diff --git a/alarm/uboot-trimslice/0001-arch-linux-arm-modifications.patch b/alarm/uboot-trimslice/0001-arch-linux-arm-modifications.patch
new file mode 100644
index 000000000..039550b7b
--- /dev/null
+++ b/alarm/uboot-trimslice/0001-arch-linux-arm-modifications.patch
@@ -0,0 +1,21 @@
+From ceca3809b8504b83ad1ab2c8b5e4331a31f5fa64 Mon Sep 17 00:00:00 2001
+From: Kevin Mihelich <kevin@archlinuxarm.org>
+Date: Fri, 2 Dec 2016 21:00:55 -0700
+Subject: [PATCH] arch linux arm modifications
+
+---
+ configs/trimslice_defconfig | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/configs/trimslice_defconfig b/configs/trimslice_defconfig
+index cc209a9..1e44527 100644
+--- a/configs/trimslice_defconfig
++++ b/configs/trimslice_defconfig
+@@ -44,3 +44,4 @@ CONFIG_TEGRA20_SFLASH=y
+ CONFIG_USB=y
+ CONFIG_DM_USB=y
+ CONFIG_USB_STORAGE=y
++CONFIG_IDENT_STRING=" Arch Linux ARM"
+-- 
+2.10.2
+
diff --git a/alarm/uboot-trimslice/PKGBUILD b/alarm/uboot-trimslice/PKGBUILD
index a388702e8..a28ad631e 100644
--- a/alarm/uboot-trimslice/PKGBUILD
+++ b/alarm/uboot-trimslice/PKGBUILD
@@ -4,19 +4,31 @@
 buildarch=4
 
 pkgname=uboot-trimslice
-pkgver=2014.10
+pkgver=2016.11
 pkgrel=1
 pkgdesc="U-Boot for TrimSlice"
 arch=('armv7h')
-url="http://git.denx.de/u-boot.git/"
-makedepends=('cbootimage' 'git' 'dtc' 'uboot-tools')
+url='http://www.denx.de/wiki/U-Boot/WebHome'
 license=('GPL')
+install=$pkgname.install
+backup=('boot/boot.txt' 'boot/boot.scr')
+depends=('mtd-utils')
+makedepends=('bc' 'dtc' 'git' 'cbootimage')
 source=("ftp://ftp.denx.de/pub/u-boot/u-boot-${pkgver}.tar.bz2"
-        "git+https://github.com/NVIDIA/cbootimage-configs.git"
-        "boot.txt")
-md5sums=('3ddcaee2f05b7c464778112ec83664b5'
+        'git+https://github.com/NVIDIA/cbootimage-configs.git'
+        '0001-arch-linux-arm-modifications.patch'
+        'boot.txt'
+        'mkscr')
+md5sums=('ca1f6e019d08aff8d0ca1beb2e66737d'
          'SKIP'
-         'e0fb7b530845c0a6bcf9a7147eed1123')
+         '6f1b2989f6c246bc48e7120657d1a2dd'
+         '6a8ce2258f0c23d6e8fe7418e3fd1c24'
+         '021623a04afd29ac3f368977140cfbfd')
+
+prepare() {
+  cd u-boot-${pkgver}
+  git apply ../0001-arch-linux-arm-modifications.patch
+}
 
 build() {
   cd u-boot-${pkgver}
@@ -30,12 +42,14 @@ build() {
 
 package() {
   mkdir -p "${pkgdir}"/boot
-  mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n "TrimSlice" -d boot.txt "${pkgdir}"/boot/boot.scr
-  cp boot.txt "${pkgdir}"/boot
+
+  install -Dm644 boot.txt "${pkgdir}"/boot/boot.txt
+  u-boot-${pkgver}/tools/mkimage -A arm -O linux -T script -C none -n "U-Boot boot script" -d boot.txt "${pkgdir}"/boot/boot.scr
+  install -Dm755 mkscr "${pkgdir}"/boot/mkscr
 
   cd cbootimage-configs/tegra20/compulab/trimslice
   ln -s ${srcdir}/u-boot-${pkgver}/u-boot-dtb-tegra.bin u-boot.bin
   ./build.sh
 
