cf8c25df64
This port was the joing effort of Janne Rosberg, Ivan Ucherdzhiev, and myself. I give credit to Ivan for the kill because he is the one to held on to the end.
Squashed commit of the following:
Author: Gregory Nutt <gnutt@nuttx.org>
configs/imxrt1050-evk/scripts: Add section to linker script to handle the case where RAMFUNCs are enabled. RAMFUNCs appear to be enabled in the default configuration ... they probably should not be enabled.
Author: Ivan Ucherdzhiev <ivanucherdjiev@gmail.com>
arch/arm/src/imxrt: imxrt_lowputc.c is finished. Now everything needed for the initial port is done and ready for testing.
arch/arm/src/imxrt: Add logic to imxrt_lowputc.c. Still incomplete.
Author: Ivan Ucherdzhiev <ivanucherdjiev@gmail.com>
arch/arm/src/imxrt: Add serial support. configs/imxrt1050-evk: Add linker script.
Author: Gregory Nutt <gnutt@nuttx.org>
arch/arm/src/imxrt: Add initial cut at imxrt_allocateheap.c
Author: Ivan Ucherdzhiev <ivanucherdjiev@gmail.com>
arm/arm/src/imxrt: Completes all definitions for PADMUX, CTLMUX, and IOMUX_INPUT and mapping tables on imxrt_gpio.c and imxr_iomuxc.c.
arch/arm/src/imxrt/chip: Add definitions for IMXRT_PADCTL and IMXRT_PADMUX registers. Only the IMXRT_INPUT definitions in this commit.
arch/arm/src/imxrt/chip: Add more IOMUXC register definitions.
Author: Gregory Nutt <gnutt@nuttx.org>
configs/imxrt1050-evk: Add STRIP definition to Make.defs.
arch/arm/src/imxrt: Bring in i.MX6 memory configuration settings.
arch/arm/src/imxrt: Remove call to non-existent imxrt_gpioinit() from imxrt_start.c.
arch/arm/src/imxrt: Bring in incomplete imxrt_iomuxc.c file from i.mx6.
arch/arm/src/imxrt: Add first cut at GPIO interrupt logic.
arch/arm/include: Add definitions to support a second level of GPIO pin interrupts.
Author: Janne Rosberg <janne.rosberg@offcode.fi>
arch/arm/src/imxrt: Add imxrt_wdog.c/.h
Author: Gregory Nutt <gnutt@nuttx.org>
arch/arm/src/imxrt: Port SAMv7 interrupt logic to imxrt_irq.c.
arch/arm/src/imxrt: More clarification of the start-up memory map.
arch/arm/src/imxrt: Some mostly cosmetic clean-up to the imxrt_start.c file that was so rudely taken from the SAMv7.
arch/arm/src/imxrt: Add imxrt_start.c. Initial commit is the the SAMv7 startup logic with name changes.
Author: Ivan Ucherdzhiev <ivanucherdjiev@gmail.com>
arch/arm/src/imxrt: Adds a few IOMUXC register definitions.
Author: Janne Rosberg <janne.rosberg@offcode.fi>
arch/arm/src/imxrt: Add imxrt_clockconfig.c/.h
configs/imxrt1050-evk: Add clock configuration definitions to board.h
arch/arm/src/imxrt: Fix CCM register name; Fix doubly defined in LPUART bit field.
arch/arm/src/imxrt: Add analog defines to CCM register definition header file.
Author: Gregory Nutt <gnutt@nuttx.org>
arch/arm/src/imxrt: Bring in GPIO C files from i.MX6. Things are in disarray now because that GPIO logic depends on IOMUXC logic which is not yet in place.
arch/arm/src/imxrt: Add a few more GPIO definitions to make the header file compatible with i.MX6
arch/arm/src/imxrt/chip: Add GPIO register definition file.
Author: Janne Rosberg <janne.rosberg@offcode.fi>
arch/arm/src/imxrt: Add DCDC register definitions.
arch/arm/srch/imxrt: Add CCM register bit definitions
Author: Gregory Nutt <gnutt@nuttx.org>
Purely cosmetic
arch/arm/src/imxrt: Add system reset controller register definition header file.
Embarassingly trivial change left in compiler.
arch/arm/src/imxrt: Finishes i.MX RT1050 LPUART register definition header file.
arch/arm/src/imxrt: Beginning of an i.MX RT1050 LPUART register definition header file.
Some trivial things
Author: Janne Rosberg <janne.rosberg@offcode.fi>
arch/arm/src/imxrt: Add imxrt_wdog.h
arch/arm/src/imxrt: Add initial imxrt_ccm.h
Author: Gregory Nutt <gnutt@nuttx.org>
Trivial update to README.
arch/arm/src/imxrt: The i.MX Rt implements 4 bits of interrupt priority, not two. Thanks, Janne.
arch/arm/src/imxrt: Fix some initial compile issues. Still a long way from complete, but there is a buildable environment now for the imxrt1050-evk.
configs/imxrt1050-evk: Add an initial NSH configuration for testing.
configs/Kconfig: Hook the i.MX RT 1050 board configuration into the NuttX configuration system.
configs/imxrt_evk: Add the framework for i.MX RT 1050 board support.
arch/arm/src/imxrt: Bring in a few more files from LPC54xxx.
arch/arm/src/imxrt: Bring in imxrt_clrpend() from the LPC54xxx.
arch/arm/src/imxrt: Bring in Cortex-M7 SysTick setup from the SAMv7.
arch/arm/src/imxrt: Add a few easy files.
arch/arm/src/imxrt/chip: Add memory map header files.
arch/arm/src/imxrt: A few basic files to start the port to the i.MX RT 1050.
