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 d95f8227b294e5b32cbe48c07c6a3095a9bd23f3..dc176e1f619f714834d39c38182f739eb832fe7f 100644 (file)
--- 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 ca7903670ede690d9060a210fd0523aa8d8fad25..01a673e5e13b2587c15004cd2864987dd043b3c0 100644 (file)
--- 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;
+}