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authorJamie Ryu <jamie.m.ryu@intel.com>2022-07-22 13:58:14 -0700
committerFelix Held <felix-coreboot@felixheld.de>2022-12-09 23:57:03 +0000
commited8bdefcdf6c19258febb9931d1e8eb12b958bcc (patch)
tree01bf390d7fcb463b624e87e7f41efa3ef83989c9 /src
parentc03cdc143a90d410066f210243278aac5acd3116 (diff)
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')
-rw-r--r--src/ec/intel/board_id.c27
-rw-r--r--src/ec/intel/board_id.h10
-rw-r--r--src/mainboard/intel/mtlrvp/Makefile.inc1
-rw-r--r--src/mainboard/intel/mtlrvp/variants/baseboard/include/baseboard/variants.h15
4 files changed, 50 insertions, 3 deletions
diff --git a/src/ec/intel/board_id.c b/src/ec/intel/board_id.c
index 2d50b4a614..15acad6617 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 e4f24d172a..821bb30b65 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_ */
diff --git a/src/mainboard/intel/mtlrvp/Makefile.inc b/src/mainboard/intel/mtlrvp/Makefile.inc
index 71ca021fd0..3ec354afe3 100644
--- a/src/mainboard/intel/mtlrvp/Makefile.inc
+++ b/src/mainboard/intel/mtlrvp/Makefile.inc
@@ -6,4 +6,5 @@ BASEBOARD_DIR:=$(call strip_quotes,$(CONFIG_BASEBOARD_DIR))
subdirs-y += variants/baseboard/$(BASEBOARD_DIR)
subdirs-y += variants/$(VARIANT_DIR)
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/include
CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/$(BASEBOARD_DIR)/include
diff --git a/src/mainboard/intel/mtlrvp/variants/baseboard/include/baseboard/variants.h b/src/mainboard/intel/mtlrvp/variants/baseboard/include/baseboard/variants.h
new file mode 100644
index 0000000000..9ce216c8b0
--- /dev/null
+++ b/src/mainboard/intel/mtlrvp/variants/baseboard/include/baseboard/variants.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __BASEBOARD_VARIANTS_H__
+#define __BASEBOARD_VARIANTS_H__
+
+#include <stdint.h>
+
+enum mtl_boardid {
+ MTLP_DDR5_RVP = 0x01,
+ MTLP_LP5_T3_RVP = 0x02,
+ MTLP_LP5_T4_RVP = 0x04,
+ MTLM_LP5_RVP = 0x06,
+};
+
+#endif /*__BASEBOARD_VARIANTS_H__ */