diff options
Diffstat (limited to 'src/northbridge/amd/amdfam10/northbridge.c')
| -rw-r--r-- | src/northbridge/amd/amdfam10/northbridge.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c index 2846ed3015..2e7fc3a990 100644 --- a/src/northbridge/amd/amdfam10/northbridge.c +++ b/src/northbridge/amd/amdfam10/northbridge.c @@ -1063,6 +1063,36 @@ static int amdfam10_get_smbios_data17(int* count, int handle, int parent_handle, snprintf(string_buffer, sizeof (string_buffer), "%08X", mem_info->dct_stat[node].DimmSerialNumber[slot]); t->serial_number = smbios_add_string(t->eos, string_buffer); } + if (IS_ENABLED(CONFIG_DIMM_DDR2)) { + /* JEDEC specifies 1.8V only, so assume that the memory is configured for 1.8V */ + t->minimum_voltage = 1800; + t->maximum_voltage = 1800; + t->configured_voltage = 1800; + } else if (IS_ENABLED(CONFIG_DIMM_DDR3)) { +#if IS_ENABLED(CONFIG_DIMM_DDR3) + /* Find the maximum and minimum supported voltages */ + uint8_t supported_voltages = mem_info->dct_stat[node].DimmSupportedVoltages[slot]; + if (supported_voltages & 0x8) + t->minimum_voltage = 1150; + else if (supported_voltages & 0x4) + t->minimum_voltage = 1250; + else if (supported_voltages & 0x2) + t->minimum_voltage = 1350; + else if (supported_voltages & 0x1) + t->minimum_voltage = 1500; + + if (supported_voltages & 0x1) + t->maximum_voltage = 1500; + else if (supported_voltages & 0x2) + t->maximum_voltage = 1350; + else if (supported_voltages & 0x4) + t->maximum_voltage = 1250; + else if (supported_voltages & 0x8) + t->maximum_voltage = 1150; + + t->configured_voltage = mem_info->dct_stat[node].DimmConfiguredVoltage[slot]; +#endif + } t->memory_error_information_handle = 0xFFFE; /* no error information handle available */ single_len = t->length + smbios_string_table_len(t->eos); len += single_len; |