[PATCH V2 14/26] misc: S400_API: add ahab_release_caam
Peng Fan (OSS)
peng.fan at oss.nxp.com
Wed Apr 6 08:30:19 CEST 2022
From: Clement Faure <clement.faure at nxp.com>
Add ahab_release_caam() function to the S400 API.
Signed-off-by: Clement Faure <clement.faure at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
arch/arm/include/asm/arch-imx8ulp/s400_api.h | 2 ++
drivers/misc/imx8ulp/s400_api.c | 29 ++++++++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/arch/arm/include/asm/arch-imx8ulp/s400_api.h b/arch/arm/include/asm/arch-imx8ulp/s400_api.h
index c848f0dfb8f..b788661b098 100644
--- a/arch/arm/include/asm/arch-imx8ulp/s400_api.h
+++ b/arch/arm/include/asm/arch-imx8ulp/s400_api.h
@@ -19,6 +19,7 @@
#define AHAB_READ_FUSE_REQ_CID 0x97
#define AHAB_RELEASE_RDC_REQ_CID 0xC4
#define AHAB_WRITE_FUSE_REQ_CID 0xD6
+#define AHAB_CAAM_RELEASE_CID 0xD7
#define S400_MAX_MSG 8U
@@ -37,5 +38,6 @@ int ahab_verify_image(u32 img_id, u32 *response);
int ahab_forward_lifecycle(u16 life_cycle, u32 *response);
int ahab_write_fuse(u16 fuse_id, u32 fuse_val, bool lock, u32 *response);
int ahab_read_common_fuse(u16 fuse_id, u32 *fuse_words, u32 fuse_num, u32 *response);
+int ahab_release_caam(u32 core_did, u32 *response);
#endif
diff --git a/drivers/misc/imx8ulp/s400_api.c b/drivers/misc/imx8ulp/s400_api.c
index d76a95febe7..dd5f9f25da5 100644
--- a/drivers/misc/imx8ulp/s400_api.c
+++ b/drivers/misc/imx8ulp/s400_api.c
@@ -242,3 +242,32 @@ int ahab_write_fuse(u16 fuse_id, u32 fuse_val, bool lock, u32 *response)
return ret;
}
+
+int ahab_release_caam(u32 core_did, 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_CAAM_RELEASE_CID;
+ msg.data[0] = core_did;
+
+ 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;
+}
--
2.35.1
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