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nuttx/configs/freedom-k66f/include/board.h
David Sidrane 2700fd9e81 Kinetis:Allow Board to add Pullups on SDHC lines
2017-03-09 05:30:02 -10:00

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/************************************************************************************
* configs/freedom-k66f/include/board.h
*
* Copyright (C) 2016-2017 Gregory Nutt. All rights reserved.
* Authors: Gregory Nutt <gnutt@nuttx.org>
* David Sidrane <david_s5@nscdg.com>
*
* 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 __CONFIG_FREEDOM_K66F_INCLUDE_BOARD_H
#define __CONFIG_FREEDOM_K66F_INCLUDE_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
#include <arch/chip/chip.h>
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* The Freedom K66F uses a 12Mhz external Oscillator. The Kinetis MCU startup from an
* internal digitally-controlled oscillator (DCO). Nuttx will enable the main external
* oscillator (EXTAL0/XTAL0). The external oscillator/resonator can range from
* 32.768 KHz up to 50 MHz. The default external source for the MCG oscillator inputs
* is 12 MHz oscillator
*
* X501 a High-frequency, low-power Xtal
*/
#define BOARD_EXTAL_LP 1
#define BOARD_EXTAL_FREQ 12000000 /* 12MHz Oscillator */
#define BOARD_XTAL32_FREQ 32768 /* 32KHz RTC Oscillator */
/* PLL Configuration. Either the external clock or crystal frequency is used to
* select the PRDIV value. Only reference clock frequencies are supported that will
* produce a KINETIS_MCG_PLL_REF_MIN >= PLLIN <=KINETIS_MCG_PLL_REF_MAX reference
* clock to the PLL.
*
* PLL Input frequency: PLLIN = REFCLK / PRDIV = 12 Mhz / 1 = 12 MHz
* PLL Output frequency: PLLOUT = PLLIN * VDIV = 12 Mhz * 30 = 360 MHz
* MCG Frequency: PLLOUT = 180 Mhz = 360 MHz / KINETIS_MCG_PLL_INTERNAL_DIVBY
*
* PRDIV register value is the divider minus KINETIS_MCG_C5_PRDIV_BASE.
* VDIV register value is offset by KINETIS_MCG_C6_VDIV_BASE.
*/
#define BOARD_PRDIV 1 /* PLL External Reference Divider */
#define BOARD_VDIV 30 /* PLL VCO Divider (frequency multiplier) */
/* Define additional MCG_C2 Setting */
#define BOARD_MCG_C2_FCFTRIM 0 /* Do not enable FCFTRIM */
#define BOARD_MCG_C2_LOCRE0 MCG_C2_LOCRE0 /* Enable reset on loss of clock */
#define BOARD_PLLIN_FREQ (BOARD_EXTAL_FREQ / BOARD_PRDIV)
#define BOARD_PLLOUT_FREQ (BOARD_PLLIN_FREQ * BOARD_VDIV)
#define BOARD_MCG_FREQ (BOARD_PLLOUT_FREQ/KINETIS_MCG_PLL_INTERNAL_DIVBY)
/* SIM CLKDIV1 dividers */
#define BOARD_OUTDIV1 1 /* Core = MCG, 180 MHz */
#define BOARD_OUTDIV2 3 /* Bus = MCG / 3, 60 MHz */
#define BOARD_OUTDIV3 3 /* FlexBus = MCG / 3, 60 MHz */
#define BOARD_OUTDIV4 7 /* Flash clock = MCG / 7, 25.7 MHz */
#define BOARD_CORECLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV1)
#define BOARD_BUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV2)
#define BOARD_FLEXBUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV3)
#define BOARD_FLASHCLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV4)
/* Use BOARD_MCG_FREQ as the output SIM_SOPT2 MUX selected by
* SIM_SOPT2[PLLFLLSEL]
*/
#define BOARD_SOPT2_PLLFLLSEL SIM_SOPT2_PLLFLLSEL_MCGPLLCLK
#define BOARD_SOPT2_FREQ BOARD_MCG_FREQ
/* N.B. The above BOARD_SOPT2_FREQ precludes use of USB with a 12 Mhz Xtal
* Divider output clock = Divider input clock × [ (USBFRAC+1) / (USBDIV+1) ]
* SIM_CLKDIV2_FREQ = BOARD_SOPT2_FREQ × [ (USBFRAC+1) / (USBDIV+1) ]
* 48Mhz = 168Mhz X [(1 + 1) / (6 + 1)]
* 48Mhz = 168Mhz / (6 + 1) * (1 + 1)
