Announcing Fedora 18 for Allwinner A1x release 2, now with A10s support

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Hi All,

I'm very happy to announce release 2 (r2) of my Fedora 18 ARM images
for Allwinner A10, A10s and A13 based devices. This release is based
on the official Fedora 18 Final for ARM images, with u-boot and
kernel(s) from the linux-sunxi project:
http://linux-sunxi.org/

Whats new in release 2:
-A10s SOC support (mk802_a10s, r7-tv-dongle, wobo-i5 boards) including:
 -Support for the new axp152 pmic for proper cpu voltage scaling
  (to keep it cool when idle) and the ability to turn the board off
 -Support for the new wifi cards found on these, rtl8188eu and rtl8189es
 -Support for having the phy for the embedded ethernet on ioport D
-New kernel 3.4.43
-New rebased u-boot, based on recent upstream u-boot code
-Support for a couple of new boards (32 boards in total now)

You can download it here:
http://scotland.proximity.on.ca/contrib-images/hansg/Fedora-18-a10-armhfp-r2.img.xz

It is important to read the README, the image standard comes without
u-boot pre-loaded since u-boot is board specific. The image includes
a user-friendly simple script to install the right u-boot for
your board, but if you simply xzcat the image to an sdcard, and then
boot your device with the sdcard, things will *not* work.

See the README for a list of currently supported boards.

Enjoy,

Hans


And to make sure everyone reads the README, let me print it here
in full:

Fedora 18 ARM for Allwinner A10, A10s and A13 devices README
------------------------------------------------------------

Quickstart guide
----------------

1) Insert an sdcard, note any data on the card will be destroyed!
2) Make sure the card is not mounted, run "mount" and if the card shows
   up in the output umount its partitions
3) Write the img file to the card, ie as root do:
   xzcat Fedora-18-a10-armhfp-r1.img.xz > /dev/mmcblk0
   sync
4) The card is not yet ready for use! Since the A10 u-boot is board
   specific, the image comes without any uboot install, follow the next
   steps to install the right u-boot for your board
5) Remove the card, and re-insert it. The uboot partition should get
   automatically mounted, if not mount it manually,
6) As root (or through sudo) run:
   bash <uboot-part-mount>/select-board.sh
   Note the "bash " in front is necessary because the uboot vfat partition
   often gets auto-mounted noexec. ie:
   sudo bash /run/media/hans/uboot/select-board.sh

   If you've dialog installed the select-board.sh script will prompt for
   your board. If you don't have dialog installed, it will print the list
   of supported boards. Lookup your board and re-run the script with the
   shortname for your board as argument, ie:
   sudo sh /run/media/hans/uboot/select-board.sh mk802
7) umount the uboot and rootfs partitions, ie:
   umount /run/media/hans/uboot
   umount /run/media/hans/rootfs
8) Your sdcard is now ready for use
9) *Before* powering up your A10 device connect it to an hdmi or dvi monitor
10) When first booting from the sdcard inserted Fedora will automatically
   reboot once, this is part of the process to resize the root partition to
   fill the entire sdcard and is normal behavior.
11) After the automatic reboot Fedora will start with the firstboot wizard:
   11a) Configure a user here
   11b) Most A10 devices do not come with a battery backed rtc, so you will
        want to enable ntp. Simply click ok in the ntp dialog. Now firstboot
        will try to start ntp. Since most devices have only wireless, and
        that is not configured yet at this time, click on cancel when it
        tries to start ntp. If it then asks if you want to re-do your ntp
        configuration choose no.
12) Log in as the just created user
13) If you need to configure wireless click on the network icon in the
    top right corner (next to the clock) and select the wireless network
    you want to connect to
14) Enjoy Fedora on your A10 device


Supported Devices:
------------------

Fedora 18 ARM for Allwinner A10 has been tested with the following devices:
* BA10 TV Box
* A13-OLinuXino-MICRO (Olimex)
* Cubieboard development board 1024 MB RAM
* Gooseberry development board
* Mele A1000G/A2000G 1024 MB RAM
* Mini-X 1024 MB RAM
* mk802 (with female mini hdmi) 512 MB RAM
* mk802 with A10s (s with a circle around it on the barcode label)
* mk802ii (with male normal hdmi) 1024 MB RAM
* r7 hdmi tv stick
* UHost U1A hdmi tv stick
* Wobo i5 TV Box

Fedora 18 ARM should also work on the following devices:
* A10 tablet sold under various names (whitelabel)
* A13 tablet sold under various names (whitelabel)
* A13-OLinuXino (Olimex)
* Coby MID7042 tablet
* Coby MID8042 tablet
* Coby MID9742 tablet
* Cubieboard development board 512 MB RAM
* DNS AirTab M82 tablet
* EOMA68 A10 CPU card
* H6 netbook
* Hackberry development board
* Hyundai a7hd tablet
* iNet-97F Rev.2 (and clones) tablet
* Mele A1000/A2000 512 MB RAM
* Mele A3700
* Mini-X 512 MB RAM
* mk802 (with female mini hdmi) 1024 MB RAM
* pcDuino development board
* Point of View ProTab 2 IPS 9" tablet
* Point of View ProTab 2 IPS tablet with 3g


Configuring the display output
------------------------------

Multiple video outputs at the same time are not supported. By default
hdmi output with EDID is used for all devices, except for tablets/netbooks
where the default output is the lcd.

