From: Clement Faure <clement.faure@nxp.com>
Date: Wed, 6 Apr 2022 06:30:19 +0000 (+0800)
Subject: misc: S400_API: add ahab_release_caam
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=a55ca506c969518e06eb8434f741eea2f5bfbe3e;p=u-boot.git

misc: S400_API: add ahab_release_caam

Add ahab_release_caam() function to the S400 API.

Signed-off-by: Clement Faure <clement.faure@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 c848f0dfb8..b788661b09 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 d76a95febe..dd5f9f25da 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;
+}