linux-kernel - Re: Marvell eSATA - 88SE6121 on Asus M3A79-T Deluxe

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Date:	Tue, 11 May 2010 17:09:42 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Phil Turmel <pturmel-kernel@...mel.org>
CC:	Phil Reynolds <phil-linux@...sleyviaduct.com>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: Marvell eSATA - 88SE6121 on Asus M3A79-T Deluxe - not in AHCI

On 05/11/2010 02:28 PM, Phil Turmel wrote:
> On 05/11/2010 01:21 PM, Phil Reynolds wrote:
>> Quoting "Phil Turmel"<pturmel-kernel@...mel.org>:
>>
>>> I have a similar chipset in my office server: 88SE6145.  If yours can run
>>> in AHCI mode, you just need "ahci.marvell_enable=1" on your kernel
>>> command
>>> line, or "options ahci marvell_enable=1" in your modprobe.conf.  (I have
>>> ahci built-in, and no initramfs, so I put the option in my grub.conf.)
>>
>> Neither works for me unfortunately.
>>
>
> Hmmm.  If you post your dmesg, lspci, and config, I'll be happy to compare
> to my setup.  It might be something as simple as the Marvell driver loading
> first and claiming the device.
>
> The relevant part of my dmesg looks like this:
>
> [    4.802703] ahci 0000:06:00.0: PCI INT A ->  GSI 17 (level, low) ->  IRQ 17
> [    4.806351] ahci 0000:06:00.0: controller can't do NCQ, turning off CAP_NCQ
> [    4.809921] ahci 0000:06:00.0: controller can't do PMP, turning off CAP_PMP
> [    4.813334] ahci 0000:06:00.0: MV_AHCI HACK: port_map 1f ->  f
> [    4.816656] ahci 0000:06:00.0: Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.
> [    4.823333] ahci: SSS flag set, parallel bus scan disabled
> [    4.826765] ahci 0000:06:00.0: AHCI 0001.0000 32 slots 5 ports 3 Gbps 0xf impl RAID mode
> [    4.830240] ahci 0000:06:00.0: flags: 64bit stag slum part
> [    4.833810] ahci 0000:06:00.0: setting latency timer to 64
> [    4.834021] scsi4 : ahci
> [    4.837755] scsi5 : ahci
> [    4.841426] scsi6 : ahci
> [    4.844997] scsi7 : ahci
> [    4.848509] scsi8 : ahci
> [    4.851956] ata5: SATA max UDMA/133 irq_stat 0x02400000, PHY RDY changed irq 17
> [    4.855423] ata6: SATA max UDMA/133 irq_stat 0x02400000, PHY RDY changed irq 17
> [    4.858814] ata7: SATA max UDMA/133 abar m1024@...bfffc00 port 0xfbfffe00 irq 17
> [    4.862177] ata8: SATA max UDMA/133 abar m1024@...bfffc00 port 0xfbfffe80 irq 17
> [    4.865472] ata9: DUMMY
>
> The Marvell driver never gets a chance to claim my device, as it is disabled in
> my kernel config.  If you are using modules, you might want to blacklist "sata_mv".

sata_mv is not related to this hardware.

pata_marvell works with 6101/6121/6141/6145 PATA ports.

ahci works with 6101/6121/6141/6145 SATA ports, with marvell_enable=1.

	Jeff




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