Update fastinit, add GPIO support

recipes-bsp/bootfiles/rpi-cmdline.bbappend

@@ -5,3 +5,4 @@ CMDLINE:append = " modules.load=dwc2,g_serial"
 CMDLINE:append = " earlycon=uart8250,mmio32,0x20215040"
 #CMDLINE:append = " earlycon=pl011,mmio32,0x20201000"
 
+CMDLINE:append = " init=/usr/sbin/fastinit.sh 1"

recipes-core/fastinit/fastinit.bb

@@ -3,6 +3,8 @@ LICENSE = "CLOSED"
 
 SRC_URI = "file://fastinit.sh" 
 
+DEPENDS = "libgpiod"
+
 S = "${WORKDIR}"
 
 do_install() {

recipes-core/fastinit/files/fastinit.sh

@@ -25,10 +25,12 @@ level_one() {
 	mount -t sysfs sysfs /sys
 	mount -o ro /dev/mmcblk0p1 /boot
 
+	log_to_kernel "setting gpio 23 to high"
+	/usr/bin/gpioset -c 0 23=1 &
+
 	log_to_kernel "getting teletypes on ttyS0"
 	/sbin/getty -L 115200 ttyS0 vt100
 }
-
 level_five() {
 	exec /sbin/init 5
 }
@@ -51,6 +53,7 @@ else
 			;;
 		1)
 			log_to_kernel "entering runlevel 1 (minimal)"
+			log_to_kernel "runlevel 1: tty, serial, gpio"
 			level_one
 			;;
 		5)

recipes-core/images/mar-image-minimal.bb

@@ -6,6 +6,8 @@ IMAGE_INSTALL = "packagegroup-core-boot \
     python3-pyserial \
     screen \
     usb-modeswitch \
+    libgpiod \
+    libgpiod-tools \
     fastinit \
     serial-usb \
     ${CORE_IMAGE_EXTRA_INSTALL}"