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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6

Browse Source 
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6:
  Blackfin arch: add proper const volatile to addr argument to the read functions
  Blackfin arch: Add definition of dma_mapping_error
  Blackfin arch: move cond_syscall() behind __KERNEL__ like all other architectures
  Blackfin arch: match kernel startup messaage with new linker script
  Blackfin arch: add missing braces around array bfin serial init
  Blackfin arch: update printk to use KERN_EMERG and reformat crash output
  Blackfin arch: update ANOMALY handling
This commit is contained in:
Linus Torvalds 2007-06-22 11:11:33 -07:00
commit 3f2c6d0f4f
16 changed files with 295 additions and 83 deletions
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8
arch/blackfin/kernel/setup.c
View File

@ -329,9 +329,10 @@ void __init setup_arch(char **cmdline_p)
printk(KERN_INFO "Memory map:\n"
KERN_INFO " text = 0x%p-0x%p\n"
KERN_INFO " init = 0x%p-0x%p\n"
KERN_INFO " rodata = 0x%p-0x%p\n"
KERN_INFO " data = 0x%p-0x%p\n"
KERN_INFO " stack = 0x%p-0x%p\n"
KERN_INFO " stack = 0x%p-0x%p\n"
KERN_INFO " init = 0x%p-0x%p\n"
KERN_INFO " bss = 0x%p-0x%p\n"
KERN_INFO " available = 0x%p-0x%p\n"
#ifdef CONFIG_MTD_UCLINUX
@ -341,9 +342,10 @@ void __init setup_arch(char **cmdline_p)
KERN_INFO " DMA Zone = 0x%p-0x%p\n"
#endif
, _stext, _etext,
__init_begin, __init_end,
__start_rodata, __end_rodata,
_sdata, _edata,
(void*)&init_thread_union, (void*)((int)(&init_thread_union) + 0x2000),
__init_begin, __init_end,
__bss_start, __bss_stop,
(void*)_ramstart, (void*)memory_end
#ifdef CONFIG_MTD_UCLINUX

