panther: add support for setting gpio pins to fixed values

iopsys-brcm63xx-arm/base-files/lib/db/boards/FT-P3410B

@@ -19,6 +19,7 @@ config board 'board'
 	option ethernetPortNames 'LAN1 LAN2 LAN3 LAN4 WAN'
 	option ethernetPortOrder 'eth0 eth1 eth2 eth3 eth4'
 	option ethernetLanPorts 'eth0 eth1 eth2 eth3'
+	option gpio_one '67 40 22'
 
 ###############################################################################
 #               Button config, start

iopsys-brcm63xx-arm/base-files/lib/db/boards/XG6846B

@@ -21,6 +21,8 @@ config board 'board'
 	option ethernetPortNames 'LAN1 LAN2 LAN3 LAN4 LAN5 WAN'
 	option ethernetPortOrder 'eth0 eth1 eth2 eth3 eth4 eth5'
 	option ethernetLanPorts 'eth0 eth1 eth2 eth3 eth4'
+	option gpio_zero '0 1 3 67'
+	option gpio_one '2 40'
 
 ###############################################################################
 #               Button config, start

iopsys-brcm63xx-arm/panther/base-files/etc/init.d/hw_setup

+#!/bin/sh /etc/rc.common
+
+START=19
+USE_PROCD=1
+
+boot() {
+        # set static gpios
+        # one
+        for gpio in $(db -q get hw.board.gpio_one); do
+                brcm_fw_tool set -x $gpio -p 1 >/dev/null
+        done
+        # zero
+        for gpio in $(db -q get hw.board.gpio_zero); do
+                brcm_fw_tool set -x $gpio -p 0 >/dev/null
+        done
+}
+