From bb625077dad62fd11dd3a20c9b230c7efb8eaba4 Mon Sep 17 00:00:00 2001
From: Jesse Gilles <jgilles@multitech.com>
Date: Mon, 30 Mar 2015 14:46:43 -0500
Subject: initscripts: added enhanced flash on reboot using upgrade.bin file

---
 recipes-core/initscripts/initscripts-1.0/umountfs | 176 +++++++++++++++++-----
 1 file changed, 136 insertions(+), 40 deletions(-)

(limited to 'recipes-core/initscripts/initscripts-1.0')

diff --git a/recipes-core/initscripts/initscripts-1.0/umountfs b/recipes-core/initscripts/initscripts-1.0/umountfs
index f555aba..3403cca 100644
--- a/recipes-core/initscripts/initscripts-1.0/umountfs
+++ b/recipes-core/initscripts/initscripts-1.0/umountfs
@@ -58,14 +58,25 @@ flash_upgrade() {
   local flash_root=${1}
 
   local flash_dir=${flash_root}/flash-upgrade
-  local uImage_file=${flash_dir}/uImage.bin
-  local rootfs_file=${flash_dir}/rootfs.jffs2
+  local upgrade_file=${flash_dir}/upgrade.bin
+  local kernel_solo_file=${flash_dir}/uImage.bin
+  local rootfs_solo_file=${flash_dir}/rootfs.jffs2
 
   local reboot_cmd=/usr/sbin/upgrade-reboot
   local nandwrite_cmd=/usr/bin/nandwrite.static
   local mode=
-  local uImage_mtd=
+  local bootstrap_mtd=
+  local config_mtd=
+  local oem_mtd=
   local rootfs_mtd=
+  local kernel_mtd=
+  local uboot_mtd=
+  local bootstrap_file=bstrap.bin
+  local config_file=config.jffs2
+  local oem_file=oem.jffs2
+  local rootfs_file=rootfs.jffs2
+  local kernel_file=uImage.bin
+  local uboot_file=uboot.bin
 
   if [ ! -d "${flash_dir}" ]; then
     echo "${flash_dir} not present, skipping"
@@ -93,60 +104,145 @@ flash_upgrade() {
     return
   fi
 
-  uImage_mtd="/dev/$(cat /proc/mtd | grep uImage | cut -d : -f 1)"
-  if [ ! -c "${uImage_mtd}" ]; then
-    echo "No valid MTD partition is labeled uImage"
+  bootstrap_mtd="/dev/$(cat /proc/mtd | grep '\"at91bootstrap\"' | cut -d : -f 1)"
+  if [ ! -c "${bootstrap_mtd}" ]; then
+    echo "No valid MTD partition is labeled at91bootstrap"
     return
   fi
 
-  rootfs_mtd="/dev/$(cat /proc/mtd | grep Rootfs | cut -d : -f 1)"
-  if [ ! -c "${rootfs_mtd}" ]; then
-    echo "No valid MTD partition is labeled Rootfs"
+  config_mtd="/dev/$(cat /proc/mtd | grep '\"Config\"' | cut -d : -f 1)"
+  if [ ! -c "${config_mtd}" ]; then
+    echo "No valid MTD partition is labeled Config"
     return
   fi
 
-  echo ""
-  echo "Starting flash upgrade from ${flash_dir}..."
-  
-  blink_leds
-
-  if [ -f ${uImage_file} ]; then
-    echo "Flashing ${uImage_mtd} (uImage) with ${uImage_file}..."
+  oem_mtd="/dev/$(cat /proc/mtd | grep '\"OEM Config\"' | cut -d : -f 1)"
+  if [ ! -c "${oem_mtd}" ]; then
+    echo "No valid MTD partition is labeled OEM Config"
+    return
+  fi
 
-    flash_erase ${uImage_mtd} 0 0
-    nandwrite -p ${uImage_mtd} ${uImage_file}
-  else
-    echo "uImage file ${uImage_file} not found"
+  kernel_mtd="/dev/$(cat /proc/mtd | grep '\"uImage\"' | cut -d : -f 1)"
+  if [ ! -c "${kernel_mtd}" ]; then
+    echo "No valid MTD partition is labeled uImage"
+    return
   fi
 
-  if [ -f ${rootfs_file} ]; then
-    echo "Flashing ${rootfs_mtd} (rootfs) with ${rootfs_file}..."
+  uboot_mtd="/dev/$(cat /proc/mtd | grep '\"u-Boot\"' | cut -d : -f 1)"
+  if [ ! -c "${uboot_mtd}" ]; then
+    echo "No valid MTD partition is labeled u-Boot"
+    return
+  fi
 
-    cp ${reboot_cmd} ${flash_dir}/upgrade-reboot
-    cp ${nandwrite_cmd} ${flash_dir}/nandwrite.static
+  rootfs_mtd="/dev/$(cat /proc/mtd | grep '\"Rootfs\"' | cut -d : -f 1)"
+  if [ ! -c "${rootfs_mtd}" ]; then
+    echo "No valid MTD partition is labeled Rootfs"
+    return
+  fi
 