133
arch/blackfin/kernel/traps.c
View File

@ -148,8 +148,15 @@ asmlinkage void trap_c(struct pt_regs *fp)
unsigned long trapnr = fp->seqstat & SEQSTAT_EXCAUSE;
#ifdef CONFIG_KGDB
# define CHK_DEBUGGER_TRAP() do { CHK_DEBUGGER(trapnr, sig, info.si_code, fp,); } while (0)
# define CHK_DEBUGGER_TRAP_MAYBE() do { if (kgdb_connected) CHK_DEBUGGER_TRAP(); } while (0)
# define CHK_DEBUGGER_TRAP() \
do { \
CHK_DEBUGGER(trapnr, sig, info.si_code, fp); \
} while (0)
# define CHK_DEBUGGER_TRAP_MAYBE() \
do { \
if (kgdb_connected) \
CHK_DEBUGGER_TRAP(); \
} while (0)
#else
# define CHK_DEBUGGER_TRAP() do { } while (0)
# define CHK_DEBUGGER_TRAP_MAYBE() do { } while (0)
@ -297,7 +304,8 @@ asmlinkage void trap_c(struct pt_regs *fp)
info.si_code = ILL_CPLB_MULHIT;
#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO
sig = SIGSEGV;
printk(KERN_EMERG "\n\nNULL pointer access (probably)\n");
printk(KERN_EMERG "\n"
KERN_EMERG "NULL pointer access (probably)\n");
#else
sig = SIGILL;
printk(KERN_EMERG EXC_0x27);
@ -418,7 +426,9 @@ asmlinkage void trap_c(struct pt_regs *fp)
if (current->mm) {
fp->pc = current->mm->start_code;
} else {
printk(KERN_EMERG "I can't return to memory that doesn't exist - bad things happen\n");
printk(KERN_EMERG
"I can't return to memory that doesn't exist"
" - bad things happen\n");
panic("Help - I've fallen and can't get up\n");
}
}
@ -522,15 +532,19 @@ EXPORT_SYMBOL(dump_stack);
void dump_bfin_regs(struct pt_regs *fp, void *retaddr)
{
if (current->pid) {
printk("\nCURRENT PROCESS:\n\n");
printk("COMM=%s PID=%d\n", current->comm, current->pid);
printk(KERN_EMERG "\n" KERN_EMERG "CURRENT PROCESS:\n"
KERN_EMERG "\n");
printk(KERN_EMERG "COMM=%s PID=%d\n",
current->comm, current->pid);
} else {
printk
("\nNo Valid pid - Either things are really messed up, or you are in the kernel\n");
(KERN_EMERG "\n" KERN_EMERG
"No Valid pid - Either things are really messed up,"
" or you are in the kernel\n");
}
if (current->mm) {
printk("TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n"
printk(KERN_EMERG "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,
@ -541,7 +555,7 @@ void dump_bfin_regs(struct pt_regs *fp, void *retaddr)
(void*)current->mm->start_stack);
}
printk("return address: 0x%p; contents of [PC-16...PC+8]:\n", retaddr);
printk(KERN_EMERG "return address: [0x%p]; contents of:", retaddr);
if (retaddr != 0 && retaddr <= (void*)physical_mem_end
#if L1_CODE_LENGTH != 0
/* FIXME: Copy the code out of L1 Instruction SRAM through dma
@ -550,10 +564,15 @@ void dump_bfin_regs(struct pt_regs *fp, void *retaddr)
&& retaddr < (void*)(L1_CODE_START + L1_CODE_LENGTH))
#endif
) {
int i = 0;
int i = ((unsigned int)retaddr & 0xFFFFFFF0) - 32;
unsigned short x = 0;
for (i = -16; i < 8; i++) {
if (get_user(x, (unsigned short *)retaddr + i))
for (; i < ((unsigned int)retaddr & 0xFFFFFFF0 ) + 32 ;
i += 2) {
if ( !(i & 0xF) )
printk(KERN_EMERG "\n" KERN_EMERG
"0x%08x: ", i);
if (get_user(x, (unsigned short *)i))
break;
#ifndef CONFIG_DEBUG_HWERR
/* If one of the last few instructions was a STI
@ -561,53 +580,65 @@ void dump_bfin_regs(struct pt_regs *fp, void *retaddr)
* and we just noticed
*/
if (x >= 0x0040 && x <= 0x0047 && i <= 0)
panic("\n\nWARNING : You should reconfigure the kernel to turn on\n"
" 'Hardware error interrupt debugging'\n"
" The rest of this error is meanless\n");
panic("\n\nWARNING : You should reconfigure"
" the kernel to turn on\n"
" 'Hardware error interrupt"
