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 d95f822..dc176e1 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_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 ca79036..01a673e 100644
--- a/drivers/misc/sentinel/s400_api.c
+++ b/drivers/misc/sentinel/s400_api.c
@@ -420,3 +420,28 @@
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;
+}