csu3_am335x/board-support/u-boot-2017.01+gitAUTOINC+340fb36f04-g340fb36f04/include/environment/ti/boot.h

/*
 * Boot related environment variable definitions on TI boards.
 *
 * (C) Copyright 2017 Linaro Ltd.
 * Sam Protsenko <semen.protsenko@linaro.org>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __TI_BOOT_H
#define __TI_BOOT_H

#ifndef CONSOLEDEV
#define CONSOLEDEV "ttyO2"
#endif

#ifndef PARTS_DEFAULT
#define PARTS_DEFAULT
#endif

#define DEFAULT_COMMON_BOOT_TI_ARGS \
	"console=" CONSOLEDEV ",115200n8\0" \
	"fdtfile=undefined\0" \
	"bootpart=0:2\0" \
	"bootdir=/boot\0" \
	"bootfile=zImage\0" \
	"usbtty=cdc_acm\0" \
	"vram=16M\0" \
	"partitions=" PARTS_DEFAULT "\0" \
	"optargs=\0" \
	"dofastboot=0\0" \
	"emmc_linux_boot=" \
		"echo Trying to boot Linux from eMMC ...; " \
		"setenv mmcdev 1; " \
		"setenv bootpart 1:2; " \
		"setenv mmcroot /dev/mmcblk0p2 rw; " \
		"run mmcboot;\0" \
	"emmc_android_boot=" \
		"echo Trying to boot Android from eMMC ...; " \
		"setenv eval_bootargs setenv bootargs $bootargs; " \
		"run eval_bootargs; " \
		"setenv mmcdev 1; " \
		"setenv fdt_part 3; " \
		"setenv boot_part 9; " \
		"setenv machid fe6; " \
		"mmc dev $mmcdev; " \
		"mmc rescan; " \
		"part start mmc ${mmcdev} ${fdt_part} fdt_start; " \
		"part size mmc ${mmcdev} ${fdt_part} fdt_size; " \
		"part start mmc ${mmcdev} ${boot_part} boot_start; " \
		"part size mmc ${mmcdev} ${boot_part} boot_size; " \
		"mmc read ${fdtaddr} ${fdt_start} ${fdt_size}; " \
		"mmc read ${loadaddr} ${boot_start} ${boot_size}; " \
		"bootm $loadaddr $loadaddr $fdtaddr;\0"

#ifdef CONFIG_OMAP54XX

#define DEFAULT_FDT_TI_ARGS \
	"findfdt="\
		"if test $board_name = omap5_uevm; then " \
			"setenv fdtfile omap5-uevm.dtb; fi; " \
		"if test $board_name = dra7xx; then " \
			"setenv fdtfile dra7-evm.dtb; fi;" \
		"if test $board_name = dra72x-revc; then " \
			"setenv fdtfile dra72-evm-revc.dtb; fi;" \
		"if test $board_name = dra72x; then " \
			"setenv fdtfile dra72-evm.dtb; fi;" \
		"if test $board_name = dra71x; then " \
			"setenv fdtfile dra71-evm.dtb; fi;" \
		"if test $board_name = dra76x_acd; then " \
			"setenv fdtfile dra76-evm.dtb; fi;" \
		"if test $board_name = beagle_x15; then " \
			"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
		"if test $board_name = beagle_x15_revb1; then " \
			"setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \
		"if test $board_name = beagle_x15_revc; then " \
			"setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \
		"if test $board_name = am572x_idk && test $idk_lcd = no; then " \
			"setenv fdtfile am572x-idk.dtb; fi;" \
		"if test $board_name = am572x_idk && test $idk_lcd = osd101t2045; then " \
			"setenv fdtfile am572x-idk-lcd-osd101t2045.dtb; fi;" \
		"if test $board_name = am572x_idk && test $idk_lcd = osd101t2587; then " \
			"setenv fdtfile am572x-idk-lcd-osd101t2587.dtb; fi;" \
		"if test $board_name = am574x_idk && test $idk_lcd = no; then " \
			"setenv fdtfile am574x-idk.dtb; fi;" \
		"if test $board_name = am574x_idk && test $idk_lcd = osd101t2587; then " \
			"setenv fdtfile am574x-idk-lcd-osd101t2587.dtb; fi;" \
		"if test $board_name = am57xx_evm; then " \
			"setenv fdtfile am57xx-evm.dtb; fi;" \
		"if test $board_name = am57xx_evm_reva3; then " \
			"setenv fdtfile am57xx-evm-reva3.dtb; fi;" \
		"if test $board_name = am571x_idk && test $idk_lcd = no; then " \
			"setenv fdtfile am571x-idk.dtb; fi;" \
		"if test $board_name = am571x_idk && test $idk_lcd = osd101t2045; then " \
			"setenv fdtfile am571x-idk-lcd-osd101t2045.dtb; fi;" \
		"if test $board_name = am571x_idk && test $idk_lcd = osd101t2587; then " \
			"setenv fdtfile am571x-idk-lcd-osd101t2587.dtb; fi;" \
		"if test $fdtfile = undefined; then " \
			"echo WARNING: Could not determine device tree to use; fi; \0" \

#define CONFIG_BOOTCOMMAND \
	"if test ${dofastboot} -eq 1; then " \
		"echo Boot fastboot requested, resetting dofastboot ...;" \
		"setenv dofastboot 0; saveenv;" \
		"echo Booting into fastboot ...; " \
		"fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \
	"fi;" \
	"if test ${boot_fit} -eq 1; then "	\
		"run update_to_fit;"	\
	"fi;"	\
	"run findfdt; " \
	"run envboot; " \
	"run mmcboot;" \
	"run emmc_linux_boot; " \
	"run emmc_android_boot; " \
	""

#endif /* CONFIG_OMAP54XX */

#endif /* __TI_BOOT_H */