This patch re-enables the reset_ppe() functionality for VR9 targets by using
the new lantiq rcu subsystem. The reset sequence in the reset_ppe() function
was taken from the ppa datapath driver of lantiq UGW 7.4.1.
Additionally it adds the required reset definitions to the vr9 dtsi file.
It also prepares the reset_ppe() function calls for the other lantiq targets.
This feature is needed to be able to switch between ltq-atm/ltq-ptm driver
in ATM/PTM Auto-Mode at runtime.
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Hardware:
- SoC: Lantiq VRX288
- RAM: Winbond W971GG6JB 1 Gb (128 MiB)
- Flash:
- SPI: 8 Mb (1 MiB) for bootloader and tffs
- NAND: 1 Gb (128 MiB) for OS
- xDSL: Lantiq VRX208
- WLAN: Atheros AR9381
- DECT: Dialog Semiconductors SC14441
Everything except FXS/DECT works
(no drivers for AVM's FXS implementation with SC14441).
Installation via FTP:
1. Use scripts/flashing/eva_ramboot.py to send initramfs-kernel.bin
to the device when powering on.
Standard AVM procedures with finding the correct IP address and
the right moment to open FTP apply here (approx. 4 seconds on 7362SL).
IMPORTANT: set lzma compression in ramdisk options, bootloader stalls
when receiving uncompressed images.
2. Transfer sysupgrade.bin image with scp to /tmp directory
and run sysupgrade
3. First boot might take a bit longer if linux_fs_start was set to 1,
in that case the device will reboot twice, first time it will fail to load
second kernel (overwritten by ubifs), set linux_fs_start to 0 and reboot.
OpenWrt uses the entire NAND flash. Kernel uses 4 MiB and rootfs uses
the rest of 124 MiB, overwriting everything related to FRITZ!OS - both
OS images, config and answering machine/media server data.
To return to FRITZ!OS, use AVM's recovery image.
Signed-off-by: Danijel Tudek <danijel.tudek@gmail.com>
Hardware:
SoC: Lantiq VRX 220
CPU Cores: 2x MIPS 34Kc at 500 MHz
RAM: 128 MiB 250 MHz
Storage: 128 MiB NAND flash
Ethernet: built-in Fast Ethernet switch, only port 2 is used
Wireless: Atheros AR9287-BL1A b/g/n with 2 pcb antennas
Modem: built-in A/VDSL2 modem
DECT: Dialog SC14441
LEDs: 1 two-color, 4 one-color
Buttons: 2
FXS: 1 port via TAE or RJ12 connector
Everything except FXS/DECT works
(no drivers for AVM's FXS implementation with SC14441).
Installation:
Use the eva_ramboot.py script to load an initramfs image on the
device. Run it a few seconds after turning the device on.
$ scripts/flashing eva_ramboot 192.168.178.1 bin/targets/lantiq/xrx200/openwrt-lantiq-xrx200-avm_fritz7412-initramfs-kernel.bin
If it fails to find the device try the ip address 169.254.120.1.
(Firmware updates or the recovery tool apparently change it.)
IMPORTANT: set lzma compression in ramdisk options, bootloader stalls
when receiving uncompressed images.
The device will load it in ram and boot it. You can reach it under
the openwrt default ip address 192.168.1.1.
Check if the key linux_fs_start is not set to 1 in tffs:
$ fritz_tffs_nand -d /dev/mtd1 -n linux_fs_start
If it is set to 1, the bootloader will select the wrong set of
partitions. Restart the box and install an FritzOS upgrade or do a
recovery. Afterwards start again at step 1.
Run sysupgrade to persistently install OpenWRT.
Signed-off-by: Valentin Spreckels <Valentin.Spreckels@Informatik.Uni-Oldenburg.de>
Signed-off-by: Andy Binder <AndyBinder@gmx.de>
The current snapshot release kernel with it's 2119245 Byte
size is too big to fit into the 2097152 (2MiB) area that
was set aside for the kernel. Which causes the device to
fail to boot (after an update or even during a fresh install)
NAND read: device 0 offset 0x60000, size 0x200000
2097152 bytes read: OK
## Booting kernel from Legacy Image at 80800000 ...
Image Name: MIPS OpenWrt Linux-4.14.98
Created: 2019-02-13 9:37:36 UTC
Image Type: MIPS Linux Kernel Image (lzma compressed)
Data Size: 2119245 Bytes = 2 MiB
Load Address: 80002000
Entry Point: 80002000
Verifying Checksum ... Bad Data CRC
ERROR: can't get kernel image!
This patch fixes the problem by enlarging the kernel partition
at the cost of the ubi/data partition behind it. The patch
also adds a KERNEL_SIZE variable to the image Makefile to
prevent silent corruptions from happening in the future.
Please note: The u-boot environment for the router also
needs to be updated. So please attach an appropriate
serial converter cable and enter the following commands
into the u-boot prompt:
setenv nboot 'nand read 0x80800000 0x60000 0x300000; bootm 0x80800000'
saveenv
The wiki has been updated accordingly:
<https://openwrt.org/toh/zyxel/p2812hnu-f1>
Fixes: FS#2124
Suggested-by: Mafketel (User on bugs.openwrt.org)
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
In the upstream netdev led trigger the one mode file was replaced by 3
files named rx, tx and link. Fix the netdev trigger configuration code
to use the modified API.
This fix is based on 201058b35c ("base-files: Fix netdev led trigger")
Fixes: aa3b6a08c5 ("kernel: Replace ledtrig-netdev with upstream backport")
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Enable support for 2nd USB port, which is available on Fritz!Box 7320
and 7330. It was run-tested on 7320 and 7330 as well.
Signed-off-by: Robert Resch <openwrt@webnmail.de>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit changes the model string and device title of all AVM boards
to fit the naming of the manufacturer.
