[PATCH] ARM: tegra: add PCIe-related pins to the Jetson TK1 pinmux tables

Mikko Perttunen mperttunen at nvidia.com
Mon Aug 25 03:55:11 PDT 2014


On 25/08/14 13:32, Andreas Färber wrote:
> Hi Stephen,
>
> Am 22.08.2014 23:18, schrieb Stephen Warren:
>> From: Stephen Warren <swarren at nvidia.com>
>>
>> This pinmux tables currently omit any configuration for PCIe clk_req,
>> wake, and rst pins, which in turn causes intermittent failures in
>> U-Boot's PCIe support. Import an updated version of the pinmux tables
>> which rectifies this.
>>
>> (While I'm still hoping to remove the pinmux tables from DTs for
>> Tegra124+ devices, while they're still here, they may as well be
>> complete and correct).
>>
>> Signed-off-by: Stephen Warren <swarren at nvidia.com>
>> ---
>>   arch/arm/boot/dts/tegra124-jetson-tk1.dts | 35 +++++++++++++++++++++++++++++++
>>   1 file changed, 35 insertions(+)
>
> I've tested this patch on both -rc1 and yesterday's torvalds/linux.git
> with tegra_defconfig: Both with or without this patch I get empty lspci
> output.
>
> There doesn't seem to be a tegra/linux.git for-next branch based on -rc1
> yet - are patches from other subsystem trees needed to get the on-board
> Ethernet detected or maybe some config option?

git://gitorious.org/thierryreding/linux.git staging/pci

>
> Or did you test PCIe via the on-board slot?
>
> I used U-Boot v2014.07, in case it matters.
>
> Thanks,
> Andreas
>

Cheers,
Mikko



More information about the linux-arm-kernel mailing list