Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

soc: nordic: Add LRCCONF management #79067

Open
wants to merge 3 commits into
base: main
Choose a base branch
from
Open

soc: nordic: Add LRCCONF management #79067

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
77652a5
soc: nordic: Add LRCCONF management
adamkondraciuk Sep 18, 2024
dc871e9
dts: arm: nordic: Add power states for nRF54H20
adamkondraciuk Oct 2, 2024
a65320d
soc: nordic: nrf54h: disable IRQ before PM config
adamkondraciuk Nov 12, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
35 changes: 0 additions & 35 deletions drivers/clock_control/clock_control_nrf2_common.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@
*/

#include "clock_control_nrf2_common.h"
#include <hal/nrf_lrcconf.h>

#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(clock_control_nrf2, CONFIG_CLOCK_CONTROL_LOG_LEVEL);
Expand All @@ -25,9 +24,6 @@ LOG_MODULE_REGISTER(clock_control_nrf2, CONFIG_CLOCK_CONTROL_LOG_LEVEL);
*/
STRUCT_CLOCK_CONFIG(generic, ONOFF_CNT_MAX);

static sys_slist_t poweron_main_list;
static struct k_spinlock poweron_main_lock;

static void update_config(struct clock_config_generic *cfg)
{
atomic_val_t prev_flags = atomic_or(&cfg->flags, FLAG_UPDATE_NEEDED);
Expand Down Expand Up @@ -163,34 +159,3 @@ int api_nosys_on_off(const struct device *dev, clock_control_subsys_t sys)

return -ENOSYS;
}

void clock_request_lrcconf_poweron_main(struct clock_lrcconf_sink *sink)
{
K_SPINLOCK(&poweron_main_lock) {
if (sys_slist_len(&poweron_main_list) == 0) {
LOG_DBG("%s forced on", "main domain");
NRF_LRCCONF010->POWERON &= ~LRCCONF_POWERON_MAIN_Msk;
NRF_LRCCONF010->POWERON |= LRCCONF_POWERON_MAIN_AlwaysOn;
}

sys_slist_find_and_remove(&poweron_main_list, &sink->node);
sys_slist_append(&poweron_main_list, &sink->node);
}
}

void clock_release_lrcconf_poweron_main(struct clock_lrcconf_sink *sink)
{
K_SPINLOCK(&poweron_main_lock) {
if (!sys_slist_find_and_remove(&poweron_main_list, &sink->node)) {
K_SPINLOCK_BREAK;
}

if (sys_slist_len(&poweron_main_list) > 0) {
K_SPINLOCK_BREAK;
}

LOG_DBG("%s automatic", "main domain");
NRF_LRCCONF010->POWERON &= ~LRCCONF_POWERON_MAIN_Msk;
NRF_LRCCONF010->POWERON |= LRCCONF_POWERON_MAIN_Automatic;
}
}
10 changes: 0 additions & 10 deletions drivers/clock_control/clock_control_nrf2_common.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -75,14 +75,4 @@ void clock_config_update_end(void *clk_cfg, int status);

int api_nosys_on_off(const struct device *dev, clock_control_subsys_t sys);

struct clock_lrcconf_sink {
sys_snode_t node;
};

/**
* @brief Request or release lrcconf main power domain
*/
void clock_request_lrcconf_poweron_main(struct clock_lrcconf_sink *sink);
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Please remove also the struct clock_lrcconf_sink definition. There is no need to keep it as it can be replaced with just sys_snode_t.

void clock_release_lrcconf_poweron_main(struct clock_lrcconf_sink *sink);

#endif /* ZEPHYR_DRIVERS_CLOCK_CONTROL_NRF2_COMMON_H_ */
8 changes: 4 additions & 4 deletions drivers/clock_control/clock_control_nrf2_fll16m.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
#include "clock_control_nrf2_common.h"
#include <zephyr/devicetree.h>
#include <zephyr/drivers/clock_control/nrf_clock_control.h>
#include <hal/nrf_lrcconf.h>
#include <soc_lrcconf.h>

#include <zephyr/logging/log.h>
LOG_MODULE_DECLARE(clock_control_nrf2, CONFIG_CLOCK_CONTROL_LOG_LEVEL);
Expand Down Expand Up @@ -64,7 +64,7 @@ static const struct clock_options {
struct fll16m_dev_data {
STRUCT_CLOCK_CONFIG(fll16m, ARRAY_SIZE(clock_options)) clk_cfg;
struct onoff_client hfxo_cli;
struct clock_lrcconf_sink lrcconf_sink;
sys_snode_t fll16m_node;
};

struct fll16m_dev_config {
Expand All @@ -76,13 +76,13 @@ static void activate_fll16m_mode(struct fll16m_dev_data *dev_data, uint8_t mode)
/* TODO: change to nrf_lrcconf_* function when such is available. */

if (mode != FLL16M_MODE_DEFAULT) {
clock_request_lrcconf_poweron_main(&dev_data->lrcconf_sink);
soc_lrcconf_poweron_request(&dev_data->fll16m_node, NRF_LRCCONF_POWER_MAIN);
}

