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