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boards: Add support for SecureIoT1702
Add basic secureiot1072 support with serial ports. Tested with hello_world to run and work as expected. Signed-off-by: Timo Teräs <timo.teras@iki.fi>
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‎boards/arm/secureiot1702/CMakeLists.txt‎

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#
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# Copyright (c) 2019 Crypta Labs Ltd.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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zephyr_library()
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zephyr_library_sources(pinmux.c)

‎boards/arm/secureiot1702/Kconfig.board‎

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#
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# Copyright (c) 2019 Crypta Labs Ltd.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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config BOARD_SECUREIOT1702
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bool "Microchip SecureIoT1702"
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depends on SOC_SERIES_CEC1702
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select HAS_DTS

‎boards/arm/secureiot1702/Kconfig.defconfig‎

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#
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# Copyright (c) 2019 Crypta Labs Ltd.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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if BOARD_SECUREIOT1702
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config BOARD
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default "secureiot1702"
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if UART_NS16550
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config UART_NS16550_PORT_0
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def_bool y
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config UART_NS16550_PORT_1
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def_bool y
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endif
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endif

‎boards/arm/secureiot1702/doc/index.rst‎

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.. _secureiot1702:
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Microchip SecureIoT1702
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#######################
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Overview
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********
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This demo board features a Microchip CEC1702 cryptographic
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embedded controlled based on an ARM Cortex-M4.
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Highlights of the board:
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- CEC1702 32-bit ARM® Cortex®-M4F Controller with Integrated Crypto
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- Compact, high-contrast, serial graphic LCD Display Module with back-light
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- 2x4 matrix of push buttons inputs
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- USB-UART Converter as debug interface
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- Potentiometer to ADC channel
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- Serial Quad I/O (SQI) flash
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- OTP programmable in CEC1702
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- Two expansion headers compatible with MikroElektronika mikroBUS™ Expansion interface
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More information can be found on the `SecureIoT1702 website`_ and
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`CEC1702 website`_, and SoC programming information is available
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in the `CEC1702 datasheet`_.
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Supported Features
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==================
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The following devices are supported:
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- Nested Vectored Interrupt Controller (NVIC)
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- System Tick System Clock (SYSTICK)
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- Serial Ports (NS16550)
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Connections and IOs
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===================
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Please refer to the `SecureIoT1702 schematics`_ for the pin routings.
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Additional devices can be connected via mikroBUS expansion interface.
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Programming and Debugging
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*************************
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This board comes with a 10-pin Cortext Debug port and a separate SPI
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flash programming header.
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Applications for the ``secureiot1702`` board configuration can be
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built the usual way (see :ref:`build_an_application` for more details) which
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is then programmed directly to the external SPI flash chip.
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Flashing
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========
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# Add extra configuration :code:`CONFIG_BOOT_DELAY=4000` in :code:`prj.conf`.
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This is needed for the host USB drivers to be ready to see the boot messages.
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Build :ref:`hello_world` application. The build will result
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in :code:`zephyr_spi_image.bin`.
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: secureiot1702
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:goals: build
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#. Connect your SPI programmer to SecureIoT1702 connector X12 in order to flash.
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Then proceed to flash using flashrom v1.1 or a similar tool for flashing
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SPI chip with :code:`zephyr_spi_image.bin`.
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.. code-block:: console
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$ flashrom -w zephyr_spi_image.bin
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#. Run your favorite terminal program to listen for output. Under Linux the
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terminal should be :code:`/dev/ttyUSB0`. For example:
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.. code-block:: console
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$ minicom -D /dev/ttyUSB0 -o -b 115200
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The -o option tells minicom not to send the modem initialization
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string. Connection should be configured as follows:
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- Speed: 115200
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- Data: 8 bits
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- Parity: None
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- Stop bits: 1
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#. Connect the SecureIoT1702 to your host computer using the USB connector.
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You should see "Hello World! secureiot1702" in your terminal.
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Debugging
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=========
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You can debug an application in the usual way. Here is an example for the
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:ref:`hello_world` application.
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: mec15xxevb_assy6853
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:maybe-skip-config:
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:goals: debug
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References
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**********
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.. target-notes::
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.. _CEC1702 website:
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http://www.microchip.com/CEC1702
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.. _CEC1702 datasheet:
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http://www.microchip.com/p/207/
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.. _CEC1702 quick start guide:
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http://ww1.microchip.com/downloads/en/DeviceDoc/50002665A.pdf
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.. _SecureIoT1702 website:
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http://www.microchip.com/Developmenttools/ProductDetails.aspx?PartNO=DM990012
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.. _SecureIoT1702 schematics:
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http://microchipdeveloper.com/secureiot1702:schematic

