imx6 eSATA

[Jean-Michel Hautbois]

Hi Russel,

2014-01-18 19:44 GMT+01:00 Russell King - ARM Linux <linux at arm.linux.org.uk>:
> So, I see we have AHCI support for SATA on the iMX6.  Great... but it
> doesn't work on the cubox-i, because the phy settings are wrong.
>
> The Cubox-i requires GPR13 set to 0x0593A044 - I haven't decoded what
> this means yet, but it's different from the 0x0593E4A4 which is
> currently hard-coded into the driver (and I've independently tested
> that this is indeed required.)

Pardon me if this is a naive question, but how do you know which value
is required for a specific board ?

Thanks,
JM