Subversion Repositories openrisc

#ifndef CYGONCE_HAL_ARM_VAR_IO_H

#define CYGONCE_HAL_ARM_VAR_IO_H

/*=============================================================================

//

//      var_io.h

//

//      Platform specific support (register layout, etc)

//

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

//####ECOSGPLCOPYRIGHTBEGIN####

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

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

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

// Copyright (C) 2002 Gary Thomas

//

// 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.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.

//

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

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

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

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

//####ECOSGPLCOPYRIGHTEND####

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

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

//

// Author(s):    jskov

// Contributors: jskov, gthomas

// Date:         2002-01-28

// Purpose:      Platform specific support routines

// Description:

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

//

//####DESCRIPTIONEND####

//

//===========================================================================*/

#include <pkgconf/hal_arm_xscale_iop310.h>

#include <cyg/hal/hal_iop310.h>

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

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

#include <cyg/hal/plf_io.h>

extern cyg_uint32 cyg_hal_plf_pci_cfg_read_dword (cyg_uint32 bus,

                                                  cyg_uint32 devfn,

                                                  cyg_uint32 offset);

extern cyg_uint16 cyg_hal_plf_pci_cfg_read_word  (cyg_uint32 bus,

                                                  cyg_uint32 devfn,

                                                  cyg_uint32 offset);

extern cyg_uint8 cyg_hal_plf_pci_cfg_read_byte   (cyg_uint32 bus,

                                                  cyg_uint32 devfn,

                                                  cyg_uint32 offset);

extern void cyg_hal_plf_pci_cfg_write_dword (cyg_uint32 bus,

                                             cyg_uint32 devfn,

                                             cyg_uint32 offset,

                                             cyg_uint32 val);

extern void cyg_hal_plf_pci_cfg_write_word  (cyg_uint32 bus,

                                             cyg_uint32 devfn,

                                             cyg_uint32 offset,

                                             cyg_uint16 val);

extern void cyg_hal_plf_pci_cfg_write_byte   (cyg_uint32 bus,

                                              cyg_uint32 devfn,

                                              cyg_uint32 offset,

                                              cyg_uint8 val);

/* primary PCI bus definitions */

#ifndef PRIMARY_MEM_BASE

#define PRIMARY_BUS_NUM         0

#define PRIMARY_MEM_BASE        0x80000000

#define PRIMARY_DAC_BASE        0x84000000

#define PRIMARY_IO_BASE         0x90000000

#define PRIMARY_MEM_LIMIT       0x83ffffff

#define PRIMARY_DAC_LIMIT       0x87ffffff

#define PRIMARY_IO_LIMIT        0x9000ffff

#endif

/* secondary PCI bus definitions */

#ifndef SECONDARY_MEM_BASE

#define SECONDARY_BUS_NUM       1

#define SECONDARY_MEM_BASE      0x88000000

#define SECONDARY_DAC_BASE      0x8c000000

#define SECONDARY_IO_BASE       0x90010000

#define SECONDARY_MEM_LIMIT     0x8bffffff

#define SECONDARY_DAC_LIMIT     0x8fffffff

#define SECONDARY_IO_LIMIT      0x9001ffff

#endif

// Initialize the PCI bus.

externC void cyg_hal_plf_pci_init(void);

#define HAL_PCI_INIT() cyg_hal_plf_pci_init()

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

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

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

    __val = cyg_hal_plf_pci_cfg_read_byte((__bus),  (__devfn), (__offset))

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

    __val = cyg_hal_plf_pci_cfg_read_word((__bus),  (__devfn), (__offset))

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

    __val = cyg_hal_plf_pci_cfg_read_dword((__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.

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

    cyg_hal_plf_pci_cfg_write_byte((__bus),  (__devfn), (__offset), (__val))

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

    cyg_hal_plf_pci_cfg_write_word((__bus),  (__devfn), (__offset), (__val))

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

    cyg_hal_plf_pci_cfg_write_dword((__bus),  (__devfn), (__offset), (__val))

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

// Resources

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

#ifndef HAL_PCI_ALLOC_BASE_MEMORY

#define HAL_PCI_ALLOC_BASE_MEMORY (SECONDARY_MEM_BASE)

#define HAL_PCI_ALLOC_BASE_IO     (SECONDARY_IO_BASE)

#endif

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

#ifndef HAL_PCI_PHYSICAL_MEMORY_BASE

#define HAL_PCI_PHYSICAL_MEMORY_BASE    0x00000000

#define HAL_PCI_PHYSICAL_IO_BASE        0x00000000

#endif

// Some of SDRAM is aliased as uncached memory for drivers.

#ifndef CYGARC_UNCACHED_ADDRESS

#define CYGARC_UNCACHED_ADDRESS(_x_) \

  (((((unsigned long)(_x_)) >> 28)==0xA) ? (((unsigned long)(_x_))|0x40000000) : (unsigned long)(_x_))

#endif

#ifndef CYGARC_VIRT_TO_BUS

#define CYGARC_VIRT_TO_BUS(_x_) \

  (((((unsigned long)(_x_)) >> 28)==0xA) ? (unsigned long)(_x_) : (((unsigned long)(_x_))&~0x40000000))

#endif

#ifndef CYGARC_BUS_TO_VIRT

#define CYGARC_BUS_TO_VIRT(_x_) \

  (((((unsigned long)(_x_)) >> 28)==0xA) ? (((unsigned long)(_x_))|0x40000000) : (_x_))

#endif

#ifndef CYGARC_PHYSICAL_ADDRESS

#define CYGARC_PHYSICAL_ADDRESS(x) (x)

#endif

#endif // CYGONCE_HAL_ARM_VAR_IO_H

// EOF var_io.h