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Publish the board ID value in coreboot table, when configured

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Board ID value is usually of interest to bootloaders. Instead of
duplicating the board ID discovery code in different bootloaders let's
determine it in coreboot and publish it through coreboot table, when
configured.

BUG=chrome-os-partner:30489
TEST=none yet

Change-Id: Iee247c44a1c91dbcedcc9058e8742c75ff951f43
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/210116
Reviewed-by: David Hendricks <dhendrix@chromium.org>
This commit is contained in:
Vadim Bendebury 2014-07-28 16:03:07 -07:00 • committed by chrome-internal-fetch
commit b2057a02db
4 changed files with 37 additions and 5 deletions
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8
src/include/boot/coreboot_tables.h
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@ -244,6 +244,14 @@ struct lb_x86_rom_mtrr {
uint32_t index;
};
#define LB_TAG_BOARD_ID 0x0025
struct lb_board_id {
uint32_t tag;
uint32_t size;
/* Board ID as retrieved from the board revision GPIOs. */
uint32_t board_id;
};
/* The following structures are for the cmos definitions table */
#define LB_TAG_CMOS_OPTION_TABLE 200
/* cmos header record */