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nuttx/configs/freedom-kl26z/include/board.h

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/************************************************************************************
* configs/freedom-kl26z/include/board.h
*
* Copyright (C) 2015 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_FREEDOME_KL26Z_BOARD_H
#define __CONFIGS_FREEDOME_KL26Z_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* The KL26Z has an 8MHz 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_TPM2_CH0OUT PIN_TPM2_CH0_1
#define GPIO_TPM2_CH1OUT PIN_TPM2_CH1_1
/* LED definitions ******************************************************************/
/* The Freedom KL26Z has a single RGB LED driven by the KL26Z as follows:
*
* ------------- --------
* RGB LED KL26Z128
* ------------- --------
* Red Cathode PTBE29
* Green Cathode PTE31
* Blue Cathode PTD5
*
* NOTE: PTD5 is also connected to the I/O header on J2 pin 12 (also known as D13).
*
* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board the
* Freedom KL26Z. 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 K26Z1XX 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 KL26Z board has no standard GPIO contact buttons */
/* Alternative pin resolution *******************************************************/
/* If there are alternative configurations for various pins in the k26z128_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)
/************************************************************************************
* 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 initialization -- 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
* KL26Z 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 /* __CONFIGS_FREEDOME_KL26Z_BOARD_H */
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