[edk2-devel] [PATCH edk2-platforms v2 2/3] Silicon/NXP: LS1043A: Add SerDes Support
Wasim Khan (OSS)
wasim.khan at oss.nxp.com
Mon Jun 8 16:50:34 UTC 2020
> -----Original Message-----
> From: Leif Lindholm <leif at nuviainc.com>
> Sent: Monday, June 8, 2020 9:00 PM
> To: Wasim Khan (OSS) <wasim.khan at oss.nxp.com>
> Cc: devel at edk2.groups.io; Meenakshi Aggarwal
> <meenakshi.aggarwal at nxp.com>; Varun Sethi <V.Sethi at nxp.com>;
> ard.biesheuvel at arm.com; Wasim Khan <wasim.khan at nxp.com>
> Subject: Re: [PATCH edk2-platforms v2 2/3] Silicon/NXP: LS1043A: Add SerDes
> Support
>
> On Sun, Jun 07, 2020 at 18:45:49 +0530, Wasim Khan wrote:
> > From: Wasim Khan <wasim.khan at nxp.com>
> >
> > Based on SerDes protocol value in reset configuration word (RCW)
> > different IP blocks gets enabled in HW.
> > Add SoC specific SerDes configuration for LS1043A, which can be used
> > by different IPs to know the enabled interfaces and perform the
> > required initialization.
> >
> > Signed-off-by: Wasim Khan <wasim.khan at nxp.com>
> > ---
> >
> > Notes:
> > Changes in V2:
> > - Addressed review comments for structure, variable and function names
> > - Removed SocSerDes.h and moved data definitions to SerDes.c
> >
> > Silicon/NXP/LS1043A/LS1043A.dsc.inc | 2 +
> > Silicon/NXP/LS1043A/Library/SocLib/SocLib.inf | 6 +
> > Silicon/NXP/Include/Library/SerDes.h | 28 +++++
> > Silicon/NXP/LS1043A/Library/SocLib/SerDes.c | 132 ++++++++++++++++++++
> > 4 files changed, 168 insertions(+)
> >
> > diff --git a/Silicon/NXP/LS1043A/LS1043A.dsc.inc
> > b/Silicon/NXP/LS1043A/LS1043A.dsc.inc
> > index e023bfbc7c04..1ac7c6da7092 100644
> > --- a/Silicon/NXP/LS1043A/LS1043A.dsc.inc
> > +++ b/Silicon/NXP/LS1043A/LS1043A.dsc.inc
> > @@ -12,6 +12,7 @@
> > [LibraryClasses.common]
> > SocLib|Silicon/NXP/LS1043A/Library/SocLib/SocLib.inf
> > SerialPortLib|Silicon/NXP/Library/DUartPortLib/DUartPortLib.inf
> > +
> > + SerDesHelperLib|Silicon/NXP/Library/SerDesHelperLib/SerDesHelperLib.
> > + inf
> >
> >
> >
> #################################################################
> #####
> > ##########
> > #
> > @@ -37,4 +38,5 @@ [PcdsFixedAtBuild.common]
> > gNxpQoriqLsTokenSpaceGuid.PcdNumPciController|3
> > gNxpQoriqLsTokenSpaceGuid.PcdPcieLutBase|0x10000
> > gNxpQoriqLsTokenSpaceGuid.PcdPcieLutDbg|0x7FC
> > + gNxpQoriqLsTokenSpaceGuid.PcdSerDesLanes|0x4
> > ##
> > diff --git a/Silicon/NXP/LS1043A/Library/SocLib/SocLib.inf
> > b/Silicon/NXP/LS1043A/Library/SocLib/SocLib.inf
> > index 3d0f988e1c67..728e8f0c8ee1 100644
> > --- a/Silicon/NXP/LS1043A/Library/SocLib/SocLib.inf
> > +++ b/Silicon/NXP/LS1043A/Library/SocLib/SocLib.inf
> > @@ -22,6 +22,12 @@ [Packages]
> > [LibraryClasses]
> > ChassisLib
> > DebugLib
> > + PcdLib
> > + SerDesHelperLib
> >
> > [Sources.common]
> > + SerDes.c
> > SocLib.c
> > +
> > +[FixedPcd]
> > + gNxpQoriqLsTokenSpaceGuid.PcdSerDesLanes
> > diff --git a/Silicon/NXP/Include/Library/SerDes.h
> > b/Silicon/NXP/Include/Library/SerDes.h
> > new file mode 100644
> > index 000000000000..f015b40403c5
> > --- /dev/null
