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nuttx/boards/arm/imxrt/imxrt1050-evk/include/board.h
hartmannathan bfc153ca27
Fix typos in comments and documentation (#750) 
* Fix typos in comments and documentation
2020-04-08 06:45:35 -06:00

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/****************************************************************************
* boards/arm/imxrt/imxrt1050-evk/include/board.h
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Authors: Gregory Nutt <gnutt@nuttx.org>
* David Sidrane <david_s5@nscdg.com>
* Dave Marples <dave@marples.net>
*
* 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 __BOARDS_ARM_IMXRT_IMXRT1050_EVK_INCLUDE_BOARD_H
#define __BOARDS_ARM_IMXRT_IMXRT1050_EVK_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/* Do not include i.MXRT header files here */
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Clocking *****************************************************************/
/* Set VDD_SOC to 1.25V */
#define IMXRT_VDD_SOC (0x12)
/* Set Arm PLL (PLL1) to fOut = (24Mhz * ARM_PLL_DIV_SELECT/2) / ARM_PODF_DIVISOR
* 600Mhz = (24Mhz * ARM_PLL_DIV_SELECT/2) / ARM_PODF_DIVISOR
* ARM_PLL_DIV_SELECT = 100
* ARM_PODF_DIVISOR = 2
* 600Mhz = (24Mhz * 100/2) / 2
*
* AHB_CLOCK_ROOT = PLL1fOut / IMXRT_AHB_PODF_DIVIDER
* 1Hz to 600 MHz = 600Mhz / IMXRT_ARM_CLOCK_DIVIDER
* IMXRT_ARM_CLOCK_DIVIDER = 1
* 600Mhz = 600Mhz / 1
*
* PRE_PERIPH_CLK_SEL = PRE_PERIPH_CLK_SEL_PLL1
* PERIPH_CLK_SEL = 1 (0 select PERIPH_CLK2_PODF,
* 1 select PRE_PERIPH_CLK_SEL_PLL1)
* PERIPH_CLK = 600Mhz
*
* IPG_CLOCK_ROOT = AHB_CLOCK_ROOT / IMXRT_IPG_PODF_DIVIDER
* IMXRT_IPG_PODF_DIVIDER = 4
* 150Mhz = 600Mhz / 4
*
* PERCLK_CLOCK_ROOT = IPG_CLOCK_ROOT / IMXRT_PERCLK_PODF_DIVIDER
* IMXRT_PERCLK_PODF_DIVIDER = 9
* 16.6Mhz = 150Mhz / 9
*
* SEMC_CLK_ROOT = 600Mhz / IMXRT_SEMC_PODF_DIVIDER
* (labeled AIX_PODF in 18.2)
* IMXRT_SEMC_PODF_DIVIDER = 8
* 75Mhz = 600Mhz / 8
*
* Set Sys PLL (PLL2) to fOut = (24Mhz * (20+(2*(DIV_SELECT)))
* 528Mhz = (24Mhz * (20+(2*(1)))
*
* Set USB1 PLL (PLL3) to fOut = (24Mhz * 20)
* 480Mhz = (24Mhz * 20)
*
* Set LPSPI PLL3 PFD0 to fOut = (480Mhz / 12 * 18)
* 720Mhz = (480Mhz / 12 * 18)
* 90Mhz = (720Mhz / LSPI_PODF_DIVIDER)
*
* Set LPI2C PLL3 / 8 to fOut = (480Mhz / 8)
* 60Mhz = (480Mhz / 8)
* 12Mhz = (60Mhz / LSPI_PODF_DIVIDER)
*
* These clock frequencies can be verified via the CCM_CLKO1 pin and sending
* the appropriate clock to it with something like;
*
* putreg32( <Clk number> | CCM_CCOSR_CLKO1_EN , IMXRT_CCM_CCOSR);
* imxrt_config_gpio(GPIO_CCM_CLKO1);
*/
#define BOARD_XTAL_FREQUENCY 24000000
#define IMXRT_PRE_PERIPH_CLK_SEL CCM_CBCMR_PRE_PERIPH_CLK_SEL_PLL1
#define IMXRT_PERIPH_CLK_SEL CCM_CBCDR_PERIPH_CLK_SEL_PRE_PERIPH
#define IMXRT_ARM_PLL_DIV_SELECT 100
#define IMXRT_ARM_PODF_DIVIDER 2
#define IMXRT_AHB_PODF_DIVIDER 1
#define IMXRT_IPG_PODF_DIVIDER 4
#define IMXRT_PERCLK_CLK_SEL CCM_CSCMR1_PERCLK_CLK_SEL_IPG_CLK_ROOT
#define IMXRT_PERCLK_PODF_DIVIDER 9
#define IMXRT_SEMC_PODF_DIVIDER 8
