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-rw-r--r--arch/blackfin/include/asm/atomic.h2
-rw-r--r--arch/blackfin/include/asm/bitsperlong.h1
-rw-r--r--arch/blackfin/include/asm/cacheflush.h40
-rw-r--r--arch/blackfin/include/asm/cplb.h35
-rw-r--r--arch/blackfin/include/asm/dma.h10
-rw-r--r--arch/blackfin/include/asm/elf.h84
-rw-r--r--arch/blackfin/include/asm/entry.h92
-rw-r--r--arch/blackfin/include/asm/gptimers.h43
-rw-r--r--arch/blackfin/include/asm/io.h29
-rw-r--r--arch/blackfin/include/asm/ipipe.h4
-rw-r--r--arch/blackfin/include/asm/page.h2
-rw-r--r--arch/blackfin/include/asm/pda.h2
-rw-r--r--arch/blackfin/include/asm/processor.h4
-rw-r--r--arch/blackfin/include/asm/signal.h2
-rw-r--r--arch/blackfin/include/asm/time.h1
-rw-r--r--arch/blackfin/include/asm/uaccess.h32
16 files changed, 249 insertions, 134 deletions
diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h
index 94b2a9b1945..7bbf44e4ddf 100644
--- a/arch/blackfin/include/asm/atomic.h
+++ b/arch/blackfin/include/asm/atomic.h
@@ -208,6 +208,6 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)
#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
-#include <asm-generic/atomic.h>
+#include <asm-generic/atomic-long.h>
#endif /* __ARCH_BLACKFIN_ATOMIC __ */
diff --git a/arch/blackfin/include/asm/bitsperlong.h b/arch/blackfin/include/asm/bitsperlong.h
new file mode 100644
index 00000000000..6dc0bb0c13b
--- /dev/null
+++ b/arch/blackfin/include/asm/bitsperlong.h
@@ -0,0 +1 @@
+#include <asm-generic/bitsperlong.h>
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h
index 1b040f5b4fe..94697f0f6f4 100644
--- a/arch/blackfin/include/asm/cacheflush.h
+++ b/arch/blackfin/include/asm/cacheflush.h
@@ -30,7 +30,8 @@
#ifndef _BLACKFIN_CACHEFLUSH_H
#define _BLACKFIN_CACHEFLUSH_H
-extern void blackfin_icache_dcache_flush_range(unsigned long start_address, unsigned long end_address);
+#include <asm/blackfin.h> /* for SSYNC() */
+
extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address);
extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address);
extern void blackfin_dcache_invalidate_range(unsigned long start_address, unsigned long end_address);
@@ -54,32 +55,28 @@ extern void blackfin_invalidate_entire_dcache(void);
static inline void flush_icache_range(unsigned start, unsigned end)
{
-#if defined(CONFIG_BFIN_DCACHE) && defined(CONFIG_BFIN_ICACHE)
-
-# if defined(CONFIG_BFIN_WT)
- blackfin_icache_flush_range((start), (end));
- flush_icache_range_others(start, end);
-# else
- blackfin_icache_dcache_flush_range((start), (end));
-# endif
-
-#else
+#if defined(CONFIG_BFIN_WB)
+ blackfin_dcache_flush_range(start, end);
+#endif
-# if defined(CONFIG_BFIN_ICACHE)
- blackfin_icache_flush_range((start), (end));
+ /* Make sure all write buffers in the data side of the core
+ * are flushed before trying to invalidate the icache. This
+ * needs to be after the data flush and before the icache
+ * flush so that the SSYNC does the right thing in preventing
+ * the instruction prefetcher from hitting things in cached
+ * memory at the wrong time -- it runs much further ahead than
+ * the pipeline.
