src/cpu/ti/am335x/header.h

   1 /*
   2  * Copyright (C) 2013 Google Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef __CPU_TI_AM335X_HEADER_H
  16 #define __CPU_TI_AM335X_HEADER_H
  17
  18 #include <stdint.h>
  19
  20 struct configuration_header_toc_item {
  21         // Offset from the start address of the TOC to the actual address of
  22         // a section.
  23         uint32_t start;
  24
  25         // Size of a section.
  26         uint32_t size;
  27
  28         // Reserved.
  29         uint32_t reserved[3];
  30
  31         // 12-character name of a section, including the zero (\0) terminator.
  32         char filename[12];
  33 } __attribute__((packed));
  34
  35 struct configuration_header_settings {
  36         // Key used for section verification.
  37         uint32_t key;
  38
  39         // Enables or disables the section.
  40         // 00h: Disable.
  41         // Other: Enable.
  42         uint8_t valid;
  43
  44         // Configuration header version.
  45         uint8_t version;
  46
  47         // Reserved.
  48         uint16_t reserved;
  49
  50         // Flags. It's not clear what this is used for.
  51         uint32_t flags;
  52 } __attribute__((packed));
  53
  54 struct gp_device_header {
  55         // Size of the image.
  56         uint32_t size;
  57
  58         // Address to store the image/code entry point.
  59         uint32_t destination;
  60 } __attribute__((packed));
  61
  62 #endif