fuse.h (1935B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. 4 */ 5 6#ifndef __SOC_TEGRA_FUSE_H__ 7#define __SOC_TEGRA_FUSE_H__ 8 9#include <linux/types.h> 10 11#define TEGRA20 0x20 12#define TEGRA30 0x30 13#define TEGRA114 0x35 14#define TEGRA124 0x40 15#define TEGRA132 0x13 16#define TEGRA210 0x21 17#define TEGRA186 0x18 18#define TEGRA194 0x19 19#define TEGRA234 0x23 20 21#define TEGRA_FUSE_SKU_CALIB_0 0xf0 22#define TEGRA30_FUSE_SATA_CALIB 0x124 23#define TEGRA_FUSE_USB_CALIB_EXT_0 0x250 24 25#ifndef __ASSEMBLY__ 26 27enum tegra_revision { 28 TEGRA_REVISION_UNKNOWN = 0, 29 TEGRA_REVISION_A01, 30 TEGRA_REVISION_A02, 31 TEGRA_REVISION_A03, 32 TEGRA_REVISION_A03p, 33 TEGRA_REVISION_A04, 34 TEGRA_REVISION_MAX, 35}; 36 37struct tegra_sku_info { 38 int sku_id; 39 int cpu_process_id; 40 int cpu_speedo_id; 41 int cpu_speedo_value; 42 int cpu_iddq_value; 43 int soc_process_id; 44 int soc_speedo_id; 45 int soc_speedo_value; 46 int gpu_process_id; 47 int gpu_speedo_id; 48 int gpu_speedo_value; 49 enum tegra_revision revision; 50}; 51 52#ifdef CONFIG_ARCH_TEGRA 53extern struct tegra_sku_info tegra_sku_info; 54u32 tegra_read_straps(void); 55u32 tegra_read_ram_code(void); 56int tegra_fuse_readl(unsigned long offset, u32 *value); 57u32 tegra_read_chipid(void); 58u8 tegra_get_chip_id(void); 59u8 tegra_get_platform(void); 60bool tegra_is_silicon(void); 61#else 62static struct tegra_sku_info tegra_sku_info __maybe_unused; 63 64static inline u32 tegra_read_straps(void) 65{ 66 return 0; 67} 68 69static inline u32 tegra_read_ram_code(void) 70{ 71 return 0; 72} 73 74static inline int tegra_fuse_readl(unsigned long offset, u32 *value) 75{ 76 return -ENODEV; 77} 78 79static inline u32 tegra_read_chipid(void) 80{ 81 return 0; 82} 83 84static inline u8 tegra_get_chip_id(void) 85{ 86 return 0; 87} 88 89static inline u8 tegra_get_platform(void) 90{ 91 return 0; 92} 93 94static inline bool tegra_is_silicon(void) 95{ 96 return false; 97} 98#endif 99 100struct device *tegra_soc_device_register(void); 101 102#endif /* __ASSEMBLY__ */ 103 104#endif /* __SOC_TEGRA_FUSE_H__ */