+ */
+ SSYNC();
+#if defined(CONFIG_BFIN_ICACHE)
+ blackfin_icache_flush_range(start, end);
flush_icache_range_others(start, end);
-# endif
-# if defined(CONFIG_BFIN_DCACHE)
- blackfin_dcache_flush_range((start), (end));
-# endif
-
#endif
}
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { memcpy(dst, src, len); \
flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
- flush_icache_range_others((unsigned long) (dst), (unsigned long) (dst) + (len));\
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) memcpy(dst, src, len)
@@ -111,6 +108,11 @@ static inline int bfin_addr_dcachable(unsigned long addr)
addr >= _ramend && addr < physical_mem_end)
return 1;
+#ifndef CONFIG_BFIN_L2_NOT_CACHED
+ if (addr >= L2_START && addr < L2_START + L2_LENGTH)
+ return 1;
+#endif
+
return 0;
}
diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h
index ad566ff9ad1..a75a6a9f094 100644
--- a/arch/blackfin/include/asm/cplb.h
+++ b/arch/blackfin/include/asm/cplb.h
@@ -53,29 +53,32 @@
#define SDRAM_DGENERIC (CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_COMMON)
#endif
+#define SDRAM_DNON_CHBL (CPLB_COMMON)
+#define SDRAM_EBIU (CPLB_COMMON)
+#define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY)
+
#define L1_DMEMORY (CPLB_LOCK | CPLB_COMMON)
#ifdef CONFIG_SMP
-#define L2_ATTR (INITIAL_T | I_CPLB | D_CPLB)
-#define L2_IMEMORY (CPLB_COMMON | CPLB_LOCK)
-#define L2_DMEMORY (CPLB_COMMON | CPLB_LOCK)
+#define L2_ATTR (INITIAL_T | I_CPLB | D_CPLB)
+#define L2_IMEMORY (CPLB_COMMON)
+#define L2_DMEMORY (CPLB_LOCK | CPLB_COMMON)
#else
-#ifdef CONFIG_BFIN_L2_CACHEABLE
-#define L2_IMEMORY (SDRAM_IGENERIC)
-#define L2_DMEMORY (SDRAM_DGENERIC)
-#else
-#define L2_IMEMORY (CPLB_COMMON)
-#define L2_DMEMORY (CPLB_COMMON)
-#endif /* CONFIG_BFIN_L2_CACHEABLE */
-
-#define L2_ATTR (INITIAL_T | SWITCH_T | I_CPLB | D_CPLB)
+#define L2_ATTR (INITIAL_T | SWITCH_T | I_CPLB | D_CPLB)
+#define L2_IMEMORY (SDRAM_IGENERIC)
+
+# if defined(CONFIG_BFIN_L2_WB)
+# define L2_DMEMORY (CPLB_L1_CHBL | CPLB_COMMON)
+# elif defined(CONFIG_BFIN_L2_WT)
+# define L2_DMEMORY (CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_COMMON)
+# elif defined(CONFIG_BFIN_L2_NOT_CACHED)
+# define L2_DMEMORY (CPLB_COMMON)
+# else
+# define L2_DMEMORY (0)
+# endif
#endif /* CONFIG_SMP */
-#define SDRAM_DNON_CHBL (CPLB_COMMON)
-#define SDRAM_EBIU (CPLB_COMMON)
-#define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY)
-
#define SIZE_1K 0x00000400 /* 1K */
#define SIZE_4K 0x00001000 /* 4K */
#define SIZE_1M 0x00100000 /* 1M */
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index e4f7b8043f0..c9a59622e23 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -206,10 +206,16 @@ static inline unsigned long get_dma_curr_addr(unsigned int channel)
static inline void set_dma_sg(unsigned int channel, struct dmasg *sg, int ndsize)
{
+ /* Make sure the internal data buffers in the core are drained
+ * so that the DMA descriptors are completely written when the
+ * DMA engine goes to fetch them below.
