board.h

這是一個實時嵌入式作業系統 實作了MCS51 ARM等MCU

/************************************************************************************
 * arch/board/board.h
 *
 *   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <[e-mail]>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ************************************************************************************/

#ifndef __ARCH_BOARD_BOARD_H
#define __ARCH_BOARD_BOARD_H

/************************************************************************************
 * Included Files
 ************************************************************************************/

#ifndef __ASSEMBLY__
# include <sys/types.h>
#endif

/************************************************************************************
 * Definitions
 ************************************************************************************/

/* This platform has the ARM at 175 MHz and the DSP at 101.25 MHz */

#define DM320_ARM_CLOCK  175500000
#define DM320_SDR_CLOCK  101250000
#define DM320_DSP_CLOCK  101250000
#define DM320_AXL_CLOCK  175500000
#define DM320_AHB_CLOCK   87750000

/* UART0/1 and TIMER0/1 are clocked by PLLIN=27MHz */

#define CONFIG_DM320_UARTPPLIN 1

/* Configration for dm9000 network device */

#define DM9000_BASE      CONFIG_DM9000_BASE

/* GIO keyboard (GIO 1-5) */

#define KEY_MASK         0x003E
#define KEY_SCAN0_BIT    0x0002
#define KEY_SCAN1_BIT    0x0004
#define KEY_SCAN2_BIT    0x0008
#define KEY_SCAN3_BIT    0x0010
#define KEY_SCAN4_BIT    0x0020

#define KEY_GIO_DIR0_VAL KEY_MASK     /* Configure as INPUT */
#define KEY_GIO_INV0_VAL KEY_MASK     /* All inverted */
#define KEY_GIO_SET0_VAL (0)          /* Initialized to zero */
#define KEY_GIO_CLR0_VAL (0)

#define GIO_KEY_SCAN0    1
#define GIO_KEY_SCAN1    2
#define GIO_KEY_SCAN2    3
#define GIO_KEY_SCAN3    4
#define GIO_KEY_SCAN4    5
#define GIO_MS_DETECT    5
#define GIO_DM9000A_INT  6
#define GIO_MMC_DETECT   8
#define GIO_CFC_DETECT   9
#define GIO_VIDEO_IN     10
#define GIO_LED_RED      16
#define GIO_LED_GREEN    17
#define GIO_CFC_ENABLE   25
#define GIO_I2C_SCL      30
#define GIO_I2C_SDA      31
#define GIO_ENA_VIDEO    32
#define GIO_CFC_RESET    36
#define GIO_CFC_STSCHG   37

/************************************************************************************
 * Inline Functions
 ************************************************************************************/

#ifndef __ASSEMBLY__

#endif

#endif  /* __ARCH_BOARD_BOARD_H */