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nuttx/configs/olimex-lpc-h3131/include/board.h

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/************************************************************************************
* configs/olimex-lpc-h3131/include/board.h
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 __CONFIGS_OLIMEX_LPC_H3131_INCLUDE_BOARD_H
#define __CONFIGS_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
************************************************************************************/
/************************************************************************************
* Name: lpc31_boardinitialize
*
* Description:
* All LPC31XX architectures must provide the following entry point. This entry
* point is called early in the intitialization -- after all memory has been
* configured and mapped but before any devices have been initialized.
*
************************************************************************************/
void lpc31_boardinitialize(void);
#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 parameter:
* handler - New overcurrent interrupt handler
*
* Returned value:
* Old overcurrent interrupt handler
*
************************************************************************************/
#if 0 /* Not ready yet */
xcpt_t lpc31_setup_overcurrent(xcpt_t handler);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_OLIMEX_LPC_H3131_INCLUDE_BOARD_H */
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