1 Add script to make sd boot partition for am335x. 2 Support dual partition for…

1 Add script to make sd boot partition for am335x. 2 Support dual partition for WINCE install. 3 Fix the uEnv.txt error.

mk_am335x_sdboot.sh

+#!/bin/bash
+
+if [ ! -n "$1" ]; then
+  echo 'Please input device name for script, eg. /dev/sda'
+  exit 0
+fi
+
+DEV_NODE=$1
+
+BOOT_ROM_SIZE=10
+KERNEL_SIZE=2048
+
+## Partition
+## Erase partition table
+dd if=/dev/zero of=${DEV_NODE} bs=1024 count=1
+
+sfdisk --force ${DEV_NODE} << EOF
+,${KERNEL_SIZE}M,0c,*
+,,83
+EOF
+
+## Format
+mkfs.vfat -F 32 ${DEV_NODE}1
+until [ "$?" == 0 ]; do
+	sleep 8
+done
+mkfs.ext4 ${DEV_NODE}2
+until [ "$?" == 0 ]; do
+        sleep 8
+done
+
+echo "Finished!"
+exit 0

uEnv.txt

-bootargs=console=ttyO0,115200n8 root=/dev/mmcblk1p2 rootfstype=ext4 rw init=/linuxrc mem=512M coherent_pool=8M rootwait;
+bootargs=console=ttyO0,115200n8 root=/dev/mmcblk1p2 rootfstype=ext4 mem=512M coherent_pool=8M rootwait rw;
 bootcmd=fatls mmc 0;fatload mmc 0 0x82000000 zImage;fatload mmc 0 0x88000000 am335x-wth.dtb;bootz 0x82000000 - 0x88000000;
 uenvcmd=fatls mmc 0;fatload mmc 0 0x82000000 zImage;fatload mmc 0 0x88000000 am335x-wth.dtb;bootz 0x82000000 - 0x88000000;