Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 555 insertions, 0 deletions

diff --git a/plat/mediatek/lib/pm/armv8_2/pwr_ctrl.c b/plat/mediatek/lib/pm/armv8_2/pwr_ctrl.c
new file mode 100644
index 0000000..447234a
--- /dev/null
+++ b/plat/mediatek/lib/pm/armv8_2/pwr_ctrl.c
@@ -0,0 +1,543 @@
+/*
+ * Copyright (c) 2022, Mediatek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+
+#include <common/debug.h>
+#include <drivers/arm/gicv3.h>
+#include <lib/psci/psci.h>
+#include <lib/utils.h>
+#ifdef MTK_PUBEVENT_ENABLE
+#include <vendor_pubsub_events.h>
+#endif
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/platform.h>
+
+#include <dfd.h>
+#include <lib/mtk_init/mtk_init.h>
+#include <lib/pm/mtk_pm.h>
+#include <mt_gic_v3.h>
+#include <platform_def.h>
+
+#define IS_AFFLV_PUBEVENT(_pstate) \
+	((_pstate & (MT_CPUPM_PWR_DOMAIN_MCUSYS | MT_CPUPM_PWR_DOMAIN_CLUSTER)) != 0)
+
+#ifdef MTK_PUBEVENT_ENABLE
+#define MT_CPUPM_EVENT_PWR_ON(x) ({ \
+	PUBLISH_EVENT_ARG(mt_cpupm_publish_pwr_on, (const void *)(x)); })
+
+#define MT_CPUPM_EVENT_PWR_OFF(x) ({ \
+	PUBLISH_EVENT_ARG(mt_cpupm_publish_pwr_off, (const void *)(x)); })
+
+#define MT_CPUPM_EVENT_AFFLV_PWR_ON(x) ({ \
+	PUBLISH_EVENT_ARG(mt_cpupm_publish_afflv_pwr_on, (const void *)(x)); })
+
+#define MT_CPUPM_EVENT_AFFLV_PWR_OFF(x) ({ \
+	PUBLISH_EVENT_ARG(mt_cpupm_publish_afflv_pwr_off, (const void *)(x)); })
+
+#else
+#define MT_CPUPM_EVENT_PWR_ON(x) ({ (void)x; })
+#define MT_CPUPM_EVENT_PWR_OFF(x) ({ (void)x; })
+#define MT_CPUPM_EVENT_AFFLV_PWR_ON(x) ({ (void)x; })
+#define MT_CPUPM_EVENT_AFFLV_PWR_OFF(x) ({ (void)x; })
+#endif
+
+/*
+ * The cpu require to cluster power stattus
+ * [0] : The cpu require cluster power down
+ * [1] : The cpu require cluster power on
+ */
+#define coordinate_cluster(onoff) write_clusterpwrdn_el1(onoff)
+#define coordinate_cluster_pwron() coordinate_cluster(1)
+#define coordinate_cluster_pwroff() coordinate_cluster(0)
+
+/* defaultly disable all functions */
+#define MTK_CPUPM_FN_MASK_DEFAULT	(0)
+
+struct mtk_cpu_pwr_ctrl {
+	unsigned int fn_mask;
+	struct mtk_cpu_pm_ops *ops;
+	struct mtk_cpu_smp_ops *smp;
+};
+
+static struct mtk_cpu_pwr_ctrl mtk_cpu_pwr = {
+	.fn_mask = MTK_CPUPM_FN_MASK_DEFAULT,
+	.ops = NULL,
+};
+
+#define IS_CPUIDLE_FN_ENABLE(x)	((mtk_cpu_pwr.ops != NULL) && ((mtk_cpu_pwr.fn_mask & x) != 0))
+#define IS_CPUSMP_FN_ENABLE(x)	((mtk_cpu_pwr.smp != NULL) && ((mtk_cpu_pwr.fn_mask & x) != 0))
+
+/* per-cpu power state */
+static unsigned int armv8_2_power_state[PLATFORM_CORE_COUNT];
+
+#define armv8_2_get_pwr_stateid(cpu) psci_get_pstate_id(armv8_2_power_state[cpu])
+
+static unsigned int get_mediatek_pstate(unsigned int domain, unsigned int psci_state,
+					struct mtk_cpupm_pwrstate *state)
+{
