linux/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode.h
<<
>>
Prefs
   1/*
   2 * Copyright (c) 2014, 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_SECBOOT_LS_UCODE_H__
  24#define __NVKM_SECBOOT_LS_UCODE_H__
  25
  26#include <core/os.h>
  27#include <core/subdev.h>
  28#include <subdev/secboot.h>
  29
  30struct nvkm_acr;
  31
  32/**
  33 * struct ls_ucode_img_desc - descriptor of firmware image
  34 * @descriptor_size:            size of this descriptor
  35 * @image_size:                 size of the whole image
  36 * @bootloader_start_offset:    start offset of the bootloader in ucode image
  37 * @bootloader_size:            size of the bootloader
  38 * @bootloader_imem_offset:     start off set of the bootloader in IMEM
  39 * @bootloader_entry_point:     entry point of the bootloader in IMEM
  40 * @app_start_offset:           start offset of the LS firmware
  41 * @app_size:                   size of the LS firmware's code and data
  42 * @app_imem_offset:            offset of the app in IMEM
  43 * @app_imem_entry:             entry point of the app in IMEM
  44 * @app_dmem_offset:            offset of the data in DMEM
  45 * @app_resident_code_offset:   offset of app code from app_start_offset
  46 * @app_resident_code_size:     size of the code
  47 * @app_resident_data_offset:   offset of data from app_start_offset
  48 * @app_resident_data_size:     size of data
  49 *
  50 * A firmware image contains the code, data, and bootloader of a given LS
  51 * falcon in a single blob. This structure describes where everything is.
  52 *
  53 * This can be generated from a (bootloader, code, data) set if they have
  54 * been loaded separately, or come directly from a file.
  55 */
  56struct ls_ucode_img_desc {
  57        u32 descriptor_size;
  58        u32 image_size;
  59        u32 tools_version;
  60        u32 app_version;
  61        char date[64];
  62        u32 bootloader_start_offset;
  63        u32 bootloader_size;
  64        u32 bootloader_imem_offset;
  65        u32 bootloader_entry_point;
  66        u32 app_start_offset;
  67        u32 app_size;
  68        u32 app_imem_offset;
  69        u32 app_imem_entry;
  70        u32 app_dmem_offset;
  71        u32 app_resident_code_offset;
  72        u32 app_resident_code_size;
  73        u32 app_resident_data_offset;
  74        u32 app_resident_data_size;
  75        u32 nb_overlays;
  76        struct {u32 start; u32 size; } load_ovl[64];
  77        u32 compressed;
  78};
  79
  80/**
  81 * struct ls_ucode_img - temporary storage for loaded LS firmwares
  82 * @node:               to link within lsf_ucode_mgr
  83 * @falcon_id:          ID of the falcon this LS firmware is for
  84 * @ucode_desc:         loaded or generated map of ucode_data
  85 * @ucode_data:         firmware payload (code and data)
  86 * @ucode_size:         size in bytes of data in ucode_data
  87 * @ucode_off:          offset of the ucode in ucode_data
  88 * @sig:                signature for this firmware
  89 * @sig:size:           size of the signature in bytes
  90 *
  91 * Preparing the WPR LS blob requires information about all the LS firmwares
  92 * (size, etc) to be known. This structure contains all the data of one LS
  93 * firmware.
  94 */
  95struct ls_ucode_img {
  96        struct list_head node;
  97        enum nvkm_secboot_falcon falcon_id;
  98
  99        struct ls_ucode_img_desc ucode_desc;
 100        u8 *ucode_data;
 101        u32 ucode_size;
 102        u32 ucode_off;
 103
 104        u8 *sig;
 105        u32 sig_size;
 106};
 107
 108/**
 109 * struct fw_bin_header - header of firmware files
 110 * @bin_magic:          always 0x3b1d14f0
 111 * @bin_ver:            version of the bin format
 112 * @bin_size:           entire image size including this header
 113 * @header_offset:      offset of the firmware/bootloader header in the file
 114 * @data_offset:        offset of the firmware/bootloader payload in the file
 115 * @data_size:          size of the payload
 116 *
 117 * This header is located at the beginning of the HS firmware and HS bootloader
 118 * files, to describe where the headers and data can be found.
 119 */
 120struct fw_bin_header {
 121        u32 bin_magic;
 122        u32 bin_ver;
 123        u32 bin_size;
 124        u32 header_offset;
 125        u32 data_offset;
 126        u32 data_size;
 127};
 128
 129/**
 130 * struct fw_bl_desc - firmware bootloader descriptor
 131 * @start_tag:          starting tag of bootloader
 132 * @desc_dmem_load_off: DMEM offset of flcn_bl_dmem_desc
 133 * @code_off:           offset of code section
 134 * @code_size:          size of code section
 135 * @data_off:           offset of data section
 136 * @data_size:          size of data section
 137 *
 138 * This structure is embedded in bootloader firmware files at to describe the
 139 * IMEM and DMEM layout expected by the bootloader.
 140 */
 141struct fw_bl_desc {
 142        u32 start_tag;
 143        u32 dmem_load_off;
 144        u32 code_off;
 145        u32 code_size;
 146        u32 data_off;
 147        u32 data_size;
 148};
 149
 150int acr_ls_ucode_load_fecs(const struct nvkm_secboot *, int,
 151                           struct ls_ucode_img *);
 152int acr_ls_ucode_load_gpccs(const struct nvkm_secboot *, int,
 153                            struct ls_ucode_img *);
 154int acr_ls_ucode_load_pmu(const struct nvkm_secboot *, int,
 155                          struct ls_ucode_img *);
 156int acr_ls_pmu_post_run(const struct nvkm_acr *, const struct nvkm_secboot *);
 157int acr_ls_ucode_load_sec2(const struct nvkm_secboot *, int,
 158                           struct ls_ucode_img *);
 159int acr_ls_sec2_post_run(const struct nvkm_acr *, const struct nvkm_secboot *);
 160
 161#endif
 162