diff options
Diffstat (limited to 'arch/blackfin/include/asm')
| -rw-r--r-- | arch/blackfin/include/asm/bfin-global.h | 6 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/bfin5xx_spi.h | 1 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/bfin_rotary.h | 39 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/cplb.h | 46 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/early_printk.h | 24 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/elf.h | 2 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/entry.h | 30 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/ftrace.h | 2 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/ipipe.h | 7 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/irq_handler.h | 1 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/mmu_context.h | 6 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/pda.h | 7 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/sections.h | 38 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/unistd.h | 2 |
14 files changed, 184 insertions, 27 deletions
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index e39277e..aef0594 100644 --- a/arch/blackfin/include/asm/bfin-global.h +++ b/arch/blackfin/include/asm/bfin-global.h @@ -66,7 +66,6 @@ extern void program_IAR(void); extern asmlinkage void lower_to_irq14(void); extern asmlinkage void bfin_return_from_exception(void); -extern asmlinkage void evt14_softirq(void); extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs); extern int bfin_internal_set_wake(unsigned int irq, unsigned int state); @@ -100,11 +99,6 @@ extern unsigned long bfin_sic_iwr[]; extern unsigned vr_wakeup; extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */ -#ifdef CONFIG_BFIN_ICACHE_LOCK -extern void cache_grab_lock(int way); -extern void bfin_cache_lock(int way); -#endif - #endif #endif /* _BLACKFIN_H_ */ diff --git a/arch/blackfin/include/asm/bfin5xx_spi.h b/arch/blackfin/include/asm/bfin5xx_spi.h index aaeb4df..c281c63 100644 --- a/arch/blackfin/include/asm/bfin5xx_spi.h +++ b/arch/blackfin/include/asm/bfin5xx_spi.h @@ -127,6 +127,7 @@ struct bfin5xx_spi_chip { u32 cs_gpio; /* Value to send if no TX value is supplied, usually 0x0 or 0xFFFF */ u16 idle_tx_val; + u8 pio_interrupt; /* Enable spi data irq */ }; #endif /* _SPI_CHANNEL_H_ */ diff --git a/arch/blackfin/include/asm/bfin_rotary.h b/arch/blackfin/include/asm/bfin_rotary.h new file mode 100644 index 0000000..425ece6 --- /dev/null +++ b/arch/blackfin/include/asm/bfin_rotary.h @@ -0,0 +1,39 @@ +/* + * board initialization should put one of these structures into platform_data + * and place the bfin-rotary onto platform_bus named "bfin-rotary". + */ + +#ifndef _BFIN_ROTARY_H +#define _BFIN_ROTARY_H + +/* mode bitmasks */ +#define ROT_QUAD_ENC CNTMODE_QUADENC /* quadrature/grey code encoder mode */ +#define ROT_BIN_ENC CNTMODE_BINENC /* binary encoder mode */ +#define ROT_UD_CNT CNTMODE_UDCNT /* rotary counter mode */ +#define ROT_DIR_CNT CNTMODE_DIRCNT /* direction counter mode */ + +#define ROT_DEBE DEBE /* Debounce Enable */ + +#define ROT_CDGINV CDGINV /* CDG Pin Polarity Invert */ +#define ROT_CUDINV CUDINV /* CUD Pin Polarity Invert */ +#define ROT_CZMINV CZMINV /* CZM Pin Polarity Invert */ + +struct bfin_rotary_platform_data { + /* set rotary UP KEY_### or BTN_### in case you prefer + * bfin-rotary to send EV_KEY otherwise set 0 + */ + unsigned int rotary_up_key; + /* set rotary DOWN KEY_### or BTN_### in case you prefer + * bfin-rotary to send EV_KEY otherwise set 0 + */ + unsigned int rotary_down_key; + /* set rotary BUTTON