169 lines
5.1 KiB
Plaintext
169 lines
5.1 KiB
Plaintext
README
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======
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This README file provides information about the port of NuttX to the NXP
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i.MXRT evaluation kit, MIMXRT1050-EVKB. This board features the
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MIMXRT1052DVL6A MCU. Some of the features of this board include:
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o Processor
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- MIMXRT1052DVL6A processor
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o Memory
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- 256 Mb SDRAM memory
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- 512 Mb Hyper Flash
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- Footprint for QSPI Flash
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- TF socket for SD card
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o Display and Audio
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- Parallel LCD connector
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- Camera connector
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- Audio CODEC
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- 4-pole audio headphone jack
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- External speaker connection
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- Microphone
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- SPDIF connector
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o Connectivity
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- Micro USB host and OTG connectors
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- Ethernet (10/100T) connector
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- CAN transceivers
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- Arduino® interface
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Contents
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========
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o Serial Console
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o LEDs and buttons
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o Configurations
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- Configuration sub-directories
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Serial Console
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==============
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To be provided.
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GPIO_AD_B0_12 LPUART1_TX UART Console
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GPIO_AD_B0_13 LPUART1_RX UART Console
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LEDs and buttons
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================
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LEDs
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----
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There are four LED status indicators located on the EVK Board. The
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functions of these LEDs include:
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- Main Power Supply(D3)
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Green: DC 5V main supply is normal.
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Red: J2 input voltage is over 5.6V.
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Off: The board is not powered.
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- Reset RED LED(D15)
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- OpenSDA LED(D16)
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- USER LED(D18)
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Only a single LED, D18, is under software control. It connects to
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GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
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This LED is not used by the board port unless CONFIG_ARCH_LEDS is
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defined. In that case, the usage by the board port is defined in
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include/board.h and src/sam_autoleds.c. The LED is used to encode
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OS-related events as follows:
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------------------- ----------------------- ------
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SYMBOL Meaning LED
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------------------- ----------------------- ------
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LED_STARTED NuttX has been started OFF
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LED_HEAPALLOCATE Heap has been allocated OFF
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LED_IRQSENABLED Interrupts enabled OFF
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LED_STACKCREATED Idle stack created ON
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LED_INIRQ In an interrupt N/C
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LED_SIGNAL In a signal handler N/C
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LED_ASSERTION An assertion failed N/C
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LED_PANIC The system has crashed FLASH
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Thus if the LED is statically on, NuttX has successfully booted and is,
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apparently, running normally. If the LED is flashing at approximately
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2Hz, then a fatal error has been detected and the system has halted.
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Buttons
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-------
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There are four user interface switches on the MIMXRT1050 EVK Board:
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- SW1: Power Switch (slide switch)
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- SW2: ON/OFF Button
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- SW3: Reset button
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- SW8: User button
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Only the user button is available to the software. It is sensed on the
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WAKEUP pin which will be pulled low when the button is pressed.
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Configurations
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==============
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Information Common to All Configurations
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----------------------------------------
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Each i.MX RT 10050 configuration is maintained in a sub-directory and
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can be selected as follow:
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tools/configure.sh [OPTIONS] imxrt1050-evk/<subdir>
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Where typical options are -l to configure to build on Linux or -c to
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configure for Cygwin under Linux. 'tools/configure.sh -h' will show
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you all of the options.
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Before building, make sure the PATH environment variable include the
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correct path to the directory than holds your toolchain binaries.
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And then build NuttX by simply typing the following. At the conclusion of
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the make, the nuttx binary will reside in an ELF file called, simply, nuttx.
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make
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The <subdir> that is provided above as an argument to the tools/configure.sh
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must be is one of the following.
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NOTES:
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1. These configurations use the mconf-based configuration tool. To
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change any of these configurations using that tool, you should:
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a. Build and install the kconfig-mconf tool. See nuttx/README.txt
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see additional README.txt files in the NuttX tools repository.
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b. Execute 'make menuconfig' in nuttx/ in order to start the
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reconfiguration process.
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2. Unless stated otherwise, all configurations generate console
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output on UART3 (i.e., for the Arduino serial shield).
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3. All of these configurations are set up to build under Windows using the
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"GNU Tools for ARM Embedded Processors" that is maintained by ARM
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(unless stated otherwise in the description of the configuration).
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https://developer.arm.com/open-source/gnu-toolchain/gnu-rm
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That toolchain selection can easily be reconfigured using
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'make menuconfig'. Here are the relevant current settings:
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Build Setup:
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CONFIG_HOST_WINDOWS=y : Window environment
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CONFIG_WINDOWS_CYGWIN=y : Cywin under Windows
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System Type -> Toolchain:
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CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIW=y : GNU ARM EABI toolchain
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Configuration sub-directories
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-----------------------------
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nsh:
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Configures the NuttShell (nsh) located at examples/nsh. This NSH
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configuration is focused on low level, command-line driver testing.
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It has no network.
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