diff options
Diffstat (limited to 'drivers/misc/imx_ele/ele_api.c')
| -rw-r--r-- | drivers/misc/imx_ele/ele_api.c | 79 |
1 files changed, 72 insertions, 7 deletions
diff --git a/drivers/misc/imx_ele/ele_api.c b/drivers/misc/imx_ele/ele_api.c index b753419f01b..661f70cf870 100644 --- a/drivers/misc/imx_ele/ele_api.c +++ b/drivers/misc/imx_ele/ele_api.c @@ -5,12 +5,12 @@ * */ -#include <hang.h> -#include <malloc.h> -#include <memalign.h> #include <asm/io.h> -#include <dm.h> +#include <asm/mach-imx/sys_proto.h> #include <asm/mach-imx/ele_api.h> +#include <dm.h> +#include <malloc.h> +#include <memalign.h> #include <misc.h> DECLARE_GLOBAL_DATA_PTR; @@ -205,8 +205,7 @@ int ele_read_common_fuse(u16 fuse_id, u32 *fuse_words, u32 fuse_num, u32 *respon return -EINVAL; } - if ((fuse_id != 1 && fuse_num != 1) || - (fuse_id == 1 && fuse_num != 4)) { + if (is_imx8ulp() && ((fuse_id != 1 && fuse_num != 1) || (fuse_id == 1 && fuse_num != 4))) { printf("Invalid fuse number parameter\n"); return -EINVAL; } @@ -226,7 +225,7 @@ int ele_read_common_fuse(u16 fuse_id, u32 *fuse_words, u32 fuse_num, u32 *respon *response = msg.data[0]; fuse_words[0] = msg.data[1]; - if (fuse_id == 1) { + if (fuse_id == 1 && is_imx8ulp()) { /* OTP_UNIQ_ID */ fuse_words[1] = msg.data[2]; fuse_words[2] = msg.data[3]; @@ -269,6 +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; |