Drop all provider-specific titles as they are re-used for every device
generation by 1&1. The original AVM model name is printed on the bottom
of every devices.
Exception applies for boards which are only supported by a specific
sub-revision.
Signed-off-by: David Bauer <mail@david-bauer.net>
>From the Documentation/devicetree/bindings/leds/common.txt:
- default-state : The initial state of the LED. Valid values are "on", "off",
and "keep". If the LED is already on or off and the default-state property is
set the to same value, then no glitch should be produced where the LED
momentarily turns off (or on). The "keep" setting will keep the LED at
whatever its current state is, without producing a glitch. The default is
off if this property is not present.
So setting the default-state of the LEDs to `off` is redundant as `off`
is default LED state anyway. We should remove it as almost every new
PR/patch submission contains this property by default which seems to be
just copy&paste from some DTS file already present in the tree.
Signed-off-by: Petr Štetiar <ynezz@true.cz>
The current stats always have a 'ms' suffix, and they're used by luci.
Introduce dsl.latency_[down|up] values, exported in µs without suffix.
Signed-off-by: Andre Heider <a.heider@gmail.com>
I wanted to add status LEDs support to my imx6 based board and have found out,
that I could use diag.sh script found in ramips platform, which seems to be
also shared in a few other platforms:
4801276bc2078c5bcf03003c831e3b0a target/linux/ramips/base-files/etc/diag.sh
4801276bc2078c5bcf03003c831e3b0a target/linux/ipq40xx/base-files/etc/diag.sh
4801276bc2078c5bcf03003c831e3b0a target/linux/ath79/base-files/etc/diag.sh
And @chunkeey suggested to me, that I can also add lantiq, ipq806x and
apm821xx to the list of platforms which could share this generic
diag.sh.
I've extended the base diag.sh in a way, that if it detects any of the
DTS LED aliases, then it would use the generic DTS set_led_state code.
The code in platform's diag.sh has moved to base-files package in this
commit:
base-files: diag.sh: Make it more generic towards DTS so it could be reused
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Tested-by: Christian Lamparter <chunkeey@gmail.com> (apm821xx and ipq40xx)
Add out of the box support for 802.11r and 802.11w to all targets not
suffering from small flash.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Mathias did all the heavy lifting on this, but I'm the one who should
get shouted at for committing.
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
We select ath10k-ct by default, but it is still possible to build
the upstream version.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John Crispin <john@phrozen.org>
- fix single spaces hidden by a tab
- replace indentation with spaces by tabs
- make empty lines empty
- drop trailing whitespace
- drop unnecessary blank lines
Signed-off-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: Paul Wassi <p.wassi@gmx.at>
Indicate a (sys)upgrade via leds as well. It brings the lantiq diag.sh
script en par with the other implementations using devicetree aliases
to define multiple leds for boot status indication.
By default, use the boot finished led to indicate an upgrade for now.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Without this patch you will get an error "gpio-export probe deferral
not supported" when you try to export i2c expander gpio pins.
gpio-export is probed long before i2c-bus and i2c expander are created
and it doesn't retry it so none pins are exported.
Signed-off-by: René van Dorst <opensource@vdorst.com>
apply the change to all instances of the gpio exports patch
Signed-off-by: Mathias Kresin <dev@kresin.me>
The FritzBox 7312 is also known as 1&1 WLAN-MODEM. The device is almost
the same as FB7330, but only one ETH-Port and no USB.
Hardware
SoC: Lantiq Xway ARX188 PSB 50812 EL
RAM: 64MB DDR1 (Zentel A4S12D40FTP-G5)
Ethernet: Atheros 8030
Wireless: Atheros AR9227 b/g/n 2x2
DSL: Lantiq ADSL2+
DECT: Dialog SC14441
Buttons: WiFi, DECT
LEDs: Power/DSL, Fon, DECT, WLAN, Info
LEDs
Power: GPIO#44 (active low)
Internet: GPIO#47 (active low)
DECT: GPIO#38 (active low)
WLAN: GPIO#37 (active low)
Info: GPIO#35 (active low)
The Fon LED is labeled as internet in avm gpl sources.
Buttons
WLAN: GPIO#1 (active low)
DECT: GPIO#2 (active low)
Phy
GPIO#03: 25 MHz
GPIO#34: Reset (active low)
GPIO#39: Int
GPIO#42: MII MDIO
GPIO#43: MII MDC
PCIe
GPIO#21: reset (active low)
Installation:
To install OpenWrt via Eva bootloader, within the first seconds after
power on a ftp connection need to be established to the FRITZ!Box at
192.168.178.1 and the the following ftp commands need to be run:
ftp> quote USER adam2
ftp> quote PASS adam2
ftp> binary
ftp> debug
ftp> passive
ftp> quote MEDIA FLSH
ftp> put /path/to/openwrt-lantiq-xway-avm_fritz7312-squashfs-sysupgrade.bin mtd1
ftp> quote REBOOT
Signed-off-by: Johann Neuhauser <johann@it-neuhauser.de>
Use of_mdiobus_register() to pass the ethernet phy node to the phy
drivers. This is needed for the at8030 phy driver which needs to know
the GPIO which is connected to the ar8030 reset pin.
This driver expects a child in gsw/etop node named "mdio-bus", which has
the ethernet phys defined:
&gsw {
phy-mode = "rmii";
phy-handle = <&phy0>;
mtd-mac-address = <&ath9k_cal 0xa91>;
mtd-mac-address-increment = <(-2)>;
mdio-bus {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
phy0: ethernet-phy@0 {
reg = <0>;
reset-gpios = <&gpio 34 GPIO_ACTIVE_LOW>;
};
};
};
Fallback to mdiobus_register() if no mdio-bus child node exists. This
way we don't need to touch all xway dts files, for which we don't know
the actual address on the mdio bus.
