On 12/13/22 23:15, Sebastian Schaper wrote:
The DAP-X1860 is a wall-plug AX1800 repeater.
Specifications:
- MT7621, 256 MiB RAM, 128 MiB SPI NAND
- MT7915 + MT7975 2x2 802.11ax (DBDC)
- Ethernet: 1 port 10/100/1000
- LED RSSI bargraph (2x green, 1x red/green),
incorrectly populated red/orange status LEDs
(should be red/green according to documentation)
Installation:
- Keep reset button pressed during plug-in
- Web Recovery Updater is at 192.168.0.50
- Upload factory.bin, confirm flashing
(seems to work best with Chromium-based browsers)
Revert to OEM firmware:
- tar -xvf DAP-X1860_RevA_Firmware_101b94.bin
- openssl enc -d -md md5 -aes-256-cbc -in FWImage.st2 \
-out FWImage.st1 -k MB0dBx62oXJXDvt12lETWQ==
- tar -xvf FWImage.st1
- flash kernel_DAP-X1860.bin via Recovery
Signed-off-by: Sebastian Schaper <open...@sebastianschaper.net>
---
I am not quite happy with the 4096K fixed-size kernel partition,
but this is consistent with many other devices using UBI.
If one day the kernel image will grow larger, this could be addressed
simultaneously (e.g. using lzma-loader) for all devices.
Do we even need UBI when there is NMBM? But probably better for redundancy.
I see there are further options available for `mediatek,nmbm` in dts, i.e.
`bmt-max-ratio` and `bmt-remap-range`, only used by those two NMBM devices.
Do we need to set these as well, and how should the values be determined?
RSSI bargraph is configured for the 5GHz interface `wlan1` to be consistent
with other devices using the `rssileds` package, however in current master
this is no longer working, since individual interfaces (e.g. `phy1-sta0`)
will be created when connecting to a network. It seems this needs to be
resolved within `rssileds`, rather than individually for this device.
`uImage-relocate` is based on openwrt/staging/nbd from
977e37c0f23e ramips: add work-in-progress support for D-Link DIR-X1860
.../ramips/dts/mt7621_dlink_dap-x1860-a1.dts | 197 ++++++++++++++++++
target/linux/ramips/image/mt7621.mk | 37 ++++
.../mt7621/base-files/etc/board.d/01_leds | 7 +
.../mt7621/base-files/etc/board.d/02_network | 1 +
.../etc/hotplug.d/ieee80211/10_fix_wifi_mac | 7 +
.../mt7621/base-files/lib/upgrade/platform.sh | 1 +
6 files changed, 250 insertions(+)
create mode 100644 target/linux/ramips/dts/mt7621_dlink_dap-x1860-a1.dts
....
diff --git a/target/linux/ramips/image/mt7621.mk
b/target/linux/ramips/image/mt7621.mk
index 08aa592be8..beae1f929a 100644
--- a/target/linux/ramips/image/mt7621.mk
+++ b/target/linux/ramips/image/mt7621.mk
@@ -14,6 +14,23 @@ ifdef CONFIG_LINUX_5_10
DTS_CPPFLAGS += -DDTS_LEGACY
endif
+RELOCATE_LOADADDR = 0x81000000
+
+define Build/uImage-relocate
+ mkimage \
+ -A $(LINUX_KARCH) \
+ -O linux \
+ -T kernel \
+ -C $(word 1,$(1)) \
+ -a $(RELOCATE_LOADADDR) \
+ -e $(RELOCATE_LOADADDR) \
+ -n '$(if $(UIMAGE_NAME),$(UIMAGE_NAME),$(call
toupper,$(LINUX_KARCH)) $(VERSION_DIST) Linux-$(LINUX_VERSION))' \
+ $(if $(UIMAGE_MAGIC),-M $(UIMAGE_MAGIC)) \
+ $(wordlist 2,$(words $(1)),$(1)) \
+ -d $@ $@.new
+ mv $@.new $@
+endef
+
Why do you need uImage-relocate and can not use the standard Build/uImage?
You have to set KERNEL_LOADADDR to 0x81000000.
define Build/arcadyan-trx
echo -ne "hsqs" > $@.hsqs
$(eval trx_magic=$(word 1,$(1)))
@@ -470,6 +487,26 @@ define Device/cudy_x6
endef
TARGET_DEVICES += cudy_x6
+define Device/dlink_dap-x1860-a1
+ $(Device/dsa-migration)
+ IMAGE_SIZE := 53248k
+ DEVICE_VENDOR := D-Link
+ DEVICE_MODEL := DAP-X1860
+ DEVICE_VARIANT := A1
+ UBINIZE_OPTS := -E 5
+ BLOCKSIZE := 128k
+ PAGESIZE := 2048
+ KERNEL_SIZE := 4096k
+ KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma | \
+ uImage-relocate lzma
+ IMAGES += factory.bin
+ IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+ IMAGE/factory.bin := append-kernel | pad-to $$(KERNEL_SIZE) | append-ubi | \
+ check-size | elx-header 011b0060 8844A2D168B45A2D
+ DEVICE_PACKAGES := kmod-mt7915e rssileds
+endef
+TARGET_DEVICES += dlink_dap-x1860-a1
+
define Device/dlink_dir-8xx-a1
$(Device/dsa-migration)
IMAGE_SIZE := 16000k
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