#define IMXRT_LPSPI_CLK_SELECT CCM_CBCMR_LPSPI_CLK_SEL_PLL3_PFD0
#define IMXRT_LSPI_PODF_DIVIDER 8
#define IMXRT_LPSPI_CLK_SELECT CCM_CBCMR_LPSPI_CLK_SEL_PLL3_PFD0
#define IMXRT_LSPI_PODF_DIVIDER 8
#define IMXRT_LPI2C_CLK_SELECT CCM_CSCDR2_LPI2C_CLK_SEL_PLL3_60M
#define IMXRT_LSI2C_PODF_DIVIDER 5
#define IMXRT_USDHC1_CLK_SELECT CCM_CSCMR1_USDHC1_CLK_SEL_PLL2_PFD0
#define IMXRT_USDHC1_PODF_DIVIDER 2
#define IMXRT_SYS_PLL_SELECT CCM_ANALOG_PLL_SYS_DIV_SELECT_22
#define IMXRT_USB1_PLL_DIV_SELECT CCM_ANALOG_PLL_USB1_DIV_SELECT_20
#define BOARD_CPU_FREQUENCY \
(BOARD_XTAL_FREQUENCY * (IMXRT_ARM_PLL_DIV_SELECT / 2)) / IMXRT_ARM_PODF_DIVIDER
/* Define this to enable tracing */
#if 0
# define IMXRT_TRACE_PODF_DIVIDER 1
# define IMXRT_TRACE_CLK_SELECT CCM_CBCMR_TRACE_CLK_SEL_PLL2_PFD0
#endif
/* LED definitions **********************************************************/
/* There are four LED status indicators located on the EVK Board.
* The functions of these LEDs include:
*
* - Main Power Supply(D3)
* Green: DC 5V main supply is normal.
* Red: J2 input voltage is over 5.6V.
* Off: The board is not powered.
* - Reset RED LED(D15)
* - OpenSDA LED(D16)
* - USER LED(D18)
*
* Only a single LED, D18, is under software control.
*/
/* LED index values for use with board_userled() */
#define BOARD_USERLED 0
#define BOARD_NLEDS 1
/* LED bits for use with board_userled_all() */
#define BOARD_USERLED_BIT (1 << BOARD_USERLED)
/* This LED is not used by the board port unless CONFIG_ARCH_LEDS is
* defined. In that case, the usage by the board port is defined in
* include/board.h and src/imxrt_autoleds.c. The LED is used to encode
* OS-related events as follows:
*
* -------------------- ----------------------------- ------
* SYMBOL Meaning LED
* -------------------- ----------------------------- ------
*/
#define LED_STARTED 0 /* NuttX has been started OFF */
#define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF */
#define LED_IRQSENABLED 0 /* Interrupts enabled OFF */
#define LED_STACKCREATED 1 /* Idle stack created ON */
#define LED_INIRQ 2 /* In an interrupt N/C */
#define LED_SIGNAL 2 /* In a signal handler N/C */
#define LED_ASSERTION 2 /* An assertion failed N/C */
#define LED_PANIC 3 /* The system has crashed FLASH */
#undef LED_IDLE /* Not used */
/* Thus if the LED is statically on, NuttX has successfully booted and is,
* apparently, running normally. If the LED is flashing at approximately
* 2Hz, then a fatal error has been detected and the system has halted.
*/
/* Button definitions *******************************************************/
/* The IMXRT board has one external user button
*
* 1. SW8 (IRQ88) GPIO5-00
*/
#define BUTTON_SW8 0
#define BUTTON_SW8_BIT (1 << BUTTON_SW8)
/* SDIO *********************************************************************/
/* Pin drive characteristics - drive strength in particular may need tuning
* for specific boards, but has been checked by scope on the EVKB to make
* sure shapes are square with minimal ringing.
