diff options
Diffstat (limited to 'src/soc/intel/apollolake/meminit.c')
| -rw-r--r-- | src/soc/intel/apollolake/meminit.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/soc/intel/apollolake/meminit.c b/src/soc/intel/apollolake/meminit.c index 9546c19086..0a696746a3 100644 --- a/src/soc/intel/apollolake/meminit.c +++ b/src/soc/intel/apollolake/meminit.c @@ -73,11 +73,12 @@ static void set_lpddr4_defaults(FSP_M_CONFIG *cfg) cfg->Ch2_Option = 0x3; cfg->Ch3_Option = 0x3; - /* Weak on-die termination. */ - cfg->Ch0_OdtConfig = 0; - cfg->Ch1_OdtConfig = 0; - cfg->Ch2_OdtConfig = 0; - cfg->Ch3_OdtConfig = 0; + /* Set CA ODT with default setting of ODT pins of LPDDR4 modules pulled + up to 1.1V. */ + cfg->Ch0_OdtConfig = ODT_A_B_HIGH_HIGH; + cfg->Ch1_OdtConfig = ODT_A_B_HIGH_HIGH; + cfg->Ch2_OdtConfig = ODT_A_B_HIGH_HIGH; + cfg->Ch3_OdtConfig = ODT_A_B_HIGH_HIGH; } void meminit_lpddr4(FSP_M_CONFIG *cfg, int speed) @@ -319,3 +320,9 @@ void save_lpddr4_dimm_info(const struct lpddr4_cfg *lp4cfg, size_t mem_sku) mem_info->dimm_cnt = index; printk(BIOS_DEBUG, "%d DIMMs found\n", mem_info->dimm_cnt); } + +uint8_t fsp_memory_soc_version(void) +{ + /* Bump this value when the memory configuration parameters change. */ + return 1; +} |