[edk2-devel] [PATCH edk2-platforms v3 15/24] Silicon: NXP: Remove direct calls to SwapMmio* APIs

Leif Lindholm leif at nuviainc.com
Thu Apr 23 09:27:59 UTC 2020


On Wed, Apr 15, 2020 at 17:43:33 +0530, Pankaj Bansal wrote:
> From: Pankaj Bansal <pankaj.bansal at nxp.com>
> 
> The SwapMmio** APIs are supposed to be called indirectly via
> GetMmioOperations** APIs.
> Therefore, remove the SwapMmio** APIs from IoAccessLib.h and make
> these APIs STATIC to IoAccessLib.c, so that no accidental call can
> be made to these.
> 
> Signed-off-by: Pankaj Bansal <pankaj.bansal at nxp.com>
> ---
> 
> Notes:
>     - New commit

Thanks!

Reviewed-by: Leif Lindholm <leif at nuviainc.com>

> 
>  Silicon/NXP/Include/Library/IoAccessLib.h     | 236 +-------------------
>  Silicon/NXP/Library/IoAccessLib/IoAccessLib.c |  17 +-
>  Silicon/NXP/Library/SocLib/Chassis.c          |  10 +-
>  3 files changed, 22 insertions(+), 241 deletions(-)
> 
> diff --git a/Silicon/NXP/Include/Library/IoAccessLib.h b/Silicon/NXP/Include/Library/IoAccessLib.h
> index 0b708d544fa7..7b490744382c 100644
> --- a/Silicon/NXP/Include/Library/IoAccessLib.h
> +++ b/Silicon/NXP/Include/Library/IoAccessLib.h
> @@ -1,6 +1,6 @@
>  /** @file
>   *
> - *  Copyright 2017-2019 NXP
> + *  Copyright 2017-2020 NXP
>   *
>   * SPDX-License-Identifier: BSD-2-Clause-Patent
>   *
> @@ -89,238 +89,4 @@ GetMmioOperations64  (
>    IN  BOOLEAN  Swap
>    );
>  
> -/**
> -  MmioRead16 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to read.
> -
> -  @return The value read.
> -
> -**/
> -UINT16
> -EFIAPI
> -SwapMmioRead16 (
> -  IN  UINTN     Address
> -  );
> -
> -/**
> -  MmioRead32 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to read.
> -
> -  @return The value read.
> -
> -**/
> -UINT32
> -EFIAPI
> -SwapMmioRead32 (
> -  IN  UINTN     Address
> -  );
> -
> -/**
> -  MmioRead64 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to read.
> -
> -  @return The value read.
> -
> -**/
> -UINT64
> -EFIAPI
> -SwapMmioRead64 (
> -  IN  UINTN     Address
> -  );
> -
> -/**
> -  MmioWrite16 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  Value   The value to write to the MMIO register.
> -
> -**/
> -UINT16
> -EFIAPI
> -SwapMmioWrite16 (
> -  IN  UINTN     Address,
> -  IN  UINT16    Value
> -  );
> -
> -/**
> -  MmioWrite32 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  Value   The value to write to the MMIO register.
> -
> -**/
> -UINT32
> -EFIAPI
> -SwapMmioWrite32 (
> -  IN  UINTN     Address,
> -  IN  UINT32    Value
> -  );
> -
> -/**
> -  MmioWrite64 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  Value   The value to write to the MMIO register.
> -
> -**/
> -UINT64
> -EFIAPI
> -SwapMmioWrite64 (
> -  IN  UINTN     Address,
> -  IN  UINT64    Value
> -  );
> -
> -/**
> -  MmioAndThenOr16 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  AndData The value to AND with the read value from the MMIO register.
> -  @param  OrData  The value to OR with the result of the AND operation.
> -
> -  @return The value written back to the MMIO register.
> -
> -**/
> -UINT16
> -EFIAPI
> -SwapMmioAndThenOr16 (
> -  IN  UINTN     Address,
> -  IN  UINT16    AndData,