+	if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_CPUPM_GET_PWR_STATE)) {
+		return mtk_cpu_pwr.ops->get_pstate(domain, psci_state, state);
+	}
+
+	return 0;
+}
+
+unsigned int armv8_2_get_pwr_afflv(const psci_power_state_t *state_info)
+{
+	int i;
+
+	for (i = (int)PLAT_MAX_PWR_LVL; i >= (int)PSCI_CPU_PWR_LVL; i--) {
+		if (is_local_state_run(state_info->pwr_domain_state[i]) == 0) {
+			return (unsigned int) i;
+		}
+	}
+
+	return PSCI_INVALID_PWR_LVL;
+}
+
+/* MediaTek mcusys power on control interface */
+static void armv8_2_mcusys_pwr_on_common(const struct mtk_cpupm_pwrstate *state)
+{
+	gicv3_distif_init();
+	mt_gic_distif_restore();
+	gic_sgi_restore_all();
+
+	dfd_resume();
+
+	/* Add code here that behavior before system enter mcusys'on */
+	if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_RESUME_MCUSYS)) {
+		mtk_cpu_pwr.ops->mcusys_resume(state);
+	}
+}
+
+/* MediaTek mcusys power down control interface */
+static void armv8_2_mcusys_pwr_dwn_common(const struct mtk_cpupm_pwrstate *state)
+{
+	mt_gic_distif_save();
+	gic_sgi_save_all();
+
+	/* Add code here that behaves before entering mcusys off */
+	if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_SUSPEND_MCUSYS)) {
+		mtk_cpu_pwr.ops->mcusys_suspend(state);
+	}
+}
+
+/* MediaTek Cluster power on control interface */
+static void armv8_2_cluster_pwr_on_common(const struct mtk_cpupm_pwrstate *state)
+{
+	/* Add code here that behavior before system enter cluster'on */
+#if defined(MTK_CM_MGR) && !defined(MTK_FPGA_EARLY_PORTING)
+	/* init cpu stall counter */
+	init_cpu_stall_counter_all();
+#endif
+
+	if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_RESUME_CLUSTER)) {
+		mtk_cpu_pwr.ops->cluster_resume(state);
+	}
+}
+
+/* MediaTek Cluster power down control interface */
+static void armv8_2_cluster_pwr_dwn_common(const struct mtk_cpupm_pwrstate *state)
+{
+	if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_SUSPEND_CLUSTER)) {
+		mtk_cpu_pwr.ops->cluster_suspend(state);
+	}
+}
+
+/* MediaTek CPU power on control interface */
+static void armv8_2_cpu_pwr_on_common(const struct mtk_cpupm_pwrstate *state, unsigned int pstate)
+{
+	coordinate_cluster_pwron();
+
+	gicv3_rdistif_init(plat_my_core_pos());
+	gicv3_cpuif_enable(plat_my_core_pos());
+
+	/* If MCUSYS has been powered down then restore GIC redistributor for all CPUs. */
+	if (IS_PLAT_SYSTEM_RETENTION(state->pwr.afflv)) {
+		mt_gic_rdistif_restore_all();
+	} else {
+		mt_gic_rdistif_restore();
+	}
+}
+
+/* MediaTek CPU power down control interface */
+static void armv8_2_cpu_pwr_dwn_common(const struct mtk_cpupm_pwrstate *state, unsigned int pstate)
+{
+	if ((pstate & MT_CPUPM_PWR_DOMAIN_PERCORE_DSU) != 0) {
+		coordinate_cluster_pwroff();
+	}
+
+	mt_gic_rdistif_save();
