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| author | Jamie Ryu <jamie.m.ryu@intel.com> | 2022-07-22 13:58:14 -0700 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-12-09 23:57:03 +0000 |
| commit | ed8bdefcdf6c19258febb9931d1e8eb12b958bcc (patch) | |
| tree | 01bf390d7fcb463b624e87e7f41efa3ef83989c9 /src/ec | |
| parent | c03cdc143a90d410066f210243278aac5acd3116 (diff) | |
| download | coreboot-ed8bdefcdf6c19258febb9931d1e8eb12b958bcc.tar.gz coreboot-ed8bdefcdf6c19258febb9931d1e8eb12b958bcc.tar.bz2 coreboot-ed8bdefcdf6c19258febb9931d1e8eb12b958bcc.zip | |
mb/intel/mtlrvp: Add MTL-P RVP board ids
This adds MTL-P board id definition. Change include,
1. Add board_id.c implementation
2. Add board_id.h implementation
3. Add board_id config in variants.h
4. Makefile changes
BUG=b:224325352
TEST=Able to build with the patch and boot the mtlrvp platform with the
subsequent patches in the train
Signed-off-by: Jamie Ryu <jamie.m.ryu@intel.com>
Change-Id: I90b0543d5db208f696d2c2c2dc3d2581514a845b
Signed-off-by: Harsha B R <harsha.b.r@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66102
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Usha P <usha.p@intel.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Diffstat (limited to 'src/ec')
| -rw-r--r-- | src/ec/intel/board_id.c | 27 | ||||
| -rw-r--r-- | src/ec/intel/board_id.h | 10 |
2 files changed, 34 insertions, 3 deletions
diff --git a/src/ec/intel/board_id.c b/src/ec/intel/board_id.c index 2d50b4a61430..15acad6617a4 100644 --- a/src/ec/intel/board_id.c +++ b/src/ec/intel/board_id.c @@ -2,9 +2,32 @@ #include <boardid.h> #include "board_id.h" +#include <ec/acpi/ec.h> +#include <ec/google/chromeec/ec.h> +#include <types.h> -/* Get RVP Board ID */ +static uint32_t get_board_id_via_ext_ec(void) +{ + uint32_t id = BOARD_ID_INIT; + + if (google_chromeec_get_board_version(&id)) + id = BOARD_ID_UNKNOWN; + + return id; +} + +/* Get Board ID via EC I/O port write/read */ int get_rvp_board_id(void) { - return BOARD_ID_INIT; + MAYBE_STATIC_NONZERO int id = BOARD_ID_UNKNOWN; + + if (CONFIG(EC_GOOGLE_CHROMEEC)) { /* CHROME_EC */ + id = get_board_id_via_ext_ec(); + } else { /* WINDOWS_EC */ + if (send_ec_command(EC_FAB_ID_CMD) == 0) { + id = recv_ec_data() << 8; + id |= recv_ec_data(); + } + } + return (id & BOARD_ID_MASK); } diff --git a/src/ec/intel/board_id.h b/src/ec/intel/board_id.h index e4f24d172af9..821bb30b65db 100644 --- a/src/ec/intel/board_id.h +++ b/src/ec/intel/board_id.h @@ -3,7 +3,15 @@ #ifndef _MAINBOARD_COMMON_BOARD_ID_H_ #define _MAINBOARD_COMMON_BOARD_ID_H_ -/* Returns RVP board_id */ +/* Board/FAB ID Command */ +#define EC_FAB_ID_CMD 0x0d +/* Bit 5:0 for Board ID */ +#define BOARD_ID_MASK 0x3f + +/* + * Returns board information (board id[15:8] and + * Fab info[7:0]) on success and < 0 on error + */ int get_rvp_board_id(void); #endif /* _MAINBOARD_COMMON_BOARD_ID_H_ */ |