SiI3811 PATA->SATA bridge not working on OpenRD-Base

[Sascha Silbe <sascha-ml-linux-kernel-ide@xxxxxxxxx>]

Hi!

I can't get a SiI3811-based PATA (device) -> SATA (host) converter to 
work on my OpenRD-Base (ARMv5TE) running 2.6.32-rc7 (and -rc4 before 
that), even though
a) the converter is working fine (with the same hard disk(s) attached) 
on my PC (amd64, 2.6.26-2-amd64 from Debian),
b) a native SATA HD is working on the OpenRD-Base and
c) U-Boot (bootloader) is showing the PATA HD quite fine.

Both hard disk and converter are powered via an external power supply, 
so power draw isn't an issue.

The error messages are:

Nov 13 21:05:02 flatty kernel: ata2: hard resetting link
Nov 13 21:05:03 flatty kernel: ata2: SATA link up 1.5 Gbps (SStatus 113 
SControl F300)
Nov 13 21:05:03 flatty kernel: ata2.00: failed to IDENTIFY (I/O error, 
err_mask=0x2)
Nov 13 21:05:08 flatty kernel: ata2: hard resetting link
Nov 13 21:05:08 flatty kernel: ata2: SATA link up 1.5 Gbps (SStatus 113 
SControl F300)
Nov 13 21:05:08 flatty kernel: ata2.00: failed to IDENTIFY (I/O error, 
err_mask=0x2)
Nov 13 21:05:08 flatty kernel: ata2: limiting SATA link speed to 1.5 
Gbps
Nov 13 21:05:13 flatty kernel: ata2: hard resetting link
Nov 13 21:05:14 flatty kernel: ata2: SATA link up 1.5 Gbps (SStatus 113 
SControl F310)
Nov 13 21:05:14 flatty kernel: ata2.00: failed to IDENTIFY (I/O error, 
err_mask=0x2)
Nov 13 21:05:19 flatty kernel: ata2: hard resetting link
Nov 13 21:05:19 flatty kernel: ata2: SATA link up 1.5 Gbps (SStatus 113 
SControl F310)
Nov 13 21:05:19 flatty kernel: ata2: EH complete


Is there a way to figure out what component is to blame? I.e. whether 
its the SATA host adapter driver (sata_mv) or something more generic?

CU Sascha

--
http://sascha.silbe.org/
http://www.infra-silbe.de/

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