nuttx/boards/arm/kl/freedom-kl25z/include/board.h

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/****************************************************************************
* boards/arm/kl/freedom-kl25z/include/board.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __BOARDS_ARM_KL_FREEDOM_KL25Z_INCLUDE_BOARD_H
#define __BOARDS_ARM_KL_FREEDOM_KL25Z_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
/****************************************************************************
* Pre-processor 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 */
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/* PLL Configuration.
*
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* 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) */
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#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.
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*
* 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 */
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#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_TPM2_CH0OUT PIN_TPM2_CH0_1
#define GPIO_TPM2_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.
*/
/* SPI0 Pinout
* ===========
*
* SCK = PTD1 (D13 at connector J2 pin 12 of Freedom Board)
* MISO = PTD3 (D12 at connector J2 pin 10 of Freedom Board)
* MOSI = PTD2 (D11 at connector J2 pin 8 of Freedom Board)
*/
#define PIN_SPI0_SCK (PIN_SPI0_SCK_3 | PIN_ALT2_PULLUP)
#define PIN_SPI0_MISO (PIN_SPI0_MISO_6 | PIN_ALT2_PULLUP)
#define PIN_SPI0_MOSI (PIN_SPI0_MOSI_5 | 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)
/* Interrupt pin used by ADXL345
*
* CS = PTD0 (D10 at connector J2 pin 6 of Freedom Board)
* INT1 = PTA16 (at connector J2 pin 9 of Freedom Board)
*/
#define GPIO_ADXL345_INT1 (GPIO_INPUT | PIN_PORTA | PIN_INT_RISING | PIN16)
#define GPIO_ADXL345_CS (GPIO_OUTPUT | GPIO_OUTPUT_ONE | PIN_PORTD | PIN0)
/****************************************************************************
* 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_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 /* __BOARDS_ARM_KL_FREEDOM_KL25Z_INCLUDE_BOARD_H */