TD-W8970 ramdisk does not boot

[fld@…]

$ svn info
Path: .
URL: svn://svn.openwrt.org/openwrt/trunk
Repository Root: svn://svn.openwrt.org/openwrt
Repository UUID: 3c298f89-4303-0410-b956-a3cf2f4a3e73
Revision: 38578
Node Kind: directory
Schedule: normal
Last Changed Author: nbd
Last Changed Rev: 38578
Last Changed Date: 2013-10-29 16:12:06 +0200 (Tue, 29 Oct 2013)

make menuconfig options used:

	Target System -> Lantiq GPON/XWAY/SVIP
	Subtarget -> XRX200
	Target Profile -> TP-LINK TD-W8970
	Target Images -> ramdisk ---> Compression ---> lzma

Start the tftp server:

$ sudo dnsmasq -d --port=0 --enable-tftp --tftp-root=/home/fld/openwrt/trunk/bin/lantiq/
dnsmasq: started, version 2.62 DNS disabled
dnsmasq: compile time options: IPv6 GNU-getopt DBus i18n IDN DHCP DHCPv6 no-Lua TFTP conntrack
dnsmasq-tftp: TFTP root is /home/fld/openwrt/trunk/bin/lantiq/

In the TP-Link TD-W8970 serial console:

ROM VER: 1.1.4
CFG 05

ROM VER: 1.1.4
CFG 05

DDR autotuning Rev 0.3d
DDR size from 0xa0000000 - 0xa3ffffff
DDR check ok... start booting...



U-Boot 2010.06-LANTIQ-v-2.0.40-svn2583 (Oct 26 2012 - 12:15:55)

CLOCK CPU 500M RAM 250M
DRAM:  64 MiB
Using default environment

In:    serial
Out:   serial
Err:   serial
Net:   Internal phy(GE) firmware version: 0x841d
vr9 Switch8192 KiB EN25Q64 at 0:3 is now current device


Type "run flash_nfs" to mount root filesystem over NFS

Hit any key to stop autoboot:  0
VR9 # ttt
Unknown command 'ttt' - try 'help'
VR9 # setenv ipaddr 192.168.0.3
VR9 # setenv serverip 192.168.0.99
VR9 # setenv bootargs 'board=WD8970'
VR9 # tftpboot openwrt-lantiq-xrx200-vmlinux-initramfs.elf
8192 KiB EN25Q64 at 0:3 is now current device
Using vr9 Switch device
TFTP from server 192.168.0.99; our IP address is 192.168.0.3
Filename 'openwrt-lantiq-xrx200-vmlinux-initramfs.elf'.
Load address: 0x80800000
Loading: #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         ##############################################
done
Bytes transferred = 8308268 (7ec62c hex)
VR9 # go 0x80800000
## Starting application at 0x80800000 ...

ROM VER: 1.1.4
CFG 05

DDR autotuning Rev 0.3d
DDR size from 0xa0000000 - 0xa3ffffff
DDR check ok... start booting...



U-Boot 2010.06-LANTIQ-v-2.0.40-svn2583 (Oct 26 2012 - 12:15:55)

CLOCK CPU 500M RAM 250M
DRAM:  64 MiB
Using default environment

In:    serial
Out:   serial
Err:   serial
Net:   Internal phy(GE) firmware version: 0x841d
vr9 Switch8192 KiB EN25Q64 at 0:3 is now current device


Type "run flash_nfs" to mount root filesystem over NFS

Hit any key to stop autoboot:  0
8192 KiB EN25Q64 at 0:3 is now current device
8192 KiB EN25Q64 at 0:3 is now current device
        Uncompressing ...
Starting kernel ...

Lantiq xDSL CPE VR9
mips_hpt_frequency = 250000000, counter_resolution = 2
Linux version 2.6.32.32 (wuzhiqin@localhost.localdomain) (gcc version 4.3.3 (GCC) ) #13 Wed Nov 28 10:49:15 CST 2012

As we can see the device just resets when trying to boot the .elf image.