KEY_### or BTN_### */ + unsigned int rotary_button_key; + /* set rotary Relative Axis REL_### in case you prefer + * bfin-rotary to send EV_REL otherwise set 0 + */ + unsigned int rotary_rel_code; + unsigned short debounce; /* 0..17 */ + unsigned short mode; +}; +#endif diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h index c5dacf8..d18d168 100644 --- a/arch/blackfin/include/asm/cplb.h +++ b/arch/blackfin/include/asm/cplb.h @@ -125,4 +125,48 @@ #define FAULT_USERSUPV (1 << 17) #define FAULT_CPLBBITS 0x0000ffff -#endif /* _CPLB_H */ +#ifndef __ASSEMBLY__ + +static inline void _disable_cplb(u32 mmr, u32 mask) +{ + u32 ctrl = bfin_read32(mmr) & ~mask; + /* CSYNC to ensure load store ordering */ + __builtin_bfin_csync(); + bfin_write32(mmr, ctrl); + __builtin_bfin_ssync(); +} +static inline void disable_cplb(u32 mmr, u32 mask) +{ + u32 ctrl = bfin_read32(mmr) & ~mask; + CSYNC(); + bfin_write32(mmr, ctrl); + SSYNC(); +} +#define _disable_dcplb() _disable_cplb(DMEM_CONTROL, ENDCPLB) +#define disable_dcplb() disable_cplb(DMEM_CONTROL, ENDCPLB) +#define _disable_icplb() _disable_cplb(IMEM_CONTROL, ENICPLB) +#define disable_icplb() disable_cplb(IMEM_CONTROL, ENICPLB) + +static inline void _enable_cplb(u32 mmr, u32 mask) +{ + u32 ctrl = bfin_read32(mmr) | mask; + /* CSYNC to ensure load store ordering */ + __builtin_bfin_csync(); + bfin_write32(mmr, ctrl); + __builtin_bfin_ssync(); +} +static inline void enable_cplb(u32 mmr, u32 mask) +{ + u32 ctrl = bfin_read32(mmr) | mask; + CSYNC(); + bfin_write32(mmr, ctrl); + SSYNC(); +} +#define _enable_dcplb() _enable_cplb(DMEM_CONTROL, ENDCPLB) +#define enable_dcplb() enable_cplb(DMEM_CONTROL, ENDCPLB) +#define _enable_icplb() _enable_cplb(IMEM_CONTROL, ENICPLB) +#define enable_icplb() enable_cplb(IMEM_CONTROL, ENICPLB) + +#endif /* __ASSEMBLY__ */ + +#endif /* _CPLB_H */ diff --git a/arch/blackfin/include/asm/early_printk.h b/arch/blackfin/include/asm/early_printk.h index 110f1c1..53a762b 100644 --- a/arch/blackfin/include/asm/early_printk.h +++ b/arch/blackfin/include/asm/early_printk.h @@ -21,8 +21,32 @@ * GNU General Public License for more details. */ + +#ifndef __ASM_EARLY_PRINTK_H__ +#define __ASM_EARLY_PRINTK_H__ + #ifdef CONFIG_EARLY_PRINTK +/* For those that don't include it already */ +#include <linux/console.h> + extern int setup_early_printk(char *); +extern void enable_shadow_console(void); +extern int shadow_console_enabled(void); +extern void mark_shadow_error(void); +extern void early_shadow_reg(unsigned long reg, unsigned int n); +extern void early_shadow_write(struct console *con, const char *s, + unsigned int n) __attribute__((nonnull(2))); +#define early_shadow_puts(str) early_shadow_write(NULL, str, strlen(str)) +#define early_shadow_stamp() \ + do { \ + early_shadow_puts(__FILE__ " : " __stringify(__LINE__) " ["); \ + early_shadow_puts(__func__); \ + early_shadow_puts("]\n"); \ + } while (0) #else #define setup_early_printk(fmt) do { } while (0) +#define enable_shadow_console(fmt) do { } while (0) +#define early_shadow_stamp() do { } while (0) #endif /* CONFIG_EARLY_PRINTK */ + +#endif /* __ASM_EARLY_PRINTK_H__ */ diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h index 5a87baf..c823e8e 100644 --- a/arch/blackfin/include/asm/elf.h +++ b/arch/blackfin/include/asm/elf.h @@ -23,7 +23,7 @@ typedef unsigned long elf_greg_t; #define ELF_NGREG 40 /* (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) */ typedef elf_greg_t elf_gregset_t[ELF_NGREG]; -typedef struct user_bfinfp_struct elf_fpregset_t; +typedef struct { } elf_fpregset_t; /* * This is used