200 lines
8.5 KiB
C
200 lines
8.5 KiB
C
/************************************************************************************
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* configs/olimex-lpc-h3131/include/board.h
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __CONFIGS_OLIMEX_LPC_H3131_INCLUDE_BOARD_H
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#define __CONFIGS_OLIMEX_LPC_H3131_INCLUDE_BOARD_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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# include "lpc31_cgudrvr.h"
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#endif
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/* Clocking *************************************************************************/
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/* Frequency of the FFAST input */
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#define BOARD_FREQIN_FFAST (12000000) /* ffast (12 MHz crystal) */
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/* HPLL0 configuration */
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#define BOARD_HPLL0_FINSEL CGU_HPFINSEL_FFAST /* Frequency input selection */
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#define BOARD_HPLL0_NDEC 131 /* PLL N-divider value */
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#define BOARD_HPLL0_MDEC 29784 /* PLL M-divider value */
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#define BOARD_HPLL0_PDEC 7 /* PLL P-divider value */
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#define BOARD_HPLL0_SELR 0 /* SELR bandwidth selection */
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#define BOARD_HPLL0_SELI 8 /* SELI bandwidth selection */
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#define BOARD_HPLL0_SELP 31 /* SELP bandwidth selection */
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#define BOARD_HPLL0_MODE 0 /* PLL mode */
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#define BOARD_HPLL0_FREQ 406425600 /* Frequency of the PLL in MHz */
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/* HPLL1 configuration */
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#define BOARD_HPLL1_FINSEL CGU_HPFINSEL_FFAST /* Frequency input selection */
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#define BOARD_HPLL1_NDEC 770 /* PLL N-divider value */
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#define BOARD_HPLL1_MDEC 8191 /* PLL M-divider value */
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#define BOARD_HPLL1_PDEC 98 /* PLL P-divider value */
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#define BOARD_HPLL1_SELR 0 /* SELR bandwidth selection */
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#define BOARD_HPLL1_SELI 16 /* SELI bandwidth selection */
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#define BOARD_HPLL1_SELP 8 /* SELP bandwidth selection */
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#define BOARD_HPLL1_MODE 0 /* PLL mode */
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#define BOARD_HPLL1_FREQ 180000000 /* Frequency of the PLL in MHz */
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/* The following 3 bitsets determine which clocks will be enabled at initialization
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* time.
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*/
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#define BOARD_CLKS_0_31 \
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(_RBIT(CLKID_APB0CLK,0)|_RBIT(CLKID_APB1CLK,0)|_RBIT(CLKID_APB2CLK,0)|\
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_RBIT(CLKID_APB3CLK,0)|_RBIT(CLKID_APB4CLK,0)|_RBIT(CLKID_AHB2INTCCLK,0)|\
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_RBIT(CLKID_AHB0CLK,0)|_RBIT(CLKID_ARM926CORECLK,0)|_RBIT(CLKID_ARM926BUSIFCLK,0)|\
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_RBIT(CLKID_ARM926RETIMECLK,0)|_RBIT(CLKID_ISRAM0CLK,0)|_RBIT(CLKID_ISRAM1CLK,0)|\
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_RBIT(CLKID_ISROMCLK,0)|_RBIT(CLKID_INTCCLK,0)|_RBIT(CLKID_AHB2APB0PCLK,0)|\
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_RBIT(CLKID_EVENTROUTERPCLK,0)|_RBIT(CLKID_CLOCKOUT,0))
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#define BOARD_CLKS_32_63 \
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(_RBIT(CLKID_IOCONFPCLK,32)|_RBIT(CLKID_CGUPCLK,32)|_RBIT(CLKID_SYSCREGPCLK,32)|\
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_RBIT(CLKID_OTPPCLK,32)|_RBIT(CLKID_AHB2APB1PCLK,32)|_RBIT(CLKID_AHB2APB2PCLK,32)|\
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_RBIT(CLKID_AHB2APB3PCLK,32)|_RBIT(CLKID_EDGEDETPCLK,32))
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#define BOARD_CLKS_64_92 \
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(0)
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/* LED definitions ******************************************************************/
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/* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any
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* way. The following definitions are used to access individual LEDs.
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*/
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/* LED index values for use with lpc31_setled() */
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#define BOARD_LED1 0
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#define BOARD_LED2 1
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#define BOARD_NLEDS 2
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/* LED bits for use with lpc31_setleds() */
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#define BOARD_LED1_BIT (1 << BOARD_LED1)
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#define BOARD_LED2_BIT (1 << BOARD_LED2)
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/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
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* defined. In that case, the usage by the board port is as follows:
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*
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* SYMBOL Meaning LED state
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* LED2 LED1
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* ------------------------ -------------------------- ------ ------ */
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#define LED_STARTED 0 /* NuttX has been started OFF OFF */
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#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF OFF */
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#define LED_IRQSENABLED 0 /* Interrupts enabled OFF OFF */
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#define LED_STACKCREATED 1 /* Idle stack created ON OFF */
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#define LED_INIRQ 2 /* In an interrupt N/C N/C */
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#define LED_SIGNAL 2 /* In a signal handler N/C N/C */
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#define LED_ASSERTION 2 /* An assertion failed N/C N/C */
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#define LED_PANIC 3 /* The system has crashed N/C Blinking */
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#undef LED_IDLE /* MCU is is sleep mode Not used */
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/* Thus if LED2 is statically on, NuttX has successfully booted and is,
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* apparently, running normmally. If LED1 is flashing at approximately
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* 2Hz, then a fatal error has been detected and the system has halted.
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*
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* NOTE: That LED2 is not used after completion of booting and may
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* be used by other board-specific logic.
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*/
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/* Button definitions ***************************************************************/
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/* The Olimex LPC_H3131 has no user buttons */
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/************************************************************************************
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* Public Data
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************************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/************************************************************************************
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* Public Function Prototypes
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************************************************************************************/
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/************************************************************************************
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* Name: lpc31_boardinitialize
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*
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* Description:
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* All LPC31XX architectures must provide the following entry point. This entry
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* point is called early in the intitialization -- after all memory has been
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* configured and mapped but before any devices have been initialized.
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*
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************************************************************************************/
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void lpc31_boardinitialize(void);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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/************************************************************************************
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* Name: lpc31_setled, and lpc31_setleds
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*
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* Description:
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* These interfaces allow user control of the board LEDs.
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*
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control both on-board LEDs up
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* until the completion of boot. The it will continue to control LED1; LED2 is
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* avaiable for application use.
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*
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* If CONFIG_ARCH_LEDS is not defined, then both LEDs are available for application
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* use.
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*
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************************************************************************************/
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void lpc31_setled(int led, bool ledon);
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void lpc31_setleds(uint8_t ledset);
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIGS_OLIMEX_LPC_H3131_INCLUDE_BOARD_H */
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