1 files changed, 64 insertions, 0 deletions
diff --git a/include/plat/arm/css/common/css_pm.h b/include/plat/arm/css/common/css_pm.h
new file mode 100644
index 0000000..84e6b38
--- /dev/null
+++ b/include/plat/arm/css/common/css_pm.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2015-2022, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CSS_PM_H
+#define CSS_PM_H
+
+#include <cdefs.h>
+#include <stdint.h>
+
+#include <lib/psci/psci.h>
+
+/* SGI used to trigger per-core power down request */
+#define CSS_CPU_PWR_DOWN_REQ_INTR	ARM_IRQ_SEC_SGI_7
+
+/* Macros to read the CSS power domain state */
+#define CSS_CORE_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL0]
+#define CSS_CLUSTER_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL1]
+
+static inline unsigned int css_system_pwr_state(const psci_power_state_t *state)
+{
+#if (PLAT_MAX_PWR_LVL == CSS_SYSTEM_PWR_DMN_LVL)
+	return state->pwr_domain_state[CSS_SYSTEM_PWR_DMN_LVL];
+#else
+	return 0;
+#endif
+}
+
+int css_pwr_domain_on(u_register_t mpidr);
+void css_pwr_domain_on_finish(const psci_power_state_t *target_state);
+void css_pwr_domain_on_finish_late(const psci_power_state_t *target_state);
+void css_pwr_domain_off(const psci_power_state_t *target_state);
+void css_pwr_domain_suspend(const psci_power_state_t *target_state);
+void css_pwr_domain_suspend_finish(
+				const psci_power_state_t *target_state);
+void __dead2 css_system_off(void);
+void __dead2 css_system_reset(void);
+void css_cpu_standby(plat_local_state_t cpu_state);
+void css_get_sys_suspend_power_state(psci_power_state_t *req_state);
+int css_node_hw_state(u_register_t mpidr, unsigned int power_level);
+void css_setup_cpu_pwr_down_intr(void);
+int css_reboot_interrupt_handler(uint32_t intr_raw, uint32_t flags,
+		void *handle, void *cookie);
+
+/*
+ * This mapping array has to be exported by the platform. Each element at
+ * a given index maps that core to an SCMI power domain.
+ */
+extern const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[];
+
+#define SCMI_DOMAIN_ID_MASK		U(0xFFFF)
+#define SCMI_CHANNEL_ID_MASK		U(0xFFFF)
+#define SCMI_CHANNEL_ID_SHIFT		U(16)
+
+#define SET_SCMI_CHANNEL_ID(n)		(((n) & SCMI_CHANNEL_ID_MASK) << \
+					 SCMI_CHANNEL_ID_SHIFT)
+#define SET_SCMI_DOMAIN_ID(n)		((n) & SCMI_DOMAIN_ID_MASK)
+#define GET_SCMI_CHANNEL_ID(n)		(((n) >> SCMI_CHANNEL_ID_SHIFT) & \
+					 SCMI_CHANNEL_ID_MASK)
+#define GET_SCMI_DOMAIN_ID(n)		((n) & SCMI_DOMAIN_ID_MASK)
+
+#endif /* CSS_PM_H */