*/
#if (BOARD_MCG_FREQ == 168000000L)
# define BOARD_SIM_CLKDIV2_USBFRAC 2
# define BOARD_SIM_CLKDIV2_USBDIV 7
# define BOARD_SIM_CLKDIV2_FREQ (BOARD_SOPT2_FREQ / \
BOARD_SIM_CLKDIV2_USBDIV * \
BOARD_SIM_CLKDIV2_USBFRAC)
#endif
/* Divider output clock = Divider input clock * ((PLLFLLFRAC+1)/(PLLFLLDIV+1))
* SIM_CLKDIV3_FREQ = BOARD_SOPT2_FREQ × [ (PLLFLLFRAC+1) / (PLLFLLDIV+1)]
* 90 Mhz = 180 Mhz X [(0 + 1) / (1 + 1)]
* 90 Mhz = 180 Mhz / (1 + 1) * (0 + 1)
*/
#define BOARD_SIM_CLKDIV3_PLLFLLFRAC 1
#define BOARD_SIM_CLKDIV3_PLLFLLDIV 2
#define BOARD_SIM_CLKDIV3_FREQ (BOARD_SOPT2_FREQ / \
BOARD_SIM_CLKDIV3_PLLFLLDIV * \
BOARD_SIM_CLKDIV3_PLLFLLFRAC)
#define BOARD_LPUART0_CLKSRC SIM_SOPT2_LPUARTSRC_MCGCLK
#define BOARD_LPUART0_FREQ BOARD_SIM_CLKDIV3_FREQ
#define BOARD_TPM_CLKSRC SIM_SOPT2_TPMSRC_MCGCLK
#define BOARD_TPM_FREQ BOARD_SIM_CLKDIV3_FREQ
/* SDHC pull-up resistors **********************************************************/
/*
* Kinetis does not have pullups on their Freedom-K66F board
* So allow the the board config to enable them.
*/
#define BOARD_SDHC_ENABLE_PULLUPS 1
/* 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. Possible values for presscaler and divisor are:
*
* SDCLKFS: {2, 4, 8, 16, 32, 63, 128, 256}
* DVS: {1..16}
*/
/* Identification mode: Optimal 400KHz, Actual 180MHz / (32 * 15) = 375 Khz */
#define BOARD_SDHC_IDMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV32
#define BOARD_SDHC_IDMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(15)
/* MMC normal mode: Optimal 20MHz, Actual 180MHz / (2 * 5) = 18 MHz */
#define BOARD_SDHC_MMCMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
#define BOARD_SDHC_MMCMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(5)
/* SD normal mode (1-bit): Optimal 20MHz, Actual 180MHz / (2 * 5) = 18 MHz */
#define BOARD_SDHC_SD1MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
#define BOARD_SDHC_SD1MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(5)
/* SD normal mode (4-bit): Optimal 25MHz, Actual 180MHz / (2 * 4) = 22.5 MHz (with DMA)
* SD normal mode (4-bit): Optimal 20MHz, Actual 180MHz / (2 * 4) = 22.5 MHz (no DMA)
*/
#ifdef CONFIG_SDIO_DMA
# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(4)
#else
# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(4)
#endif
/* PWM Configuration */
/* FTM0 Channels */
/* Channels can be modified using kinetis_k66pinmux.h */
#define GPIO_FTM0_CH0OUT PIN_FTM0_CH0_1
#define GPIO_FTM0_CH1OUT PIN_FTM0_CH1_1
#define GPIO_FTM0_CH2OUT PIN_FTM0_CH2_2
#define GPIO_FTM0_CH3OUT PIN_FTM0_CH3_1
#define GPIO_FTM0_CH4OUT PIN_FTM0_CH4_1
#define GPIO_FTM0_CH5OUT PIN_FTM0_CH5_1
/* PWM Configuration */
/* FTM3 Channels */
/* Channels can be modified using kinetis_k66pinmux.h */
#define GPIO_FTM3_CH0OUT PIN_FTM3_CH0_1
#define GPIO_FTM3_CH1OUT PIN_FTM3_CH1_1
#define GPIO_FTM3_CH2OUT PIN_FTM3_CH2_1
#define GPIO_FTM3_CH3OUT PIN_FTM3_CH3_1
#define GPIO_FTM3_CH4OUT PIN_FTM3_CH4_1
/* LED definitions ******************************************************************/
/* The Freedom K66F has a single RGB LED driven by the K66F as follows:
*
* LED K66
* ------ -------------------------------------------------------
* RED PTB22/SPI2_SOUT/FB_AD29/CMP2_OUT
* BLUE PTB21/SPI2_SCK/FB_AD30/CMP1_OUT
* GREEN PTE26/ENET_1588_CLKIN/UART4_CTS_b/RTC_CLKOUT/USB0_CLKIN
*
* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any
* way. The following definitions are used to access individual LEDs.
