mec172xmodular_assy6930: add board support

#

# Copyright (c) 2022 Microchip Technology Inc.

#

# SPDX-License-Identifier: Apache-2.0

#

zephyr_library()

#Allow users to pre-specify the tool using '-DMEC172X_SPI_GEN=<path-to-tool>/toolname'

if (NOT DEFINED MEC172X_SPI_GEN)

  set(MEC172X_SPI_GEN $ENV{MEC172X_SPI_GEN})

endif()

find_program (MEC172X_SPI_GEN NAMES mec172x_spi_gen_lin_x86_64 mec172x_spi_gen)

if(MEC172X_SPI_GEN STREQUAL MEC172X_SPI_GEN-NOTFOUND)

  message(WARNING "Microchip SPI Image Generation tool is not available. SPI Image will not be generated.")

endif()

if (NOT DEFINED MEC172X_SPI_CFG)

  set(MEC172X_SPI_CFG $ENV{MEC172X_SPI_CFG})

endif()

find_file (MEC172X_SPI_CFG NAMES spi_cfg_4MBit.txt spi_cfg_128MBit.txt spi_cfg.txt PATHS ${BOARD_DIR}/support)

if(MEC172X_SPI_CFG STREQUAL MEC172X_SPI_CFG-NOTFOUND)

  message(WARNING "Microchip SPI Image Generation tool configuration file is not available. SPI Image will not be generated.")

endif()

if (NOT MEC172X_SPI_GEN STREQUAL MEC172X_SPI_GEN-NOTFOUND AND NOT MEC172X_SPI_CFG STREQUAL MEC172X_SPI_CFG-NOTFOUND)

  set_property(GLOBAL APPEND PROPERTY extra_post_build_commands

    COMMAND ${MEC172X_SPI_GEN}

    -i ${MEC172X_SPI_CFG}

    -o ${PROJECT_BINARY_DIR}/${SPI_IMAGE_NAME}

  )

  unset(MEC172X_SPI_GEN)

  unset(MEC172X_SPI_CFG)

endif()

# Copyright (c) 2022, Microchip Technology Inc.

# SPDX-License-Identifier: Apache-2.0

config BOARD_MEC172XMODULAR_ASSY6930

	bool "Microchip MEC172X MODULAR ASSY 6930 Development board"

	depends on SOC_MEC172X_NSZ

# Copyright (c) 2022 Microchip Technology Inc.

# SPDX-License-Identifier: Apache-2.0

if BOARD_MEC172XMODULAR_ASSY6930

config BOARD

	default "mec172xmodular_assy6930"

if RTOS_TIMER

# XEC RTOS timer HW frequency is fixed at 32768 Hz.

# The driver requires tickless mode and ticks per second to be 32768 for

# accurate operation.

config SYS_CLOCK_HW_CYCLES_PER_SEC

	default 32768

config SYS_CLOCK_TICKS_PER_SEC

	default 32768

endif # RTOS_TIMER

if !RTOS_TIMER

# If RTOS timer is not enabled we use ARM Cortex-M

# SYSTICK. SYSTICK frequency is 96 MHz divided down by the MEC172x PCR

# processor clock divider register. We assume PCR processor clock divider

# is set to 1. Refer to SOC_MEC172X_PROC_CLK_DIV

#

config SYS_CLOCK_HW_CYCLES_PER_SEC

	default 96000000

config SYS_CLOCK_TICKS_PER_SEC

	default 1000

endif # RTOS_TIMER

endif # BOARD_MEC172XMODULAR_ASSY6930

# SPDX-License-Identifier: Apache-2.0

set(SPI_IMAGE_NAME spi_image.bin)

board_set_flasher_ifnset(dediprog)

# --vcc=0 - use 3.5V to flash

board_finalize_runner_args(dediprog

  "--spi-image=${PROJECT_BINARY_DIR}/${SPI_IMAGE_NAME}"

  "--vcc=0"

)