ -#define RML14 0x4000 /* RX Message Lost In Mailbox 14 */ -#define RML15 0x8000 /* RX Message Lost In Mailbox 15 */ - -/* CAN_RML2 Masks */ -#define RML16 0x0001 /* RX Message Lost In Mailbox 16 */ -#define RML17 0x0002 /* RX Message Lost In Mailbox 17 */ -#define RML18 0x0004 /* RX Message Lost In Mailbox 18 */ -#define RML19 0x0008 /* RX Message Lost In Mailbox 19 */ -#define RML20 0x0010 /* RX Message Lost In Mailbox 20 */ -#define RML21 0x0020 /* RX Message Lost In Mailbox 21 */ -#define RML22 0x0040 /* RX Message Lost In Mailbox 22 */ -#define RML23 0x0080 /* RX Message Lost In Mailbox 23 */ -#define RML24 0x0100 /* RX Message Lost In Mailbox 24 */ -#define RML25 0x0200 /* RX Message Lost In Mailbox 25 */ -#define RML26 0x0400 /* RX Message Lost In Mailbox 26 */ -#define RML27 0x0800 /* RX Message Lost In Mailbox 27 */ -#define RML28 0x1000 /* RX Message Lost In Mailbox 28 */ -#define RML29 0x2000 /* RX Message Lost In Mailbox 29 */ -#define RML30 0x4000 /* RX Message Lost In Mailbox 30 */ -#define RML31 0x8000 /* RX Message Lost In Mailbox 31 */ - -/* CAN_OPSS1 Masks */ -#define OPSS0 0x0001 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 0 */ -#define OPSS1 0x0002 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 1 */ -#define OPSS2 0x0004 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 2 */ -#define OPSS3 0x0008 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 3 */ -#define OPSS4 0x0010 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 4 */ -#define OPSS5 0x0020 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 5 */ -#define OPSS6 0x0040 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 6 */ -#define OPSS7 0x0080 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 7 */ -#define OPSS8 0x0100 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 8 */ -#define OPSS9 0x0200 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 9 */ -#define OPSS10 0x0400 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 10 */ -#define OPSS11 0x0800 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 11 */ -#define OPSS12 0x1000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 12 */ -#define OPSS13 0x2000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 13 */ -#define OPSS14 0x4000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 14 */ -#define OPSS15 0x8000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 15 */ - -/* CAN_OPSS2 Masks */ -#define OPSS16 0x0001 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 16 */ -#define OPSS17 0x0002 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 17 */ -#define OPSS18 0x0004 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 18 */ -#define OPSS19 0x0008 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 19 */ -#define OPSS20 0x0010 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 20 */ -#define OPSS21 0x0020 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 21 */ -#define OPSS22 0x0040 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 22 */ -#define OPSS23 0x0080 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 23 */ -#define OPSS24 0x0100 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 24 */ -#define OPSS25 0x0200 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 25 */ -#define OPSS26 0x0400 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 26 */ -#define OPSS27 0x0800 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 27 */ -#define OPSS28 0x1000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 28 */ -#define OPSS29 0x2000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 29 */ -#define OPSS30 0x4000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 30 */ -#define OPSS31 0x8000 /* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 31 */ - -/* CAN_TRR1 Masks */ -#define TRR0 0x0001 /* Deny But Don't Lock Access To Mailbox 0 */ -#define TRR1 0x0002 /* Deny But Don't Lock Access To Mailbox 1 */ -#define TRR2 0x0004 /* Deny But Don't Lock Access To Mailbox 2 */ -#define TRR3 0x0008 /* Deny But Don't Lock Access To Mailbox 3 */ -#define TRR4 0x0010 /* Deny But Don't Lock Access To Mailbox 4 */ -#define TRR5 0x0020 /* Deny But Don't Lock Access To Mailbox 5 */ -#define TRR6 0x0040 /* Deny But Don't Lock Access To Mailbox 6 */ -#define TRR7 0x0080 /* Deny But Don't Lock Access To Mailbox 7 */ -#define TRR8 0x0100 /* Deny But Don't Lock Access To Mailbox 8 */ -#define TRR9 0x0200 /* Deny But Don't Lock Access To Mailbox 9 */ -#define TRR10 0x0400 /* Deny But Don't Lock Access To Mailbox 10 */ -#define TRR11 0x0800 /* Deny But Don't Lock Access To Mailbox 11 */ -#define TRR12 0x1000 /* Deny But Don't Lock Access To Mailbox 12 */ -#define TRR13 0x2000 /* Deny But Don't Lock Access To Mailbox 13 */ -#define TRR14 0x4000 /* Deny But Don't Lock Access To Mailbox 14 */ -#define TRR15 0x8000 /* Deny But Don't Lock Access To Mailbox 15 */ - -/* CAN_TRR2 Masks */ -#define TRR16 0x0001 /* Deny But Don't Lock Access To Mailbox 16 */ -#define TRR17 0x0002 /* Deny But Don't Lock Access To Mailbox 17 */ -#define TRR18 0x0004 /* Deny But Don't Lock Access To Mailbox 18 */ -#define TRR19 0x0008 /* Deny But Don't Lock Access To Mailbox 19 */ -#define TRR20 0x0010 /* Deny But Don't Lock Access To Mailbox 20 */ -#define TRR21 0x0020 /* Deny But Don't Lock Access To Mailbox 21 */ -#define TRR22 0x0040 /* Deny But Don't Lock Access To Mailbox 22 */ -#define TRR23 0x0080 /* Deny But Don't Lock Access To Mailbox 23 */ -#define TRR24 0x0100 /* Deny But Don't Lock Access To Mailbox 24 */ -#define TRR25 0x0200 /* Deny But Don't Lock Access To Mailbox 25 */ -#define TRR26 0x0400 /* Deny But Don't Lock Access To Mailbox 26 */ -#define TRR27 0x0800 /* Deny But Don't Lock Access To Mailbox 27 */ -#define TRR28 0x1000 /* Deny But Don't Lock Access To Mailbox 28 */ -#define TRR29 0x2000 /* Deny But Don't Lock Access To Mailbox 29 */ -#define TRR30 0x4000 /* Deny But Don't Lock Access To Mailbox 30 */ -#define TRR31 0x8000 /* Deny But Don't Lock Access To Mailbox 31 */ - -/* CAN_TRS1 Masks */ -#define TRS0 0x0001 /* Remote Frame Request For Mailbox 0 */ -#define TRS1 0x0002 /* Remote Frame Request For Mailbox 1 */ -#define TRS2 0x0004 /* Remote Frame Request For Mailbox 2 */ -#define TRS3 0x0008 /* Remote Frame Request For Mailbox 3 */ -#define TRS4 0x0010 /* Remote Frame Request For Mailbox 4 */ -#define TRS5 0x0020 /* Remote Frame Request For Mailbox 5 */ -#define TRS6 0x0040 /* Remote Frame Request For Mailbox 6 */ -#define TRS7 0x0080 /* Remote Frame Request For Mailbox 7 */ -#define TRS8 0x0100 /* Remote Frame Request For Mailbox 8 */ -#define TRS9 0x0200 /* Remote Frame Request For Mailbox 9 */ -#define TRS10 0x0400 /* Remote Frame Request For Mailbox 10 */ -#define TRS11 0x0800 /* Remote Frame Request For Mailbox 11 */ -#define TRS12 0x1000 /* Remote Frame Request For Mailbox 12 */ -#define TRS13 0x2000 /* Remote Frame Request For Mailbox 13 */ -#define TRS14 0x4000 /* Remote Frame Request For Mailbox 14 */ -#define TRS15 0x8000 /* Remote Frame Request For Mailbox 15 */ - -/* CAN_TRS2 Masks */ -#define TRS16 0x0001 /* Remote Frame Request For Mailbox 16 */ -#define TRS17 0x0002 /* Remote Frame Request For Mailbox 17 */ -#define TRS18 0x0004 /* Remote Frame Request For Mailbox 18 */ -#define TRS19 0x0008 /* Remote Frame Request For Mailbox 19 */ -#define TRS20 0x0010 /* Remote Frame Request For Mailbox 20 */ -#define TRS21 0x0020 /* Remote Frame Request For Mailbox 21 */ -#define TRS22 0x0040 /* Remote Frame Request For Mailbox 22 */ -#define TRS23 0x0080 /* Remote Frame Request For Mailbox 23 */ -#define TRS24 0x0100 /* Remote Frame Request For Mailbox 24 */ -#define TRS25 0x0200 /* Remote Frame Request For Mailbox 25 */ -#define TRS26 0x0400 /* Remote Frame Request For Mailbox 26 */ -#define TRS27 0x0800 /* Remote Frame Request For Mailbox 27 */ -#define TRS28 0x1000 /* Remote Frame Request For Mailbox 28 */ -#define TRS29 0x2000 /* Remote Frame Request For Mailbox 29 */ -#define TRS30 0x4000 /* Remote Frame Request For Mailbox 30 */ -#define TRS31 0x8000 /* Remote Frame Request For Mailbox 31 */ - -/* CAN_AA1 Masks */ -#define AA0 0x0001 /* Aborted Message In Mailbox 0 */ -#define AA1 0x0002 /* Aborted Message In Mailbox 1 */ -#define AA2 0x0004 /* Aborted Message In Mailbox 2 */ -#define AA3 0x0008 /* Aborted Message In Mailbox 3 */ -#define AA4 0x0010 /* Aborted Message In Mailbox 4 */ -#define AA5 0x0020 /* Aborted Message In Mailbox 5 */ -#define AA6 0x0040 /* Aborted Message In Mailbox 6 */ -#define AA7 0x0080 /* Aborted Message In Mailbox 7 */ -#define AA8 0x0100 /* Aborted Message In Mailbox 8 */ -#define AA9 0x0200 /* Aborted Message In Mailbox 9 */ -#define AA10 0x0400 /* Aborted Message In Mailbox 10 */ -#define AA11 0x0800 /* Aborted Message In Mailbox 11 */ -#define AA12 0x1000 /* Aborted Message In Mailbox 12 */ -#define AA13 0x2000 /* Aborted Message In Mailbox 13 */ -#define AA14 0x4000 /* Aborted Message In Mailbox 14 */ -#define AA15 0x8000 /* Aborted Message In