X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Fppc4xx%2Ftraps.c;h=eb9420e57a8d4b8e219d27843404d3647481346c;hb=bf6a9ca9b2aa219612c3678444b8123e28aa8940;hp=54659d3370276dcb1214594873a2ce60e5295fa3;hpb=6b44466cdeabd54f9dabcd2f00d3a232a4b854a9;p=oweals%2Fu-boot.git

diff --git a/cpu/ppc4xx/traps.c b/cpu/ppc4xx/traps.c
old mode 100644
new mode 100755
index 54659d3370..eb9420e57a
--- a/cpu/ppc4xx/traps.c
+++ b/cpu/ppc4xx/traps.c
@@ -89,22 +89,22 @@ extern void do_bedbug_breakpoint(struct pt_regs *);
 void
 print_backtrace(unsigned long *sp)
 {
-        int cnt = 0;
-        unsigned long i;
-
-        printf("Call backtrace: ");
-        while (sp) {
-                if ((uint)sp > END_OF_MEM)
-                        break;
-
-                i = sp[1];
-                if (cnt++ % 7 == 0)
-                        printf("\n");
-                printf("%08lX ", i);
-                if (cnt > 32) break;
-                sp = (unsigned long *)*sp;
-        }
-        printf("\n");
+	int cnt = 0;
+	unsigned long i;
+
+	printf("Call backtrace: ");
+	while (sp) {
+		if ((uint)sp > END_OF_MEM)
+			break;
+
+		i = sp[1];
+		if (cnt++ % 7 == 0)
+			printf("\n");
+		printf("%08lX ", i);
+		if (cnt > 32) break;
+		sp = (unsigned long *)*sp;
+	}
+	printf("\n");
 }
 
 void show_regs(struct pt_regs * regs)
@@ -121,14 +121,12 @@ void show_regs(struct pt_regs * regs)
 
 	printf("\n");
 	for (i = 0;  i < 32;  i++) {
-		if ((i % 8) == 0)
-		{
+		if ((i % 8) == 0) {
 			printf("GPR%02d: ", i);
 		}
 
 		printf("%08lX ", regs->gpr[i]);
-		if ((i % 8) == 7)
-		{
+		if ((i % 8) == 7) {
 			printf("\n");
 		}
 	}
@@ -147,7 +145,10 @@ void
 MachineCheckException(struct pt_regs *regs)
 {
 	unsigned long fixup, val;
-	
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+	u32 value2;
+#endif
+
 	/* Probing PCI using config cycles cause this exception
 	 * when a device is not present.  Catch it and return to
 	 * the PCI exception handler.
@@ -172,16 +173,16 @@ MachineCheckException(struct pt_regs *regs)
 	if (val& ESR_IMCP) {
 		printf("Instruction");
 		mtspr(ESR, val & ~ESR_IMCP);
-	} else
+	} else {
 		printf("Data");
+	}
 	printf(" machine check.\n");
 
