diff options
Diffstat (limited to 'src/mainboard/google/hatch/romstage.c')
| -rw-r--r-- | src/mainboard/google/hatch/romstage.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/romstage.c b/src/mainboard/google/hatch/romstage.c index 401f41f22b..429aa09d8f 100644 --- a/src/mainboard/google/hatch/romstage.c +++ b/src/mainboard/google/hatch/romstage.c @@ -14,8 +14,12 @@ */ #include <baseboard/variants.h> +#include <console/console.h> +#include <ec/google/chromeec/ec.h> +#include <memory_info.h> #include <soc/cnl_memcfg_init.h> #include <soc/romstage.h> +#include <string.h> void mainboard_memory_init_params(FSPM_UPD *memupd) { @@ -27,3 +31,29 @@ void mainboard_memory_init_params(FSPM_UPD *memupd) cannonlake_memcfg_init(&memupd->FspmConfig, variant_memory_params(), &spd); } + +void mainboard_get_dram_part_num(const char **part_num, size_t *len) +{ + static char part_num_store[DIMM_INFO_PART_NUMBER_SIZE]; + static enum { + PART_NUM_NOT_READ, + PART_NUM_AVAILABLE, + PART_NUM_NOT_IN_CBI, + } part_num_state = PART_NUM_NOT_READ; + + if (part_num_state == PART_NUM_NOT_READ) { + if (google_chromeec_cbi_get_dram_part_num(&part_num_store[0], + sizeof(part_num_store)) < 0) { + printk(BIOS_ERR, "No DRAM part number in CBI!\n"); + part_num_state = PART_NUM_NOT_IN_CBI; + } else { + part_num_state = PART_NUM_AVAILABLE; + } + } + + if (part_num_state == PART_NUM_NOT_IN_CBI) + return; + + *part_num = &part_num_store[0]; + *len = strlen(part_num_store) + 1; +} |