*/
/* LED index values for use with board_userled() */
#define BOARD_LED_R 0
#define BOARD_LED_G 1
#define BOARD_LED_B 2
#define BOARD_NLEDS 3
/* LED bits for use with board_userled_all() */
#define BOARD_LED_R_BIT (1 << BOARD_LED_R)
#define BOARD_LED_G_BIT (1 << BOARD_LED_G)
#define BOARD_LED_B_BIT (1 << BOARD_LED_B)
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
* the Freedom K66F. The following definitions describe how NuttX controls
* the LEDs:
*
* SYMBOL Meaning LED state
* RED GREEN BLUE
* ------------------- ---------------------------- ----------------- */
#define LED_STARTED 1 /* NuttX has been started OFF OFF OFF */
#define LED_HEAPALLOCATE 2 /* Heap has been allocated OFF OFF ON */
#define LED_IRQSENABLED 0 /* Interrupts enabled OFF OFF ON */
#define LED_STACKCREATED 3 /* Idle stack created OFF ON OFF */
#define LED_INIRQ 0 /* In an interrupt (no change) */
#define LED_SIGNAL 0 /* In a signal handler (no change) */
#define LED_ASSERTION 0 /* An assertion failed (no change) */
#define LED_PANIC 4 /* The system has crashed FLASH OFF OFF */
#undef LED_IDLE /* K66 is in sleep mode (Not used) */
/* Button definitions ***************************************************************/
/* Two push buttons, SW2 and SW3, are available on FRDM-K66F board, where SW2 is
* connected to PTC6 and SW3 is connected to PTA4. Besides the general purpose
* input/output functions, SW2 and SW3 can be low-power wake up signal. Also, only
* SW3 can be a non-maskable interrupt.
*
* Switch GPIO Function
* --------- ---------------------------------------------------------------
* SW2 PTC6/SPI0_SOUT/PD0_EXTRG/I2S0_RX_BCLK/FB_AD9/I2S0_MCLK/LLWU_P10
* SW3 PTA4/FTM0_CH1/NMI_b/LLWU_P3
*/
#define BUTTON_SW2 0
#define BUTTON_SW3 1
#define NUM_BUTTONS 2
#define BUTTON_SW2_BIT (1 << BUTTON_SW2)
#define BUTTON_SW3_BIT (1 << BUTTON_SW3)
/* Alternative pin resolution *******************************************************/
/* If there are alternative configurations for various pins in the
* kinetis_k66pinmux.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.
*/
/* The primary serial port interface signals are PTB16 UART0_RX and PTB17 UART0_TX.
* These signals are connected to the OpenSDAv2 circuit.
*/
#define PIN_UART0_RX PIN_UART0_RX_3
#define PIN_UART0_TX PIN_UART0_TX_3
/* An alternative serial port might use a standard serial shield mounted
* on the Freedom Board. In this case, Arduino pin D1 provides UART TX and
* pin D0 privies UART RX.
*
* The I/O headers on the FRDM-K66F board are arranged to enable
* compatibility with Arduino shield. The outer rows of pins (even numbered
* pins) on the headers, share the same mechanical spacing and placement with
* the I/O headers on the Arduino Revision 3 (R3) standard.
