diff options
| author | Vadim Bendebury <vbendeb@chromium.org> | 2014-07-29 17:51:29 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-20 15:30:49 +0100 |
| commit | 6051e8334eb46651f069138bdcd5c7285c0b4026 (patch) | |
| tree | 5e8763784fac1702d5e7e50187889f4f95c1d20c /payloads/libpayload/arch/x86 | |
| parent | 562d71faea00a4e27b42e9e308a51586d9de5eb2 (diff) | |
| download | coreboot-6051e8334eb46651f069138bdcd5c7285c0b4026.tar.xz | |
libpayload: Add board id parsing
Make board ID value supplied in the coreboot table available to the
bootloader on all three architectures.
BUG=chrome-os-partner:30489
TEST=none yet
Change-Id: I6c2d39e94212b55650929d7d99896581d23f789d
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 723e4a600a5d3a03e960169b04f8322f6dd2486b
Original-Change-Id: I7847bd9fe2d000a29c7ae95144f4868d926fb198
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/210430
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/8730
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'payloads/libpayload/arch/x86')
| -rw-r--r-- | payloads/libpayload/arch/x86/coreboot.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/x86/coreboot.c b/payloads/libpayload/arch/x86/coreboot.c index a4635576a3..43fde9f660 100644 --- a/payloads/libpayload/arch/x86/coreboot.c +++ b/payloads/libpayload/arch/x86/coreboot.c @@ -141,6 +141,12 @@ static void cb_parse_acpi_gnvs(unsigned char *ptr, struct sysinfo_t *info) info->acpi_gnvs = phys_to_virt(cbmem->cbmem_tab); } +static void cb_parse_board_id(unsigned char *ptr, struct sysinfo_t *info) +{ + struct cb_board_id *const cbbid = (struct cb_board_id *)ptr; + info->board_id = cbbid->board_id; +} + #ifdef CONFIG_LP_NVRAM static void cb_parse_optiontable(void *ptr, struct sysinfo_t *info) { @@ -206,6 +212,12 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info) info->header = header; + /* + * Valid board IDs are small numbers, preset this to an invalid value + * for the case when firmware does not supply the board ID. + */ + info->board_id = ~0; + /* Now, walk the tables. */ ptr += header->header_bytes; @@ -300,6 +312,9 @@ static int cb_parse_header(void *addr, int len, struct sysinfo_t *info) case CB_TAG_X86_ROM_MTRR: cb_parse_x86_rom_var_mtrr(ptr, info); break; + case CB_TAG_BOARD_ID: + cb_parse_board_id(ptr, info); + break; } ptr += rec->size; |