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https://github.com/u-boot/u-boot.git
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baa7550c14
Add M4 boot environment functions for reference. Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com> Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com> Reviewed-by: Fabio Estevam <festevam@denx.de>
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2019-2021 Toradex
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*/
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#ifndef __APALIS_IMX8_H
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#define __APALIS_IMX8_H
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#include <asm/arch/imx-regs.h>
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#include <linux/sizes.h>
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/* Networking */
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#define MEM_LAYOUT_ENV_SETTINGS \
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"fdt_addr_r=0x9d400000\0" \
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"kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
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"kernel_comp_addr_r=0xf0000000\0" \
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"kernel_comp_size=0x08000000\0" \
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"ramdisk_addr_r=0x9d500000\0" \
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"scriptaddr=0x9d480000\0"
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/* Boot M4 */
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#define M4_BOOT_ENV \
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"m4_0_image=m4_0.bin\0" \
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"m4_1_image=m4_1.bin\0" \
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"loadm4image_0=load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${m4_0_image}\0" \
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"loadm4image_1=load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${m4_1_image}\0" \
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"m4boot_0=run loadm4image_0; dcache flush; bootaux ${loadaddr} 0\0" \
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"m4boot_1=run loadm4image_1; dcache flush; bootaux ${loadaddr} 1\0" \
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/* Enable Distro Boot */
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#define BOOT_TARGET_DEVICES(func) \
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func(MMC, mmc, 1) \
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func(MMC, mmc, 2) \
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func(MMC, mmc, 0) \
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func(DHCP, dhcp, na)
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#include <config_distro_bootcmd.h>
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/* Initial environment variables */
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#define CFG_EXTRA_ENV_SETTINGS \
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BOOTENV \
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M4_BOOT_ENV \
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MEM_LAYOUT_ENV_SETTINGS \
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"boot_script_dhcp=boot.scr\0" \
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"console=ttyLP1\0" \
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"fdt_board=eval\0" \
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"initrd_addr=0x83800000\0" \
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"initrd_high=0xffffffffffffffff\0" \
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"setup=setenv setupargs console=tty1 console=${console},${baudrate} " \
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"consoleblank=0 earlycon\0" \
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"update_uboot=askenv confirm Did you load flash.bin resp. u-boot-dtb.imx (y/N)?; " \
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"if test \"$confirm\" = \"y\"; then " \
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"setexpr blkcnt ${filesize} + 0x1ff && setexpr blkcnt " \
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"${blkcnt} / 0x200; mmc dev 0 1; mmc write ${loadaddr} 0x0 " \
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"${blkcnt}; fi\0"
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#define CFG_SYS_SDRAM_BASE 0x80000000
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#define PHYS_SDRAM_1 0x80000000
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#define PHYS_SDRAM_2 0x880000000
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#define PHYS_SDRAM_1_SIZE SZ_2G /* 2 GB */
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#define PHYS_SDRAM_2_SIZE SZ_2G /* 2 GB */
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#endif /* __APALIS_IMX8_H */
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