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 27 enum 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 37 struct 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 53 extern struct tegra_sku_info tegra_sku_info; 54 u32 tegra_read_straps(void); 55 u32 tegra_read_ram_code(void); 56 int tegra_fuse_readl(unsigned long offset, u32 *value); 57 u32 tegra_read_chipid(void); 58 u8 tegra_get_chip_id(void); 59 u8 tegra_get_platform(void); 60 bool tegra_is_silicon(void); 61 #else 62 static struct tegra_sku_info tegra_sku_info __maybe_unused; 63 64 static inline u32 tegra_read_straps(void) 65 { 66 return 0; 67 } 68 69 static inline u32 tegra_read_ram_code(void) 70 { 71 return 0; 72 } 73 74 static inline int tegra_fuse_readl(unsigned long offset, u32 *value) 75 { 76 return -ENODEV; 77 } 78 79 static inline u32 tegra_read_chipid(void) 80 { 81 return 0; 82 } 83 84 static inline u8 tegra_get_chip_id(void) 85 { 86 return 0; 87 } 88 89 static inline u8 tegra_get_platform(void) 90 { 91 return 0; 92 } 93 94 static inline bool tegra_is_silicon(void) 95 { 96 return false; 97 } 98 #endif 99 100 struct device *tegra_soc_device_register(void); 101 102 #endif /* __ASSEMBLY__ */ 103 104 #endif /* __SOC_TEGRA_FUSE_H__ */ 105