From: Peng Fan peng.fan@nxp.com
Add get_events API to retrieve any singular events that has occurred since the FW has started from sentinel
Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/include/asm/mach-imx/ele_api.h | 2 ++ drivers/misc/sentinel/ele_api.c | 45 +++++++++++++++++++++++++ 2 files changed, 47 insertions(+)
diff --git a/arch/arm/include/asm/mach-imx/ele_api.h b/arch/arm/include/asm/mach-imx/ele_api.h index 158e21971ea..5dc4a20c5fd 100644 --- a/arch/arm/include/asm/mach-imx/ele_api.h +++ b/arch/arm/include/asm/mach-imx/ele_api.h @@ -18,6 +18,7 @@ #define ELE_FWD_LIFECYCLE_UP_REQ_CID 0x95 #define ELE_READ_FUSE_REQ_CID 0x97 #define ELE_GET_FW_VERSION_CID 0x9D +#define ELE_GET_EVENTS_REQ_CID 0xA2 #define ELE_RELEASE_RDC_REQ_CID 0xC4 #define ELE_GET_FW_STATUS_CID 0xC5 #define ELE_WRITE_FUSE_REQ_CID 0xD6 @@ -56,5 +57,6 @@ int ele_dump_buffer(u32 *buffer, u32 buffer_length); int ele_get_info(struct ele_get_info_data *info, u32 *response); int ele_get_fw_status(u32 *status, u32 *response); int ele_release_m33_trout(void); +int ele_get_events(u32 *events, u32 *events_cnt, u32 *response);
#endif diff --git a/drivers/misc/sentinel/ele_api.c b/drivers/misc/sentinel/ele_api.c index d9d37b7ea48..1e0640d192b 100644 --- a/drivers/misc/sentinel/ele_api.c +++ b/drivers/misc/sentinel/ele_api.c @@ -445,3 +445,48 @@ int ele_release_m33_trout(void)
return ret; } + +int ele_get_events(u32 *events, u32 *events_cnt, u32 *response) +{ + struct udevice *dev = gd->arch.s400_dev; + int size = sizeof(struct ele_msg); + struct ele_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 = ELE_VERSION; + msg.tag = ELE_CMD_TAG; + msg.size = 1; + msg.command = ELE_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; +}