268 lines
9.1 KiB
C
268 lines
9.1 KiB
C
/****************************************************************************
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* boards/arm/kl/freedom-kl25z/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_KL_FREEDOM_KL25Z_INCLUDE_BOARD_H
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#define __BOARDS_ARM_KL_FREEDOM_KL25Z_INCLUDE_BOARD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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/* The Kwikstik-K40 has a 4MHz crystal on board */
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#undef BOARD_EXTCLOCK /* Crystal */
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#define BOARD_XTAL_FREQ 8000000 /* 8MHz crystal frequency (REFCLK) */
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#define BOARD_XTAL32_FREQ 32768 /* 32KHz RTC Oscillator */
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/* PLL Configuration.
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*
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* PLL Input frequency: PLLIN = REFCLK / PRDIV0 = 8MHz / 2 = 4MHz
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* PLL Output frequency: PLLOUT = PLLIN * VDIV0 = 4Mhz * 24 = 96MHz
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* MCGPLLCLK Frequency: MCGPLLCLK = 96MHz
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*/
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#define BOARD_PRDIV0 2 /* PLL External Reference Divider */
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#define BOARD_VDIV0 24 /* PLL VCO Divider (frequency multiplier) */
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#define BOARD_PLLIN_FREQ (BOARD_XTAL_FREQ / BOARD_PRDIV0)
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#define BOARD_PLLOUT_FREQ (BOARD_PLLIN_FREQ * BOARD_VDIV0)
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#define BOARD_MCGPLLCLK_FREQ BOARD_PLLOUT_FREQ
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/* MCGOUTCLK: MCG output of either IRC, MCGFLLCLK, MCGPLLCLK, or MCG's
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* external reference clock that sources the core, system, bus, and
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* flash clock.
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*
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* MCGOUTCLK = MCGPLLCLK = 96MHz
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*/
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#define BOARD_MCGOUTCLK_FREQ BOARD_MCGPLLCLK_FREQ
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/* SIM CLKDIV1 dividers.
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*
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* Core/system clock
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* MCGOUTCLK divided by OUTDIV1, clocks the ARM Cortex-M0+ core
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*
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* Bus clock
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* System clock divided by OUTDIV4, clocks the bus slaves and peripherals.
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*/
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#define BOARD_OUTDIV1 2 /* Core/system = MCGOUTCLK / 2, 48MHz */
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#define BOARD_OUTDIV4 2 /* Bus clock = System clock / 2, 24MHz */
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#define BOARD_CORECLK_FREQ (BOARD_MCGOUTCLK_FREQ / BOARD_OUTDIV1)
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#define BOARD_BUSCLK_FREQ (BOARD_CORECLK_FREQ / BOARD_OUTDIV4)
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/* SDHC clocking ************************************************************/
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/* SDCLK configurations corresponding to various modes of operation.
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* Formula is:
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*
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* SDCLK frequency = (base clock) / (prescaler * divisor)
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*
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* The SDHC module is always configure configured so that the core clock is
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* the base clock.
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*/
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/* Identification mode: 400KHz = 96MHz / ( 16 * 15) */
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#define BOARD_SDHC_IDMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV16
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#define BOARD_SDHC_IDMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(15)
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/* MMC normal mode: 16MHz = 96MHz / (2 * 3) */
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#define BOARD_SDHC_MMCMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
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#define BOARD_SDHC_MMCMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(3)
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/* SD normal mode (1-bit): 16MHz = 96MHz / (2 * 3) */
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#define BOARD_SDHC_SD1MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
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#define BOARD_SDHC_SD1MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(3)
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/* SD normal mode (4-bit): 24MHz = 96MHz / (2 * 2) (with DMA)
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* SD normal mode (4-bit): 16MHz = 96MHz / (2 * 3) (no DMA)
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*/
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#ifdef CONFIG_SDIO_DMA
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# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
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# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(2)
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#else
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/* # define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 */
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/* # define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(3) */
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# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV16
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# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(15)
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#endif
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/* PWM Configuration */
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/* TPM0 Channels */
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#define GPIO_TPM0_CH0OUT PIN_TPM0_CH0_3 /* PIN_TPM0_CH0_1 */
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#define GPIO_TPM0_CH1OUT PIN_TPM0_CH1_1
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#define GPIO_TPM0_CH2OUT PIN_TPM0_CH2_1
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#define GPIO_TPM0_CH3OUT PIN_TPM0_CH3_1
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#define GPIO_TPM0_CH4OUT PIN_TPM0_CH4_1
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#define GPIO_TPM0_CH5OUT PIN_TPM0_CH5_1
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/* TPM1 Channels */
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#define GPIO_TPM1_CH0OUT PIN_TPM1_CH0_1
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#define GPIO_TPM1_CH1OUT PIN_TPM1_CH1_1
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/* TPM2 Channels */
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#define GPIO_TPM2_CH0OUT PIN_TPM2_CH0_1
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#define GPIO_TPM2_CH1OUT PIN_TPM2_CH1_1
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/* LED definitions **********************************************************/
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/* The Freedom KL25Z has a single RGB LED driven by the KL25Z as follows:
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*
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* ------------- --------
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* RGB LED KL25Z128
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* ------------- --------
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* Red Cathode PTB18
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* Green Cathode PTB19
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* Blue Cathode PTD1
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*
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* NOTE:
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* PTD1 is also connected to the I/O header on J2 pin 10
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* (also known as D13).
