mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
a1d31077d0
Now that "usb start" will only start usb if not already started, we can simply call "usb start" whenever we (may) need access to usb devices, and it will only actually scan the bus at the first call. Signed-off-by: Hans de Goede <hdegoede@redhat.com>
202 lines
6.6 KiB
C
202 lines
6.6 KiB
C
/*
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* (C) Copyright 2014
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* NVIDIA Corporation <www.nvidia.com>
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*
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* Copyright 2014 Red Hat, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _CONFIG_CMD_DISTRO_BOOTCMD_H
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#define _CONFIG_CMD_DISTRO_BOOTCMD_H
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#define BOOTENV_SHARED_BLKDEV_BODY(devtypel) \
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"if " #devtypel " dev ${devnum}; then " \
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"setenv devtype " #devtypel "; " \
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"run scan_dev_for_boot; " \
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"fi\0"
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#define BOOTENV_SHARED_BLKDEV(devtypel) \
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#devtypel "_boot=" \
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BOOTENV_SHARED_BLKDEV_BODY(devtypel)
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#define BOOTENV_DEV_BLKDEV(devtypeu, devtypel, instance) \
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"bootcmd_" #devtypel #instance "=" \
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"setenv devnum " #instance "; " \
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"run " #devtypel "_boot\0"
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#define BOOTENV_DEV_NAME_BLKDEV(devtypeu, devtypel, instance) \
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#devtypel #instance " "
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#ifdef CONFIG_CMD_MMC
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#define BOOTENV_SHARED_MMC BOOTENV_SHARED_BLKDEV(mmc)
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#define BOOTENV_DEV_MMC BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_MMC BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_SHARED_MMC
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#define BOOTENV_DEV_MMC \
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BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
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#define BOOTENV_DEV_NAME_MMC \
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BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
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#endif
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#ifdef CONFIG_CMD_SATA
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#define BOOTENV_SHARED_SATA BOOTENV_SHARED_BLKDEV(sata)
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#define BOOTENV_DEV_SATA BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_SATA BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_SHARED_SATA
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#define BOOTENV_DEV_SATA \
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BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
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#define BOOTENV_DEV_NAME_SATA \
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BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
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#endif
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#ifdef CONFIG_CMD_SCSI
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#define BOOTENV_RUN_SCSI_INIT "run scsi_init; "
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#define BOOTENV_SET_SCSI_NEED_INIT "setenv scsi_need_init; "
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#define BOOTENV_SHARED_SCSI \
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"scsi_init=" \
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"if ${scsi_need_init}; then " \
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"setenv scsi_need_init false; " \
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"scsi scan; " \
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"fi\0" \
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\
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"scsi_boot=" \
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BOOTENV_RUN_SCSI_INIT \
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BOOTENV_SHARED_BLKDEV_BODY(scsi)
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#define BOOTENV_DEV_SCSI BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_SCSI BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_RUN_SCSI_INIT
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#define BOOTENV_SET_SCSI_NEED_INIT
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#define BOOTENV_SHARED_SCSI
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#define BOOTENV_DEV_SCSI \
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BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
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#define BOOTENV_DEV_NAME_SCSI \
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BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
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#endif
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#ifdef CONFIG_CMD_IDE
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#define BOOTENV_SHARED_IDE BOOTENV_SHARED_BLKDEV(ide)
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#define BOOTENV_DEV_IDE BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_IDE BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_SHARED_IDE
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#define BOOTENV_DEV_IDE \
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BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
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#define BOOTENV_DEV_NAME_IDE \
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BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
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#endif
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#ifdef CONFIG_CMD_USB
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#define BOOTENV_RUN_USB_INIT "usb start; "
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#define BOOTENV_SHARED_USB \
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"usb_boot=" \
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BOOTENV_RUN_USB_INIT \
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BOOTENV_SHARED_BLKDEV_BODY(usb)
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#define BOOTENV_DEV_USB BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_USB BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_RUN_USB_INIT
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#define BOOTENV_SHARED_USB
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#define BOOTENV_DEV_USB \
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BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
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#define BOOTENV_DEV_NAME_USB \
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BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
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#endif
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#if defined(CONFIG_CMD_DHCP)
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#define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \
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"bootcmd_dhcp=" \
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BOOTENV_RUN_USB_INIT \
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"if dhcp ${scriptaddr} boot.scr.uimg; then " \
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"source ${scriptaddr}; " \
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"fi\0"
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#define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \
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"dhcp "
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#else
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#define BOOTENV_DEV_DHCP \
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BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
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#define BOOTENV_DEV_NAME_DHCP \
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BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
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#endif
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#if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE)
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#define BOOTENV_DEV_PXE(devtypeu, devtypel, instance) \
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"bootcmd_pxe=" \
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BOOTENV_RUN_USB_INIT \
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"dhcp; " \
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"if pxe get; then " \
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"pxe boot; " \
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"fi\0"
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#define BOOTENV_DEV_NAME_PXE(devtypeu, devtypel, instance) \
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"pxe "
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#else
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#define BOOTENV_DEV_PXE \
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BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
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#define BOOTENV_DEV_NAME_PXE \
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BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
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#endif
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#define BOOTENV_DEV_NAME(devtypeu, devtypel, instance) \
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BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance)
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#define BOOTENV_BOOT_TARGETS \
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"boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0"
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#define BOOTENV_DEV(devtypeu, devtypel, instance) \
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BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance)
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#define BOOTENV \
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BOOTENV_SHARED_MMC \
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BOOTENV_SHARED_USB \
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BOOTENV_SHARED_SATA \
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BOOTENV_SHARED_SCSI \
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BOOTENV_SHARED_IDE \
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"boot_prefixes=/ /boot/\0" \
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"boot_scripts=boot.scr.uimg boot.scr\0" \
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BOOTENV_BOOT_TARGETS \
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"bootpart=1\0" \
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\
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"boot_extlinux=" \
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"sysboot ${devtype} ${devnum}:${bootpart} any " \
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"${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
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\
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"scan_dev_for_extlinux=" \
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"if test -e ${devtype} ${devnum}:${bootpart} " \
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"${prefix}extlinux/extlinux.conf; then " \
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"echo Found ${prefix}extlinux/extlinux.conf; " \
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"run boot_extlinux; " \
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"echo SCRIPT FAILED: continuing...; " \
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"fi\0" \
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\
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"boot_a_script=" \
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"load ${devtype} ${devnum}:${bootpart} " \
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"${scriptaddr} ${prefix}${script}; " \
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"source ${scriptaddr}\0" \
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\
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"scan_dev_for_scripts=" \
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"for script in ${boot_scripts}; do " \
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"if test -e ${devtype} ${devnum}:${bootpart} " \
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"${prefix}${script}; then " \
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"echo Found U-Boot script " \
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"${prefix}${script}; " \
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"run boot_a_script; " \
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"echo SCRIPT FAILED: continuing...; " \
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"fi; " \
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"done\0" \
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\
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"scan_dev_for_boot=" \
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"echo Scanning ${devtype} ${devnum}...; " \
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"for prefix in ${boot_prefixes}; do " \
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"run scan_dev_for_extlinux; " \
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"run scan_dev_for_scripts; " \
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"done\0" \
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\
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BOOT_TARGET_DEVICES(BOOTENV_DEV) \
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\
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"bootcmd=" BOOTENV_SET_SCSI_NEED_INIT \
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"for target in ${boot_targets}; do " \
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"run bootcmd_${target}; " \
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"done\0"
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#endif /* _CONFIG_CMD_DISTRO_BOOTCMD_H */
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