Re: Contents of the "origin/ulf/linux-2.6.30.2" branch. Help with testing wanted.

[Marcin Juszkiewicz <marcin@juszkiewicz.com.pl>]

Dnia wtorek, 11 sierpnia 2009 o 20:55:00 Ulf Samuelsson napisał(a):
> The goal of this branch is to update the AT91 support.
>
> 1) Fix AT91bootstrap, which is currently non-functional
> 2) Update to the latest u-boot (2009.08-rc2)
> 3) Update the kernel (2.6.30.2)
>    with many AT91 patches not yet in mainstream kernel.
>    MCI patches still lacking...

Cool! I will check your changes and then rebase and merge them into .dev 
tree. I am also planning to push it later to stable/2009 branch.

> I have so far managed to build everything and load
> on an AT91SAM9263EK which has a dataflash
> containing at91bootstrap, u-boot and linux.
>
> 0x0     at91bootstrap
> 0x8400  u-boot
> 0x84000 linux
>
> The NAND flash is programmed with a root file system
>
> 0x400000 JFFS2 root file system.

Similar setup is used on at91sam9263-ek here so I will test your branch.

> AT91BOOTSTRAP
> v2.10 was completely wrong due to bad linkaddr.
> v2.12 and v2.13 boots properly from dataflash.

Can we just drop all older versions?

I had to add patch to 2.12 to get rid of -fno-dwarf2-cfi-asm parametr 
passed to GCC. Did not tested with 2.13-rc1 as at91.com is not 
reachable.

> All boards compile, but only the SAM9263EK has been tested on H/W.
> Only dataflashcard boot that is...
> Boot from NAND flash not tested.

Thats what I will not test either - my board has Rev A cpu so only dfc 
booting possible.

> The updated at91bootstrap changes the recipe
> so that the normal way to configure is to do
>
> oe_runmake <board>_defconfig
>
> instead of copying a defconfig file to the toplevel .config

Thats good - especially as at91bootstrap configs in OE are basically the 
same which are in sources.

> U-BOOT
> Updated to 2009.08-rc2 with patches.

[..]

> The last time I bitbaked this, U-Boot did not build
> for some reason.
> When I bitbaked u-boot directly, it built.
> Will rebuild again and see if problem repeats.

Will check it.

> LINUX
> A kernel is generated, with the defconfig taken
> from Marcin's 2.6.30, slightly updated.
>
> Added a lot of patches from the ARM mailing list,
> but the MCI is missing.
> Hope to get that later.

I will merge it with linux_2.6.30.bb recipe. Will add also latest 
2.6.30.x patch to this.

For future: do not use linux-2.6.30.2.tar.bz2 but linux-2.6.30.bz2 + 
patch-2.6.30.2.bz2 - this will save download time for those who have 
linux-2.6.30.tar.bz2 tarball already.

> linux boots and you can communicate with the console,
> but gpe is not started properly.

Interesting problem, will check but later as now I have other type of 
image as default.

> I introduced the possibility to build linux using
> make <board>_defconfig, instead of using a
> defconfig in a board directory under linux.
> LINUX26_DEFCONFIG needs to be defined.

Interesting, will check. I see a problem anyway because linux_*.bb 
recipes by default use defconfig as part of SRC_URI. But we can use 
empty file to satisfy it.

> BOARD SUPPORT
> Since there are plenty of AT91 chips with more coming,
> I decided to make two include files.
> conf/machine/include/AT91.inc
> conf/machine/include/AT91-LCD.inc

Thanks a lot - I had that in todolist ;)

> I will spend some time testing this, but
> I hope I will get some help from interested parties.

As always you can count on me when it comes to AT91 stuff.

Regards, 
-- 
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Website:  http://marcin.juszkiewicz.com.pl/
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