" debugging'\n"
" The rest of this error"
" is meanless\n");
#endif
if (i == -8)
printk("\n");
if (i == 0)
printk("X\n");
printk("%04x ", x);
if ( i == (unsigned int)retaddr )
printk("[%04x]", x);
else
printk(" %04x ", x);
}
printk("\n" KERN_EMERG "\n");
} else
printk("Cannot look at the [PC] for it is in unreadable L1 SRAM - sorry\n");
printk(KERN_EMERG
"Cannot look at the [PC] for it is"
"in unreadable L1 SRAM - sorry\n");
printk("\n\n");
printk("RETE: %08lx RETN: %08lx RETX: %08lx RETS: %08lx\n",
fp->rete, fp->retn, fp->retx, fp->rets);
printk("IPEND: %04lx SYSCFG: %04lx\n", fp->ipend, fp->syscfg);
printk("SEQSTAT: %08lx SP: %08lx\n", (long)fp->seqstat, (long)fp);
printk("R0: %08lx R1: %08lx R2: %08lx R3: %08lx\n",
fp->r0, fp->r1, fp->r2, fp->r3);
printk("R4: %08lx R5: %08lx R6: %08lx R7: %08lx\n",
fp->r4, fp->r5, fp->r6, fp->r7);
printk("P0: %08lx P1: %08lx P2: %08lx P3: %08lx\n",
fp->p0, fp->p1, fp->p2, fp->p3);
printk("P4: %08lx P5: %08lx FP: %08lx\n", fp->p4, fp->p5, fp->fp);
printk("A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n",
fp->a0w, fp->a0x, fp->a1w, fp->a1x);
printk(KERN_EMERG
"RETE: %08lx RETN: %08lx RETX: %08lx RETS: %08lx\n",
fp->rete, fp->retn, fp->retx, fp->rets);
printk(KERN_EMERG "IPEND: %04lx SYSCFG: %04lx\n",
fp->ipend, fp->syscfg);
printk(KERN_EMERG "SEQSTAT: %08lx SP: %08lx\n",
(long)fp->seqstat, (long)fp);
printk(KERN_EMERG "R0: %08lx R1: %08lx R2: %08lx R3: %08lx\n",
fp->r0, fp->r1, fp->r2, fp->r3);
printk(KERN_EMERG "R4: %08lx R5: %08lx R6: %08lx R7: %08lx\n",
fp->r4, fp->r5, fp->r6, fp->r7);
printk(KERN_EMERG "P0: %08lx P1: %08lx P2: %08lx P3: %08lx\n",
fp->p0, fp->p1, fp->p2, fp->p3);
printk(KERN_EMERG
"P4: %08lx P5: %08lx FP: %08lx\n",
fp->p4, fp->p5, fp->fp);
printk(KERN_EMERG
"A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n",
fp->a0w, fp->a0x, fp->a1w, fp->a1x);
printk("LB0: %08lx LT0: %08lx LC0: %08lx\n", fp->lb0, fp->lt0,
fp->lc0);
printk("LB1: %08lx LT1: %08lx LC1: %08lx\n", fp->lb1, fp->lt1,
fp->lc1);
printk("B0: %08lx L0: %08lx M0: %08lx I0: %08lx\n", fp->b0, fp->l0,
fp->m0, fp->i0);
printk("B1: %08lx L1: %08lx M1: %08lx I1: %08lx\n", fp->b1, fp->l1,
fp->m1, fp->i1);
printk("B2: %08lx L2: %08lx M2: %08lx I2: %08lx\n", fp->b2, fp->l2,
fp->m2, fp->i2);
printk("B3: %08lx L3: %08lx M3: %08lx I3: %08lx\n", fp->b3, fp->l3,
fp->m3, fp->i3);
printk(KERN_EMERG "LB0: %08lx LT0: %08lx LC0: %08lx\n",
fp->lb0, fp->lt0, fp->lc0);
printk(KERN_EMERG "LB1: %08lx LT1: %08lx LC1: %08lx\n",
fp->lb1, fp->lt1, fp->lc1);
printk(KERN_EMERG "B0: %08lx L0: %08lx M0: %08lx I0: %08lx\n",
fp->b0, fp->l0, fp->m0, fp->i0);
printk(KERN_EMERG "B1: %08lx L1: %08lx M1: %08lx I1: %08lx\n",
fp->b1, fp->l1, fp->m1, fp->i1);
printk(KERN_EMERG "B2: %08lx L2: %08lx M2: %08lx I2: %08lx\n",
fp->b2, fp->l2, fp->m2, fp->i2);
printk(KERN_EMERG "B3: %08lx L3: %08lx M3: %08lx I3: %08lx\n",
fp->b3, fp->l3, fp->m3, fp->i3);
printk("\nUSP: %08lx ASTAT: %08lx\n", rdusp(), fp->astat);
printk(KERN_EMERG "\n" KERN_EMERG "USP: %08lx ASTAT: %08lx\n",
rdusp(), fp->astat);
if ((long)fp->seqstat & SEQSTAT_EXCAUSE) {
printk(KERN_EMERG "DCPLB_FAULT_ADDR=%p\n", (void*)bfin_read_DCPLB_FAULT_ADDR());
printk(KERN_EMERG "ICPLB_FAULT_ADDR=%p\n", (void*)bfin_read_ICPLB_FAULT_ADDR());
printk(KERN_EMERG "DCPLB_FAULT_ADDR=%p\n",
(void *)bfin_read_DCPLB_FAULT_ADDR());
printk(KERN_EMERG "ICPLB_FAULT_ADDR=%p\n",
(void *)bfin_read_ICPLB_FAULT_ADDR());
}
printk("\n\n");

