pkg: pine64: device-pine64-pinetab: make u-boot optional

This moves the u-boot configuration to the device meta-package so that
uboot-pinephone can be uninstalled for use with tow-boot.

PKGBUILDS/pine64/device-pine64-pinetab/PKGBUILD

@@ -1,21 +1,26 @@
 # Maintainer: Danct12 <[email protected]>
 pkgname=device-pine64-pinetab
 pkgver=0.2
-pkgrel=3
+pkgrel=4
 pkgdesc="PineTab device package"
 arch=(aarch64)
 url="https://github.com/dreemurrs-embedded/Pine64-Arch"
 license=('MIT')
+install="$pkgname.install"
+backup=("boot/boot.txt")
 depends=(linux-megi
-	uboot-pinephone
 	rtl8723bt-firmware
 	ov5640-firmware
+	uboot-tools # we need this for mkscr
 	alsa-ucm-pinetab)
+optdepends=('uboot-pinephone: requierd if not using tow-boot')
 source=(pinetab-suspend-hook.sh
 	phoc.ini
 	machine-info
 	pulseaudio-pinetweaks.conf
-	gsk-renderer-gl.sh)
+	gsk-renderer-gl.sh
+	boot.txt
+	mkscr)
 
 package() {
 	# Current workaround for suspend
@@ -29,10 +34,15 @@ package() {
 	install -Dm644 "$srcdir"/pulseaudio-pinetweaks.conf "$pkgdir"/etc/pulse/daemon.conf.d/pinetweaks.conf
 
 	install -Dm755 "$srcdir"/gsk-renderer-gl.sh -t "$pkgdir"/etc/profile.d/
+
+	# u-boot startup script
+	install -Dm644 -t "${pkgdir}"/boot boot.txt mkscr
 }
 
 md5sums=('b0912b95d7d810a0f161d9bd79fc162b'
          'ecd8742a921d805e6756abc522da1dba'
          '340993065eb26f928700733369be2d9b'
          '1504e684e5a2aec439e0674cdfc9d3c1'
-         'df623da01912f5ce89c178639fc22656')
+         'df623da01912f5ce89c178639fc22656'
+         '69400a6dfe94221172b2a00f18b1a8bd'
+         '021623a04afd29ac3f368977140cfbfd')

PKGBUILDS/pine64/device-pine64-pinetab/boot.txt

@@ -0,0 +1,50 @@
+gpio set 98 # Enable vibrator
+
+if test ${devnum} -eq 0; then
+	echo "Booting from SD"
+	setenv linux_mmcdev 0
+else
+	echo "Booting from eMMC"
+	setenv linux_mmcdev 2
+fi
+
+# If we have at least 2 partitions, then the 1st one is /boot, and / is #2
+if part size mmc ${devnum} 2 none; then
+	setenv rootpart 2
+else
+	setenv rootpart 1
+	setenv bootdir "/boot"
+fi
+
+setenv bootargs loglevel=4 console=${console} console=tty0 root=/dev/mmcblk${linux_mmcdev}p${rootpart} rw rootwait quiet bootsplash.bootfile=bootsplash-themes/danctnix/bootsplash
+
+echo "Loading kernel..."
+load mmc ${devnum}:1 ${ramdisk_addr_r} ${bootdir}/Image.gz
+
+echo "Uncompressing kernel..."
+unzip ${ramdisk_addr_r} ${kernel_addr_r}
+
+echo "Loading initramfs..."
+load mmc ${devnum}:1 ${ramdisk_addr_r} ${bootdir}/initramfs-linux.img
+setenv ramdisk_size ${filesize}
+
+echo "Loading dtb..."
+load mmc ${devnum}:1 ${fdt_addr_r} ${bootdir}/dtbs/${fdtfile}
+
+echo Resizing FDT
+fdt addr ${fdt_addr_r}
+fdt resize
+
+echo Adding FTD RAM clock
+fdt mknode / memory
+fdt set /memory ram_freq ${ram_freq}
+fdt list /memory
+
+echo Loading user script
+setenv user_scriptaddr 0x61dbc200
+load mmc ${devnum}:1 ${user_scriptaddr} ${bootdir}/user.scr
+if test $? -eq 0; then source ${user_scriptaddr}; else echo No user script found; fi
+
+echo "Booting..."
+gpio clear 98 # Disable vibrator
+booti ${kernel_addr_r} ${ramdisk_addr_r}:0x${ramdisk_size} ${fdt_addr_r}

PKGBUILDS/pine64/device-pine64-pinetab/device-pine64-pinetab.install

@@ -0,0 +1,8 @@
+post_upgrade() {
+    echo "Generating U-Boot script"
+    mkimage -A arm -O linux -T script -C none -n "U-Boot boot script" -d /boot/boot.txt /boot/boot.scr
+}
+
+post_install() {
+    post_upgrade
+}

PKGBUILDS/pine64/device-pine64-pinetab/mkscr

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if [[ ! -x /usr/bin/mkimage ]]; then
+  echo "mkimage not found. Please install uboot-tools:"
+  echo "  pacman -S uboot-tools"
+  exit 1
+fi
+
+mkimage -A arm -O linux -T script -C none -n "U-Boot boot script" -d boot.txt boot.scr