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soc: nordic: Add LRCCONF management

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Due to the possibility of simultaneous accesess to LRCCONF registers,
additional management is required.

Signed-off-by: Adam Kondraciuk <adam.kondraciuk@nordicsemi.no>
This commit is contained in:
Adam Kondraciuk 2024-09-18 17:58:24 +02:00 • committed by Fabio Baltieri
commit 9b252855fd
9 changed files with 220 additions and 117 deletions
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3
soc/nordic/common/CMakeLists.txt
View file

@ -12,6 +12,9 @@ if(CONFIG_ARM)
endif()
zephyr_library_sources_ifdef(CONFIG_POWEROFF poweroff.c)
if(CONFIG_ARM)
zephyr_library_sources_ifdef(CONFIG_NRF_PLATFORM_HALTIUM soc_lrcconf.c)
endif()
if((CONFIG_SOC_SERIES_NRF54HX OR CONFIG_SOC_SERIES_NRF92X) AND CONFIG_CPU_HAS_CUSTOM_FIXED_SOC_MPU_REGIONS)
zephyr_library_sources(nrf54hx_nrf92x_mpu_regions.c)

62
soc/nordic/common/soc_lrcconf.c Normal file
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@ -0,0 +1,62 @@
/*
* Copyright (c) 2024 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <soc_lrcconf.h>
#include <zephyr/kernel.h>
static struct k_spinlock lock;
static sys_slist_t poweron_main_list;
static sys_slist_t poweron_active_list;
void soc_lrcconf_poweron_request(sys_snode_t *node, nrf_lrcconf_power_domain_mask_t domain)
{
__ASSERT(is_power_of_two(domain), "Only one bit can be set for the domain parameter");
sys_slist_t *poweron_list;
if (domain == NRF_LRCCONF_POWER_MAIN) {
poweron_list = &poweron_main_list;
} else if (domain == NRF_LRCCONF_POWER_DOMAIN_0) {
poweron_list = &poweron_active_list;
} else {
return;
}
K_SPINLOCK(&lock) {
if (sys_slist_len(poweron_list) == 0) {
nrf_lrcconf_poweron_force_set(NRF_LRCCONF010, domain, true);
}
sys_slist_find_and_remove(poweron_list, node);
sys_slist_append(poweron_list, node);
}
}
void soc_lrcconf_poweron_release(sys_snode_t *node, nrf_lrcconf_power_domain_mask_t domain)
{
__ASSERT(is_power_of_two(domain), "Only one bit can be set for the domain parameter");
sys_slist_t *poweron_list;
if (domain == NRF_LRCCONF_POWER_MAIN) {
poweron_list = &poweron_main_list;
} else if (domain == NRF_LRCCONF_POWER_DOMAIN_0) {
poweron_list = &poweron_active_list;
} else {
return;
}
K_SPINLOCK(&lock) {
if (!sys_slist_find_and_remove(poweron_list, node)) {
K_SPINLOCK_BREAK;
}
if (sys_slist_len(poweron_list) > 0) {
K_SPINLOCK_BREAK;
}
nrf_lrcconf_poweron_force_set(NRF_LRCCONF010, domain, false);
}
}

34
soc/nordic/common/soc_lrcconf.h Normal file
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@ -0,0 +1,34 @@
/*
* Copyright (c) 2024 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file nRF SoC specific helpers for lrcconf management
*/
#ifndef ZEPHYR_SOC_NORDIC_COMMON_LRCCONF_H_
#define ZEPHYR_SOC_NORDIC_COMMON_LRCCONF_H_
#include <hal/nrf_lrcconf.h>
/**
* @brief Request lrcconf power domain
*
* @param node Pointer to the @ref sys_snode_t structure which is the ID of the
* requesting module.
* @param domain The mask that represents the power domain ID.
*/
void soc_lrcconf_poweron_request(sys_snode_t *node, nrf_lrcconf_power_domain_mask_t domain);
/**
* @brief Release lrcconf power domain
*
* @param node Pointer to the @ref sys_snode_t structure which is the ID of the
* requesting module.
* @param domain The mask that represents the power domain ID.
*/
void soc_lrcconf_poweron_release(sys_snode_t *node, nrf_lrcconf_power_domain_mask_t domain);
#endif /* ZEPHYR_SOC_NORDIC_COMMON_LRCCONF_H_ */