83f5195e32
TI boards use a custom (though faily common to TI boards) mechanism for booting Linux. We would like to use the "distroboot" approach. Enable distroboot as a further option to use for booting on am625 should the existing options fail. Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Configuration header file for K3 AM625 SoC family
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*
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* Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
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* Suman Anna <s-anna@ti.com>
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*/
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#ifndef __CONFIG_AM625_EVM_H
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#define __CONFIG_AM625_EVM_H
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#include <config_distro_bootcmd.h>
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#include <environment/ti/mmc.h>
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/* DDR Configuration */
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#define CFG_SYS_SDRAM_BASE1 0x880000000
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#ifdef CONFIG_CMD_MMC
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#define DISTRO_BOOT_DEV_MMC(func) func(MMC, mmc, 0) func(MMC, mmc, 1)
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#else
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#define DISTRO_BOOT_DEV_MMC(func)
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#endif
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#ifdef CONFIG_CMD_PXE
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#define DISTRO_BOOT_DEV_PXE(func) func(PXE, pxe, na)
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#else
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#define DISTRO_BOOT_DEV_PXE(func)
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#endif
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#ifdef CONFIG_CMD_DHCP
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#define DISTRO_BOOT_DEV_DHCP(func) func(DHCP, dhcp, na)
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#else
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#define DISTRO_BOOT_DEV_DHCP(func)
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#endif
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#define BOOT_TARGET_DEVICES(func) \
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DISTRO_BOOT_DEV_MMC(func) \
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DISTRO_BOOT_DEV_PXE(func) \
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DISTRO_BOOT_DEV_DHCP(func)
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#define PARTS_DEFAULT \
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/* Linux partitions */ \
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"name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
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/* U-Boot general configuration */
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#define EXTRA_ENV_AM625_BOARD_SETTINGS \
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"default_device_tree=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
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"findfdt=" \
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"setenv name_fdt ${default_device_tree};" \
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"setenv fdtfile ${name_fdt}\0" \
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"name_kern=Image\0" \
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"console=ttyS2,115200n8\0" \
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"args_all=setenv optargs ${optargs} earlycon=ns16550a,mmio32,0x02800000 " \
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"${mtdparts}\0" \
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"run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
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/* U-Boot MMC-specific configuration */
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#define EXTRA_ENV_AM625_BOARD_SETTINGS_MMC \
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"boot=mmc\0" \
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"mmcdev=1\0" \
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"bootpart=1:2\0" \
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"bootdir=/boot\0" \
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"rd_spec=-\0" \
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"init_mmc=run args_all args_mmc\0" \
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"get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${name_fdt}\0" \
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"get_overlay_mmc=" \
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"fdt address ${fdtaddr};" \
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"fdt resize 0x100000;" \
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"for overlay in $name_overlays;" \
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"do;" \
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"load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && " \
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"fdt apply ${dtboaddr};" \
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"done;\0" \
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"get_kern_mmc=load mmc ${bootpart} ${loadaddr} " \
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"${bootdir}/${name_kern}\0" \
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"get_fit_mmc=load mmc ${bootpart} ${addr_fit} " \
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"${bootdir}/${name_fit}\0" \
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"partitions=" PARTS_DEFAULT
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/* Incorporate settings into the U-Boot environment */
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#define CFG_EXTRA_ENV_SETTINGS \
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DEFAULT_LINUX_BOOT_ENV \
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DEFAULT_MMC_TI_ARGS \
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EXTRA_ENV_AM625_BOARD_SETTINGS \
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EXTRA_ENV_AM625_BOARD_SETTINGS_MMC \
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BOOTENV
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/* Now for the remaining common defines */
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#include <configs/ti_armv7_common.h>
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#endif /* __CONFIG_AM625_EVM_H */
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