 #elif defined(CONFIG_440)
 	if (val& ESR_IMCP){
 		printf("Instruction Synchronous Machine Check exception\n");
 		mtspr(SPRN_ESR, val & ~ESR_IMCP);
-	}
-        else { 
+	} else {
 		val = mfspr(MCSR);
 		if (val & MCSR_IB)
 			printf("Instruction Read PLB Error\n");
@@ -205,7 +206,89 @@ MachineCheckException(struct pt_regs *regs)
 		/* Clear MCSR */
 		mtspr(SPRN_MCSR, val);
 	}
-#endif
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+	mfsdram(DDR0_00, val) ;
+	printf("DDR0: DDR0_00 %p\n", val);
+	val = (val >> 16) & 0xff;
+	if (val & 0x80)
+		printf("DDR0: At least one interrupt active\n");
+	if (val & 0x40)
+		printf("DDR0: DRAM initialization complete.\n");
+	if (val & 0x20)
+		printf("DDR0: Multiple uncorrectable ECC events.\n");
+	if (val & 0x10)
+		printf("DDR0: Single uncorrectable ECC event.\n");
+	if (val & 0x08)
+		printf("DDR0: Multiple correctable ECC events.\n");
+	if (val & 0x04)
+		printf("DDR0: Single correctable ECC event.\n");
+	if (val & 0x02)
+		printf("Multiple accesses outside the defined"
+		       " physical memory space detected\n");
+	if (val & 0x01)
+		printf("DDR0: Single access outside the defined"
+		       " physical memory space detected.\n");
+
+	mfsdram(DDR0_01, val);
+	val = (val >> 8) & 0x7;
+	switch (val ) {
+	case 0:
+		printf("DDR0: Write Out-of-Range command\n");
+		break;
+	case 1:
+		printf("DDR0: Read Out-of-Range command\n");
+		break;
+	case 2:
+		printf("DDR0: Masked write Out-of-Range command\n");
+		break;
+	case 4:
+		printf("DDR0: Wrap write Out-of-Range command\n");
+		break;
+	case 5:
+		printf("DDR0: Wrap read Out-of-Range command\n");
+		break;
+	default:
+		mfsdram(DDR0_01, value2);
+		printf("DDR0: No DDR0 error know 0x%x %p\n", val, value2);
+	}
+	mfsdram(DDR0_23, val);
+	if ( (val >> 16) & 0xff)
+		printf("DDR0: Syndrome for correctable ECC event 0x%x\n",
+		       (val >> 16) & 0xff);
+	mfsdram(DDR0_23, val);
+	if ( (val >> 8) & 0xff)
+		printf("DDR0: Syndrome for uncorrectable ECC event 0x%x\n",
+		       (val >> 8) & 0xff);
+	mfsdram(DDR0_33, val);
+	if (val)
+		printf("DDR0: Address of command that caused an "
+		       "Out-of-Range interrupt %p\n", val);
+	mfsdram(DDR0_34, val);
+	if (val)
+		printf("DDR0: Address of uncorrectable ECC event %p\n", val);
+	mfsdram(DDR0_35, val);
+	if (val)
+		printf("DDR0: Address of uncorrectable ECC event %p\n", val);
+	mfsdram(DDR0_36, val);
+	if (val)
+		printf("DDR0: Data of uncorrectable ECC event 0x%08x\n", val);
+	mfsdram(DDR0_37, val);
+	if (val)
+		printf("DDR0: Data of uncorrectable ECC event 0x%08x\n", val);
+	mfsdram(DDR0_38, val);
+	if (val)
+		printf("DDR0: Address of correctable ECC event %p\n", val);
+	mfsdram(DDR0_39, val);
+	if (val)
+		printf("DDR0: Address of correctable ECC event %p\n", val);
+	mfsdram(DDR0_40, val);
+	if (val)
+		printf("DDR0: Data of correctable ECC event 0x%08x\n", val);
+	mfsdram(DDR0_41, val);
+	if (val)
+		printf("DDR0: Data of correctable ECC event 0x%08x\n", val);
+#endif /* CONFIG_440EPX */
+#endif /* CONFIG_440 */
 	show_regs(regs);
 	print_backtrace((unsigned long *)regs->gpr[1]);
 	panic("machine check");
@@ -297,17 +380,17 @@ addr_probe(uint *addr)
 
 	__asm__ __volatile__(			\
 		"1:	lwz %0,0(%1)\n"		\
-						"	eieio\n"		\
-						"	li %0,0\n"		\
-						"2:\n"				\
-						".section .fixup,\"ax\"\n"	\
-						"3:	li %0,-1\n"		\
-						"	b 2b\n"			\
-						".section __ex_table,\"a\"\n"	\
-						"	.align 2\n"		\
-						"	.long 1b,3b\n"		\
-						".text"				\
-						: "=r" (retval) : "r"(addr));
+		"	eieio\n"		\
+		"	li %0,0\n"		\
+		"2:\n"				\
+		".section .fixup,\"ax\"\n"	\
+		"3:	li %0,-1\n"		\
+		"	b 2b\n"			\
+		".section __ex_table,\"a\"\n"	\
+		"	.align 2\n"		\
+		"	.long 1b,3b\n"		\
+		".text"				\
+		: "=r" (retval) : "r"(addr));
 
 	return (retval);
 #endif