summaryrefslogtreecommitdiffstats
path: root/plat/mediatek/lib/pm/mtk_pm.c
diff options
context:
space:
mode:
Diffstat (limited to 'plat/mediatek/lib/pm/mtk_pm.c')
-rw-r--r--plat/mediatek/lib/pm/mtk_pm.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/plat/mediatek/lib/pm/mtk_pm.c b/plat/mediatek/lib/pm/mtk_pm.c
new file mode 100644
index 0000000..3dbeb51
--- /dev/null
+++ b/plat/mediatek/lib/pm/mtk_pm.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <plat/common/platform.h>
+#include <lib/pm/mtk_pm.h>
+
+#define MTK_PM_ST_SMP_READY BIT(0)
+#define MTK_PM_ST_PWR_READY BIT(1)
+#define MTK_PM_ST_RESET_READY BIT(2)
+
+static uintptr_t mtk_secure_entrypoint;
+static plat_init_func mtk_plat_smp_init;
+static plat_psci_ops_t mtk_pm_ops;
+static unsigned int mtk_pm_status;
+
+uintptr_t plat_pm_get_warm_entry(void)
+{
+ return mtk_secure_entrypoint;
+}
+
+int plat_pm_ops_setup_pwr(struct plat_pm_pwr_ctrl *ops)
+{
+ if (!ops) {
+ return MTK_CPUPM_E_FAIL;
+ }
+
+#if CONFIG_MTK_CPU_SUSPEND_EN
+ if (!mtk_pm_ops.pwr_domain_suspend) {
+ mtk_pm_ops.pwr_domain_suspend = ops->pwr_domain_suspend;
+ }
+
+ if (!mtk_pm_ops.pwr_domain_suspend_finish) {
+ mtk_pm_ops.pwr_domain_suspend_finish = ops->pwr_domain_suspend_finish;
+ }
+
+ if (!mtk_pm_ops.validate_power_state) {
+ mtk_pm_ops.validate_power_state = ops->validate_power_state;
+ }
+
+ if (!mtk_pm_ops.get_sys_suspend_power_state) {
+ mtk_pm_ops.get_sys_suspend_power_state = ops->get_sys_suspend_power_state;
+ }
+
+ mtk_pm_status |= MTK_PM_ST_PWR_READY;
+#endif
+ return MTK_CPUPM_E_OK;
+}
+
+int plat_pm_ops_setup_smp(struct plat_pm_smp_ctrl *ops)
+{
+ if (!ops) {
+ return MTK_CPUPM_E_FAIL;
+ }
+
+#if CONFIG_MTK_SMP_EN
+ if (!mtk_pm_ops.pwr_domain_on) {
+ mtk_pm_ops.pwr_domain_on = ops->pwr_domain_on;
+ }
+
+ if (!mtk_pm_ops.pwr_domain_on_finish) {
+ mtk_pm_ops.pwr_domain_on_finish = ops->pwr_domain_on_finish;
+ }
+
+ if (!mtk_pm_ops.pwr_domain_off) {
+ mtk_pm_ops.pwr_domain_off = ops->pwr_domain_off;
+ }
+
+ if (!mtk_plat_smp_init) {
+ mtk_plat_smp_init = ops->init;
+ }
+
+ mtk_pm_status |= MTK_PM_ST_SMP_READY;
+#endif
+ return MTK_CPUPM_E_OK;
+}
+
+int plat_pm_ops_setup_reset(struct plat_pm_reset_ctrl *ops)
+{
+ if (!ops) {
+ return MTK_CPUPM_E_FAIL;
+ }
+
+ if (!mtk_pm_ops.system_off) {
+ mtk_pm_ops.system_off = ops->system_off;
+ }
+
+ if (!mtk_pm_ops.system_reset) {
+ mtk_pm_ops.system_reset = ops->system_reset;
+ }
+
+ if (!mtk_pm_ops.system_reset2) {
+ mtk_pm_ops.system_reset2 = ops->system_reset2;
+ }
+
+ mtk_pm_status |= MTK_PM_ST_RESET_READY;
+
+ return MTK_CPUPM_E_OK;
+}
+
+int plat_setup_psci_ops(uintptr_t sec_entrypoint,
+ const plat_psci_ops_t **psci_ops)
+{
+ *psci_ops = &mtk_pm_ops;
+ mtk_secure_entrypoint = sec_entrypoint;
+
+ if (mtk_plat_smp_init) {
+ unsigned int cpu_id = plat_my_core_pos();
+
+ mtk_plat_smp_init(cpu_id, mtk_secure_entrypoint);
+ }
+ INFO("%s, smp:(%d), pwr_ctrl:(%d), system_reset:(%d)\n", __func__,
+ !!(mtk_pm_status & MTK_PM_ST_SMP_READY),
+ !!(mtk_pm_status & MTK_PM_ST_PWR_READY),
+ !!(mtk_pm_status & MTK_PM_ST_RESET_READY));
+ return 0;
+}