-    sync
-    sleep 2
-    mount -o remount,ro ${flash_root}
+  cd /var/volatile
+
+  # rootfs should always be flashed last, so always keep it last here
+  local files=(${bootstrap_file} ${uboot_file} ${config_file} ${oem_file} ${kernel_file} ${rootfs_file})
+  local devs=(${bootstrap_mtd} ${uboot_mtd} ${config_mtd} ${oem_mtd} ${kernel_mtd} ${rootfs_mtd})
+
+  if [ -f "${upgrade_file}" ]; then
+    echo "Found ${upgrade_file}"
+    # make sure firmware is for this device
+    shopt -s nocasematch
+    local hw_version=$(cat /sys/devices/platform/mts-io/hw-version)
+    local firmware_model=$(tar -xO -f ${upgrade_file} model)
+    if [[ ! "${hw_version}" =~ ^${firmware_model}- ]]; then
+      echo "Wrong firmware for this hardware"
+      echo "hw version: ${hw_version}"
+      echo "firmware model: ${firmware_model}"
+      return
+    fi
+
+    echo "Checking MD5s"
+    # check md5sum
+    for (( i = 0; i < ${#files[@]}; i++ )); do
+      local file=${files[i]}
+      if tar -t -f ${upgrade_file} | grep -F -q "${file}"; then
+        if ! tar -x -f ${upgrade_file} ${file}.md5; then
+          echo "MD5 not found for ${file}"
+          return
+        fi
+        if ! tar -xO -f ${upgrade_file} ${file} | md5sum -c ${file}.md5; then
+          echo "MD5 check failed for ${file}"
+          return
+        fi
+      fi
+    done
+  fi
 
-    # flash_root is not going to be umounted
-    sed -i -e "\\|${flash_root}| d" /etc/mtab
+  echo ""
+  if [ -f "${upgrade_file}" ]; then
+    echo "Starting flash upgrade from ${upgrade_file}..."
+  elif [ -f "${kernel_solo_file}" ] || [ -f "${rootfs_solo_file}" ]; then
+    echo "Starting flash upgrade from ${flash_dir}..."
+  else
+    return
+  fi
 
-    umount_all
+  blink_leds
 
-    flash_erase -j ${rootfs_mtd} 0 0
-    ${flash_dir}/nandwrite.static -p ${rootfs_mtd} ${rootfs_file}
+  cp ${reboot_cmd} ${flash_dir}/upgrade-reboot
+  cp ${nandwrite_cmd} ${flash_dir}/nandwrite.static
+  sync
+  sleep 2
+  mount -o remount,ro ${flash_root}
+
+  # flash_root is not going to be umounted
+  sed -i -e "\\|${flash_root}| d" /etc/mtab
+
+  umount_all
+
+  if [ -f "${upgrade_file}" ]; then
+    for (( i = 0; i < ${#files[@]}; i++ )); do
+      local file=${files[i]}
+      local dev=${devs[i]}
+      if tar -t -f ${upgrade_file} | grep -F -q "${file}"; then
+        if [ "${file}" == "${bootstrap_file}" ] || [ "${file}" == "${uboot_file}" ]; then
+          local file_size=$(tar -xO -f ${upgrade_file} ${file} | wc -c)
+          if dd if=${dev} bs=${file_size} count=1 | md5sum -c ${file}.md5; then
+            echo "Found ${file} in upgrade but it is the same as current. Continuing..."
+            continue
+          fi
+        fi
+        echo "Flashing ${dev} with ${file}..."
+
+        flash_erase -j ${dev} 0 0
+        tar -xO -f ${upgrade_file} ${file} | ${flash_dir}/nandwrite.static -p ${dev}
+      fi
+    done
+  else
+    if [ -f ${kernel_solo_file} ]; then
+      echo "Flashing ${kernel_mtd} (uImage) with ${kernel_solo_file}..."
+
+      flash_erase ${kernel_mtd} 0 0
+      ${flash_dir}/nandwrite.static -p ${kernel_mtd} ${kernel_solo_file}
+    else
+      echo "uImage file ${kernel_solo_file} not found"
+    fi
+
+    if [ -f ${rootfs_solo_file} ]; then
+      echo "Flashing ${rootfs_mtd} (rootfs) with ${rootfs_solo_file}..."
+
+      flash_erase -j ${rootfs_mtd} 0 0
+      ${flash_dir}/nandwrite.static -p ${rootfs_mtd} ${rootfs_solo_file}
+    else
+      echo "rootfs file ${rootfs_solo_file} not found"
+    fi
+  fi
 
-    echo "Rebooting..."
+  echo "Rebooting..."
 
-    ${flash_dir}/upgrade-reboot
+  ${flash_dir}/upgrade-reboot
 
-    # Should not get here normally
-    echo "upgrade-reboot failed"
-    exit 1
-  else
-    echo "rootfs file ${rootfs_file} not found"
-  fi
+  # Should not get here normally
+  echo "upgrade-reboot failed"
+  exit 1
 }
 
 # do flash on reboot if do_flash_upgrade exists
-- 
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