> -  IN  UINT16    OrData
> -  );
> -
> -/**
> -  MmioAndThenOr32 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  AndData The value to AND with the read value from the MMIO register.
> -  @param  OrData  The value to OR with the result of the AND operation.
> -
> -  @return The value written back to the MMIO register.
> -
> -**/
> -UINT32
> -EFIAPI
> -SwapMmioAndThenOr32 (
> -  IN  UINTN     Address,
> -  IN  UINT32    AndData,
> -  IN  UINT32    OrData
> -  );
> -
> -/**
> -  MmioAndThenOr64 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  AndData The value to AND with the read value from the MMIO register.
> -  @param  OrData  The value to OR with the result of the AND operation.
> -
> -  @return The value written back to the MMIO register.
> -
> -**/
> -UINT64
> -EFIAPI
> -SwapMmioAndThenOr64 (
> -  IN  UINTN     Address,
> -  IN  UINT64    AndData,
> -  IN  UINT64    OrData
> -  );
> -
> -/**
> -  MmioOr16 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  OrData  The value to OR with the read value from the MMIO register.
> -
> -  @return The value written back to the MMIO register.
> -
> -**/
> -UINT16
> -EFIAPI
> -SwapMmioOr16 (
> -  IN  UINTN     Address,
> -  IN  UINT16    OrData
> -  );
> -
> -/**
> -  MmioOr32 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  OrData  The value to OR with the read value from the MMIO register.
> -
> -  @return The value written back to the MMIO register.
> -
> -**/
> -UINT32
> -EFIAPI
> -SwapMmioOr32 (
> -  IN  UINTN     Address,
> -  IN  UINT32    OrData
> -  );
> -
> -/**
> -  MmioOr64 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  OrData  The value to OR with the read value from the MMIO register.
> -
> -  @return The value written back to the MMIO register.
> -
> -**/
> -UINT64
> -EFIAPI
> -SwapMmioOr64 (
> -  IN  UINTN     Address,
> -  IN  UINT64    OrData
> -  );
> -
> -/**
> -  MmioAnd16 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  AndData The value to AND with the read value from the MMIO register.
> -
> -  @return The value written back to the MMIO register.
> -
> -**/
> -UINT16
> -EFIAPI
> -SwapMmioAnd16 (
> -  IN  UINTN     Address,
> -  IN  UINT16    AndData
> -  );
> -
> -/**
> -  MmioAnd32 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  AndData The value to AND with the read value from the MMIO register.
> -
> -  @return The value written back to the MMIO register.
> -
> -**/
> -UINT32
> -EFIAPI
> -SwapMmioAnd32 (
> -  IN  UINTN     Address,
> -  IN  UINT32    AndData
> -  );
> -
> -/**
> -  MmioAnd64 for Big-Endian modules.
> -
> -  @param  Address The MMIO register to write.
> -  @param  AndData The value to AND with the read value from the MMIO register.
> -
> -  @return The value written back to the MMIO register.
> -
> -**/
> -UINT64
> -EFIAPI
> -SwapMmioAnd64 (
> -  IN  UINTN     Address,
> -  IN  UINT64    AndData
> -  );
> -
>  #endif /* IO_ACCESS_LIB_H_ */
> diff --git a/Silicon/NXP/Library/IoAccessLib/IoAccessLib.c b/Silicon/NXP/Library/IoAccessLib/IoAccessLib.c
> index 6ed83d019a6e..bb4a93b6f09a 100644
> --- a/Silicon/NXP/Library/IoAccessLib/IoAccessLib.c
> +++ b/Silicon/NXP/Library/IoAccessLib/IoAccessLib.c