5
arch/blackfin/lib/memcmp.S
View File

@ -61,7 +61,12 @@ ENTRY(_memcmp)
LSETUP (.Lquad_loop_s, .Lquad_loop_e) LC0=P1;
.Lquad_loop_s:
#ifdef ANOMALY_05000202
R0 = [P0++];
R1 = [I0++];
#else
MNOP || R0 = [P0++] || R1 = [I0++];
#endif
CC = R0 == R1;
IF !CC JUMP .Lquad_different;
.Lquad_loop_e:

13
arch/blackfin/lib/memcpy.S
View File

@ -94,13 +94,20 @@ ENTRY(_memcpy)
.Lmore_than_seven:
/* There's at least eight bytes to copy. */
P2 += -1; /* because we unroll one iteration */
LSETUP(.Lword_loop, .Lword_loop) LC0=P2;
LSETUP(.Lword_loops, .Lword_loope) LC0=P2;
R0 = R1;
I1 = P1;
R3 = [I1++];
.Lword_loop:
#ifdef ANOMALY_05000202
.Lword_loops:
[P0++] = R3;
.Lword_loope:
R3 = [I1++];
#else
.Lword_loops:
.Lword_loope:
MNOP || [P0++] = R3 || R3 = [I1++];
#endif
[P0++] = R3;
/* Any remaining bytes to copy? */
R3 = 0x3;

17
arch/blackfin/lib/memmove.S
View File

@ -69,8 +69,17 @@ ENTRY(_memmove)
P2 = R2; /* set remainder */
R1 = [I0++];
LSETUP (.Lquad_loop, .Lquad_loop) LC0=P1;
.Lquad_loop: MNOP || [P0++] = R1 || R1 = [I0++];
LSETUP (.Lquad_loops, .Lquad_loope) LC0=P1;
#ifdef ANOMALY_05000202
.Lquad_loops:
[P0++] = R1;
.Lquad_loope:
R1 = [I0++];
#else
.Lquad_loops:
.Lquad_loope:
MNOP || [P0++] = R1 || R1 = [I0++];
#endif
[P0++] = R1;
CC = P2 == 0; /* any remaining bytes? */
@ -93,6 +102,10 @@ ENTRY(_memmove)
R1 = B[P3--] (Z);
CC = P2 == 0;
IF CC JUMP .Lno_loop;
#ifdef ANOMALY_05000245
NOP;
NOP;
#endif
LSETUP (.Lol_s, .Lol_e) LC0 = P2;
.Lol_s: B[P0--] = R1;
.Lol_e: R1 = B[P3--] (Z);

