diff options
| author | Ye Li <ye.li@nxp.com> | 2023-01-30 18:39:50 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2023-03-29 22:27:38 +0200 |
| commit | 76c184fe3aa500c71dcb8b88d6b7b3b1db8a237f (patch) | |
| tree | 585fb8130be6910fa1a91377fa885917df1c0f7f | |
| parent | 4dfb2196cdced30d9404080584746e4205f561b1 (diff) | |
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>
| -rw-r--r-- | arch/arm/include/asm/mach-imx/s400_api.h | 2 | ||||
| -rw-r--r-- | drivers/misc/sentinel/s400_api.c | 45 |
2 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach-imx/s400_api.h b/arch/arm/include/asm/mach-imx/s400_api.h index 4819f208f05..79539b7583c 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 65032f77362..c6b4ef57b22 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; +} |