> > +++ b/Silicon/NXP/Include/Library/SerDes.h
> > @@ -0,0 +1,28 @@
> > +/** SerDes.h
> > + Header file for SoC specific SerDes routines
> > +
> > + Copyright 2017-2020 NXP
> > +
> > + SPDX-License-Identifier: BSD-2-Clause-Patent **/
> > +
> > +#ifndef SERDES_H
> > +#define SERDES_H
> > +
> > +VOID
> > +GetSerDesProtocolMap (
> > + OUT UINT64 *SerDesProtocolMap
> > + );
> > +
> > +typedef VOID
> > +(*SERDES_PROBE_LANES_CALLBACK) (
> > + IN UINT32 LaneProtocol,
> > + IN VOID *Arg
> > + );
> > +
> > +VOID
> > +SerDesProbeLanes (
> > + IN SERDES_PROBE_LANES_CALLBACK SerDesLaneProbeCallback,
> > + IN VOID *Arg
> > + );
> > +#endif
> > diff --git a/Silicon/NXP/LS1043A/Library/SocLib/SerDes.c
> > b/Silicon/NXP/LS1043A/Library/SocLib/SerDes.c
> > new file mode 100644
> > index 000000000000..90fa7146faa7
> > --- /dev/null
> > +++ b/Silicon/NXP/LS1043A/Library/SocLib/SerDes.c
> > @@ -0,0 +1,132 @@
> > +/** SerDes.c
> > + Provides SoC specific SerDes interface
> > +
> > + Copyright 2017-2020 NXP
> > +
> > + SPDX-License-Identifier: BSD-2-Clause-Patent **/
> > +
> > +#include <Library/ChassisLib.h>
> > +#include <Library/DebugLib.h>
> > +#include <Library/SerDesHelperLib.h>
> > +#include <Soc.h>
> > +#include <Uefi.h>
> > +
> > +// SerDes1 Protocol Mask in Reset Configuration Word (RCW) Status Register
> > +#define SERDES1_PROTOCOL_MASK 0xffff0000
> > +
> > +// SerDes1 Protocol Shift in Reset Configuration Word (RCW) Status Register
> > +#define SERDES1_PROTOCOL_SHIFT 16
> > +
> > +typedef enum {
> > + NONE = 0,
> > + PCIE1,
> > + PCIE2,
> > + PCIE3,
> > + SATA,
> > + SGMII_FM1_DTSEC1,
> > + SGMII_FM1_DTSEC2,
> > + SGMII_FM1_DTSEC5,
> > + SGMII_FM1_DTSEC6,
> > + SGMII_FM1_DTSEC9,
> > + SGMII_FM1_DTSEC10,
> > + QSGMII_FM1_A,
> > + XFI_FM1_MAC9,
> > + XFI_FM1_MAC10,
> > + SGMII_2500_FM1_DTSEC2,
> > + SGMII_2500_FM1_DTSEC5,
> > + SGMII_2500_FM1_DTSEC9,
> > + SGMII_2500_FM1_DTSEC10,
> > + SERDES_PROTOCOL_COUNT
> > +} SERDES_PROTOCOL;
>
> Thanks for moving the static structs over here.
> The typedef was fine in the .h though - are you not going to need it there at
> some point?
Yes, we may need it later . Thanks for catching this.
>
> > +
> > +SERDES_CONFIG gSerDes1ConfigTable[] = {
> > + {0x1555, {XFI_FM1_MAC9, PCIE1, PCIE2, PCIE3 } },
> > + {0x2555, {SGMII_2500_FM1_DTSEC9, PCIE1, PCIE2, PCIE3 } },
> > + {0x4555, {QSGMII_FM1_A, PCIE1, PCIE2, PCIE3 } },
> > + {0x4558, {QSGMII_FM1_A, PCIE1, PCIE2, SATA } },
> > + {0x1355, {XFI_FM1_MAC9, SGMII_FM1_DTSEC2, PCIE2, PCIE3 } },
> > + {0x2355, {SGMII_2500_FM1_DTSEC9, SGMII_FM1_DTSEC2, PCIE2, PCIE3 }
> > +},
> > + {0x3335, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC5,
> > +PCIE3 } },
> > + {0x3355, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC2, PCIE2, PCIE3 } },
> > + {0x3358, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC2, PCIE2, SATA } },
> > + {0x3555, {SGMII_FM1_DTSEC9, PCIE1, PCIE2, PCIE3 } },
> > + {0x3558, {SGMII_FM1_DTSEC9, PCIE1, PCIE2, SATA } },
> > + {0x7000, {PCIE1, PCIE1, PCIE1, PCIE1 } },
> > + {0x9998, {PCIE1, PCIE2, PCIE3, SATA } },
