LXR uboot/include/configs/imx6

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright (C) 2014 Gateworks Corporation
   4 * Author: Tim Harvey <tharvey@gateworks.com>
   5 */
   6#ifndef __IMX6_SPL_CONFIG_H
   7#define __IMX6_SPL_CONFIG_H
   8
   9#ifdef CONFIG_SPL
  10
  11#ifdef CONFIG_MX6_OCRAM_256KB
  12/*
  13 * see Figure 8.4.1 in IMX6DQ Reference manuals:
  14 *  - IMX6DQ OCRAM (IRAM) is from 0x00907000 to 0x0093FFFF
  15 *  - BOOT ROM stack is at 0x0093FFB8
  16 *  - if icache/dcache is enabled (eFuse/strapping controlled) then the
  17 *    IMX BOOT ROM will setup MMU table at 0x00938000, therefore we need to
  18 *    fit between 0x00907000 and 0x00938000.
  19 *  - Additionally the BOOT ROM loads what they consider the firmware image
  20 *    which consists of a 4K header in front of us that contains the IVT, DCD
  21 *    and some padding thus 'our' max size is really 0x00908000 - 0x00938000
  22 *    or 192KB
  23 */
  24#define CONFIG_SPL_MAX_SIZE             0x30000
  25#define CONFIG_SPL_STACK                0x0093FFB8
  26/*
  27 * Pad SPL to 196KB (4KB header + 192KB max size). This allows to write the
  28 * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
  29 * boot media (given that boot media specific offset is configured properly).
  30 */
  31#define CONFIG_SPL_PAD_TO               0x31000
  32#else
  33/*
  34 * see Figure 8-3 in IMX6SDL Reference manuals:
  35 *  - IMX6SDL OCRAM (IRAM) is from 0x00907000 to 0x0091FFFF
  36 *  - BOOT ROM stack is at 0x0091FFB8
  37 *  - if icache/dcache is enabled (eFuse/strapping controlled) then the
  38 *    IMX BOOT ROM will setup MMU table at 0x00918000, therefore we need to
  39 *    fit between 0x00907000 and 0x00918000.
  40 *  - Additionally the BOOT ROM loads what they consider the firmware image
  41 *    which consists of a 4K header in front of us that contains the IVT, DCD
  42 *    and some padding thus 'our' max size is really 0x00908000 - 0x00918000
  43 *    or 64KB
  44 */
  45#define CONFIG_SPL_MAX_SIZE             0x10000
  46#define CONFIG_SPL_STACK                0x0091FFB8
  47/*
  48 * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the
  49 * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
  50 * boot media (given that boot media specific offset is configured properly).
  51 */
  52#define CONFIG_SPL_PAD_TO               0x11000
  53
  54#endif
  55
  56/* MMC support */
  57#if defined(CONFIG_SPL_MMC_SUPPORT)
  58#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION      1
  59#define CONFIG_SYS_MONITOR_LEN                  409600  /* 400 KB */
  60#endif
  61
  62/* SATA support */
  63#if defined(CONFIG_SPL_SATA_SUPPORT)
  64#define CONFIG_SPL_SATA_BOOT_DEVICE             0
  65#define CONFIG_SYS_SATA_FAT_BOOT_PARTITION      1
  66#endif
  67
  68/* Define the payload for FAT/EXT support */
  69#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
  70# ifdef CONFIG_OF_CONTROL
  71#  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME       "u-boot-dtb.img"
  72# else
  73#  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME       "u-boot.img"
  74# endif
  75#endif
  76
  77#if defined(CONFIG_MX6SX) || defined(CONFIG_MX6SL) || \
  78        defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
  79#define CONFIG_SPL_BSS_START_ADDR      0x88200000
  80#define CONFIG_SPL_BSS_MAX_SIZE        0x100000         /* 1 MB */
  81#define CONFIG_SYS_SPL_MALLOC_START    0x88300000
  82#define CONFIG_SYS_SPL_MALLOC_SIZE     0x100000         /* 1 MB */
  83#else
  84#define CONFIG_SPL_BSS_START_ADDR       0x18200000
  85#define CONFIG_SPL_BSS_MAX_SIZE         0x100000        /* 1 MB */
  86#define CONFIG_SYS_SPL_MALLOC_START     0x18300000
  87#define CONFIG_SYS_SPL_MALLOC_SIZE      0x100000        /* 1 MB */
  88#endif
  89#endif
  90
  91#endif
  92