Add some stuff

systems/lctr-a72xx/fs/etc/flash-kernel/bootscript/bootscr.exynos5

@@ -0,0 +1,10 @@
+echo Starting Ubuntu...
+setenv bootargs console=ttySAC0,115200 nosplash mem=2048M@0x80000000 mem=6144M@0x100000000
+sata init
+test -n "$kernel_addr_r" || setenv kernel_addr_r 0x80007000
+test -n "$ramdisk_addr_r" || setenv ramdisk_addr_r 0x81000000
+test -n "$fdt_addr_r" || setenv fdt_addr_r 0x82000000
+ext2load sata 0 $kernel_addr_r uImage
+ext2load sata 0 $ramdisk_addr_r uInitrd
+imi $ramdisk_addr_r || setenv ramdisk_addr_r -
+bootm $kernel_addr_r $ramdisk_addr_r

systems/lctr-a72xx/fs/etc/flash-kernel/bootscript/bootscr.rpi

@@ -0,0 +1,65 @@
+# Ubuntu Classic RPi U-Boot script (for armhf and arm64)
+
+# Expects to be called with the following environment variables set:
+#
+#  devtype              e.g. mmc/scsi etc
+#  devnum               The device number of the given type
+#  distro_bootpart      The partition containing the boot files
+#                       (introduced in u-boot mainline 2016.01)
+#  prefix               Prefix within the boot partiion to the boot files
+#  kernel_addr_r        Address to load the kernel to
+#  fdt_addr_r           Address to load the FDT to
+#  ramdisk_addr_r       Address to load the initrd to.
+
+# Take fdt addr from the prior stage boot loader, if available
+if test -n "$fdt_addr"; then
+  fdt addr ${fdt_addr}
+  fdt move ${fdt_addr} ${fdt_addr_r}  # implicitly sets fdt active
+else
+  fdt addr ${fdt_addr_r}
+fi
+fdt get value bootargs /chosen bootargs
+
+setenv bootargs "@@LINUX_KERNEL_CMDLINE_DEFAULTS@@ ${bootargs} @@LINUX_KERNEL_CMDLINE@@"
+@@UBOOT_ENV_EXTRA@@
+
+@@UBOOT_PREBOOT_EXTRA@@
+
+if test -z "${fk_image_locations}"; then
+  setenv fk_image_locations ${prefix}
+fi
+
+for pathprefix in ${fk_image_locations}; do
+  # Store the gzip header (1f 8b) in the kernel area for comparison to the
+  # header of the image we load. Load "vmlinuz" into the portion of memory for
+  # the RAM disk (because we want to uncompress to the kernel area if it's
+  # compressed) and compare the word at the start
+  mw.w ${kernel_addr_r} 0x8b1f  # little endian
+  if load ${devtype} ${devnum}:${distro_bootpart} ${ramdisk_addr_r} ${pathprefix}vmlinuz; then
+    kernel_size=${filesize}
+    if cmp.w ${kernel_addr_r} ${ramdisk_addr_r} 1; then
+      # gzip compressed image (NOTE: *not* a self-extracting gzip compressed
+      # kernel, just a kernel image that has been gzip'd)
+      echo "Decompressing kernel..."
+      unzip ${ramdisk_addr_r} ${kernel_addr_r}
+      setenv kernel_size ${filesize}
+      setenv try_boot "booti"
+    else
+      # Possibly self-extracting or uncompressed; copy data into the kernel area
+      # and attempt launch with bootz then booti
+      echo "Copying kernel..."
+      cp.b ${ramdisk_addr_r} ${kernel_addr_r} ${kernel_size}
+      setenv try_boot "bootz booti"
+    fi
+
+    if load ${devtype} ${devnum}:${distro_bootpart} ${ramdisk_addr_r} ${pathprefix}initrd.img; then
+      setenv ramdisk_param "${ramdisk_addr_r}:${filesize}"
+    else
+      setenv ramdisk_param "-"
+    fi
+    for cmd in ${try_boot}; do
+        echo "Booting Ubuntu (with ${cmd}) from ${devtype} ${devnum}:${partition}..."
+        ${cmd} ${kernel_addr_r} ${ramdisk_param} ${fdt_addr_r}
+    done
+  fi
+done

