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

* '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

7 files changed, 132 insertions, 74 deletions

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index a24fa1ab802..5b9b434c1ed 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -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
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 5ab87b0b92d..aa660f32d8c 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -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("\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("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("\nUSP: %08lx   ASTAT: %08lx\n", rdusp(), fp->astat);
+		printk(KERN_EMERG
+			"Cannot look at the [PC] for it is"
+			"in unreadable L1 SRAM - sorry\n");
+
+
+	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(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(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");
diff --git a/arch/blackfin/lib/memcmp.S b/arch/blackfin/lib/memcmp.S
index a6b8ee6a6bf..b88c5d2d1eb 100644
--- a/arch/blackfin/lib/memcmp.S
+++ b/arch/blackfin/lib/memcmp.S
@@ -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:
diff --git a/arch/blackfin/lib/memcpy.S b/arch/blackfin/lib/memcpy.S
index 34b5a91c215..14a5585bbd0 100644
--- a/arch/blackfin/lib/memcpy.S
+++ b/arch/blackfin/lib/memcpy.S
@@ -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;
diff --git a/arch/blackfin/lib/memmove.S b/arch/blackfin/lib/memmove.S
index c371585e9db..6ee6e206e77 100644
--- a/arch/blackfin/lib/memmove.S
+++ b/arch/blackfin/lib/memmove.S
@@ -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);
diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S
index 8bd2af1935b..7063795eb7c 100644
--- a/arch/blackfin/mach-common/cache.S
+++ b/arch/blackfin/mach-common/cache.S
@@ -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)
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index b69f517a650..8be548e061b 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -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;