20
arch/blackfin/mach-common/cache.S
View File

@ -123,14 +123,14 @@ ENTRY(_blackfin_icache_flush_range)
R2 = R0 & R2;
P0 = R2;
P1 = R1;
CSYNC;
CSYNC(R3);
IFLUSH [P0];
1:
IFLUSH [P0++];
CC = P0 < P1 (iu);
IF CC JUMP 1b (bp);
IFLUSH [P0];
SSYNC;
SSYNC(R3);
RTS;
ENDPROC(_blackfin_icache_flush_range)
@ -148,7 +148,7 @@ ENTRY(_blackfin_icache_dcache_flush_range)
R2 = R0 & R2;
P0 = R2;
P1 = R1;
CSYNC;
CSYNC(R3);
IFLUSH [P0];
1:
FLUSH [P0];
@ -157,7 +157,7 @@ ENTRY(_blackfin_icache_dcache_flush_range)
IF CC JUMP 1b (bp);
IFLUSH [P0];
FLUSH [P0];
SSYNC;
SSYNC(R3);
RTS;
ENDPROC(_blackfin_icache_dcache_flush_range)
@ -174,7 +174,7 @@ ENTRY(_blackfin_dcache_invalidate_range)
R2 = R0 & R2;
P0 = R2;
P1 = R1;
CSYNC;
CSYNC(R3);
FLUSHINV[P0];
1:
FLUSHINV[P0++];
@ -186,7 +186,7 @@ ENTRY(_blackfin_dcache_invalidate_range)
* so do one more.
*/
FLUSHINV[P0];
SSYNC;
SSYNC(R3);
RTS;
ENDPROC(_blackfin_dcache_invalidate_range)
@ -235,7 +235,7 @@ ENTRY(_blackfin_dcache_flush_range)
R2 = R0 & R2;
P0 = R2;
P1 = R1;
CSYNC;
CSYNC(R3);
FLUSH[P0];
1:
FLUSH[P0++];
@ -247,17 +247,17 @@ ENTRY(_blackfin_dcache_flush_range)
* one more.
*/
FLUSH[P0];
SSYNC;
SSYNC(R3);
RTS;
ENDPROC(_blackfin_dcache_flush_range)
ENTRY(_blackfin_dflush_page)
P1 = 1 << (PAGE_SHIFT - L1_CACHE_SHIFT);
P0 = R0;
CSYNC;
CSYNC(R3);
FLUSH[P0];
LSETUP (.Lfl1, .Lfl1) LC0 = P1;
.Lfl1: FLUSH [P0++];
SSYNC;
SSYNC(R3);
RTS;
ENDPROC(_blackfin_dflush_page)

2
arch/blackfin/mach-common/interrupt.S
View File

@ -139,7 +139,7 @@ __common_int_entry:
fp = 0;
#endif
#ifdef ANOMALY_05000283
#if defined (ANOMALY_05000283) || defined (ANOMALY_05000315)
cc = r7 == r7;
p5.h = 0xffc0;
p5.l = 0x0014;

33
include/asm-blackfin/blackfin.h
View File

@ -39,7 +39,9 @@ static inline void SSYNC (void)
#elif !defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
static inline void SSYNC (void)
{
__builtin_bfin_ssync();
__asm__ __volatile__ ("nop; nop; nop;\n\t"
"ssync;\n\t"
::);
}
#elif !defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
static inline void SSYNC (void)
@ -71,7 +73,9 @@ static inline void CSYNC (void)
#elif !defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
static inline void CSYNC (void)
{
__builtin_bfin_csync();
__asm__ __volatile__ ("nop; nop; nop;\n\t"
"ssync;\n\t"
::);
}
#elif !defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
static inline void CSYNC (void)
@ -80,6 +84,31 @@ static inline void CSYNC (void)
}
#endif
#else /* __ASSEMBLY__ */
/* SSYNC & CSYNC implementations for assembly files */
#define ssync(x) SSYNC(x)
#define csync(x) CSYNC(x)
#if defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
#elif defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
#elif !defined(ANOMALY_05000312) && defined(ANOMALY_05000244)
#define SSYNC(scratch) nop; nop; nop; SSYNC;
#define CSYNC(scratch) nop; nop; nop; CSYNC;
#elif !defined(ANOMALY_05000312) && !defined(ANOMALY_05000244)
#define SSYNC(scratch) SSYNC;
#define CSYNC(scratch) CSYNC;
#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
#endif /* __ASSEMBLY__ */
#endif /* _BLACKFIN_H_ */

2
include/asm-blackfin/dma-mapping.h
View File

@ -15,6 +15,8 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
#define dma_mapping_error
/*
* Map a single buffer of the indicated size for DMA in streaming mode.
* The 32-bit bus address to use is returned.

