| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2010,2011 |
| * NVIDIA Corporation <www.nvidia.com> |
| */ |
| |
| #ifndef _FUSE_H_ |
| #define _FUSE_H_ |
| |
| /* FUSE registers */ |
| struct fuse_regs { |
| u32 reserved0[64]; /* 0x00 - 0xFC: */ |
| u32 production_mode; /* 0x100: FUSE_PRODUCTION_MODE */ |
| u32 reserved1[3]; /* 0x104 - 0x10c: */ |
| u32 sku_info; /* 0x110 */ |
| u32 reserved2[13]; /* 0x114 - 0x144: */ |
| u32 fa; /* 0x148: FUSE_FA */ |
| u32 reserved3[21]; /* 0x14C - 0x19C: */ |
| u32 security_mode; /* 0x1A0: FUSE_SECURITY_MODE */ |
| u32 sbk[4]; /* 0x1A4 - 0x1B4 */ |
| }; |
| |
| /* Defines the supported operating modes */ |
| enum fuse_operating_mode { |
| MODE_UNDEFINED = 0, |
| MODE_PRODUCTION = 3, |
| MODE_ODM_PRODUCTION_SECURE = 4, |
| MODE_ODM_PRODUCTION_OPEN = 5, |
| }; |
| |
| /** |
| * Initializes fuse hardware |
| */ |
| void tegra_fuse_init(void); |
| |
| /** |
| * Calculate SoC UID |
| * |
| * Return: uid if ok, 0 on error |
| */ |
| unsigned long long tegra_chip_uid(void); |
| |
| /** |
| * Gives the current operating mode from fuses |
| * |
| * @return current operating mode |
| */ |
| enum fuse_operating_mode tegra_fuse_get_operation_mode(void); |
| |
| #endif /* ifndef _FUSE_H_ */ |