+ */
+ SSYNC();
+
+ dma_ch[channel].regs->next_desc_ptr = sg;
dma_ch[channel].regs->cfg =
(dma_ch[channel].regs->cfg & ~(0xf << 8)) |
((ndsize & 0xf) << 8);
- dma_ch[channel].regs->next_desc_ptr = sg;
}
static inline int dma_channel_active(unsigned int channel)
@@ -253,5 +259,7 @@ static inline void clear_dma_irqstat(unsigned int channel)
void *dma_memcpy(void *dest, const void *src, size_t count);
void *safe_dma_memcpy(void *dest, const void *src, size_t count);
void blackfin_dma_early_init(void);
+void early_dma_memcpy(void *dest, const void *src, size_t count);
+void early_dma_memcpy_done(void);
#endif
diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h
index cdbfcfc30f6..230e1605d3f 100644
--- a/arch/blackfin/include/asm/elf.h
+++ b/arch/blackfin/include/asm/elf.h
@@ -55,50 +55,50 @@ do { \
#define ELF_FDPIC_CORE_EFLAGS EF_BFIN_FDPIC
#define ELF_EXEC_PAGESIZE 4096
-#define R_unused0 0 /* relocation type 0 is not defined */
-#define R_pcrel5m2 1 /*LSETUP part a */
-#define R_unused1 2 /* relocation type 2 is not defined */
-#define R_pcrel10 3 /* type 3, if cc jump <target> */
-#define R_pcrel12_jump 4 /* type 4, jump <target> */
-#define R_rimm16 5 /* type 0x5, rN = <target> */
-#define R_luimm16 6 /* # 0x6, preg.l=<target> Load imm 16 to lower half */
-#define R_huimm16 7 /* # 0x7, preg.h=<target> Load imm 16 to upper half */
-#define R_pcrel12_jump_s 8 /* # 0x8 jump.s <target> */
-#define R_pcrel24_jump_x 9 /* # 0x9 jump.x <target> */
-#define R_pcrel24 10 /* # 0xa call <target> , not expandable */
-#define R_unusedb 11 /* # 0xb not generated */
-#define R_unusedc 12 /* # 0xc not used */
-#define R_pcrel24_jump_l 13 /*0xd jump.l <target> */
-#define R_pcrel24_call_x 14 /* 0xE, call.x <target> if <target> is above 24 bit limit call through P1 */
-#define R_var_eq_symb 15 /* 0xf, linker should treat it same as 0x12 */
-#define R_byte_data 16 /* 0x10, .byte var = symbol */
-#define R_byte2_data 17 /* 0x11, .byte2 var = symbol */
-#define R_byte4_data 18 /* 0x12, .byte4 var = symbol and .var var=symbol */
-#define R_pcrel11 19 /* 0x13, lsetup part b */
-#define R_unused14 20 /* 0x14, undefined */
-#define R_unused15 21 /* not generated by VDSP 3.5 */
+#define R_BFIN_UNUSED0 0 /* relocation type 0 is not defined */
+#define R_BFIN_PCREL5M2 1 /* LSETUP part a */
+#define R_BFIN_UNUSED1 2 /* relocation type 2 is not defined */
+#define R_BFIN_PCREL10 3 /* type 3, if cc jump <target> */
+#define R_BFIN_PCREL12_JUMP 4 /* type 4, jump <target> */
+#define R_BFIN_RIMM16 5 /* type 0x5, rN = <target> */
+#define R_BFIN_LUIMM16 6 /* # 0x6, preg.l=<target> Load imm 16 to lower half */
+#define R_BFIN_HUIMM16 7 /* # 0x7, preg.h=<target> Load imm 16 to upper half */
+#define R_BFIN_PCREL12_JUMP_S 8 /* # 0x8 jump.s <target> */
+#define R_BFIN_PCREL24_JUMP_X 9 /* # 0x9 jump.x <target> */
+#define R_BFIN_PCREL24 10 /* # 0xa call <target> , not expandable */
+#define R_BFIN_UNUSEDB 11 /* # 0xb not generated */
+#define R_BFIN_UNUSEDC 12 /* # 0xc not used */
+#define R_BFIN_PCREL24_JUMP_L 13 /* 0xd jump.l <target> */
+#define R_BFIN_PCREL24_CALL_X 14 /* 0xE, call.x <target> if <target> is above 24 bit limit call through P1 */
+#define R_BFIN_VAR_EQ_SYMB 15 /* 0xf, linker should treat it same as 0x12 */
+#define R_BFIN_BYTE_DATA 16 /* 0x10, .byte var = symbol */
