diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/tigerlake/include/soc/romstage.h | 2 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/romstage/romstage.c | 25 |
2 files changed, 25 insertions, 2 deletions
diff --git a/src/soc/intel/tigerlake/include/soc/romstage.h b/src/soc/intel/tigerlake/include/soc/romstage.h index 4a4fbe63b8..e3c7969127 100644 --- a/src/soc/intel/tigerlake/include/soc/romstage.h +++ b/src/soc/intel/tigerlake/include/soc/romstage.h @@ -6,6 +6,8 @@ #include <fsp/api.h> +/* Provide a callback to allow mainboard to override the DRAM part number. */ +bool mainboard_get_dram_part_num(const char **part_num, size_t *len); void mainboard_memory_init_params(FSPM_UPD *mupd); void systemagent_early_init(void); void pch_init(void); diff --git a/src/soc/intel/tigerlake/romstage/romstage.c b/src/soc/intel/tigerlake/romstage/romstage.c index fa9db6e29e..dc5dcf1a9b 100644 --- a/src/soc/intel/tigerlake/romstage/romstage.c +++ b/src/soc/intel/tigerlake/romstage/romstage.c @@ -22,6 +22,12 @@ 0x8d, 0x09, 0x11, 0xcf, 0x8b, 0x9f, 0x03, 0x23 \ } +bool __weak mainboard_get_dram_part_num(const char **part_num, size_t *len) +{ + /* Default weak implementation, no need to override part number. */ + return false; +} + /* Save the DIMM information for SMBIOS table 17 */ static void save_dimm_info(void) { @@ -36,6 +42,9 @@ static void save_dimm_info(void) const uint8_t smbios_memory_info_guid[16] = FSP_SMBIOS_MEMORY_INFO_GUID; const uint8_t *serial_num; + const char *dram_part_num = NULL; + size_t dram_part_num_len; + bool is_dram_part_overridden = false; /* Locate the memory info HOB, presence validated by raminit */ meminfo_hob = fsp_find_extension_hob_by_guid( @@ -57,6 +66,10 @@ static void save_dimm_info(void) } memset(mem_info, 0, sizeof(*mem_info)); + /* Allow mainboard to override DRAM part number. */ + is_dram_part_overridden = mainboard_get_dram_part_num(&dram_part_num, + &dram_part_num_len); + /* Save available DIMM information */ index = 0; dimm_max = ARRAY_SIZE(mem_info->dimm); @@ -75,6 +88,14 @@ static void save_dimm_info(void) if (src_dimm->Status != DIMM_PRESENT) continue; + /* If there is no DRAM part number overridden by + * mainboard then use original one. */ + if (!is_dram_part_overridden) { + dram_part_num_len = sizeof(src_dimm->ModulePartNum); + dram_part_num = (const char *) + &src_dimm->ModulePartNum[0]; + } + u8 memProfNum = meminfo_hob->MemoryProfile; serial_num = src_dimm->SpdSave + SPD_SAVE_OFFSET_SERIAL; @@ -87,8 +108,8 @@ static void save_dimm_info(void) src_dimm->RankInDimm, channel_info->ChannelId, src_dimm->DimmId, - (const char *)src_dimm->ModulePartNum, - sizeof(src_dimm->ModulePartNum), + dram_part_num, + dram_part_num_len, serial_num, meminfo_hob->DataWidth, meminfo_hob->VddVoltage[memProfNum], |