Signed-off-by: Johann Neuhauser <johann@it-neuhauser.de>
Add a new config option to allow to select the default compile
optimization level for the kernel.
Select the optimization for size by default if the small_flash feature is
set. Otherwise "Optimize for performance" is set.
Add the small_flash feature flag to all (sub)targets which had the
optimization for size in their default kernel config.
Remove CC_OPTIMIZE_FOR_* symbols from all kernel configs to apply the new
setting.
Exceptions to the above are:
- lantiq, where the optimization for size is only required for the
xway_legacy subtarget but was set for the whole target
- mediatek, ramips/mt7620 & ramips/mt76x8 where boards should have
plenty of space and an optimization for size doesn't make much sense
- rb532, which has 128MByte flash
Signed-off-by: Mathias Kresin <dev@kresin.me>
Increase the available flash memory size in AVM Fritz!Box 3370 by
incorporating the unused extra partitions located after the ubi partition.
Note that users upgrading from a previous OpenWRT version need to
re-install from the boot loader to pick up the new partition layout.
Available flash space for rootfs+overlay increases from 48MB to 124MB.
Reverting to the OEM firmware is still possible (via the recovery utility
provided by AVM) as the OEM firmware appears to reformat the config and
nand-filesystem partitions upon first boot if necessary. The
reserved-kernel and reserved-filesystem partitions are overwritten by the
OEM firmware when installing an update, so their contents do not matter.
Boot loader and device-specific information (MAC addresses, calibration
data, etc.) are not located in NAND flash and remain unharmed by this
changed.
Tested with OEM firmware 06.54 on device with HWRevision 5 and Micron
flash chip.
Signed-off-by: Michael Kuron <m.kuron@gmx.de>
To keep the status of a LED connected to the stp during boot, the get
callback is required. If the callback is missing and the LED default
state is set to keep in the devicetree, the gpio led driver errors out
during load.
Fixes: FS#1620
Signed-off-by: Mathias Kresin <dev@kresin.me>
Check if the GPIO is valid (or set at all). If no GPIO is set in the
devicetree, a gpiolib related kernel warning + stacktrace is shown during
boot and gpio-export reports GPIOs as exported albeit none really is.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Both version of the vg3503j have the LAN1 labelled port connected to
switch port 4 and the LAN2 labelled port connected to switch port 2.
Signed-off-by: Mathias Kresin <dev@kresin.me>
When upstream kernel introduced commit c55fa3cccbc2c672e7f118be8f7484e53a8e9e77
we incorrectly updated our hack integration patch that updates atm/common.c
+++ b/net/atm/common.c
@@ -62,10 +62,16 @@ static void vcc_remove_socket(struct soc
write_unlock_irq(&vcc_sklist_lock);
}
+struct sk_buff* (*ifx_atm_alloc_tx)(struct atm_vcc *, unsigned int) = NULL;
+EXPORT_SYMBOL(ifx_atm_alloc_tx);
+
static bool vcc_tx_ready(struct atm_vcc *vcc, unsigned int size)
{
struct sock *sk = sk_atm(vcc);
+ if (ifx_atm_alloc_tx != NULL)
+ return ifx_atm_alloc_tx(vcc, size)
The correct solution is to drop our ifx_atm_alloc_tx replacement hack
entirely and let the kernel do its thing.
In reality neither pppoatm or BR2684 interfaces actually hit this code,
so the incorrect integration would only be noticed with direct socket
calls which we are unaware of a use-case.
This is not the solution to pppoatm vc-mux failing to work which started
the whole investigation, but let's fix it up anyway.
With sincerest thanks to David Woodhouse <dwmw2@infradead.org> &
Mathias Kresin <dev@kresin.me>.
Tested-on: lantiq, BT HomeHub 5a
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
Recent Speedport firmware downloads only work over HTTPS, so the user
either needs to provide the already downloaded file or install
ustream-ssl-* as well as ca-certificates or ca-bundle.
So to get VDSL2 with vectoring on xRX200, simply run
vdsl_fw_install.sh
on the target and either provide the downloaded file as instructed or
make sure the device is connected to the Internet and can download that
HTTPS url itself.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
THIN_ARCHIVES option is enabled by default in the kernel configuration
and no one target config disables it. So enable it by default and remove
this symbol from target specific configs to keep them light.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
New FUTEX_PI configuration symbol enabled if FUTEX and RT_MUTEX symbols
are enabled. Both of these symbols are enabled by default in the
generic config, so enable FUTEX_PI by default too to keep platform
specific configs minimal.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
OVERLAY_FS config symbol selects EXPORTFS since 4.12 kernel, we have
OVERLAY_FS enabled by default, so enable EXPORTFS in the generic config
of 4.14 and remove this option from platform specific configs.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
DRM_LIB_RANDOM config symbol selected only by DRM_DEBUG_MM_SELFTEST
which is disable by default, so disable DRM_LIB_RANDOM by default too.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
These options do not used by any supported arch, so disable them by
default to make arch configs a bit more clean.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Only one arch (x86_64) enables this option. So disable
ARCH_WANTS_THP_SWAP by default and remove referencies to it from all
configs (except x86_64) to make them clean.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
It isn't a phy supply, as the phy is still up if the GPIO is low. It
rather is the supply for the vbus. A correct setting/definition will be
relevant as soon as USB peripheral mode is supported.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Rename the image and use a compatible string which indicates that only
hardware revision 2 and higher is supported.
It allows to use the wireless LED, as HWRev 1 uses GPIO#39 for the
wireless LED and starting with HWRev 2 GPIO#35 is used for the wireless
LED and GPIO#39 for IFX_GPIO_MODULE_EXTPHY_MDIO.