+#define R_BFIN_BYTE2_DATA 17 /* 0x11, .byte2 var = symbol */
+#define R_BFIN_BYTE4_DATA 18 /* 0x12, .byte4 var = symbol and .var var=symbol */
+#define R_BFIN_PCREL11 19 /* 0x13, lsetup part b */
+#define R_BFIN_UNUSED14 20 /* 0x14, undefined */
+#define R_BFIN_UNUSED15 21 /* not generated by VDSP 3.5 */
/* arithmetic relocations */
-#define R_push 0xE0
-#define R_const 0xE1
-#define R_add 0xE2
-#define R_sub 0xE3
-#define R_mult 0xE4
-#define R_div 0xE5
-#define R_mod 0xE6
-#define R_lshift 0xE7
-#define R_rshift 0xE8
-#define R_and 0xE9
-#define R_or 0xEA
-#define R_xor 0xEB
-#define R_land 0xEC
-#define R_lor 0xED
-#define R_len 0xEE
-#define R_neg 0xEF
-#define R_comp 0xF0
-#define R_page 0xF1
-#define R_hwpage 0xF2
-#define R_addr 0xF3
+#define R_BFIN_PUSH 0xE0
+#define R_BFIN_CONST 0xE1
+#define R_BFIN_ADD 0xE2
+#define R_BFIN_SUB 0xE3
+#define R_BFIN_MULT 0xE4
+#define R_BFIN_DIV 0xE5
+#define R_BFIN_MOD 0xE6
+#define R_BFIN_LSHIFT 0xE7
+#define R_BFIN_RSHIFT 0xE8
+#define R_BFIN_AND 0xE9
+#define R_BFIN_OR 0xEA
+#define R_BFIN_XOR 0xEB
+#define R_BFIN_LAND 0xEC
+#define R_BFIN_LOR 0xED
+#define R_BFIN_LEN 0xEE
+#define R_BFIN_NEG 0xEF
+#define R_BFIN_COMP 0xF0
+#define R_BFIN_PAGE 0xF1
+#define R_BFIN_HWPAGE 0xF2
+#define R_BFIN_ADDR 0xF3
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
use of this is to invoke "./ld.so someprog" to test out a new version of
diff --git a/arch/blackfin/include/asm/entry.h b/arch/blackfin/include/asm/entry.h
index b30a2968e27..ec58efc130e 100644
--- a/arch/blackfin/include/asm/entry.h
+++ b/arch/blackfin/include/asm/entry.h
@@ -35,21 +35,39 @@
#else
# define LOAD_IPIPE_IPEND
#endif
+
+#ifndef CONFIG_EXACT_HWERR
+/* As a debugging aid - we save IPEND when DEBUG_KERNEL is on,
+ * otherwise it is a waste of cycles.
+ */
+# ifndef CONFIG_DEBUG_KERNEL
+#define INTERRUPT_ENTRY(N) \
+ [--sp] = SYSCFG; \
+ [--sp] = P0; /*orig_p0*/ \
+ [--sp] = R0; /*orig_r0*/ \
+ [--sp] = (R7:0,P5:0); \
+ R0 = (N); \
+ LOAD_IPIPE_IPEND \
+ jump __common_int_entry;
+# else /* CONFIG_DEBUG_KERNEL */
#define INTERRUPT_ENTRY(N) \
[--sp] = SYSCFG; \
- \
[--sp] = P0; /*orig_p0*/ \
[--sp] = R0; /*orig_r0*/ \
[--sp] = (R7:0,P5:0); \
+ p0.l = lo(IPEND); \
+ p0.h = hi(IPEND); \
+ r1 = [p0]; \
R0 = (N); \
LOAD_IPIPE_IPEND \
jump __common_int_entry;
+# endif /* CONFIG_DEBUG_KERNEL */
/* For timer interrupts, we need to save IPEND, since the user_mode
- macro accesses it to determine where to account time. */
+ *macro accesses it to determine where to account time.
+ */
#define TIMER_INTERRUPT_ENTRY(N) \
[--sp] = SYSCFG; \
- \
[--sp] = P0; /*orig_p0*/ \
[--sp] = R0; /*orig_r0*/ \
[--sp] = (R7:0,P5:0); \
@@ -58,6 +76,74 @@
r1 = [p0]; \
R0 = (N); \
jump __common_int_entry;
+#else /* CONFIG_EXACT_HWERR is defined */
+
+/* if we want hardware error to be exact, we need to do a SSYNC (which forces
+ * read/writes to complete to the memory controllers), and check to see that
+ * caused a pending HW error condition. If so, we assume it was caused by user
+ * space, by setting the same interrupt that we are in (so it goes off again)
+ * and context restore, and a RTI (without servicing anything). This should
+ * cause the pending HWERR to fire, and when that is done, this interrupt will
+ * be re-serviced properly.
+ * 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.
