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SubjectRe: Marvell PATA-SATA bridge meets 2.4.x

It was me who pointed this fact out.

ATA-7 fails to address SATA w/ cable detect and now it reverts back to
ATA-5 mess :-(

I will post a patch for 2.4 for siimage.[ch] later showing how to fudge
the driver.

Cheers,


Andre Hedrick
LAD Storage Consulting Group

On Sat, 6 Mar 2004, Mike Fedyk wrote:

> Rumi Szabolcs wrote:
> > Hello!
> >
> > A while ago I reported a problem with the 2.4.22 kernel and the
> > tiny Marvell PATA to SATA bridge chip that is used on many of
> > the now-not-so-recent motherboards which don't have native
> > SATA ports in their southbridges.
> >
> > As it can be seen below, a native SATA150 drive is connected
> > to a SATA port implemented using that Marvell chip hooked up
> > to the ICH4's parallel ATA133 port and this way the drive is
> > only recognized (and used) as UDMA33:
> >
> > ICH4: IDE controller at PCI slot 00:1f.1
> > ICH4: chipset revision 2
> > ICH4: not 100% native mode: will probe irqs later
> > ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:pio, hdb:pio
> > ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:pio
> > hdc: ST3160023AS, ATA DISK drive
> > blk: queue c04a1ff4, I/O limit 4095Mb (mask 0xffffffff)
> > ide1 at 0x170-0x177,0x376 on irq 15
> > hdc: attached ide-disk driver.
> > hdc: host protected area => 1
> > hdc: 312581808 sectors (160042 MB) w/8192KiB Cache, CHS=19457/255/63, UDMA(33)
> >
> > As far as I can remember someone (Jeff Garzik?) suspected the
> > SATA cable not being recognized as a 80-conductor thus >=UDMA66
> > capable cable. Then it was told that there is a fix underway that
> > will be included in the 2.4.23 kernel. The above snippet shows
> > that the 2.4.25 kernel still has this problem. Any comments?
>
> You want to use a 2.6 kernel and talk to Bart, and Jeff about this...
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