bh_fwtable.h

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/*
 * Copyright (c) 2025 Tenstorrent AI ULC
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef BH_FWTABLE_H
#define BH_FWTABLE_H
 
#include <stdbool.h>
#include <stdint.h>
#include <zephyr/device.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * The generated nanopb headers only exist when the bh_fwtable driver is built.
 * SMC recovery builds disable the driver (see drivers/misc/bh_fwtable/Kconfig),
 * but still pull in this header transitively for the plain chip enums below
 * (e.g. PcbType via regulator.h).
 */
#ifdef CONFIG_BH_FWTABLE
#include "fw_table.pb.h"
#include "flash_info.pb.h"
#include "read_only.pb.h"
#endif
 
const struct _FwTable *tt_bh_fwtable_get_fw_table(const struct device *dev);
const struct _FlashInfoTable *tt_bh_fwtable_get_flash_info_table(const struct device *dev);
const struct _ReadOnly *tt_bh_fwtable_get_read_only_table(const struct device *dev);
 
/* Board type values extracted from board_id */
#define BOARDTYPE_ORION_SLT 0x37
#define BOARDTYPE_P100A 0x43
#define BOARDTYPE_P150A 0x40
#define BOARDTYPE_P150  0x41
#define BOARDTYPE_P150C 0x42
#define BOARDTYPE_P300  0x44
#define BOARDTYPE_P300A 0x45
#define BOARDTYPE_P300C 0x46
#define BOARDTYPE_UBB   0x47
 
typedef enum {
        PcbTypeOrionSLT = 0,
        PcbTypeP100 = 1,
        PcbTypeP150 = 2,
        PcbTypeP300 = 3,
        PcbTypeUBB = 4,
        PcbTypeUnknown = 0xFF
} PcbType;
 
PcbType tt_bh_fwtable_get_pcb_type(const struct device *dev);
uint8_t tt_bh_fwtable_get_board_type(const struct device *dev);
bool tt_bh_fwtable_is_p300_left_chip(void);
uint32_t tt_bh_fwtable_get_asic_location(const struct device *dev);
void tt_bh_fwtable_apply_ccfgovr(const struct device *dev);
 
#ifdef __cplusplus
}
#endif
 
#endif /* BH_FWTABLE_H*/