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https://github.com/brain-hackers/u-boot-brain
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63905f1616
These variables act like loadaddr, but for a device tree image. Defining them in the environment allows boot scripts to be identical on Tegra20 and Tegra30, which have different memory base addresses, and hence need different values for these variables. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
150 lines
3.8 KiB
C
150 lines
3.8 KiB
C
/*
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* (C) Copyright 2010-2012
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* NVIDIA Corporation <www.nvidia.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __TEGRA2_COMMON_POST_H
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#define __TEGRA2_COMMON_POST_H
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#ifdef CONFIG_BOOTCOMMAND
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#define BOOTCMDS_COMMON ""
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#else
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#ifdef CONFIG_CMD_EXT2
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#define BOOT_FSTYPE_EXT2 "ext2 "
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#else
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#define BOOT_FSTYPE_EXT2 ""
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#endif
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#ifdef CONFIG_CMD_FAT
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#define BOOT_FSTYPE_FAT "fat"
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#else
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#define BOOT_FSTYPE_FAT ""
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#endif
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#ifdef CONFIG_CMD_MMC
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#define BOOTCMDS_MMC \
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"mmc_boot=" \
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"setenv devtype mmc; " \
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"if mmc dev ${devnum}; then " \
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"run scan_boot; " \
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"fi\0" \
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"bootcmd_mmc0=setenv devnum 0; run mmc_boot;\0" \
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"bootcmd_mmc1=setenv devnum 1; run mmc_boot;\0"
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#define BOOT_TARGETS_MMC "mmc1 mmc0"
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#else
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#define BOOTCMDS_MMC ""
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#define BOOT_TARGETS_MMC ""
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#endif
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#ifdef CONFIG_CMD_USB
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#define BOOTCMD_INIT_USB "run usb_init; "
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#define BOOTCMDS_USB \
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"usb_init=" \
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"if ${usb_need_init}; then " \
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"set usb_need_init false; " \
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"usb start 0; " \
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"fi\0" \
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\
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"usb_boot=" \
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"setenv devtype usb; " \
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BOOTCMD_INIT_USB \
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"if usb dev ${devnum}; then " \
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"run scan_boot; " \
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"fi\0" \
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\
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"bootcmd_usb0=setenv devnum 0; run usb_boot;\0"
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#define BOOT_TARGETS_USB "usb0"
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#else
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#define BOOTCMD_INIT_USB ""
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#define BOOTCMDS_USB ""
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#define BOOT_TARGETS_USB ""
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#endif
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#ifdef CONFIG_CMD_DHCP
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#define BOOTCMDS_DHCP \
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"bootcmd_dhcp=" \
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BOOTCMD_INIT_USB \
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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 BOOT_TARGETS_DHCP "dhcp"
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#else
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#define BOOTCMDS_DHCP ""
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#define BOOT_TARGETS_DHCP ""
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#endif
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#define BOOTCMDS_COMMON \
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"scriptaddr=0x400000\0" \
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\
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"rootpart=1\0" \
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\
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"script_boot=" \
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"if ${fs}load ${devtype} ${devnum}:${rootpart} " \
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"${scriptaddr} ${prefix}${script}; then " \
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"echo ${script} found! Executing ...;" \
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"source ${scriptaddr};" \
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"fi;\0" \
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\
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"scan_boot=" \
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"echo Scanning ${devtype} ${devnum}...; " \
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"for fs in ${boot_fstypes}; do " \
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"for prefix in ${boot_prefixes}; do " \
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"for script in ${boot_scripts}; do " \
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"run script_boot; " \
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"done; " \
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"done; " \
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"done;\0" \
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\
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"boot_targets=" \
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BOOT_TARGETS_MMC " " \
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BOOT_TARGETS_USB " " \
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BOOT_TARGETS_DHCP " " \
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"\0" \
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\
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"boot_fstypes=" \
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BOOT_FSTYPE_EXT2 " " \
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BOOT_FSTYPE_FAT " " \
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"\0" \
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\
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"boot_prefixes=/ /boot/\0" \
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\
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"boot_scripts=boot.scr.uimg boot.scr\0" \
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\
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BOOTCMDS_MMC \
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BOOTCMDS_USB \
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BOOTCMDS_DHCP
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#define CONFIG_BOOTCOMMAND \
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"for target in ${boot_targets}; do run bootcmd_${target}; done"
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#endif
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#define CONFIG_EXTRA_ENV_SETTINGS \
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TEGRA2_DEVICE_SETTINGS \
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"fdt_load=0x01000000\0" \
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"fdt_high=01100000\0" \
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BOOTCMDS_COMMON
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#endif /* __TEGRA2_COMMON_POST_H */
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