‎boards/arm/secureiot1702/dts_fixup.h‎

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/*
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* Copyright (c) 2017 Crypta Labs Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/* This file is a temporary workaround for mapping of the generated information
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* to the current driver definitions. This will be removed when the drivers
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* are modified to handle the generated information, or the mapping of
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* generated data matches the driver definitions.
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*/
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#define DT_NUM_IRQ_PRIO_BITS DT_ARM_V7M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
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#define DT_NS16550_REG_SHIFT DT_NS16550_400F2400_REG_SHIFT
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#define DT_UART_NS16550_PORT_0_BASE_ADDR DT_NS16550_400F2400_BASE_ADDRESS
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#define DT_UART_NS16550_PORT_0_CLK_FREQ DT_NS16550_400F2400_CLOCK_FREQUENCY
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#define DT_UART_NS16550_PORT_0_NAME DT_NS16550_400F2400_LABEL
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#define DT_UART_NS16550_PORT_0_BAUD_RATE DT_NS16550_400F2400_CURRENT_SPEED
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#define DT_UART_NS16550_PORT_1_BASE_ADDR DT_NS16550_400F2800_BASE_ADDRESS
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#define DT_UART_NS16550_PORT_1_CLK_FREQ DT_NS16550_400F2800_CLOCK_FREQUENCY
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#define DT_UART_NS16550_PORT_1_NAME DT_NS16550_400F2800_LABEL
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#define DT_UART_NS16550_PORT_1_BAUD_RATE DT_NS16550_400F2800_CURRENT_SPEED

‎boards/arm/secureiot1702/pinmux.c‎

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/*
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* Copyright (c) 2017 Crypta Labs Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <device.h>
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#include <init.h>
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#include <kernel.h>
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#include "soc.h"
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static int board_init(struct device *dev)
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{
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#ifdef CONFIG_UART_NS16550_PORT_0
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/* Set clock request, muxing and power up UART0 */
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PCR_INST->CLK_REQ_2_b.UART_0_CLK_REQ = 1;
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GPIO_100_137_INST->GPIO_104_PIN_CONTROL_b.MUX_CONTROL = 1;
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GPIO_100_137_INST->GPIO_105_PIN_CONTROL_b.MUX_CONTROL = 1;
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UART0_INST->CONFIG = 0;
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UART0_INST->ACTIVATE = 1;
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#endif
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#ifdef CONFIG_UART_NS16550_PORT_1
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/* Set clock request, muxing, UART1_RX_EN and power up UART1 */
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PCR_INST->CLK_REQ_2_b.UART_1_CLK_REQ = 1;
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GPIO_140_176_INST->GPIO_170_PIN_CONTROL_b.MUX_CONTROL = 2;
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GPIO_140_176_INST->GPIO_171_PIN_CONTROL_b.MUX_CONTROL = 2;
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GPIO_100_137_INST->GPIO_113_PIN_CONTROL_b.GPIO_DIRECTION = 1;
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UART1_INST->CONFIG = 0;
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UART1_INST->ACTIVATE = 1;
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#endif
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return 0;
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}
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SYS_INIT(board_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);

‎boards/arm/secureiot1702/secureiot1702.dts‎

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/*
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* Copyright (c) 2017 Crypta Labs Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include "microchip/cec1702.dtsi"
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/ {
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model = "Microchip SecureIoT1702 board";
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compatible = "microchip,secureiot1702", "microchip,cec1702";
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chosen {
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zephyr,sram = &sram0;
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zephyr,console = &uart1;
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zephyr,flash = &flash0;
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};
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};
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&uart0 {
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status = "okay";
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current-speed = <115200>;
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};
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&uart1 {
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status = "okay";
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current-speed = <115200>;
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};
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‎boards/arm/secureiot1702/secureiot1702_defconfig‎

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#
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# Copyright (c) 2019 Crypta Labs Ltd.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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CONFIG_ARM=y
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CONFIG_SOC_SERIES_CEC1702=y
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CONFIG_BOARD_SECUREIOT1702=y
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CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=48000000
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CONFIG_SERIAL=y
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y

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