+	gicv3_cpuif_disable(plat_my_core_pos());
+	gicv3_rdistif_off(plat_my_core_pos());
+}
+
+static void armv8_2_cpu_pwr_resume(const struct mtk_cpupm_pwrstate *state, unsigned int pstate)
+{
+	armv8_2_cpu_pwr_on_common(state, pstate);
+	if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_RESUME_CORE)) {
+		mtk_cpu_pwr.ops->cpu_resume(state);
+	}
+}
+
+static void armv8_2_cpu_pwr_suspend(const struct mtk_cpupm_pwrstate *state, unsigned int pstate)
+{
+	if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_SUSPEND_CORE)) {
+		mtk_cpu_pwr.ops->cpu_suspend(state);
+	}
+	armv8_2_cpu_pwr_dwn_common(state, pstate);
+}
+
+static void armv8_2_cpu_pwr_on(const struct mtk_cpupm_pwrstate *state, unsigned int pstate)
+{
+	armv8_2_cpu_pwr_on_common(state, pstate);
+
+	if (IS_CPUSMP_FN_ENABLE(MTK_CPUPM_FN_SMP_CORE_ON)) {
+		mtk_cpu_pwr.smp->cpu_on(state);
+	}
+}
+
+static void armv8_2_cpu_pwr_off(const struct mtk_cpupm_pwrstate *state, unsigned int pstate)
+{
+	if (IS_CPUSMP_FN_ENABLE(MTK_CPUPM_FN_SMP_CORE_OFF)) {
+		mtk_cpu_pwr.smp->cpu_off(state);
+	}
+	armv8_2_cpu_pwr_dwn_common(state, pstate);
+}
+
+/* MediaTek PSCI power domain */
+static int armv8_2_power_domain_on(u_register_t mpidr)
+{
+	int ret = PSCI_E_SUCCESS;
+	int cpu = plat_core_pos_by_mpidr(mpidr);
+	uintptr_t entry = plat_pm_get_warm_entry();
+
+	if (IS_CPUSMP_FN_ENABLE(MTK_CPUPM_FN_PWR_ON_CORE_PREPARE)) {
+		if (mtk_cpu_pwr.smp->cpu_pwr_on_prepare(cpu, entry) != 0) {
+			ret = PSCI_E_DENIED;
+		}
+	}
+	INFO("CPU %u power domain prepare on\n", cpu);
+	return ret;
+}
+
+/* MediaTek PSCI power domain */
+static void armv8_2_power_domain_on_finish(const psci_power_state_t *state)
+{
+	struct mt_cpupm_event_data nb;
+	unsigned int pstate = (MT_CPUPM_PWR_DOMAIN_CORE | MT_CPUPM_PWR_DOMAIN_PERCORE_DSU);
+	struct mtk_cpupm_pwrstate pm_state = {
+		.info = {
+			.cpuid = plat_my_core_pos(),
+			.mode = MTK_CPU_PM_SMP,
+		},
+		.pwr = {
+			.afflv = armv8_2_get_pwr_afflv(state),
+			.state_id = 0x0,
+		},
+	};
+
+	armv8_2_cpu_pwr_on(&pm_state, pstate);
+
+	nb.cpuid = pm_state.info.cpuid;
+	nb.pwr_domain = pstate;
+	MT_CPUPM_EVENT_PWR_ON(&nb);
+
+	INFO("CPU %u power domain on finished\n", pm_state.info.cpuid);
+}
+
+/* MediaTek PSCI power domain */
+static void armv8_2_power_domain_off(const psci_power_state_t *state)
+{
+	struct mt_cpupm_event_data nb;
+	unsigned int pstate = (MT_CPUPM_PWR_DOMAIN_CORE | MT_CPUPM_PWR_DOMAIN_PERCORE_DSU);
+	struct mtk_cpupm_pwrstate pm_state = {
+		.info = {
+			.cpuid = plat_my_core_pos(),
+			.mode = MTK_CPU_PM_SMP,
+		},
+		.pwr = {
+			.afflv = armv8_2_get_pwr_afflv(state),
+			.state_id = 0x0,
+		},
+	};
+	armv8_2_cpu_pwr_off(&pm_state, pstate);
+
+	nb.cpuid = pm_state.info.cpuid;
+	nb.pwr_domain = pstate;
+	MT_CPUPM_EVENT_PWR_OFF(&nb);
