From: Peng Fan <peng.fan@nxp.com>
Date: Tue, 26 Jul 2022 08:40:52 +0000 (+0800)
Subject: misc: S400_API: New API for FW status and chip info
X-Git-Url: http://git.dujemihanovic.xyz/html/static/%7B%7B%20.RelPermalink%20%7D%7D?a=commitdiff_plain;h=625473d6ce3ac30d0c3d74ab4639f041f55ca97e;p=u-boot.git

misc: S400_API: New API for FW status and chip info

Add new API to get sentinel FW status and SoC chip info

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/mach-imx/s400_api.h b/arch/arm/include/asm/mach-imx/s400_api.h
index d09c078df0..d95f8227b2 100644
--- a/arch/arm/include/asm/mach-imx/s400_api.h
+++ b/arch/arm/include/asm/mach-imx/s400_api.h
@@ -19,8 +19,10 @@
 #define AHAB_READ_FUSE_REQ_CID	0x97
 #define AHAB_GET_FW_VERSION_CID	0x9D
 #define AHAB_RELEASE_RDC_REQ_CID   0xC4
+#define AHAB_GET_FW_STATUS_CID   0xC5
 #define AHAB_WRITE_FUSE_REQ_CID	0xD6
 #define AHAB_CAAM_RELEASE_CID 0xD7
+#define AHAB_GET_INFO_CID 0xDA
 
 #define S400_MAX_MSG          255U
 
@@ -32,6 +34,15 @@ struct imx8ulp_s400_msg {
 	u32 data[(S400_MAX_MSG - 1U)];
 };
 
+struct sentinel_get_info_data {
+	u32 hdr;
+	u32 soc;
+	u32 lc;
+	u32 uid[4];
+	u32 sha256_rom_patch[8];
+	u32 sha_fw[8];
+};
+
 int ahab_release_rdc(u8 core_id, u8 xrdc, u32 *response);
 int ahab_auth_oem_ctnr(ulong ctnr_addr, u32 *response);
 int ahab_release_container(u32 *response);
@@ -42,5 +53,7 @@ int ahab_read_common_fuse(u16 fuse_id, u32 *fuse_words, u32 fuse_num, u32 *respo
 int ahab_release_caam(u32 core_did, u32 *response);
 int ahab_get_fw_version(u32 *fw_version, u32 *sha1, u32 *response);
 int ahab_dump_buffer(u32 *buffer, u32 buffer_length);
+int ahab_get_info(struct sentinel_get_info_data *info, u32 *response);
+int ahab_get_fw_status(u32 *status, u32 *response);
 
 #endif
diff --git a/drivers/misc/sentinel/s400_api.c b/drivers/misc/sentinel/s400_api.c
index 4e90171420..ca7903670e 100644
--- a/drivers/misc/sentinel/s400_api.c
+++ b/drivers/misc/sentinel/s400_api.c
@@ -359,3 +359,64 @@ int ahab_dump_buffer(u32 *buffer, u32 buffer_length)
 
 	return i;
 }
+
+int ahab_get_info(struct sentinel_get_info_data *info, 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 = 4;
+	msg.command = AHAB_GET_INFO_CID;
+	msg.data[0] = upper_32_bits((ulong)info);
+	msg.data[1] = lower_32_bits((ulong)info);
+	msg.data[2] = sizeof(struct sentinel_get_info_data);
+
+	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_get_fw_status(u32 *status, 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_GET_FW_STATUS_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];
+
+	*status = msg.data[1] & 0xF;
+
+	return ret;
+}