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misc: S400_API: add ahab_release_caam

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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>
This commit is contained in:
Clement Faure
2022-04-06 14:30:19 +08:00
committed by Stefano Babic
parent 3524540e70
commit a55ca506c9
2 changed files with 31 additions and 0 deletions
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2
arch/arm/include/asm/arch-imx8ulp/s400_api.h
View File

@@ -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

29
drivers/misc/imx8ulp/s400_api.c
View File

@@ -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;
}