110 lines
2.6 KiB
Bash
110 lines
2.6 KiB
Bash
#!/bin/sh
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. /env/config
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if [ x$1 = xnand ]; then
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rootfs_loc=nand
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kernel_loc=nand
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elif [ x$1 = xnor ]; then
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rootfs_loc=nor
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kernel_loc=nor
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elif [ x$1 = xnet ]; then
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rootfs_loc=net
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kernel_loc=net
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fi
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if [ x$ip = xdhcp ]; then
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bootargs="$bootargs ip=dhcp"
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elif [ x$ip = xnone ]; then
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bootargs="ip=none"
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else
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bootargs="$bootargs ip=$eth0.ipaddr::$eth0.gateway:$eth0.netmask:::"
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fi
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if [ x$rootfs_loc = xnet ]; then
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bootargs="$bootargs root=/dev/nfs nfsroot=$nfsroot,v3,tcp noinitrd"
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elif [ x$rootfs_loc = xinitrd ]; then
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bootargs="$bootargs root=/dev/ram0 rdinit=/sbin/init"
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else
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if [ x$rootfs_loc = xnand ]; then
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rootfs_mtdblock=$rootfs_mtdblock_nand
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else
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rootfs_mtdblock=$rootfs_mtdblock_nor
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fi
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if [ x$rootfs_type = xubifs ]; then
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bootargs="$bootargs root=ubi0:root ubi.mtd=$rootfs_mtdblock"
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else
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bootargs="$bootargs root=/dev/mtdblock$rootfs_mtdblock"
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fi
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bootargs="$bootargs rootfstype=$rootfs_type noinitrd"
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fi
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if [ -n $nor_parts ]; then
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mtdparts="${mtdparts}physmap-flash.o:${nor_parts};"
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fi
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if [ -n $nand_parts ]; then
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mtdparts="${mtdparts}$nand_device:${nor_parts};"
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fi
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if [ -n $mtdparts ]; then
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bootargs="${bootargs} mtdparts=\"${mtdparts}\""
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fi
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if [ ! -e /dev/ram0.kernelraw ]; then
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# arm raw kernel images are usually located at sdram start + 0x8000
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addpart dev/ram0 8M@0x8000(kernelraw)
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fi
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if [ ! -e /dev/ram0.kernel ]; then
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# Here we can safely put the kernel without risking of overwriting it
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# while extracting
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addpart dev/ram0 8M(kernel)
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fi
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if [ x$kernel_loc = xnet ]; then
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if [ x$ip = xdhcp ]; then
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dhcp
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fi
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if [ $kernelimage_type = uimage ]; then
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netload="/dev/ram0.kernel"
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elif [ $kernelimage_type = zimage ]; then
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netload="/dev/ram0.kernel"
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elif [ $kernelimage_type = raw ]; then
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netload="/dev/ram0.kernelraw"
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elif [ $kernelimage_type = raw_lzo ]; then
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netload="/dev/ram0.kernel"
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else
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echo "error: set kernelimage_type to one of 'uimage', 'zimage', 'raw' or 'raw_lzo'"
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exit 1
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fi
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tftp $kernelimage $netload || exit 1
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kdev="$netload"
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elif [ x$kernel_loc = xnor ]; then
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kdev="/dev/nor0.kernel"
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elif [ x$kernel_loc = xnand ]; then
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kdev="/dev/nand0.kernel.bb"
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else
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echo "error: set kernel_loc to one of 'net', 'nand' or 'nor'"
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exit 1
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fi
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echo "booting kernel of type $kernelimage_type from $kdev"
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if [ x$kernelimage_type = xuimage ]; then
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bootm $kdev
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elif [ x$kernelimage_type = xzimage ]; then
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bootz $kdev
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elif [ x$kernelimage_type = xraw ]; then
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if [ $kernel_loc != net ]; then
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cp $kdev /dev/ram0.kernelraw
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fi
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bootu /dev/ram0.kernelraw
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elif [ x$kernelimage_type = xraw_lzo ]; then
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unlzo $kdev /dev/ram0.kernelraw
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bootu /dev/ram0.kernelraw
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fi
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