From: marex@denx•de (Marek Vasut)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH RFC] PCI: imx6: remove outbound io/mem ATU region mapping
Date: Wed, 4 Dec 2013 16:45:20 +0100 [thread overview]
Message-ID: <201312041645.21028.marex@denx.de> (raw)
In-Reply-To: <0E83723C55F66F43A6041464FE31119D47AB51@039-SN2MPN1-013.039d.mgd.msft.net>
On Wednesday, December 04, 2013 at 03:38:49 AM, Richard Zhu wrote:
[...]
> > > [Richard] One Pericom PI7C9X2G303EL pcie switch, and two pcie ep
> > > deivces(one is intel e1000e nic, the other is one xhci device) are
> > > tested on imx6q sabresd board.
> >
> > How/what does have such pericom switch and can be attached to an MX6
> > sabresdp ? Where can I get it?
>
> [Richard] You can apply the example from Pericom.
Which one? Please point me to a website or something here.
> > > Without removing outbound io/mem regions view map during the cfg0/1
> > > read/write cycle, both of these devices can't work well at my side.
> > > Works well after remove them during the cfg0/1 read/write cycles.
> >
> > Understood. Given that the iATU programming works on other CPUs
> > (confirmed on st spear and ti dra7xx), we might have some issues with
> > the iATU on MX6 . Is there anything special about the iATU on the MX6 ?
>
> [Richard] As I know that there is no anything special about the iATU on
> MX6. Let me to make a double check with IC team later.
Oh this would be absolutelly _amazing_ if you could do that. Thank you very
much!
[...]
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-12-04 15:45 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-23 4:55 [PATCH RFC] PCI: imx6: remove outbound io/mem ATU region mapping Tim Harvey
2013-10-23 5:04 ` Marek Vasut
2013-10-23 6:40 ` Pratyush Anand
2013-11-26 20:46 ` Marek Vasut
2013-11-27 3:50 ` Pratyush Anand
2013-11-27 7:42 ` Richard Zhu
2013-11-27 8:24 ` Marek Vasut
2013-11-27 8:36 ` Pratyush Anand
2013-11-27 8:45 ` Marek Vasut
2013-11-28 5:54 ` Jingoo Han
2013-11-29 2:21 ` Marek Vasut
2013-12-03 3:04 ` Richard Zhu
2013-12-03 9:19 ` Marek Vasut
2013-12-04 2:38 ` Richard Zhu
2013-12-04 15:45 ` Marek Vasut [this message]
2013-12-05 0:46 ` Richard Zhu
2013-11-25 23:09 ` Bjorn Helgaas
2013-11-26 20:47 ` Marek Vasut
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