The HWREV can be checked by connecting to the fritzbox right after power
on via ftp:
ftp> quote GETENV HWSubRevision
Within the same HW revision 5 of the Fritz!Box 3370 different NAND flash
chips are used. Usually it isn't a big deal but depending on the used
NAND flash chip, the ECC calculation is done different (and incompatible
of course).
Boards with a Micron MT29F1G08ABADA NAND flash chip are using the NAND
chip to calculate the ECC (on-die). Boards with a Hynix HY27UF081G2M NAND
flash chip are doing the ECC calculation in software.
Supporting both with a single DTS isn't possible. It might be possible
to add a patch selecting the ECC mode dynamicaly based on the found NAND
flash chip. But such a patch has no chance to get accepted upstream and
most likely need to be touched with every kernel update.
Instead two images are created. One for Micron NAND flash chip and one
for Hynix NAND flash chip. So far no pattern is known to identify the
used flash chip without opening the box.
Add the power off GPIO. At least EVA version 2186 sets/keeps the GPIO as
input, which will cause a reboot 30sec after power on. For boards with
EVA version 2186 the installation is tricky as it has to be finished
within the 30sec time frame.
The EVA version can be checked by connecting to the fritzbox right after
power on via ftp:
ftp> quote GETENV urlader-version
The ath9k eeprom/caldata is at a different and offset and stored in
reverse order (from the last byte to the beginning) on the flash.
Reverse the bits to bring the data into the format expected by the
ath9k driver.
Since the ath9k eeprom is stored in reverse order on flash, we can not
use the mac address from the on flash eeprom. Get the MAC address from
the tffs instead.
Within the same HW revision 5 of the Fritz!Box 3370 both version of the
vr9 SoC are used. During preparation of kernel 4.14 support, all
devicetree source files were changed to load the vr9 v1.1 and vr9 v1.2
gphy firmware, which fixed the embedded phys for boards using the
version 1.2 of the vr9 SoC.
While at it, add a trigger to make use of the LAN LED. Setup the
build-in switch and add a hint for LuCI two show the ports in order
matching the labels on the case
Add support for the second USB port and provide the volatage GPIOs. Use
GPIO#21 as PCIe reset pin. The lan led is connected to GPIO#38.
Name the rootfs partition ubi and remove the mtd/rootfs related kernel
bootargs to use the OpenWrt autoprobing based on the partition name.
Enable sysupgrade support to allow an upgrade from a running system.
Since sysupgrade wasn't supported till now, drop image build code which
was added to allow a sysupgrade from earlier OpenWrt versions.
Build images that allow an (initial) installation via EVA bootloader.
To install OpenWrt via Eva bootloader, within the first seconds after
power on a ftp connection need to be established to the FRITZ!Box at
192.168.178.1 and the the following ftp commands need to be run:
ftp> quote USER adam2
ftp> quote PASS adam2
ftp> binary
ftp> debug
ftp> passive
ftp> quote SETENV linux_fs_start 0
ftp> quote MEDIA FLSH
ftp> put /path/to/openwrt-lantiq-xrx200-FRITZ3370-eva-kernel.bin mtd1
ftp> put /path/to/openwrt-lantiq-xrx200-FRITZ3370-eva-filesystem.bin mtd0
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Mathias Kresin <dev@kresin.me>
Backport patch accepted upstream which removes the reset asserts of the
xrx200 gphy driver on reboot/remove.
While doing a global software reset, these bits are not cleared and let
some bootloader fail to initialise the GPHYs. The bootloader don't expect
these bits to be set, as they aren't during power on.
The asserts were a workaround for a wrong syscon-reboot mask. With a mask
set which includes the GPHY resets of the first reset register, the
resets of the second reset register arn't required any more.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Merge the two existing functions and use a parameter for the type
header field.
It updates the syntax of the former mpc85xx fake ramdisk header
command to be compatible with mkimage from u-boot 2018.03 and fixes the
build error spotted by the build bot.
Signed-off-by: Mathias Kresin <dev@kresin.me>
We need to reset the GPHYs on reboot as well. Otherwise the bootloader
might have issues to reset/find the GPHYs.
Signed-off-by: Mathias Kresin <dev@kresin.me>
During upstreaming the intel phy driver, support for the vr9 v1.1
embedded phys got lost. Backport the upstream send patch adding support
for the vr9 v1.1 embbeded phys to the driver.
Signed-off-by: Mathias Kresin <dev@kresin.me>
cosmetic fixes
Signed-off-by: Mathias Kresin <dev@kresin.me>
The latest bootloader versions load the firmware into memory and call
`chk_dniimg` (defined in Netgear GPL release), which expects to find
three consecutive block-aligned uImages. Add two fake uImage headers
after the kernel to fool this check.
This wastes up to 128k of space for alignment. The alternative would be
to put the rootfs in a second uImage, but this would limit the firmware
size to 0x710000 (the number of bytes loaded and verified by the
bootloader) instead of 0x7b0000 (the size of the firmware partition).
Signed-off-by: Thomas Nixon <tom@tomn.co.uk>
This makes some of the mtd patches apply again after some generic
patches were changed.
These problems where found by build bot.
Fixes: ac9bcefa3b ("kernel: use V10 of mtd patchset adding support for "compatible" string")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
The Lantiq XRX200 aka VR9 doesn't have an asc0. Instead,
there is an USIF module which can either be an UART or a
SPI Controller.
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Updated the devicetree source files to make use of the following
upstreamed drivers:
- xrx200 ethernet phy
- reset controller unit
- dwc2
- fpi
Use our custom xrx200 ethernet phy compatible to support boards, which
have switched the vr9 revision during lifetime, with a single devicetree
source file.
By switching to the dwc2 driver + usb phy framework, we don't need to used
our custom gpio power patch and can use a fixed regulator instead.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Mathias Kresin <dev@kresin.me>
On danube the USB0 registers are at 1e101000 similar to all other lantiq
SoCs.
