diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/smbios.c | 10 | ||||
| -rw-r--r-- | src/include/memory_info.h | 14 |
2 files changed, 22 insertions, 2 deletions
diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c index 6c92d03c72..7516305191 100644 --- a/src/arch/x86/smbios.c +++ b/src/arch/x86/smbios.c @@ -281,8 +281,14 @@ static int create_smbios_type17_for_dimm(struct dimm_info *dimm, memset(t, 0, sizeof(struct smbios_type17)); t->memory_type = dimm->ddr_type; - t->clock_speed = dimm->ddr_frequency; - t->speed = dimm->ddr_frequency; + if (dimm->configured_speed_mts != 0) + t->clock_speed = dimm->configured_speed_mts; + else + t->clock_speed = dimm->ddr_frequency; + if (dimm->max_speed_mts != 0) + t->speed = dimm->max_speed_mts; + else + t->speed = dimm->ddr_frequency; t->type = SMBIOS_MEMORY_DEVICE; if (dimm->dimm_size < 0x7fff) { t->size = dimm->dimm_size; diff --git a/src/include/memory_info.h b/src/include/memory_info.h index f4a200995c..d9d9c37733 100644 --- a/src/include/memory_info.h +++ b/src/include/memory_info.h @@ -28,6 +28,10 @@ struct dimm_info { * See the smbios.h smbios_memory_type enum. */ uint16_t ddr_type; + /* + * ddr_frequency is deprecated. + * Use max_speed_mts and configured_speed_mts instead. + */ uint16_t ddr_frequency; uint8_t rank_per_dimm; uint8_t channel_num; @@ -79,6 +83,16 @@ struct dimm_info { * Voltage Level */ uint16_t vdd_voltage; + /* + * Max speed in MT/s + * If the value is 0, ddr_frequency should be used instead. + */ + uint16_t max_speed_mts; + /* + * Configured speed in MT/s + * If the value is 0, ddr_frequency should be used instead. + */ + uint16_t configured_speed_mts; } __packed; struct memory_info { |