> @@ -2,7 +2,7 @@
>  
>    Provide MMIO APIs for BE modules.
>  
> -  Copyright 2017-2019 NXP
> +  Copyright 2017-2020 NXP
>  
>    SPDX-License-Identifier: BSD-2-Clause-Patent
>  
> @@ -21,6 +21,7 @@
>    @return The value read.
>  
>  **/
> +STATIC
>  UINT16
>  EFIAPI
>  SwapMmioRead16 (
> @@ -38,6 +39,7 @@ SwapMmioRead16 (
>    @return The value read.
>  
>  **/
> +STATIC
>  UINT32
>  EFIAPI
>  SwapMmioRead32 (
> @@ -55,6 +57,7 @@ SwapMmioRead32 (
>    @return The value read.
>  
>  **/
> +STATIC
>  UINT64
>  EFIAPI
>  SwapMmioRead64 (
> @@ -71,6 +74,7 @@ SwapMmioRead64 (
>    @param  Value   The value to write to the MMIO register.
>  
>  **/
> +STATIC
>  UINT16
>  EFIAPI
>  SwapMmioWrite16 (
> @@ -88,6 +92,7 @@ SwapMmioWrite16 (
>    @param  Value   The value to write to the MMIO register.
>  
>  **/
> +STATIC
>  UINT32
>  EFIAPI
>  SwapMmioWrite32 (
> @@ -105,6 +110,7 @@ SwapMmioWrite32 (
>    @param  Value   The value to write to the MMIO register.
>  
>  **/
> +STATIC
>  UINT64
>  EFIAPI
>  SwapMmioWrite64 (
> @@ -125,6 +131,7 @@ SwapMmioWrite64 (
>    @return The value written back to the MMIO register.
>  
>  **/
> +STATIC
>  UINT16
>  EFIAPI
>  SwapMmioAndThenOr16 (
> @@ -149,6 +156,7 @@ SwapMmioAndThenOr16 (
>    @return The value written back to the MMIO register.
>  
>  **/
> +STATIC
>  UINT32
>  EFIAPI
>  SwapMmioAndThenOr32 (
> @@ -173,6 +181,7 @@ SwapMmioAndThenOr32 (
>    @return The value written back to the MMIO register.
>  
>  **/
> +STATIC
>  UINT64
>  EFIAPI
>  SwapMmioAndThenOr64 (
> @@ -196,6 +205,7 @@ SwapMmioAndThenOr64 (
>    @return The value written back to the MMIO register.
>  
>  **/
> +STATIC
>  UINT16
>  EFIAPI
>  SwapMmioOr16 (
> @@ -215,6 +225,7 @@ SwapMmioOr16 (
>    @return The value written back to the MMIO register.
>  
>  **/
> +STATIC
>  UINT32
>  EFIAPI
>  SwapMmioOr32 (
> @@ -234,6 +245,7 @@ SwapMmioOr32 (
>    @return The value written back to the MMIO register.
>  
>  **/
> +STATIC
>  UINT64
>  EFIAPI
>  SwapMmioOr64 (
> @@ -253,6 +265,7 @@ SwapMmioOr64 (
>    @return The value written back to the MMIO register.
>  
>  **/
> +STATIC
>  UINT16
>  EFIAPI
>  SwapMmioAnd16 (
> @@ -272,6 +285,7 @@ SwapMmioAnd16 (
>    @return The value written back to the MMIO register.
>  
>  **/
> +STATIC
>  UINT32
>  EFIAPI
>  SwapMmioAnd32 (
> @@ -291,6 +305,7 @@ SwapMmioAnd32 (
>    @return The value written back to the MMIO register.
>  
>  **/
> +STATIC
>  UINT64
>  EFIAPI
>  SwapMmioAnd64 (
> diff --git a/Silicon/NXP/Library/SocLib/Chassis.c b/Silicon/NXP/Library/SocLib/Chassis.c
> index 90677f0f36ca..d7bc55c9d275 100644
> --- a/Silicon/NXP/Library/SocLib/Chassis.c
> +++ b/Silicon/NXP/Library/SocLib/Chassis.c
> @@ -30,11 +30,11 @@ GurRead (
>    IN  UINTN     Address
>    )
>  {
> -  if (FixedPcdGetBool (PcdGurBigEndian)) {
> -    return SwapMmioRead32 (Address);
> -  } else {
> -    return MmioRead32 (Address);
> -  }
> +  MMIO_OPERATIONS_32  *GurOps;
> +
> +  GurOps = GetMmioOperations32 (FixedPcdGetBool (PcdGurBigEndian));
> +
> +  return GurOps->Read32 (Address);
>  }
>  
>  /*
> -- 
> 2.17.1
> 

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