ec/google: Get OEM ID and SKU ID from EC
This patch adds EC_CMD_GET_CROS_BOARD_INFO and two APIs to fetch
OEM ID and SKU ID from cros EC.
CBI abbreviates Cros Board Info.
BUG=b:70294260
BRANCH=none
TEST=Verify AP log shows expected OEM ID and SKU ID on Fizz.
Change-Id: Iff69a2dc0e562d87dd287f79c407f23aeb09fb9e
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://review.coreboot.org/23549
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/ec/google/chromeec/ec_commands.h b/src/ec/google/chromeec/ec_commands.h
index 92fb2a8..7c515c2 100644
--- a/src/ec/google/chromeec/ec_commands.h
+++ b/src/ec/google/chromeec/ec_commands.h
@@ -4363,6 +4363,66 @@
uint32_t action;
};
+/* Run verification on a slot */
+#define EC_CMD_EFS_VERIFY 0x011E
+
+struct __ec_align1 ec_params_efs_verify {
+ uint8_t region; /* enum ec_flash_region */
+};
+
+/*
+ * Retrieve info from Cros Board Info store. Response is based on the data
+ * type. Integers return a uint32. Strings return a string, using the response
+ * size to determine how big it is.
+ */
+#define EC_CMD_GET_CROS_BOARD_INFO 0x011F
+/*
+ * Write info into Cros Board Info on EEPROM. Write fails if the board has
+ * hardware write-protect enabled.
+ */
+#define EC_CMD_SET_CROS_BOARD_INFO 0x0120
+
+enum cbi_data_type {
+ /* integer types */
+ CBI_DATA_BOARD_VERSION = 0,
+ CBI_DATA_OEM_ID = 1,
+ CBI_DATA_SKU_ID = 2,
+ /* string types */
+ CBI_FIRST_STRING_PARAM = 0x1000,
+ CBI_DATA_COUNT,
+};
+
+/*
+ * Flags to control read operation
+ *
+ * RELOAD: Invalidate cache and read data from EEPROM. Useful to verify
+ * write was successful without reboot.
+ */
+#define CBI_GET_RELOAD (1 << 0)
+
+struct __ec_align4 ec_params_get_cbi {
+ uint32_t type; /* enum cbi_data_type */
+ uint32_t flag; /* CBI_GET_* */
+};
+
+/*
+ * Flags to control write behavior.
+ *
+ * NO_SYNC: Makes EC update data in RAM but skip writing to EEPROM. It's
+ * useful when writing multiple fields in a row.
+ * INIT: Needs to be set when creating a new CBI from scratch. All fields
+ * will be initialized to zero first.
+ */
+#define CBI_SET_NO_SYNC (1 << 0)
+#define CBI_SET_INIT (1 << 1)
+
+struct __ec_align1 ec_params_set_cbi {
+ uint32_t type; /* enum cbi_data_type */
+ uint32_t flag; /* CBI_SET_* */
+ uint32_t data; /* For numeric value */
+ uint8_t raw[]; /* For string and raw data */
+};
+
/*****************************************************************************/
/* The command range 0x200-0x2FF is reserved for Rotor. */