Mailbox 15 */ - -/* CAN_AA2 Masks */ -#define AA16 0x0001 /* Aborted Message In Mailbox 16 */ -#define AA17 0x0002 /* Aborted Message In Mailbox 17 */ -#define AA18 0x0004 /* Aborted Message In Mailbox 18 */ -#define AA19 0x0008 /* Aborted Message In Mailbox 19 */ -#define AA20 0x0010 /* Aborted Message In Mailbox 20 */ -#define AA21 0x0020 /* Aborted Message In Mailbox 21 */ -#define AA22 0x0040 /* Aborted Message In Mailbox 22 */ -#define AA23 0x0080 /* Aborted Message In Mailbox 23 */ -#define AA24 0x0100 /* Aborted Message In Mailbox 24 */ -#define AA25 0x0200 /* Aborted Message In Mailbox 25 */ -#define AA26 0x0400 /* Aborted Message In Mailbox 26 */ -#define AA27 0x0800 /* Aborted Message In Mailbox 27 */ -#define AA28 0x1000 /* Aborted Message In Mailbox 28 */ -#define AA29 0x2000 /* Aborted Message In Mailbox 29 */ -#define AA30 0x4000 /* Aborted Message In Mailbox 30 */ -#define AA31 0x8000 /* Aborted Message In Mailbox 31 */ - -/* CAN_TA1 Masks */ -#define TA0 0x0001 /* Transmit Successful From Mailbox 0 */ -#define TA1 0x0002 /* Transmit Successful From Mailbox 1 */ -#define TA2 0x0004 /* Transmit Successful From Mailbox 2 */ -#define TA3 0x0008 /* Transmit Successful From Mailbox 3 */ -#define TA4 0x0010 /* Transmit Successful From Mailbox 4 */ -#define TA5 0x0020 /* Transmit Successful From Mailbox 5 */ -#define TA6 0x0040 /* Transmit Successful From Mailbox 6 */ -#define TA7 0x0080 /* Transmit Successful From Mailbox 7 */ -#define TA8 0x0100 /* Transmit Successful From Mailbox 8 */ -#define TA9 0x0200 /* Transmit Successful From Mailbox 9 */ -#define TA10 0x0400 /* Transmit Successful From Mailbox 10 */ -#define TA11 0x0800 /* Transmit Successful From Mailbox 11 */ -#define TA12 0x1000 /* Transmit Successful From Mailbox 12 */ -#define TA13 0x2000 /* Transmit Successful From Mailbox 13 */ -#define TA14 0x4000 /* Transmit Successful From Mailbox 14 */ -#define TA15 0x8000 /* Transmit Successful From Mailbox 15 */ - -/* CAN_TA2 Masks */ -#define TA16 0x0001 /* Transmit Successful From Mailbox 16 */ -#define TA17 0x0002 /* Transmit Successful From Mailbox 17 */ -#define TA18 0x0004 /* Transmit Successful From Mailbox 18 */ -#define TA19 0x0008 /* Transmit Successful From Mailbox 19 */ -#define TA20 0x0010 /* Transmit Successful From Mailbox 20 */ -#define TA21 0x0020 /* Transmit Successful From Mailbox 21 */ -#define TA22 0x0040 /* Transmit Successful From Mailbox 22 */ -#define TA23 0x0080 /* Transmit Successful From Mailbox 23 */ -#define TA24 0x0100 /* Transmit Successful From Mailbox 24 */ -#define TA25 0x0200 /* Transmit Successful From Mailbox 25 */ -#define TA26 0x0400 /* Transmit Successful From Mailbox 26 */ -#define TA27 0x0800 /* Transmit Successful From Mailbox 27 */ -#define TA28 0x1000 /* Transmit Successful From Mailbox 28 */ -#define TA29 0x2000 /* Transmit Successful From Mailbox 29 */ -#define TA30 0x4000 /* Transmit Successful From Mailbox 30 */ -#define TA31 0x8000 /* Transmit Successful From Mailbox 31 */ - -/* CAN_MBTD Masks */ -#define TDPTR 0x001F /* Mailbox To Temporarily Disable */ -#define TDA 0x0040 /* Temporary Disable Acknowledge */ -#define TDR 0x0080 /* Temporary Disable Request */ - -/* CAN_RFH1 Masks */ -#define RFH0 0x0001 /* Enable Automatic Remote Frame Handling For Mailbox 0 */ -#define RFH1 0x0002 /* Enable Automatic Remote Frame Handling For Mailbox 1 */ -#define RFH2 0x0004 /* Enable Automatic Remote Frame Handling For Mailbox 2 */ -#define RFH3 0x0008 /* Enable Automatic Remote Frame Handling For Mailbox 3 */ -#define RFH4 0x0010 /* Enable Automatic Remote Frame Handling For Mailbox 4 */ -#define RFH5 0x0020 /* Enable Automatic Remote Frame Handling For Mailbox 5 */ -#define RFH6 0x0040 /* Enable Automatic Remote Frame Handling For Mailbox 6 */ -#define RFH7 0x0080 /* Enable Automatic Remote Frame Handling For Mailbox 7 */ -#define RFH8 0x0100 /* Enable Automatic Remote Frame Handling For Mailbox 8 */ -#define RFH9 0x0200 /* Enable Automatic Remote Frame Handling For Mailbox 9 */ -#define RFH10 0x0400 /* Enable Automatic Remote Frame Handling For Mailbox 10 */ -#define RFH11 0x0800 /* Enable Automatic Remote Frame Handling For Mailbox 11 */ -#define RFH12 0x1000 /* Enable Automatic Remote Frame Handling For Mailbox 12 */ -#define RFH13 0x2000 /* Enable Automatic Remote Frame Handling For Mailbox 13 */ -#define RFH14 0x4000 /* Enable Automatic Remote Frame Handling For Mailbox 14 */ -#define RFH15 0x8000 /* Enable Automatic Remote Frame Handling For Mailbox 15 */ - -/* CAN_RFH2 Masks */ -#define RFH16 0x0001 /* Enable Automatic Remote Frame Handling For Mailbox 16 */ -#define RFH17 0x0002 /* Enable Automatic Remote Frame Handling For Mailbox 17 */ -#define RFH18 0x0004 /* Enable Automatic Remote Frame Handling For Mailbox 18 */ -#define RFH19 0x0008 /* Enable Automatic Remote Frame Handling For Mailbox 19 */ -#define RFH20 0x0010 /* Enable Automatic Remote Frame Handling For Mailbox 20 */ -#define RFH21 0x0020 /* Enable Automatic Remote Frame Handling For Mailbox 21 */ -#define RFH22 0x0040 /* Enable Automatic Remote Frame Handling For Mailbox 22 */ -#define RFH23 0x0080 /* Enable Automatic Remote Frame Handling For Mailbox 23 */ -#define RFH24 0x0100 /* Enable Automatic Remote Frame Handling For Mailbox 24 */ -#define RFH25 0x0200 /* Enable Automatic Remote Frame Handling For Mailbox 25 */ -#define RFH26 0x0400 /* Enable Automatic Remote Frame Handling For Mailbox 26 */ -#define RFH27 0x0800 /* Enable Automatic Remote Frame Handling For Mailbox 27 */ -#define RFH28 0x1000 /* Enable Automatic Remote Frame Handling For Mailbox 28 */ -#define RFH29 0x2000 /* Enable Automatic Remote Frame Handling For Mailbox 29 */ -#define RFH30 0x4000 /* Enable Automatic Remote Frame Handling For Mailbox 30 */ -#define RFH31 0x8000 /* Enable Automatic Remote Frame Handling For Mailbox 31 */ - -/* CAN_MBTIF1 Masks */ -#define MBTIF0 0x0001 /* TX Interrupt Active In Mailbox 0 */ -#define MBTIF1 0x0002 /* TX Interrupt Active In Mailbox 1 */ -#define MBTIF2 0x0004 /* TX Interrupt Active In Mailbox 2 */ -#define MBTIF3 0x0008 /* TX Interrupt Active In Mailbox 3 */ -#define MBTIF4 0x0010 /* TX Interrupt Active In Mailbox 4 */ -#define MBTIF5 0x0020 /* TX Interrupt Active In Mailbox 5 */ -#define MBTIF6 0x0040 /* TX Interrupt Active In Mailbox 6 */ -#define MBTIF7 0x0080 /* TX Interrupt Active In Mailbox 7 */ -#define MBTIF8 0x0100 /* TX Interrupt Active In Mailbox 8 */ -#define MBTIF9 0x0200 /* TX Interrupt Active In Mailbox 9 */ -#define MBTIF10 0x0400 /* TX Interrupt Active In Mailbox 10 */ -#define MBTIF11 0x0800 /* TX Interrupt Active In Mailbox 11 */ -#define MBTIF12 0x1000 /* TX Interrupt Active In Mailbox 12 */ -#define MBTIF13 0x2000 /* TX Interrupt Active In Mailbox 13 */ -#define MBTIF14 0x4000 /* TX Interrupt Active In Mailbox 14 */ -#define MBTIF15 0x8000 /* TX Interrupt Active In Mailbox 15 */ - -/* CAN_MBTIF2 Masks */ -#define MBTIF16 0x0001 /* TX Interrupt Active In Mailbox 16 */ -#define MBTIF17 0x0002 /* TX Interrupt Active In Mailbox 17 */ -#define MBTIF18 0x0004 /* TX Interrupt Active In Mailbox 18 */ -#define MBTIF19 0x0008 /* TX Interrupt Active In Mailbox 19 */ -#define MBTIF20 0x0010 /* TX Interrupt Active In Mailbox 20 */ -#define MBTIF21 0x0020 /* TX Interrupt Active In Mailbox 21 */ -#define MBTIF22 0x0040 /* TX Interrupt Active In Mailbox 22 */ -#define MBTIF23 0x0080 /* TX Interrupt Active In Mailbox 23 */ -#define MBTIF24 0x0100 /* TX Interrupt Active In Mailbox 24 */ -#define MBTIF25 0x0200 /* TX Interrupt Active In Mailbox 25 */ -#define MBTIF26 0x0400 /* TX Interrupt Active In Mailbox 26 */ -#define MBTIF27 0x0800 /* TX Interrupt Active In Mailbox 27 */ -#define MBTIF28 0x1000 /* TX Interrupt Active In Mailbox 28 */ -#define MBTIF29 0x2000 /* TX Interrupt Active In Mailbox 29 */ -#define MBTIF30 0x4000 /* TX Interrupt Active In Mailbox 30 */ -#define MBTIF31 0x8000 /* TX Interrupt Active In Mailbox 31 */ - -/* CAN_MBRIF1 Masks */ -#define MBRIF0 0x0001 /* RX Interrupt Active In Mailbox 0 */ -#define MBRIF1 0x0002 /* RX Interrupt Active In Mailbox 1 */ -#define MBRIF2 0x0004 /* RX Interrupt Active In Mailbox 2 */ -#define MBRIF3 0x0008 /* RX Interrupt Active In Mailbox 3 */ -#define MBRIF4 0x0010 /* RX Interrupt Active In Mailbox 4 */ -#define MBRIF5 0x0020 /* RX Interrupt Active In Mailbox 5 */ -#define MBRIF6 0x0040 /* RX Interrupt Active In Mailbox 6 */ -#define MBRIF7 0x0080 /* RX Interrupt Active In Mailbox 7 */ -#define MBRIF8 0x0100 /* RX Interrupt Active In Mailbox 8 */ -#define MBRIF9 0x0200 /* RX Interrupt Active In Mailbox 9 */ -#define MBRIF10 0x0400 /* RX Interrupt Active In Mailbox 10 */ -#define MBRIF11 0x0800 /* RX Interrupt Active In Mailbox 11 */ -#define MBRIF12 0x1000 /* RX Interrupt Active In Mailbox 12 */ -#define MBRIF13 0x2000 /* RX Interrupt Active In Mailbox 13 */ -#define MBRIF14 0x4000 /* RX Interrupt Active In Mailbox 14 */ -#define MBRIF15 0x8000 /* RX Interrupt Active In Mailbox 15 */ - -/* CAN_MBRIF2 Masks */ -#define MBRIF16 0x0001 /* RX Interrupt Active In Mailbox 16 */ -#define MBRIF17 0x0002 /* RX Interrupt Active In Mailbox 17 */ -#define MBRIF18 0x0004 /* RX Interrupt Active In Mailbox 18 */ -#define MBRIF19 0x0008 /* RX Interrupt Active In Mailbox 19 */ -#define MBRIF20 0x0010 /* RX Interrupt Active In Mailbox 20 */ -#define MBRIF21 0x0020 /* RX Interrupt Active In Mailbox 21 */ -#define MBRIF22 0x0040 /* RX Interrupt Active In Mailbox 22 */ -#define MBRIF23 0x0080 /* RX Interrupt Active In Mailbox 23 */ -#define MBRIF24 0x0100 /* RX Interrupt Active In Mailbox 24 */ -#define MBRIF25 0x0200 /* RX Interrupt Active In Mailbox 25 */ -#define MBRIF26 0x0400 /* RX Interrupt Active In Mailbox 26 */ -#define MBRIF27 0x0800 /* RX Interrupt Active In Mailbox 27 */ -#define MBRIF28 0x1000 /* RX Interrupt Active In Mailbox 28 */ -#define MBRIF29 0x2000 /* RX Interrupt Active In Mailbox 29 */ -#define MBRIF30 0x4000 /* RX Interrupt Active In Mailbox 30 */ -#define MBRIF31 0x8000 /* RX Interrupt Active In Mailbox 31 */ - -/* CAN_MBIM1 Masks */ -#define MBIM0 0x0001 /* Enable Interrupt For Mailbox 0 */ -#define MBIM1 0x0002 /* Enable Interrupt For Mailbox 1 */ -#define MBIM2 0x0004 /* Enable Interrupt For Mailbox 2 */ -#define MBIM3 0x0008 /* Enable Interrupt For Mailbox 3 */ -#define MBIM4 0x0010 /* Enable Interrupt For Mailbox 4 */ -#define MBIM5 0x0020 /* Enable Interrupt For Mailbox 5 */ -#define MBIM6 0x0040 /* Enable Interrupt For Mailbox 6 */ -#define MBIM7 0x0080 /* Enable Interrupt For Mailbox 7 */ -#define MBIM8 0x0100 /* Enable Interrupt For Mailbox 8 */ -#define MBIM9 0x0200 /* Enable Interrupt For Mailbox 9 */ -#define MBIM10 0x0400 /* Enable Interrupt For Mailbox 10 */ -#define MBIM11 0x0800 /* Enable Interrupt For Mailbox 11 */ -#define MBIM12 0x1000 /* Enable Interrupt For Mailbox 12 */ -#define MBIM13 0x2000 /* Enable Interrupt For Mailbox 13 */ -#define MBIM14 0x4000 /* Enable Interrupt For Mailbox 14 */ -#define MBIM15 0x8000 /* Enable Interrupt For Mailbox 15 */ - -/* CAN_MBIM2 Masks */ -#define MBIM16 0x0001 /* Enable Interrupt For Mailbox 16 */ -#define MBIM17 0x0002 /* Enable Interrupt For Mailbox 17 */ -#define MBIM18 0x0004 /* Enable Interrupt For Mailbox 18 */ -#define MBIM19 0x0008 /* Enable Interrupt For Mailbox 19 */ -#define MBIM20 0x0010 /* Enable Interrupt For Mailbox 20 */ -#define MBIM21 0x0020 /* Enable Interrupt For Mailbox 21 */ -#define MBIM22 0x0040 /* Enable Interrupt For Mailbox 22 */ -#define MBIM23 0x0080 /* Enable Interrupt For Mailbox 23 */ -#define MBIM24 0x0100 /* Enable Interrupt For Mailbox 24 */ -#define MBIM25 0x0200 /* Enable Interrupt For Mailbox 25 */ -#define MBIM26 0x0400 /* Enable Interrupt For Mailbox 26 */ -#define MBIM27 0x0800 /* Enable Interrupt For Mailbox 27 */ -#define MBIM28 0x1000 /* Enable Interrupt For Mailbox 28 */ -#define MBIM29 0x2000 /* Enable Interrupt For Mailbox 29 */ -#define MBIM30 0x4000 /* Enable Interrupt For Mailbox 30 */ -#define MBIM31 0x8000 /* Enable Interrupt For Mailbox 31 */ - -/* CAN_GIM Masks */ -#define EWTIM 0x0001 /* Enable TX Error Count Interrupt */ -#define EWRIM 0x0002 /* Enable RX Error Count Interrupt */ -#define EPIM 0x0004 /* Enable Error-Passive Mode Interrupt */ -#define BOIM 0x0008 /* Enable Bus Off Interrupt */ -#define WUIM 0x0010 /* Enable Wake-Up Interrupt */ -#define UIAIM 0x0020 /* Enable Access To Unimplemented Address Interrupt */ -#define AAIM 0x0040 /* Enable Abort Acknowledge Interrupt */ -#define RMLIM 0x0080 /* Enable RX Message Lost Interrupt */ -#define UCEIM 0x0100 /* Enable Universal Counter Overflow Interrupt */ -#define EXTIM 0x0200 /* Enable External Trigger Output Interrupt */ -#define ADIM 0x0400 /* Enable Access Denied Interrupt */ - -/* CAN_GIS Masks */ -#define EWTIS 0x0001 /* TX Error Count IRQ Status */ -#define EWRIS 0x0002 /* RX Error Count IRQ Status */ -#define EPIS 0x0004 /* Error-Passive Mode IRQ Status */ -#define BOIS 0x0008 /* Bus Off IRQ Status */ -#define WUIS 0x0010 /* Wake-Up IRQ Status */ -#define UIAIS 0x0020 /* Access To Unimplemented Address IRQ Status */ -#define AAIS 0x0040 /* Abort Acknowledge IRQ Status */ -#define RMLIS 0x0080 /* RX Message Lost IRQ Status */ -#define UCEIS 0x0100 /* Universal Counter Overflow IRQ Status */ -#define EXTIS 0x0200 /* External Trigger Output IRQ Status */ -#define ADIS 0x0400 /* Access Denied IRQ Status */ - -/* CAN_GIF Masks */ -#define EWTIF 0x0001 /* TX Error Count IRQ Flag */ -#define EWRIF 0x0002 /* RX Error Count IRQ Flag */ -#define EPIF 0x0004 /* Error-Passive Mode IRQ Flag */ -#define BOIF 0x0008 /* Bus Off IRQ Flag */ -#define WUIF 0x0010 /* Wake-Up IRQ Flag */ -#define UIAIF 0x0020 /* Access To Unimplemented Address IRQ Flag */ -#define AAIF 0x0040 /* Abort Acknowledge IRQ Flag */ -#define RMLIF 0x0080 /* RX Message Lost IRQ Flag */ -#define UCEIF 0x0100 /* Universal Counter Overflow IRQ Flag */ -#define EXTIF 0x0200 /* External Trigger Output IRQ Flag */ -#define ADIF 0x0400 /* Access Denied IRQ Flag */ - -/* CAN_UCCNF Masks */ -#define UCCNF 0x000F /* Universal Counter Mode */ -#define UC_STAMP 0x0001 /* Timestamp Mode */ -#define UC_WDOG 0x0002 /* Watchdog Mode */ -#define UC_AUTOTX 0x0003 /* Auto-Transmit Mode */ -#define UC_ERROR 0x0006 /* CAN Error Frame Count */ -#define UC_OVER 0x0007 /* CAN Overload Frame Count */ -#define UC_LOST 0x0008 /* Arbitration Lost During TX Count */ -#define UC_AA 0x0009 /* TX Abort Count */ -#define UC_TA 0x000A /* TX Successful Count */ -#define UC_REJECT 0x000B /* RX Message Rejected Count */ -#define UC_RML 0x000C /* RX Message Lost Count */ -#define UC_RX 0x000D /* Total Successful RX Messages Count */ -#define UC_RMP 0x000E /* Successful RX W/Matching ID Count */ -#define UC_ALL 0x000F /* Correct Message On CAN Bus Line Count */ -#define UCRC 0x0020 /* Universal Counter Reload/Clear */ -#define UCCT 0x0040 /* Universal Counter CAN Trigger */ -#define UCE 0x0080 /* Universal Counter Enable */ - -/* CAN_ESR Masks */ -#define ACKE 0x0004 /* Acknowledge Error */ -#define SER 0x0008 /* Stuff Error */ -#define CRCE 0x0010 /* CRC Error */ -#define SA0 0x0020 /* Stuck At Dominant Error */ -#define BEF 0x0040 /* Bit Error Flag */ -#define FER 0x0080 /* Form Error Flag */ - -/* CAN_EWR Masks */ -#define EWLREC 0x00FF /* RX Error Count Limit (For EWRIS) */ -#define EWLTEC 0xFF00 /* TX Error Count Limit (For EWTIS) */ - #endif /* _DEF_BF539_H */ diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c index f60c333fec66..dbb6b1d83f6d 100644 --- a/arch/blackfin/mach-bf548/boards/cm_bf548.c +++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c @@ -498,6 +498,10 @@ static struct musb_hdrc_config musb_config = { .num_eps = 8, .dma_channels = 8, .gpio_vrsel = GPIO_PH6, + /* Some custom boards need to be active low, just set it to "0" + * if it is the case. + */ + .gpio_vrsel_active = 1, }; static struct musb_hdrc_platform_data musb_plat = { diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 06919db00a74..6fcfb9187c35 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -603,6 +603,10 @@ static struct musb_hdrc_config musb_config = { .num_eps = 8, .dma_channels = 8, .gpio_vrsel = GPIO_PE7, + /* Some custom boards need to be active low, just set it to "0" + * if it is the case. + */ + .gpio_vrsel_active = 1, }; static struct musb_hdrc_platform_data musb_plat = { diff --git a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h index ab04d137fd8b..0ed06c2366fe 100644 --- a/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h +++ b/arch/blackfin/mach-bf548/include/mach/defBF54x_base.h @@ -2104,677 +2104,6 @@ #define ECCCNT 0x3ff /* Transfer Count */ -/* Bit masks for CAN0_CONTROL */ - -#define SRS 0x1 /* Software Reset */ -#define DNM 0x2 /* DeviceNet Mode */ -#define ABO 0x4 /* Auto Bus On */ -#define WBA 0x10 /* Wakeup On CAN Bus Activity */ -#define SMR 0x20 /* Sleep Mode Request */ -#define CSR 0x40 /* CAN Suspend Mode Request */ -#define CCR 0x80 /* CAN Configuration Mode Request */ - -/* Bit masks for CAN0_STATUS */ - -#define WT 0x1 /* CAN Transmit Warning Flag */ -#define WR 0x2 /* CAN Receive Warning Flag */ -#define EP 0x4 /* CAN Error Passive Mode */ -#define EBO 0x8 /* CAN Error Bus Off Mode */ -#define CSA 0x40 /* CAN Suspend Mode Acknowledge */ -#define CCA 0x80 /* CAN Configuration Mode Acknowledge */ -#define MBPTR 0x1f00 /* Mailbox Pointer */ -#define TRM 0x4000 /* Transmit Mode Status */ -#define REC 0x8000 /* Receive Mode Status */ - -/* Bit masks for CAN0_DEBUG */ - -#define DEC 0x1 /* Disable Transmit/Receive Error Counters */ -#define DRI 0x2 /* Disable CANRX Input Pin */ -#define DTO 0x4 /* Disable CANTX Output Pin */ -#define DIL 0x8 /* Disable Internal Loop */ -#define MAA 0x10 /* Mode Auto-Acknowledge */ -#define MRB 0x20 /* Mode Read Back */ -#define CDE 0x8000 /* CAN Debug Mode Enable */ - -/* Bit masks for CAN0_CLOCK */ - -#define BRP 0x3ff /* CAN Bit Rate Prescaler */ - -/* Bit masks for CAN0_TIMING */ - -#define SJW 0x300 /* Synchronization Jump