6
include/asm-blackfin/io.h
View File

@ -20,7 +20,7 @@
*/
#ifndef __ASSEMBLY__
static inline unsigned char readb(void __iomem *addr)
static inline unsigned char readb(const volatile void __iomem *addr)
{
unsigned int val;
int tmp;
@ -35,7 +35,7 @@ static inline unsigned char readb(void __iomem *addr)
return (unsigned char) val;
}
static inline unsigned short readw(void __iomem *addr)
static inline unsigned short readw(const volatile void __iomem *addr)
{
unsigned int val;
int tmp;
@ -50,7 +50,7 @@ static inline unsigned short readw(void __iomem *addr)
return (unsigned short) val;
}
static inline unsigned int readl(void __iomem *addr)
static inline unsigned int readl(const volatile void __iomem *addr)
{
unsigned int val;
int tmp;

84
include/asm-blackfin/mach-bf533/anomaly.h
View File

@ -43,7 +43,8 @@
#endif
/* Issues that are common to 0.5, 0.4, and 0.3 silicon */
#if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3))
#if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_4) \
|| defined(CONFIG_BF_REV_0_3))
#define ANOMALY_05000074 /* A multi issue instruction with dsp32shiftimm in
slot1 and store of a P register in slot 2 is not
supported */
@ -76,11 +77,16 @@
control */
#define ANOMALY_05000283 /* A system MMR write is stalled indefinitely when
killed in a particular stage*/
#define ANOMALY_05000311 /* Erroneous flag pin operations under specific
sequences */
#define ANOMALY_05000312 /* Errors when SSYNC, CSYNC, or loads to LT, LB and LC
registers are interrupted */
#define ANOMALY_05000311 /* Erroneous flag pin operations under specific sequences*/
#endif
#define ANOMALY_05000313 /* PPI Is Level-Sensitive on First Transfer */
#define ANOMALY_05000315 /* Killed System MMR Write Completes Erroneously On
* Next System MMR Access */
#define ANOMALY_05000319 /* Internal Voltage Regulator Values of 1.05V, 1.10V
* and 1.15V Not Allowed for LQFP Packages */
#endif /* Issues that are common to 0.5, 0.4, and 0.3 silicon */
/* These issues only occur on 0.3 or 0.4 BF533 */
#if (defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3))
@ -134,14 +140,14 @@
internal voltage regulator (VDDint) to increase. */
#define ANOMALY_05000270 /* High I/O activity causes the output voltage of the
internal voltage regulator (VDDint) to decrease */
#endif
#endif /* issues only occur on 0.3 or 0.4 BF533 */
/* These issues are only on 0.4 silicon */
#if (defined(CONFIG_BF_REV_0_4))
#define ANOMALY_05000234 /* Incorrect Revision Number in DSPID Register */
#define ANOMALY_05000250 /* Incorrect Bit-Shift of Data Word in Multichannel
(TDM) */
#endif
#endif /* issues are only on 0.4 silicon */
/* These issues are only on 0.3 silicon */
#if defined(CONFIG_BF_REV_0_3)
@ -170,6 +176,72 @@
#define ANOMALY_05000233 /* PPI_FS3 is not driven in 2 or 3 internal Frame
Sync Transmit Mode */
#define ANOMALY_05000271 /* Spontaneous reset of Internal Voltage Regulator */
#endif /* only on 0.3 silicon */
#if defined(CONFIG_BF_REV_0_2)
#define ANOMALY_05000067 /* Watchpoints (Hardware Breakpoints) are not
* supported */
#define ANOMALY_05000109 /* Reserved bits in SYSCFG register not set at
* power on */
#define ANOMALY_05000116 /* Trace Buffers may record discontinuities into
* emulation mode and/or exception, NMI, reset
* handlers */
#define ANOMALY_05000123 /* DTEST_COMMAND initiated memory access may be
* incorrect if data cache or DMA is active */
#define ANOMALY_05000124 /* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1,
* or 1:1 */
#define ANOMALY_05000125 /* Erroneous exception when enabling cache */
#define ANOMALY_05000126 /* SPI clock polarity and phase bits incorrect
* during booting */
#define ANOMALY_05000137 /* DMEM_CONTROL is not set on Reset */
#define ANOMALY_05000138 /* SPI boot will not complete if there is a zero fill
* block in the loader file */
#define ANOMALY_05000140 /* Allowing the SPORT RX FIFO to fill will cause an
* overflow */
#define ANOMALY_05000141 /* An Infinite Stall occurs with a particular sequence
* of consecutive dual dag events */
#define ANOMALY_05000142 /* Interrupts may be lost when a programmable input
* flag is configured to be edge sensitive */
#define ANOMALY_05000143 /* A read from external memory may return a wrong
* value with data cache enabled */
#define ANOMALY_05000144 /* DMA and TESTSET conflict when both are accessing
* external memory */
#define ANOMALY_05000145 /* In PWM_OUT mode, you must enable the PPI block to
* generate a waveform from PPI_CLK */
#define ANOMALY_05000146 /* MDMA may lose the first few words of a descriptor
* chain */
#define ANOMALY_05000147 /* The source MDMA descriptor may stop with a DMA
* Error */
#define ANOMALY_05000148 /* When booting from a 16-bit asynchronous memory
* device, the upper 8-bits of each word must be
* 0x00 */
#define ANOMALY_05000153 /* Frame Delay in SPORT Multichannel Mode */
#define ANOMALY_05000154 /* SPORT TFS signal is active in Multi-channel mode
* outside of valid channels */
#define ANOMALY_05000155 /* Timer1 can not be used for PWMOUT mode when a
* certain PPI mode is in use */
#define ANOMALY_05000157 /* A killed 32-bit System MMR write will lead to
* the next system MMR access thinking it should be
* 32-bit. */
#define ANOMALY_05000163 /* SPORT transmit data is not gated by external frame
* sync in certain conditions */
#define ANOMALY_05000168 /* SDRAM auto-refresh and subsequent Power Ups */
#define ANOMALY_05000169 /* DATA CPLB page miss can result in lost
* write-through cache data writes */
#define ANOMALY_05000173 /* DMA vs Core accesses to external memory */
#define ANOMALY_05000174 /* Cache Fill Buffer Data lost */
#define ANOMALY_05000175 /* Overlapping Sequencer and Memory Stalls */
#define ANOMALY_05000176 /* Multiplication of (-1) by (-1) followed by an
* accumulator saturation */
#define ANOMALY_05000181 /* Disabling the PPI resets the PPI configuration
* registers */
#define ANOMALY_05000185 /* PPI TX Mode with 2 External Frame Syncs */
#define ANOMALY_05000191 /* PPI does not invert the Driving PPICLK edge in
* Transmit Modes */
#define ANOMALY_05000192 /* In PPI Transmit Modes with External Frame Syncs
* POLC */
#define ANOMALY_05000206 /* Internal Voltage Regulator may not start up */
#endif
#endif /* _MACH_ANOMALY_H_ */

