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misc: ele_api: Add read/write shadow fuse APIs

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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>
This commit is contained in:
Ye Li
2024-10-06 08:30:03 +08:00
committed by Fabio Estevam
parent 929dc83b73
commit e6bdb8dfde
2 changed files with 70 additions and 0 deletions
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66
drivers/misc/imx_ele/ele_api.c
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@@ -268,6 +268,72 @@ int ele_write_fuse(u16 fuse_id, u32 fuse_val, bool lock, u32 *response)
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;