Re: linux-image-3.11-2-armmp_3.11.8-1_armhf not include AHCI_IMX
On Tue, Dec 3, 2013 at 1:06 PM, Ian Campbell <ijc@hellion.org.uk> wrote:
> On Wed, 2013-12-04 at 00:50 +0800, Niew, Sh. wrote:
>> On Tue, Dec 3, 2013 at 4:44 PM, Ian Campbell <ijc@hellion.org.uk> wrote:
>> > It looks like the old imx flavour only had CONFIG_PATA_IMX=m and this
>> > was carried over to the armmp flavour. It looks like AHCI_IMX was never
>> > enabled.
>> >
>> > I suppose the pata driver isn't working for you? Did you ever try the
>> > old imx flavour and did it work?
>>
>> You mean the *-mx5 kernel package?
>> I don't think it can boot in Boundary Devices SABRELite board, which is i.MX6
>> And i did try...
>
> Sorry, I keep forgetting that the old flavour was mx5 not mx*.
>
>> > In general the move has been from PATA to AHCI, I suppose we ought to
>> > transition here too? Does AHCI_IMX actually work if enabled?
>>
>> I tried recompiled the debian kernel 3.11-2-armmp_3.11.8-1_armhf
>> with a single add module AHCI_IMX, but it failed too...
>> The board did bootup but drop me in initramfs, and i tried modprobe
>> modules ahci_platform and ahci_imx, but it just don't work...
>>
>> Also, the DT blob that i testing is the imx6q-sabrelite.dtb
>> which include in the package and install in /usr/lib/`uname -r`
>>
>> Finally, I take a look to the linux-source-3.11 and figure out that the
>> DT source is neither defined any SATA or AHCI related in
>> imx6q-sabrelite.dts nor imx6q.dtsi...
>>
>> Probably, no chance.
>
> I can't actually see any device tree which declare a device compatible
> with fsl,imx6q-ahciq, which is what the driver binds too. Very
> suspicious...
>
> I'm going to enable AHCI_IMX anyway, assuming it at least builds for me.
> The DTS thing is something which would be best resolved by you
> approaching the upstream developers directly.
Small correction, the AHCI_IMX driver hit v3.11.x, but the dts binding
didn't hit till v3.12.x.
Backport this dts change and the sabrelite sata will work on v3.11.x..
(or wait for v3.12.x)
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/arch/arm/boot/dts?id=0fb1f804269e549b556b475c8655bc862c220622
Regards,
--
Robert Nelson
http://www.rcn-ee.com/
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