Mirrors/u-boot
1
0
Fork 0
mirror of https://source.denx.de/u-boot/u-boot.git synced 2026-06-13 15:03:58 +03:00
Code Issues Packages Projects Releases Wiki Activity

misc: ele_api: Add Voltage change start and finish APIs

Browse Source 
On GDET enabled part, need to call voltage change start and finish
APIs when adjust the voltage more than 100mv. Otherwise GDET will be
triggered and system is reset

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
2026-01-08 19:06:56 +08:00
committed by Fabio Estevam
parent ab24985b8c
commit e77d6948f5
2 changed files with 54 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/include/asm/mach-imx/ele_api.h
View File

@@ -14,6 +14,8 @@
#define ELE_PING_REQ (0x01)
#define ELE_FW_AUTH_REQ (0x02)
#define ELE_RESTART_RST_TIMER_REQ (0x04)
#define ELE_VOLT_CHANGE_START_REQ (0x12)
#define ELE_VOLT_CHANGE_FINISH_REQ (0x13)
#define ELE_DUMP_DEBUG_BUFFER_REQ (0x21)
#define ELE_OEM_CNTN_AUTH_REQ (0x87)
#define ELE_VERIFY_IMAGE_REQ (0x88)
@@ -160,4 +162,6 @@ int ele_return_lifecycle_update(ulong signed_msg_blk, u32 *response);
int ele_start_rng(void);
int ele_write_shadow_fuse(u32 fuse_id, u32 fuse_val, u32 *response);
int ele_read_shadow_fuse(u32 fuse_id, u32 *fuse_val, u32 *response);
int ele_volt_change_start_req(void);
int ele_volt_change_finish_req(void);
#endif

50
drivers/misc/imx_ele/ele_api.c
View File

@@ -794,3 +794,53 @@ int ele_generate_dek_blob(u32 key_id, u32 src_paddr, u32 dst_paddr, u32 max_outp
return ret;
}
int ele_volt_change_start_req(void)
{
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 = 1;
msg.command = ELE_VOLT_CHANGE_START_REQ;
ret = misc_call(dev, false, &msg, size, &msg, size);
if (ret)
printf("Error: %s: ret %d, response 0x%x\n",
__func__, ret, msg.data[0]);
return ret;
}
int ele_volt_change_finish_req(void)
{
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 = 1;
msg.command = ELE_VOLT_CHANGE_FINISH_REQ;
ret = misc_call(dev, false, &msg, size, &msg, size);
if (ret)
printf("Error: %s: ret %d, response 0x%x\n",
__func__, ret, msg.data[0]);
return ret;
}