Arthur Heymans has uploaded this change for review. ( https://review.coreboot.org/21621
Change subject: nb/i945/raminit: Don't fall back to smbus read on failed SPD decode ......................................................................
nb/i945/raminit: Don't fall back to smbus read on failed SPD decode
SPD decoding problems are no longer a good method for detecting if i2c byte read failed, since the return value of i2c_block_read is checked.
Change-Id: I230aa22964c452cf28a9370c927b82c57e39cc62 Signed-off-by: Arthur Heymans arthur@aheymans.xyz --- M src/northbridge/intel/i945/raminit.c 1 file changed, 8 insertions(+), 5 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/21/21621/1
diff --git a/src/northbridge/intel/i945/raminit.c b/src/northbridge/intel/i945/raminit.c index a9d183c..b7d2108 100644 --- a/src/northbridge/intel/i945/raminit.c +++ b/src/northbridge/intel/i945/raminit.c @@ -387,8 +387,7 @@ printk(BIOS_DEBUG, "Reading SPD using i2c block operation.\n"); if (IS_ENABLED(CONFIG_DEBUG_RAM_SETUP) && bytes_read > 0) hexdump(raw_spd, bytes_read); - if (bytes_read != 64 || spd_decode_ddr2(&dimm_info, raw_spd) - != SPD_STATUS_OK) { + if (bytes_read != 64) { /* Try again with SMBUS byte read */ printk(BIOS_DEBUG, "i2c block operation failed," "trying smbus byte operation.\n"); @@ -396,10 +395,14 @@ raw_spd[j] = spd_read_byte(device, j); if (IS_ENABLED(CONFIG_DEBUG_RAM_SETUP)) hexdump(raw_spd, 64); - if (spd_decode_ddr2(&dimm_info, raw_spd) - != SPD_STATUS_OK) - continue; } + + if (spd_decode_ddr2(&dimm_info, raw_spd) != SPD_STATUS_OK) { + printk(BIOS_WARNING, "Encountered problems with SPD, " + "skipping this dimm.\n"); + continue; + } + if (IS_ENABLED(CONFIG_DEBUG_RAM_SETUP)) dram_print_spd_ddr2(&dimm_info);