[PATCH v3 2/3] PCI: imx6: Implement reset sequence for i.MX6+

Gary Bisson gary.bisson at boundarydevices.com
Fri Apr 29 05:52:34 PDT 2016


Hi all,

On Fri, Apr 29, 2016 at 3:47 AM, Fabio Estevam <festevam at gmail.com> wrote:
> On Wed, Apr 20, 2016 at 12:45 PM, Andrey Smirnov
> <andrew.smirnov at gmail.com> wrote:
>> I.MX6+ has a dedicated bit for reseting PCIe core, which should be used
>> instead of a regular reset sequence since using the latter will hang the
>> SoC.
>>
>> This commit is based on c34068d48273e24d392d9a49a38be807954420ed from
>> http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git
>>
>> Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
>
> Reviewed-by: Fabio Estevam <fabio.estevam at nxp.com>

Tested on a Nitrogen6QP_MAX with an Intel WiFi Link 5300 PCIe card.
Everything is working properly (Gen1 speed).
# lspci
00:00.0 Class 0604: 16c3:abcd
01:00.0 Class 0280: 8086:4235

Tested-by: Gary Bisson <gary.bisson at boundarydevices.com>

Thanks,
Gary



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