diff options
| -rw-r--r-- | arch/arm/include/asm/mach-imx/ele_api.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-imx/ele_ahab.c | 74 | ||||
| -rw-r--r-- | drivers/misc/imx_ele/ele_api.c | 64 |
3 files changed, 139 insertions, 1 deletions
diff --git a/arch/arm/include/asm/mach-imx/ele_api.h b/arch/arm/include/asm/mach-imx/ele_api.h index 120da08..477cfe7 100644 --- a/arch/arm/include/asm/mach-imx/ele_api.h +++ b/arch/arm/include/asm/mach-imx/ele_api.h @@ -146,5 +146,7 @@ int ele_dump_buffer(u32 *buffer, u32 buffer_length); int ele_get_info(struct ele_get_info_data *info, u32 *response); int ele_get_fw_status(u32 *status, u32 *response); int ele_release_m33_trout(void); +int ele_write_secure_fuse(ulong signed_msg_blk, u32 *response); +int ele_return_lifecycle_update(ulong signed_msg_blk, u32 *response); #endif diff --git a/arch/arm/mach-imx/ele_ahab.c b/arch/arm/mach-imx/ele_ahab.c index 5f23486..785b0d6 100644 --- a/arch/arm/mach-imx/ele_ahab.c +++ b/arch/arm/mach-imx/ele_ahab.c @@ -563,6 +563,68 @@ static int do_ahab_status(struct cmd_tbl *cmdtp, int flag, int argc, char *const return 0; } +static int do_sec_fuse_prog(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{ + ulong addr; + u32 header, response; + + if (argc < 2) + return CMD_RET_USAGE; + + addr = hextoul(argv[1], NULL); + header = *(u32 *)addr; + + if ((header & 0xff0000ff) != 0x89000000) { + printf("Wrong Signed message block format, header 0x%x\n", header); + return CMD_RET_FAILURE; + } + + header = (header & 0xffff00) >> 8; + + printf("Signed Message block at 0x%lx, size 0x%x\n", addr, header); + flush_dcache_range(addr, addr + header - 1); + + if (ele_write_secure_fuse(addr, &response)) { + printf("Program secure fuse failed, response 0x%x\n", response); + return CMD_RET_FAILURE; + } + + printf("Program secure fuse completed, response 0x%x\n", response); + + return CMD_RET_SUCCESS; +} + +static int do_ahab_return_lifecycle(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{ + ulong addr; + u32 header, response; + + if (argc < 2) + return CMD_RET_USAGE; + + addr = hextoul(argv[1], NULL); + header = *(u32 *)addr; + + if ((header & 0xff0000ff) != 0x89000000) { + printf("Wrong Signed message block format, header 0x%x\n", header); + return CMD_RET_FAILURE; + } + + header = (header & 0xffff00) >> 8; + + printf("Signed Message block at 0x%lx, size 0x%x\n", addr, header); + flush_dcache_range(addr, addr + header - 1); + + if (ele_return_lifecycle_update(addr, &response)) { + printf("Return lifecycle failed, response 0x%x\n", response); + return CMD_RET_FAILURE; + } + + printf("Return lifecycle completed, response 0x%x\n", response); + + return CMD_RET_SUCCESS; +} + U_BOOT_CMD(auth_cntr, CONFIG_SYS_MAXARGS, 1, do_authenticate, "autenticate OS container via AHAB", "addr\n" @@ -583,3 +645,15 @@ U_BOOT_CMD(ahab_status, CONFIG_SYS_MAXARGS, 1, do_ahab_status, "display AHAB lifecycle only", "" ); + +U_BOOT_CMD(ahab_sec_fuse_prog, CONFIG_SYS_MAXARGS, 1, do_sec_fuse_prog, + "Program secure fuse via signed message block", + "addr\n" + "addr - Signed message block for secure fuse\n" +); + +U_BOOT_CMD(ahab_return_lifecycle, CONFIG_SYS_MAXARGS, 1, do_ahab_return_lifecycle, + "Return lifecycle to OEM field return via signed message block", + "addr\n" + "addr - Return lifecycle message block signed by OEM SRK\n" +); diff --git a/drivers/misc/imx_ele/ele_api.c b/drivers/misc/imx_ele/ele_api.c index 5660571..0ca0a94 100644 --- a/drivers/misc/imx_ele/ele_api.c +++ b/drivers/misc/imx_ele/ele_api.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright 2020 NXP + * Copyright 2020, 2023 NXP * */ @@ -490,3 +490,65 @@ int ele_get_events(u32 *events, u32 *events_cnt, u32 *response) return ret; } + +int ele_write_secure_fuse(ulong signed_msg_blk, 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_SECURE_FUSE_REQ; + + msg.data[0] = upper_32_bits(signed_msg_blk); + msg.data[1] = lower_32_bits(signed_msg_blk); + + ret = misc_call(dev, false, &msg, size, &msg, size); + if (ret) + printf("Error: %s: ret %d, response 0x%x, failed fuse row index %u\n", + __func__, ret, msg.data[0], msg.data[1]); + + if (response) + *response = msg.data[0]; + + return ret; +} + +int ele_return_lifecycle_update(ulong signed_msg_blk, 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_RET_LIFECYCLE_UP_REQ; + + msg.data[0] = upper_32_bits(signed_msg_blk); + msg.data[1] = lower_32_bits(signed_msg_blk); + + ret = misc_call(dev, false, &msg, size, &msg, size); + if (ret) + printf("Error: %s: ret %d, response 0x%x, failed fuse row index %u\n", + __func__, ret, msg.data[0], msg.data[1]); + + if (response) + *response = msg.data[0]; + + return ret; +} |