/************************************************************************************ * configs/kwikstik-k40/include/board.h * include/arch/board/board.h * * Copyright (C) 2013 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 #ifndef __ASSEMBLY__ # include #endif /************************************************************************************ * Definitions ************************************************************************************/ /* Clocking *************************************************************************/ /* The Kwikstik-K40 has a 4MHz crystal on board */ #undef BOARD_EXTCLOCK /* Crystal */ #define BOARD_XTAL_FREQ 8000000 /* 8MHz crystal frequency (REFCLK) */ #define BOARD_XTAL32_FREQ 32768 /* 32KHz RTC Oscillator */ /* PLL Configuration. * * PLL Input frequency: PLLIN = REFCLK / PRDIV0 = 8MHz / 2 = 4MHz * PLL Output frequency: PLLOUT = PLLIN * VDIV0 = 4Mhz * 24 = 96MHz * MCGPLLCLK Frequency: MCGPLLCLK = 96MHz */ #define BOARD_PRDIV0 2 /* PLL External Reference Divider */ #define BOARD_VDIV0 24 /* PLL VCO Divider (frequency multiplier) */ #define BOARD_PLLIN_FREQ (BOARD_XTAL_FREQ / BOARD_PRDIV0) #define BOARD_PLLOUT_FREQ (BOARD_PLLIN_FREQ * BOARD_VDIV0) #define BOARD_MCGPLLCLK_FREQ BOARD_PLLOUT_FREQ /* MCGOUTCLK: MCG output of either IRC, MCGFLLCLK, MCGPLLCLK, or MCG's external * reference clock that sources the core, system, bus, and flash clock. * * MCGOUTCLK = MCGPLLCLK = 96MHz */ #define BOARD_MCGOUTCLK_FREQ BOARD_MCGPLLCLK_FREQ /* SIM CLKDIV1 dividers. * * Core/system clock * MCGOUTCLK divided by OUTDIV1, clocks the ARM Cortex-M0+ core * * Bus clock * System clock divided by OUTDIV4, clocks the bus slaves and peripherals. */ #define BOARD_OUTDIV1 2 /* Core/system = MCGOUTCLK / 2, 48MHz */ #define BOARD_OUTDIV4 2 /* Bus clock = System clock / 2, 24MHz */ #define BOARD_CORECLK_FREQ (BOARD_MCGOUTCLK_FREQ / BOARD_OUTDIV1) #define BOARD_BUSCLK_FREQ (BOARD_CORECLK_FREQ / BOARD_OUTDIV4) /* SDHC clocking ********************************************************************/ /* SDCLK configurations corresponding to various modes of operation. Formula is: * * SDCLK frequency = (base clock) / (prescaler * divisor) * * The SDHC module is always configure configured so that the core clock is the base * clock. */ /* Identification mode: 400KHz = 96MHz / ( 16 * 15) */ #define BOARD_SDHC_IDMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV16 #define BOARD_SDHC_IDMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(15) /* MMC normal mode: 16MHz = 96MHz / (2 * 3) */ #define BOARD_SDHC_MMCMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 #define BOARD_SDHC_MMCMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(3) /* SD normal mode (1-bit): 16MHz = 96MHz / (2 * 3) */ #define BOARD_SDHC_SD1MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 #define BOARD_SDHC_SD1MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(3) /* SD normal mode (4-bit): 24MHz = 96MHz / (2 * 2) (with DMA) * SD normal mode (4-bit): 16MHz = 96MHz / (2 * 3) (no DMA) */ #ifdef CONFIG_SDIO_DMA # define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 # define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(2) #else //# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 //# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(3) # define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV16 # define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(15) #endif /* PWM Configuration */ /* TPM0 Channels */ #define GPIO_TPM0_CH0OUT PIN_TPM0_CH0_3 //PIN_TPM0_CH0_1 #define GPIO_TPM0_CH1OUT PIN_TPM0_CH1_1 #define GPIO_TPM0_CH2OUT PIN_TPM0_CH2_1 #define GPIO_TPM0_CH3OUT PIN_TPM0_CH3_1 #define GPIO_TPM0_CH4OUT PIN_TPM0_CH4_1 #define GPIO_TPM0_CH5OUT PIN_TPM0_CH5_1 /* TPM1 Channels */ #define GPIO_TPM1_CH0OUT