+ */
+#define INTERRUPT_ENTRY(N) \
+ SSYNC; \
+ SSYNC; \
+ [--sp] = SYSCFG; \
+ [--sp] = P0; /*orig_p0*/ \
+ [--sp] = R0; /*orig_r0*/ \
+ [--sp] = (R7:0,P5:0); \
+ R1 = ASTAT; \
+ P0.L = LO(ILAT); \
+ P0.H = HI(ILAT); \
+ R0 = [P0]; \
+ CC = BITTST(R0, EVT_IVHW_P); \
+ IF CC JUMP 1f; \
+ ASTAT = R1; \
+ p0.l = lo(IPEND); \
+ p0.h = hi(IPEND); \
+ r1 = [p0]; \
+ R0 = (N); \
+ LOAD_IPIPE_IPEND \
+ jump __common_int_entry; \
+1: ASTAT = R1; \
+ RAISE N; \
+ (R7:0, P5:0) = [SP++]; \
+ SP += 0x8; \
+ SYSCFG = [SP++]; \
+ CSYNC; \
+ 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; \
+ P0.L = LO(ILAT); \
+ P0.H = HI(ILAT); \
+ R0 = [P0]; \
+ CC = BITTST(R0, EVT_IVHW_P); \
+ IF CC JUMP 1f; \
+ ASTAT = R1; \
+ p0.l = lo(IPEND); \
+ p0.h = hi(IPEND); \
+ r1 = [p0]; \
+ R0 = (N); \
+ jump __common_int_entry; \
+1: ASTAT = R1; \
+ RAISE N; \
+ (R7:0, P5:0) = [SP++]; \
+ SP += 0x8; \
+ SYSCFG = [SP++]; \
+ CSYNC; \
+ RTI;
+#endif /* CONFIG_EXACT_HWERR */
/* This one pushes RETI without using CLI. Interrupts are enabled. */
#define SAVE_CONTEXT_SYSCALL save_context_syscall
diff --git a/arch/blackfin/include/asm/gptimers.h b/arch/blackfin/include/asm/gptimers.h
index b0f847ae4bf..89f08decb8e 100644
--- a/arch/blackfin/include/asm/gptimers.h
+++ b/arch/blackfin/include/asm/gptimers.h
@@ -30,6 +30,7 @@
# else
# define MAX_BLACKFIN_GPTIMERS 11
# define TIMER8_GROUP_REG TIMER_ENABLE1
+# define TIMER_GROUP2 1
# endif
# define TIMER0_GROUP_REG TIMER_ENABLE0
#endif
@@ -40,10 +41,12 @@
# define MAX_BLACKFIN_GPTIMERS 12
# define TIMER0_GROUP_REG TMRS8_ENABLE
# define TIMER8_GROUP_REG TMRS4_ENABLE
+# define TIMER_GROUP2 1
#endif
/*
* All others: 3 timers:
*/
+#define TIMER_GROUP1 0
#if !defined(MAX_BLACKFIN_GPTIMERS)
# define MAX_BLACKFIN_GPTIMERS 3
# define TIMER0_GROUP_REG TIMER_ENABLE
@@ -109,8 +112,8 @@
#define TIMER_ERR_PROG_PER 0x8000
#define TIMER_ERR_PROG_PW 0xC000
#define TIMER_EMU_RUN 0x0200
-#define TIMER_TOGGLE_HI 0x0100
-#define TIMER_CLK_SEL 0x0080
+#define TIMER_TOGGLE_HI 0x0100
+#define TIMER_CLK_SEL 0x0080
#define TIMER_OUT_DIS 0x0040
#define TIMER_TIN_SEL 0x0020
#define TIMER_IRQ_ENA 0x0010
@@ -169,23 +172,25 @@
/* The actual gptimer API */
-void set_gptimer_pwidth (int timer_id, uint32_t width);
-uint32_t get_gptimer_pwidth (int timer_id);
-void set_gptimer_period (int timer_id, uint32_t period);
-uint32_t get_gptimer_period (int timer_id);
-uint32_t get_gptimer_count (int timer_id);
-uint16_t get_gptimer_intr (int timer_id);
-void clear_gptimer_intr (int timer_id);
-uint16_t get_gptimer_over (int timer_id);
-void clear_gptimer_over (int timer_id);
-void set_gptimer_config (int timer_id, uint16_t config);
-uint16_t get_gptimer_config (int timer_id);
-void set_gptimer_pulse_hi (int timer_id);
+void set_gptimer_pwidth(int timer_id, uint32_t width);
+uint32_t get_gptimer_pwidth(int timer_id);
+void set_gptimer_period(int timer_id, uint32_t period);
+uint32_t get_gptimer_period(int timer_id);
+uint32_t get_gptimer_count(int timer_id);
+int get_gptimer_intr(int timer_id);
+void clear_gptimer_intr(int timer_id);
+int get_gptimer_over(int timer_id);
+void clear_gptimer_over(int timer_id);
+void set_gptimer_config(int timer_id, uint16_t config);
+uint16_t get_gptimer_config(int timer_id);
+int get_gptimer_run(int timer_id);
+void set_gptimer_pulse_hi(int timer_id);
void clear_gptimer_pulse_hi(int timer_id);
-void enable_gptimers (uint16_t mask);