Width */ -#define SAM 0x80 /* Sampling */ -#define TSEG2 0x70 /* Time Segment 2 */ -#define TSEG1 0xf /* Time Segment 1 */ - -/* Bit masks for CAN0_INTR */ - -#define CANRX 0x80 /* Serial Input From Transceiver */ -#define CANTX 0x40 /* Serial Output To Transceiver */ -#define SMACK 0x8 /* Sleep Mode Acknowledge */ -#define GIRQ 0x4 /* Global Interrupt Request Status */ -#define MBTIRQ 0x2 /* Mailbox Transmit Interrupt Request */ -#define MBRIRQ 0x1 /* Mailbox Receive Interrupt Request */ - -/* Bit masks for CAN0_GIM */ - -#define EWTIM 0x1 /* Error Warning Transmit Interrupt Mask */ -#define EWRIM 0x2 /* Error Warning Receive Interrupt Mask */ -#define EPIM 0x4 /* Error Passive Interrupt Mask */ -#define BOIM 0x8 /* Bus Off Interrupt Mask */ -#define WUIM 0x10 /* Wakeup Interrupt Mask */ -#define UIAIM 0x20 /* Unimplemented Address Interrupt Mask */ -#define AAIM 0x40 /* Abort Acknowledge Interrupt Mask */ -#define RMLIM 0x80 /* Receive Message Lost Interrupt Mask */ -#define UCEIM 0x100 /* Universal Counter Exceeded Interrupt Mask */ -#define ADIM 0x400 /* Access Denied Interrupt Mask */ - -/* Bit masks for CAN0_GIS */ - -#define EWTIS 0x1 /* Error Warning Transmit Interrupt Status */ -#define EWRIS 0x2 /* Error Warning Receive Interrupt Status */ -#define EPIS 0x4 /* Error Passive Interrupt Status */ -#define BOIS 0x8 /* Bus Off Interrupt Status */ -#define WUIS 0x10 /* Wakeup Interrupt Status */ -#define UIAIS 0x20 /* Unimplemented Address Interrupt Status */ -#define AAIS 0x40 /* Abort Acknowledge Interrupt Status */ -#define RMLIS 0x80 /* Receive Message Lost Interrupt Status */ -#define UCEIS 0x100 /* Universal Counter Exceeded Interrupt Status */ -#define ADIS 0x400 /* Access Denied Interrupt Status */ - -/* Bit masks for CAN0_GIF */ - -#define EWTIF 0x1 /* Error Warning Transmit Interrupt Flag */ -#define EWRIF 0x2 /* Error Warning Receive Interrupt Flag */ -#define EPIF 0x4 /* Error Passive Interrupt Flag */ -#define BOIF 0x8 /* Bus Off Interrupt Flag */ -#define WUIF 0x10 /* Wakeup Interrupt Flag */ -#define UIAIF 0x20 /* Unimplemented Address Interrupt Flag */ -#define AAIF 0x40 /* Abort Acknowledge Interrupt Flag */ -#define RMLIF 0x80 /* Receive Message Lost Interrupt Flag */ -#define UCEIF 0x100 /* Universal Counter Exceeded Interrupt Flag */ -#define ADIF 0x400 /* Access Denied Interrupt Flag */ - -/* Bit masks for CAN0_MBTD */ - -#define TDR 0x80 /* Temporary Disable Request */ -#define TDA 0x40 /* Temporary Disable Acknowledge */ -#define TDPTR 0x1f /* Temporary Disable Pointer */ - -/* Bit masks for CAN0_UCCNF */ - -#define UCCNF 0xf /* Universal Counter Configuration */ -#define UCRC 0x20 /* Universal Counter Reload/Clear */ -#define UCCT 0x40 /* Universal Counter CAN Trigger */ -#define UCE 0x80 /* Universal Counter Enable */ - -/* Bit masks for CAN0_CEC */ - -#define RXECNT 0xff /* Receive Error Counter */ -#define TXECNT 0xff00 /* Transmit Error Counter */ - -/* Bit masks for CAN0_ESR */ - -#define FER 0x80 /* Form Error */ -#define BEF 0x40 /* Bit Error Flag */ -#define SA0 0x20 /* Stuck At Dominant */ -#define CRCE 0x10 /* CRC Error */ -#define SER 0x8 /* Stuff Bit Error */ -#define ACKE 0x4 /* Acknowledge Error */ - -/* Bit masks for CAN0_EWR */ - -#define EWLTEC 0xff00 /* Transmit Error Warning Limit */ -#define EWLREC 0xff /* Receive Error Warning Limit */ - -/* Bit masks for CAN0_AMxx_H */ - -#define FDF 0x8000 /* Filter On Data Field */ -#define FMD 0x4000 /* Full Mask Data */ -#define AMIDE 0x2000 /* Acceptance Mask Identifier Extension */ -#define BASEID 0x1ffc /* Base Identifier */ -#define EXTID_HI 0x3 /* Extended Identifier High Bits */ - -/* Bit masks for CAN0_AMxx_L */ - -#define EXTID_LO 0xffff /* Extended Identifier Low Bits */ -#define DFM 0xffff /* Data Field Mask */ - -/* Bit masks for CAN0_MBxx_ID1 */ - -#define AME 0x8000 /* Acceptance Mask Enable */ -#define RTR 0x4000 /* Remote Transmission Request */ -#define IDE 0x2000 /* Identifier Extension */ -#define BASEID 0x1ffc /* Base Identifier */ -#define EXTID_HI 0x3 /* Extended Identifier High Bits */ - -/* Bit masks for CAN0_MBxx_ID0 */ - -#define EXTID_LO 0xffff /* Extended Identifier Low Bits */ -#define DFM 0xffff /* Data Field Mask */ - -/* Bit masks for CAN0_MBxx_TIMESTAMP */ - -#define TSV 0xffff /* Time Stamp Value */ - -/* Bit masks for CAN0_MBxx_LENGTH */ - -#define DLC 0xf /* Data Length Code */ - -/* Bit masks for CAN0_MBxx_DATA3 */ - -#define CAN_BYTE0 0xff00 /* Data Field Byte 0 */ -#define CAN_BYTE1 0xff /* Data Field Byte 1 */ - -/* Bit masks for CAN0_MBxx_DATA2 */ - -#define CAN_BYTE2 0xff00 /* Data Field Byte 2 */ -#define CAN_BYTE3 0xff /* Data Field Byte 3 */ - -/* Bit masks for CAN0_MBxx_DATA1 */ - -#define CAN_BYTE4 0xff00 /* Data Field Byte 4 */ -#define CAN_BYTE5 0xff /* Data Field Byte 5 */ - -/* Bit masks for CAN0_MBxx_DATA0 */ - -#define CAN_BYTE6 0xff00 /* Data Field Byte 6 */ -#define CAN_BYTE7 0xff /* Data Field Byte 7 */ - -/* Bit masks for CAN0_MC1 */ - -#define MC0 0x1 /* Mailbox 0 Enable */ -#define MC1 0x2 /* Mailbox 1 Enable */ -#define MC2 0x4 /* Mailbox 2 Enable */ -#define MC3 0x8 /* Mailbox 3 Enable */ -#define MC4 0x10 /* Mailbox 4 Enable */ -#define MC5 0x20 /* Mailbox 5 Enable */ -#define MC6 0x40 /* Mailbox 6 Enable */ -#define MC7 0x80 /* Mailbox 7 Enable */ -#define MC8 0x100 /* Mailbox 8 Enable */ -#define MC9 0x200 /* Mailbox 9 Enable */ -#define MC10 0x400 /* Mailbox 10 Enable */ -#define MC11 0x800 /* Mailbox 11 Enable */ -#define MC12 0x1000 /* Mailbox 12 Enable */ -#define MC13 0x2000 /* Mailbox 13 Enable */ -#define MC14 0x4000 /* Mailbox 14 Enable */ -#define MC15 0x8000 /* Mailbox 15 Enable */ - -/* Bit masks for CAN0_MC2 */ - -#define MC16 0x1 /* Mailbox 16 Enable */ -#define MC17 0x2 /* Mailbox 17 Enable */ -#define MC18 0x4 /* Mailbox 18 Enable */ -#define MC19 0x8 /* Mailbox 19 Enable */ -#define MC20 0x10 /* Mailbox 20 Enable */ -#define MC21 0x20 /* Mailbox 21 Enable */ -#define MC22 0x40 /* Mailbox 22 Enable */ -#define MC23 0x80 /* Mailbox 23 Enable */ -#define MC24 0x100 /* Mailbox 24 Enable */ -#define MC25 0x200 /* Mailbox 25 Enable */ -#define MC26 0x400 /* Mailbox 26 Enable */ -#define MC27 0x800 /* Mailbox 27 Enable */ -#define MC28 0x1000 /* Mailbox 28 Enable */ -#define MC29 0x2000 /* Mailbox 29 Enable */ -#define MC30 0x4000 /* Mailbox 30 Enable */ -#define MC31 0x8000 /* Mailbox 31 Enable */ - -/* Bit masks for CAN0_MD1 */ - -#define MD0 0x1 /* Mailbox 0 Receive Enable */ -#define MD1 0x2 /* Mailbox 1 Receive Enable */ -#define MD2 0x4 /* Mailbox 2 Receive Enable */ -#define MD3 0x8 /* Mailbox 3 Receive Enable */ -#define MD4 0x10 /* Mailbox 4 Receive Enable */ -#define MD5 0x20 /* Mailbox 5 Receive Enable */ -#define MD6 0x40 /* Mailbox 6 Receive Enable */ -#define MD7 0x80 /* Mailbox 7 Receive Enable */ -#define MD8 0x100 /* Mailbox 8 Receive Enable */ -#define MD9 0x200 /* Mailbox 9 Receive Enable */ -#define MD10 0x400 /* Mailbox 10 Receive Enable */ -#define MD11 0x800 /* Mailbox 11 Receive Enable */ -#define MD12 0x1000 /* Mailbox 12 Receive Enable */ -#define MD13 0x2000 /* Mailbox 13 Receive Enable */ -#define MD14 0x4000 /* Mailbox 14 Receive Enable */ -#define MD15 0x8000 /* Mailbox 15 Receive Enable */ - -/* Bit masks for CAN0_MD2 */ - -#define MD16 0x1 /* Mailbox 16 Receive Enable */ -#define MD17 0x2 /* Mailbox 17 Receive Enable */ -#define MD18 0x4 /* Mailbox 18 Receive Enable */ -#define MD19 0x8 /* Mailbox 19 Receive Enable */ -#define MD20 0x10 /* Mailbox 20 Receive Enable */ -#define MD21 0x20 /* Mailbox 21 Receive Enable */ -#define MD22 0x40 /* Mailbox 22 Receive Enable */ -#define MD23 0x80 /* Mailbox 23 Receive Enable */ -#define MD24 0x100 /* Mailbox 24 Receive Enable */ -#define MD25 0x200 /* Mailbox 25 Receive Enable */ -#define MD26 0x400 /* Mailbox 26 Receive Enable */ -#define MD27 0x800 /* Mailbox 27 Receive Enable */ -#define MD28 0x1000 /* Mailbox 28 Receive Enable */ -#define MD29 0x2000 /* Mailbox 29 Receive Enable */ -#define MD30 0x4000 /* Mailbox 30 Receive Enable */ -#define MD31 0x8000 /* Mailbox 31 Receive Enable */ - -/* Bit masks for CAN0_RMP1 */ - -#define RMP0 0x1 /* Mailbox 0 Receive Message Pending */ -#define RMP1 0x2 /* Mailbox 1 Receive Message Pending */ -#define RMP2 0x4 /* Mailbox 2 Receive Message Pending */ -#define RMP3 0x8 /* Mailbox 3 Receive Message Pending */ -#define RMP4 0x10 /* Mailbox 4 Receive Message Pending */ -#define RMP5 0x20 /* Mailbox 5 Receive Message Pending */ -#define RMP6 0x40 /* Mailbox 6 Receive Message Pending */ -#define RMP7 0x80 /* Mailbox 7 Receive Message Pending */ -#define RMP8 0x100 /* Mailbox 8 Receive Message Pending */ -#define RMP9 0x200 /* Mailbox 9 Receive Message Pending */ -#define RMP10 0x400 /* Mailbox 10 Receive Message Pending */ -#define RMP11 0x800 /* Mailbox 11 Receive Message Pending */ -#define RMP12 0x1000 /* Mailbox 12 Receive Message Pending */ -#define RMP13 0x2000 /* Mailbox 13 Receive Message Pending */ -#define RMP14 0x4000 /* Mailbox 14 Receive Message Pending */ -#define RMP15 0x8000 /* Mailbox 15 Receive Message Pending */ - -/* Bit masks for CAN0_RMP2 */ - -#define RMP16 0x1 /* Mailbox 16 Receive Message Pending */ -#define RMP17 0x2 /* Mailbox 17 Receive Message Pending */ -#define RMP18 0x4 /* Mailbox 18 Receive Message Pending */ -#define RMP19 0x8 /* Mailbox 19 Receive Message Pending */ -#define RMP20 0x10 /* Mailbox 20 Receive Message Pending */ -#define RMP21 0x20 /* Mailbox 21 Receive Message Pending */ -#define RMP22 0x40 /* Mailbox 22 Receive Message Pending */ -#define RMP23 0x80 /* Mailbox 23 Receive Message Pending */ -#define RMP24 0x100 /* Mailbox 24 Receive Message Pending */ -#define RMP25 0x200 /* Mailbox 25 Receive Message Pending */ -#define RMP26 0x400 /* Mailbox 26 Receive Message Pending */ -#define RMP27 0x800 /* Mailbox 27 Receive Message Pending */ -#define RMP28 0x1000 /* Mailbox 28 Receive Message Pending */ -#define RMP29 0x2000 /* Mailbox 29 Receive Message Pending */ -#define RMP30 0x4000 /* Mailbox 30 Receive Message Pending */ -#define RMP31 0x8000 /* Mailbox 31 Receive Message Pending */ - -/* Bit masks for CAN0_RML1 */ - -#define RML0 0x1 /* Mailbox 0 Receive Message Lost */ -#define RML1 0x2 /* Mailbox 1 Receive Message Lost */ -#define RML2 0x4 /* Mailbox 2 Receive Message Lost */ -#define RML3 0x8 /* Mailbox 3 Receive Message Lost */ -#define RML4 0x10 /* Mailbox 4 Receive Message Lost */ -#define RML5 0x20 /* Mailbox 5 Receive Message Lost */ -#define RML6 0x40 /* Mailbox 6 Receive Message Lost */ -#define RML7 0x80 /* Mailbox 7 Receive Message Lost */ -#define RML8 0x100 /* Mailbox 8 Receive Message Lost */ -#define RML9 0x200 /* Mailbox 9 Receive Message Lost */ -#define RML10 0x400 /* Mailbox 10 Receive Message Lost */ -#define RML11 0x800 /* Mailbox 11 Receive Message Lost */ -#define RML12 0x1000 /* Mailbox 12 Receive Message Lost */ -#define RML13 0x2000 /* Mailbox 13 Receive Message Lost */ -#define RML14 0x4000 /* Mailbox 14 Receive Message Lost */ -#define RML15 0x8000 /* Mailbox 15 Receive Message Lost */ - -/* Bit masks for CAN0_RML2 */ - -#define RML16 0x1 /* Mailbox 16 Receive Message Lost */ -#define RML17 0x2 /* Mailbox 17 Receive Message Lost */ -#define RML18 0x4 /* Mailbox 18 Receive Message Lost */ -#define RML19 0x8 /* Mailbox 19 Receive Message Lost */ -#define RML20 0x10 /* Mailbox 20 Receive Message Lost */ -#define RML21 0x20 /* Mailbox 21 Receive Message Lost */ -#define RML22 0x40 /* Mailbox 22 Receive Message Lost */ -#define RML23 0x80 /* Mailbox 23 Receive Message Lost */ -#define RML24 0x100 /* Mailbox 24 Receive Message Lost */ -#define RML25 0x200 /* Mailbox 25 Receive Message Lost */ -#define RML26 0x400 /* Mailbox 26 Receive Message Lost */ -#define RML27 0x800 /* Mailbox 27 Receive Message Lost */ -#define RML28 0x1000 /* Mailbox 28 Receive Message Lost */ -#define RML29 0x2000 /* Mailbox 29 Receive Message Lost */ -#define RML30 0x4000 /* Mailbox 30 Receive Message Lost */ -#define RML31 0x8000 /* Mailbox 31 Receive Message Lost */ - -/* Bit masks for CAN0_OPSS1 */ - -#define OPSS0 0x1 /* Mailbox 0 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS1 0x2 /* Mailbox 1 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS2 0x4 /* Mailbox 2 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS3 0x8 /* Mailbox 3 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS4 0x10 /* Mailbox 4 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS5 0x20 /* Mailbox 5 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS6 0x40 /* Mailbox 6 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS7 0x80 /* Mailbox 7 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS8 0x100 /* Mailbox 8 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS9 0x200 /* Mailbox 9 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS10 0x400 /* Mailbox 10 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS11 0x800 /* Mailbox 11 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS12 0x1000 /* Mailbox 12 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS13 0x2000 /* Mailbox 13 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS14 0x4000 /* Mailbox 14 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS15 0x8000 /* Mailbox 15 Overwrite Protection/Single-Shot Transmission Enable */ - -/* Bit masks for CAN0_OPSS2 */ - -#define OPSS16 0x1 /* Mailbox 16 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS17 0x2 /* Mailbox 17 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS18 0x4 /* Mailbox 18 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS19 0x8 /* Mailbox 19 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS20 0x10 /* Mailbox 20 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS21 0x20 /* Mailbox 21 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS22 0x40 /* Mailbox 22 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS23 0x80 /* Mailbox 23 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS24 0x100 /* Mailbox 24 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS25 0x200 /* Mailbox 25 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS26 0x400 /* Mailbox 26 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS27 0x800 /* Mailbox 27 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS28 0x1000 /* Mailbox 28 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS29 0x2000 /* Mailbox 29 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS30 0x4000 /* Mailbox 30 Overwrite Protection/Single-Shot Transmission Enable */ -#define OPSS31 0x8000 /* Mailbox 31 Overwrite Protection/Single-Shot Transmission Enable */ - -/* Bit masks for CAN0_TRS1 */ - -#define TRS0 0x1 /* Mailbox 0 Transmit Request Set */ -#define TRS1 0x2 /* Mailbox 1 Transmit Request Set */ -#define TRS2 0x4 /* Mailbox 2 Transmit Request Set */ -#define TRS3 0x8 /* Mailbox 3 Transmit Request Set */ -#define TRS4 0x10 /* Mailbox 4 Transmit Request Set */ -#define TRS5 0x20 /* Mailbox 5 Transmit Request Set */ -#define TRS6 0x40 /* Mailbox 6 Transmit Request Set */ -#define TRS7 0x80 /* Mailbox 7 Transmit Request Set */ -#define TRS8 0x100 /* Mailbox 8 Transmit Request Set */ -#define TRS9 0x200 /* Mailbox 9 Transmit Request Set */ -#define TRS10 0x400 /* Mailbox 10 Transmit Request Set */ -#define TRS11 0x800 /* Mailbox 11 Transmit Request Set */ -#define TRS12 0x1000 /* Mailbox 12 Transmit Request Set */ -#define TRS13 0x2000 /* Mailbox 13 Transmit Request Set */ -#define TRS14 0x4000 /* Mailbox 14 Transmit Request Set */ -#define TRS15 0x8000 /* Mailbox 15 Transmit Request Set */ - -/* Bit masks for CAN0_TRS2 */ - -#define TRS16 0x1 /* Mailbox 16 Transmit Request Set */ -#define TRS17 0x2 /* Mailbox 17 Transmit Request Set */ -#define TRS18 0x4 /* Mailbox 18 Transmit Request Set */ -#define TRS19 0x8 /* Mailbox 19 Transmit Request Set */ -#define TRS20 0x10 /* Mailbox 20 Transmit Request Set */ -#define TRS21 0x20 /* Mailbox 21 Transmit Request Set */ -#define TRS22 0x40 /* Mailbox 22 Transmit Request Set */ -#define TRS23 0x80 /* Mailbox 23 Transmit Request Set */ -#define TRS24 0x100 /* Mailbox 24 Transmit Request Set */ -#define TRS25 0x200 /* Mailbox 25 Transmit Request Set */ -#define TRS26 0x400 /* Mailbox 26 Transmit Request Set */ -#define TRS27 0x800 /* Mailbox 27 Transmit Request Set */ -#define TRS28 0x1000 /* Mailbox 28 Transmit Request Set */ -#define TRS29 0x2000 /* Mailbox 29 Transmit Request Set */ -#define TRS30 0x4000 /* Mailbox 30 Transmit Request Set */ -#define TRS31 0x8000 /* Mailbox 31 Transmit Request Set */ - -/* Bit masks for CAN0_TRR1 */ - -#define TRR0 0x1 /* Mailbox 0 Transmit Request Reset */ -#define TRR1 0x2 /* Mailbox 1 Transmit Request Reset */ -#define TRR2 0x4 /* Mailbox 2 Transmit Request Reset */ -#define TRR3 0x8 /* Mailbox 3 Transmit Request Reset */ -#define TRR4 0x10 /* Mailbox 4 Transmit Request Reset */ -#define TRR5 0x20 /* Mailbox 5 Transmit Request Reset */ -#define TRR6 0x40 /* Mailbox 6 Transmit Request Reset */ -#define TRR7 0x80 /* Mailbox 7 Transmit Request Reset */ -#define TRR8 0x100 /* Mailbox 8 Transmit Request Reset */ -#define TRR9 0x200 /* Mailbox 9 Transmit Request Reset */ -#define TRR10 0x400 /* Mailbox 10 Transmit Request Reset */ -#define TRR11 0x800 /* Mailbox 11 Transmit Request Reset */ -#define TRR12 0x1000 /* Mailbox 12 Transmit Request Reset */ -#define TRR13 0x2000 /* Mailbox 13 Transmit Request Reset */ -#define TRR14 0x4000 /* Mailbox 14 Transmit Request Reset */ -#define TRR15 0x8000 /* Mailbox 15 Transmit Request Reset */ - -/* Bit masks for CAN0_TRR2 */ - -#define TRR16 0x1 /* Mailbox 16 Transmit Request Reset */ -#define TRR17 0x2 /* Mailbox 17 Transmit Request Reset */ -#define TRR18 0x4 /* Mailbox 18 Transmit Request Reset */ -#define TRR19 0x8 /* Mailbox 19 Transmit Request Reset */ -#define TRR20 0x10 /* Mailbox 20 Transmit Request Reset */ -#define TRR21 0x20 /* Mailbox 21 Transmit Request Reset */ -#define TRR22 0x40 /* Mailbox 22 Transmit Request Reset */ -#define TRR23 0x80 /* Mailbox 23 Transmit Request Reset */ -#define TRR24 0x100 /* Mailbox 24 Transmit Request Reset */ -#define TRR25 0x200 /* Mailbox 25 Transmit Request Reset */ -#define TRR26 0x400 /* Mailbox 26 Transmit Request Reset */ -#define TRR27 0x800 /* Mailbox 27 Transmit Request Reset */ -#define TRR28 0x1000 /* Mailbox 28 Transmit Request Reset */ -#define TRR29 0x2000 /* Mailbox 29 Transmit Request Reset */ -#define TRR30 0x4000 /* Mailbox 30 Transmit Request Reset */ -#define TRR31 0x8000 /* Mailbox 31 Transmit Request Reset */ - -/* Bit masks for CAN0_AA1 */ - -#define AA0 0x1 /* Mailbox 0 Abort Acknowledge */ -#define AA1 0x2 /* Mailbox 1 Abort Acknowledge */ -#define AA2 0x4 /* Mailbox 2 Abort Acknowledge */ -#define AA3 0x8 /* Mailbox 3 Abort Acknowledge */ -#define AA4 0x10 /* Mailbox 4 Abort Acknowledge */ -#define AA5 0x20 /* Mailbox 5 Abort Acknowledge */ -#define AA6 0x40 /* Mailbox 6 Abort Acknowledge */ -#define AA7 0x80 /* Mailbox 7 Abort Acknowledge */ -#define AA8 0x100 /* Mailbox 8 Abort Acknowledge */ -#define AA9 0x200 /* Mailbox 9 Abort Acknowledge */ -#define AA10 0x400 /* Mailbox 10 Abort Acknowledge */ -#define AA11 0x800 /* Mailbox 11 Abort Acknowledge */ -#define AA12 0x1000 /* Mailbox 12 Abort Acknowledge */ -#define AA13 0x2000 /* Mailbox 13 Abort Acknowledge */ -#define AA14 0x4000 /* Mailbox 14 Abort Acknowledge */ -#define AA15 0x8000 /* Mailbox 15 Abort Acknowledge */ - -/* Bit masks for CAN0_AA2 */ - -#define AA16 0x1 /* Mailbox 16 Abort Acknowledge */ -#define AA17 0x2 /* Mailbox 17 Abort Acknowledge */ -#define AA18 0x4 /* Mailbox 18 Abort Acknowledge */ -#define AA19 0x8 /* Mailbox 19 Abort Acknowledge */ -#define AA20 0x10 /* Mailbox 20 Abort Acknowledge */ -#define AA21 0x20 /* Mailbox 21 Abort Acknowledge */ -#define AA22 0x40 /* Mailbox 22 Abort Acknowledge */ -#define AA23 0x80 /* Mailbox 23 Abort Acknowledge */ -#define AA24 0x100 /* Mailbox 24 Abort Acknowledge */ -#define AA25 0x200 /* Mailbox 25 Abort Acknowledge */ -#define AA26 0x400 /* Mailbox 26 Abort Acknowledge */ -#define AA27 0x800 /* Mailbox 27 Abort Acknowledge */ -#define AA28 0x1000 /* Mailbox 28 Abort Acknowledge */ -#define AA29 0x2000 /* Mailbox 29 Abort Acknowledge */ -#define AA30 0x4000 /* Mailbox 30 Abort Acknowledge */ -#define AA31 0x8000 /* Mailbox 31 Abort Acknowledge */ - -/* Bit masks for CAN0_TA1 */ - -#define TA0 0x1 /* Mailbox 0 Transmit Acknowledge */ -#define TA1 0x2 /* Mailbox 1 Transmit Acknowledge */ -#define TA2 0x4 /* Mailbox 2 Transmit Acknowledge */ -#define TA3 0x8 /* Mailbox 3 Transmit Acknowledge */ -#define TA4 0x10 /* Mailbox 4 Transmit Acknowledge */ -#define TA5 0x20 /* Mailbox 5 Transmit Acknowledge */ -#define TA6 0x40 /* Mailbox 6 Transmit Acknowledge */ -#define TA7 0x80 /* Mailbox 7 Transmit Acknowledge */ -#define TA8 0x100 /* Mailbox 8 Transmit Acknowledge */ -#define TA9 0x200 /* Mailbox 9 Transmit Acknowledge */ -#define TA10 0x400 /* Mailbox 10 Transmit Acknowledge */ -#define TA11 0x800 /* Mailbox 11 Transmit Acknowledge */ -#define TA12 0x1000 /* Mailbox 12 Transmit Acknowledge */ -#define TA13 0x2000 /* Mailbox 13 Transmit Acknowledge */ -#define TA14 0x4000 /* Mailbox 14 Transmit Acknowledge */ -#define TA15 0x8000 /* Mailbox 15 Transmit Acknowledge */ - -/* Bit masks for CAN0_TA2 */ - -#define TA16 0x1 /* Mailbox 16 Transmit Acknowledge */ -#define TA17 0x2 /* Mailbox 17 Transmit Acknowledge */ -#define TA18 0x4 /* Mailbox 18 Transmit Acknowledge */ -#define TA19 0x8 /* Mailbox 19 Transmit Acknowledge */ -#define TA20 0x10 /* Mailbox 20 Transmit Acknowledge */ -#define TA21 0x20 /* Mailbox 21 Transmit Acknowledge */ -#define TA22 0x40 /* Mailbox 22 Transmit Acknowledge */ -#define TA23 0x80 /* Mailbox 23 Transmit Acknowledge */ -#define TA24 0x100 /* Mailbox 24 Transmit Acknowledge */ -#define TA25 0x200 /* Mailbox 25 Transmit Acknowledge */ -#define TA26 0x400 /* Mailbox 26 Transmit Acknowledge */ -#define TA27 0x800 /* Mailbox 27 Transmit Acknowledge */ -#define TA28 0x1000 /* Mailbox 28 Transmit Acknowledge */ -#define TA29 0x2000 /* Mailbox 29 Transmit Acknowledge */ -#define TA30 0x4000 /* Mailbox 30 Transmit Acknowledge */ -#define TA31 0x8000 /* Mailbox 31 Transmit Acknowledge */ - -/* Bit masks for CAN0_RFH1 */ - -#define RFH0 0x1 /* Mailbox 0 Remote Frame Handling Enable */ -#define RFH1 0x2 /* Mailbox 1 Remote Frame Handling Enable */ -#define RFH2 0x4 /* Mailbox 2 Remote Frame Handling Enable */ -#define RFH3 0x8 /* Mailbox 3 Remote Frame Handling Enable */ -#define RFH4 0x10 /* Mailbox 4 Remote Frame Handling Enable */ -#define RFH5 0x20 /* Mailbox 5 Remote Frame Handling Enable */ -#define RFH6 0x40 /* Mailbox 6 Remote Frame Handling Enable */ -#define RFH7 0x80 /* Mailbox 7 Remote Frame Handling Enable */ -#define RFH8 0x100 /* Mailbox 8 Remote Frame Handling Enable */ -#define RFH9 0x200 /* Mailbox 9 Remote Frame Handling Enable */ -#define RFH10 0x400 /* Mailbox 10 Remote Frame Handling Enable */ -#define RFH11 0x800 /* Mailbox 11 Remote Frame Handling Enable */ -#define RFH12 0x1000 /* Mailbox 12 Remote Frame Handling Enable */ -#define RFH13 0x2000 /* Mailbox 13 Remote Frame Handling Enable */ -#define RFH14 0x4000 /* Mailbox 14 Remote Frame Handling Enable */ -#define RFH15 0x8000 /* Mailbox 15 Remote Frame Handling Enable */ - -/* Bit masks for CAN0_RFH2 */ - -#define RFH16 0x1 /* Mailbox 16 Remote Frame Handling Enable */ -#define RFH17 0x2 /* Mailbox 17 Remote Frame Handling Enable */ -#define RFH18 0x4 /* Mailbox 18 Remote Frame Handling Enable */ -#define RFH19 0x8 /* Mailbox 19 Remote Frame Handling Enable */ -#define RFH20 0x10 /* Mailbox 20 Remote Frame Handling Enable */ -#define RFH21 0x20 /* Mailbox 21 Remote Frame Handling Enable */ -#define RFH22 0x40 /* Mailbox 22 Remote Frame Handling Enable */ -#define RFH23 0x80 /* Mailbox 23 Remote Frame Handling Enable */ -#define RFH24 0x100 /* Mailbox 24 Remote Frame Handling Enable */ -#define RFH25 0x200 /* Mailbox 25 Remote Frame Handling Enable */ -#define RFH26 0x400 /* Mailbox 26 Remote Frame Handling Enable */ -#define RFH27 0x800 /* Mailbox 27 Remote Frame Handling Enable */ -#define RFH28 0x1000 /* Mailbox 28 Remote Frame Handling Enable */ -#define RFH29 0x2000 /* Mailbox 29 Remote Frame Handling Enable */ -#define RFH30 0x4000 /* Mailbox 30 Remote Frame Handling Enable */ -#define RFH31 0x8000 /* Mailbox 31 Remote Frame Handling Enable */ - -/* Bit masks for CAN0_MBIM1 */ - -#define MBIM0 0x1 /* Mailbox 0 Mailbox Interrupt Mask */ -#define MBIM1 0x2 /* Mailbox 1 Mailbox Interrupt Mask */ -#define MBIM2 0x4 /* Mailbox 2 Mailbox Interrupt Mask */ -#define MBIM3 0x8 /* Mailbox 3 Mailbox Interrupt Mask */ -#define MBIM4 0x10 /* Mailbox 4 Mailbox Interrupt Mask */ -#define MBIM5 0x20 /* Mailbox 5 Mailbox Interrupt Mask */ -#define MBIM6 0x40 /* Mailbox 6 Mailbox Interrupt Mask */ -#define MBIM7 0x80 /* Mailbox 7 Mailbox Interrupt Mask */ -#define MBIM8 0x100 /* Mailbox 8 Mailbox Interrupt Mask */ -#define MBIM9 0x200 /* Mailbox 9 Mailbox Interrupt Mask */ -#define MBIM10 0x400 /* Mailbox 10 Mailbox Interrupt Mask */ -#define MBIM11 0x800 /* Mailbox 11 Mailbox Interrupt Mask */ -#define MBIM12 0x1000 /* Mailbox 12 Mailbox Interrupt Mask */ -#define MBIM13 0x2000 /* Mailbox 13 Mailbox Interrupt Mask */ -#define MBIM14 0x4000 /* Mailbox 14 Mailbox Interrupt Mask */ -#define MBIM15 0x8000 /* Mailbox 15 Mailbox Interrupt Mask */ - -/* Bit masks for CAN0_MBIM2 */ - -#define MBIM16 0x1 /* Mailbox 16 Mailbox Interrupt Mask */ -#define MBIM17 0x2 /* Mailbox 17 Mailbox Interrupt Mask */ -#define MBIM18 0x4 /* Mailbox 18 Mailbox Interrupt Mask */ -#define MBIM19 0x8 /* Mailbox 19 Mailbox Interrupt Mask */ -#define MBIM20 0x10 /* Mailbox 20 Mailbox Interrupt Mask */ -#define MBIM21 0x20 /* Mailbox 21 Mailbox Interrupt Mask */ -#define MBIM22 0x40 /* Mailbox 22 Mailbox Interrupt Mask */ -#define MBIM23 0x80 /* Mailbox 23 Mailbox Interrupt Mask */ -#define MBIM24 0x100 /* Mailbox 24 Mailbox Interrupt Mask */ -#define MBIM25 0x200 /* Mailbox 25 Mailbox Interrupt Mask */ -#define MBIM26 0x400 /* Mailbox 26 Mailbox Interrupt Mask */ -#define MBIM27 0x800 /* Mailbox 27 Mailbox Interrupt Mask */ -#define MBIM28 0x1000 /* Mailbox 28 Mailbox Interrupt Mask */ -#define MBIM29 0x2000 /* Mailbox 29 Mailbox Interrupt Mask */ -#define MBIM30 0x4000 /* Mailbox 30 Mailbox Interrupt Mask */ -#define MBIM31 0x8000 /* Mailbox 31 Mailbox Interrupt Mask */ - -/* Bit masks for CAN0_MBTIF1 */ - -#define MBTIF0 0x1 /* Mailbox 0 Mailbox Transmit Interrupt Flag */ -#define MBTIF1 0x2 /* Mailbox 1 Mailbox Transmit Interrupt Flag */ -#define MBTIF2 0x4 /* Mailbox 2 Mailbox Transmit Interrupt Flag */ -#define MBTIF3 0x8 /* Mailbox 3 Mailbox Transmit Interrupt Flag */ -#define MBTIF4 0x10 /* Mailbox 4 Mailbox Transmit Interrupt Flag */ -#define MBTIF5 0x20 /* Mailbox 5 Mailbox Transmit Interrupt Flag */ -#define MBTIF6 0x40 /* Mailbox 6 Mailbox Transmit Interrupt Flag */ -#define MBTIF7 0x80 /* Mailbox 7 