84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
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*/
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#ifndef __SOC_TEGRA_FUSE_H__
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#define __SOC_TEGRA_FUSE_H__
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#define TEGRA20 0x20
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#define TEGRA30 0x30
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#define TEGRA114 0x35
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#define TEGRA124 0x40
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#define TEGRA132 0x13
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#define TEGRA210 0x21
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#define TEGRA186 0x18
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#define TEGRA194 0x19
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#define TEGRA234 0x23
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#define TEGRA_FUSE_SKU_CALIB_0 0xf0
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#define TEGRA30_FUSE_SATA_CALIB 0x124
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#define TEGRA_FUSE_USB_CALIB_EXT_0 0x250
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#ifndef __ASSEMBLY__
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u32 tegra_read_chipid(void);
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u8 tegra_get_chip_id(void);
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u8 tegra_get_platform(void);
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bool tegra_is_silicon(void);
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enum tegra_revision {
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TEGRA_REVISION_UNKNOWN = 0,
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TEGRA_REVISION_A01,
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TEGRA_REVISION_A02,
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TEGRA_REVISION_A03,
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TEGRA_REVISION_A03p,
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TEGRA_REVISION_A04,
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TEGRA_REVISION_MAX,
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};
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struct tegra_sku_info {
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int sku_id;
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int cpu_process_id;
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int cpu_speedo_id;
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int cpu_speedo_value;
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int cpu_iddq_value;
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int soc_process_id;
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int soc_speedo_id;
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int soc_speedo_value;
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int gpu_process_id;
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int gpu_speedo_id;
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int gpu_speedo_value;
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enum tegra_revision revision;
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};
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#ifdef CONFIG_ARCH_TEGRA
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extern struct tegra_sku_info tegra_sku_info;
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u32 tegra_read_straps(void);
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u32 tegra_read_ram_code(void);
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int tegra_fuse_readl(unsigned long offset, u32 *value);
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#else
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static struct tegra_sku_info tegra_sku_info __maybe_unused;
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static inline u32 tegra_read_straps(void)
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{
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return 0;
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}
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static inline u32 tegra_read_ram_code(void)
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{
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return 0;
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}
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static inline int tegra_fuse_readl(unsigned long offset, u32 *value)
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{
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return -ENODEV;
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}
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#endif
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struct device *tegra_soc_device_register(void);
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#endif /* __ASSEMBLY__ */
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#endif /* __SOC_TEGRA_FUSE_H__ */
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