On Danube and AR9 the USB core is connected to the AHB bus, hence we need
to enable the AHB Bus as well.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Add a custom xrx200 ethernet phy compatible to load the firmware matching
the vr9 revision without specifing an expected revision.
We have quite a few boards in the tree were later produced ones are using
a more recent vr9. It is impossible to distinguish which revision of the
vr9 is used without opening the case and removing a heatsink for some of
them.
Signed-off-by: Mathias Kresin <dev@kresin.me>
This reverts kernel commit 1eed40043579 ("MIPS: smp-mt: Use CPU interrupt
controller IPI IRQ domain support"). With the patch applied, the kernel
hangs during boot if SMP is active.
The Lantiq IRQ controller gets registered first and it directly handles
the MIPS native SW1/2 and HW0 - HW5 IRQs. It looks like this controller
already registers IRQ 0 - 7 and the generic driver only gets the following
IRQs starting later.
The upstream discussion can be found at
https://www.linux-mips.org/archives/linux-mips/2017-05/msg00059.html.
Signed-off-by: Mathias Kresin <dev@kresin.me>
This just copies the patches, configuration and dts files into the
directories hich are used for kernel 4.14.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Move the devicetree source files to a kernel specific directory in
preparation of adding kernel 4.14 support.
Rename the subtarget kernel config files to match a specific kernel
version.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Rename the gphy firmware to match the name requested by kernel 4.14 and
update the devicetree source files to use the new name.
Update the u-boot lantiq Makefile to be compatible with the new names as
well.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Calling nand_do_upgrade() from platform_pre_upgrade() was deprecated
with 30f61a34b4 ("base-files: always use staged sysupgrade").
Update the platform upgrade code to use platform_do_upgrade() for NAND
images as well.
Signed-off-by: Mathias Kresin <dev@kresin.me>
The watchdog kill command was meant for busybox watchdog. Busybox watchdog
was replaced by the procd watchdog mid 2013 with commit df7ce9301a
("busybox: disable the watchdog utility by default"), which makes the kill
command obsolete since quite some time.
Signed-off-by: Mathias Kresin <dev@kresin.me>
To make it more accessible for nodejs users to configure and run a build
on mips target lacking hardware fpu
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
Renaming an atm etherbride using 'ip link' (via hotplug) is racy since the
original netdev might disappear before br2684ctl has finished appling it's
setting:
local2.notice br2684ctl[1667]: Interface "nas0" created sucessfully
local2.notice br2684ctl[1667]: Communicating over ATM 0.8.35, encapsulation: LLC
kern.info kernel: dsl0: renamed from nas0
kern.err kernel: br2684:br2684_regvcc: tried to attach to non-existent device
local2.err br2684ctl[1667]: Could not configure interface:No such device or address
By passing the final used netdev name to br2684ctl_wrap another race
condition workaround will be enabled again.
Change the lantiq ptm driver to create a netdev with the name dsl as well.
Albeit the rename via 'ip link' works fine so far, using a different
approach for ptm then atm could be confusing.
Signed-off-by: Mathias Kresin <dev@kresin.me>
The Annex A and Annex B version are using the same (old) userspace
boardname. Update the SUPPORTED_DEVICES to allow an update from lede-17.01.
Signed-off-by: Mathias Kresin <dev@kresin.me>
This was broken in 7bab49fd ("lantiq: add compatible strings to dts
files"), causing for the dm200 garbled serial output during boot, and
likely other issues.
Signed-off-by: Thomas Nixon <tom@tomn.co.uk>
[fix the compat string of the P2601HNFX as well]
Signed-off-by: Mathias Kresin <dev@kresin.me>
The value DSL_ChipSetHWVersion is fetched from the dsl frontend
via the dsl_control service, but not really provided by the dsl
frontend firmware and for now always "UNKNOWN".
The lantiq support told us that this information wouldn't be
provided in the foreseeable future, so let's remove this
useless "UNKNOWN" information.
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Use <manufacturer>_<modelname> as image name.
Use the BOARD_NAME variable to ensure that the former used boardname is
still used as the subdirectory name for the sysupgrade-tar image, to
not break sysupgrade from earlier versions.
While at it, normalise the image filenames by using only lower case
characters and bin as file extension for sysupgrade images.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Use the first compatible string as board name in userspace. Add the new
board name as well as the former used board name to the image metadata
to keep compatibilty with already deployed installations.
Don't add the former used boardname for boards which exists only in
master or evaluation boards.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Lantiq and IPQ806X (which includes IPQ40XX) both define the
same custom function {ipq806x|lantiq}_get_dt_led.
This patch moves the function into the base-file package at
lib/functions/leds.sh to make it more accessible for other
targets as well.
Cc: Mathias Kresin <dev@kresin.me>
Cc: John Crispin <john@phrozen.org>
Cc: Hannu Nyman <hannu.nyman@iki.fi>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
This will avoid some conflicts when doing a git rebase or merge,
specially when adding support to a new device.
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
[drop brcm47xx changes which rename the images]
Signed-off-by: Mathias Kresin <dev@kresin.me>
Remove the WW suffix, everything without a region suffix is world wide
anyway.
While at it, normalise the image filenames by using only lower case
characters.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Users are confused which image type they should use and there are more
drawbacks than adavantages in using a r/w ubifs rootfs in constrast to
a read-only squashfs rootfs like:
- less available free flash space due to better compression of squashfs
images
- no support for factory reset due to r/w filesystem
- possibility to break failsafe due to r/w filesystem
Therefore, drop support for r/w ubifs rootfs images.
Signed-off-by: Mathias Kresin <dev@kresin.me>
The MAC addresses were not being set for LAN and WAN. This will now use the
same MAC mechanism as the rest of the target.
Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
This change makes it possible to configure the wan/dsl ppp interface
settings independantly from the used TC-Layer (ATM/PTM).
