From 21188c7e9dd291cb1e2ae3da839556bdfbe795cd Mon Sep 17 00:00:00 2001
From: Matthias Hentges <oe@hentges.net>
Date: Tue, 25 Dec 2007 15:08:11 +0000
Subject: zaurus-updater: Add support for installing and updating u-boot,
 disabled by default.

---
 packages/zaurus-updater/zaurus-updater.bb         |  2 +-
 packages/zaurus-updater/zaurus-updater/updater.sh | 67 ++++++++++++++++++++++-
 2 files changed, 65 insertions(+), 4 deletions(-)

diff --git a/packages/zaurus-updater/zaurus-updater.bb b/packages/zaurus-updater/zaurus-updater.bb
index fb4d6e2584..052560dcc9 100644
--- a/packages/zaurus-updater/zaurus-updater.bb
+++ b/packages/zaurus-updater/zaurus-updater.bb
@@ -1,7 +1,7 @@
 DESCRIPTION = "Encrypted shellscript for the Zaurus ROM update"
 DEPENDS = "encdec-updater-native"
 LICENSE = "zaurus-updater"
-PR = "r19"
+PR = "r20"
 
 PACKAGES = ""
 PACKAGE_ARCH = "${MACHINE_ARCH}"
diff --git a/packages/zaurus-updater/zaurus-updater/updater.sh b/packages/zaurus-updater/zaurus-updater/updater.sh
index ed558be941..22d4b3914d 100644
--- a/packages/zaurus-updater/zaurus-updater/updater.sh
+++ b/packages/zaurus-updater/zaurus-updater/updater.sh
@@ -39,6 +39,12 @@
 # - Unify format of do_flashing()...
 # - Display ${PR} of zaurus-updater.bb to the user
 # - Polish HDD installer messages
+#
+# 2007.12.25 Matthias 'CoreDump' Hentges
+# -Add support for installing / updating u-boot
+
+# Set to "yes" to enable
+ENABLE_UBOOT_UPDATER="no"
 
 DATAPATH=$1
 TMPPATH=/tmp/update
@@ -289,6 +295,53 @@ do_flashing()
 	fi
 }
 
+update_uboot() {
+	# The flashing part of this function is based on pdaXrom's
+	# updater.sh
+	
+	if test "$ENABLE_UBOOT_UPDATER" != "yes" -o -z "$1"
+	then
+		echo "u-boot updates not allowed."
+		return
+	fi
+
+	echo ""
+	echo "Installing u-boot bootloader:"
+
+	DATASIZE=`wc -c $TARGETFILE`
+	FSIZE=`echo $DATASIZE | cut -d' ' -f1`
+
+	echo -n "* Creating backup ($FSIZE Bytes)..."
+	if ( nandlogical /dev/mtd1 READ 0 $FSIZE /tmp/sharploader.bin ) > /dev/null 2>&1
+	then
+		echo "Ok"
+
+		echo -n "* Flashing u-boot..."
+		if ( nandlogical /dev/mtd1 WRITE 0 $FSIZE $1 ) > /dev/null 2>&1
+		then
+			echo "Success"
+		else
+			echo "FAILED"
+			echo "ERROR: Installation of u-boot failed!"
+
+			echo -n "* Trying to restore backup..."			
+			if ( nandlogical /dev/mtd1 WRITE 0 $FSIZE /tmp/sharploader.bin ) > /dev/null 2>&1
+			then
+				echo "Success"
+				echo "Your old bootloader has been restored"
+			else
+				echo "FAILED"
+				echo "Sorry, it's NAND-Restore time for you =("
+			fi
+		fi
+	else
+		echo "FAILED"
+		echo "Could not create backup, aborting!"
+		echo "Your bootloader has not been altered in any way."
+		exit 1
+	fi		
+}
+
 ### Check model ###
 /sbin/writerominfo
 MODEL=`cat /proc/deviceinfo/product`
@@ -328,7 +381,7 @@ mkdir -p $TMPPATH > /dev/null 2>&1
 
 cd $DATAPATH/
 
-for TARGETFILE in zimage zImage zImage.bin zimage.bin ZIMAGE ZIMAGE.BIN initrd.bin INITRD.BIN hdimage1.tgz HDIMAGE1.TGZ
+for TARGETFILE in u-boot.bin U-BOOT.BIN zimage zImage zImage.bin zimage.bin ZIMAGE ZIMAGE.BIN initrd.bin INITRD.BIN hdimage1.tgz HDIMAGE1.TGZ
 do
     if [ ! -e $TARGETFILE ]
     then
@@ -388,10 +441,18 @@ do
     hdimage1.tgz)
         if [ $UNPACKED_ROOTFS = 0 ]
         then
-        do_rootfs_extraction
+        	do_rootfs_extraction
         fi
         ;;
-
+    
+    u-boot.bin)
+    	if [ FLASHED_UBOOT != 1 ]
+	then
+		update_uboot "$TARGETFILE"
+		FLASHED_UBOOT="1"
+	fi
+	;;	
+	
     *)
         ;;
     esac
-- 
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