wifipineapple-openwrt/target/linux/sunxi/base-files/lib/sunxi.sh

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#!/bin/sh
# defaults
SUNXI_BOARD_NAME="generic sunxi"
SUNXI_BOARD_MODEL="generic sunxi"
SUNXI_ENV_DEV=/dev/mmcblk0
#Helper functions
get_cmdline_opt()
{
cat /proc/cmdline | awk -F$1= '{print $2}' | awk '{print $1}'
}
#Since fw_getenv doesn't work with blockdevs let's make a hack
uboot_getenv()
{
dd if=$SUNXI_ENV_DEV bs=1024 skip=544 count=128 2>dev/null |\strings|grep $1|cut -d"=" -f2
}
#Actual routines go below
sunxi_env_dev()
{
local dev
dev=`get_cmdline_opt root|cut -d"p" -f1`
SUNXI_ENV_DEV=$dev
echo "probing $dev for uboot env data"
}
sunxi_board_detect() {
local board
local model
sunxi_env_dev
[ -e "/tmp/sysinfo/" ] || mkdir -p "/tmp/sysinfo/"
board="`uboot_getenv wrt_board`"
model="`uboot_getenv wrt_model`"
if [ "$board" != "" ]; then
SUNXI_BOARD_NAME="$board"
fi
if [ "$model" != "" ]; then
SUNXI_BOARD_MODEL="$model"
fi
echo "$SUNXI_BOARD_NAME" > /tmp/sysinfo/board_name
echo "$SUNXI_BOARD_MODEL" > /tmp/sysinfo/model
echo "Detected $SUNXI_BOARD_NAME // $SUNXI_BOARD_MODEL"
}