diff options
Diffstat (limited to 'src/arch/x86/boot/smbios.c')
| -rw-r--r-- | src/arch/x86/boot/smbios.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/arch/x86/boot/smbios.c b/src/arch/x86/boot/smbios.c index f2f998d7bc..16e25311a3 100644 --- a/src/arch/x86/boot/smbios.c +++ b/src/arch/x86/boot/smbios.c @@ -30,6 +30,9 @@ #include <cbfs_core.h> #include <arch/byteorder.h> #include <elog.h> +#include <memory_info.h> +#include <spd.h> +#include <cbmem.h> #if CONFIG_CHROMEOS #include <vendorcode/google/chromeos/gnvs.h> #endif @@ -118,6 +121,97 @@ static int smbios_processor_name(char *start) return smbios_add_string(start, tmp); } +/* this function will fill the corresponding manufacturer */ +static void fill_dimm_manufacturer(uint16_t mod_id, struct smbios_type17 *t) +{ + switch (mod_id) { + case 0xad80: + t->manufacturer = smbios_add_string(t->eos, + "Hynix/Hyundai"); + break; + case 0xce80: + t->manufacturer = smbios_add_string(t->eos, + "Samsung"); + break; + case 0xfe02: + t->manufacturer = smbios_add_string(t->eos, + "Elpida"); + break; + default: + t->manufacturer = smbios_add_string(t->eos, + "Unknown"); + break; + } +} + +static int create_smbios_type17_for_dimm(struct dimm_info *dimm, + unsigned long *current, int *handle) +{ + struct smbios_type17 *t = (struct smbios_type17 *)*current; + uint8_t length; + char locator[40]; + + memset(t, 0, sizeof(struct smbios_type17)); + t->memory_type = dimm->ddr_type; + t->clock_speed = dimm->ddr_frequency; + t->speed = dimm->ddr_frequency; + t->type = SMBIOS_MEMORY_DEVICE; + t->size = dimm->dimm_size; + t->data_width = 8 * (1 << (dimm->bus_width & 0x7)); + t->total_width = t->data_width + 8 * ((dimm->bus_width & 0x18) >> 3); + + switch (dimm->mod_type) { + case SPD_RDIMM: + case SPD_MINI_RDIMM: + t->form_factor = MEMORY_FORMFACTOR_RIMM; + break; + case SPD_UDIMM: + case SPD_MICRO_DIMM: + case SPD_MINI_UDIMM: + t->form_factor = MEMORY_FORMFACTOR_DIMM; + break; + case SPD_SODIMM: + t->form_factor = MEMORY_FORMFACTOR_SODIMM; + break; + default: + t->form_factor = MEMORY_FORMFACTOR_UNKNOWN; + break; + } + + fill_dimm_manufacturer(dimm->mod_id, t); + /* put '\0' in the end of data */ + length = sizeof(dimm->serial); + dimm->serial[length - 1] = '\0'; + if (dimm->serial[0] == 0) + t->serial_number = smbios_add_string(t->eos, "None"); + else + t->serial_number = smbios_add_string(t->eos, + (const char *)dimm->serial); + + snprintf(locator, sizeof(locator), "Channel-%d-DIMM-%d", + dimm->channel_num, dimm->dimm_num); + t->device_locator = smbios_add_string(t->eos, locator); + + snprintf(locator, sizeof(locator), "BANK %d", dimm->bank_locator); + t->bank_locator = smbios_add_string(t->eos, locator); + + /* put '\0' in the end of data */ + length = sizeof(dimm->module_part_number); + dimm->module_part_number[length - 1] = '\0'; + t->part_number = smbios_add_string(t->eos, + (const char *)dimm->module_part_number); + + /* Synchronous = 1 */ + t->type_detail = 0x0080; + /* no handle for error information */ + t->memory_error_information_handle = 0xFFFE; + t->attributes = dimm->rank_per_dimm; + t->handle = *handle; + *handle += 1; + t->length = sizeof(struct smbios_type17) - 2; + return t->length + smbios_string_table_len(t->eos); +} + const char *__attribute__((weak)) smbios_mainboard_bios_version(void) { if (strlen(CONFIG_LOCALVERSION)) @@ -327,6 +421,26 @@ static int smbios_write_type11(unsigned long *current, int *handle) return len; } +static int smbios_write_type17(unsigned long *current, int *handle) +{ + int len = sizeof(struct smbios_type17); + int i; + + struct memory_info *meminfo; + meminfo = cbmem_find(CBMEM_ID_MEMINFO); + if (meminfo == NULL) + return 0; /* can't find mem info in cbmem */ + + printk(BIOS_INFO, "Create SMBIOS type 17\n"); + for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { + struct dimm_info *dimm; + dimm = &meminfo->dimm[i]; + len = create_smbios_type17_for_dimm(dimm, current, handle); + *current += len; + } + return meminfo->dimm_cnt * len; +} + static int smbios_write_type32(unsigned long *current, int handle) { struct smbios_type32 *t = (struct smbios_type32 *)*current; @@ -416,6 +530,7 @@ unsigned long smbios_write_tables(unsigned long current) #if CONFIG_ELOG len += elog_smbios_write_type15(¤t, handle++); #endif + len += smbios_write_type17(¤t, &handle); len += smbios_write_type32(¤t, handle++); len += smbios_walk_device_tree(all_devices, &handle, ¤t); |