drivers: misc: imx8ulp: Add S400 API for image authentication

Add S400 API for image authentication

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

diff --git a/arch/arm/include/asm/arch-imx8ulp/s400_api.h b/arch/arm/include/asm/arch-imx8ulp/s400_api.h
index 3ba6b525c5bca6749e5c6529eedb6ad21743c956..30dab8be24591e06ff39ce20748c1f3dcddae5b8 100644 (file)
--- 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 82fd3117a47d97e1d8829fcdab44c9bed4ba51c9..4047d6efeef8d17b5c06d825f534db07695c6cf5 100644 (file)
--- 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;
 }