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authorwdenk <wdenk>2003-05-20 14:25:27 +0000
committerwdenk <wdenk>2003-05-20 14:25:27 +0000
commit7f70e85309c6367138c0ebd14abdd49964b8d50a (patch)
tree07a10be9b048491fd4a1da6b459728ac16739861 /board/cray/L1/bootscript.hush
parent59de2ed6b5631c709d6e9c6dce7c0bffdf5a2058 (diff)
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* Patch by David Updegraff, 22 Apr 2003:
update for CrayL1 board * Patch by Pantelis Antoniou, 21 Apr 2003: add boot support for ARTOS (a proprietary OS) * Patch by Steven Scholz, 11 Apr 2003: Add support for RTC DS1338 * Patch by Rod Boyce, 24 Jan 2003: Fix counting of extended partitions in diskboot command
Diffstat (limited to 'board/cray/L1/bootscript.hush')
-rw-r--r--board/cray/L1/bootscript.hush117
1 files changed, 117 insertions, 0 deletions
diff --git a/board/cray/L1/bootscript.hush b/board/cray/L1/bootscript.hush
new file mode 100644
index 0000000..ec4839b
--- /dev/null
+++ b/board/cray/L1/bootscript.hush
@@ -0,0 +1,117 @@
+# $Header$
+# hush bootscript for PPCBOOT on L1
+# note: all #s are in hex, do _NOT_ prefix it with 0x
+
+flash_rfs=ffc00000
+flash_krl=fff00000
+tftp_addr=100000
+tftp2_addr=1000000
+
+if printenv booted
+then
+ echo already booted before
+else
+ echo first boot in environment, create and save settings
+ setenv booted OK
+ saveenv
+fi
+
+setenv autoload no
+# clear out stale env stuff, so we get fresh from dhcp.
+for setting in initrd fromflash kernel rootfs rootpath
+do
+setenv $setting
+done
+
+dhcp
+
+# if host provides us with a different bootscript, us it.
+if printenv bootscript
+ then
+ tftp $tftp_addr $bootcript
+ if imi $tftp_addr
+ then
+ autoscript $tftp_addr
+ fi
+fi
+
+# default base kernel arguments.
+setenv bootargs $xbootargs devfs=mount ip=$ipaddr:$serverip:$gatewayip:$netmask:L1:eth0:off wdt=120
+
+# Have a kernel in flash?
+if imi $flash_krl
+then
+ echo ok kernel to boot from $flash_krl
+ setenv kernel $flash_krl
+else
+ echo no kernel to boot from $flash_krl, need tftp
+fi
+
+# Have a rootfs in flash?
+echo test for SQUASHfs at $flash_rfs
+
+if imi $flash_rfs
+then
+ echo appears to be a good initrd image at base of flash OK
+ setenv rootfs $flash_rfs
+else
+ echo no image at base of flash, need nfsroot or initrd
+fi
+
+# I boot from flash if told to and I can.
+if printenv fromflash && printenv kernel && printenv rootfs
+then
+ echo booting entirely from flash
+ setenv bootargs root=/dev/ram0 rw $bootargs
+ bootm $kernel $rootfs
+ echo oh no failed so I try some other stuff
+fi
+
+# TFTP down a kernel
+if printenv bootfile
+then
+ tftp $tftp_addr $bootfile
+ setenv kernel $tftp_addr
+ echo I will boot the TFTP kernel
+else
+ if printenv kernel
+ then
+ echo no bootfile specified, will use one from flash
+ else
+ setenv bootfile /opt/crayx1/craymcu/l1/flash/linux.image
+ echo OH NO! we have no bootfile,nor flash kernel! try default: $bootfile
+ tftp $tftp_addr $bootfile
+ setenv kernel $tftp_addr
+ fi
+fi
+
+# the rootfs.
+if printenv rootpath
+then
+ echo rootpath is $rootpath
+ if printenv initrd
+ then
+ echo initrd is also specified, so use $initrd
+ tftp $tftp2_addr $initrd
+ setenv bootargs root=/dev/ram0 rw cwsroot=$serverip:$rootpath $bootargs
+ bootm $kernel $tftp2_addr
+ else
+ echo initrd is not specified, so use NFSROOT $rootpat
+ setenv bootargs root=/dev/nfs ro nfsroot=$serverip:$rootpath $bootargs
+ bootm $kernel
+ fi
+else
+ echo we have no rootpath check for one in flash
+ if printenv rootfs
+ then
+ echo I will use the one in flash
+ setenv bootargs root=/dev/mtdblock/0 ro rootfstype=squashfs $bootargs
+ bootm $kernel
+ else
+ setenv rootpath /export/crayl1
+ echo OH NO! we have no rootpath,nor flash kernel! try default: $rootpath
+ setenv bootargs root=/dev/mtdblock/0 ro rootfstype=squashfs $bootargs
+ bootm $kernel
+ fi
+fi
+reset