diff options
Diffstat (limited to 'drivers/accel/habanalabs/common/firmware_if.c')
| -rw-r--r-- | drivers/accel/habanalabs/common/firmware_if.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/accel/habanalabs/common/firmware_if.c b/drivers/accel/habanalabs/common/firmware_if.c index e48f024d8649..eb51d7f70aec 100644 --- a/drivers/accel/habanalabs/common/firmware_if.c +++ b/drivers/accel/habanalabs/common/firmware_if.c @@ -1368,8 +1368,10 @@ void hl_fw_ask_hard_reset_without_linux(struct hl_device *hdev) void hl_fw_ask_halt_machine_without_linux(struct hl_device *hdev) { - struct static_fw_load_mgr *static_loader = - &hdev->fw_loader.static_loader; + struct fw_load_mgr *fw_loader = &hdev->fw_loader; + u32 status, cpu_boot_status_reg, cpu_timeout; + struct static_fw_load_mgr *static_loader; + struct pre_fw_load_props *pre_fw_load; int rc; if (hdev->device_cpu_is_halted) @@ -1377,12 +1379,28 @@ void hl_fw_ask_halt_machine_without_linux(struct hl_device *hdev) /* Stop device CPU to make sure nothing bad happens */ if (hdev->asic_prop.dynamic_fw_load) { + pre_fw_load = &fw_loader->pre_fw_load; + cpu_timeout = fw_loader->cpu_timeout; + cpu_boot_status_reg = pre_fw_load->cpu_boot_status_reg; + rc = hl_fw_dynamic_send_protocol_cmd(hdev, &hdev->fw_loader, - COMMS_GOTO_WFE, 0, false, - hdev->fw_loader.cpu_timeout); - if (rc) + COMMS_GOTO_WFE, 0, false, cpu_timeout); + if (rc) { dev_err(hdev->dev, "Failed sending COMMS_GOTO_WFE\n"); + } else { + rc = hl_poll_timeout( + hdev, + cpu_boot_status_reg, + status, + status == CPU_BOOT_STATUS_IN_WFE, + hdev->fw_poll_interval_usec, + cpu_timeout); + if (rc) + dev_err(hdev->dev, "Current status=%u. Timed-out updating to WFE\n", + status); + } } else { + static_loader = &hdev->fw_loader.static_loader; WREG32(static_loader->kmd_msg_to_cpu_reg, KMD_MSG_GOTO_WFE); msleep(static_loader->cpu_reset_wait_msec); |