libre: uboot4extlinux-imx: Update to 2020.04, cleanup PKGBUILD and extlinux.conf

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/libre/uboot4extlinux-imx/tbs2910.install b/libre/uboot4extlinux-imx/tbs2910.install
new file mode 100644
index 000000000..f729bf0b7
--- /dev/null
+++ b/libre/uboot4extlinux-imx/tbs2910.install
@@ -0,0 +1,32 @@
+flash_instructions() {
+  echo "# echo 0 > /sys/block/mmcblk2boot0/force_ro"
+  echo "# dd if=/boot/u-boot/images/u-boot.imx of=/dev/mmcblk2boot0 bs=1k seek=1"
+}
+
+extlinux_warning() {
+  echo "==> WARNING: Remember to set up your kernels in /boot/extlinux/extlinux.conf"
+}
+
+flash_uboot() {
+  # For now we assume that users are flashing u-boot on the eMMC
+  # u-boot.img can also be loaded through USB for the frist boot with imx_usb_loader
+  echo "A new U-Boot version needs to be flashed."
+  echo "Do you want to flash it on the eMMC now? [y|N]"
+  read -r shouldwe
+  if [[ $shouldwe =~ ^([yY][eE][sS]|[yY])$ ]]; then
+    echo 0 > /sys/block/mmcblk2boot0/force_ro
+    dd if=/boot/u-boot/images/u-boot.imx of=/dev/mmcblk2boot0 bs=1k seek=1
+  else
+    echo "You can do this later by running:"
+    flash_instructions
+  fi
+  extlinux_warning
+}
+
+post_install() {
+  flash_uboot
+}
+
+post_upgrade() {
+  flash_uboot
+}