By using dsl0 as interface name as for the xrx200 we can get rid of a
few conditionals which were introduced because of the different default
TC-Layer in xway and xrx200.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Set a default Annex matching the the annex of the selected adsl
firmware.
Set Annex B for xrx200 board which are known to have an ADSL hybrid for
Annex B.
Signed-off-by: Mathias Kresin <dev@kresin.me>
With removing the boards from the the default case to fix the xDSL WAN
MAC-Address, the setting for the default LAN interface wasn't added.
Fixes: 92a12c434c ("lantiq: fix avm fritz box mac addresses")
Signed-off-by: Mathias Kresin <dev@kresin.me>
The ARV752DPW22 has the same generic mac address in the EEPROM as it
was already noticed for other lantiq boards using a ralink wireless.
Use the base mac address from the boardconfig partition as it is done
by the stock firmware.
Signed-off-by: Mathias Kresin <dev@kresin.me>
This change makes it possible to configure the wan/dsl ppp interface
settings independantly from the used TC-Layer (ATM/PTM).
Now you can move a device from an ADSL/ATM port to an VDSL/PTM port
without any configuration changes for example.
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
[use the dsl0 interface name for the default netdev trigger in 01_led,
add ip dependency]
Signed-off-by: Mathias Kresin <dev@kresin.me>
The lantiq patch 0028-NET-lantiq-various-etop-fixes.patch and sunxi
patch 0051-stmmac-form-4-11.patch no longer applied after applying the
the "generalize napi_complete_done()" patch.
Update them so they apply, and refresh patches while at it.
Fixes: 9aeb7ce8dc ("generic: net: generalize napi_complete_done")
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
With kernel commit 7630ea4bda18 ("Documentation: net: phy: improve
explanation when to specify the PHY ID") the purpose of using phy id
specific compatibles was clarified.
Remove the phy id specific compatibles since they are meant to be used
if the phy reports an incorrect or no phy id at all.
Reported-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Mathias Kresin <dev@kresin.me>
The generic nand driver fails to load with:
gen_nand 14000000.nand-parts: platform_nand_data is missing
gen_nand: probe of 14000000.nand-parts failed with error -22
and the xway-nand driver is used afterwards.
Drop the gen_nand compatible to get rid of the error message.
Signed-off-by: Mathias Kresin <dev@kresin.me>
This patch adds all the board-specific values currently hardcoded
in mktplinkfw2.c back to the respective device declarations in the
makefiles.
The rationale is to avoid modifying the source code every time a
new board or board variant is added.
Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
Add the missing USB related kernel config options to target config.
Enable wireless as well, wireless is supported via USB.
Fixes compile/packaging errors with the libertas wireless kernel
module.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Do not disable SPI in the subtarget, otherwise the SPI driver can not
be used.
Disable SPI by default and enable it in the board specific device tree
source file.
Signed-off-by: Mathias Kresin <dev@kresin.me>
AmazonSE and Falcon do not have support for PCI and it can't be
unselected in the subtarget kernel config. This way the enabled PCI
support is inherit from the higher level config to the subtarget.
If CONFIG_PCI is selected, PCI_SUPPORT will be autoselected as well and
all packages depending on this config symbol will be build and at least
some of them fail due to missing pci functions.
The issue can be observed if all kmods and all non-shared packages are
build. Fix the issue by enabling PCI support only in subtargets with
PCI support.
Signed-off-by: Mathias Kresin <dev@kresin.me>
The subtarget kernel config options CONFIG_CC_OPTIMIZE_FOR_SIZE and
CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK are already set by the target or
global kernel config.
Signed-off-by: Mathias Kresin <dev@kresin.me>
CONFIG_SPI_LANTIQ was replaced by CONFIG_SPI_LANTIQ_SSC with the switch
to the upstreamed driver.
All other removed subtarget kernel config options are already set by
the target specific or global kernel config.
Signed-off-by: Mathias Kresin <dev@kresin.me>
CONFIG_MTSCHED & CONFIG_PERFCTRS were never defined in the kernel.
CONFIG_LANTIQ_PHY was replaced by CONFIG_INTEL_XWAY_PHY with the switch
to the upstreamed driver.
Add autoselected dependecies to the kernel config.
Signed-off-by: Mathias Kresin <dev@kresin.me>
CONFIG_GPIO_DEVRES was removed with kernel commit f9c22ec6c1c5 ("gpio:
Remove GPIO_DEVRES option") during kernel 4.9 development.
CONFIG_HAVE_BPF_JIT was removed with kernel commit 6077776b5908 ("bpf:
split HAVE_BPF_JIT into cBPF and eBPF variant") during kernel 4.7
development.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Refresh patches.
Compile-tested on octeon and x86/64.
Runtime-tested on octeon and x86/64.
Fixes the following CVEs:
- CVE-2017-14106
- CVE-2017-14497
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
Refresh patches.
Compile-tested on octeon and x86/64.
Runtime-tested on octeon and x86/64.
Fixes CVE-2017-11600.
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
In conditions where none of the switch ports is connected during boot,
the priv->port[i].link != priv->port[i].phydev->link condition is false
since both link values are equal (false). The carrier of the switch
netdev is never set to off and the link state reported by ip is UNKNOWN.
Turn the carrier off if none of the switch ports has a link, regardless
whether something has been changed. Add a check for a carrier to
prevent unnecessary calls to netif_carrier_off() if the carrier is
already off.
Based on a patch send by Martin Schiller.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Install kmod-rt2800-pci instead of only the rt2x00 library.
Fixes missing wireless interface on AudioCodes AC-MP252.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Refresh patches.
Adapt 704-phy-no-genphy-soft-reset.patch.
Remove brcm2708/950-0005-mm-Remove-the-PFN-busy-warning.patch.
Compile-tested on brcm2708/bcm2708 and x86/64.