*/
#define PIN_USDHC1_D0 (GPIO_USDHC1_DATA0 | IOMUX_USDHC1_DATAX_DEFAULT)
#define PIN_USDHC1_D1 (GPIO_USDHC1_DATA1 | IOMUX_USDHC1_DATAX_DEFAULT)
#define PIN_USDHC1_D2 (GPIO_USDHC1_DATA2 | IOMUX_USDHC1_DATAX_DEFAULT)
#define PIN_USDHC1_D3 (GPIO_USDHC1_DATA3 | IOMUX_USDHC1_DATAX_DEFAULT)
#define PIN_USDHC1_DCLK (GPIO_USDHC1_CLK | IOMUX_USDHC1_CLK_DEFAULT)
#define PIN_USDHC1_CMD (GPIO_USDHC1_CMD | IOMUX_USDHC1_CMD_DEFAULT)
#define PIN_USDHC1_CD (GPIO_USDHC1_CD_2 | IOMUX_USDHC1_CLK_DEFAULT)
/* 386 KHz for initial inquiry stuff */
#define BOARD_USDHC_IDMODE_PRESCALER USDHC_SYSCTL_SDCLKFS_DIV256
#define BOARD_USDHC_IDMODE_DIVISOR USDHC_SYSCTL_DVS_DIV(2)
/* 24.8MHz for other modes */
#define BOARD_USDHC_MMCMODE_PRESCALER USDHC_SYSCTL_SDCLKFS_DIV8
#define BOARD_USDHC_MMCMODE_DIVISOR USDHC_SYSCTL_DVS_DIV(1)
#define BOARD_USDHC_SD1MODE_PRESCALER USDHC_SYSCTL_SDCLKFS_DIV8
#define BOARD_USDHC_SD1MODE_DIVISOR USDHC_SYSCTL_DVS_DIV(1)
#define BOARD_USDHC_SD4MODE_PRESCALER USDHC_SYSCTL_SDCLKFS_DIV8
#define BOARD_USDHC_SD4MODE_DIVISOR USDHC_SYSCTL_DVS_DIV(1)
/* LCD *********************************************************************/
#ifdef CONFIG_IMXRT_LCD
/* LCD controller */
# define GPIO_LCD_DATA23 GPIO_LCD_DATA23_1
# define GPIO_LCD_DATA22 GPIO_LCD_DATA22_1
# define GPIO_LCD_DATA21 GPIO_LCD_DATA21_1
# define GPIO_LCD_DATA20 GPIO_LCD_DATA20_1
# define GPIO_LCD_DATA19 GPIO_LCD_DATA19_1
# define GPIO_LCD_DATA18 GPIO_LCD_DATA18_1
# define GPIO_LCD_DATA17 GPIO_LCD_DATA17_1
# define GPIO_LCD_DATA16 GPIO_LCD_DATA16_1
# define GPIO_LCD_DATA15 GPIO_LCD_DATA15_1
# define GPIO_LCD_DATA14 GPIO_LCD_DATA14_1
# define GPIO_LCD_DATA13 GPIO_LCD_DATA13_1
# define GPIO_LCD_DATA12 GPIO_LCD_DATA12_1
# define GPIO_LCD_DATA11 GPIO_LCD_DATA11_1
# define GPIO_LCD_DATA10 GPIO_LCD_DATA10_1
# define GPIO_LCD_DATA09 GPIO_LCD_DATA09_1
# define GPIO_LCD_DATA08 GPIO_LCD_DATA08_1
# define GPIO_LCD_DATA07 GPIO_LCD_DATA07_1
# define GPIO_LCD_DATA06 GPIO_LCD_DATA06_1
# define GPIO_LCD_DATA05 GPIO_LCD_DATA05_1
# define GPIO_LCD_DATA04 GPIO_LCD_DATA04_1
# define GPIO_LCD_DATA03 GPIO_LCD_DATA03_1
# define GPIO_LCD_DATA02 GPIO_LCD_DATA02_1
# define GPIO_LCD_DATA01 GPIO_LCD_DATA01_1
# define GPIO_LCD_DATA00 GPIO_LCD_DATA00_1
# define GPIO_LCD_ENABLE GPIO_LCD_ENABLE_1
# define GPIO_LCD_HSYNC GPIO_LCD_HSYNC_1
# define GPIO_LCD_VSYNC GPIO_LCD_VSYNC_1
# define GPIO_LCD_CLK GPIO_LCD_CLK_1
#endif
