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/*++
Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
CpuIo.h
Abstract:
CPU IO PPI defined in Tiano
CPU IO PPI abstracts CPU IO access
--*/
#ifndef _PEI_CPUIO_PPI_H_
#define _PEI_CPUIO_PPI_H_
#define PEI_CPU_IO_PPI_GUID \
{ \
0xe6af1f7b, 0xfc3f, 0x46da, {0xa8, 0x28, 0xa3, 0xb4, 0x57, 0xa4, 0x42, 0x82} \
}
EFI_FORWARD_DECLARATION (PEI_CPU_IO_PPI);
//
// *******************************************************
// PEI_CPU_IO_PPI_WIDTH
// *******************************************************
//
typedef enum {
PeiCpuIoWidthUint8,
PeiCpuIoWidthUint16,
PeiCpuIoWidthUint32,
PeiCpuIoWidthUint64,
PeiCpuIoWidthFifoUint8,
PeiCpuIoWidthFifoUint16,
PeiCpuIoWidthFifoUint32,
PeiCpuIoWidthFifoUint64,
PeiCpuIoWidthFillUint8,
PeiCpuIoWidthFillUint16,
PeiCpuIoWidthFillUint32,
PeiCpuIoWidthFillUint64,
PeiCpuIoWidthMaximum
} PEI_CPU_IO_PPI_WIDTH;
//
// *******************************************************
// PEI_CPU_IO_PPI_IO_MEM
// *******************************************************
//
typedef
EFI_STATUS
(EFIAPI *PEI_CPU_IO_PPI_IO_MEM) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN PEI_CPU_IO_PPI_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN OUT VOID *Buffer
);
//
// *******************************************************
// PEI_CPU_IO_PPI_ACCESS
// *******************************************************
//
typedef struct {
PEI_CPU_IO_PPI_IO_MEM Read;
PEI_CPU_IO_PPI_IO_MEM Write;
} PEI_CPU_IO_PPI_ACCESS;
//
// *******************************************************
// Base IO Class Functions
// *******************************************************
//
typedef
UINT8
(EFIAPI *PEI_CPU_IO_PPI_IO_READ8) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address
);
typedef
UINT16
(EFIAPI *PEI_CPU_IO_PPI_IO_READ16) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address
);
typedef
UINT32
(EFIAPI *PEI_CPU_IO_PPI_IO_READ32) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address
);
typedef
UINT64
(EFIAPI *PEI_CPU_IO_PPI_IO_READ64) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address
);
typedef
VOID
(EFIAPI *PEI_CPU_IO_PPI_IO_WRITE8) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address,
IN UINT8 Data
);
typedef
VOID
(EFIAPI *PEI_CPU_IO_PPI_IO_WRITE16) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address,
IN UINT16 Data
);
typedef
VOID
(EFIAPI *PEI_CPU_IO_PPI_IO_WRITE32) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address,
IN UINT32 Data
);
typedef
VOID
(EFIAPI *PEI_CPU_IO_PPI_IO_WRITE64) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address,
IN UINT64 Data
);
typedef
UINT8
(EFIAPI *PEI_CPU_IO_PPI_MEM_READ8) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address
);
typedef
UINT16
(EFIAPI *PEI_CPU_IO_PPI_MEM_READ16) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address
);
typedef
UINT32
(EFIAPI *PEI_CPU_IO_PPI_MEM_READ32) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address
);
typedef
UINT64
(EFIAPI *PEI_CPU_IO_PPI_MEM_READ64) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address
);
typedef
VOID
(EFIAPI *PEI_CPU_IO_PPI_MEM_WRITE8) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address,
IN UINT8 Data
);
typedef
VOID
(EFIAPI *PEI_CPU_IO_PPI_MEM_WRITE16) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address,
IN UINT16 Data
);
typedef
VOID
(EFIAPI *PEI_CPU_IO_PPI_MEM_WRITE32) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address,
IN UINT32 Data
);
typedef
VOID
(EFIAPI *PEI_CPU_IO_PPI_MEM_WRITE64) (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_CPU_IO_PPI * This,
IN UINT64 Address,
IN UINT64 Data
);
//
// *******************************************************
// PEI_CPU_IO_PPI
// *******************************************************
//
struct _PEI_CPU_IO_PPI {
PEI_CPU_IO_PPI_ACCESS Mem;
PEI_CPU_IO_PPI_ACCESS Io;
PEI_CPU_IO_PPI_IO_READ8 IoRead8;
PEI_CPU_IO_PPI_IO_READ16 IoRead16;
PEI_CPU_IO_PPI_IO_READ32 IoRead32;
PEI_CPU_IO_PPI_IO_READ64 IoRead64;
PEI_CPU_IO_PPI_IO_WRITE8 IoWrite8;
PEI_CPU_IO_PPI_IO_WRITE16 IoWrite16;
PEI_CPU_IO_PPI_IO_WRITE32 IoWrite32;
PEI_CPU_IO_PPI_IO_WRITE64 IoWrite64;
PEI_CPU_IO_PPI_MEM_READ8 MemRead8;
PEI_CPU_IO_PPI_MEM_READ16 MemRead16;
PEI_CPU_IO_PPI_MEM_READ32 MemRead32;
PEI_CPU_IO_PPI_MEM_READ64 MemRead64;
PEI_CPU_IO_PPI_MEM_WRITE8 MemWrite8;
PEI_CPU_IO_PPI_MEM_WRITE16 MemWrite16;
PEI_CPU_IO_PPI_MEM_WRITE32 MemWrite32;
PEI_CPU_IO_PPI_MEM_WRITE64 MemWrite64;
};
extern EFI_GUID gPeiCpuIoPpiInServiceTableGuid;
#endif
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