Hi Fabio: > -----Original Message----- > From: Fabio Estevam [mailto:festevam@xxxxxxxxx] > Sent: Thursday, September 25, 2014 5:04 AM > To: Zhu Richard-R65037 > Cc: linux-pci-owner@xxxxxxxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx; Guo Shawn- > R65073; Lucas Stach; Tim Harvey > Subject: Re: [PATCH v2 1/5] PCI: imx6: enable pcie on imx6qdl sabreauto > > Hi Richard, > > On Tue, Sep 23, 2014 at 11:54 PM, Hong-Xing.Zhu@xxxxxxxxxxxxx <Hong- > Xing.Zhu@xxxxxxxxxxxxx> wrote: > > > [Richard] 6qdl sabreauto boards don't have the pcie reset gpio in the board > design at all. > > I have just downloaded the mx6 sabreauto board schematics from freescale.com > and it matches the one I have seen before. > > You can search for the CPU_PER_RST_B signal. It is connected via R785 > 0 ohm resistor to PCIE_RST_B. > > CPU_PER_RST_B can be controlled via MAX7310 pin IO/2. [Richard] Yes it is. On ARD board, the PCIE_RST_B is connected to CPU_PER_RST_B. But this is not one signal that can be controlled by PCIE module itself. It is kicked once at the moment when the board is powered up. Best Regards Richard Zhu ��.n��������+%������w��{.n�����{���"�)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