A workaround I found to work very well:

--- target/linux/lantiq/image/Makefile.orig     2013-11-02 15:35:59.263312561 +0200
+++ target/linux/lantiq/image/Makefile  2013-11-03 19:16:15.945276320 +0200
@@ -141,20 +141,23 @@
        $(CP) $(KDIR)/vmlinux-initramfs-$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1)-vmlinux-initramfs
 endif
 endef

 define Image/BuildKernelTPLink/Template
        $(call PatchKernelLzma,$(1))
        $(call TPLinkImageLzma,$(1),$(2))
        $(CP) $(KDIR)/uImage-$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1)-uImage
 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
        $(call PatchKernelLzma,$(1),-initramfs)
+       $(call TPLinkImageLzma,$(1),$(2),-initramfs)
+       $(CP) $(KDIR)/uImage-$(1)-initramfs $(BIN_DIR)/$(IMG_PREFIX)-$(1)-uImage-initramfs
+       $(call PatchKernelLzma,$(1),-initramfs)
        $(call Image/BuildLoader/Template,$(1),-initramfs)
        $(CP) $(KDIR)/loader-initramfs-$(1).bin $(BIN_DIR)/$(IMG_PREFIX)-$(1)-vmlinux-initramfs-loader
        $(CP) $(KDIR)/vmlinux-initramfs-$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1)-vmlinux-initramfs
 endif
 endef

 define Image/BuildKernelEVA/Template
        $(call PatchKernelLzma,$(1))
        $(call MkImageEVA,$(1))
        $(CP) $(KDIR)/$(1).eva.align.64k $(BIN_DIR)/$(IMG_PREFIX)-$(1).eva.align.64k

Now lets try it in the TD-W8970 serial console:

ROM VER: 1.1.4
CFG 05

ROM VER: 1.1.4
CFG 05

DDR autotuning Rev 0.3d
DDR size from 0xa0000000 - 0xa3ffffff
DDR check ok... start booting...



U-Boot 2010.06-LANTIQ-v-2.0.40-svn2583 (Oct 26 2012 - 12:15:55)

CLOCK CPU 500M RAM 250M
DRAM:  64 MiB
Using default environment

In:    serial
Out:   serial
Err:   serial
Net:   Internal phy(GE) firmware version: 0x841d
vr9 Switch8192 KiB EN25Q64 at 0:3 is now current device


Type "run flash_nfs" to mount root filesystem over NFS

Hit any key to stop autoboot:  0
VR9 #
VR9 # setenv ipaddr 192.168.0.3
VR9 # setenv serverip 192.168.0.99
VR9 # setenv bootargs 'board=WD8970'
VR9 # tftpboot openwrt-lantiq-xrx200-TDW8970-uImage-initramfs
8192 KiB EN25Q64 at 0:3 is now current device
Using vr9 Switch device
TFTP from server 192.168.0.99; our IP address is 192.168.0.3
Filename 'openwrt-lantiq-xrx200-TDW8970-uImage-initramfs'.
Load address: 0x80800000
Loading: #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #######
done
Bytes transferred = 5818359 (58c7f7 hex)
VR9 # bootm
        Uncompressing ...
Starting kernel ...

[    0.000000] Linux version 3.10.17 (fld@HA) (gcc version 4.6.4 (OpenWrt/Linaro GCC 4.6-2013.05 r38578) ) #40 Tue Nov 5 16:21:26 EET 2013
[    0.000000] SoC: VR9 rev 1.2
[    0.000000] bootconsole [early0] enabled
[    0.000000] CPU revision is: 00019556 (MIPS 34Kc)
[    0.000000] MIPS: machine is TDW8970 - TP-LINK TD-W8970
...

[anonymous]

Thank you very much!! It works for me (TD-W8970)

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