diff options
| author | Stefan Roese <sr@denx.de> | 2010-07-21 19:06:26 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2010-07-23 09:55:03 +0200 |
| commit | be24ef6e8ee48602f453bf16c7b7b708fac0eb2f (patch) | |
| tree | b2faf421c0c945f809d9509b137eeb7fc77e1df1 /arch/powerpc/cpu/ppc4xx | |
| parent | 58eb869ffc45856658648e24a88d47fdd3768b53 (diff) | |
ppc4xx: Add ECC status info to machine-check exception for IBM DDR2 core
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'arch/powerpc/cpu/ppc4xx')
| -rw-r--r-- | arch/powerpc/cpu/ppc4xx/traps.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/traps.c b/arch/powerpc/cpu/ppc4xx/traps.c index 1616772f0..b5562ad97 100644 --- a/arch/powerpc/cpu/ppc4xx/traps.c +++ b/arch/powerpc/cpu/ppc4xx/traps.c @@ -209,6 +209,22 @@ MachineCheckException(struct pt_regs *regs) /* Clear MCSR */ mtspr(SPRN_MCSR, val); } + +#if defined(CONFIG_DDR_ECC) && defined(CONFIG_SDRAM_PPC4xx_IBM_DDR2) + /* + * Read and print ECC status register/info: + * The faulting address is only known upon uncorrectable ECC + * errors. + */ + mfsdram(SDRAM_ECCES, val); + if (val & SDRAM_ECCES_CE) + printf("ECC: Correctable error\n"); + if (val & SDRAM_ECCES_UE) { + printf("ECC: Uncorrectable error at 0x%02x%08x\n", + mfdcr(SDRAM_ERRADDULL), mfdcr(SDRAM_ERRADDLLL)); + } +#endif /* CONFIG_DDR_ECC ... */ + #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) mfsdram(DDR0_00, val) ; printf("DDR0: DDR0_00 %lx\n", val); |