# Copyright 2020 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

menuconfig CROS_EC
	bool "Chromium OS EC app"
	imply PRINTK
	imply SHELL
	imply SHELL_MINIMAL
	imply STACK_SENTINEL
	help
	  Enable the common Chromium OS EC application. This prints a message,
	  starts the EC tasks and sets up any drivers that are needed.

	  This depends on PLATFORM_EC at present, since without the shimmed
	  tasks, almost nothing can operate.

if CROS_EC

rsource "soc/Kconfig"
orsource "chip/$(ARCH)/*/Kconfig.*"

#
# Override the maximum number of preemptive priority levels.
#
config NUM_PREEMPT_PRIORITIES
	default 26

#
# Override the LOG_PRINTK to be no as it currently makes multiple
# tests timeout and a few others fail in console assertions
# TODO(b/http://b/260772137) Fix LOG_PRINTK issue and remove override
#
config LOG_PRINTK
       default n

#
# In Zephyr, the default system workqueue thread priority level is the lowest
# cooperative priority. Override its priority to the second lowest preempt
# priority. (i.e. NUM_PREEMPT_PRIORITIES - 1)
#
config SYSTEM_WORKQUEUE_PRIORITY
	default 24

# eSPI is chatty, so default to Error only
choice ESPI_LOG_LEVEL_CHOICE
	default ESPI_LOG_LEVEL_ERR
endchoice

config LTO
	bool "Link Time Optimization (LTO)"
	default y if !SOC_POSIX
	help
	  Enable the Link Time Optimization (LTO) feature for the toolchain.
	  LTO expands the scope of optimizations to encompass the whole program,
	  reducing the image size.

	  At this time, LTO is only enabled for Chromium OS source files and
	  is not enabled for the Zephyr kernel or drivers due.
	  https://github.com/zephyrproject-rtos/zephyr/issues/2112

choice CBPRINTF_IMPLEMENTATION
	default CBPRINTF_NANO

endchoice

choice
	prompt "Chromium OS EC firmware section"

config CROS_EC_RO
	bool "This build is will be for the RO copy of the EC"
	help
	  This build will be used to produce a copy for the read-only
	  section of the EC firmware.

config CROS_EC_RW
	bool "This build is will be for the RW copy of the EC"
	help
	  This build will be used to produce a copy for the read-write
	  section of the EC firmware.

endchoice

config CROS_EC_ACTIVE_COPY
	string
	default "RO" if CROS_EC_RO
	default "RW" if CROS_EC_RW
	help
	  When the active copy name is output to a console, this
	  string will be displayed.

config CROS_EC_HOOK_TICK_INTERVAL
	int "The interval time for the HOOK_TICK"
	default 250000
	help
	  Specificies the interval time for the HOOK_TICK, specified in
	  microseconds. Modules register with HOOK_TICK to be called
	  periodically by the HOOKS task. The interval must be shorter than
	  1 second and is set according the EC chipset's sleep requirements.

# When building for the host, we still need values for the various memory
# sizes, though they aren't actually used, so just set some reasonable-looking
# values and then ignore them.
config CROS_EC_RAM_SIZE
	hex "The total available RAM size."
	default 0x0000f800 if ARCH_POSIX
	help
		This value describes the total available RAM size for the chip.

config CROS_EC_DATA_RAM_SIZE
	hex "The total available RAM size for data."
	default 0x00010000 if ARCH_POSIX
	help
		This value describes the total available RAM size for data on the chip.

config CROS_EC_RAM_BASE
	hex "Base address of RAM for the chip."
	default 0x200c0000 if ARCH_POSIX
	help
		Base address of RAM for the chip.

config CROS_EC_PROGRAM_MEMORY_BASE
	hex "The base address of the program memory region."
	default 0x10090000 if ARCH_POSIX
	help
		This will be used (among other things) to calculate the current PC's
		offset within the program memory.

config CROS_EC_RO_MEM_OFF
	hex "The RO region's offset."
	default 0x0 if ARCH_POSIX
	help
		This will be used to determine if the current PC is in the RO section.

config CROS_EC_RO_SIZE
	hex "The size of the RO region."
	default 0xb000 if ARCH_POSIX
	help
		This will be used (along with SYSTEM_RO_MEM_OFF) to determine if the
		current PC is in the RO section.

config CROS_EC_RW_MEM_OFF
	hex "The RW region's offset."
	default 0xb000 if ARCH_POSIX
	help
		This will be used to determine if the current PC is in the RW section.

config CROS_EC_RW_SIZE
	hex "The size of the RW region."
	default 0x75000 if ARCH_POSIX
	help
		This will be used (along with SYSTEM_RW_MEM_OFF) to determine if the
		current PC is in the RW section.

# By default, a unit test doesn't need shimmed tasks.
config SHIMMED_TASKS
	bool "Add support for shimming in platform/ec tasks as Zephyr threads"
	default n if ARCH_POSIX
	help
	  When this option is enabled, a shimmed_tasks.h header with the
	  CROS_EC_TASK_LIST defined needs to be included for the project to
	  build. The CROS_EC_TASK_LIST defines a list of CROS_EC_TASK that
	  should be shimmed in.

#
# These shell options are turned off by MINIMAL_SHELL, but are important to us;
# override Zephyr's default to keep them on.
#
config SHELL_HISTORY
  default y

config SHELL_TAB
  default y

config SHELL_TAB_AUTOCOMPLETION
  default y if SHELL_TAB

config SHELL_HELP
  default y

config KERNEL_SHELL
  default y
endif # CROS_EC