/* ETH Disambiguation *******************************************************/
#define GPIO_ENET_TX_DATA00 (GPIO_ENET_TX_DATA00_1| \
IOMUX_ENET_DATA_DEFAULT) /* GPIO_B1_07 */
#define GPIO_ENET_TX_DATA01 (GPIO_ENET_TX_DATA01_1| \
IOMUX_ENET_DATA_DEFAULT) /* GPIO_B1_08 */
#define GPIO_ENET_RX_DATA00 (GPIO_ENET_RX_DATA00_1| \
IOMUX_ENET_DATA_DEFAULT) /* GPIO_B1_04 */
#define GPIO_ENET_RX_DATA01 (GPIO_ENET_RX_DATA01_1| \
IOMUX_ENET_DATA_DEFAULT) /* GPIO_B1_05 */
#define GPIO_ENET_MDIO (GPIO_ENET_MDIO_3|IOMUX_ENET_MDIO_DEFAULT) /* GPIO_EMC_41 */
#define GPIO_ENET_MDC (GPIO_ENET_MDC_3|IOMUX_ENET_MDC_DEFAULT) /* GPIO_EMC_40 */
#define GPIO_ENET_RX_EN (GPIO_ENET_RX_EN_1|IOMUX_ENET_EN_DEFAULT) /* GPIO_B1_06 */
#define GPIO_ENET_RX_ER (GPIO_ENET_RX_ER_1|IOMUX_ENET_RXERR_DEFAULT) /* GPIO_B1_11 */
#define GPIO_ENET_TX_CLK (GPIO_ENET_REF_CLK_2|\
IOMUX_ENET_TX_CLK_DEFAULT) /* GPIO_B1_10 */
#define GPIO_ENET_TX_EN (GPIO_ENET_TX_EN_1|IOMUX_ENET_EN_DEFAULT) /* GPIO_B1_09 */
/* PIO Disambiguation *******************************************************/
/* LPUARTs
*
* Virtual console port provided by OpenSDA on UART1 and
* Arduino RS-232 Shield on UART3.
*
*/
#define GPIO_LPUART1_RX (GPIO_LPUART1_RX_1|IOMUX_UART_DEFAULT) /* GPIO_AD_B0_13 */
#define GPIO_LPUART1_TX (GPIO_LPUART1_TX_1|IOMUX_UART_DEFAULT) /* GPIO_AD_B0_12 */
#define GPIO_LPUART3_RX (GPIO_LPUART3_RX_1|IOMUX_UART_DEFAULT) /* GPIO_AD_B1_07 */
#define GPIO_LPUART3_TX (GPIO_LPUART3_TX_1|IOMUX_UART_DEFAULT) /* GPIO_AD_B1_06 */
/* LPI2Cs
*
* Arduino Connector LPI2C1 and audio/gyro IO on LPI2C3.
*/
#define GPIO_LPI2C1_SDA (GPIO_LPI2C1_SDA_2|IOMUX_LPI2C_DEFAULT) /* GPIO_AD_B1_01 */
#define GPIO_LPI2C1_SCL (GPIO_LPI2C1_SCL_2|IOMUX_LPI2C_DEFAULT) /* GPIO_AD_B1_00 */
#define GPIO_LPI2C3_SDA (GPIO_LPI2C3_SDA_2|IOMUX_LPI2C_DEFAULT) /* GPIO_AD_B1_01 */
#define GPIO_LPI2C3_SCL (GPIO_LPI2C3_SCL_2|IOMUX_LPI2C_DEFAULT) /* GPIO_AD_B1_00 */
/* LPSPI
*
* Arduino Connector
*
* J24 D09 GPIO_AD_B0_02 LPSPI3_SDI
* J24 D14 GPIO_AD_B0_01 LPSPI3_SDO
* J24 D15 GPIO_AD_B0_00 LPSPI3_SCK
*/
#define GPIO_LPSPI3_SCK (GPIO_LPSPI3_SCK_2|IOMUX_LPSPI_DEFAULT) /* GPIO_AD_B0_00 */
#define GPIO_LPSPI3_MISO (GPIO_LPSPI3_SDI_2|IOMUX_LPSPI_DEFAULT) /* GPIO_AD_B0_02 */
#define GPIO_LPSPI3_MOSI (GPIO_LPSPI3_SDO_2|IOMUX_LPSPI_DEFAULT) /* GPIO_AD_B0_01 */
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_IMXRT_IMXRT1050_EVK_INCLUDE_BOARD_H */
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