The default hdmi output with EDID will get the native resolution of your
TV / monitor and use that. Note that in order for this to work your TV /
monitor must be connected *and turned on*, before booting your device.

The output resolution can be configured with the disp.screen0_output_mode
kernel cmdline value, which can be found in the extrargs part of uEnv.txt in
the uboot partition. The default uEnv.txt contains the following value:
disp.screen0_output_mode=EDID:1280x720p60

This means try to use EDID and if no valid EDID info is found fallback to
1280x720p60.

The used output can be changed by adding disp.screen0_output_type=X to the
extraargs in uEnv.txt. With X being one of: 0:none; 1:lcd; 2:tv; 3:hdmi; 4:vga

Some per display type notes:
-lcd outputs: Hardcoded to the native mode, disp.screen0_output_mode is ignored
-tv: For the cvbs output disp.screen0_output_mode must be set to one of the
 following: pal, pal-svideo, ntsc, ntsc-svideo, pal-m, pal-m-svideo, pal-nc,
 pal-nc-svideo. Note the -svideo variants should only be used on boards with
 an svideo connector, for composite out use the regular variants, ie:
 disp.screen0_output_type=2 disp.screen0_output_mode=pal
-hdmi: To override the EDID detected mode, drop the "EDID:" from the
 disp.screen0_output_mode value and set it to the desired mode, ie:
 disp.screen0_output_type=3 disp.screen0_output_mode=1360x768p60
-vga: Does not support EDID, "EDID:" must be removed from the
 disp.screen0_output_mode value otherwise it will be ignored. interlaced
 progressive and refreshrate settings specified are ignored, each resolution
 has hardcoded values for these. Example usage:
 disp.screen0_output_type=4 disp.screen0_output_mode=1024x768


USB controller caveats
----------------------
The OTG USB controller in host mode only supports a limited number of
devices, plugging in a hub + mouse + keyboard typically will make either
the mouse or keyboard not work. This is a hardware limitation which we
will likely not be able to work around.

On tv-sticks and top-set boxes, simply avoid the otg connector, instead
use a hub in a regular host usb connector. Note on the mini-x the otg / host
marking is not always correct. If things don't work try using the OTG
connector instead!

On tablets and the gooseberry unfortunately only the otg connector is
available. One solution there is using a single usb-device which is
both a keyboard and a mouse at the same time. IE the receiver for logitech
wireless desktop sets.


Supported hardware components / features:
-----------------------------------------

Fedora 18 ARM for Allwinner A10 supports the following components:
* CPU + PMU + RAM
* Serial ports
* MMC cards
* Internal NAND storage
* Framebuffer on lcd / vga / hdmi / composite video
* Sound both analog out and over hdmi
* OTG USB controller
* Both standard USB host controllers
* Wifi
* Wired Ethernet
* SATA
* IR (untested at this time)


Unsupported hardware components:
--------------------------------

The following components require various proprietary blobs to be used, and
as such are not supported in the Fedora images. The kernel drivers for them
are present (usually as modules), so if you add the necessary blobs you
might get these to work:
* Mali 400 GPU
* Cedar hardware video & audio decoding and encoding engine
* G2D 2d engine


Differences from stock Fedora
-----------------------------
* Since the A10 is not a very powerful soc some services which are enabled by
  default on Fedora are disabled in the image, see build-image.sh for a list.
* No plymouth: we log to a serial console for debugging so no pretty splash.
  Also we don't use an initrd, so removing the console=ttyS0,115200 from
  the extraargs in uEnv.txt will give plymouth, but so late it hardly matters.


Rebuilding the Fedora 18 ARM for Allwinner A10 disk image
---------------------------------------------------------

Building the Fedora 18 ARM for Allwinner A10 disk image consists of 2 steps
1) Building a uboot.tar.gz and rootfs.tar.gz "overlays", this is done
   bu the build-boot-root-sh script
2) Combining uboot.tar.gz and rootfs.tar.gz with an official Fedora 18
   ARM panda image. The a10 image you downloaded is named the same as the panda
   image used as base with panda replaced by a10, so to get the panda image
   name replace a10 with panda again :) This combining is done by the
   build-image.sh script

These scripts are hosted here:
https://github.com/jwrdegoede/sunxi-fedora-scripts.git

A copy of the exact versions of these scripts used to build this Fedora A10
image can be found in the scripts directory of the uboot partition, the
kernel config used during the build can be found here too.

If you want to exactly reproduce this image it is important to use the
scripts from the scripts dir of the uboot partition, as the scripts contain
GIT tags used during the build to checkout the exact versions to build.

The pre-conditions these scripts expect to be met, and the exact usage of
them is documented in comments in the top of each script.
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