[fedora-arm] F23 - multiport sata card on Cubietruck

[Robert Moskowitz]

On 09/17/2015 06:53 AM, Peter Robinson wrote:
> On Wed, Sep 16, 2015 at 10:00 PM, Robert Moskowitz <rgm at htt-consult.com> wrote:
>> I went searching for information on sata port multiplier and found:
>>
>> http://www.spinics.net/lists/arm-kernel/msg377619.html
>>
>> Is this still the status of this and if so how do I set AHCI_HFLAG_NO_PMP to
>> true?
> Well if you read the message you reference it states:
>
> "So add a module parameter to enable pmp usage, and default this to off, so
> that directly attached disks keep working normally."
>
> So it seems if you use a multiple you need to do a different option
> than without so it indicates it would need it. If you do "modinfo
> ahci_sunxi" you'll see that actually the patch has landed and there is
> a enable_pmp parameter. So you'll need to create something like
> /etc/modprobe.d/sunxi.conf and add a line "options ahci_sunxi
> enable_pmp=1" line (no I've not verified that is correct so you'll
> need to check it) and reboot.

Ah, thanks!  I will try that.  I was looking at: 
/boot/extlinux/extlinux.conf and adding to the append line something like:

AHCI_HFLAG_NO_PMP=0


So I would have been heading in the wrong direction...

>
> Peter
>
>> But it seems there were more messages about this...
>>
>>
>> On 09/16/2015 03:34 PM, Robert Moskowitz wrote:
>>> I figured out the various ports on the muitiport card and have 2 sata
>>> drives I am testing with.
>>>
>>> One drive works fine.  But two drives it is a bit of a guess which one
>>> will come in as /dev/sda (the mSD card is /dev/mmcblk0).  And only one drive
>>> is visible.  Or at least gparted is only seeing one.
>>>
>>>  From messages back last fall? I had that this board would let me use
>>> multiple sata drives, so there seems to be something I am missing.
>>>
>>> Right now each item has its own power supply:  Cubietruck, Multiport card,
>>> Drive1, and Drive2.  So it is not a power issue (or shouldn't be).
>>>
>>>
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