to ensure we don't load something for the wrong architecture. */ diff --git a/arch/blackfin/include/asm/entry.h b/arch/blackfin/include/asm/entry.h index ec58efc..55b808f 100644 --- a/arch/blackfin/include/asm/entry.h +++ b/arch/blackfin/include/asm/entry.h @@ -36,6 +36,21 @@ # define LOAD_IPIPE_IPEND #endif +/* + * Workaround for anomalies 05000283 and 05000315 + */ +#if ANOMALY_05000283 || ANOMALY_05000315 +# define ANOMALY_283_315_WORKAROUND(preg, dreg) \ + cc = dreg == dreg; \ + preg.h = HI(CHIPID); \ + preg.l = LO(CHIPID); \ + if cc jump 1f; \ + dreg.l = W[preg]; \ +1: +#else +# define ANOMALY_283_315_WORKAROUND(preg, dreg) +#endif /* ANOMALY_05000283 || ANOMALY_05000315 */ + #ifndef CONFIG_EXACT_HWERR /* As a debugging aid - we save IPEND when DEBUG_KERNEL is on, * otherwise it is a waste of cycles. @@ -88,17 +103,22 @@ * As you can see by the code - we actually need to do two SSYNCS - one to * make sure the read/writes complete, and another to make sure the hardware * error is recognized by the core. + * + * The extra nop before the SSYNC is to make sure we work around 05000244, + * since the 283/315 workaround includes a branch to the end */ #define INTERRUPT_ENTRY(N) \ - SSYNC; \ - SSYNC; \ [--sp] = SYSCFG; \ [--sp] = P0; /*orig_p0*/ \ [--sp] = R0; /*orig_r0*/ \ [--sp] = (R7:0,P5:0); \ R1 = ASTAT; \ + ANOMALY_283_315_WORKAROUND(p0, r0) \ P0.L = LO(ILAT); \ P0.H = HI(ILAT); \ + NOP; \ + SSYNC; \ + SSYNC; \ R0 = [P0]; \ CC = BITTST(R0, EVT_IVHW_P); \ IF CC JUMP 1f; \ @@ -118,15 +138,17 @@ RTI; #define TIMER_INTERRUPT_ENTRY(N) \ - SSYNC; \ - SSYNC; \ [--sp] = SYSCFG; \ [--sp] = P0; /*orig_p0*/ \ [--sp] = R0; /*orig_r0*/ \ [--sp] = (R7:0,P5:0); \ R1 = ASTAT; \ + ANOMALY_283_315_WORKAROUND(p0, r0) \ P0.L = LO(ILAT); \ P0.H = HI(ILAT); \ + NOP; \ + SSYNC; \ + SSYNC; \ R0 = [P0]; \ CC = BITTST(R0, EVT_IVHW_P); \ IF CC JUMP 1f; \ diff --git a/arch/blackfin/include/asm/ftrace.h b/arch/blackfin/include/asm/ftrace.h index 8643680..90c9b40 100644 --- a/arch/blackfin/include/asm/ftrace.h +++ b/arch/blackfin/include/asm/ftrace.h @@ -8,6 +8,6 @@ #ifndef __ASM_BFIN_FTRACE_H__ #define __ASM_BFIN_FTRACE_H__ -#define MCOUNT_INSN_SIZE 8 /* sizeof mcount call: LINK + CALL */ +#define MCOUNT_INSN_SIZE 6 /* sizeof "[++sp] = rets; call __mcount;" */ #endif diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h index 87ba9ad..4617ba6 100644 --- a/arch/blackfin/include/asm/ipipe.h +++ b/arch/blackfin/include/asm/ipipe.h @@ -145,10 +145,6 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs); int __ipipe_get_irq_priority(unsigned irq); -void __ipipe_stall_root_raw(void); - -void __ipipe_unstall_root_raw(void); - void __ipipe_serial_debug(const char *fmt, ...); asmlinkage void __ipipe_call_irqtail(unsigned long addr); @@ -234,9 +230,6 @@ int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc); #define task_hijacked(p) 0 #define ipipe_trap_notify(t, r) 0 -#define __ipipe_stall_root_raw() do { } while (0) -#define __ipipe_unstall_root_raw() do { } while (0) - #define ipipe_init_irq_threads() do { } while (0) #define ipipe_start_irq_thread(irq, desc) 0 diff --git a/arch/blackfin/include/asm/irq_handler.h b/arch/blackfin/include/asm/irq_handler.h index 139b520..7d9e2d3 100644 --- a/arch/blackfin/include/asm/irq_handler.h +++ b/arch/blackfin/include/asm/irq_handler.h @@ -17,6 +17,7 @@ asmlinkage void evt_evt10(void); asmlinkage void evt_evt11(void); asmlinkage void evt_evt12(void); asmlinkage void evt_evt13(void); +asmlinkage void evt_evt14(void); asmlinkage void evt_soft_int1(void); asmlinkage void evt_system_call(void); asmlinkage