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build: add helpers for generating QSDK sysupgrade compatible images

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Qualcomm SDK (QSDK) sysupgrade compatible images for IPQ40xx, IPQ806x
and IPQ807x use FIT format together with 'dumpimage' tool from U-Boot
for verifying and extracting them. Based on 'images' sections names,
corresponding mtd partitions are flashed. For example, in case of
NOR-only boards, below mapping is used (section name -> mtd name):

  hlos*   -> 0:HLOS
  rootfs* -> rootfs

And for boards with NAND (kernel inside UBI):

  ubi* -> rootfs

Above mappings come from unmodified QSDK sources and might be wrong for
boards running custom or modified QSDK-based firmware. Some of vendors
adjust them to meet their modified mtd layout or features like recovery
or dual-image support.

This adds simple script 'mkits-qsdk-ipq-image.sh' (based on 'mkits.sh')
for generating FIT images tree source files, compatible with the QSDK
sysupgrade format. Resulting images can be used for initial (factory ->
OpenWrt) installation and would work both in CLI and GUI.

The script is universal in a way it allows to include as many sections
as needed. To make use of it, two generic/basic build recipes for NOR
and NAND based boards are also included in 'image-commands.mk':

  Build/qsdk-ipq-factory-nand
  Build/qsdk-ipq-factory-nor

Example usage for board with UBI in NAND:

  IMAGE/nand-factory.bin := append-ubi | qsdk-ipq-factory-nand

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
This commit is contained in:
Piotr Dymacz 2019-01-29 18:12:51 +01:00
parent f20fea9dcd
commit bf4630e5ad
2 changed files with 73 additions and 0 deletions
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14
include/image-commands.mk
View File

@ -294,6 +294,20 @@ define Build/openmesh-image
"$(call param_get_default,rootfs,$(1),$@)" "rootfs" "$(call param_get_default,rootfs,$(1),$@)" "rootfs"
endef endef
define Build/qsdk-ipq-factory-nand
$(TOPDIR)/scripts/mkits-qsdk-ipq-image.sh \
$@.its ubi $@
mkimage -f $@.its $@.new
@mv $@.new $@
endef
define Build/qsdk-ipq-factory-nor
$(TOPDIR)/scripts/mkits-qsdk-ipq-image.sh \
$@.its hlos $(IMAGE_KERNEL) rootfs $(IMAGE_ROOTFS)
mkimage -f $@.its $@.new
@mv $@.new $@
endef
define Build/senao-header define Build/senao-header
$(STAGING_DIR_HOST)/bin/mksenaofw $(1) -e $@ -o $@.new $(STAGING_DIR_HOST)/bin/mksenaofw $(1) -e $@ -o $@.new
mv $@.new $@ mv $@.new $@

59
scripts/mkits-qsdk-ipq-image.sh Executable file
View File

@ -0,0 +1,59 @@
#!/usr/bin/env bash
#
# Licensed under the terms of the GNU GPL License version 2 or later.
# Author: Piotr Dymacz <pepe2k@gmail.com>, based on mkits.sh.
#
# Qualcomm SDK (QSDK) sysupgrade compatible images for IPQ40xx, IPQ806x
# and IPQ807x use FIT format together with 'dumpimage' tool from U-Boot
# for verifying and extracting them. Based on 'images' sections names,
# corresponding mtd partitions are flashed.
# This is a simple script for generating FIT images tree source files,
# compatible with the QSDK sysupgrade format. Resulting images can be
# used for initial (factory -> OpenWrt) installation and would work
# both in CLI and GUI. The script is also universal in a way it allows
# to include as many sections as needed.
#
usage() {
echo "Usage: `basename $0` output img0_name img0_file [[img1_name img1_file] ...]"
exit 1
}
# We need at least 3 arguments
[ "$#" -lt 3 ] && usage
# Target output file
OUTPUT="$1"; shift
# Create a default, fully populated DTS file
echo "\
/dts-v1/;
/ {
description = \"OpenWrt factory image\";
#address-cells = <1>;
images {" > ${OUTPUT}
while [ -n "$1" -a -n "$2" ]; do
[ -f "$2" ] || usage
name="$1"; shift
file="$1"; shift
echo \
" ${name} {
description = \"${name}\";
data = /incbin/(\"${file}\");
type = \"Firmware\";
arch = \"ARM\";
compression = \"none\";
hash@1 {
algo = \"crc32\";
};
};" >> ${OUTPUT}
done
echo \
" };
};" >> ${OUTPUT}