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#ifndef CYGONCE_HAL_ARM_XSCALE_IXDP425_IXDP425_H

#define CYGONCE_HAL_ARM_XSCALE_IXDP425_IXDP425_H

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

//

//      ixdp425.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, 2003, 2004 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):    msalter

// Contributors: msalter

// Date:         2002-12-10

// Purpose:      Intel IXDP425 specific support routines

// Description:

// Usage:        #include <cyg/hal/ixdp425.h>

//

//####DESCRIPTIONEND####

//

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

#include <pkgconf/system.h>

#include CYGHWR_MEMORY_LAYOUT_H

#include <pkgconf/hal_arm_xscale_ixdp425.h>

#include <cyg/hal/hal_ixp425.h>

// These must match setup in the page table in hal_platform_extras.h

#define SDRAM_PHYS_BASE                    0x00000000

#define SDRAM_BASE                         0x00000000

#define SDRAM_ALIAS_BASE                   0x10000000

#define SDRAM_UNCACHED_BASE                0x20000000

#define SDRAM_DC_BASE                      0x30000000

#define SDRAM_SIZE                         0x10000000  // 256MB

#define IXDP425_LED_BASE                   0x52000000

#define IXDP425_LED_SIZE                   0x00100000

#define IXDP425_LED_DATA                   REG16(0, IXDP425_LED_BASE)

#define IXDP_FLASH_BASE                    0x50000000

#define IXDP_FLASH_SIZE                    0x01000000

#define IXDP_FLASH_DC_BASE                 0xA0000000

#define IXDP_FLASH_UNCACHED_BASE           0xB0000000

// CS0 (flash optimum timing)

#define IXP425_EXP_CS0_INIT \

 (EXP_ADDR_T(3) | EXP_SETUP_T(3) | EXP_STROBE_T(15) | EXP_HOLD_T(3) | \

  EXP_RECOVERY_T(15) | EXP_SZ_16M | EXP_WR_EN | EXP_BYTE_RD16 | EXP_CS_EN)

// CS2 (LED display)

#define IXP425_EXP_CS2_INIT  \

 (EXP_ADDR_T(3) | EXP_SETUP_T(3) | EXP_STROBE_T(15) | EXP_HOLD_T(3) | \

  EXP_RECOVERY_T(15) | EXP_SZ_512 | EXP_WR_EN | EXP_CS_EN)

#define IXP425_SDRAM_CONFIG_INIT  (SDRAM_CONFIG_CAS_3 | SDRAM_CONFIG_4x32Mx16)

#define IXP425_SDRAM_REFRESH_CNT  0x081

#define IXP425_SDRAM_SET_MODE_CMD SDRAM_IR_MODE_SET_CAS3

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

// GPIO lines

#define GPIO_EEPROM_SDA  7

#define GPIO_EEPROM_SCL  6

#define GPIO_ENET1_INT_N 5

#define GPIO_ENET0_INT_N 4

#define GPIO_HSS0_INT_N  3

#define GPIO_HSS1_INT_N  2

#define GPIO_DSL_INT_N   1

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

// 4 Digit Hex Display

//

// The board has two 4 hex digit display controlled by three board registers.

// Each digit has a decimal point and may be individually blanked.

#ifdef __ASSEMBLER__

        // Display hex digits in 'value' not masked by 'mask'.

        .macro DISPLAY value, reg0, reg1

        ldr    \reg0, =\value

        ldr    \reg1, =IXDP425_LED_DATA

        strh   \reg0, [\reg1]

#if 0

        // delay

        ldr     \reg0, =0x780000

    0:

        subs    \reg0, \reg0, #1

        bne     0b

#endif

        .endm

#else

static inline void HEX_DISPLAY(int value)

{

    *IXDP425_LED_DATA = value;

}

#endif // __ASSEMBLER__

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

#endif // CYGONCE_HAL_ARM_XSCALE_IXDP425_IXDP425_H

// EOF ixdp425.h