Arduino Yun is a microcontroller development board, based on Atmel
ATmega32u4 and Atheros AR9331.
Specifications:
- MCU: ATmega32U4
- SoC: AR9331
- RAM: DDR2 64MB
- Flash: SPI NOR 16MB
- WiFi:
- 2.4GHz: SoC internal
- Ethernet: 1x 10/100Mbps
- USB: 1x 2.0
- MicroSD: 1x SDHC
Notes:
- Stock firmware is based on OpenWrt AA.
- The SoC UART can be accessed only through the MCU.
YunSerialTerminal is recommended for access to serial console.
- Stock firmware uses non-standard 250000 baudrate by default.
- The MCU can be reprogrammed from the SoC with avrdude linuxgpio.
Installation:
1. Update U-Boot environment variables to adapt to new partition scheme.
> setenv bootcmd "run addboard; run addtty; run addparts; run addrootfs; bootm 0x9f050000 || bootm 0x9fea0000"
> setenv mtdparts "spi0.0:256k(u-boot)ro,64k(u-boot-env),15936k(firmware),64k(nvram),64k(art)ro"
> saveenv
2. Boot into stock firmware normally and perform sysupgrade with
sysupgrade image.
# sysupgrade -n -F /tmp/sysupgrade.bin
Signed-off-by: Sungbo Eo <mans0n@gorani.run>
This adds 3 Mikrotik rb4xx series drivers as follows:
rb4xx-cpld: This is in the mfd subsystem, and is the parent CPLD device
that interfaces between the SoC SPI bus and its two children below.
rb4xx-gpio: This is the GPIO expander.
rb4xx-nand: This is the NAND driver.
The history of this code comes in three phases.
1. The first is a May 2015 attempt to push the equivalient ar71xx rb4xx
drivers upstream. See https://lore.kernel.org/patchwork/patch/940880/.
Module-author: Gabor Juhos <juhosg@openwrt.org>
Module-author: Imre Kaloz <kaloz@openwrt.org>
Module-author: Bert Vermeulen <bert@biot.com>
2. Next several ar71xx patches were applied bringing the code current.
commit 7bbf4117c6
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
commit af79fdbe4a
commit 889272d92d
commit e21cb649a2
commit 7c09fa4a74
Signed-off-by: Felix Fietkau <nbd@nbd.name>
3. Finally a heavy refactor to split the driver into the three new
subsystems, and updated to work with the device tree configuration, plus
updates and review feedback incorporated
Reviewed-by: Thibaut VARÈNE <hacks@slashdirt.org>
Signed-off-by: Christopher Hill <ch6574@gmail.com>
This is only a cosmetic correction, as the driver works as expected.
However, the error message confuses users about a missing reset definition.
On a defered init we don't see the following error message now:
[ 0.078292] ar7200-usb-phy usb-phy: phy reset is missing
Tested-by: Lech Perczak <lech.perczak@gmail.com>
Signed-off-by: Johann Neuhauser <johann@it-neuhauser.de>
Between 4.19 and 5.4, the kernel moved the partition parsers into
the parsers subdirectory. This led to some necessary rebasing of
our local patches for parsers, which partially has been performed
without caring about where the code was inserted.
This commit tries to adjust our local patches so that parsers are
inserted at the "proper" positions with respect to alphabetic sorting
(if possible). Thus, the commit is cosmetic.
While this might look useless now, it will make life easier when
adding other parsers in the future or for rebasing on kernel changes.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This parser was added with the target, but no device seems to use it
currently, as all partitions are specified in the device-tree.
Signed-off-by: David Bauer <mail@david-bauer.net>
Between 4.19 and 5.4, mtd parsers have been moved to "parsers"
subdirectory. Like for myloader.c in the previous patch,
this patch moves tplinkpart.c to the kernel patches, so the
code and the kernel includes are at the same location and
the path can be adjusted per kernel.
While at it, remove some outdated kernel version switches from
the C code.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Between 4.19 and 5.4, mtd parsers have been moved to "parsers"
subdirectory. Based on this, the selection of myloader.o in OpenWrt
was also moved to that subdirectory, while the Kconfig and our local
myloader.c file remained in /drivers/mtd.
This resulted in linking errors like the following (on ath25@5.4):
make[8]: *** No rule to make target 'drivers/mtd/parsers/myloader.o', ...
needed by 'drivers/mtd/parsers/built-in.a'. Stop.
make[7]: *** [scripts/Makefile.build:500: drivers/mtd/parsers] Error 2
make[6]: *** [scripts/Makefile.build:500: drivers/mtd] Error 2
Since myloader.c is not too big, this patch moves it to the kernel patches,
allowing to adjust the path for kernel 5.4 and keeping Makefiles and
file paths better in sync.
Other patches have been refreshed accordingly.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
The QCA9550 family of SoCs have a slightly different reset
sequence compared to older chips.
Normally the bootloader performs this sequence, however
some bootloader implementation expect the operating system
to clear the reset. Also get the PCIe resets from OF to
support the second RC of the QCA9558.
This is required for the AVM FRITZ!WLAN Repeater 1750E to work,
as EVA leaves the PCIe bus in reset.
Tested: AVM FRITZ!WLAN Repeater 1750E - OCEDO Koala
Signed-off-by: David Bauer <mail@david-bauer.net>
Reimplements read optimization on top of spi-mem. Similar to
what 461-spi-ath79-add-fast-flash-read.patch used to do with
the dropped flash read interface.
It accelerate only fast-read op reading flash directly from
memory mapped region. 'm25p,fast-read' must be set in order
to use the new spi-mem.
It improved read speed up to 3x on old devices (tplink,tl-wr2543-v1)
while no speed improvement was noticed on newer devices like
(tplink,archer-c7-v2).
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
The ag71xx driver from Linux 5.4 currently has various shortcomings
when used with OpenWrt compared to our downstream version.
For example, the upstream driver does not support modifying the ethernet
clock and configuring RGMII delays on the MAC side.
While we should certainly switch to the upstream driver, the amount of
necessary patches would make it cumbersome to work with. It's also
highly likely we won't be able to finish patching the upstream driver in
time for a Linux 5.4 release.
Tested on Siemens WS-AP3610.
CC: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David Bauer <mail@david-bauer.net>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Patch 0061-tty-serial-ar933x-uart-rs485-gpio.patch wasn't included
when adding support for kernel 5.4. Re-add it and refresh patches.
Fixes: 53ab9865c2 ("ath79: add support for kernel 5.4")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This removes the assignment of setup and cleanup functions for the ath79
target. Assigning the setup-method will lead to 'setup_transfer' not
being assigned in spi_bitbang_init.
Also drop the redundant cleanup assignment, as this also happens in
spi_bitbang_init.
Signed-off-by: David Bauer <mail@david-bauer.net>
* Fix some bugs in the driver
* Add missing clock and reset references in dts
* Rename mdio-bus to mdio so the driver find it
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David Bauer <mail@david-bauer.net>
[refreshed]
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
* Sync the patches with the changes done for kernel 4.19
* Use KERNEL_TESTING_PATCHVER
* Refresh the configuration
* Fix multiple compile bugs in the patches
* Only add own ag71xx files for kernel 4.19 and use upstream version for
5.4.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Sungbo Eo
Hauke Mehrtens
Christopher Hill
Johann Neuhauser
Petr Štetiar
Adrian Schmutzler
Koen Vandeputte
David Bauer
Luiz Angelo Daros de Luca
Daniel Golle