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authorFelix Fietkau <nbd@openwrt.org>2012-10-17 22:03:46 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-10-17 22:03:46 +0000
commit96fa602499456e804b5ed721adecb8b7ac0a06ba (patch)
treea8ab3a477a2efa116283faaf032f8cfaa7894b04
parent879b7a7a9b1c99920a8a5c1f5329e060b564aca6 (diff)
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ixp4xx: add sysupgrade support
Signed-off-by: Tim Harvey <tharvey@gateworks.com> target/linux/ixp4xx/base-files/lib/ixp4xx.sh | 25 ++ target/linux/ixp4xx/base-files/lib/upgrade/platform.sh | 156 +++++++++++++++++ target/linux/ixp4xx/image/Makefile | 11 + 3 files changed, 192 insertions(+) SVN-Revision: 33828
-rw-r--r--target/linux/ixp4xx/base-files/lib/ixp4xx.sh25
-rw-r--r--target/linux/ixp4xx/base-files/lib/upgrade/platform.sh156
-rw-r--r--target/linux/ixp4xx/image/Makefile11
3 files changed, 192 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/base-files/lib/ixp4xx.sh b/target/linux/ixp4xx/base-files/lib/ixp4xx.sh
new file mode 100644
index 0000000..f7a6b76
--- /dev/null
+++ b/target/linux/ixp4xx/base-files/lib/ixp4xx.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# Copyright (C) 2012 OpenWrt.org
+#
+
+ixp4xx_board_name() {
+ local machine
+ local name
+
+ machine=$(awk 'BEGIN{FS="[ \t]+:[ \t]"} /Hardware/ {print $2}' /proc/cpuinfo)
+
+ case "$machine" in
+ "Gateworks Cambria"*)
+ name="cambria"
+ ;;
+ "Gateworks Avila"*)
+ name="avila"
+ ;;
+ *)
+ name="generic";
+ ;;
+ esac
+
+ echo $name
+}
diff --git a/target/linux/ixp4xx/base-files/lib/upgrade/platform.sh b/target/linux/ixp4xx/base-files/lib/upgrade/platform.sh
new file mode 100644
index 0000000..63be293
--- /dev/null
+++ b/target/linux/ixp4xx/base-files/lib/upgrade/platform.sh
@@ -0,0 +1,156 @@
+. /lib/ixp4xx.sh
+
+RAMFS_COPY_DATA="/lib/ixp4xx.sh"
+
+# testing
+RAMFS_COPY_BIN="/usr/bin/less /usr/bin/hexdump"
+
+CI_BLKSZ=65536
+CI_LDADR=0x00800000
+
+platform_find_partitions() {
+ local first dev size erasesize name
+ while read dev size erasesize name; do
+ name=${name#'"'}; name=${name%'"'}
+ case "$name" in
+ vmlinux.bin.l7|kernel|linux|rootfs)
+ if [ -z "$first" ]; then
+ first="$name"
+ else
+ echo "$erasesize:$first:$name"
+ break
+ fi
+ ;;
+ esac
+ done < /proc/mtd
+}
+
+platform_find_kernelpart() {
+ local part
+ for part in "${1%:*}" "${1#*:}"; do
+ case "$part" in
+ vmlinux.bin.l7|kernel|linux)
+ echo "$part"
+ break
+ ;;
+ esac
+ done
+}
+
+platform_find_part_size() {
+ local first dev size erasesize name
+ while read dev size erasesize name; do
+ name=${name#'"'}; name=${name%'"'}
+ [ "$name" = "$1" ] && {
+ echo "$size"
+ break
+ }
+ done < /proc/mtd
+}
+
+platform_do_upgrade_combined() {
+ local partitions=$(platform_find_partitions)
+ local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
+ local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
+ local kern_part_size=0x$(platform_find_part_size "$kernelpart")
+ local kern_part_blocks=$(($kern_part_size / $CI_BLKSZ))
+ local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
+ local kern_blocks=$(($kern_length / $CI_BLKSZ))
+ local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))
+
+ v "platform_do_upgrade_combined"
+ v "partitions=$partitions"
+ v "kernelpart=$kernelpart"
+ v "kernel_part_size=$kern_part_size"
