# Copyright (c) 2022 Carlo Caione <ccaione@baylibre.com>
# SPDX-License-Identifier: Apache-2.0

config PLIC
	bool "Platform Level Interrupt Controller (PLIC)"
	default y
	depends on DT_HAS_SIFIVE_PLIC_1_0_0_ENABLED
	select MULTI_LEVEL_INTERRUPTS
	select 2ND_LEVEL_INTERRUPTS
	help
	  Platform Level Interrupt Controller provides support
	  for external interrupt lines defined by the RISC-V SoC.

if PLIC

config PLIC_SUPPORTS_SOFT_INTERRUPT
	bool
	default y
	depends on DT_HAS_ANDESTECH_NCEPLIC100_ENABLED
	help
	  Enabled when the PLIC supports software-triggered interrupts.

config PLIC_SUPPORTS_TRIG_TYPE
	bool
	default y
	depends on DT_HAS_ANDESTECH_NCEPLIC100_ENABLED
	help
	  Enabled when the PLIC supports multiple trigger types,
	  such as level, edge, etc.

if PLIC_SUPPORTS_TRIG_TYPE

config PLIC_TRIG_TYPE_REG_OFFSET
	hex "Trigger type register offset"
	default 0x1080 if DT_HAS_ANDESTECH_NCEPLIC100_ENABLED
	help
	  Offset to the 'trigger type' register.

config PLIC_TRIG_TYPE_BITWIDTH
	int "Trigger type bitwidth"
	default 1
	help
	  Number of bits required to differentiate between the trigger types.

config PLIC_SUPPORTS_TRIG_EDGE
	bool
	default y
	depends on DT_HAS_ANDESTECH_NCEPLIC100_ENABLED
	help
	  Enabled when the PLIC supports edge-triggered interrupt.

endif # PLIC_SUPPORTS_TRIG_TYPE

config PLIC_IRQ_AFFINITY
	bool "Configure IRQ affinity"
	depends on SMP
	depends on MP_MAX_NUM_CPUS > 1
	help
	  Enable configuration of IRQ affinity.

config PLIC_IRQ_AFFINITY_MASK
	hex "Default IRQ affinity mask"
	depends on PLIC_IRQ_AFFINITY
	default 0x1
	help
	  Default mask for the driver when IRQ affinity is enabled.

config PLIC_SHELL
	bool "PLIC shell commands"
	depends on SHELL
	help
	  Enable additional shell commands useful for debugging.
	  Caution: This can use quite a bit of RAM (PLICs * IRQs * sizeof(uint16_t)).

if PLIC_SHELL

config PLIC_SHELL_IRQ_COUNT
	bool "IRQ count shell commands"
	default y
	help
	  Records the number of hits per interrupt line and provide shell commands to access them.
	  Caution: This can use quite a bit of RAM (PLICs * IRQs * sizeof(PLIC_IRQ_COUNT_TYPE)).

config PLIC_SHELL_IRQ_AFFINITY
	bool "Shell commands to configure IRQ affinity"
	default y
	depends on PLIC_IRQ_AFFINITY
	help
	  Provide shell commands to configure IRQ affinity in runtime.

endif # PLIC_SHELL

endif # PLIC