/****************************************************************************
* configs/lpc4357-evb/include/board.h
*
* Copyright (C) 2014 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_LPC4357_EVB_INCLUDE_BOARD_H
#define _CONFIGS_LPC4357_EVB_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_GPIO_IRQ)
# include <nuttx/irq.h>
#endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Clocking ****************************************************************/
/* NOTE: The following definitions require lpc43_cgu.h. It is not included
* here because the including C file may not have that file in its include
* path.
*
* The Xplorer board has four crystals on board:
*
* Y1 - RTC 32.768 MHz oscillator input,
* Y2 - 24.576 MHz input to the UDA 1380 audio codec,
* Y3 - 12.000 MHz LPC43xx crystal oscillator input
* Y4 - 50 MHz input for Ethernet
*/
#define BOARD_XTAL_FREQUENCY (12000000) /* XTAL oscillator frequency (Y3) */
#define BOARD_RTCCLK_FREQUENCY (32768) /* RTC oscillator frequency (Y1) */
#define BOARD_INTRCOSC_FREQUENCY (4000000) /* Internal RC oscillator frequency */
/* Integer and direct modes are supported:
*
* In integer mode (Fclkout < 156000000):
* Fclkin = BOARD_XTAL_FREQUENCY
* Fclkout = Msel * FClkin / Nsel
* Fcco = 2 * Psel * Fclkout
* In direct mode (Fclkout > 156000000):
* Fclkin = BOARD_XTAL_FREQUENCY
* Fclkout = Msel * FClkin / Nsel
* Fcco = Fclkout
*/
#ifdef CONFIG_LPC43_72MHz
/* NOTE: At 72MHz, the calibrated value of CONFIG_BOARD_LOOPSPERMSEC was
* determined to be:
*
* CONFIG_BOARD_LOOPSPERMSEC=7191
*
* executing from SRAM.
*/
/* Final clocking (Integer mode with no ramp-up)
*
* Fclkout = 6 * 12MHz / 1 = 72MHz
* Fcco = 2 * 2 * 72MHz = 216MHz
*/
# define BOARD_PLL_MSEL (6) /* Msel = 6 */
# define BOARD_PLL_NSEL (1) /* Nsel = 1 */
# define BOARD_PLL_PSEL (2) /* Psel = 2 */
# define BOARD_FCLKOUT_FREQUENCY (72000000) /* 6 * 12,000,000 / 1 */
# define BOARD_FCCO_FREQUENCY (244000000) /* 2 * 2 * Fclkout */
#else
/* NOTE: At 72MHz, the calibrated value of CONFIG_BOARD_LOOPSPERMSEC was
* determined to be:
*
* CONFIG_BOARD_LOOPSPERMSEC=18535
*
* executing from SRAM.
*/
/* Intermediate ramp-up clocking (Integer mode). If BOARD_PLL_RAMP_MSEL
* is not defined, there will be no ramp-up.
*
* Fclkout = 9 * 12MHz / 1 = 108MHz
* Fcco = 2 * 1 * 108MHz = 216MHz
*/
# define BOARD_PLL_RAMP_MSEL (9) /* Msel = 9 */
# define BOARD_PLL_RAMP_NSEL (1) /* Nsel = 1 */
# define BOARD_PLL_RAMP_PSEL (1) /* Psel = 1 */
# define BOARD_RAMP_FCLKOUT (108000000) /* 9 * 12,000,000 / 1 */
# define BOARD_RAMP_FCCO (216000000) /* 2 * 1 * Fclkout */
/* Final clocking (Direct mode).
*
* Fclkout = 17 * 12MHz / 1 = 204MHz
* Fcco = Fclockout = 204MHz
*/
# define BOARD_PLL_MSEL (17) /* Msel = 17 */
# define BOARD_PLL_NSEL (1) /* Nsel = 1 */
# define BOARD_FCLKOUT_FREQUENCY (204000000) /* 17 * 12,000,000 / 1 */
# define BOARD_FCCO_FREQUENCY (204000000) /* Fclockout */
#endif
/* This is the clock setup we configure for:
*
* SYSCLK = BOARD_OSCCLK_FREQUENCY = 12MHz -> Select Main oscillator for source
* PLL0CLK = (2 * 20 * SYSCLK) / 1 = 480MHz -> PLL0 multipler=20, pre-divider=1
* CCLCK = 480MHz / 6 = 80MHz -> CCLK divider = 6
*/
#define LPC43_CCLK BOARD_FCLKOUT_FREQUENCY
/* SPIFI clocking **********************************************************/
/* The SPIFI will receive clocking from a divider per the settings provided
* in this file. The NuttX code will configure PLL1 as the input clock
* for the selected divider
*/
#undef BOARD_SPIFI_PLL1 /* No division */
#undef BOARD_SPIFI_DIVA /* Supports division by 1-4 */
#undef BOARD_SPIFI_DIVB /* Supports division by 1-16 */
#undef BOARD_SPIFI_DIVC /* Supports division by 1-16 */
#undef BOARD_SPIFI_DIVD /* Supports division by 1-16 */
#undef BOARD_SPIFI_DIVE /* Supports division by 1-256 */
#if BOARD_FCLKOUT_FREQUENCY < 20000000
# define BOARD_SPIFI_PLL1 1 /* Use PLL1 directly */
#else
# define BOARD_SPIFI_DIVB 1 /* Use IDIVB */
#endif
/* We need to configure the divider so that its output is as close to the
* desired SCLK value. The peak data transfer rate will be about half of
* this frequency in bytes per second.
