include/configs/imx7_spl.h

   1 /*
   2  * SPL definitions for the i.MX7 SPL
   3  *
   4  * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
   5  *
   6  * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
   7  *
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #ifndef __IMX7_SPL_CONFIG_H
  12 #define __IMX7_SPL_CONFIG_H
  13
  14 #ifdef CONFIG_SPL
  15 /*
  16  * see figure 6-22 in i.MX 7Dual/Solo Reference manuals:
  17  *  - IMX7D/S OCRAM free area RAM (OCRAM) is from 0x00910000 to
  18  *    0x00946C00.
  19  *  - Set the stack at the end of the free area section, at 0x00946BB8.
  20  *  - The BOOT ROM loads what they consider the firmware image
  21  *    which consists of a 4K header in front of us that contains the IVT, DCD
  22  *    and some padding thus 'our' max size is really 0x00946BB8 - 0x00911000.
  23  *    64KB is more then enough for the SPL.
  24  */
  25 #define CONFIG_SPL_TEXT_BASE            0x00911000
  26 #define CONFIG_SPL_MAX_SIZE             0x10000
  27 #define CONFIG_SPL_STACK                0x00946BB8
  28 /*
  29  * Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the
  30  * SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
  31  * boot media (given that boot media specific offset is configured properly).
  32  */
  33 #define CONFIG_SPL_PAD_TO               0x11000
  34
  35 /* MMC support */
  36 #if defined(CONFIG_SPL_MMC_SUPPORT)
  37 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION      1
  38 #define CONFIG_SYS_MONITOR_LEN                  409600  /* 400 KB */
  39 #endif
  40
  41 /* Define the payload for FAT/EXT support */
  42 #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
  43 # ifdef CONFIG_OF_CONTROL
  44 #  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME       "u-boot-dtb.img"
  45 # else
  46 #  define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME       "u-boot.img"
  47 # endif
  48 #endif
  49
  50 #define CONFIG_SPL_BSS_START_ADDR      0x88200000
  51 #define CONFIG_SPL_BSS_MAX_SIZE        0x100000         /* 1 MB */
  52 #define CONFIG_SYS_SPL_MALLOC_START    0x88300000
  53 #define CONFIG_SYS_SPL_MALLOC_SIZE     0x100000         /* 1 MB */
  54
  55 #endif /* CONFIG_SPL */
  56
  57 #endif /* __IMX7_SPL_CONFIG_H */