From 9b4fa48711271fd0005ce99553fa0dc25f9f731b Mon Sep 17 00:00:00 2001
From: Aurélien DESBRIÈRES <aurelien@hackers.camp>
Date: Tue, 10 Jun 2014 19:43:14 +0200
Subject: bbb-gadgets

---
 pcr/bbb-gadgets/g-ether-load.sh | 71 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100755 pcr/bbb-gadgets/g-ether-load.sh

(limited to 'pcr/bbb-gadgets/g-ether-load.sh')

diff --git a/pcr/bbb-gadgets/g-ether-load.sh b/pcr/bbb-gadgets/g-ether-load.sh
new file mode 100755
index 000000000..e4f39079d
--- /dev/null
+++ b/pcr/bbb-gadgets/g-ether-load.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+function get_devmem()
+{
+	/usr/bin/devmem2 $1 | grep ": " | cut -d ":" -f 2|cut -d "x" -f 2
+}
+
+function hex_to_mac_addr()
+{
+	addr=$1
+	n=0
+	mac_addr=$(echo ${addr} | while read -r -n2 c; do 
+		if [ ! -z "$c" ]; then
+			if [ $n -ne 0 ] ; then
+				echo -n ":${c}"
+			else
+				echo -n "${c}"
+			fi
+		fi
+		n=$(($n+1))
+	done)
+	echo ${mac_addr}
+}
+
+function reverse_bytes()
+{
+	addr=$1
+	New_addr=$(echo ${addr} | while read -r -n2 c; do 
+		if [ ! -z "$c" ]; then
+			New_addr=${c}${New_addr}
+		else echo
+			echo ${New_addr}
+		fi
+	done)
+	echo ${New_addr}
+}
+
+mac_address="/proc/device-tree/ocp/ethernet@4a100000/slave@4a100300/mac-address"
+if [ -f ${mac_address} ] ; then
+	DEV_ADDR=$(hexdump -v -e '1/1 "%02X" ":"' ${mac_address} | sed 's/.$//')
+else
+	DEVMEM_ADDR_LO=$(get_devmem 0x44e10638|bc)
+	DEVMEM_ADDR_LO=$(reverse_bytes ${DEVMEM_ADDR_LO})
+
+	DEVMEM_ADDR_HI=$(get_devmem 0x44e1063C)
+	DEVMEM_ADDR_HI=$(reverse_bytes ${DEVMEM_ADDR_HI})
+
+	DEV_ADDR=$(hex_to_mac_addr "${DEVMEM_ADDR_HI}${DEVMEM_ADDR_LO}")
+fi
+
+SERIAL_NUMBER=$(hexdump -e '8/1 "%c"' /sys/bus/i2c/devices/0-0050/eeprom -s 14 -n 2)-$(hexdump -e '8/1 "%c"' /sys/bus/i2c/devices/0-0050/eeprom -s 16 -n 12)
+ISBLACK=$(hexdump -e '8/1 "%c"' /sys/bus/i2c/devices/0-0050/eeprom -s 8 -n 4)
+
+BLACK=""
+
+if [ "${ISBLACK}" = "BBBK" ] ; then
+	BLACK="Black"
+fi
+
+if [ "${ISBLACK}" = "BNLT" ] ; then
+	BLACK="Black"
+fi
+
+modprobe g_multi file=/dev/mmcblk0p1 cdrom=0 stall=0 removable=1 nofua=1 iSerialNumber=${SERIAL_NUMBER} iManufacturer=Circuitco  iProduct=BeagleBone${BLACK} host_addr=${DEV_ADDR}
+
+sleep 1
+
+/usr/bin/ifconfig usb0 192.168.7.2 netmask 255.255.255.252
+/usr/bin/route add default gw 192.168.7.1
+
+/usr/bin/dhcpd -4 -q -cf /etc/dhcpd-usb0.conf usb0
-- 
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