/**************************************************************************** * configs/lpc4357-evb/include/board.h * * Copyright (C) 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_GPIO_IRQ) # include #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] * ---- ------- ------------- * * LED is grounded and a high 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 */