Subversion Repositories plb2wbbridge

//////////////////////////////////////////////////////////////////////

////                                                              ////

////  PLB2WB-Bridge                                               ////

////                                                              ////

////  This file is part of the PLB-to-WB-Bridge project           ////

////  http://opencores.org/project,plb2wbbridge                   ////

////                                                              ////

////  Description                                                 ////

////  Implementation of a PLB-to-WB-Bridge according to           ////

////  PLB-to-WB Bridge specification document.                    ////

////                                                              ////

////  To Do:                                                      ////

////   Nothing                                                    ////

////                                                              ////

////  Author(s):                                                  ////

////      - Christian Haettich                                    ////

////        feddischson@opencores.org                             ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

////                                                              ////

//// Copyright (C) 2010 Authors                                   ////

////                                                              ////

//// This source file may be used and distributed without         ////

//// restriction provided that this copyright statement is not    ////

//// removed from the file and that any derivative work contains  ////

//// the original copyright notice and the associated disclaimer. ////

////                                                              ////

//// This source file is free software; you can redistribute it   ////

//// and/or modify it under the terms of the GNU Lesser General   ////

//// Public License as published by the Free Software Foundation; ////

//// either version 2.1 of the License, or (at your option) any   ////

//// later version.                                               ////

////                                                              ////

//// This source is distributed in the hope that it will be       ////

//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////

//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////

//// PURPOSE.  See the GNU Lesser General Public License for more ////

//// details.                                                     ////

////                                                              ////

//// You should have received a copy of the GNU Lesser General    ////

//// Public License along with this source; if not, download it   ////

//// from http://www.opencores.org/lgpl.shtml                     ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

#ifndef PLB2WB_BRIDGE_H

#define PLB2WB_BRIDGE_H

#include "xparameters.h"

#include "xbasic_types.h"

#include "xintc.h"

//

// PLB2WB-Bridge registers and irq-id

//

#define PLB2WB_STATUS         0x00

#define PLB2WB_STATUS_DAT     0x04

#define PLB2WB_STATUS_ADR     0x08

#define PLB2WB_STATUS_IRQ     0x0c

#define PLB2WB_STATUS_CON     0x04

#define PLB2WB_STATUS_ABO     0x08

#define PLB2WB_STATUS_RST     0x0c

#define PLB2WB_STATUS_WERR    0x20000000

#define PLB2WB_STATUS_WBRST   0x40000000

#define PLB2WB_STATUS_WBIRQ   0x80000000

typedef struct {

        XInterruptHandler Handler;

        void *CallBackRef;

} PLB2WB_Bridge_VectorTableEntry;

typedef struct{

   u32 BaseAddress;

   u32 StatusBaseAddress;

   u16 DeviceId;

} PLB2WB_Bridge_Config;

typedef struct{

   u32 BaseAddress;

   u32 StatusBaseAddress;

   u32 IsReady;

        u32 UnhandledInterrupts;

   PLB2WB_Bridge_Config *CfgPtr;

   u8       irqID;

   XIntc*   xintcInstancePtr;

   PLB2WB_Bridge_VectorTableEntry HandlerTable[ XPAR_PLB2WB_BRIDGE_0_WB_PIC_INTS ]; // wishbone peripheral irqs

   PLB2WB_Bridge_VectorTableEntry WBWrErrorHandler;                                 // wishbone write error handler

   PLB2WB_Bridge_VectorTableEntry WBRstHandler;                                     // wishbone reset handler

}PLB2WB_Bridge;

extern PLB2WB_Bridge_Config PLB2WB_Bridge_ConfigTable[];

int   PLB2WB_Bridge_Initialize            ( PLB2WB_Bridge* InstancePtr,    u16 DeviceId,

                                            XIntc* xintcInstancePtr, u8 irqID             );

int   PLB2WB_Bridge_Connect               ( PLB2WB_Bridge*,  u8, XInterruptHandler, void* );

void  PLB2WB_Bridge_Disconnect            ( PLB2WB_Bridge * InstancePtr, u8 Id            );

void  PLB2WB_Bridge_DeviceInterruptHandler( void* ptr );

int   PLB2WB_Bridge_Connect_WBWrErrHandler( PLB2WB_Bridge* InstancePtr, XInterruptHandler Handler, void* CallBackRef );

int   PLB2WB_Bridge_Connect_WBRstHandler  ( PLB2WB_Bridge* InstancePtr, XInterruptHandler Handler, void* CallBackRef );

void  PLB2WB_Bridge_WBContinue            ( PLB2WB_Bridge* InstancePtr );

void  PLB2WB_Bridge_WBAbort               ( PLB2WB_Bridge* InstancePtr );

void  PLB2WB_Bridge_SoftReset             ( PLB2WB_Bridge* InstancePtr );

#endif