1 /* 2 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20 * DEALINGS IN THE SOFTWARE. 21 */ 22 23 #ifndef __NVKM_SECURE_BOOT_H__ 24 #define __NVKM_SECURE_BOOT_H__ 25 26 #include <core/subdev.h> 27 28 enum nvkm_secboot_falcon { 29 NVKM_SECBOOT_FALCON_PMU = 0, 30 NVKM_SECBOOT_FALCON_RESERVED = 1, 31 NVKM_SECBOOT_FALCON_FECS = 2, 32 NVKM_SECBOOT_FALCON_GPCCS = 3, 33 NVKM_SECBOOT_FALCON_END = 4, 34 NVKM_SECBOOT_FALCON_INVALID = 0xffffffff, 35 }; 36 37 /** 38 * @base: base IO address of the falcon performing secure boot 39 * @irq_mask: IRQ mask of the falcon performing secure boot 40 * @enable_mask: enable mask of the falcon performing secure boot 41 */ 42 struct nvkm_secboot { 43 const struct nvkm_secboot_func *func; 44 struct nvkm_subdev subdev; 45 46 enum nvkm_devidx devidx; 47 u32 base; 48 }; 49 #define nvkm_secboot(p) container_of((p), struct nvkm_secboot, subdev) 50 51 bool nvkm_secboot_is_managed(struct nvkm_secboot *, enum nvkm_secboot_falcon); 52 int nvkm_secboot_reset(struct nvkm_secboot *, u32 falcon); 53 int nvkm_secboot_start(struct nvkm_secboot *, u32 falcon); 54 55 int gm200_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **); 56 int gm20b_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **); 57 58 #endif 59