void init_exception_buff(void); diff --git a/arch/blackfin/include/asm/mmu_context.h b/arch/blackfin/include/asm/mmu_context.h index 944e29f..040410b 100644 --- a/arch/blackfin/include/asm/mmu_context.h +++ b/arch/blackfin/include/asm/mmu_context.h @@ -127,17 +127,17 @@ static inline void protect_page(struct mm_struct *mm, unsigned long addr, unsigned long idx = page >> 5; unsigned long bit = 1 << (page & 31); - if (flags & VM_MAYREAD) + if (flags & VM_READ) mask[idx] |= bit; else mask[idx] &= ~bit; mask += page_mask_nelts; - if (flags & VM_MAYWRITE) + if (flags & VM_WRITE) mask[idx] |= bit; else mask[idx] &= ~bit; mask += page_mask_nelts; - if (flags & VM_MAYEXEC) + if (flags & VM_EXEC) mask[idx] |= bit; else mask[idx] &= ~bit; diff --git a/arch/blackfin/include/asm/pda.h b/arch/blackfin/include/asm/pda.h index b42555c..a6f9569 100644 --- a/arch/blackfin/include/asm/pda.h +++ b/arch/blackfin/include/asm/pda.h @@ -50,6 +50,7 @@ struct blackfin_pda { /* Per-processor Data Area */ unsigned long ex_optr; unsigned long ex_buf[4]; unsigned long ex_imask; /* Saved imask from exception */ + unsigned long ex_ipend; /* Saved IPEND from exception */ unsigned long *ex_stack; /* Exception stack space */ #ifdef ANOMALY_05000261 @@ -60,6 +61,12 @@ struct blackfin_pda { /* Per-processor Data Area */ unsigned long retx; unsigned long seqstat; unsigned int __nmi_count; /* number of times NMI asserted on this CPU */ +#ifdef CONFIG_DEBUG_DOUBLEFAULT + unsigned long dcplb_doublefault_addr; + unsigned long icplb_doublefault_addr; + unsigned long retx_doublefault; + unsigned long seqstat_doublefault; +#endif }; extern struct blackfin_pda cpu_pda[]; diff --git a/arch/blackfin/include/asm/sections.h b/arch/blackfin/include/asm/sections.h index e7fd0ec..ae4dae1 100644 --- a/arch/blackfin/include/asm/sections.h +++ b/arch/blackfin/include/asm/sections.h @@ -1,9 +1,6 @@ #ifndef _BLACKFIN_SECTIONS_H #define _BLACKFIN_SECTIONS_H -/* nothing to see, move along */ -#include <asm-generic/sections.h> - /* only used when MTD_UCLINUX */ extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size; @@ -15,4 +12,39 @@ extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[], _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[], _ebss_l2[], _l2_lma_start[]; +#include <asm/mem_map.h> + +/* Blackfin systems have discontinuous memory map and no virtualized memory */ +static inline int arch_is_kernel_text(unsigned long addr) +{ + return + (L1_CODE_LENGTH && + addr >= (unsigned long)_stext_l1 && + addr < (unsigned long)_etext_l1) + || + (L2_LENGTH && + addr >= (unsigned long)_stext_l2 && + addr < (unsigned long)_etext_l2); +} +#define arch_is_kernel_text(addr) arch_is_kernel_text(addr) + +static inline int arch_is_kernel_data(unsigned long addr) +{ + return + (L1_DATA_A_LENGTH && + addr >= (unsigned long)_sdata_l1 && + addr < (unsigned long)_ebss_l1) + || + (L1_DATA_B_LENGTH && + addr >= (unsigned long)_sdata_b_l1 && + addr < (unsigned long)_ebss_b_l1) + || + (L2_LENGTH && + addr >= (unsigned long)_sdata_l2 && + addr < (unsigned long)_ebss_l2); +} +#define arch_is_kernel_data(addr) arch_is_kernel_data(addr) + +#include <asm-generic/sections.h> + #endif diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h index c8e7ee4..02b1529 100644 --- a/arch/blackfin/include/asm/unistd.h +++ b/arch/blackfin/include/asm/unistd.h @@ -381,7 +381,7 @@ #define __NR_preadv 366 #define __NR_pwritev 367 #define __NR_rt_tgsigqueueinfo 368 -#define __NR_perf_counter_open 369 +#define __NR_perf_event_open 369 #define __NR_syscall 370 #define NR_syscalls __NR_syscall |