misc: sentinel: s400_api: Add get_events API
Add get_events API to retrieve any singular events that has occurred
since the FW has started from sentinel
Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/misc/sentinel/s400_api.c b/drivers/misc/sentinel/s400_api.c
index 65032f7..c6b4ef5 100644
--- a/drivers/misc/sentinel/s400_api.c
+++ b/drivers/misc/sentinel/s400_api.c
@@ -445,3 +445,48 @@
return ret;
}
+
+int ahab_get_events(u32 *events, u32 *events_cnt, u32 *response)
+{
+ struct udevice *dev = gd->arch.s400_dev;
+ int size = sizeof(struct sentinel_msg);
+ struct sentinel_msg msg;
+ int ret, i = 0;
+ u32 actual_events;
+
+ if (!dev) {
+ printf("s400 dev is not initialized\n");
+ return -ENODEV;
+ }
+
+ if (!events || !events_cnt || *events_cnt == 0) {
+ printf("Invalid parameters for %s\n", __func__);
+ return -EINVAL;
+ }
+
+ msg.version = AHAB_VERSION;
+ msg.tag = AHAB_CMD_TAG;
+ msg.size = 1;
+ msg.command = AHAB_GET_EVENTS_REQ_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];
+
+ if (!ret) {
+ actual_events = msg.data[1] & 0xffff;
+ if (*events_cnt < actual_events)
+ actual_events = *events_cnt;
+
+ for (; i < actual_events; i++)
+ events[i] = msg.data[i + 2];
+
+ *events_cnt = actual_events;
+ }
+
+ return ret;
+}