2
include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
View File

@ -78,6 +78,7 @@ struct bfin_serial_res {
};
struct bfin_serial_res bfin_serial_resource[] = {
{
0xFFC00400,
IRQ_UART_RX,
#ifdef CONFIG_SERIAL_BFIN_DMA
@ -88,6 +89,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
CONFIG_UART0_CTS_PIN,
CONFIG_UART0_RTS_PIN,
#endif
}
};

21
include/asm-blackfin/mach-bf537/anomaly.h
View File

@ -73,8 +73,13 @@
control */
#define ANOMALY_05000283 /* A system MMR write is stalled indefinitely when
killed in a particular stage*/
#define ANOMALY_05000310 /* False hardware errors caused by fetches at the
* boundary of reserved memory */
#define ANOMALY_05000312 /* Errors when SSYNC, CSYNC, or loads to LT, LB and LC
registers are interrupted */
#define ANOMALY_05000313 /* PPI is level sensitive on first transfer */
#define ANOMALY_05000322 /* EMAC RMII mode at 10-Base-T speed: RX frames not
* received properly */
#endif
#if defined(CONFIG_BF_REV_0_2)
@ -114,7 +119,21 @@
DMA system instability */
#define ANOMALY_05000280 /* SPI Master boot mode does not work well with
Atmel Dataflash devices */
#define ANOMALY_05000281 /* False Hardware Error Exception when ISR context
* is not restored */
#define ANOMALY_05000282 /* Memory DMA corruption with 32-bit data and traffic
* control */
#define ANOMALY_05000283 /* System MMR Write Is Stalled Indefinitely When
* Killed in a Particular Stage */
#define ANOMALY_05000285 /* New Feature: EMAC TX DMA Word Alignment
* (Not Available On Older Silicon) */
#define ANOMALY_05000288 /* SPORTs may receive bad data if FIFOs fill up */
#define ANOMALY_05000315 /* Killed System MMR Write Completes Erroneously
* On Next System MMR Access */
#define ANOMALY_05000316 /* EMAC RMII mode: collisions occur in Full Duplex
* mode */
#define ANOMALY_05000321 /* EMAC RMII mode: TX frames in half duplex fail with
* status No Carrier */
#endif /* CONFIG_BF_REV_0_2 */
#endif /* _MACH_ANOMALY_H_ */

