Re: [U-Boot] [PATCH] mvebu: a38x: Force receiver detected on PCIe lanes

On 27.05.2018 17:34, Baruch Siach wrote: From: Rabeeh Khoury Some QCA988x based modules presence is not detected by the SERDES lanes, so force this detection which will trigger the LTSSM state machine to negotiate link. An example of such a card is WLE900VX. Signed-off-by: Rabeeh Khoury

Re: [U-Boot] [PATCH] mvebu: a38x: Force receiver detected on PCIe lanes

Hi Stefan, On Mon, May 28, 2018 at 4:49 PM, Stefan Roese wrote: > On 28.05.2018 15:15, Mario Six wrote: >> >> Hi Stefan, >> >> On Mon, May 28, 2018 at 2:52 PM, Stefan Roese wrote: >>> >>> (Added Mario and Chris) >>> >>> >>> On 27.05.2018 17:34, Baruch Siach wrote: From: Rabeeh

Re: [U-Boot] [PATCH] mvebu: a38x: Force receiver detected on PCIe lanes

> > >> > I understand that this might fix an issue on a specific board (ClearFog > in this case, correct?). But are you sure that its safe to force this > link detection for all A38x boards? > We have tested on clearfog-pro / base and two other custom boards that we have. On long traces this fix

Re: [U-Boot] [PATCH] mvebu: a38x: Force receiver detected on PCIe lanes

On Tue, May 29, 2018 at 12:52 AM Stefan Roese wrote: > (Added Mario and Chris) > On 27.05.2018 17:34, Baruch Siach wrote: > > From: Rabeeh Khoury > > > > Some QCA988x based modules presence is not detected by the SERDES lanes, > > so force this detection which will trigger the LTSSM state

Re: [U-Boot] [PATCH] mvebu: a38x: Force receiver detected on PCIe lanes

On 28.05.2018 15:15, Mario Six wrote: Hi Stefan, On Mon, May 28, 2018 at 2:52 PM, Stefan Roese wrote: (Added Mario and Chris) On 27.05.2018 17:34, Baruch Siach wrote: From: Rabeeh Khoury Some QCA988x based modules presence is not detected by the

Re: [U-Boot] [PATCH] mvebu: a38x: Force receiver detected on PCIe lanes

On 28.05.2018 16:16, Rabeeh Khoury wrote: I understand that this might fix an issue on a specific board (ClearFog in this case, correct?). But are you sure that its safe to force this link detection for all A38x boards? We have tested on clearfog-pro / base and two other custom

Re: [U-Boot] [PATCH] mvebu: a38x: Force receiver detected on PCIe lanes

Hi Stefan, On Mon, May 28, 2018 at 2:52 PM, Stefan Roese wrote: > (Added Mario and Chris) > > > On 27.05.2018 17:34, Baruch Siach wrote: >> >> From: Rabeeh Khoury >> >> Some QCA988x based modules presence is not detected by the SERDES lanes, >> so force this

Re: [U-Boot] [PATCH] mvebu: a38x: Force receiver detected on PCIe lanes

(Added Mario and Chris) On 27.05.2018 17:34, Baruch Siach wrote: From: Rabeeh Khoury Some QCA988x based modules presence is not detected by the SERDES lanes, so force this detection which will trigger the LTSSM state machine to negotiate link. An example of such a card

[U-Boot] [PATCH] mvebu: a38x: Force receiver detected on PCIe lanes

From: Rabeeh Khoury Some QCA988x based modules presence is not detected by the SERDES lanes, so force this detection which will trigger the LTSSM state machine to negotiate link. An example of such a card is WLE900VX. Signed-off-by: Rabeeh Khoury