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ec/google/chromeec: add support for retrieving OEM name 

OEM name can be stored in CBI. This change can support for fetching
the OEM name from CBI.

BUG=b:118798180
TEST=Verified to get data from CBI

Change-Id: I4938c4d60fcad9e1f43ef69cc4441d1653de7e24
Signed-off-by: Wisley Chen <wisley.chen@quantatw.com>
Reviewed-on: https://review.coreboot.org/29497
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
This commit is contained in:
Wisley Chen 2018-11-06 09:28:23 +08:00 committed by Furquan Shaikh
parent 9b8fa7214f
commit c1efec7f16
3 changed files with 14 additions and 2 deletions
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14
src/ec/google/chromeec/ec.c
View File

@ -611,10 +611,10 @@ int google_chromeec_cbi_get_oem_id(uint32_t *id)
return cbi_get_uint32(id, CBI_TAG_OEM_ID);
}
int google_chromeec_cbi_get_dram_part_num(char *buf, size_t bufsize)
static int cbi_get_string(char *buf, size_t bufsize, uint32_t tag)
{
struct ec_params_get_cbi p = {
.tag = CBI_TAG_DRAM_PART_NUM,
.tag = tag,
};
struct chromeec_command cmd = {
.cmd_code = EC_CMD_GET_CROS_BOARD_INFO,
@ -636,6 +636,16 @@ int google_chromeec_cbi_get_dram_part_num(char *buf, size_t bufsize)
return 0;
}
int google_chromeec_cbi_get_dram_part_num(char *buf, size_t bufsize)
{
return cbi_get_string(buf, bufsize, CBI_TAG_DRAM_PART_NUM);
}
int google_chromeec_cbi_get_oem_name(char *buf, size_t bufsize)
{
return cbi_get_string(buf, bufsize, CBI_TAG_OEM_NAME);
}
int google_chromeec_get_board_version(uint32_t *version)
{
struct chromeec_command cmd;

1
src/ec/google/chromeec/ec.h
View File

@ -84,6 +84,7 @@ int google_chromeec_reboot(int dev_idx, enum ec_reboot_cmd type, uint8_t flags);
int google_chromeec_cbi_get_oem_id(uint32_t *id);
int google_chromeec_cbi_get_sku_id(uint32_t *id);
int google_chromeec_cbi_get_dram_part_num(char *buf, size_t bufsize);
int google_chromeec_cbi_get_oem_name(char *buf, size_t bufsize);
/* MEC uses 0x800/0x804 as register/index pair, thus an 8-byte resource. */
#define MEC_EMI_BASE 0x800

1
src/ec/google/chromeec/ec_commands.h
View File

@ -4781,6 +4781,7 @@ enum cbi_data_tag {
CBI_TAG_OEM_ID = 1, /* uint8_t */
CBI_TAG_SKU_ID = 2, /* uint8_t */
CBI_TAG_DRAM_PART_NUM = 3, /* variable length ascii, nul terminated. */
CBI_TAG_OEM_NAME = 4, /* variable length ascii, nul terminated. */
CBI_TAG_COUNT,
};