From: Ye Li ye.li@nxp.com
Add S400 API for image authentication
Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/include/asm/arch-imx8ulp/s400_api.h | 8 +- drivers/misc/imx8ulp/s400_api.c | 121 ++++++++++++++++++- 2 files changed, 127 insertions(+), 2 deletions(-)
diff --git a/arch/arm/include/asm/arch-imx8ulp/s400_api.h b/arch/arm/include/asm/arch-imx8ulp/s400_api.h index 3ba6b525c5..30dab8be24 100644 --- a/arch/arm/include/asm/arch-imx8ulp/s400_api.h +++ b/arch/arm/include/asm/arch-imx8ulp/s400_api.h @@ -15,6 +15,7 @@ #define AHAB_VERIFY_IMG_CID 0x88 #define AHAB_RELEASE_CTNR_CID 0x89 #define AHAB_RELEASE_RDC_REQ_CID 0xC4 +#define AHAB_FWD_LIFECYCLE_UP_REQ_CID 0x95
#define S400_MAX_MSG 8U
@@ -26,5 +27,10 @@ struct imx8ulp_s400_msg { u32 data[(S400_MAX_MSG - 1U)]; };
-int ahab_release_rdc(u8 core_id); +int ahab_release_rdc(u8 core_id, u32 *response); +int ahab_auth_oem_ctnr(ulong ctnr_addr, u32 *response); +int ahab_release_container(u32 *response); +int ahab_verify_image(u32 img_id, u32 *response); +int ahab_forward_lifecycle(u16 life_cycle, u32 *response); + #endif diff --git a/drivers/misc/imx8ulp/s400_api.c b/drivers/misc/imx8ulp/s400_api.c index 82fd3117a4..4047d6efee 100644 --- a/drivers/misc/imx8ulp/s400_api.c +++ b/drivers/misc/imx8ulp/s400_api.c @@ -14,7 +14,7 @@
DECLARE_GLOBAL_DATA_PTR;
-int ahab_release_rdc(u8 core_id) +int ahab_release_rdc(u8 core_id, u32 *response) { struct udevice *dev = gd->arch.s400_dev; int size = sizeof(struct imx8ulp_s400_msg); @@ -37,5 +37,124 @@ int ahab_release_rdc(u8 core_id) printf("Error: %s: ret %d, core id %u, response 0x%x\n", __func__, ret, core_id, msg.data[0]);
+ if (response) + *response = msg.data[0]; + + return ret; +} + +int ahab_auth_oem_ctnr(ulong ctnr_addr, u32 *response) +{ + struct udevice *dev = gd->arch.s400_dev; + int size = sizeof(struct imx8ulp_s400_msg); + struct imx8ulp_s400_msg msg; + int ret; + + if (!dev) { + printf("s400 dev is not initialized\n"); + return -ENODEV; + } + + msg.version = AHAB_VERSION; + msg.tag = AHAB_CMD_TAG; + msg.size = 3; + msg.command = AHAB_AUTH_OEM_CTNR_CID; + msg.data[0] = upper_32_bits(ctnr_addr); + msg.data[1] = lower_32_bits(ctnr_addr); + + ret = misc_call(dev, false, &msg, size, &msg, size); + if (ret) + printf("Error: %s: ret %d, cntr_addr 0x%lx, response 0x%x\n", + __func__, ret, ctnr_addr, msg.data[0]); + + if (response) + *response = msg.data[0]; + + return ret; +} + +int ahab_release_container(u32 *response) +{ + struct udevice *dev = gd->arch.s400_dev; + int size = sizeof(struct imx8ulp_s400_msg); + struct imx8ulp_s400_msg msg; + int ret; + + if (!dev) { + printf("s400 dev is not initialized\n"); + return -ENODEV; + } + + msg.version = AHAB_VERSION; + msg.tag = AHAB_CMD_TAG; + msg.size = 1; + msg.command = AHAB_RELEASE_CTNR_CID; + + 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]); + + if (response) + *response = msg.data[0]; + + return ret; +} + +int ahab_verify_image(u32 img_id, u32 *response) +{ + struct udevice *dev = gd->arch.s400_dev; + int size = sizeof(struct imx8ulp_s400_msg); + struct imx8ulp_s400_msg msg; + int ret; + + if (!dev) { + printf("s400 dev is not initialized\n"); + return -ENODEV; + } + + msg.version = AHAB_VERSION; + msg.tag = AHAB_CMD_TAG; + msg.size = 2; + msg.command = AHAB_VERIFY_IMG_CID; + msg.data[0] = 1 << img_id; + + ret = misc_call(dev, false, &msg, size, &msg, size); + if (ret) + printf("Error: %s: ret %d, img_id %u, response 0x%x\n", + __func__, ret, img_id, msg.data[0]); + + if (response) + *response = msg.data[0]; + + return ret; +} + +int ahab_forward_lifecycle(u16 life_cycle, u32 *response) +{ + struct udevice *dev = gd->arch.s400_dev; + int size = sizeof(struct imx8ulp_s400_msg); + struct imx8ulp_s400_msg msg; + int ret; + + if (!dev) { + printf("s400 dev is not initialized\n"); + return -ENODEV; + } + + msg.version = AHAB_VERSION; + msg.tag = AHAB_CMD_TAG; + msg.size = 2; + msg.command = AHAB_FWD_LIFECYCLE_UP_REQ_CID; + msg.data[0] = life_cycle; + + ret = misc_call(dev, false, &msg, size, &msg, size); + if (ret) + printf("Error: %s: ret %d, life_cycle 0x%x, response 0x%x\n", + __func__, ret, life_cycle, msg.data[0]); + + if (response) + *response = msg.data[0]; + return ret; }