2
include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
View File

@ -78,6 +78,7 @@ struct bfin_serial_res {
};
struct bfin_serial_res bfin_serial_resource[] = {
{
0xFFC00400,
IRQ_UART_RX,
#ifdef CONFIG_SERIAL_BFIN_DMA
@ -88,6 +89,7 @@ struct bfin_serial_res bfin_serial_resource[] = {
CONFIG_UART0_CTS_PIN,
CONFIG_UART0_RTS_PIN,
#endif
}
};

27
include/asm-blackfin/mach-common/cdef_LPBlackfin.h
View File

@ -39,7 +39,20 @@
#define bfin_read_SRAM_BASE_ADDRESS() bfin_read32(SRAM_BASE_ADDRESS)
#define bfin_write_SRAM_BASE_ADDRESS(val) bfin_write32(SRAM_BASE_ADDRESS,val)
#define bfin_read_DMEM_CONTROL() bfin_read32(DMEM_CONTROL)
#ifdef ANOMALY_05000125
static __inline__ void bfin_write_DMEM_CONTROL(unsigned int val)
{
unsigned long flags, iwr;
local_irq_save(flags);
__asm__(".align 8\n");
bfin_write32(IMEM_CONTROL, val);
__builtin_bfin_ssync();
local_irq_restore(flags);
}
#else
#define bfin_write_DMEM_CONTROL(val) bfin_write32(DMEM_CONTROL,val)
#endif
#define bfin_read_DCPLB_STATUS() bfin_read32(DCPLB_STATUS)
#define bfin_write_DCPLB_STATUS(val) bfin_write32(DCPLB_STATUS,val)
#define bfin_read_DCPLB_FAULT_ADDR() bfin_read32(DCPLB_FAULT_ADDR)
@ -125,7 +138,21 @@
#define DTEST_DATA3 0xFFE0040C
*/
#define bfin_read_IMEM_CONTROL() bfin_read32(IMEM_CONTROL)
#ifdef ANOMALY_05000125
static __inline__ void bfin_write_IMEM_CONTROL(unsigned int val)
{
unsigned long flags, iwr;
local_irq_save(flags);
__asm__(".align 8\n");
bfin_write32(IMEM_CONTROL, val);
__builtin_bfin_ssync();
local_irq_restore(flags);
}
#else
#define bfin_write_IMEM_CONTROL(val) bfin_write32(IMEM_CONTROL,val)
#endif
#define bfin_read_ICPLB_STATUS() bfin_read32(ICPLB_STATUS)
#define bfin_write_ICPLB_STATUS(val) bfin_write32(ICPLB_STATUS,val)
#define bfin_read_ICPLB_FAULT_ADDR() bfin_read32(ICPLB_FAULT_ADDR)

3
include/asm-blackfin/unistd.h
View File

@ -369,7 +369,6 @@
#define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#endif
/*
* "Conditional" syscalls
@ -379,4 +378,6 @@
*/
#define cond_syscall(x) asm(".weak\t_" #x "\n\t.set\t_" #x ",_sys_ni_syscall");
#endif /* __KERNEL__ */
#endif /* __ASM_BFIN_UNISTD_H */