feat(plat/mediatek/mt8186): add CPU hotplug
Implement PSCI platform operations to support CPU hotplug and MCDI.
TEST=bringup 8 CPUs successfully on kernel stage.
BUG=b:202871018
Change-Id: Ibd5423b70b3ca3f91edaa48d7ca5bc094e751510
diff --git a/plat/mediatek/mt8186/include/plat_pm.h b/plat/mediatek/mt8186/include/plat_pm.h
new file mode 100644
index 0000000..436db34
--- /dev/null
+++ b/plat/mediatek/mt8186/include/plat_pm.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_PM_H
+#define PLAT_PM_H
+
+#include <lib/utils_def.h>
+
+#define MT_PLAT_PWR_STATE_CPU U(1)
+#define MT_PLAT_PWR_STATE_CLUSTER U(2)
+#define MT_PLAT_PWR_STATE_MCUSYS U(3)
+#define MT_PLAT_PWR_STATE_SUSPEND2IDLE U(8)
+#define MT_PLAT_PWR_STATE_SYSTEM_SUSPEND U(9)
+
+#define MTK_LOCAL_STATE_RUN U(0)
+#define MTK_LOCAL_STATE_RET U(1)
+#define MTK_LOCAL_STATE_OFF U(2)
+
+#define MTK_AFFLVL_CPU U(0)
+#define MTK_AFFLVL_CLUSTER U(1)
+#define MTK_AFFLVL_MCUSYS U(2)
+#define MTK_AFFLVL_SYSTEM U(3)
+
+#define IS_CLUSTER_OFF_STATE(s) \
+ is_local_state_off(s->pwr_domain_state[MTK_AFFLVL_CLUSTER])
+#define IS_MCUSYS_OFF_STATE(s) \
+ is_local_state_off(s->pwr_domain_state[MTK_AFFLVL_MCUSYS])
+#define IS_SYSTEM_SUSPEND_STATE(s) \
+ is_local_state_off(s->pwr_domain_state[MTK_AFFLVL_SYSTEM])
+
+#define IS_PLAT_SUSPEND_ID(stateid) \
+ ((stateid == MT_PLAT_PWR_STATE_SUSPEND2IDLE) \
+ || (stateid == MT_PLAT_PWR_STATE_SYSTEM_SUSPEND))
+
+#endif /* PLAT_PM_H */