181 lines
7.2 KiB
C
181 lines
7.2 KiB
C
/****************************************************************************
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* boards/arm/lpc31xx/olimex-lpc-h3131/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_LPC31XX_OLIMEX_LPC_H3131_INCLUDE_BOARD_H
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#define __BOARDS_ARM_LPC31XX_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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#endif
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/****************************************************************************
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* Pre-processor 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
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* initialization 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
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* any way. The following definitions are used to access individual LEDs.
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*/
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/* LED index values for use with board_userled() */
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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 board_userled_all() */
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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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*/
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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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{
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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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#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_setup_overcurrent
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*
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* Description:
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* Setup to receive an interrupt-level callback if an overcurrent condition
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* is detected.
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*
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* Input Parameters:
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* handler - New overcurrent interrupt handler
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* arg - The argument that will accompany the interrupt
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*
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* Returned Value:
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* Zero (OK) returned on success; a negated errno value is returned on
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* failure.
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*
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****************************************************************************/
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#if 0 /* Not ready yet */
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int lpc31_setup_overcurrent(xcpt_t handler, void *arg);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_LPC31XX_OLIMEX_LPC_H3131_INCLUDE_BOARD_H */
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