imx7_spl.h
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/*
* SPL definitions for the i.MX7 SPL
*
* (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
*
* Author: Uri Mashiach <uri.mashiach@compulab.co.il>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __IMX7_SPL_CONFIG_H
#define __IMX7_SPL_CONFIG_H
#ifdef CONFIG_SPL
/*
* see figure 6-22 in i.MX 7Dual/Solo Reference manuals:
* - IMX7D/S OCRAM free area RAM (OCRAM) is from 0x00910000 to
* 0x00946C00.
* - Set the stack at the end of the free area section, at 0x00946BB8.
* - The BOOT ROM loads what they consider the firmware image
* which consists of a 4K header in front of us that contains the IVT, DCD
* and some padding thus 'our' max size is really 0x00946BB8 - 0x00911000.
* 64KB is more then enough for the SPL.
*/
#define CONFIG_SPL_TEXT_BASE 0x00911000
#define CONFIG_SPL_MAX_SIZE 0x10000
#define CONFIG_SPL_STACK 0x00946BB8
/*
* Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the
* SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
* boot media (given that boot media specific offset is configured properly).
*/
#define CONFIG_SPL_PAD_TO 0x11000
/* MMC support */
#if defined(CONFIG_SPL_MMC_SUPPORT)
#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
#define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */
#endif
/* Define the payload for FAT/EXT support */
#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
# ifdef CONFIG_OF_CONTROL
# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img"
# else
# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
# endif
#endif
#define CONFIG_SPL_BSS_START_ADDR 0x88200000
#define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */
#define CONFIG_SYS_SPL_MALLOC_START 0x88300000
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */
#endif /* CONFIG_SPL */
#endif /* __IMX7_SPL_CONFIG_H */