ARMv8 Trusted Firmware release v0.2v0.2

1 files changed, 147 insertions, 0 deletions

diff --git a/common/psci/psci_private.h b/common/psci/psci_private.h
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+/*
+ * Copyright (c) 2013, ARM Limited. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __PSCI_PRIVATE_H__
+#define __PSCI_PRIVATE_H__
+
+#include <bakery_lock.h>
+
+#ifndef __ASSEMBLY__
+/*******************************************************************************
+ * The following two data structures hold the generic information to bringup
+ * a suspended/hotplugged out cpu
+ ******************************************************************************/
+typedef struct {
+	unsigned long entrypoint;
+	unsigned long spsr;
+} eret_params;
+
+typedef struct {
+	eret_params eret_info;
+	unsigned long context_id;
+	unsigned int scr;
+	unsigned int sctlr;
+} ns_entry_info;
+
+/*******************************************************************************
+ *
+ *
+ ******************************************************************************/
+typedef struct {
+	unsigned long sctlr;
+	unsigned long scr;
+	unsigned long cptr;
+	unsigned long cpacr;
+	unsigned long cntfrq;
+	unsigned long mair;
+	unsigned long tcr;
+	unsigned long ttbr;
+	unsigned long vbar;
+} secure_context;
+
+/*******************************************************************************
+ * The following two data structures hold the topology tree which in turn tracks
+ * the state of the all the affinity instances supported by the platform.
+ ******************************************************************************/
+typedef struct {
+	unsigned long mpidr;
+	unsigned char state;
+	char level;
+	unsigned int data;
+	bakery_lock lock;
+} aff_map_node;
+
+typedef struct {
+	int min;
+	int max;
+} aff_limits_node;
+
+typedef unsigned int (*afflvl_power_on_finisher)(unsigned long,
+						 aff_map_node *,
+						 unsigned int);
+
+/*******************************************************************************
+ * Data prototypes
+ ******************************************************************************/
+extern secure_context psci_secure_context[PSCI_NUM_AFFS];
+extern ns_entry_info psci_ns_entry_info[PSCI_NUM_AFFS];
+extern unsigned int psci_ns_einfo_idx;
+extern aff_limits_node psci_aff_limits[MPIDR_MAX_AFFLVL + 1];
+extern plat_pm_ops *psci_plat_pm_ops;
+extern aff_map_node psci_aff_map[PSCI_NUM_AFFS];
+extern afflvl_power_on_finisher psci_afflvl_off_finish_handlers[];
+extern afflvl_power_on_finisher psci_afflvl_sus_finish_handlers[];
+
+/*******************************************************************************
+ * Function prototypes
+ ******************************************************************************/
+/* Private exported functions from psci_common.c */
+extern int get_max_afflvl(void);
+extern unsigned int psci_get_phys_state(unsigned int);
+extern unsigned int psci_get_aff_phys_state(aff_map_node *);
+extern unsigned int psci_calculate_affinity_state(aff_map_node *);
+extern unsigned int psci_get_ns_entry_info(unsigned int index);
+extern unsigned long mpidr_set_aff_inst(unsigned long,unsigned char, int);
+extern int psci_change_state(unsigned long, int, int, unsigned int);
+extern int psci_validate_mpidr(unsigned long, int);
+extern unsigned int psci_afflvl_power_on_finish(unsigned long,
+						int,
+						int,
+						afflvl_power_on_finisher *);
+extern int psci_set_ns_entry_info(unsigned int index,
+				  unsigned long entrypoint,
+				  unsigned long context_id);
+extern int psci_get_first_present_afflvl(unsigned long,
+					 int, int,
+					 aff_map_node **);
+/* Private exported functions from psci_setup.c */
+extern aff_map_node *psci_get_aff_map_node(unsigned long, int);
+
+/* Private exported functions from psci_affinity_on.c */
+extern int psci_afflvl_on(unsigned long,
+			  unsigned long,
+			  unsigned long,
+			  int,
+			  int);
+
+/* Private exported functions from psci_affinity_off.c */
+extern int psci_afflvl_off(unsigned long, int, int);
+
+/* Private exported functions from psci_affinity_suspend.c */
+extern int psci_afflvl_suspend(unsigned long,
+			       unsigned long,
+			       unsigned long,
+			       unsigned int,
+			       int,
+			       int);
+extern unsigned int psci_afflvl_suspend_finish(unsigned long, int, int);
+#endif /*__ASSEMBLY__*/
+
+#endif /* __PSCI_PRIVATE_H__ */