+
+	INFO("CPU %u power domain off\n", pm_state.info.cpuid);
+}
+
+/* MediaTek PSCI power domain */
+static void armv8_2_power_domain_suspend(const psci_power_state_t *state)
+{
+	unsigned int pstate = 0;
+	struct mt_cpupm_event_data nb;
+	struct mtk_cpupm_pwrstate pm_state = {
+		.info = {
+			.cpuid = plat_my_core_pos(),
+			.mode = MTK_CPU_PM_CPUIDLE,
+		},
+	};
+
+	pm_state.pwr.state_id = armv8_2_get_pwr_stateid(pm_state.info.cpuid);
+	pm_state.pwr.afflv = armv8_2_get_pwr_afflv(state);
+	pm_state.pwr.raw = state;
+
+	pstate = get_mediatek_pstate(CPUPM_PWR_OFF,
+				     armv8_2_power_state[pm_state.info.cpuid], &pm_state);
+
+	armv8_2_cpu_pwr_suspend(&pm_state, pstate);
+
+	if ((pstate & MT_CPUPM_PWR_DOMAIN_CLUSTER) != 0) {
+		armv8_2_cluster_pwr_dwn_common(&pm_state);
+	}
+
+	if ((pstate & MT_CPUPM_PWR_DOMAIN_MCUSYS) != 0) {
+		armv8_2_mcusys_pwr_dwn_common(&pm_state);
+	}
+
+	nb.cpuid = pm_state.info.cpuid;
+	nb.pwr_domain = pstate;
+	MT_CPUPM_EVENT_PWR_OFF(&nb);
+
+	if (IS_AFFLV_PUBEVENT(pstate)) {
+		MT_CPUPM_EVENT_AFFLV_PWR_OFF(&nb);
+	}
+}
+
+/* MediaTek PSCI power domain */
+static void armv8_2_power_domain_suspend_finish(const psci_power_state_t *state)
+{
+	unsigned int pstate = 0;
+	struct mt_cpupm_event_data nb;
+	struct mtk_cpupm_pwrstate pm_state = {
+		.info = {
+			.cpuid = plat_my_core_pos(),
+			.mode = MTK_CPU_PM_CPUIDLE,
+		},
+	};
+
+	pm_state.pwr.state_id = armv8_2_get_pwr_stateid(pm_state.info.cpuid);
+	pm_state.pwr.afflv = armv8_2_get_pwr_afflv(state);
+	pm_state.pwr.raw = state;
+
+	pstate = get_mediatek_pstate(CPUPM_PWR_ON,
+				     armv8_2_power_state[pm_state.info.cpuid], &pm_state);
+
+	if ((pstate & MT_CPUPM_PWR_DOMAIN_MCUSYS) != 0) {
+		armv8_2_mcusys_pwr_on_common(&pm_state);
+	}
+
+	if ((pstate & MT_CPUPM_PWR_DOMAIN_CLUSTER) != 0) {
+		armv8_2_cluster_pwr_on_common(&pm_state);
+	}
+
+	armv8_2_cpu_pwr_resume(&pm_state, pstate);
+
+	nb.cpuid = pm_state.info.cpuid;
+	nb.pwr_domain = pstate;
+	MT_CPUPM_EVENT_PWR_ON(&nb);
+
+	if (IS_AFFLV_PUBEVENT(pstate)) {
+		MT_CPUPM_EVENT_AFFLV_PWR_ON(&nb);
+	}
+}
+
+/* MediaTek PSCI power domain */
+static int armv8_2_validate_power_state(unsigned int power_state, psci_power_state_t *req_state)
+{
+	unsigned int i;
+	unsigned int pstate = psci_get_pstate_type(power_state);
+	unsigned int aff_lvl = psci_get_pstate_pwrlvl(power_state);
+	unsigned int my_core_pos = plat_my_core_pos();
+
+	if (mtk_cpu_pwr.ops == NULL) {
+		return PSCI_E_INVALID_PARAMS;
+	}
+
+	if (IS_CPUIDLE_FN_ENABLE(MTK_CPUPM_FN_PWR_STATE_VALID)) {
+		if (mtk_cpu_pwr.ops->pwr_state_valid(aff_lvl, pstate) != 0) {
+			return PSCI_E_INVALID_PARAMS;
+		}
+	}
+
+	if (pstate == PSTATE_TYPE_STANDBY) {
+		req_state->pwr_domain_state[0] = PLAT_MAX_RET_STATE;
+	} else {
