diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/imx_ele/ele_api.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/misc/imx_ele/ele_api.c b/drivers/misc/imx_ele/ele_api.c index 8f321fbf40e..661f70cf870 100644 --- a/drivers/misc/imx_ele/ele_api.c +++ b/drivers/misc/imx_ele/ele_api.c @@ -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; |