Runtime-tested on brcm2708/bcm2708 and x86/64.
Fixes the following vulnerabilities:
- CVE-2017-7533
- CVE-2017-1000111
- CVE-2017-1000112
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
USB doesn't work in some danube boards because otg_cap
is missing since previous changes made on the USB-dwc2
lantiq driver. Fix it.
Tested on the ARV7518PW router.
Signed-off-by: Daniel Gonzalez Cabanelas <dgcbueu@gmail.com>
If xfer_mode is set to auto the vdsl_cpe_control daemon assumes that
ATM should be used for ADSL and PTM for VDSL.
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
This makes it possible to simply add additional notification handlers
by putting new scripts in the /etc/hotplug.d/dsl directory.
the following Environment Variables are used:
(values marked with an * are only available when bonding support is
compiled in)
DSL_NOTIFICATION_TYPE with one of these values:
- DSL_STATUS
- DSL_INTERFACE_STATUS
- DSL_DATARATE_STATUS_US
- DSL_DATARATE_STATUS_DS
DSL_LINE_NUMBER=<0|1> *
If DSL_NOTIFICATION_TYPE == DSL_STATUS, these variables are set:
- DSL_XTU_STATUS=<ADSL|VDSL>
- DSL_TC_LAYER_STATUS=<ATM|EFM>
- DSL_EFM_TC_CONFIG_US=<NORMAL|PRE_EMPTION>
- DSL_EFM_TC_CONFIG_DS=<NORMAL>
If DSL_NOTIFICATION_TYPE == DSL_INTERFACE_STATUS, these variables are
set:
- DSL_INTERFACE_STATUS=<DOWN|READY|HANDSHAKE|TRAINING|UP>
- DSL_BONDING_STATUS=<INACTIVE|ACTIVE> *
If DSL_NOTIFICATION_TYPE == DSL_DATARATE_STATUS_US, these variables are
set:
- DSL_DATARATE_US_BC0=<Upstream data rate in bit/s for Channel 0>
- DSL_DATARATE_US_BC1=<Upstream data rate in bit/s for Channel 1> *
If DSL_NOTIFICATION_TYPE == DSL_DATARATE_STATUS_DS, these variables are
set:
- DSL_DATARATE_DS_BC0=<Downstream data rate in bit/s for Channel 0>
- DSL_DATARATE_DS_BC1=<Downstream data rate in bit/s for Channel 1> *
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
In the xrx200_close() function we call napi_disable(), that could
sleep, with priv->hw->chan[i].lock held. This could lead to deadlock
and causes the kernel to complain.
Look at the code I couldn't convince myself about why we
need to protect that specific code part with the lock. IMHO there
seems no reason to protect the refcount variables, because AFAIK
ndo_close() and ndo_open() callbacks are already called with a
semaphore held. Neither I could figure out why napi_disable() have to
be called with that lock held. The only remaining code part for
which I could guess the lock is useful for is ltq_dma_close()
function call.
This patch reduces the lock to the said function call, avoiding the
sleep-with-spinlock-held situation
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
[fold into 0025-NET-MIPS-lantiq-adds-xrx200-net.patch, backport to
kernel 4.4]
Signed-off-by: Mathias Kresin <dev@kresin.me>
For targets using the generic board detection and board specific
settings in diag.sh, the board name is still unset at the time the
set_state() provided by diag.sh is called by 10_indicate_preinit.
Change the execution order to ensure the boardname is populated before
required the first time. Do the target specific board detection as
early as possible, directly followed by the generic one to allow a
seamless switch to the generic function for populating /tmp/sysinfo/.
Signed-off-by: Mathias Kresin <dev@kresin.me>
- Refreshed all patches
- Removed upstreamed
- Adapted 4 patches:
473-fix-marvell-phy-initialization-issues.patch
-----------------------------------------------
Removed hunk 5 which got upstreamed
403-net-phy-avoid-setting-unsupported-EEE-advertisments.patch
404-net-phy-restart-phy-autonegotiation-after-EEE-advert.patch
--------------------------------------------------------------
Adapted these 2 RFC patches, merging the delta's from an upstream commit
(see below) which made it before these 2.
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-
stable.git/commit/?h=v4.9.36&id=97ace183074d306942b903a148aebd5d061758f0
180-usb-xhci-add-support-for-performing-fake-doorbell.patch
-----------------------------------------------------------
- Moved fake_doorbell bitmask due to new item
Compile tested on: cns3xxx, imx6
Run tested on: cns3xxx, imx6
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
There is no device tree property named phynmode0. Use phy-mode as it is
done for the other ethernet nodes.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Netgear DM200 is an inexpensive VDSL modem:
CPU: VRX220 MIPS 34Kc 5.6 @ 500Mhz
RAM: 64MiB
Flash: 8MiB
Ethernet: 1x100M
DSL: VDSL2+, ADSL2+
reset button, 3x bi-color LEDs
Serial port is 115200 baud, on the 4 pin header; pins from the bottom to
top are GND, RX, TX.
To upgrade from the vendor firmware, upload factory.img
The DM200 bootloader supports flashing over TFTP; hold the reset button
while powering on the device, and wait for the power light to start
flashing green before releasing. The device is now listening on
192.168.0.1/24, and can be sent a factory.img or a netgear image with a
TFTP put.
Once the image is loaded, it will be written to the flash, and the
device will reboot; this will take a few minutes.
Thanks to Edward O'Callaghan and Baptiste Jonglez, who implemented their
own ports for this device and provided valuable feedback.
Signed-off-by: Thomas Nixon <tom@tomn.co.uk>
The Netgear UI in basic mode refuses the upgrade file if the the
fileextension is not img. The expert/advanced mode accepts any
fileextension. Use img to make it work in any case.
