From: Peng Fan <peng.fan@nxp.com>
Date: Tue, 26 Jul 2022 08:40:53 +0000 (+0800)
Subject: misc: s400_api: introduce ahab_release_m33_trout
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=27272456383b54d4406ce2e0c4c4d92a09f438c6;p=u-boot.git

misc: s400_api: introduce ahab_release_m33_trout

Introduce Sentinel API ahab_release_m33_trout to make sure sentinel
release M33 trout and make sure M33 could boot.

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 d95f8227b2..dc176e1f61 100644
--- a/arch/arm/include/asm/mach-imx/s400_api.h
+++ b/arch/arm/include/asm/mach-imx/s400_api.h
@@ -55,5 +55,6 @@ 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);
+int ahab_release_m33_trout(void);
 
 #endif
diff --git a/drivers/misc/sentinel/s400_api.c b/drivers/misc/sentinel/s400_api.c
index ca7903670e..01a673e5e1 100644
--- a/drivers/misc/sentinel/s400_api.c
+++ b/drivers/misc/sentinel/s400_api.c
@@ -420,3 +420,28 @@ int ahab_get_fw_status(u32 *status, u32 *response)
 
 	return ret;
 }
+
+int ahab_release_m33_trout(void)
+{
+	struct udevice *dev = gd->arch.s400_dev;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_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 = 0xd3;
+
+	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]);
+
+	return ret;
+}