+		for (i = PSCI_CPU_PWR_LVL; i <= aff_lvl; i++) {
+			req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE;
+		}
+	}
+	armv8_2_power_state[my_core_pos] = power_state;
+
+	return PSCI_E_SUCCESS;
+}
+
+/* MediaTek PSCI power domain */
+#if CONFIG_MTK_SUPPORT_SYSTEM_SUSPEND
+static void armv8_2_get_sys_suspend_power_state(psci_power_state_t *req_state)
+{
+	unsigned int i;
+	int ret;
+	unsigned int power_state;
+	unsigned int my_core_pos = plat_my_core_pos();
+
+	ret = mtk_cpu_pwr.ops->pwr_state_valid(PLAT_MAX_PWR_LVL,
+						PSTATE_TYPE_POWERDOWN);
+
+	if (ret != MTK_CPUPM_E_OK) {
+		/* Avoid suspend due to platform is not ready. */
+		req_state->pwr_domain_state[PSCI_CPU_PWR_LVL] =
+						PLAT_MAX_RET_STATE;
+		for (i = PSCI_CPU_PWR_LVL + 1; i <= PLAT_MAX_PWR_LVL; i++) {
+			req_state->pwr_domain_state[i] = PSCI_LOCAL_STATE_RUN;
+		}
+
+		power_state = psci_make_powerstate(0, PSTATE_TYPE_STANDBY, PSCI_CPU_PWR_LVL);
+	} else {
+		for (i = PSCI_CPU_PWR_LVL; i <= PLAT_MAX_PWR_LVL; i++) {
+			req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE;
+		}
+
+		power_state = psci_make_powerstate(MT_PLAT_PWR_STATE_SUSPEND,
+						   PSTATE_TYPE_POWERDOWN, PLAT_MAX_PWR_LVL);
+	}
+
+	armv8_2_power_state[my_core_pos] = power_state;
+	flush_dcache_range((uintptr_t)&armv8_2_power_state[my_core_pos],
+			   sizeof(armv8_2_power_state[my_core_pos]));
+}
+#endif
+static void armv8_2_pm_smp_init(unsigned int cpu_id, uintptr_t entry_point)
+{
+	if (entry_point == 0) {
+		ERROR("%s, warm_entry_point is null\n", __func__);
+		panic();
+	}
+	if (IS_CPUSMP_FN_ENABLE(MTK_CPUPM_FN_SMP_INIT)) {
+		mtk_cpu_pwr.smp->init(cpu_id, entry_point);
+	}
+	INFO("[%s:%d] - Initialize finished\n", __func__, __LINE__);
+}
+
+static struct plat_pm_pwr_ctrl armv8_2_pwr_ops = {
+	.pwr_domain_suspend = armv8_2_power_domain_suspend,
+	.pwr_domain_suspend_finish = armv8_2_power_domain_suspend_finish,
+	.validate_power_state = armv8_2_validate_power_state,
+#if CONFIG_MTK_SUPPORT_SYSTEM_SUSPEND
+	.get_sys_suspend_power_state = armv8_2_get_sys_suspend_power_state,
+#endif
+};
+
+struct plat_pm_smp_ctrl armv8_2_smp_ops = {
+	.init = armv8_2_pm_smp_init,
+	.pwr_domain_on = armv8_2_power_domain_on,
+	.pwr_domain_off = armv8_2_power_domain_off,
+	.pwr_domain_on_finish = armv8_2_power_domain_on_finish,
+};
+
+#define ISSUE_CPU_PM_REG_FAIL(_success) ({ _success = false; assert(0); })
+
+#define CPM_PM_FN_CHECK(_fns, _ops, _id, _func, _result, _flag) ({ \
+	if ((_fns & _id)) { \
+		if (_ops->_func) \
+			_flag |= _id; \
+		else { \
+			ISSUE_CPU_PM_REG_FAIL(_result); \
+		} \
+	} })
+
+int register_cpu_pm_ops(unsigned int fn_flags, struct mtk_cpu_pm_ops *ops)
+{
+	bool success = true;
+	unsigned int fns = 0;
+
+	if ((ops == NULL) || (mtk_cpu_pwr.ops != NULL)) {