Signed-off-by: Mathias Kresin <dev@kresin.me>
There are already two targets (lantiq, ramips) which use mktplinkfw2
tool for creating images. This de-duplicates code, introduces two new
build commands: tplink-v2-header, tplink-v2-image and makes use of
them in place of old, (sub)target specific ones.
Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
- Refreshed all patches
- Adapted 1 (0031-mtd-add-SMEM-parser-for-QCOM-platforms.patch)
Compile tested on: brcm2708, cns3xxx, imx6
Run tested on: brcm2708, cns3xxx, imx6
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
[Compile and run tested on brcm2708]
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
The driver is used for boards outside the lantiq target as well. Move
it to generic to make it available for more targets.
The phy driver is included in kernel 4.8 as INTEL_XWAY_PHY.
Signed-off-by: Mathias Kresin <dev@kresin.me>
On boards which don't have a distinct internet and dsl led, use the
shared LED to indicate the xdsl line state and any traffic that is
send/received via the netdev. This traffic doesn't necessarily need to
be internet traffic.
Rename the shared LED of existing configs to "dsl", to match the new
defaults. The configuration of the to be renamed LED is identical with
the new defaults.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Allows to use a single LED for line init status indication and to show
any rx/tx activity on a synchronized dsl line.
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Signed-off-by: Mathias Kresin <dev@kresin.me>
CONFIG_SG_POOL symbol is selected only by CONFIG_SCSI, since the last
one is disabled by default then disable CONFIG_SG_POOL by default too.
And explicitly enable it only for platforms that use CONFIG_SCSI.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
The patch 0008 removes the vanilla kernel gptu.c of lantiq.
But the replacement file timer.c does not work Amazon-SE and
is also protected therefore with an CONFIG_SOC_AMAZON_SE :-)
This commit will re-activate the default vanilla kernel code
in gptu.c for Amazon-SE.
Signed-off-by: Tino Reichardt <milky-lede@mcmilk.de>
[refresh patches and add same change for kernel 4.9]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This patch adds support for the Allnet ADSL2+ Modem ALL0333CJ.
Specifications:
- SoC: Amazon-SE
- RAM: 16MB
- Storage: 4MB NOR FLash
- LEDs: Power, Ethernet, DSL (Sync)
- Buttons: 1x Reset Button (not currently supported, will be done)
- 1x Ethernet-Port: 1x RJ45 10/100BaseTX
- 1x WAN-Port: AnnexB & J, G.992.1(ADSL), G.992.3(ADSL2), G.992.5(ADSL2+)
Installation:
- can be done via telnet+tftp or serial console
- default passwords:
- via telnet (root:admin)
- via webinterface http://172.16.1.254:8235/ (admin:coolwhite)
Installation via telnet / tftp:
host: # your own host must have an tftpd daemon, then do this:
host: ifconfig eth0:172 172.16.1.1 up
host: # telnet to allnet modem, root:admin
host: telnet 172.16.1.254
modem: # kill this daemon, it spams your console
modem: killall dsl_cpe_control
modem: # change to some place in ram:
modem: cd /ramdisk/tftp_upload
modem: # load lede-lantiq-ase-ALL0333CJ-squashfs-sysupgrade.bin alias uImage
modem: tftp -g -r uImage 172.16.1.1
modem: # load these extra tools from your tftpd via:
modem: # source: https://github.com/mcmilk/uboot-utils/releases/download/0.1/mips32.tar.gz
modem: tftp -g -r flashwrite 172.16.1.1
modem: tftp -g -r fw_setenv 172.16.1.1
modem: tftp -g -r fw.conf 172.16.1.1
modem: ln -s fw_setenv fw_printenv
modem: chmod +x *
modem: ./fw_setenv disable_recovery y
modem: ./fw_setenv kernel_addr 0xb0010000
modem: ./flashwrite /dev/mtd/1 uImage 0
Installation via serial line at uboot:
uboot: # erase everything exept bootloader
uboot: protect on b0000000 +10000; protect on b03f0000 +10000
uboot: erase all
uboot: # get new firmware via tftp:
uboot: tftpboot 0x80100000 uImage; setenv kernel_addr 0xb0010000
uboot: # copy to flash:
uboot: cp.b 0x80100000 $(kernel_addr) $(filesize)
uboot: # disable proprietary image checking:
uboot: setenv disable_recovery=y; saveenv
uboot: # reboot with LEDE ;)
uboot: reset
Ethernet works as expected, DSL syncronization does not work properly
currently, I am working on this issue.
Signed-off-by: Tino Reichardt <milky-lede@mcmilk.de>
Enable the building of Netgear DGN1000B images. I have an
example device here, but it was not tested currently.
Also WLAN and USB is not ready in the moment.
This is just the proper way, so that developing on this
device is known to be done in the near future.
Signed-off-by: Tino Reichardt <milky-lede@mcmilk.de>
The device tree is at /proc/device-tree/ without a base subdir.
Fixes: da472e5b30 ("treewide: access device tree from userspace via /proc/")
Signed-off-by: Mathias Kresin <dev@kresin.me>
Access the device tree via /proc/device-tree/ is the documented way to
access the properties. Everything else might not work in future.
Signed-off-by: Mathias Kresin <dev@kresin.me>
The generic SPI code calculates how long the issued transfer would take
and adds 100ms in addition to the timeout as tolerance. On my 500 MHz
Lantiq Mips SoC I am getting timeouts from the SPI like this when the
system boots up:
m25p80 spi32766.4: SPI transfer timed out
blk_update_request: I/O error, dev mtdblock3, sector 2
SQUASHFS error: squashfs_read_data failed to read block 0x6e
After increasing the tolerance for the timeout to 200ms I haven't seen
these SPI transfer time outs any more.
The Lantiq SPI driver in use here has an extra work queue in between,
which gets triggered when the controller send the last word and the
hardware FIFOs used for reading and writing are only 8 words long.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
