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ixp4xx: Add back support for Freecom FSG-3

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OpenWrt supported the Freecom FSG-3 in the past. It has
64 MB of RAM so will run fine, but the bare 4 MB of flash
makes it a non-default target. The generated compressed
image is currently below 4MB (just 3.3 MB) though, so it
should be possible to flash just fine with a rootfs on
a harddrive or USB stick, which is what the FSG-3 used
in the past as well.

The device has a WAN port on eth0 and three LAN ports on
eth1. The LAN ports are probably a DSA switch but the
old OpenWrt base never activated that, instead it relies
on boot defaults.

Due to questionable usablity without tweaking and further
work this image is not built by default, but made available
for developers who know what they are doing.

The TAR+CRC image generation is a rewritten version of the
earlier support code.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2024-05-20 22:05:13 +02:00
parent 4220f75d1e
commit 869bbdb8f6
2 changed files with 25 additions and 0 deletions
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1
target/linux/ixp4xx/base-files/etc/board.d/02_network
View File

@ -4,6 +4,7 @@
board_config_update
case "$(board_name)" in
freecom,fsg-3|\
gateworks,gw2348|\
gateworks,gw2358)
ucidef_set_interfaces_lan_wan "eth0" "eth1"

24
target/linux/ixp4xx/image/Makefile
View File

@ -12,6 +12,16 @@ define Build/linksys-ixp425-image
mv $@.new $@
endef
define Build/freecom-image
mkdir -p $@.tmptar
# Add kernel
cp $@ $@.tmptar/zImage
cd $@.tmptar && tar -c -j -f $@.new --numeric-owner --owner=0 --group=0 *
rm -rf $@.tmptar
encode_crc $@.new $@
rm -f $@.new
endef
# Build sysupgrade image
define BuildFirmware/Generic
dd if=$(KDIR)/zImage of=$(KDIR)/zImage.pad bs=64k conv=sync; \
@ -36,6 +46,20 @@ define Device/Default
BLOCKSIZE := 128k
endef
define Device/freecom_fsg_3
DEVICE_VENDOR := Freecom
DEVICE_MODEL := FSG-3
DEVICE_PACKAGES := ixp4xx-microcode-ethernet kmod-rtc-isl1208 kmod-ath5k wpad-basic-mbedtls
# Only 4 MB of Flash so not building by default
DEFAULT := n
DEVICE_DTS := intel-ixp42x-freecom-fsg-3
KERNEL := kernel-bin | append-dtb
IMAGES := factory.bin
# This has to boot from harddisk so just append the kernel
IMAGE/factory.bin := append-kernel | freecom-image
endef
TARGET_DEVICES += freecom_fsg_3
define Device/gateworks_avila
DEVICE_VENDOR := Gateworks
DEVICE_MODEL := Avila GW2348-4