+ v "kernel_part_blocks=$kern_part_blocks"
+ v "kern_length=$kern_length"
+ v "erase_size=$erase_size"
+ v "kern_blocks=$kern_blocks"
+ v "root_blocks=$root_blocks"
+ v "kern_pad_blocks=$(($kern_part_blocks-$kern_blocks))"
+
+ if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
+ [ ${kern_blocks:-0} -gt 0 ] && \
+ [ ${root_blocks:-0} -gt 0 ] && \
+ [ ${erase_size:-0} -gt 0 ];
+ then
+ local append=""
+ [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
+
+ # write the kernel
+ dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null | \
+ mtd -F$kernelpart:$kern_part_size:$CI_LDADR write - $kernelpart
+ # write the rootfs
+ dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null | \
+ mtd $append write - rootfs
+ else
+ echo "invalid image"
+ fi
+}
+
+platform_check_image() {
+ local board=$(ixp4xx_board_name)
+ local magic="$(get_magic_word "$1")"
+ local partitions=$(platform_find_partitions)
+ local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
+ local kern_part_size=0x$(platform_find_part_size "$kernelpart")
+ local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
+
+ [ "$ARGC" -gt 1 ] && return 1
+
+ case "$board" in
+ avila | cambria )
+ [ "$magic" != "4349" ] && {
+ echo "Invalid image. Use *-sysupgrade.bin files on this board"
+ return 1
+ }
+
+ kern_length_b=$(printf '%d' $kern_length)
+ kern_part_size_b=$(printf '%d' $kern_part_size)
+ if [ $kern_length_b -gt $kern_part_size_b ]; then
+ echo "Invalid image. Kernel size ($kern_length) exceeds kernel partition ($kern_part_size)"
+ return 1
+ fi
+
+ local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
+ local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
+ if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
+ return 0
+ else
+ echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
+ return 1
+ fi
+
+ return 0
+ ;;
+ esac
+
+ echo "Sysupgrade is not yet supported on $board."
+ return 1
+}
+
+platform_do_upgrade() {
+ local board=$(ixp4xx_board_name)
+
+ v "board=$board"
+ case "$board" in
+ avila | cambria )
+ platform_do_upgrade_combined "$ARGV"
+ ;;
+ *)
+ default_do_upgrade "$ARGV"
+ ;;
+ esac
+}
+
+disable_watchdog() {
+ v "killing watchdog"
+ killall watchdog
+ ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
+ echo 'Could not disable watchdog'
+ return 1
+ }
+}
+
+# CONFIG_WATCHDOG_NOWAYOUT=y - can't kill watchdog unless kernel cmdline has a mpcore_wdt.nowayout=0
+#append sysupgrade_pre_upgrade disable_watchdog
diff --git a/target/linux/ixp4xx/image/Makefile b/target/linux/ixp4xx/image/Makefile
index 7a69998..30e5b12 100644
--- a/target/linux/ixp4xx/image/Makefile
+++ b/target/linux/ixp4xx/image/Makefile
@@ -40,8 +40,19 @@ define Image/BuildKernel
BIN_DIR=$(BIN_DIR) IMG_PREFIX="$(IMG_PREFIX)" $(TOPDIR)/scripts/arm-magic.sh
endef
+# Build sysupgrade image
+define BuildFirmware/Generic
+ dd if=$(KDIR)/zImage of=$(KDIR)/zImage.pad bs=64k conv=sync; \
+ dd if=$(KDIR)/root.$(1) of=$(KDIR)/root.$(1).pad bs=128k conv=sync; \
+ sh $(TOPDIR)/scripts/combined-image.sh \
+ $(KDIR)/zImage.pad \
+ $(KDIR)/root.$(1).pad \
+ $(BIN_DIR)/$(IMG_PREFIX)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))-sysupgrade.bin
+endef
+
define Image/Build
$(call Image/Build/$(1),$(1))
+ $(call BuildFirmware/Generic,$(1))
endef
define Image/Build/jffs2-64k