include/soc/tegra/fuse.h

root/include/soc/tegra/fuse.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2012-2023, NVIDIA CORPORATION.  All rights reserved.
 */

#ifndef __SOC_TEGRA_FUSE_H__
#define __SOC_TEGRA_FUSE_H__

#include <linux/types.h>

#define TEGRA20         0x20
#define TEGRA30         0x30
#define TEGRA114        0x35
#define TEGRA124        0x40
#define TEGRA132        0x13
#define TEGRA210        0x21
#define TEGRA186        0x18
#define TEGRA194        0x19
#define TEGRA234        0x23
#define TEGRA241        0x24
#define TEGRA264        0x26

#define TEGRA_FUSE_SKU_CALIB_0  0xf0
#define TEGRA30_FUSE_SATA_CALIB 0x124
#define TEGRA_FUSE_USB_CALIB_EXT_0 0x250

#ifndef __ASSEMBLY__

enum tegra_revision {
        TEGRA_REVISION_UNKNOWN = 0,
        TEGRA_REVISION_A01,
        TEGRA_REVISION_A02,
        TEGRA_REVISION_A03,
        TEGRA_REVISION_A03p,
        TEGRA_REVISION_A04,
        TEGRA_REVISION_MAX,
};

enum tegra_platform {
        TEGRA_PLATFORM_SILICON = 0,
        TEGRA_PLATFORM_QT,
        TEGRA_PLATFORM_SYSTEM_FPGA,
        TEGRA_PLATFORM_UNIT_FPGA,
        TEGRA_PLATFORM_ASIM_QT,
        TEGRA_PLATFORM_ASIM_LINSIM,
        TEGRA_PLATFORM_DSIM_ASIM_LINSIM,
        TEGRA_PLATFORM_VERIFICATION_SIMULATION,
        TEGRA_PLATFORM_VDK,
        TEGRA_PLATFORM_VSP,
        TEGRA_PLATFORM_MAX,
};

struct tegra_sku_info {
        int sku_id;
        int cpu_process_id;
        int cpu_speedo_id;
        int cpu_speedo_value;
        int cpu_iddq_value;
        int soc_process_id;
        int soc_speedo_id;
        int soc_speedo_value;
        int gpu_process_id;
        int gpu_speedo_id;
        int gpu_speedo_value;
        enum tegra_revision revision;
        enum tegra_platform platform;
};

#ifdef CONFIG_ARCH_TEGRA
extern struct tegra_sku_info tegra_sku_info;
u32 tegra_read_straps(void);
u32 tegra_read_ram_code(void);
int tegra_fuse_readl(unsigned long offset, u32 *value);
u32 tegra_read_chipid(void);
u8 tegra_get_chip_id(void);
u8 tegra_get_platform(void);
bool tegra_is_silicon(void);
int tegra194_miscreg_mask_serror(void);
#else
static struct tegra_sku_info tegra_sku_info __maybe_unused;

static inline u32 tegra_read_straps(void)
{
        return 0;
}

static inline u32 tegra_read_ram_code(void)
{
        return 0;
}

static inline int tegra_fuse_readl(unsigned long offset, u32 *value)
{
        return -ENODEV;
}

static inline u32 tegra_read_chipid(void)
{
        return 0;
}

static inline u8 tegra_get_chip_id(void)
{
        return 0;
}

static inline u8 tegra_get_platform(void)
{
        return 0;
}

static inline bool tegra_is_silicon(void)
{
        return false;
}

static inline int tegra194_miscreg_mask_serror(void)
{
        return false;
}
#endif

struct device *tegra_soc_device_register(void);

#endif /* __ASSEMBLY__ */

#endif /* __SOC_TEGRA_FUSE_H__ */
Linux
