/**************************************************************************** * configs/lpc4330-xplorer/include/board.h * * Copyright (C) 2012, 2016 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 __ARCH_BOARD_BOARD_H #define __ARCH_BOARD_BOARD_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include #if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_LPC43_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 /* APB Clocking */ #if defined(CONFIG_LPC43_BUS) || defined(CONFIG_LPC43_MCPWM) || \ defined(CONFIG_LPC43_I2C0) || defined(CONFIG_LPC43_I2S0) || \ defined(CONFIG_LPC43_I2S1) || defined(CONFIG_LPC43_CAN1) # define BOARD_ABP1_CLKSRC BASE_APB_CLKSEL_XTAL # define BOARD_ABP1_FREQUENCY BOARD_XTAL_FREQUENCY #endif #if defined(CONFIG_LPC43_BUS) || defined(CONFIG_LPC43_I2C1) || \ defined(CONFIG_LPC43_DAC) || defined(CONFIG_LPC43_ADC0) || \ defined(CONFIG_LPC43_ADC1) || defined(CONFIG_LPC43_CAN0) # define BOARD_ABP3_CLKSRC BASE_APB_CLKSEL_XTAL # define BOARD_ABP3_FREQUENCY BOARD_XTAL_FREQUENCY #endif /* SSP Clocking */ #define BOARD_IDIVA_DIVIDER (2) #define BOARD_IDIVA_CLKSRC IDIVA_CLKSEL_PLL1 #define BOARD_IDIVA_FREQUENCY (BOARD_FCLKOUT_FREQUENCY/BOARD_IDIVA_DIVIDER) #define BOARD_SSP0_CLKSRC BASE_SSP0_CLKSEL_IDIVA #define BOARD_SSP0_BASEFREQ BOARD_IDIVA_FREQUENCY #define BOARD_SSP1_CLKSRC BASE_SSP1_CLKSEL_IDIVA #define BOARD_SSP1_BASEFREQ BOARD_IDIVA_FREQUENCY /* USB0 ********************************************************************/ /* Settings needed in lpc43_cpu.c */ #define BOARD_USB0_CLKSRC PLL0USB_CLKSEL_XTAL #define BOARD_USB0_MDIV 0x06167ffa /* Table 149 datsheet, valid for 12Mhz Fclkin */ #define BOARD_USB0_NP_DIV 0x00302062 /* Table 149 datsheet, valid for 12Mhz Fclkin */ /* 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 /* SD/MMC or SDIO interface ************************************************/ #define BOARD_SDMMC_CEIL(a,b) (((a) + (b) - 1) / (b)) /* For LPC4330 family there is no predivider for the clock */ #define BOARD_SDMMC_FREQUENCY BOARD_MAIN_CLK /* Mode-dependent function clock division * * NOTE: Clock division is 2*n. For example, value of 0 means divide by * 2 * 0 = 0 (no division, bypass), value of 1 means divide by 2 * 1 = 2, value * of 255 means divide by 2 * 255 = 510, and so on. * * SD/MMC logic will write the value ((clkdiv + 1) >> 1) as the divisor. So an * odd value calculated below will be moved up to next higher divider value. So * the value 3 will cause 2 to be written as the divider value and the effective * divider will be 4. * * NOTE: The SDIO function clock to the interface can be up to 52 MHZ. * See UM10503 Section 22.2. */ #define BOARD_CLKDIV_INIT BOARD_SDMMC_CEIL(BOARD_SDMMC_FREQUENCY, 400000) #define BOARD_CLKDIV_MMCXFR BOARD_SDMMC_CEIL(BOARD_SDMMC_FREQUENCY, 20000000) #define BOARD_CLKDIV_SDWIDEXFR BOARD_SDMMC_CEIL(BOARD_SDMMC_FREQUENCY, 25000000) #define BOARD_CLKDIV_SDXFR BOARD_SDMMC_CEIL(BOARD_SDMMC_FREQUENCY, 25000000) /* 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 LPC4330-Xplorer has 2 user-controllable LEDs labeled D2 an D3 in the * schematic and on but referred to has LED1 and LED2 here, respectively. * * LED1 D2 GPIO1[12] * LED2 D3 GPIO1[11] * * LEDs are pulled high to a low output illuminates the LED. * * LED index values for use with board_userled() */ #define BOARD_LED1 0 #define BOARD_LED2 1 #define BOARD_NLEDS 2 /* LED bits for use with board_userled_all() */ #define BOARD_LED1_BIT (1 << BOARD_LED1) #define BOARD_LED2_BIT (1 << BOARD_LED2) /* If CONFIG_ARCH_LEDS is defined, the LEDs will be controlled as follows * for NuttX debug functionality (where NC means "No Change"). 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 board_userled_initialize(void); * void board_userled(int led, bool ledon); * void board_userled_all(uint8_t ledset); */ /* ON OFF */ /* LED1 LED2 LED1 LED2 */ #define LED_STARTED 0 /* OFF OFF - - */ #define LED_HEAPALLOCATE 1 /* ON OFF - - */ #define LED_IRQSENABLED 1 /* ON OFF - - */ #define LED_STACKCREATED 1 /* ON OFF - - */ #define LED_INIRQ 2 /* NC ON NC OFF */ #define LED_SIGNAL 2 /* NC ON NC OFF */ #define LED_ASSERTION 2 /* NC ON NC OFF */ #define LED_PANIC 2 /* NC ON NC OFF */ /* UART Pins ****************************************************************/ /* The LPC4330 Xplorer does not have RS-232 drivers or serial connectors on * board. USART0 and UART1 are available on J8 as follows: * * ------ ------ ----------------------- * SIGNAL J8 PIN LPC4330FET100 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_3 #define PINCONF_U0_RXD PINCONF_U0_RXD_3 #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 /* Ethernet */ #define PINCONF_ENET_RX_DV PINCONF_ENET_RX_DV_2 #define PINCONF_ENET_RESET PINCONF_GPIO0p4 #define GPIO_ENET_RESET (GPIO_MODE_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT0 | GPIO_PIN4) #define PINCONF_ENET_MDC PINCONF_ENET_MDC_3 #define PINCONF_ENET_TX_EN PINCONF_ENET_TX_EN_1 #endif /* __ARCH_BOARD_BOARD_H */