> > + {0x6058, {PCIE1, PCIE1, PCIE2, SATA } },
> > + {0x1455, {XFI_FM1_MAC9, QSGMII_FM1_A, PCIE2, PCIE3 } },
> > + {0x2455, {SGMII_2500_FM1_DTSEC9, QSGMII_FM1_A, PCIE2, PCIE3 } },
> > + {0x2255, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC2, PCIE2,
> > +PCIE3 } },
> > + {0x3333, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC5,
> > +SGMII_FM1_DTSEC6 } },
> > + {0x1460, {XFI_FM1_MAC9, QSGMII_FM1_A, PCIE3, PCIE3 } },
> > + {0x2460, {SGMII_2500_FM1_DTSEC9, QSGMII_FM1_A, PCIE3, PCIE3 } },
> > + {0x3460, {SGMII_FM1_DTSEC9, QSGMII_FM1_A, PCIE3, PCIE3 } },
> > + {0x3455, {SGMII_FM1_DTSEC9, QSGMII_FM1_A, PCIE2, PCIE3 } },
> > + {0x9960, {PCIE1, PCIE2, PCIE3, PCIE3 } },
> > + {0x2233, {SGMII_2500_FM1_DTSEC9, SGMII_FM1_DTSEC2,
> > +SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6 } },
> > + {0x2533, {SGMII_2500_FM1_DTSEC9, PCIE1, SGMII_FM1_DTSEC5,
> > +SGMII_FM1_DTSEC6 } },
> > + {}
> > +};
> > +
> > +SERDES_CONFIG *gSerDesConfig[] = {
> > + gSerDes1ConfigTable
> > +};
> > +
> > +/**
> > + Probe all SerDes for lane protocol and execute provided callback function.
> > +
> > + @param SerDesLaneProbeCallback Pointer Callback function to be called
> for Lane protocol
> > + @param Arg Pointer to Arguments to be passed to callback
> function.
> > +
> > +**/
> > +VOID
> > +SerDesProbeLanes (
> > + IN SERDES_PROBE_LANES_CALLBACK SerDesLaneProbeCallback,
> > + IN VOID *Arg
> > + )
> > +{
> > + UINT32 SerDesProtocol;
> > + LS1043A_DEVICE_CONFIG *DeviceConfig;
> > +
> > + DeviceConfig = (LS1043A_DEVICE_CONFIG *)LS1043A_DCFG_ADDRESS;
> > + SerDesProtocol = DcfgRead32 ((UINTN)&DeviceConfig->RcwSr[4]) &
> > + SERDES1_PROTOCOL_MASK; SerDesProtocol >>=
> SERDES1_PROTOCOL_SHIFT;
> > +
> > + SerDesInstanceProbeLanes (SERDES_1, SerDesProtocol,
> > + FixedPcdGet8 (PcdSerDesLanes),
> > + SERDES_PROTOCOL_COUNT,
> > + gSerDesConfig[SERDES_1],
> > + SerDesLaneProbeCallback,
> > + Arg);
>
> And this indentation is a bit funky.
>
> > +}
> > +
> > +/**
> > + Function to return SerDes protocol map for all SerDes available on board.
> > +
> > + @param SerDesProtocolMap Pointer to SerDes protocl map.
> > +
> > +**/
> > +VOID
> > +GetSerDesProtocolMap (
> > + OUT UINT64 *SerDesProtocolMap
> > + )
> > +{
> > + UINT32 SerDesProtocol;
> > + LS1043A_DEVICE_CONFIG *DeviceConfig;
> > + EFI_STATUS Status;
> > +
> > + *SerDesProtocolMap = 0;
> > + DeviceConfig = (LS1043A_DEVICE_CONFIG *)LS1043A_DCFG_ADDRESS;
> > + SerDesProtocol = DcfgRead32 ((UINTN)&DeviceConfig->RcwSr[4]) &
> > + SERDES1_PROTOCOL_MASK; SerDesProtocol >>=
> SERDES1_PROTOCOL_SHIFT;
> > +
> > + Status = GetSerDesMap (SERDES_1, SerDesProtocol, FixedPcdGet8
> (PcdSerDesLanes),
> > + SERDES_PROTOCOL_COUNT, gSerDesConfig[SERDES_1],
> > + SerDesProtocolMap);
>
> As is this one, in a different way to the one above.
>
> /
> Leif
>
> > +
> > + if (Status != EFI_SUCCESS) {
> > + DEBUG ((DEBUG_ERROR, "%a: failed for SerDes1 \n",__FUNCTION__));
> > + *SerDesProtocolMap = 0;
> > + }
> > +}
> > --
> > 2.7.4
> >
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