From 76c184fe3aa500c71dcb8b88d6b7b3b1db8a237f Mon Sep 17 00:00:00 2001 From: Ye Li Date: Mon, 30 Jan 2023 18:39:50 +0800 Subject: [PATCH] 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 Reviewed-by: Peng Fan --- arch/arm/include/asm/mach-imx/s400_api.h | 2 ++ drivers/misc/sentinel/s400_api.c | 45 ++++++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/arch/arm/include/asm/mach-imx/s400_api.h b/arch/arm/include/asm/mach-imx/s400_api.h index 4819f20..79539b7 100644 --- a/arch/arm/include/asm/mach-imx/s400_api.h +++ b/arch/arm/include/asm/mach-imx/s400_api.h @@ -18,6 +18,7 @@ #define AHAB_FWD_LIFECYCLE_UP_REQ_CID 0x95 #define AHAB_READ_FUSE_REQ_CID 0x97 #define AHAB_GET_FW_VERSION_CID 0x9D +#define AHAB_GET_EVENTS_REQ_CID 0xA2 #define AHAB_RELEASE_RDC_REQ_CID 0xC4 #define AHAB_GET_FW_STATUS_CID 0xC5 #define AHAB_WRITE_FUSE_REQ_CID 0xD6 @@ -58,5 +59,6 @@ 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); +int ahab_get_events(u32 *events, u32 *events_cnt, u32 *response); #endif 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 @@ int ahab_release_m33_trout(void) 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; +} -- 2.7.4