NRF_LRCCONF010->CLKCTRL[0].SRC = mode;

if (mode == FLL16M_MODE_DEFAULT) {
clock_release_lrcconf_poweron_main(&dev_data->lrcconf_sink);
soc_lrcconf_poweron_release(&dev_data->fll16m_node, NRF_LRCCONF_POWER_MAIN);
}

nrf_lrcconf_task_trigger(NRF_LRCCONF010, NRF_LRCCONF_TASK_CLKSTART_0);
Expand Down
8 changes: 4 additions & 4 deletions drivers/clock_control/clock_control_nrf2_hfxo.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
#include <zephyr/logging/log.h>
LOG_MODULE_DECLARE(clock_control_nrf2, CONFIG_CLOCK_CONTROL_LOG_LEVEL);

#include <hal/nrf_lrcconf.h>
#include <soc_lrcconf.h>

BUILD_ASSERT(DT_NUM_INST_STATUS_OKAY(DT_DRV_COMPAT) == 1,
"multiple instances not supported");
Expand All @@ -20,7 +20,7 @@ struct dev_data_hfxo {
struct onoff_manager mgr;
onoff_notify_fn notify;
struct k_timer timer;
struct clock_lrcconf_sink lrcconf_sink;
sys_snode_t hfxo_node;
};

struct dev_config_hfxo {
Expand Down Expand Up @@ -58,7 +58,7 @@ static void onoff_start_hfxo(struct onoff_manager *mgr, onoff_notify_fn notify)
dev_data->notify = notify;

nrf_lrcconf_event_clear(NRF_LRCCONF010, NRF_LRCCONF_EVENT_HFXOSTARTED);
clock_request_lrcconf_poweron_main(&dev_data->lrcconf_sink);
soc_lrcconf_poweron_request(&dev_data->hfxo_node, NRF_LRCCONF_POWER_MAIN);
nrf_lrcconf_task_trigger(NRF_LRCCONF010, NRF_LRCCONF_TASK_REQHFXO);

/* Due to a hardware issue, the HFXOSTARTED event is currently
Expand All @@ -74,7 +74,7 @@ static void onoff_stop_hfxo(struct onoff_manager *mgr, onoff_notify_fn notify)
CONTAINER_OF(mgr, struct dev_data_hfxo, mgr);

nrf_lrcconf_task_trigger(NRF_LRCCONF010, NRF_LRCCONF_TASK_STOPREQHFXO);
clock_release_lrcconf_poweron_main(&dev_data->lrcconf_sink);
soc_lrcconf_poweron_release(&dev_data->hfxo_node, NRF_LRCCONF_POWER_MAIN);
notify(mgr, 0);
}

Expand Down
9 changes: 6 additions & 3 deletions dts/common/nordic/nrf54h20.dtsi
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@
device_type = "cpu";
clocks = <&cpuapp_hsfll>;
clock-frequency = <DT_FREQ_M(320)>;
cpu-power-states = <&idle &s2ram>;
cpu-power-states = <&idle_cache_disabled &s2ram>;
};

cpurad: cpu@3 {
Expand All @@ -40,6 +40,7 @@
device_type = "cpu";
clocks = <&cpurad_hsfll>;
clock-frequency = <DT_FREQ_M(256)>;
cpu-power-states = <&idle_cache_disabled>;
};

cpuppr: cpu@d {
Expand Down Expand Up @@ -128,12 +129,14 @@
};

power-states {
idle: idle {
// substate-id = <0>; is reserved for "idle", cache powered on
// substate-id = <1>; is reserved for "idle-cache-retained"
idle_cache_disabled: idle_cache_disabled {
compatible = "zephyr,power-state";
power-state-name = "suspend-to-idle";
substate-id = <2>;
min-residency-us = <100000>;
};

s2ram: s2ram {
compatible = "zephyr,power-state";
power-state-name = "suspend-to-ram";
Expand Down
3 changes: 3 additions & 0 deletions soc/nordic/common/CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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)
Expand Down
61 changes: 61 additions & 0 deletions soc/nordic/common/soc_lrcconf.c
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,61 @@
/*
* 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)
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

any reason why simple reference counter is not used here? I only see that the difference is that you keep list of clients (but its not used anywhere) and allow to have non-symmetric requests (second request from the same client is not counted) but it can potentially cause some issues. Reference counter would be simpler and use less resources.

Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

At least right now there is non-symmetric requests so it couldn't be dropped

{
__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 changes: 34 additions & 0 deletions soc/nordic/common/soc_lrcconf.h
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -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_ */
3 changes: 0 additions & 3 deletions soc/nordic/nrf54h/pm_s2ram.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -111,18 +111,15 @@ int soc_s2ram_suspend(pm_s2ram_system_off_fn_t system_off)
{
int ret;

__disable_irq();
nvic_suspend(&backup_data.nvic_context);
mpu_suspend(&backup_data.mpu_context);
ret = arch_pm_s2ram_suspend(system_off);
if (ret < 0) {
__enable_irq();
return ret;
}

mpu_resume(&backup_data.mpu_context);
nvic_resume(&backup_data.nvic_context);
__enable_irq();

return ret;
}
Expand Down
Loading
Loading