PIN_TPM1_CH0_1 #define GPIO_TPM1_CH1OUT PIN_TPM1_CH1_1 /* TPM2 Channels */ #define GPIO_TPM1_CH0OUT PIN_TPM2_CH0_1 #define GPIO_TPM1_CH1OUT PIN_TPM2_CH1_1 /* LED definitions ******************************************************************/ /* The Freedom KL25Z has a single RGB LED driven by the KL25Z as follows: * * ------------- -------- * RGB LED KL25Z128 * ------------- -------- * Red Cathode PTB18 * Green Cathode PTB19 * Blue Cathode PTD1 * * NOTE: PTD1 is also connected to the I/O header on J2 pin 10 (also known as D13). * * If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board the * Freedom KL25Z. The following definitions describe how NuttX controls the LEDs: * * SYMBOL Meaning LED state * Initially all LED is OFF * ------------------- ----------------------- -------------------------- * LED_STARTED NuttX has been started R=OFF G=OFF B=OFF * LED_HEAPALLOCATE Heap has been allocated (no change) * LED_IRQSENABLED Interrupts enabled (no change) * LED_STACKCREATED Idle stack created R=OFF G=OFF B=ON * LED_INIRQ In an interrupt (no change) * LED_SIGNAL In a signal handler (no change) * LED_ASSERTION An assertion failed (no change) * LED_PANIC The system has crashed R=FLASHING G=OFF B=OFF * LED_IDLE K25Z1XX is in sleep mode (Optional, not used) */ #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 ***************************************************************/ /* The Freedom KL25Z board has no standard GPIO contact buttons */ /* Alternative pin resolution *******************************************************/ /* If there are alternative configurations for various pins in the k25z128_pinmux.h * header file, those alternative pins will be labeled with a suffix like _1, _2, * etc. The logic in this file must select the correct pin configuration for the * board by defining a pin configuration (with no suffix) that maps to the correct * alternative. */ #define PIN_SPI0_SCK (PIN_SPI0_SCK_2 | PIN_ALT2_PULLUP) #define PIN_SPI0_MISO (PIN_SPI0_MISO_4 | PIN_ALT2_PULLUP) #define PIN_SPI0_MOSI (PIN_SPI0_MOSI_3 | PIN_ALT2_PULLUP) #define PIN_SPI1_SCK (PIN_SPI1_SCK_2 | PIN_ALT2_PULLUP) #define PIN_SPI1_MISO (PIN_SPI1_MISO_3 | PIN_ALT2_PULLUP) #define PIN_SPI1_MOSI (PIN_SPI0_MOSI_7 | PIN_ALT2_PULLUP) /* These pins are used by CC3000 module */ #define GPIO_WIFI_EN (GPIO_OUTPUT | GPIO_OUTPUT_ZER0 | PIN_PORTC | PIN12) #define GPIO_WIFI_IRQ (GPIO_INPUT | PIN_PORTA | PIN16) #define GPIO_WIFI_CS (GPIO_OUTPUT | GPIO_OUTPUT_ONE | PIN_PORTE | PIN1) /************************************************************************************ * Public Data ************************************************************************************/ #ifndef __ASSEMBLY__ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /************************************************************************************ * Public Function Prototypes ************************************************************************************/ /************************************************************************************ * Name: kl_boardinitialize * * Description: * All Kinetis L 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. * ************************************************************************************/ void kl_boardinitialize(void); /************************************************************************************ * Name: kl_tsi_initialize * * Description: * Initialize the TSI hardware and interface for the sliders on board the Freedom * KL25Z board. Register a character driver at /dev/tsi that may be used to read * from each sensor. * ************************************************************************************/ #ifdef CONFIG_KL_TSI void kl_tsi_initialize(void); #endif #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __ARCH_BOARD_BOARD_H */