misc: ele_api: Add read/write shadow fuse APIs
Add ELE APIs to support read and write shadow fuses
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/misc/imx_ele/ele_api.c b/drivers/misc/imx_ele/ele_api.c
index 8f321fb..661f70c 100644
--- a/drivers/misc/imx_ele/ele_api.c
+++ b/drivers/misc/imx_ele/ele_api.c
@@ -268,6 +268,72 @@
return ret;
}
+int ele_write_shadow_fuse(u32 fuse_id, u32 fuse_val, u32 *response)
+{
+ struct udevice *dev = gd->arch.ele_dev;
+ int size = sizeof(struct ele_msg);
+ struct ele_msg msg;
+ int ret;
+
+ if (!dev) {
+ printf("ele dev is not initialized\n");
+ return -ENODEV;
+ }
+
+ msg.version = ELE_VERSION;
+ msg.tag = ELE_CMD_TAG;
+ msg.size = 3;
+ msg.command = ELE_WRITE_SHADOW_REQ;
+ msg.data[0] = fuse_id;
+ msg.data[1] = fuse_val;
+
+ ret = misc_call(dev, false, &msg, size, &msg, size);
+ if (ret)
+ printf("Error: %s: ret %d, fuse_id 0x%x, response 0x%x\n",
+ __func__, ret, fuse_id, msg.data[0]);
+
+ if (response)
+ *response = msg.data[0];
+
+ return ret;
+}
+
+int ele_read_shadow_fuse(u32 fuse_id, u32 *fuse_val, u32 *response)
+{
+ struct udevice *dev = gd->arch.ele_dev;
+ int size = sizeof(struct ele_msg);
+ struct ele_msg msg = {};
+ int ret;
+
+ if (!dev) {
+ printf("ele dev is not initialized\n");
+ return -ENODEV;
+ }
+
+ if (!fuse_val) {
+ printf("Invalid parameters for shadow read\n");
+ return -EINVAL;
+ }
+
+ msg.version = ELE_VERSION;
+ msg.tag = ELE_CMD_TAG;
+ msg.size = 2;
+ msg.command = ELE_READ_SHADOW_REQ;
+ msg.data[0] = fuse_id;
+
+ ret = misc_call(dev, false, &msg, size, &msg, size);
+ if (ret)
+ printf("Error: %s: ret %d, fuse_id 0x%x, response 0x%x\n",
+ __func__, ret, fuse_id, msg.data[0]);
+
+ if (response)
+ *response = msg.data[0];
+
+ *fuse_val = msg.data[1];
+
+ return ret;
+}
+
int ele_release_caam(u32 core_did, u32 *response)
{
struct udevice *dev = gd->arch.ele_dev;