56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* SPL definitions for the i.MX7 SPL
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*
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* (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
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*
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* Author: Uri Mashiach <uri.mashiach@compulab.co.il>
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*/
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#ifndef __IMX7_SPL_CONFIG_H
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#define __IMX7_SPL_CONFIG_H
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#ifdef CONFIG_SPL
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/*
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* see figure 6-22 in i.MX 7Dual/Solo Reference manuals:
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* - IMX7D/S OCRAM free area RAM (OCRAM) is from 0x00910000 to
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* 0x00946C00.
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* - Set the stack at the end of the free area section, at 0x00946BB8.
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* - The BOOT ROM loads what they consider the firmware image
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* which consists of a 4K header in front of us that contains the IVT, DCD
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* and some padding thus 'our' max size is really 0x00946BB8 - 0x00911000.
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* 64KB is more then enough for the SPL.
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*/
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#define CONFIG_SPL_MAX_SIZE 0x10000
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#define CONFIG_SPL_STACK 0x00946BB8
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/*
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* Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the
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* SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
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* boot media (given that boot media specific offset is configured properly).
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*/
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#define CONFIG_SPL_PAD_TO 0x11000
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/* MMC support */
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#if defined(CONFIG_SPL_MMC_SUPPORT)
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#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
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#define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */
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#endif
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/* Define the payload for FAT/EXT support */
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#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
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# ifdef CONFIG_OF_CONTROL
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# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img"
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# else
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# define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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# endif
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#endif
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#define CONFIG_SPL_BSS_START_ADDR 0x88200000
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#define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */
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#define CONFIG_SYS_SPL_MALLOC_START 0x88300000
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#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */
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#endif /* CONFIG_SPL */
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#endif /* __IMX7_SPL_CONFIG_H */
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