diff options
Diffstat (limited to 'src/northbridge/intel/sandybridge/mrccache.c')
-rw-r--r-- | src/northbridge/intel/sandybridge/mrccache.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/src/northbridge/intel/sandybridge/mrccache.c b/src/northbridge/intel/sandybridge/mrccache.c index d774ff0988..00b3bdd362 100644 --- a/src/northbridge/intel/sandybridge/mrccache.c +++ b/src/northbridge/intel/sandybridge/mrccache.c @@ -118,17 +118,22 @@ struct mrc_data_container *find_current_mrc_cache(void) * from having no cache area at all */ return mrc_cache; - } else { - /* Search for the last filled entry in the region */ - while (is_mrc_cache(mrc_next)) { - entry_id++; - mrc_cache = mrc_next; - mrc_next = next_mrc_block(mrc_cache); - /* Stay in the mrc data region */ - if ((void*)mrc_next >= (void*)(mrc_region + region_size)) - break; - } - entry_id--; + } + + /* Search for the last filled entry in the region */ + while (is_mrc_cache(mrc_next)) { + entry_id++; + mrc_cache = mrc_next; + mrc_next = next_mrc_block(mrc_cache); + /* Stay in the mrc data region */ + if ((void*)mrc_next >= (void*)(mrc_region + region_size)) + break; + } + entry_id--; + + if (entry_id == -1) { + printk(BIOS_ERR, "%s: No valid MRC cache found.\n", __func__); + return NULL; } /* Verify checksum */ @@ -150,6 +155,7 @@ struct mrc_data_container *find_current_mrc_cache(void) #if !defined(__PRE_RAM__) void update_mrc_cache(void) { + printk(BIOS_DEBUG, "Updating MRC cache data.\n"); struct mrc_data_container *current = cbmem_find(CBMEM_ID_MRCDATA); if (!current) { printk(BIOS_ERR, "No MRC cache in cbmem. Can't update flash.\n"); @@ -166,12 +172,14 @@ void update_mrc_cache(void) // 0. compare MRC data to last mrc-cache block (exit if same) struct mrc_data_container *cache; if ((cache = find_current_mrc_cache()) == NULL) { - printk(BIOS_DEBUG, "Failure looking for current last block\n"); + printk(BIOS_DEBUG, "Failure looking for current last block.\n"); return; } - if ((cache->mrc_data_size == current->mrc_data_size) && (memcmp(cache, current, cache->mrc_data_size) == 0)) { - printk(BIOS_DEBUG, "MRC data in flash is up to date. No update.\n"); + if ((cache->mrc_data_size == current->mrc_data_size) && + (memcmp(cache, current, cache->mrc_data_size) == 0)) { + printk(BIOS_DEBUG, + "MRC data in flash is up to date. No update.\n"); return; } |