Re: [RFC][PATCH] ahci: Add support for Promise PDC42819

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Sep 2, 2008 at 9:19 PM, Jeff Garzik <jeff@xxxxxxxxxx> wrote:
> Mark Nelson wrote:
>>
>> Add an appropriate entry for the Promise PDC42819 controller. It has an
>> AHCI mode and seems to work correctly with board_ahci.
>>
>> This chip is found on Promise's FastTrak TX2650 (2 port) and TX4650 (4
>> port)
>> software-based RAID cards (for which there is a binary driver, t3sas) and
>> can be found on some motherboards, for example the MSI K9A2 Platinum,
>> which calls the chip a Promise T3 controller.
>>
>> Signed-off-by: Mark Nelson <mdnelson8@xxxxxxxxx>
>> ---
>> Apparently this chip also supports SAS disks, will these work with the
>> ahci driver (I've only tested with normal desktop SATA disks)?
>
> ahci is definitely SATA-only, so I wonder how they modified AHCI to support
> SAS transport...

That is a good question. From my understanding the controller is a SAS
controller that can drive SATA disks (as I guess all SAS controllers can
do...). Could it be that the controller can be setup to act as an AHCI
SATA controller or if the right registers are poked a SAS controller?

Thanks!

Mark

>
>        Jeff
>
>
>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux