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drivers: interrupt_controller: add intc_nrfx_clic

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Add interrupt controller driver for Nordic Semiconductor
VPR CLIC.

Signed-off-by: Marcin Szymczyk <marcin.szymczyk@nordicsemi.no>
This commit is contained in:
Marcin Szymczyk 2024-04-04 11:08:44 +02:00 committed by Carles Cufí
parent e4364413c2
commit 5bba170ea7
4 changed files with 62 additions and 0 deletions
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2
drivers/interrupt_controller/CMakeLists.txt
View file

@ -33,6 +33,8 @@ zephyr_library_sources_ifdef(CONFIG_VEXRISCV_LITEX_IRQ intc_vexriscv_litex.
zephyr_library_sources_ifdef(CONFIG_VIM intc_vim.c)
zephyr_library_sources_ifdef(CONFIG_NUCLEI_ECLIC intc_nuclei_eclic.c)
zephyr_library_sources_ifdef(CONFIG_NUCLEI_ECLIC intc_nuclei_eclic.S)
zephyr_library_sources_ifdef(CONFIG_NRFX_CLIC intc_nrfx_clic.c)
zephyr_library_sources_ifdef(CONFIG_NRFX_CLIC intc_nrfx_clic.S)
zephyr_library_sources_ifdef(CONFIG_NXP_S32_EIRQ intc_eirq_nxp_s32.c)
zephyr_library_sources_ifdef(CONFIG_NXP_S32_WKPU intc_wkpu_nxp_s32.c)
zephyr_library_sources_ifdef(CONFIG_XMC4XXX_INTC intc_xmc4xxx.c)

11
drivers/interrupt_controller/Kconfig.clic
View file

@ -10,9 +10,20 @@ config NUCLEI_ECLIC
help
Interrupt controller for Nuclei SoC core.
config NRFX_CLIC
bool "VPR Core Local Interrpt Controller (CLIC)"
default y
depends on DT_HAS_NORDIC_NRF_CLIC_ENABLED
help
Interrupt controller for Nordic VPR cores.
if NUCLEI_ECLIC
config LEGACY_CLIC
bool "Use the legacy clic specification"
depends on RISCV_HAS_CLIC
help
Enables legacy clic, where smclicshv extension is not supported and
hardware vectoring is set via mode bits of mtvec.
endif # NUCLEI_ECLIC

15
drivers/interrupt_controller/intc_nrfx_clic.S Normal file
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@ -0,0 +1,15 @@
/*
* Copyright (C) 2024 Nordic Semiconductor ASA
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/toolchain.h>
/* Exports */
GTEXT(__soc_handle_irq)
/*
* No need to clear anything, pending bit is cleared by HW.
*/
SECTION_FUNC(exception.other, __soc_handle_irq)
ret

34
drivers/interrupt_controller/intc_nrfx_clic.c Normal file
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@ -0,0 +1,34 @@
/*
* Copyright (c) 2024, Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/kernel.h>
#include <zephyr/drivers/interrupt_controller/riscv_clic.h>
#include <hal/nrf_vpr_clic.h>
void riscv_clic_irq_enable(uint32_t irq)
{
nrf_vpr_clic_int_enable_set(NRF_VPRCLIC, irq, true);
}
void riscv_clic_irq_disable(uint32_t irq)
{
nrf_vpr_clic_int_enable_set(NRF_VPRCLIC, irq, false);
}
int riscv_clic_irq_is_enabled(uint32_t irq)
{
return nrf_vpr_clic_int_enable_check(NRF_VPRCLIC, irq);
}
void riscv_clic_irq_priority_set(uint32_t irq, uint32_t pri, uint32_t flags)
{
nrf_vpr_clic_int_priority_set(NRF_VPRCLIC, irq, NRF_VPR_CLIC_INT_TO_PRIO(pri));
}
void riscv_clic_irq_set_pending(uint32_t irq)
{
nrf_vpr_clic_int_pending_set(NRF_VPRCLIC, irq);
}