-  cp trimslice-mmc.img trimslice-spi.img "${pkgdir}"/boot
+  install -m644 trimslice-mmc.img trimslice-spi.img "${pkgdir}"/boot
 }
diff --git a/alarm/uboot-trimslice/boot.txt b/alarm/uboot-trimslice/boot.txt
index af1464568..3e79d8a87 100644
--- a/alarm/uboot-trimslice/boot.txt
+++ b/alarm/uboot-trimslice/boot.txt
@@ -1,21 +1,16 @@
-if test "${devtype}" = "mmc"; then
-  if test ${devnum} -eq 1; then
-    setenv root /dev/mmcblk0p1;
-  else
-    if mmc dev 1; then
-      setenv root /dev/mmcblk1p1;
-      mmc dev 0;
+# After modifying, run ./mkscr
+
+if test -n ${distro_bootpart}; then setenv bootpart ${distro_bootpart}; else setenv bootpart 1; fi
+part uuid ${devtype} ${devnum}:${bootpart} uuid
+
+setenv bootargs console=ttyS0,115200n8 console=tty1 root=PARTUUID=${uuid} rw rootwait
+
+if load ${devtype} ${devnum}:${bootpart} ${kernel_addr_r} /boot/zImage; then
+  if load ${devtype} ${devnum}:${bootpart} ${fdt_addr_r} /boot/dtbs/${soc}-${board_name}.dtb; then
+    if load ${devtype} ${devnum}:${bootpart} ${ramdisk_addr_r} /boot/initramfs-linux.img; then
+      bootz ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r};
     else
-      setenv root /dev/mmcblk0p1;
+      bootz ${kernel_addr_r} - ${fdt_addr_r};
     fi;
   fi;
-else
-  setenv root /dev/sda1;
 fi
-
-setenv bootargs "root=${root} rw rootwait console=tty1 console=ttyS0,115200n8 mem=384M@0M mem=512M@512M nvmem=128M@384M vmalloc=248M video=tegrafb"
-
-load ${devtype} ${devnum}:${bootpart} ${loadaddr} /boot/zImage
-load ${devtype} ${devnum}:${bootpart} ${fdt_addr_r} /boot/dtbs/tegra20-trimslice.dtb
-
-bootz ${loadaddr} - ${fdt_addr_r}
diff --git a/alarm/uboot-trimslice/mkscr b/alarm/uboot-trimslice/mkscr
new file mode 100755
index 000000000..272b6a7a5
--- /dev/null
+++ b/alarm/uboot-trimslice/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
diff --git a/alarm/uboot-trimslice/uboot-trimslice.install b/alarm/uboot-trimslice/uboot-trimslice.install
new file mode 100644
index 000000000..a89d8e867
--- /dev/null
+++ b/alarm/uboot-trimslice/uboot-trimslice.install
@@ -0,0 +1,28 @@
+flash_uboot() {
+  echo "A new U-Boot version needs to be flashed onto /dev/mtd0."
+  echo "Do this now? [y|N]"
+  read -r shouldwe
+  if [[ $shouldwe =~ ^([yY][eE][sS]|[yY])$ ]]; then
+    if [[ -e /dev/mtd0 ]]; then
+      echo "Erasing flash.."
+      flash_erase -q /dev/mtd0 0 256
+      echo "Writing flash.."
+      nandwrite -q /dev/mtd0 /boot/trimslice-spi.img
+    else
+      echo "SPI flash not found at /dev/mtd0, not flashing"
+    fi
+  else
+    echo "You can do this later by reinstalling this package"
+  fi
+}
+
+## arg 1:  the new package version
+post_install() {
+  flash_uboot
+}
+
+## arg 1:  the new package version
+## arg 2:  the old package version
+post_upgrade() {
+  flash_uboot
+}