systems/lctr-a72xx/fs/etc/flash-kernel/bootscript/bootscr.uboot-generic

@@ -0,0 +1,56 @@
+# Bootscript using the new unified bootcmd handling
+#
+# Expects to be called with the following environment variables set:
+#
+#  devtype              e.g. mmc/scsi etc
+#  devnum               The device number of the given type
+#  bootpart             The partition containing the boot files
+#  distro_bootpart      The partition containing the boot files
+#                       (introduced in u-boot mainline 2016.01)
+#  prefix               Prefix within the boot partiion to the boot files
+#  kernel_addr_r        Address to load the kernel to
+#  fdt_addr_r           Address to load the FDT to
+#  ramdisk_addr_r       Address to load the initrd to.
+#
+# The uboot must support the booti and generic filesystem load commands.
+
+if test -n "${console}"; then
+  setenv bootargs "${bootargs} console=${console}"
+fi
+
+setenv bootargs @@LINUX_KERNEL_CMDLINE_DEFAULTS@@ ${bootargs} @@LINUX_KERNEL_CMDLINE@@
+@@UBOOT_ENV_EXTRA@@
+
+if test -z "${fk_kvers}"; then
+   setenv fk_kvers '@@KERNEL_VERSION@@'
+fi
+
+# These two blocks should be the same apart from the use of
+# ${fk_kvers} in the first, the syntax supported by u-boot does not
+# lend itself to removing this duplication.
+
+if test -n "${fdtfile}"; then
+   setenv fdtpath dtbs/${fk_kvers}/${fdtfile}
+else
+   setenv fdtpath dtb-${fk_kvers}
+fi
+
+if test -z "${distro_bootpart}"; then
+  setenv partition ${bootpart}
+else
+  setenv partition ${distro_bootpart}
+fi
+
+@@UBOOT_PREBOOT_EXTRA@@
+
+load ${devtype} ${devnum}:${partition} ${kernel_addr_r} ${prefix}vmlinuz-${fk_kvers} \
+&& load ${devtype} ${devnum}:${partition} ${fdt_addr_r} ${prefix}${fdtpath} \
+&& load ${devtype} ${devnum}:${partition} ${ramdisk_addr_r} ${prefix}initrd.img-${fk_kvers} \
+&& echo "Booting Debian ${fk_kvers} from ${devtype} ${devnum}:${partition}..." \
+&& booti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r}
+
+load ${devtype} ${devnum}:${partition} ${kernel_addr_r} ${prefix}vmlinuz \
+&& load ${devtype} ${devnum}:${partition} ${fdt_addr_r} ${prefix}dtb \
+&& load ${devtype} ${devnum}:${partition} ${ramdisk_addr_r} ${prefix}initrd.img \
+&& echo "Booting Debian from ${devtype} ${devnum}:${partition}..." \
+&& booti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r}

systems/lctr-a72xx/fs/etc/flash-kernel/bootscript/bootscr.xgene

@@ -0,0 +1,5 @@
+setenv bootargs "console=ttyS0,${baudrate}n8r ro"
+@@UBOOT_ENV_EXTRA@@
+load scsi 0 ${kernel_addr_r} uImage
+load scsi 0 ${ramdisk_addr_r} uInitrd
+bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}

systems/lctr-a72xx/fs/etc/flash-kernel/bootscript/bootscr.xgene-mustang

@@ -0,0 +1,6 @@
+setenv bootargs @@LINUX_KERNEL_CMDLINE_DEFAULTS@@ ${bootargs} @@LINUX_KERNEL_CMDLINE@@
+@@UBOOT_ENV_EXTRA@@
+ext4load scsi 0 ${kernel_addr_r} uImage
+ext4load scsi 0 ${ramdisk_addr_r} uInitrd
+ext4load scsi 0 ${fdt_addr_r} dtb
+bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}