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 Red Hat, 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.,

// 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):    nickg

// Contributors: dhowells

// Date:         2001-08-02

// Purpose:      STB platform IO support

// Description:

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

//

//####DESCRIPTIONEND####

//

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

#include <pkgconf/hal.h>

#ifdef __ASSEMBLER__

#define HAL_REG_8(x)              x

#define HAL_REG_16(x)             x

#define HAL_REG_32(x)             x

#else

#define HAL_REG_8(x)              (volatile cyg_uint8*)(x)

#define HAL_REG_16(x)             (volatile cyg_uint16*)(x)

#define HAL_REG_32(x)             (volatile cyg_uint32*)(x)

#endif

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

/* STB GPIO Registers */

#define HAL_GPIO_BASE                           0xDB000000

#define HAL_GPIO_0_MODE_OFFSET                  0x0000

#define HAL_GPIO_0_IN_OFFSET                    0x0004

#define HAL_GPIO_0_OUT_OFFSET                   0x0008

#define HAL_GPIO_1_MODE_OFFSET                  0x0100

#define HAL_GPIO_1_IN_OFFSET                    0x0104

#define HAL_GPIO_1_OUT_OFFSET                   0x0108

#define HAL_GPIO_2_MODE_OFFSET                  0x0200

#define HAL_GPIO_2_IN_OFFSET                    0x0204

#define HAL_GPIO_2_OUT_OFFSET                   0x0208

#define HAL_GPIO_3_MODE_OFFSET                  0x0300

#define HAL_GPIO_3_IN_OFFSET                    0x0304

#define HAL_GPIO_3_OUT_OFFSET                   0x0308

#define HAL_GPIO_4_MODE_OFFSET                  0x0400

#define HAL_GPIO_4_IN_OFFSET                    0x0404

#define HAL_GPIO_4_OUT_OFFSET                   0x0408

#define HAL_GPIO_5_MODE_OFFSET                  0x0500

#define HAL_GPIO_5_IN_OFFSET                    0x0504

#define HAL_GPIO_5_OUT_OFFSET                   0x0508

#define HAL_GPIO_0_MODE                         HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_0_MODE_OFFSET)

#define HAL_GPIO_0_IN                           HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_0_IN_OFFSET)

#define HAL_GPIO_0_OUT                          HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_0_OUT_OFFSET)

#define HAL_GPIO_1_MODE                         HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_1_MODE_OFFSET)

#define HAL_GPIO_1_IN                           HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_1_IN_OFFSET)

#define HAL_GPIO_1_OUT                          HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_1_OUT_OFFSET)

#define HAL_GPIO_2_MODE                         HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_2_MODE_OFFSET)

#define HAL_GPIO_2_IN                           HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_2_IN_OFFSET)

#define HAL_GPIO_2_OUT                          HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_2_OUT_OFFSET)

#define HAL_GPIO_3_MODE                         HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_3_MODE_OFFSET)

#define HAL_GPIO_3_IN                           HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_3_IN_OFFSET)

#define HAL_GPIO_3_OUT                          HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_3_OUT_OFFSET)

#define HAL_GPIO_4_MODE                         HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_4_MODE_OFFSET)

#define HAL_GPIO_4_IN                           HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_4_IN_OFFSET)

#define HAL_GPIO_4_OUT                          HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_4_OUT_OFFSET)

#define HAL_GPIO_5_MODE                         HAL_REG_16 (HAL_GPIO_BASE + HAL_GPIO_5_MODE_OFFSET)

#define HAL_GPIO_5_IN                           HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_5_IN_OFFSET)

#define HAL_GPIO_5_OUT                          HAL_REG_8  (HAL_GPIO_BASE + HAL_GPIO_5_OUT_OFFSET)

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

#define HAL_LED_ADDRESS                         0x83f90000

#define HAL_GPIO_MODE_ALL_OUTPUT                0x5555

#ifdef __ASSEMBLER__

#  include <cyg/hal/platform.inc>

#  define DEBUG_DISPLAY(hexdig)   hal_diag_led hexdig

#  define DEBUG_DELAY()                                        \

     mov    0x20000, d0;                                       \

0:   sub    1, d0;                                             \

     bne    0b;                                                \

     nop

#else

extern cyg_uint8 cyg_hal_plf_led_val(CYG_WORD hexdig);

#  define DEBUG_DISPLAY(hexdig) HAL_WRITE_UINT8(HAL_LED_ADDRESS, cyg_hal_plf_led_val(hexdig))

#  define DEBUG_DELAY()                                        \

   {                                                           \

     volatile int i = 0x80000;                                 \

     while (--i) ;                                             \

   }

#endif

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

// end of plf_io.h

#endif // CYGONCE_PLF_IO_H