Subversion Repositories openrisc

#ifndef CYGONCE_PLF_IO_H

#define CYGONCE_PLF_IO_H

//=============================================================================

//

//      plf_io.h

//

//      Platform specific IO support

//

//=============================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####                                            

// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under    

// the terms of the GNU General Public License as published by the Free     

// Software Foundation; either version 2 or (at your option) any later      

// version.                                                                 

//

// eCos 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 General Public License    

// for more details.                                                        

//

// You should have received a copy of the GNU General Public License        

// along with eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

// the GNU General Public License. However the source code for this file    

// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

//=============================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    hmt, jskov 

// Contributors: hmt, jskov, gthomas

// Date:         1999-08-09

// Purpose:      Fujitsu FR-V400 PCI IO support macros

// Description: 

// Usage:        #include <cyg/hal/plf_io.h>

//

//####DESCRIPTIONEND####

//

//=============================================================================

#include CYGBLD_HAL_PLATFORM_H

#include CYGBLD_HAL_PLF_DEFS_H

#include <cyg/hal/hal_io.h>             // IO macros

#include <cyg/hal/plf_ints.h>           // Interrupt vectors

// Restrict device [slot] space

#define CYG_PCI_MAX_BUS                       1  // Only one BUS

#define CYG_PCI_MIN_DEV                      16  // Slots start at 16

#define CYG_PCI_MAX_DEV                      21  // ... and end at 20

//-----------------------------------------------------------------------------

// Resources

// Map PCI device resources starting from these addresses in PCI space.

#define HAL_PCI_ALLOC_BASE_MEMORY                 0x28000000

#define HAL_PCI_ALLOC_BASE_IO                     0x24000000

// This is where the PCI spaces are mapped in the CPU's address space.

#define HAL_PCI_PHYSICAL_MEMORY_BASE              0 // 0x28000000

#define HAL_PCI_PHYSICAL_IO_BASE                  0 // 0x24000000

// These seem to be defined multiple ways?

#define CYGMEM_SECTION_pci_window                 0x20000000

#define CYGMEM_SECTION_pci_window_SIZE            0x00100000

#define CYGHWR_HAL_FRV_FRV400_PCI_MEM_MAP_BASE    0x20000000

#define CYGHWR_HAL_FRV_FRV400_PCI_MEM_MAP_SIZE    0x00100000

// Initialize the PCI environment

externC void _mb93091_pci_init(void);

#define HAL_PCI_INIT() \

  _mb93091_pci_init()

// Translate the PCI interrupt requested by the device (INTA#, INTB#,

// INTC# or INTD#) to the associated CPU interrupt (i.e., HAL vector).

externC void _mb93091_pci_translate_interrupt(int bus, int devfn, int *vec, int *valid);

#define HAL_PCI_TRANSLATE_INTERRUPT( __bus, __devfn, __vec, __valid) \

  _mb93091_pci_translate_interrupt(__bus, __devfn, &__vec, &__valid)

// Read a value from the PCI configuration space of the appropriate

// size at an address composed from the bus, devfn and offset.

externC cyg_uint8 _mb93091_pci_cfg_read_uint8(int bus, int dev, int offset);

#define HAL_PCI_CFG_READ_UINT8( __bus, __devfn, __offset, __val )  \

  __val = _mb93091_pci_cfg_read_uint8(__bus, __devfn, __offset)

externC cyg_uint16 _mb93091_pci_cfg_read_uint16(int bus, int dev, int offset);

#define HAL_PCI_CFG_READ_UINT16( __bus, __devfn, __offset, __val )  \

  __val = _mb93091_pci_cfg_read_uint16(__bus, __devfn, __offset)

externC cyg_uint32 _mb93091_pci_cfg_read_uint32(int bus, int dev, int offset);

#define HAL_PCI_CFG_READ_UINT32( __bus, __devfn, __offset, __val )  \

  __val = _mb93091_pci_cfg_read_uint32(__bus, __devfn, __offset)

// Write a value to the PCI configuration space of the appropriate

// size at an address composed from the bus, devfn and offset.

externC void _mb93091_pci_cfg_write_uint8(int bus, int dev, int offset, cyg_uint8 val);

#define HAL_PCI_CFG_WRITE_UINT8( __bus, __devfn, __offset, __val ) \

  _mb93091_pci_cfg_write_uint8(__bus, __devfn, __offset, __val)

externC void _mb93091_pci_cfg_write_uint16(int bus, int dev, int offset, cyg_uint16 val);

#define HAL_PCI_CFG_WRITE_UINT16( __bus, __devfn, __offset, __val ) \

  _mb93091_pci_cfg_write_uint16(__bus, __devfn, __offset, __val)

externC void _mb93091_pci_cfg_write_uint32(int bus, int dev, int offset, cyg_uint32 val);

#define HAL_PCI_CFG_WRITE_UINT32( __bus, __devfn, __offset, __val ) \

  _mb93091_pci_cfg_write_uint32(__bus, __devfn, __offset, __val)

externC cyg_bool _mb93091_has_vdk;

//-----------------------------------------------------------------------------

// end of plf_io.h

#endif // CYGONCE_PLF_IO_H