nuttx/boards/arm/lpc31xx/olimex-lpc-h3131/include/board.h

/****************************************************************************
 * boards/arm/lpc31xx/olimex-lpc-h3131/include/board.h
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

#ifndef __BOARDS_ARM_LPC31XX_OLIMEX_LPC_H3131_INCLUDE_BOARD_H
#define __BOARDS_ARM_LPC31XX_OLIMEX_LPC_H3131_INCLUDE_BOARD_H

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

#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
# include "lpc31_cgudrvr.h"
#endif

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* Clocking *****************************************************************/

/* Frequency of the FFAST input */

#define BOARD_FREQIN_FFAST     (12000000) /* ffast (12 MHz crystal) */

/* HPLL0 configuration */

#define BOARD_HPLL0_FINSEL CGU_HPFINSEL_FFAST /* Frequency input selection */
#define BOARD_HPLL0_NDEC   131                /* PLL N-divider value */
#define BOARD_HPLL0_MDEC   29784              /* PLL M-divider value */
#define BOARD_HPLL0_PDEC   7                  /* PLL P-divider value */
#define BOARD_HPLL0_SELR   0                  /* SELR bandwidth selection */
#define BOARD_HPLL0_SELI   8                  /* SELI bandwidth selection */
#define BOARD_HPLL0_SELP   31                 /* SELP bandwidth selection */
#define BOARD_HPLL0_MODE   0                  /* PLL mode */
#define BOARD_HPLL0_FREQ   406425600          /* Frequency of the PLL in MHz */

/* HPLL1 configuration */

#define BOARD_HPLL1_FINSEL CGU_HPFINSEL_FFAST /* Frequency input selection */
#define BOARD_HPLL1_NDEC   770                /* PLL N-divider value */
#define BOARD_HPLL1_MDEC   8191               /* PLL M-divider value */
#define BOARD_HPLL1_PDEC   98                 /* PLL P-divider value */
#define BOARD_HPLL1_SELR   0                  /* SELR bandwidth selection */
#define BOARD_HPLL1_SELI   16                 /* SELI bandwidth selection */
#define BOARD_HPLL1_SELP   8                  /* SELP bandwidth selection */
#define BOARD_HPLL1_MODE   0                  /* PLL mode */
#define BOARD_HPLL1_FREQ  180000000           /* Frequency of the PLL in MHz */

/* The following 3 bitsets determine which clocks will be enabled at
 * initialization time.
 */

#define BOARD_CLKS_0_31 \
 (_RBIT(CLKID_APB0CLK,0)|_RBIT(CLKID_APB1CLK,0)|_RBIT(CLKID_APB2CLK,0)|\
  _RBIT(CLKID_APB3CLK,0)|_RBIT(CLKID_APB4CLK,0)|_RBIT(CLKID_AHB2INTCCLK,0)|\
  _RBIT(CLKID_AHB0CLK,0)|_RBIT(CLKID_ARM926CORECLK,0)|_RBIT(CLKID_ARM926BUSIFCLK,0)|\
  _RBIT(CLKID_ARM926RETIMECLK,0)|_RBIT(CLKID_ISRAM0CLK,0)|_RBIT(CLKID_ISRAM1CLK,0)|\
  _RBIT(CLKID_ISROMCLK,0)|_RBIT(CLKID_INTCCLK,0)|_RBIT(CLKID_AHB2APB0PCLK,0)|\
  _RBIT(CLKID_EVENTROUTERPCLK,0)|_RBIT(CLKID_CLOCKOUT,0))

#define BOARD_CLKS_32_63 \
 (_RBIT(CLKID_IOCONFPCLK,32)|_RBIT(CLKID_CGUPCLK,32)|_RBIT(CLKID_SYSCREGPCLK,32)|\
  _RBIT(CLKID_OTPPCLK,32)|_RBIT(CLKID_AHB2APB1PCLK,32)|_RBIT(CLKID_AHB2APB2PCLK,32)|\
  _RBIT(CLKID_AHB2APB3PCLK,32)|_RBIT(CLKID_EDGEDETPCLK,32))

#define BOARD_CLKS_64_92 \
 (0)

/* LED definitions **********************************************************/

/* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
 * any way.  The following definitions are used to access individual LEDs.
 */

/* LED index values for use with board_userled() */

#define BOARD_LED1        0
#define BOARD_LED2        1
#define BOARD_NLEDS       2

/* LED bits for use with board_userled_all() */

#define BOARD_LED1_BIT    (1 << BOARD_LED1)
#define BOARD_LED2_BIT    (1 << BOARD_LED2)

/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
 * defined.  In that case, the usage by the board port is as follows:
 *
 *   SYMBOL                     Meaning                      LED state
 *                                                         LED2   LED1
 *   ------------------------  --------------------------  ------ ------
 */

#define LED_STARTED          0 /* NuttX has been started   OFF    OFF    */
#define LED_HEAPALLOCATE     0 /* Heap has been allocated  OFF    OFF    */
#define LED_IRQSENABLED      0 /* Interrupts enabled       OFF    OFF    */
#define LED_STACKCREATED     1 /* Idle stack created       ON     OFF    */
#define LED_INIRQ            2 /* In an interrupt          N/C    N/C    */
#define LED_SIGNAL           2 /* In a signal handler      N/C    N/C    */
#define LED_ASSERTION        2 /* An assertion failed      N/C    N/C    */
#define LED_PANIC            3 /* The system has crashed   N/C  Blinking */
#undef  LED_IDLE               /* MCU is is sleep mode       Not used    */

/* Thus if LED2 is statically on, NuttX has successfully booted and is,
 * apparently, running normmally.  If LED1 is flashing at approximately
 * 2Hz, then a fatal error has been detected and the system has halted.
 *
 * NOTE: That LED2 is not used after completion of booting and may
 * be used by other board-specific logic.
 */

/* Button definitions *******************************************************/

/* The Olimex LPC_H3131 has no user buttons */

/****************************************************************************
 * Public Data
 ****************************************************************************/

#ifndef __ASSEMBLY__

#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

#undef EXTERN
#if defined(__cplusplus)
}
#endif

/****************************************************************************
 * Name: lpc31_setup_overcurrent
 *
 * Description:
 *   Setup to receive an interrupt-level callback if an overcurrent condition
 *   is detected.
 *
 * Input Parameters:
 *   handler - New overcurrent interrupt handler
 *   arg     - The argument that will accompany the interrupt
 *
 * Returned Value:
 *   Zero (OK) returned on success; a negated errno value is returned on
 *   failure.
 *
 ****************************************************************************/

#if 0 /* Not ready yet */
int lpc31_setup_overcurrent(xcpt_t handler, void *arg);
#endif

#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_LPC31XX_OLIMEX_LPC_H3131_INCLUDE_BOARD_H */