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smbios: Add type 17 device/bank locator override 

Current SMBIOS type 17 device and bank locator string is like
"Channel-x-Dimm-x" and "Bank-x", x is deciminal number. Give silicon or
mainboard vendor a chance to replace with something matches with
silkscreen.

Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Change-Id: I54f7282244cb25a05780a3cdb9d1f5405c600513
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32279
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Lijian Zhao 2019-04-11 00:45:10 -07:00 committed by Duncan Laurie
parent 83ad5a998d
commit 10ea93c334
2 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/arch/x86/smbios.c
View File

@ -203,6 +203,19 @@ void smbios_fill_dimm_manufacturer_from_id(uint16_t mod_id,
}
}
}
/* this function will fill the corresponding locator */
void __weak smbios_fill_dimm_locator(const struct dimm_info *dimm,
struct smbios_type17 *t)
{
char locator[40];
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);
}
static void trim_trailing_whitespace(char *buffer, size_t buffer_size)
{
@ -280,7 +293,6 @@ static int create_smbios_type17_for_dimm(struct dimm_info *dimm,
unsigned long *current, int *handle)
{
struct smbios_type17 *t = (struct smbios_type17 *)*current;
char locator[40];
memset(t, 0, sizeof(struct smbios_type17));
t->memory_type = dimm->ddr_type;
@ -316,13 +328,7 @@ static int create_smbios_type17_for_dimm(struct dimm_info *dimm,
smbios_fill_dimm_manufacturer_from_id(dimm->mod_id, t);
smbios_fill_dimm_serial_number(dimm, t);
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);
smbios_fill_dimm_locator(dimm, t);
/* put '\0' in the end of data */
dimm->module_part_number[DIMM_INFO_PART_NUMBER_SIZE - 1] = '\0';

3
src/include/smbios.h
View File

@ -19,6 +19,7 @@
#define SMBIOS_H
#include <types.h>
#include <memory_info.h>
unsigned long smbios_write_tables(unsigned long start);
int smbios_add_string(u8 *start, const char *str);
@ -629,6 +630,8 @@ struct smbios_type127 {
void smbios_fill_dimm_manufacturer_from_id(uint16_t mod_id,
struct smbios_type17 *t);
void smbios_fill_dimm_locator(const struct dimm_info *dimm,
struct smbios_type17 *t);
smbios_board_type smbios_mainboard_board_type(void);