*/
#if BOARD_FCLKOUT_FREQUENCY < 20000000
# define BOARD_SPIFI_FREQUENCY BOARD_FCLKOUT_FREQUENCY /* 72Mhz? */
#else
# define BOARD_SPIFI_DIVIDER (14) /* 204MHz / 14 = 14.57MHz */
# define BOARD_SPIFI_FREQUENCY (102000000) /* 204MHz / 14 = 14.57MHz */
#endif
/* UART clocking ***********************************************************/
/* Configure all U[S]ARTs to use the XTAL input frequency */
#define BOARD_USART0_CLKSRC BASE_USART0_CLKSEL_XTAL
#define BOARD_USART0_BASEFREQ BOARD_XTAL_FREQUENCY
#define BOARD_UART1_CLKSRC BASE_UART1_CLKSEL_XTAL
#define BOARD_UART1_BASEFREQ BOARD_XTAL_FREQUENCY
#define BOARD_USART2_CLKSRC BASE_USART2_CLKSEL_XTAL
#define BOARD_USART2_BASEFREQ BOARD_XTAL_FREQUENCY
#define BOARD_USART3_CLKSRC BASE_USART3_CLKSEL_XTAL
#define BOARD_USART3_BASEFREQ BOARD_XTAL_FREQUENCY
/* LED definitions *********************************************************/
/* The LPC4357-EVB has one user-controllable LED labelled D6 controlled
* by the signal LED_3V3:
*
* ---- ------- -------------
* LED SIGNAL MCU
* ---- ------- -------------
* D6 LED_3V3 PE_7 GPIO7[7]
* ---- ------- -------------
*
* A low output illuminates the LED.
*
* LED index values for use with lpc43_setled()
*/
#define BOARD_LED 0
#define BOARD_NLEDS 1
/* LED bits for use with lpc43_setleds() */
#define BOARD_LED _BIT (1 << BOARD_LED)
/* If CONFIG_ARCH_LEDS is defined, the LED will be controlled as follows
* for NuttX debug functionality (where NC means "No Change").
*/
/* LED */
#define LED_STARTED 0 /* OFF */
#define LED_HEAPALLOCATE 0 /* OFF */
#define LED_IRQSENABLED 0 /* OFF */
#define LED_STACKCREATED 1 /* ON */
#define LED_INIRQ 2 /* NC */
#define LED_SIGNAL 2 /* NC */
#define LED_ASSERTION 2 /* NC */
#define LED_PANIC 3 /* Flashing */
/* If CONFIG_ARCH_LEDS is not defined, then the LEDs are completely under
* control of the application. The following interfaces are then available
* for application control of the LEDs:
*
* void lpc43_ledinit(void);
* void lpc43_setled(int led, bool ledon);
* void lpc43_setleds(uint8_t ledset);
*/
/* Button definitions *******************************************************/
/* To be provided */
/* UART Pins ****************************************************************/
/* REVISIT: Thee are most likely left over from the LPC4330-Xplorer */
/* The LPC4357-EVB does not have RS-232 drivers or serial connectors on
* board. USART0 and UART1 are available on J8 as follows:
*
* ------ ------ -----------------------
* SIGNAL J8 PIN LPC4357FET256 PIN
* (TFBGA100 package)
* ------ ------ -----------------------
* U0_TXD pin 9 F6 P6_4 U0_TXD=Alt 2
* U0_RXD pin 10 F9 P6_5 U0_RXD=Alt 2
* U1_TXD pin 13 H8 P1_13 U1_TXD=Alt 1
* U1_RXD pin 14 J8 P1_14 U1_RXD=Alt 1
* ------ ------ -----------------------
*
* The following definitions must be provided so that the LPC43 serial
* driver can set up the U[S]ART for the serial console properly (see the
* file arch/arc/src/lpc43xx/lpc4310203050_pinconf.h for more info).
*/
#define PINCONF_U0_TXD PINCONF_U0_TXD_4
#define PINCONF_U0_RXD PINCONF_U0_RXD_4
#define PINCONF_U0_DIR PINCONF_U0_DIR_3
#define PINCONF_U1_TXD PINCONF_U1_TXD_1
#define PINCONF_U1_RXD PINCONF_U1_RXD_1
#define PINCONF_U2_TXD PINCONF_U2_TXD_1
#define PINCONF_U2_RXD PINCONF_U2_RXD_1
#define PINCONF_U2_DIR PINCONF_U2_DIR_1
#define PINCONF_U3_TXD PINCONF_U3_TXD_2
#define PINCONF_U3_RXD PINCONF_U3_RXD_2
#define PINCONF_U3_DIR PINCONF_U3_DIR_2
/****************************************************************************
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: lpc43_boardinitialize
*
* Description:
* All LPC43xx 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 lpc43_boardinitialize(void);
/*****************************************************************************
* Name: lpc43_ledinit, lpc43_setled, and lpc43_setleds
*
* Description:
* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
* LEDs. If CONFIG_ARCH_LEDS is not defined, then the following interfaces
* are available to control the LEDs from user applications.
*
****************************************************************************/
#ifndef CONFIG_ARCH_LEDS
EXTERN void lpc43_ledinit(void);
EXTERN void lpc43_setled(int led, bool ledon);
EXTERN void lpc43_setleds(uint8_t ledset);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* _CONFIGS_LPC4357_EVB_INCLUDE_BOARD_H */