Hi Bin, -----Original Message----- From: Bin Meng <[email protected]> Sent: 2019年5月17日 10:31 To: Xiaowei Bao <[email protected]>; Ramon Fried <[email protected]>; Simon Glass <[email protected]> Cc: M.h. Lian <[email protected]>; Z.q. Hou <[email protected]>; Mingkai Hu <[email protected]>; Hongbo Wang <[email protected]>; York Sun <[email protected]>; [email protected]; Jiafei Pan <[email protected]> Subject: Re: [EXT] Re: [U-Boot] [PATCHv2 1/2] PCI: layerscape: Add Support for ls2088 PCIe EP mode
Caution: EXT Email Hi Xiaowei, On Fri, May 17, 2019 at 10:23 AM Xiaowei Bao <[email protected]> wrote: > > > > -----Original Message----- > From: Bin Meng <[email protected]> > Sent: 2019年5月16日 19:58 > To: Xiaowei Bao <[email protected]> > Cc: M.h. Lian <[email protected]>; Z.q. Hou > <[email protected]>; Mingkai Hu <[email protected]>; Hongbo Wang > <[email protected]>; York Sun <[email protected]>; > [email protected]; Jiafei Pan <[email protected]> > Subject: [EXT] Re: [U-Boot] [PATCHv2 1/2] PCI: layerscape: Add Support > for ls2088 PCIe EP mode > > Caution: EXT Email > > Hi, > > On Thu, May 16, 2019 at 7:02 PM Xiaowei Bao <[email protected]> wrote: > > > > From: Xiaowei Bao <[email protected]> > > > > Signed-off-by: hongbo.wang <[email protected]> > > Signed-off-by: Minghuan Lian <[email protected]> > > Signed-off-by: Xiaowei Bao <[email protected]> > > --- > > v2: > > - Add the NXP copyright and make the function readability. > > > > drivers/pci/pcie_layerscape.c | 117 > > +++++++++++++++++++++++++++-------------- > > drivers/pci/pcie_layerscape.h | 19 +++++-- > > 2 files changed, 91 insertions(+), 45 deletions(-) > > > > Could you please support the PCIe EP mode using driver model? > [Xiaowei Bao] do you mean that add a EP driver model to separate the RC and > EP with their respective drivers? That's correct. > The purpose of adding EP support under u-boot is to configure the size of the > BAR when the PCIE controller is used as an EP device, and to ensure that the > configuration space of the EP can be accessed, so that when the RC scans the > bus, the EP device can be scanned, and we also can do simple MEM read and > write verification through the md command in u-boot shell. > When entering the kernel, the kernel has its own PCIE EP framework, which > will reinitialize the EP device, contain of the inbound and outbound window > configure, MSI configuration and so no. > It's not kernel PCIe EP framework. Ramon Fried recently added PCIe EP uclass support to U-Boot and you should add NXP layerscape PCIe EP driver using the new EP uclass. [Xiaowei Bao] OK, thanks, I will add NXP layerscape PCIe EP driver using the new EP uclass. See https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fpatchwork.ozlabs.org%2Fproject%2Fuboot%2Flist%2F%3Fseries%3D104952&data=02%7C01%7Cxiaowei.bao%40nxp.com%7Ca1e3da7d57a54520bd3008d6da6fbc4d%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C1%7C636936570769296107&sdata=5CnEujEtYGbeiBEyv4iY5dXAapdQ65wCh1vs0quSVTY%3D&reserved=0 Regards, Bin _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
