init.h

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/*
 * Copyright (c) 2024 Tenstorrent AI ULC
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef LIB_TENSTORRENT_BH_ARC_INIT_H_
#define LIB_TENSTORRENT_BH_ARC_INIT_H_
 
#include "status_reg.h"
 
#include <stdint.h>
 
#define SCRATCHPAD_SIZE CONFIG_TT_BH_ARC_SCRATCHPAD_SIZE
 
typedef enum {
        kHwInitNotStarted = 0,
        kHwInitStarted = 1,
        kHwInitDone = 2,
        kHwInitError = 3,
} HWInitStatus;
 
typedef enum {
        FW_ID_SMC_NORMAL = 0,
        FW_ID_SMC_RECOVERY = 1,
} FWID;
 
/*
 * Identifiers for the SMC init stages. Each enum value is the bit position
 * in STATUS_ERROR_STATUS0 for that stage's failure.
 */
enum init_stage_id {
        INIT_STAGE_REGULATOR = 0,
        INIT_STAGE_CABLE_FAULT = 1,
        INIT_STAGE_TENSIX = 2,
        INIT_STAGE_MRISC_LOAD = 3,
        INIT_STAGE_GDDR_TRAIN = 4,
        INIT_STAGE_COUNT,
};
 
extern uint32_t error_status0;

void record_init_failure(enum init_stage_id stage);
 
#endif