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Merge pull request #193 from grische/proper_7360v2_migration
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xrx200: ensure the correct version for fritz7360
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goligo authored Oct 5, 2022
2 parents 50ccf92 + a4f2652 commit 4961598
Showing 1 changed file with 107 additions and 0 deletions.
107 changes: 107 additions & 0 deletions patches/0001-xrx200-ensure-the-correct-version-for-fritz7360.patch
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From 449bbb4e66bdf09706aac68a103200848249787a Mon Sep 17 00:00:00 2001
From: Grische <[email protected]>
Date: Sun, 18 Sep 2022 14:05:21 +0200
Subject: [PATCH] xrx200: ensure the correct version for fritz7360

---
...re-the-correct-version-for-fritz7360.patch | 88 +++++++++++++++++++
1 file changed, 88 insertions(+)
create mode 100644 patches/openwrt/0007-xrx200-ensure-the-correct-version-for-fritz7360.patch

diff --git a/patches/openwrt/0007-xrx200-ensure-the-correct-version-for-fritz7360.patch b/patches/openwrt/0007-xrx200-ensure-the-correct-version-for-fritz7360.patch
new file mode 100644
index 00000000..260ffaac
--- /dev/null
+++ b/patches/openwrt/0007-xrx200-ensure-the-correct-version-for-fritz7360.patch
@@ -0,0 +1,88 @@
+From c9ea8ac5566d8d11c16f36577323c830d18e4300 Mon Sep 17 00:00:00 2001
+From: Grische <[email protected]>
+Date: Sun, 18 Sep 2022 14:03:16 +0200
+Subject: [PATCH] xrx200: ensure the correct version for fritz7360
+
+https://github.com/freifunk-gluon/gluon/pull/2648
+---
+ .../base-files/lib/preinit/01_sysinfo.sh | 68 +++++++++++++++++++
+ 1 file changed, 68 insertions(+)
+ create mode 100644 target/linux/lantiq/xrx200/base-files/lib/preinit/01_sysinfo.sh
+
+diff --git a/target/linux/lantiq/xrx200/base-files/lib/preinit/01_sysinfo.sh b/target/linux/lantiq/xrx200/base-files/lib/preinit/01_sysinfo.sh
+new file mode 100644
+index 0000000000..d91b3dd614
+--- /dev/null
++++ b/target/linux/lantiq/xrx200/base-files/lib/preinit/01_sysinfo.sh
+@@ -0,0 +1,68 @@
++set_sysinfo_xrx200_for_fritz7360_model() {
++ local board_name=$1
++ local model
++ local urlader_version urlader_memsize urlader_flashsize
++ local hexdump_format='4/1 "%02x""\n"'
++
++ # Values are based on urlader-parser-py
++ # https://github.com/grische/urlader-parser-py/blob/42970bf8dec7962317df4ff734c57ebf36df8905/parser.py#L77-L84
++ urlader_version="$(dd if=/dev/mtd0ro bs=1 skip=$((0x580+0x0)) count=4 | hexdump -e "${hexdump_format}")"
++ if [ "${urlader_version}" != "00000003" ]; then
++ logger -s -p warn -t sysinfo-xrx200 "unexpected urlader version found: ${urlader_version}"
++ return
++ fi
++
++ urlader_memsize="$(dd if=/dev/mtd0ro bs=1 skip=$((0x580+0x4)) count=4 | hexdump -e "${hexdump_format}")"
++ if [ "${urlader_memsize}" != "08000000" ]; then
++ logger -s -p warn -t sysinfo-xrx200 "unexpected memsize found: ${urlader_memsize}"
++ return
++ fi
++
++ urlader_flashsize="$(dd if=/dev/mtd0ro bs=1 skip=$((0x580+0x8)) count=4 | hexdump -e "${hexdump_format}")"
++ case "${urlader_flashsize}" in
++ "02000000") # 32MB
++ # see vr9_avm_fritz7360-v2.dts
++ board_name="avm,fritz7360-v2"
++ model="AVM FRITZ!Box 7360 V2"
++ ;;
++ "01000000") # 16MB
++ # see vr9_avm_fritz7360sl.dts
++ board_name="avm,fritz7360sl"
++ model="AVM FRITZ!Box 7360 SL"
++ ;;
++ *)
++ logger -s -p warn -t sysinfo-xrx200 "unexpected flashsize found: ${urlader_flashsize}"
++ return
++ ;;
++ esac
++
++ logger -s -p notice -t sysinfo-xrx200 "detected ${board_name} from urlader partition /dev/mtd0ro. Enforcing model ${model}."
++ echo "${board_name}" > /tmp/sysinfo/board_name
++ echo "${model}" > /tmp/sysinfo/model
++}
++
++do_sysinfo_xrx200() {
++ local reported_board board_name model
++
++ [ -d /proc/device-tree ] || return
++ reported_board="$(strings /proc/device-tree/compatible | head -1)"
++
++ mkdir -p /tmp/sysinfo
++ # 7360 is notoriously known for not writing "v2" on their labels and many
++ # routers have flashed the wrong firmware with the wrong flash layout.
++ # We ensure that the underlying hardware is reported correctly, so that
++ # future upgrades will use the correct flash layout.
++ # Using 7360v2 hardware, an upgrade from a 7360v1/sl firmware to a 7360v2
++ # is working.
++ case "${reported_board}" in
++ *7360*)
++ set_sysinfo_xrx200_for_fritz7360_model "${reported_board}"
++ ;;
++ *)
++ # fall back to OpenWRT's sysinfo detection
++ return
++ ;;
++ esac
++}
++
++boot_hook_add preinit_main do_sysinfo_xrx200
+--
+2.25.1
+
--
2.25.1

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