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*
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* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
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* the Freedom KL25Z.
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* The following definitions describe how NuttX controls the LEDs:
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*
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* SYMBOL Meaning LED state
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* Initially all LED is OFF
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* ------------------- ----------------------- --------------------------
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* LED_STARTED NuttX has been started R=OFF G=OFF B=OFF
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* LED_HEAPALLOCATE Heap has been allocated (no change)
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* LED_IRQSENABLED Interrupts enabled (no change)
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* LED_STACKCREATED Idle stack created R=OFF G=OFF B=ON
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* LED_INIRQ In an interrupt (no change)
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* LED_SIGNAL In a signal handler (no change)
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* LED_ASSERTION An assertion failed (no change)
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* LED_PANIC The system has crashed R=FLASHING G=OFF B=OFF
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* LED_IDLE K25Z1XX is in sleep mode (Optional, not used)
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*/
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#define LED_STARTED 0
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#define LED_HEAPALLOCATE 1
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#define LED_IRQSENABLED 2
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#define LED_STACKCREATED 3
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#define LED_INIRQ 4
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#define LED_SIGNAL 5
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#define LED_ASSERTION 6
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#define LED_PANIC 7
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/* Button definitions *******************************************************/
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/* The Freedom KL25Z board has no standard GPIO contact buttons */
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/* Alternative pin resolution ***********************************************/
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/* If there are alternative configurations for various pins in the
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* k25z128_pinmux.h header file, those alternative pins will be labeled with
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* a suffix like _1, _2, etc. The logic in this file must select the correct
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* pin configuration for the board by defining a pin configuration
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* (with no suffix) that maps to the correct alternative.
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*/
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/* SPI0 Pinout
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* ===========
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*
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* SCK = PTD1 (D13 at connector J2 pin 12 of Freedom Board)
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* MISO = PTD3 (D12 at connector J2 pin 10 of Freedom Board)
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* MOSI = PTD2 (D11 at connector J2 pin 8 of Freedom Board)
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*/
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#define PIN_SPI0_SCK (PIN_SPI0_SCK_3 | PIN_ALT2_PULLUP)
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#define PIN_SPI0_MISO (PIN_SPI0_MISO_6 | PIN_ALT2_PULLUP)
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#define PIN_SPI0_MOSI (PIN_SPI0_MOSI_5 | PIN_ALT2_PULLUP)
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#define PIN_SPI1_SCK (PIN_SPI1_SCK_2 | PIN_ALT2_PULLUP)
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#define PIN_SPI1_MISO (PIN_SPI1_MISO_3 | PIN_ALT2_PULLUP)
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#define PIN_SPI1_MOSI (PIN_SPI0_MOSI_7 | PIN_ALT2_PULLUP)
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/* Interrupt pin used by ADXL345
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*
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* CS = PTD0 (D10 at connector J2 pin 6 of Freedom Board)
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* INT1 = PTA16 (at connector J2 pin 9 of Freedom Board)
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*/
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#define GPIO_ADXL345_INT1 (GPIO_INPUT | PIN_PORTA | PIN_INT_RISING | PIN16)
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#define GPIO_ADXL345_CS (GPIO_OUTPUT | GPIO_OUTPUT_ONE | PIN_PORTD | PIN0)
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: kl_tsi_initialize
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*
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* Description:
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* Initialize the TSI hardware and interface for the sliders on board the
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* Freedom KL25Z board.
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* Register a character driver at /dev/tsi that may be used to read from
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* each sensor.
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*
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****************************************************************************/
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#ifdef CONFIG_KL_TSI
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void kl_tsi_initialize(void);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_KL_FREEDOM_KL25Z_INCLUDE_BOARD_H */
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