Mailbox Transmit Interrupt Flag */ -#define MBTIF8 0x100 /* Mailbox 8 Mailbox Transmit Interrupt Flag */ -#define MBTIF9 0x200 /* Mailbox 9 Mailbox Transmit Interrupt Flag */ -#define MBTIF10 0x400 /* Mailbox 10 Mailbox Transmit Interrupt Flag */ -#define MBTIF11 0x800 /* Mailbox 11 Mailbox Transmit Interrupt Flag */ -#define MBTIF12 0x1000 /* Mailbox 12 Mailbox Transmit Interrupt Flag */ -#define MBTIF13 0x2000 /* Mailbox 13 Mailbox Transmit Interrupt Flag */ -#define MBTIF14 0x4000 /* Mailbox 14 Mailbox Transmit Interrupt Flag */ -#define MBTIF15 0x8000 /* Mailbox 15 Mailbox Transmit Interrupt Flag */ - -/* Bit masks for CAN0_MBTIF2 */ - -#define MBTIF16 0x1 /* Mailbox 16 Mailbox Transmit Interrupt Flag */ -#define MBTIF17 0x2 /* Mailbox 17 Mailbox Transmit Interrupt Flag */ -#define MBTIF18 0x4 /* Mailbox 18 Mailbox Transmit Interrupt Flag */ -#define MBTIF19 0x8 /* Mailbox 19 Mailbox Transmit Interrupt Flag */ -#define MBTIF20 0x10 /* Mailbox 20 Mailbox Transmit Interrupt Flag */ -#define MBTIF21 0x20 /* Mailbox 21 Mailbox Transmit Interrupt Flag */ -#define MBTIF22 0x40 /* Mailbox 22 Mailbox Transmit Interrupt Flag */ -#define MBTIF23 0x80 /* Mailbox 23 Mailbox Transmit Interrupt Flag */ -#define MBTIF24 0x100 /* Mailbox 24 Mailbox Transmit Interrupt Flag */ -#define MBTIF25 0x200 /* Mailbox 25 Mailbox Transmit Interrupt Flag */ -#define MBTIF26 0x400 /* Mailbox 26 Mailbox Transmit Interrupt Flag */ -#define MBTIF27 0x800 /* Mailbox 27 Mailbox Transmit Interrupt Flag */ -#define MBTIF28 0x1000 /* Mailbox 28 Mailbox Transmit Interrupt Flag */ -#define MBTIF29 0x2000 /* Mailbox 29 Mailbox Transmit Interrupt Flag */ -#define MBTIF30 0x4000 /* Mailbox 30 Mailbox Transmit Interrupt Flag */ -#define MBTIF31 0x8000 /* Mailbox 31 Mailbox Transmit Interrupt Flag */ - -/* Bit masks for CAN0_MBRIF1 */ - -#define MBRIF0 0x1 /* Mailbox 0 Mailbox Receive Interrupt Flag */ -#define MBRIF1 0x2 /* Mailbox 1 Mailbox Receive Interrupt Flag */ -#define MBRIF2 0x4 /* Mailbox 2 Mailbox Receive Interrupt Flag */ -#define MBRIF3 0x8 /* Mailbox 3 Mailbox Receive Interrupt Flag */ -#define MBRIF4 0x10 /* Mailbox 4 Mailbox Receive Interrupt Flag */ -#define MBRIF5 0x20 /* Mailbox 5 Mailbox Receive Interrupt Flag */ -#define MBRIF6 0x40 /* Mailbox 6 Mailbox Receive Interrupt Flag */ -#define MBRIF7 0x80 /* Mailbox 7 Mailbox Receive Interrupt Flag */ -#define MBRIF8 0x100 /* Mailbox 8 Mailbox Receive Interrupt Flag */ -#define MBRIF9 0x200 /* Mailbox 9 Mailbox Receive Interrupt Flag */ -#define MBRIF10 0x400 /* Mailbox 10 Mailbox Receive Interrupt Flag */ -#define MBRIF11 0x800 /* Mailbox 11 Mailbox Receive Interrupt Flag */ -#define MBRIF12 0x1000 /* Mailbox 12 Mailbox Receive Interrupt Flag */ -#define MBRIF13 0x2000 /* Mailbox 13 Mailbox Receive Interrupt Flag */ -#define MBRIF14 0x4000 /* Mailbox 14 Mailbox Receive Interrupt Flag */ -#define MBRIF15 0x8000 /* Mailbox 15 Mailbox Receive Interrupt Flag */ - -/* Bit masks for CAN0_MBRIF2 */ - -#define MBRIF16 0x1 /* Mailbox 16 Mailbox Receive Interrupt Flag */ -#define MBRIF17 0x2 /* Mailbox 17 Mailbox Receive Interrupt Flag */ -#define MBRIF18 0x4 /* Mailbox 18 Mailbox Receive Interrupt Flag */ -#define MBRIF19 0x8 /* Mailbox 19 Mailbox Receive Interrupt Flag */ -#define MBRIF20 0x10 /* Mailbox 20 Mailbox Receive Interrupt Flag */ -#define MBRIF21 0x20 /* Mailbox 21 Mailbox Receive Interrupt Flag */ -#define MBRIF22 0x40 /* Mailbox 22 Mailbox Receive Interrupt Flag */ -#define MBRIF23 0x80 /* Mailbox 23 Mailbox Receive Interrupt Flag */ -#define MBRIF24 0x100 /* Mailbox 24 Mailbox Receive Interrupt Flag */ -#define MBRIF25 0x200 /* Mailbox 25 Mailbox Receive Interrupt Flag */ -#define MBRIF26 0x400 /* Mailbox 26 Mailbox Receive Interrupt Flag */ -#define MBRIF27 0x800 /* Mailbox 27 Mailbox Receive Interrupt Flag */ -#define MBRIF28 0x1000 /* Mailbox 28 Mailbox Receive Interrupt Flag */ -#define MBRIF29 0x2000 /* Mailbox 29 Mailbox Receive Interrupt Flag */ -#define MBRIF30 0x4000 /* Mailbox 30 Mailbox Receive Interrupt Flag */ -#define MBRIF31 0x8000 /* Mailbox 31 Mailbox Receive Interrupt Flag */ - /* Bit masks for EPPIx_STATUS */ #define CFIFO_ERR 0x1 /* Chroma FIFO Error */ diff --git a/arch/blackfin/mach-bf561/boards/acvilon.c b/arch/blackfin/mach-bf561/boards/acvilon.c index 5163e2c383c5..bfcfa86db2b5 100644 --- a/arch/blackfin/mach-bf561/boards/acvilon.c +++ b/arch/blackfin/mach-bf561/boards/acvilon.c @@ -44,6 +44,7 @@ #include <linux/spi/flash.h> #include <linux/irq.h> #include <linux/interrupt.h> +#include <linux/jiffies.h> #include <linux/i2c-pca-platform.h> #include <linux/delay.h> #include <linux/io.h> @@ -112,7 +113,7 @@ static struct resource bfin_i2c_pca_resources[] = { struct i2c_pca9564_pf_platform_data pca9564_platform_data = { .gpio = -1, .i2c_clock_speed = 330000, - .timeout = 10000 + .timeout = HZ, }; /* PCA9564 I2C Bus driver */ diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index 7ad8878bfa18..1c8c4c7245c3 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -92,26 +92,29 @@ static void __init search_IAR(void) { unsigned ivg, irq_pos = 0; for (ivg = 0; ivg <= IVG13 - IVG7; ivg++) { - int irqn; + int irqN; ivg7_13[ivg].istop = ivg7_13[ivg].ifirst = &ivg_table[irq_pos]; - for (irqn = 0; irqn < NR_PERI_INTS; irqn++) { - int iar_shift = (irqn & 7) * 4; - if (ivg == (0xf & -#if defined(CONFIG_BF52x) || defined(CONFIG_BF538) \ - || defined(CONFIG_BF539) || defined(CONFIG_BF51x) - bfin_read32((unsigned long *)SIC_IAR0 + - ((irqn % 32) >> 3) + ((irqn / 32) * - ((SIC_IAR4 - SIC_IAR0) / 4))) >> iar_shift)) { + for (irqN = 0; irqN < NR_PERI_INTS; irqN += 4) { + int irqn; + u32 iar = bfin_read32((unsigned long *)SIC_IAR0 + +#if defined(CONFIG_BF51x) || defined(CONFIG_BF52x) || \ + defined(CONFIG_BF538) || defined(CONFIG_BF539) + ((irqN % 32) >> 3) + ((irqN / 32) * ((SIC_IAR4 - SIC_IAR0) / 4)) #else - bfin_read32((unsigned long *)SIC_IAR0 + - (irqn >> 3)) >> iar_shift)) { + (irqN >> 3) #endif - ivg_table[irq_pos].irqno = IVG7 + irqn; - ivg_table[irq_pos].isrflag = 1 << (irqn % 32); - ivg7_13[ivg].istop++; - irq_pos++; + ); + + for (irqn = irqN; irqn < irqN + 4; ++irqn) { + int iar_shift = (irqn & 7) * 4; + if (ivg == (0xf & (iar >> iar_shift))) { + ivg_table[irq_pos].irqno = IVG7 + irqn; + ivg_table[irq_pos].isrflag = 1 << (irqn % 32); + ivg7_13[ivg].istop++; + irq_pos++; + } } } } @@ -662,14 +665,7 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) #ifdef CONFIG_PM int bfin_gpio_set_wake(unsigned int irq, unsigned int state) { - unsigned gpio = irq_to_gpio(irq); - - if (state) - gpio_pm_wakeup_request(gpio, PM_WAKE_IGNORE); - else - gpio_pm_wakeup_free(gpio); - - return 0; + return gpio_pm_wakeup_ctrl(irq_to_gpio(irq), state); } #endif diff --git a/arch/blackfin/mach-common/pm.c b/arch/blackfin/mach-common/pm.c index c1f1ccc846f0..ea7f95f6bb4c 100644 --- a/arch/blackfin/mach-common/pm.c +++ b/arch/blackfin/mach-common/pm.c @@ -20,35 +20,11 @@ #include <asm/dma.h> #include <asm/dpmc.h> -#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_H -#define WAKEUP_TYPE PM_WAKE_HIGH -#endif - -#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_L -#define WAKEUP_TYPE PM_WAKE_LOW -#endif - -#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_EDGE_F -#define WAKEUP_TYPE PM_WAKE_FALLING -#endif - -#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_EDGE_R -#define WAKEUP_TYPE PM_WAKE_RISING -#endif - -#ifdef CONFIG_PM_WAKEUP_GPIO_POLAR_EDGE_B -#define WAKEUP_TYPE PM_WAKE_BOTH_EDGES -#endif - void bfin_pm_suspend_standby_enter(void) { unsigned long flags; -#ifdef CONFIG_PM_WAKEUP_BY_GPIO - gpio_pm_wakeup_request(CONFIG_PM_WAKEUP_GPIO_NUMBER, WAKEUP_TYPE); -#endif - local_irq_save_hw(flags); bfin_pm_standby_setup(); diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c index 7cecbaf0358a..a17107a700d5 100644 --- a/arch/blackfin/mach-common/smp.c +++ b/arch/blackfin/mach-common/smp.c @@ -170,8 +170,8 @@ static irqreturn_t ipi_handler(int irq, void *dev_instance) kfree(msg); break; default: - printk(KERN_CRIT "CPU%u: Unknown IPI message \ - 0x%lx\n", cpu, msg->type); + printk(KERN_CRIT "CPU%u: Unknown IPI message 0x%lx\n", + cpu, msg->type); kfree(msg); break; } diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c index 355b87aa6b93..bb4e8fff4b55 100644 --- a/arch/blackfin/mm/init.c +++ b/arch/blackfin/mm/init.c @@ -15,23 +15,11 @@ #include "blackfin_sram.h" /* - * BAD_PAGE is the page that is used for page faults when linux - * is out-of-memory. Older versions of linux just did a - * do_exit(), but using this instead means there is less risk - * for a process dying in kernel mode, possibly leaving a inode - * unused etc.. - * - * BAD_PAGETABLE is the accompanying page-table: it is initialized - * to point to BAD_PAGE entries. - * - * ZERO_PAGE is a special page that is used for zero-initialized - * data and COW. + * ZERO_PAGE is a special page that is used for zero-initialized data and COW. + * Let the bss do its zero-init magic so we don't have