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#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 Red Hat, Inc.

//

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// 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

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//

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

//

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

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

//####ECOSGPLCOPYRIGHTEND####

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

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

//

// Author(s):    tmichals

// Contributors: hmt, jskov, nickg

// Date:         2003-02-13

// Purpose:      IDT79s334a platform IO support

// Description: 

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

//

//####DESCRIPTIONEND####

//

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

#include <pkgconf/hal.h>

#include <cyg/hal/hal_misc.h>

#include <cyg/hal/hal_arch.h>

#include <cyg/hal/plf_intr.h>

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

__externC void cyg_plf_pci_init(void);

// Initialization of the PCI bus.

#define HAL_PCI_INIT() hal_rc334PciInit()

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

#define HAL_PCI_ALLOC_BASE_MEMORY 0x00100000

#define HAL_PCI_ALLOC_BASE_IO     0x18800000

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

#define HAL_PCI_PHYSICAL_MEMORY_BASE   0xA0000000

#define HAL_PCI_PHYSICAL_IO_BASE       0xA0000000

#define PCI_MEM_BASE            0x40000000   // 512M to xxx

#define PCI_IO_BASE             0x18000000   // 16M to xxx

#define PCI_CONFIG_BASE         0x60000000   // 16M to xxx

// 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 = ecosPciConfigInByte(__bus, __devfn, __offset)

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

        __val = ecosPciConfigInHalfWord(__bus, __devfn, __offset)

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

           __val = ecosPciConfigInWord(__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 )  \

         __val =ecosPciConfigOutChar(__bus, __devfn, __offset)

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

           ecosPciConfigOutHalfWord(__bus, __devfn, __offset, __val)

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

           ecosPciConfigOutWord(__bus, __devfn, __offset, __val)

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

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

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

    CYG_MACRO_START                                                           \

    cyg_uint8 __req;                                                          \

    HAL_PCI_CFG_READ_UINT8(__bus, __devfn, CYG_PCI_CFG_INT_PIN, __req);       \

    if (0 != __req) {                                                         \

        /* Slot D is not used, assigned the RTC to INT 5 Sorry!              */\

        CYG_ADDRWORD __translation[4] = {                                     \

            CYGNUM_HAL_PCI_A ,  /* INTB# */                              \

            CYGNUM_HAL_PCI_B ,  /* INTA# */                              \

            CYGNUM_HAL_PCI_C ,  /* INTA# */                              \

            }; /* D is NOT used */                                            \

                                                                              \

        __vec = __translation[((__req+CYG_PCI_DEV_GET_DEV(__devfn))&3)];      \

        __valid = true;                                                       \

    } else {                                                                  \

        /* Device will not generate interrupt requests. */                    \

        __valid = false;                                                      \

    }                                                                         \

    CYG_MACRO_END

// end of plf_io.h

#endif // CYGONCE_PLF_IO_H