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/************************************************************************************
* configs/kwikstik-k40/include/board.h
* include/arch/board/board.h
*
* Copyright (C) 2013 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 __ARCH_BOARD_BOARD_H
#define __ARCH_BOARD_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#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
/* 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
* LED_HEAPALLOCATE Heap has been allocated
* LED_IRQSENABLED Interrupts enabled
* LED_STACKCREATED Idle stack created
* LED_INIRQ In an interrupt
* LED_SIGNAL In a signal handler
* LED_ASSERTION An assertion failed
* LED_PANIC The system has crashed
* 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
* kinetis_k40pinmux.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.
*/
/* On-Board Connections
*
* ------------------- -------------------------- -------- -------------------
* FEATURE CONNECTION PORT/PIN PIN FUNCTION
* ------------------- -------------------------- -------- -------------------
* Audio Jack Output Audio Amp On PTE28 PTE28
* Audio Output DAC1_OUT DAC1_OUT
* Volume Up PTD10 PTD10
* Volume Down PTD11 PTD11
* Buzzer Audio Out PTA8 FTM1_CH0
* Microphone Microphone input PTA7 ADC0_SE10
* SD Card Slot SD Clock PTE2 SDHC0_DCLK
* SD Command PTE3 SDHC0_CMD
* SD Data0 PTD12 SDHC0_D4
* SD Data1 PTD13 SDHC0_D5
* SD Data2 PTD14 SDHC0_D6
* SD Data3 PTD15 SDHC0_D7
* SD Card Detect PTE27 PTE27
* SD Card On PTE6 PTE6
* Infrared Port IR Transmit PTE4 IR_TX
* IR Receive PTA13 CMP2_IN0
* Touch Pads E1 / Touch PTB0 TSI0_CH0
* E2 / Touch PTA4 TSI0_CH5
* E3 / Touch PTA24 PTA24
* E4 / Touch PTA25 PTA25
* E5 / Touch PTA26 PTA26
* E6 / Touch PTA27 PTA27
*/
#define PIN_FTM1_CH0 PIN_FTM1_CH0_1
/* Connections via the General Purpose Tower Plug-in (TWRPI) Socket
* ------------------- -------------------------- -------- -------------------
* FEATURE CONNECTION PORT/PIN PIN FUNCTION
* ------------------- -------------------------- -------- -------------------
* General Purpose TWRPI AN0 (J8 Pin 8) ? ADC0_DP0/ADC1_DP3
* TWRPI Socket TWRPI AN1 (J8 Pin 9) ? ADC0_DM0/ADC1_DM3
* TWRPI AN2 (J8 Pin 12) ? ADC1_DP0/ADC0_DP3
* TWRPI ID0 (J8 Pin 17) ? ADC0_DP1
* TWRPI ID1 (J8 Pin 18) ? ADC0_DM1
* TWRPI I2C SCL (J9 Pin 3) PTC10 I2C1_SCL
* TWRPI I2C SDA (J9 Pin 4) PTC11 I2C1_SDA
* TWRPI SPI MISO (J9 Pin 9) PTB23 SPI2_SIN
* TWRPI SPI MOSI (J9 Pin 10) PTB22 SPI2_SOUT
* TWRPI SPI SS (J9 Pin 11) PTB20 SPI2_PCS0
* TWRPI SPI CLK (J9 Pin 12) PTB21 SPI2_SCK
* TWRPI GPIO0 (J9 Pin 15) PTC12 PTC12
* TWRPI GPIO1 (J9 Pin 16) PTB9 PTB9
* TWRPI GPIO2 (J9 Pin 17) PTB10 PTB10
* TWRPI GPIO3 (J9 Pin 18) PTC5 PTC5
* TWRPI GPIO4 (J9 Pin 19) PTA5 PTA5
*/
#define PIN_I2C1_SCL PIN_I2C1_SCL_1
#define PIN_I2C1_SDA PIN_I2C1_SDA_1
#define PIN_SPI2_SIN PIN_SPI2_SIN_1
#define PIN_SPI2_SOUT PIN_SPI2_SOUT_1
#define PIN_SPI2_PCS0 PIN_SPI2_PCS0_1
#define PIN_SPI2_SCK PIN_SPI2_SCK_1
/* Connections via the Tower Primary Connector Side A
* --- -------------------- --------------------------------
* PIN NAME USAGE
* --- -------------------- --------------------------------
* A9 GPIO9 / CTS1 PTE10/UART_CTS
* A43 RXD1 PTE9/UART_RX
* A44 TXD1 PTE8/UART_TX
* A63 RSTOUT_b PTA9/FTM1_CH1
*/
#define PIN_UART5_CTS PIN_UART5_CTS_2
#define PIN_FTM1_CH1 PIN_FTM1_CH1_1
/* Connections via the Tower Primary Connector Side B
* --- -------------------- --------------------------------
* PIN NAME USAGE
* --- -------------------- --------------------------------
* B21 GPIO1 / RTS1 PTE7/UART_RTS
* B37 PWM7 PTA8/FTM1_CH0
* B38 PWM6 PTA9/FTM1_CH1
* B41 CANRX0 PTE25/CAN1_RX
* B42 CANTX0 PTE24/CAN1_TX
* B44 SPI0_MISO PTA17/SPI0_SIN
* B45 SPI0_MOSI PTA16/SPI0_SOUT
* B46 SPI0_CS0_b PTA14/SPI0_PCS0
* B48 SPI0_CLK PTA15/SPI0_SCK
* B50 SCL1 PTE1/I2C1_SCL
* B51 SDA1 PTE0/I2C1_SDA
* B52 GPIO5 / SD_CARD_DET PTA16
*/
#define PIN_UART3_RTS PIN_UART3_RTS_3
#define PIN_CAN1_RX PIN_CAN1_RX_2
#define PIN_CAN1_TX PIN_CAN1_TX_2
#define PIN_SPI0_SIN PIN_SPI0_SIN_1
#define PIN_SPI0_SOUT PIN_SPI0_SOUT_1
#define PIN_SPI0_SCK PIN_SPI0_SCK_1
#define PIN_SPI0_PCS0 PIN_SPI0_PCS0_1
#define PIN_I2C1_SCL PIN_I2C1_SCL_2
#define PIN_I2C1_SDA PIN_I2C1_SDA_2
/************************************************************************************
* 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);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_BOARD_BOARD_H */
|
