diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/Kconfig | 4 | ||||
| -rw-r--r-- | src/arch/x86/smbios.c | 62 |
2 files changed, 66 insertions, 0 deletions
diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig index b3cf96bb7a..7b3f34ae72 100644 --- a/src/arch/x86/Kconfig +++ b/src/arch/x86/Kconfig @@ -359,4 +359,8 @@ config ECFW_PTR_SIZE help Size of reserved space for EC firmware pointer +config DUMP_SMBIOS_TYPE17 + bool "Dump part of SMBIOS type17 dimm information." + depends on GENERATE_SMBIOS_TABLES + endif diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c index 1ec0ad20fe..733d44b2ce 100644 --- a/src/arch/x86/smbios.c +++ b/src/arch/x86/smbios.c @@ -219,6 +219,65 @@ static void smbios_fill_dimm_serial_number(const struct dimm_info *dimm, t->serial_number = smbios_add_string(t->eos, serial); } +static const char *memory_device_type(u8 code) +{ + /* SMBIOS spec 3.6 7.18.2 */ + static const char * const type[] = { + "Other", + "Unknown", + "DRAM", + "EDRAM", + "VRAM", + "SRAM", + "RAM", + "ROM", + "Flash", + "EEPROM", + "FEPROM", + "EPROM", + "CDRAM", + "3DRAM", + "SDRAM", + "SGRAM", + "RDRAM", + "DDR", + "DDR2", + "DDR2 FB-DIMM", + "Reserved", + "Reserved", + "Reserved", + "DDR3", + "FBD2", + "DDR4", /* 0x1A */ + "LPDDR", + "LPDDR2", + "LPDDR3", + "LPDDR4", + "Logical non-volatile device", + "HBM", + "HBM2", + "DDR5", + "LPDDR5", + "HBM3", /* 0x24 */ + }; + + if (code >= MEMORY_TYPE_OTHER && code <= MEMORY_TYPE_HBM3) + return type[code - 1]; + return "Unsupproted"; +} + +static void dump_smbios_type17(struct dimm_info *dimm) +{ + printk(BIOS_INFO, "memory at Channel-%d-DIMM-%d", dimm->channel_num, dimm->dimm_num); + printk(BIOS_INFO, " type is %s\n", memory_device_type(dimm->ddr_type)); + printk(BIOS_INFO, "memory part number is %s\n", dimm->module_part_number); + if (dimm->max_speed_mts != 0) + printk(BIOS_INFO, "memory max speed is %d MT/s\n", dimm->max_speed_mts); + printk(BIOS_INFO, "memory speed is %d MT/s\n", + dimm->configured_speed_mts ? : dimm->ddr_frequency); + printk(BIOS_INFO, "memory size is %d MiB\n", dimm->dimm_size); +} + static int create_smbios_type17_for_dimm(struct dimm_info *dimm, unsigned long *current, int *handle, int type16_handle) @@ -273,6 +332,9 @@ static int create_smbios_type17_for_dimm(struct dimm_info *dimm, t->phys_memory_array_handle = type16_handle; *handle += 1; + if (CONFIG(DUMP_SMBIOS_TYPE17)) + dump_smbios_type17(dimm); + return smbios_full_table_len(&t->header, t->eos); } |