*
* The Arduino D0 and D1 pins then correspond to pins 2 and 4 on the J1 I/O
* connector:
*
* Arduino Pin FRDM-K66F J1 Connector
* ------------------------ -----------------------
* UART RX, Arduino D0 pin Pin 2, PTC3, UART1_RX
* UART TX, Arduino D1 pin Pin 4, PTC4, UART1_TX
* ------------------------ -----------------------
*
*/
#define PIN_UART1_RX PIN_UART1_RX_1
#define PIN_UART1_TX PIN_UART1_TX_1
/* Bluetooth header
*
* J199 Pin Name K66 Name
* -------- ----- ------ ---------
* 3 BT_TX PTC14 UART4_RX
* 4 BT_RX PTC15 UART4_TX
* -------- ----- ------ ---------
*/
#define PIN_UART4_RX PIN_UART4_RX_1
#define PIN_UART4_TX PIN_UART4_TX_1
/* LPUART
*
* J1 Pin Name K66 Name
* -------- ------------ ------ ---------
* 7 I2S_RX_BCLK PTE9 LPUART0_RX
* 11 I2S_RX_FS PTE8 LPUART0_TX
* -------- ----- ------ ---------
*/
#define PIN_LPUART0_RX PIN_LPUART0_RX_1
#define PIN_LPUART0_TX PIN_LPUART0_TX_1
/* I2C INERTIAL SENSOR (Gyroscope)
*
* Pin Name K66 Name
* ---- ----- ------ ---------
* 11 SCL PTD8 2C0_SCL
* 12 SDA PTD9 2C0_SDA
*/
#define PIN_I2C0_SCL PIN_I2C0_SCL_3
#define PIN_I2C0_SDA PIN_I2C0_SDA_3
/*
* Ethernet MAC/KSZ8081 PHY
* ------------------------
* ------------ ----------------- --------------------------------------------
* KSZ8081 Board Signal(s) K66F Pin
* Pin Signal Function pinmux Name
* --- -------- ----------------- --------------------------------------------
* 1 VDD_1V2 VDDPLL_1.2V --- ---
* 2 VDDA_3V3 VDDA_ENET --- ---
* 3 RXM ENET1_RX- --- ---
* 4 RXP ENET1_RX+ --- ---
* 5 TXM ENET1_TX- --- ---
* 6 TXP ENET1_TX+ --- ---
* 7 X0 RMII_XTAL0 --- ---
* 8 XI RMII_XTAL1 --- ---
* 9 REXT --- ---, Apparently not connected ---
* 10 MDIO RMII0_MDIO PTB0/RMII0_MDIO PIN_RMII0_MDIO
* 11 MDC RMII0_MDC PTB1/RMII0_MDC PIN_RMII0_MDC
* 12 RXD1 RMII0_RXD_1 PTA12/RMII0_RXD1 PIN_RMII0_RXD1
* 13 RXD0 RMII0_RXD_0 PTA13/RMII0_RXD0 PIN_RMII0_RXD0
* 14 VDDIO VDDIO_ENET --- ---
* 15 CRS_DIV PTA14/RMII0_CRS_DV PIN_RMII0_CRS_DV
* 16 REF_CLK PTE26 PTE26(Ethernet clock) PTE26/ENET_1588_CLKIN
* 17 RXER RMII0_RXER PTA5/RMII0_RXER PIN_RMII0_RXER
* 18 INTRP RMII0_INT_B, J14 Pin 2, Apparently not ---
* PHY_INT_1 available unless jumpered
* 19 TXEN RMII0_TXEN PTA15/RMII0_TXEN PIN_RMII0_TXEN
* 20 TXD0 RMII0_TXD_0 PTA16/RMII0_TXD0 PIN_RMII0_TXD0
* 21 TXD1 RMII0_TXD_1 PTA17/RMII0_TXD1 PIN_RMII0_TXD1
* 22 GND1 --- --- ---
* 24 nRST PHY_RST_B --- ---
* 25 GND2 --- --- ---
* --- -------- ----------------- --------------------------------------------
*
*/
#define PIN_RMII0_MDIO PIN_RMII0_MDIO_1
#define PIN_RMII0_MDC PIN_RMII0_MDC_1
/************************************************************************************
* Public Data
************************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
/************************************************************************************
* Name: kinetis_boardinitialize
*
* Description:
* All STM32 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 kinetis_boardinitialize(void);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIG_FREEDOM_K66F_INCLUDE_BOARD_H */
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