/************************************************************************************
* configs/ea3131/include/board.h
* include/arch/board/board.h
*
* Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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
************************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
# include "lpc31_cgudrvr.h"
#endif
/************************************************************************************
* 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 ******************************************************************/
#define LED_STARTED 0
#define LED_HEAPALLOCATE 1
#define LED_IRQSENABLED 2
#define LED_STACKCREATED 3
#define LED_INIRQ 4
#define LED_SIGNAL 5
#define LED_ASSERTION 6
#define LED_PANIC 7
/* Button definitions ***************************************************************/
/************************************************************************************
* 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.
*
************************************************************************************/
EXTERN void lpc31_boardinitialize(void);
/************************************************************************************
* Button support.
*
* Description:
* up_buttoninit() must be called to initialize button resources. After that,
* up_buttons() may be called to collect the state of all buttons. up_buttons()
* returns an 8-bit bit set with each bit associated with a button. See the
* BUTTON_* definitions above for the meaning of each bit.
*
************************************************************************************/
#ifdef CONFIG_ARCH_BUTTONS
EXTERN void up_buttoninit(void);
EXTERN uint8_t up_buttons(void);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_BOARD_BOARD_H */