to do it ourselves. */ -static unsigned long empty_bad_page_table; - -static unsigned long empty_bad_page; - -static unsigned long empty_zero_page; +char empty_zero_page[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE))); +EXPORT_SYMBOL(empty_zero_page); #ifndef CONFIG_EXCEPTION_L1_SCRATCH #if defined CONFIG_SYSCALL_TAB_L1 @@ -52,40 +40,26 @@ EXPORT_SYMBOL(cpu_pda); void __init paging_init(void) { /* - * make sure start_mem is page aligned, otherwise bootmem and - * page_alloc get different views og the world + * make sure start_mem is page aligned, otherwise bootmem and + * page_alloc get different views of the world */ unsigned long end_mem = memory_end & PAGE_MASK; - pr_debug("start_mem is %#lx virtual_end is %#lx\n", PAGE_ALIGN(memory_start), end_mem); - - /* - * initialize the bad page table and bad page to point - * to a couple of allocated pages - */ - empty_bad_page_table = (unsigned long)alloc_bootmem_pages(PAGE_SIZE); - empty_bad_page = (unsigned long)alloc_bootmem_pages(PAGE_SIZE); - empty_zero_page = (unsigned long)alloc_bootmem_pages(PAGE_SIZE); - memset((void *)empty_zero_page, 0, PAGE_SIZE); + unsigned long zones_size[MAX_NR_ZONES] = { + [0] = 0, + [ZONE_DMA] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT, + [ZONE_NORMAL] = 0, +#ifdef CONFIG_HIGHMEM + [ZONE_HIGHMEM] = 0, +#endif + }; - /* - * Set up SFC/DFC registers (user data space) - */ + /* Set up SFC/DFC registers (user data space) */ set_fs(KERNEL_DS); - pr_debug("free_area_init -> start_mem is %#lx virtual_end is %#lx\n", + pr_debug("free_area_init -> start_mem is %#lx virtual_end is %#lx\n", PAGE_ALIGN(memory_start), end_mem); - - { - unsigned long zones_size[MAX_NR_ZONES] = { 0, }; - - zones_size[ZONE_DMA] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT; - zones_size[ZONE_NORMAL] = 0; -#ifdef CONFIG_HIGHMEM - zones_size[ZONE_HIGHMEM] = 0; -#endif - free_area_init(zones_size); - } + free_area_init(zones_size); } asmlinkage void __init init_pda(void) diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c index 39b058564f62..7e2e674ed444 100644 --- a/arch/blackfin/mm/isram-driver.c +++ b/arch/blackfin/mm/isram-driver.c @@ -43,13 +43,12 @@ static DEFINE_SPINLOCK(dtest_lock); /* Takes a void pointer */ #define IADDR2DTEST(x) \ ({ unsigned long __addr = (unsigned long)(x); \ - (__addr & 0x47F8) | /* address bits 14 & 10:3 */ \ - (__addr & 0x8000) << 23 | /* Bank A/B */ \ - (__addr & 0x0800) << 15 | /* address bit 11 */ \ - (__addr & 0x3000) << 4 | /* address bits 13:12 */ \ - (__addr & 0x8000) << 8 | /* address bit 15 */ \ - (0x1000000) | /* instruction access = 1 */ \ - (0x4); /* data array = 1 */ \ + ((__addr & (1 << 11)) << (26 - 11)) | /* addr bit 11 (Way0/Way1) */ \ + (1 << 24) | /* instruction access = 1 */ \ + ((__addr & (1 << 15)) << (23 - 15)) | /* addr bit 15 (Data Bank) */ \ + ((__addr & (3 << 12)) << (16 - 12)) | /* addr bits 13:12 (Subbank) */ \ + (__addr & 0x47F8) | /* addr bits 14 & 10:3 */ \ + (1 << 2); /* data array = 1 */ \ }) /* Takes a pointer, and returns the offset (in bits) which things should be shifted */ @@ -196,7 +195,7 @@ EXPORT_SYMBOL(isram_memcpy); #ifdef CONFIG_BFIN_ISRAM_SELF_TEST -#define TEST_LEN 0x100 +static int test_len = 0x20000; static __init void hex_dump(unsigned char *buf, int len) { @@ -212,15 +211,15 @@ static __init int isram_read_test(char *sdram, void *l1inst) pr_info("INFO: running isram_read tests\n"); /* setup some different data to play with */ - for (i = 0; i < TEST_LEN; ++i) - sdram[i] = i; - dma_memcpy(l1inst, sdram, TEST_LEN); + for (i = 0; i < test_len; ++i) + sdram[i] = i % 255; + dma_memcpy(l1inst, sdram, test_len); /* make sure we can read the L1 inst */ - for (i = 0; i < TEST_LEN; i += sizeof(uint64_t)) { + for (i = 0; i < test_len; i += sizeof(uint64_t)) { data1 = isram_read(l1inst + i); memcpy(&data2, sdram + i, sizeof(data2)); - if (memcmp(&data1, &data2, sizeof(uint64_t))) { + if (data1 != data2) { pr_err("FAIL: isram_read(%p) returned %#llx but wanted %#llx\n", l1inst + i, data1, data2); ++ret; @@ -238,25 +237,25 @@ static __init int isram_write_test(char *sdram, void *l1inst) pr_info("INFO: running isram_write tests\n"); /* setup some different data to play with */ - memset(sdram, 0, TEST_LEN * 2); - dma_memcpy(l1inst, sdram, TEST_LEN); - for (i = 0; i < TEST_LEN; ++i) - sdram[i] = i; + memset(sdram, 0, test_len * 2); + dma_memcpy(l1inst, sdram, test_len); + for (i = 0; i < test_len; ++i) + sdram[i] = i % 255; /* make sure we can write the L1 inst */ - for (i = 0; i < TEST_LEN; i += sizeof(uint64_t)) { + for (i = 0; i < test_len; i += sizeof(uint64_t)) { memcpy(&data1, sdram + i, sizeof(data1)); isram_write(l1inst + i, data1); data2 = isram_read(l1inst + i); - if (memcmp(&data1, &data2, sizeof(uint64_t))) { + if (data1 != data2) { pr_err("FAIL: isram_write(%p, %#llx) != %#llx\n", l1inst + i, data1, data2); ++ret; } } - dma_memcpy(sdram + TEST_LEN, l1inst, TEST_LEN); - if (memcmp(sdram, sdram + TEST_LEN, TEST_LEN)) { + dma_memcpy(sdram + test_len, l1inst, test_len); + if (memcmp(sdram, sdram + test_len, test_len)) { pr_err("FAIL: isram_write() did not work properly\n"); ++ret; } @@ -268,12 +267,12 @@ static __init int _isram_memcpy_test(char pattern, void *sdram, void *l1inst, const char *smemcpy, void *(*fmemcpy)(void *, const void *, size_t)) { - memset(sdram, pattern, TEST_LEN); - fmemcpy(l1inst, sdram, TEST_LEN); - fmemcpy(sdram + TEST_LEN, l1inst, TEST_LEN); - if (memcmp(sdram, sdram + TEST_LEN, TEST_LEN)) { + memset(sdram, pattern, test_len); + fmemcpy(l1inst, sdram, test_len); + fmemcpy(sdram + test_len, l1inst, test_len); + if (memcmp(sdram, sdram + test_len, test_len)) { pr_err("FAIL: %s(%p <=> %p, %#x) failed (data is %#x)\n", - smemcpy, l1inst, sdram, TEST_LEN, pattern); + smemcpy, l1inst, sdram, test_len, pattern); return 1; } return 0; @@ -292,12 +291,13 @@ static __init int isram_memcpy_test(char *sdram, void *l1inst) /* check read of small, unaligned, and hardware 64bit limits */ pr_info("INFO: running isram_memcpy (read) tests\n"); - for (i = 0; i < TEST_LEN; ++i) - sdram[i] = i; - dma_memcpy(l1inst, sdram, TEST_LEN); + /* setup some different data to play with */ + for (i = 0; i < test_len; ++i) + sdram[i] = i % 255; + dma_memcpy(l1inst, sdram, test_len); thisret = 0; - for (i = 0; i < TEST_LEN - 32; ++i) { + for (i = 0; i < test_len - 32; ++i) { unsigned char cmp[32]; for (j = 1; j <= 32; ++j) { memset(cmp, 0, sizeof(cmp)); @@ -310,7 +310,7 @@ static __init int isram_memcpy_test(char *sdram, void *l1inst) pr_cont("\n"); if (++thisret > 20) { pr_err("FAIL: skipping remaining series\n"); - i = TEST_LEN; + i = test_len; break; } } @@ -321,11 +321,11 @@ static __init int isram_memcpy_test(char *sdram, void *l1inst) /* check write of small, unaligned, and hardware 64bit limits */ pr_info("INFO: running isram_memcpy (write) tests\n"); - memset(sdram + TEST_LEN, 0, TEST_LEN); - dma_memcpy(l1inst, sdram + TEST_LEN, TEST_LEN); + memset(sdram + test_len, 0, test_len); + dma_memcpy(l1inst, sdram + test_len, test_len); thisret = 0; - for (i = 0; i < TEST_LEN - 32; ++i) { + for (i = 0; i < test_len - 32; ++i) { unsigned char cmp[32]; for (j = 1; j <= 32; ++j) { isram_memcpy(l1inst + i, sdram + i, j); @@ -338,7 +338,7 @@ static __init int isram_memcpy_test(char *sdram, void *l1inst) pr_cont("\n"); if (++thisret > 20) { pr_err("FAIL: skipping remaining series\n"); - i = TEST_LEN; + i = test_len; break; } } @@ -355,22 +355,30 @@ static __init int isram_test_init(void) char *sdram; void *l1inst; - sdram = kmalloc(TEST_LEN * 2, GFP_KERNEL); - if (!sdram) { - pr_warning("SKIP: could not allocate sdram\n"); - return 0; + /* Try to test as much of L1SRAM as possible */ + while (test_len) { + test_len >>= 1; + l1inst = l1_inst_sram_alloc(test_len); + if (l1inst) + break; } - - l1inst = l1_inst_sram_alloc(TEST_LEN); if (!l1inst) { - kfree(sdram); pr_warning("SKIP: could not allocate L1 inst\n"); return 0; } + pr_info("INFO: testing %#x bytes (%p - %p)\n", + test_len, l1inst, l1inst + test_len); + + sdram = kmalloc(test_len * 2, GFP_KERNEL); + if (!sdram) { + sram_free(l1inst); + pr_warning("SKIP: could not allocate sdram\n"); + return 0; + } /* sanity check initial L1 inst state */ ret = 1; - pr_info("INFO: running initial dma_memcpy checks\n"); + pr_info("INFO: running initial dma_memcpy checks %p\n", sdram); if (_isram_memcpy_test(0xa, sdram, l1inst, dma_memcpy)) goto abort; if (_isram_memcpy_test(0x5, sdram, l1inst, dma_memcpy)) diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c index 49b2ff2c8b74..627e04b5ba9a 100644 --- a/arch/blackfin/mm/sram-alloc.c +++ b/arch/blackfin/mm/sram-alloc.c @@ -256,7 +256,8 @@ static void *_sram_alloc(size_t size, struct sram_piece *pfree_head, plast->next = pslot->next; pavail = pslot; } else { - pavail = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); + /* use atomic so our L1 allocator can be used atomically */ + pavail = kmem_cache_alloc(sram_piece_cache, GFP_ATOMIC); if (!pavail) return NULL; |