Dear Lv Terry-R65388,
> Hi Pavel,
>
> The ahci.c is a ahci driver using pci interface, while dwc_asata is not.
>
>u-boot don't have a pure ahci driver now, thus we have to reuse some
ahci
> parts from ahci.c in dwc_asata.c.
Ok, I think we can unify that eventually.
> Thanks~~
>
> Yours
> Terry
>
> -Original Message-
> From: u-boot-boun...@lists.denx.de [mailto:u-boot-boun...@lists.denx.de] On
> Behalf Of Stefano Babic Sent: 2012?7?29? 14:56
> To: Pavel Herrmann
> Cc: u-boot@lists.denx.de; u-boot...@lists.denx.de
> Subject: Re: [U-Boot] dwc_ahsata vs ahci
>
> On 28/07/2012 15:44, Pavel Herrmann wrote:
> > Hi,
>
> Hi Pavel,
>
> > While working on the DM project, I found out that there are two
> > implementations of AHCI drivers - one in block/ahci.c, one in
> > block/dwc_ahsata.c
>
> ooopppss !
>
> > what is the difference between them (apart from the obvious, ahci.c
> > exposes SCSI API, dwc_ahsata exposes SATA API)? are there any problems
> > that would prevent me from merging them?
>
> No, there are not evident reasons !
>
> dwc_asata was inserted to add SATA support for Freescale MX5 family, and I
> missed that a similar driver was already in u-boot. dwc_ahsata was ported
> from Freescale's u-boot, and linked only for MX5 / MX6 SOCs. I think it is
> a very good idea to merge the two drivers (dwc_ahsata seems an updated
> version of the original driver), thanks to note this !
>
> Best regards,
> Stefano Babic
>
> --
> =
> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sba...@denx.de
> =
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Best regards,
Marek Vasut
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