diff options
| author | Julius Werner <jwerner@chromium.org> | 2017-12-05 13:49:21 -0800 |
|---|---|---|
| committer | Julius Werner <jwerner@chromium.org> | 2017-12-07 01:19:38 +0000 |
| commit | f38a10f8d2550e28da47d8661622df69a621ee5d (patch) | |
| tree | 7de73977afe40237eac91aa82ec07f396e6cab2e /payloads | |
| parent | 96ed92d49dca18ca0d19de352831cf8df6f2e84c (diff) | |
libpayload: Add SKU ID coreboot table support
This patch adds support to read the SKU ID entry from the coreboot table
that was recently added in coreboot.
Change-Id: I1c3b375da6119a4f8e8e7e25a11644becb90f927
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/22743
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'payloads')
| -rw-r--r-- | payloads/libpayload/include/coreboot_tables.h | 1 | ||||
| -rw-r--r-- | payloads/libpayload/include/sysinfo.h | 1 | ||||
| -rw-r--r-- | payloads/libpayload/libc/coreboot.c | 10 |
3 files changed, 12 insertions, 0 deletions
diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h index 5bc56d0f6e..6b6d1b421e 100644 --- a/payloads/libpayload/include/coreboot_tables.h +++ b/payloads/libpayload/include/coreboot_tables.h @@ -239,6 +239,7 @@ struct cb_x86_rom_mtrr { #define CB_TAG_BOARD_ID 0x0025 #define CB_TAG_RAM_CODE 0x0028 +#define CB_TAG_SKU_ID 0x002d struct cb_strapping_id { uint32_t tag; uint32_t size; diff --git a/payloads/libpayload/include/sysinfo.h b/payloads/libpayload/include/sysinfo.h index b46d4b1311..f221a15faa 100644 --- a/payloads/libpayload/include/sysinfo.h +++ b/payloads/libpayload/include/sysinfo.h @@ -112,6 +112,7 @@ struct sysinfo_t { #define UNDEFINED_STRAPPING_ID (~0) u32 board_id; u32 ram_code; + u32 sku_id; void *wifi_calibration; uint64_t ramoops_buffer; diff --git a/payloads/libpayload/libc/coreboot.c b/payloads/libpayload/libc/coreboot.c index 1efde9a332..d831b96ba2 100644 --- a/payloads/libpayload/libc/coreboot.c +++ b/payloads/libpayload/libc/coreboot.c @@ -157,6 +157,12 @@ static void cb_parse_ram_code(unsigned char *ptr, struct sysinfo_t *info) info->ram_code = ram_code->id_code; } +static void cb_parse_sku_id(unsigned char *ptr, struct sysinfo_t *info) +{ + struct cb_strapping_id *const sku_id = (struct cb_strapping_id *)ptr; + info->sku_id = sku_id->id_code; +} + #if IS_ENABLED(CONFIG_LP_NVRAM) static void cb_parse_optiontable(void *ptr, struct sysinfo_t *info) { @@ -280,6 +286,7 @@ int cb_parse_header(void *addr, int len, struct sysinfo_t *info) /* Initialize IDs as undefined in case they don't show up in table. */ info->board_id = UNDEFINED_STRAPPING_ID; info->ram_code = UNDEFINED_STRAPPING_ID; + info->sku_id = UNDEFINED_STRAPPING_ID; /* Now, walk the tables. */ ptr += header->header_bytes; @@ -380,6 +387,9 @@ int cb_parse_header(void *addr, int len, struct sysinfo_t *info) case CB_TAG_RAM_CODE: cb_parse_ram_code(ptr, info); break; + case CB_TAG_SKU_ID: + cb_parse_sku_id(ptr, info); + break; case CB_TAG_WIFI_CALIBRATION: cb_parse_wifi_calibration(ptr, info); break; |