cros_ec: Add support for reading the SKU ID
This allows reading strapping pins attached to the EC. Add an
implementation for this.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c
index e51ac87..80709be 100644
--- a/drivers/misc/cros_ec.c
+++ b/drivers/misc/cros_ec.c
@@ -1105,6 +1105,19 @@
return 0;
}
+int cros_ec_get_sku_id(struct udevice *dev)
+{
+ struct ec_sku_id_info *r;
+ int ret;
+
+ ret = ec_command_inptr(dev, EC_CMD_GET_SKU_ID, 0, NULL, 0,
+ (uint8_t **)&r, sizeof(*r));
+ if (ret != sizeof(*r))
+ return -ret;
+
+ return r->sku_id;
+}
+
int cros_ec_read_nvdata(struct udevice *dev, uint8_t *block, int size)
{
struct ec_params_vbnvcontext p;
diff --git a/drivers/misc/cros_ec_sandbox.c b/drivers/misc/cros_ec_sandbox.c
index 1922a9c..9324384 100644
--- a/drivers/misc/cros_ec_sandbox.c
+++ b/drivers/misc/cros_ec_sandbox.c
@@ -473,6 +473,13 @@
len = sizeof(*resp);
break;
}
+ case EC_CMD_GET_SKU_ID: {
+ struct ec_sku_id_info *resp = resp_data;
+
+ resp->sku_id = 1234;
+ len = sizeof(*resp);
+ break;
+ }
default:
printf(" ** Unknown EC command %#02x\n", req_hdr->command);
return -1;