-void disable_gptimers (uint16_t mask);
-uint16_t get_enabled_gptimers (void);
-uint32_t get_gptimer_status (int group);
-void set_gptimer_status (int group, uint32_t value);
+void enable_gptimers(uint16_t mask);
+void disable_gptimers(uint16_t mask);
+void disable_gptimers_sync(uint16_t mask);
+uint16_t get_enabled_gptimers(void);
+uint32_t get_gptimer_status(int group);
+void set_gptimer_status(int group, uint32_t value);
#endif
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index 63b2d8c7857..3022b5c96b3 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -80,19 +80,22 @@ static inline unsigned int readl(const volatile void __iomem *addr)
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
-#define inb(addr) readb(addr)
-#define inw(addr) readw(addr)
-#define inl(addr) readl(addr)
-#define outb(x,addr) ((void) writeb(x,addr))
-#define outw(x,addr) ((void) writew(x,addr))
-#define outl(x,addr) ((void) writel(x,addr))
-
-#define inb_p(addr) inb(addr)
-#define inw_p(addr) inw(addr)
-#define inl_p(addr) inl(addr)
-#define outb_p(x,addr) outb(x,addr)
-#define outw_p(x,addr) outw(x,addr)
-#define outl_p(x,addr) outl(x,addr)
+/* Convert "I/O port addresses" to actual addresses. i.e. ugly casts. */
+#define __io(port) ((void *)(unsigned long)(port))
+
+#define inb(port) readb(__io(port))
+#define inw(port) readw(__io(port))
+#define inl(port) readl(__io(port))
+#define outb(x,port) writeb(x,__io(port))
+#define outw(x,port) writew(x,__io(port))
+#define outl(x,port) writel(x,__io(port))
+
+#define inb_p(port) inb(__io(port))
+#define inw_p(port) inw(__io(port))
+#define inl_p(port) inl(__io(port))
+#define outb_p(x,port) outb(x,__io(port))
+#define outw_p(x,port) outw(x,__io(port))
+#define outl_p(x,port) outl(x,__io(port))
#define ioread8_rep(a,d,c) readsb(a,d,c)
#define ioread16_rep(a,d,c) readsw(a,d,c)
diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h
index 343b56361ec..51d0bf5e289 100644
--- a/arch/blackfin/include/asm/ipipe.h
+++ b/arch/blackfin/include/asm/ipipe.h
@@ -35,10 +35,10 @@
#include <asm/atomic.h>
#include <asm/traps.h>
-#define IPIPE_ARCH_STRING "1.9-00"
+#define IPIPE_ARCH_STRING "1.9-01"
#define IPIPE_MAJOR_NUMBER 1
#define IPIPE_MINOR_NUMBER 9
-#define IPIPE_PATCH_NUMBER 0
+#define IPIPE_PATCH_NUMBER 1
#ifdef CONFIG_SMP
#error "I-pipe/blackfin: SMP not implemented"
diff --git a/arch/blackfin/include/asm/page.h b/arch/blackfin/include/asm/page.h
index 344f6a8c1f2..3ea2016a1d4 100644
--- a/arch/blackfin/include/asm/page.h
+++ b/arch/blackfin/include/asm/page.h
@@ -81,7 +81,7 @@ extern unsigned long memory_end;
#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
((void *)(kaddr) < (void *)memory_end))
-#include <asm-generic/page.h>
+#include <asm-generic/getorder.h>
#endif /* __ASSEMBLY__ */
diff --git a/arch/blackfin/include/asm/pda.h b/arch/blackfin/include/asm/pda.h
index a67142740df..b42555c1431 100644
--- a/arch/blackfin/include/asm/pda.h
+++ b/arch/blackfin/include/asm/pda.h
@@ -64,8 +64,6 @@ struct blackfin_pda { /* Per-processor Data Area */
extern struct blackfin_pda cpu_pda[];
-void reserve_pda(void);
-
#endif /* __ASSEMBLY__ */
#endif /* _ASM_BLACKFIN_PDA_H */
diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h
index 0eece23b41c..3040415523b 100644
--- a/arch/blackfin/include/asm/processor.h
+++ b/arch/blackfin/include/asm/processor.h
