> -----Original Message-----
> From: Ard Biesheuvel [mailto:ard.biesheu...@linaro.org]
> Sent: Thursday, January 04, 2018 5:03 PM
> To: Meenakshi Aggarwal <meenakshi.aggar...@nxp.com>
> Cc: star.z...@intel.com; eric.d...@intel.com; Leif Lindholm
> <leif.lindh...@linaro.org>; Kinney, Michael D
> <michael.d.kin...@intel.com>; edk2-devel@lists.01.org; Udit Kumar
> <udit.ku...@nxp.com>; Varun Sethi <v.se...@nxp.com>
> Subject: Re: [PATCH edk2-platforms 0/3] Cover letter:Pci Emulation and SATA
> support
>
> On 4 January 2018 at 11:27, Meenakshi Aggarwal
> <meenakshi.aggar...@nxp.com> wrote:
> > Hi Ard,
> >
> >
> > I tried using NonDiscoverablePciDeviceDxe driver for SATA (AHCI), but on
> using this my SATA drive is not been detected by UEFI.
> >
> > Below is the reason of error:
> >
> > From EnumerateAttachedDevice() function AhciModeInitialization()
> function gets called.
> >
> > In AhciModeInitialization() under else loop i am receiving EFI_TIMEOUT
> from AhciIdentify()
> >
> > } else if ((Data & EFI_AHCI_ATAPI_SIG_MASK) ==
> EFI_AHCI_ATA_DEVICE_SIG) {
> > Status = AhciIdentify (PciIo, AhciRegisters, Port, 0, &Buffer);
> >
> > if (EFI_ERROR (Status)) {
> > REPORT_STATUS_CODE (EFI_PROGRESS_CODE,
> (EFI_PERIPHERAL_FIXED_MEDIA | EFI_P_EC_NOT_DETECTED));
> > continue;
> > }
> >
> > DeviceType = EfiIdeHarddisk;
> >
> > Then i check In AhciIdentify() function.
> > Here, AhciPioTransfer() calls AhciCheckMemSet() to read PioFisReceived
> and D2hFisReceived.
> > And AhciCheckMemSet() returns EFI_NOT_READY for both cases.
> > So timeout occurs.
> >
> > I tried to compare PciEmulation layer and NonDiscoverablePciDeviceDxe
> but not able to find much difference.
> >
> > Please suggest what can possibly i am missing.
> >
>
> Does it work for XHCI?
>
I have not tried XHCI yet.
>
> >> -----Original Message-----
> >> From: Ard Biesheuvel [mailto:ard.biesheu...@linaro.org]
> >> Sent: Friday, December 22, 2017 9:02 PM
> >> To: Meenakshi Aggarwal <meenakshi.aggar...@nxp.com>
> >> Cc: Leif Lindholm <leif.lindh...@linaro.org>; Kinney, Michael D
> >> <michael.d.kin...@intel.com>; edk2-devel@lists.01.org; Udit Kumar
> >> <udit.ku...@nxp.com>; Varun Sethi <v.se...@nxp.com>
> >> Subject: Re: [PATCH edk2-platforms 0/3] Cover letter:Pci Emulation and
> SATA
> >> support
> >>
> >> On 22 December 2017 at 12:16, Meenakshi Aggarwal
> >> <meenakshi.aggar...@nxp.com> wrote:
> >> > Following patches add support for pci emulation layer
> >> > and SATA on NXP boards.
> >> >
> >> > Null Library for USB is also present to give completeness
> >> > to Pci Emulation layer.
> >> >
> >> > Meenakshi Aggarwal (3):
> >> > USB: Added Support of DWC3 USB controller.
> >> > PciEmulation : Add support for Pci Emulation layer.
> >> > SATA : Added SATA controller initialization driver.
> >> >
> >>
> >> Please don't add PCI emulation drivers. Instead, we have
> >> NonDiscoverablePciDeviceDxe that supports AHCI, XHCI, EHCI, OHCI,
> >> UHCI, UFS, NVME and SDHCI platform devices.
> >>
> >> > Platform/NXP/Drivers/PciEmulation/PciEmulation.c | 624
> >> +++++++++++++++++++++
> >> > Platform/NXP/Drivers/PciEmulation/PciEmulation.h | 306 ++++++++++
> >> > Platform/NXP/Drivers/PciEmulation/PciEmulation.inf | 54 ++
> >> > .../NXP/Drivers/PciEmulation/PciRootBridgeIo.c | 286 ++++++++++
> >> > Platform/NXP/Drivers/SataInitDxe/SataInit.c | 122 ++++
> >> > Platform/NXP/Drivers/SataInitDxe/SataInit.h | 32 ++
> >> > Platform/NXP/Drivers/SataInitDxe/SataInitDxe.inf | 43 ++
> >> > .../NXP/Library/UsbHcdNullLibrary/UsbHcdLibNull.c | 25 +
> >> > .../NXP/Library/UsbHcdNullLibrary/UsbHcdNull.inf | 28 +
> >> > Platform/NXP/NxpQoriqLs.dec | 14 +-
> >> > Platform/NXP/NxpQoriqLs.dsc | 15 +
> >> > 11 files changed, 1547 insertions(+), 2 deletions(-)
> >> > create mode 100644
> Platform/NXP/Drivers/PciEmulation/PciEmulation.c
> >> > create mode 100755
> Platform/NXP/Drivers/PciEmulation/PciEmulation.h
> >> > create mode 100644
> Platform/NXP/Drivers/PciEmulation/PciEmulation.inf
> >> > create mode 100644
> >> Platform/NXP/Drivers/PciEmulation/PciRootBridgeIo.c
> >> > create mode 100644 Platform/NXP/Drivers/SataInitDxe/SataInit.c
> >> > create mode 100644 Platform/NXP/Drivers/SataInitDxe/SataInit.h
> >> > create mode 100644 Platform/NXP/Drivers/SataInitDxe/SataInitDxe.inf
> >> > create mode 100644
> >> Platform/NXP/Library/UsbHcdNullLibrary/UsbHcdLibNull.c
> >> > create mode 100644
> >> Platform/NXP/Library/UsbHcdNullLibrary/UsbHcdNull.inf
> >> >
> >> > --
> >> > 1.9.1
> >> >
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