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https://github.com/AsahiLinux/u-boot
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e7d3b21bb7
Add SPL boot support for mx6slevk board. 1. Introduce a configuration file mx6slevk_spl_defconfig. 2. i.MX6SL has same DRAM space with i.MX6SX, need to change SPL DRAM SPACE. 3. Include imx6_spl.h and related SPL macro in mx6slevk.h. 4. select SUPPORT_SPL for TARGET_MX6SLEVK. 5. Add SPL board code to do related initialization. Boot Log: U-Boot SPL 2015.07-00544-g1594a76 (Aug 17 2015 - 01:56:59) reading u-boot.img reading u-boot.img U-Boot 2015.07-00544-g1594a76 (Aug 17 2015 - 01:56:59 +0000) CPU: Freescale i.MX6SL rev1.2 996 MHz (running at 396 MHz) CPU: Commercial temperature grade (0C to 95C) at 50C Reset cause: POR Board: MX6SLEVK I2C: ready DRAM: 1 GiB PMIC: PFUZE100 ID=0x10 MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2 *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: FEC [PRIME] Hit any key to stop autoboot: 0 Signed-off-by: Peng Fan <Peng.Fan@freescale.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Fabio Estevam <fabio.estevam@freescale.com>
79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/*
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* Copyright (C) 2014 Gateworks Corporation
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* Author: Tim Harvey <tharvey@gateworks.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __IMX6_SPL_CONFIG_H
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#define __IMX6_SPL_CONFIG_H
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#ifdef CONFIG_SPL
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#define CONFIG_SPL_FRAMEWORK
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/*
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* see Figure 8-3 in IMX6DQ/IMX6SDL Reference manuals:
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* - IMX6SDL OCRAM (IRAM) is from 0x00907000 to 0x0091FFFF
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* - IMX6DQ has 2x IRAM of IMX6SDL but we intend to support IMX6SDL as well
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* - BOOT ROM stack is at 0x0091FFB8
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* - if icache/dcache is enabled (eFuse/strapping controlled) then the
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* IMX BOOT ROM will setup MMU table at 0x00918000, therefore we need to
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* fit between 0x00907000 and 0x00918000.
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* - Additionally 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 0x00908000 - 0x00918000
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* or 64KB
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*/
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#define CONFIG_SYS_THUMB_BUILD
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#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/omap-common/u-boot-spl.lds"
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#define CONFIG_SPL_TEXT_BASE 0x00908000
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#define CONFIG_SPL_MAX_SIZE 0x10000
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#define CONFIG_SPL_STACK 0x0091FFB8
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#define CONFIG_SPL_LIBCOMMON_SUPPORT
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#define CONFIG_SPL_LIBGENERIC_SUPPORT
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#define CONFIG_SPL_SERIAL_SUPPORT
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#define CONFIG_SPL_I2C_SUPPORT
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#define CONFIG_SPL_GPIO_SUPPORT
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/* NAND support */
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#if defined(CONFIG_SPL_NAND_SUPPORT)
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#define CONFIG_SPL_NAND_MXS
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#define CONFIG_SPL_DMA_SUPPORT
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#endif
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/* MMC support */
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#if defined(CONFIG_SPL_MMC_SUPPORT)
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#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 138 /* offset 69KB */
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#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 800 /* 400 KB */
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#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
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#define CONFIG_SYS_MONITOR_LEN (CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS/2*1024)
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#endif
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/* SATA support */
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#if defined(CONFIG_SPL_SATA_SUPPORT)
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#define CONFIG_SPL_SATA_BOOT_DEVICE 0
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#define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1
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#endif
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/* Define the payload for FAT/EXT support */
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#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
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#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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#define CONFIG_SPL_LIBDISK_SUPPORT
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#endif
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#if defined(CONFIG_MX6SX) || defined(CONFIG_MX6UL) || defined(CONFIG_MX6SL)
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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 0x3200000 /* 50 MB */
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#define CONFIG_SYS_TEXT_BASE 0x87800000
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#else
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#define CONFIG_SPL_BSS_START_ADDR 0x18200000
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#define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */
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#define CONFIG_SYS_SPL_MALLOC_START 0x18300000
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#define CONFIG_SYS_SPL_MALLOC_SIZE 0x3200000 /* 50 MB */
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#define CONFIG_SYS_TEXT_BASE 0x17800000
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#endif
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#endif
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#endif
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