nuttx/configs/imxrt1050-evk/include/board.h
2019-04-30 16:08:46 -06:00

294 lines
11 KiB
C

/************************************************************************************
* configs/imxrt1050/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 __CONFIGS_IMXRT1050_EVK_INCLUDE_BOARD_H
#define __CONFIGS_IMXRT1050_EVK_INCLUDE_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
/************************************************************************************
* 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
*
* PRECLK_CLOCK_ROOT = IPG_CLOCK_ROOT / IMXRT_PERCLK_PODF_DIVIDER
* IMXRT_PERCLK_PODF_DIVIDER = 1
* 150Mhz = 150Mhz / 1
*
* 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)
*/
#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_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 BOARD_CPU_FREQUENCY \
(BOARD_XTAL_FREQUENCY * (IMXRT_ARM_PLL_DIV_SELECT / 2)) / IMXRT_ARM_PODF_DIVIDER
/* 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 USDHC1_DATAX_IOMUX (IOMUX_SLEW_FAST | IOMUX_DRIVE_130OHM | \
IOMUX_PULL_UP_47K | IOMUX_SCHMITT_TRIGGER)
#define USDHC1_CMD_IOMUX (IOMUX_SLEW_FAST | IOMUX_DRIVE_130OHM | \
IOMUX_PULL_UP_47K | IOMUX_SCHMITT_TRIGGER)
#define USDHC1_CLK_IOMUX (IOMUX_SLEW_FAST | IOMUX_DRIVE_130OHM | IOMUX_SPEED_MAX)
#define USDHC1_CD_IOMUX (0)
#define PIN_USDHC1_D0 (GPIO_USDHC1_DATA0 | USDHC1_DATAX_IOMUX)
#define PIN_USDHC1_D1 (GPIO_USDHC1_DATA1 | USDHC1_DATAX_IOMUX)
#define PIN_USDHC1_D2 (GPIO_USDHC1_DATA2 | USDHC1_DATAX_IOMUX)
#define PIN_USDHC1_D3 (GPIO_USDHC1_DATA3 | USDHC1_DATAX_IOMUX)
#define PIN_USDHC1_DCLK (GPIO_USDHC1_CLK | USDHC1_CLK_IOMUX)
#define PIN_USDHC1_CMD (GPIO_USDHC1_CMD | USDHC1_CMD_IOMUX)
#define PIN_USDHC1_CD (GPIO_USDHC1_CD_2 | USDHC1_CD_IOMUX)
/* 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)
/* ETH Disambiguation ***************************************************************/
#define GPIO_ENET_MDIO GPIO_ENET_MDIO_3
#define GPIO_ENET_MDC GPIO_ENET_MDC_3
#define GPIO_ENET_RX_EN GPIO_ENET_RX_EN_1
#define GPIO_ENET_RX_ER GPIO_ENET_RX_ER_1
#define GPIO_ENET_TX_CLK GPIO_ENET_TX_CLK_1
#define GPIO_ENET_TX_EN GPIO_ENET_TX_EN_1
/* PIO Disambiguation ***************************************************************/
/* LPUARTs
*
* Virtual console port provided by OpenSDA:
*
* UART1_TXD GPIO_AD_B0_12 LPUART1_TX
* UART1_RXD GPIO_AD_B0_13 LPUART1_RX
*
* NOTE: There are no alternative pin configurations for LPUART1.
*
* Arduino RS-232 Shield:
*
* J22 D0 UART_RX/D0 GPIO_AD_B1_07 LPUART3_RX
* J22 D1 UART_TX/D1 GPIO_AD_B1_06 LPUART3_TX
*/
#define GPIO_LPUART3_RX GPIO_LPUART3_RX_1 /* GPIO_AD_B1_07 */
#define GPIO_LPUART3_TX GPIO_LPUART3_TX_1 /* GPIO_AD_B1_06 */
/* LPI2Cs
*
* Arduino Connector
*
* J23 A4 A4/ADC4/SDA GPIO_AD_B1_01 LPI2C1_SDA
* J23 A5 A5/ADC5/SCL GPIO_AD_B1_00 LPI2C1_SCL
*/
#define GPIO_LPI2C1_SDA GPIO_LPI2C1_SDA_2 /* GPIO_AD_B1_01 */
#define GPIO_LPI2C1_SCL GPIO_LPI2C1_SCL_2 /* GPIO_AD_B1_00 */
#define GPIO_LPI2C3_SDA GPIO_LPI2C3_SDA_2 /* GPIO_AD_B1_01 */
#define GPIO_LPI2C3_SCL GPIO_LPI2C3_SCL_2 /* 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 /* GPIO_AD_B0_00 */
#define GPIO_LPSPI3_MISO GPIO_LPSPI3_SDI_2 /* GPIO_AD_B0_02 */
#define GPIO_LPSPI3_MOSI GPIO_LPSPI3_SDO_2 /* 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 /* __CONFIGS_IMXRT1050_EVK_INCLUDE_BOARD_H */