751a13618a
This makes the boot script set appropriate root parameters when it's loaded from a NAND flash device. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
48 lines
1.9 KiB
Forth
48 lines
1.9 KiB
Forth
\ OLPC XO boot script
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: (visible) " unfreeze visible" evaluate ;
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' (visible) catch drop forget (visible)
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" /aliases" find-device " last" get-property
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abort" No last alias"
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" /pci/sd@c" 2over substring? if " root=/dev/mmcblk0p1 " to boot-file then
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" /sd/sdhci@d4280000" 2over substring? if " root=/dev/mmcblk1p1 " to boot-file then
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" /pci/usb@" 2over substring? if " root=/dev/sda1 " to boot-file then
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" /usb@" 2over substring? if " root=/dev/sda1 " to boot-file then
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" /pci/nandflash@c" 2over substring? if " root=/dev/mtdblock0 rootfstype=jffs2 " to boot-file then
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2drop
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root-device " compatible" get-property dend if 0 0 then ( compatible$ )
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" olpc,xo-1.75" 2over sindex -1 > if ( compatible$ )
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\ Version check on XO-1.75
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" mrvl,mmp2" 2over sindex -1 = if ( compatible$ )
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2drop ( )
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cr
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." Firmware Q4E00 or newer is needed to boot a Devicetree enabled kernel." cr
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cr
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." One way to update is to copy http://dev.laptop.org/~quozl/q4e00ja.rom" cr
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." to a FAT partition on a USB flash stick and run ""flash u:\q4e00ja.rom""" cr
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cr
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." Aborting boot." cr
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" show-sad" evaluate
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abort
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then
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then ( compatible$ )
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" mmp" 2swap sindex -1 > if
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\ A Marvell MMP-based machine
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" last:\boot\zImage" to boot-device
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boot-file " console=ttyS2,115200 " $cat2 to boot-file
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else
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\ Assume XO-1
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" last:\boot\bzImage" to boot-device
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boot-file " console=ttyS0,115200 reboot=pci " $cat2 to boot-file
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then
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\ Pick a terminal that looks better on the XO screen
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root-device " architecture" get-property dend if 0 0 else 1- then
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" OLPC" $= if boot-file " fbcon=font:TER16x32 vt.color=0xf0 " $cat2 to boot-file then
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boot-file " console=tty0 rootwait" $cat2 to boot-file
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boot
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