@@ -131,8 +131,8 @@ unsigned long get_wchan(struct task_struct *p);
/* Get the Silicon Revision of the chip */
static inline uint32_t __pure bfin_revid(void)
{
- /* stored in the upper 4 bits */
- uint32_t revid = bfin_read_CHIPID() >> 28;
+ /* Always use CHIPID, to work around ANOMALY_05000234 */
+ uint32_t revid = (bfin_read_CHIPID() & CHIPID_VERSION) >> 28;
#ifdef CONFIG_BF52x
/* ANOMALY_05000357
diff --git a/arch/blackfin/include/asm/signal.h b/arch/blackfin/include/asm/signal.h
index 87951d25145..2eea9079445 100644
--- a/arch/blackfin/include/asm/signal.h
+++ b/arch/blackfin/include/asm/signal.h
@@ -104,7 +104,7 @@ typedef unsigned long sigset_t;
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
-#include <asm-generic/signal.h>
+#include <asm-generic/signal-defs.h>
#ifdef __KERNEL__
struct old_sigaction {
diff --git a/arch/blackfin/include/asm/time.h b/arch/blackfin/include/asm/time.h
index ddc43ce3853..589e937ed1e 100644
--- a/arch/blackfin/include/asm/time.h
+++ b/arch/blackfin/include/asm/time.h
@@ -37,4 +37,5 @@ extern unsigned long long __bfin_cycles_off;
extern unsigned int __bfin_cycles_mod;
#endif
+extern void __init setup_core_timer(void);
#endif
diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index 3248033531e..8894e9ffbb5 100644
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -59,12 +59,8 @@ static inline int is_in_rom(unsigned long addr)
#ifndef CONFIG_ACCESS_CHECK
static inline int _access_ok(unsigned long addr, unsigned long size) { return 1; }
#else
-#ifdef CONFIG_ACCESS_OK_L1
-extern int _access_ok(unsigned long addr, unsigned long size)__attribute__((l1_text));
-#else
extern int _access_ok(unsigned long addr, unsigned long size);
#endif
-#endif
/*
* The exception table consists of pairs of addresses: the first is the
@@ -83,9 +79,6 @@ struct exception_table_entry {
unsigned long insn, fixup;
};
-/* Returns 0 if exception not found and fixup otherwise. */
-extern unsigned long search_exception_table(unsigned long);
-
/*
* These are the main single-value transfer routines. They automatically
* use the right size if we just have the right pointer type.
@@ -233,16 +226,29 @@ strncpy_from_user(char *dst, const char *src, long count)
}
/*
- * Return the size of a string (including the ending 0)
+ * Get the size of a string in user space.
+ * src: The string to measure
+ * n: The maximum valid length
*
- * Return 0 on exception, a value greater than N if too long
+ * Get the size of a NUL-terminated string in user space.
+ *
+ * Returns the size of the string INCLUDING the terminating NUL.
+ * On exception, returns 0.
+ * If the string is too long, returns a value greater than n.
*/
-static inline long strnlen_user(const char *src, long n)
+static inline long __must_check strnlen_user(const char *src, long n)
{
- return (strlen(src) + 1);
+ if (!access_ok(VERIFY_READ, src, 1))
+ return 0;
+ return strnlen(src, n) + 1;
}
-#define strlen_user(str) strnlen_user(str, 32767)
+static inline long __must_check strlen_user(const char *src)
+{
+ if (!access_ok(VERIFY_READ, src, 1))
+ return 0;
+ return strlen(src) + 1;
+}
/*
* Zero Userspace
@@ -251,6 +257,8 @@ static inline long strnlen_user(const char *src, long n)
static inline unsigned long __must_check
__clear_user(void *to, unsigned long n)
{
+ if (!access_ok(VERIFY_WRITE, to, n))
+ return n;
memset(to, 0, n);
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 01:33:07 +0000