+		ERROR("[%s:%d] register cpu_pm fail !!\n", __FILE__, __LINE__);
+		return MTK_CPUPM_E_ERR;
+	}
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_RESUME_CORE,
+			cpu_resume, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SUSPEND_CORE,
+			cpu_suspend, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_RESUME_CLUSTER,
+			cluster_resume, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SUSPEND_CLUSTER,
+			cluster_suspend, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_RESUME_MCUSYS,
+			mcusys_resume, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SUSPEND_MCUSYS,
+			mcusys_suspend, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_CPUPM_GET_PWR_STATE,
+			get_pstate, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_PWR_STATE_VALID,
+			pwr_state_valid, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_INIT,
+			init, success, fns);
+
+	if (success) {
+		mtk_cpu_pwr.ops = ops;
+		mtk_cpu_pwr.fn_mask |= fns;
+		plat_pm_ops_setup_pwr(&armv8_2_pwr_ops);
+		INFO("[%s:%d] CPU pwr ops register success, support:0x%x\n",
+		     __func__, __LINE__, fns);
+	} else {
+		ERROR("[%s:%d] register cpu_pm ops fail !, fn:0x%x\n",
+		      __func__, __LINE__, fn_flags);
+		assert(0);
+	}
+	return MTK_CPUPM_E_OK;
+}
+
+int register_cpu_smp_ops(unsigned int fn_flags, struct mtk_cpu_smp_ops *ops)
+{
+	bool success = true;
+	unsigned int fns = 0;
+
+	if ((ops == NULL) || (mtk_cpu_pwr.smp != NULL)) {
+		ERROR("[%s:%d] register cpu_smp fail !!\n", __FILE__, __LINE__);
+		return MTK_CPUPM_E_ERR;
+	}
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SMP_INIT,
+			init, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_PWR_ON_CORE_PREPARE,
+			cpu_pwr_on_prepare, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SMP_CORE_ON,
+			cpu_on, success, fns);
+
+	CPM_PM_FN_CHECK(fn_flags, ops, MTK_CPUPM_FN_SMP_CORE_OFF,
+			cpu_off, success, fns);
+
+	if (success == true) {
+		mtk_cpu_pwr.smp = ops;
+		mtk_cpu_pwr.fn_mask |= fns;
+		plat_pm_ops_setup_smp(&armv8_2_smp_ops);
+		INFO("[%s:%d] CPU smp ops register success, support:0x%x\n",
+		     __func__, __LINE__, fns);
+	} else {
+		ERROR("[%s:%d] register cpu_smp ops fail !, fn:0x%x\n",
+		      __func__, __LINE__, fn_flags);
+		assert(0);
+	}
+	return MTK_CPUPM_E_OK;
+}
diff --git a/plat/mediatek/lib/pm/armv8_2/rules.mk b/plat/mediatek/lib/pm/armv8_2/rules.mk
new file mode 100644
index 0000000..0e065c5
--- /dev/null
+++ b/plat/mediatek/lib/pm/armv8_2/rules.mk
@@ -0,0 +1,12 @@
+#
+# Copyright (c) 2022, MediaTek Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+LOCAL_DIR := $(call GET_LOCAL_DIR)
+
+MODULE := armv${CONFIG_MTK_PM_ARCH}
+LOCAL_SRCS-y := ${LOCAL_DIR}/pwr_ctrl.c
+
+$(eval $(call MAKE_MODULE,$(MODULE),$(LOCAL_SRCS-y),$(MTK_BL)))