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-rw-r--r--plat/renesas/common/include/rcar_private.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/plat/renesas/common/include/rcar_private.h b/plat/renesas/common/include/rcar_private.h
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+++ b/plat/renesas/common/include/rcar_private.h
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+/*
+ * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef RCAR_PRIVATE_H
+#define RCAR_PRIVATE_H
+
+#include <common/bl_common.h>
+#include <lib/bakery_lock.h>
+#include <lib/el3_runtime/cpu_data.h>
+
+#include <platform_def.h>
+
+typedef volatile struct mailbox {
+ unsigned long value __aligned(CACHE_WRITEBACK_GRANULE);
+} mailbox_t;
+
+/*
+ * This structure represents the superset of information that is passed to
+ * BL31 e.g. while passing control to it from BL2 which is bl31_params
+ * and bl31_plat_params and its elements
+ */
+typedef struct bl2_to_bl31_params_mem {
+ image_info_t bl32_image_info;
+ image_info_t bl33_image_info;
+ entry_point_info_t bl33_ep_info;
+ entry_point_info_t bl32_ep_info;
+} bl2_to_bl31_params_mem_t;
+
+#if USE_COHERENT_MEM
+#define RCAR_INSTANTIATE_LOCK DEFINE_BAKERY_LOCK(rcar_lock);
+#define rcar_lock_init() bakery_lock_init(&rcar_lock)
+#define rcar_lock_get() bakery_lock_get(&rcar_lock)
+#define rcar_lock_release() bakery_lock_release(&rcar_lock)
+#else
+/*
+ * Constants to specify how many bakery locks this platform implements. These
+ * are used if the platform chooses not to use coherent memory for bakery lock
+ * data structures.
+ */
+#define RCAR_MAX_BAKERIES 2
+#define RCAR_PWRC_BAKERY_ID 0
+
+/*
+ * Definition of structure which holds platform specific per-cpu data. Currently
+ * it holds only the bakery lock information for each cpu. Constants to
+ * specify how many bakeries this platform implements and bakery ids are
+ * specified in rcar_def.h
+ */
+typedef struct rcar_cpu_data {
+ bakery_info_t pcpu_bakery_info[RCAR_MAX_BAKERIES];
+} rcar_cpu_data_t;
+
+#define RCAR_CPU_DATA_LOCK_OFFSET \
+ __builtin_offsetof(rcar_cpu_data_t, pcpu_bakery_info)
+/*
+ * Helper macros for bakery lock api when using the above rcar_cpu_data_t for
+ * bakery lock data structures. It assumes that the bakery_info is at the
+ * beginning of the platform specific per-cpu data.
+ */
+#define rcar_lock_init(_lock_arg)
+
+#define rcar_lock_get(_lock_arg) \
+ bakery_lock_get(_lock_arg, \
+ CPU_DATA_PLAT_PCPU_OFFSET + RCAR_CPU_DATA_LOCK_OFFSET)
+
+#define rcar_lock_release(_lock_arg) \
+ bakery_lock_release(_lock_arg, \
+ CPU_DATA_PLAT_PCPU_OFFSET + RCAR_CPU_DATA_LOCK_OFFSET)
+/*
+ * Ensure that the size of the RCAR specific per-cpu data structure and the size
+ * of the memory allocated in generic per-cpu data for the platform are the same
+ */
+CASSERT(sizeof(rcar_cpu_data_t) == PLAT_PCPU_DATA_SIZE,
+ rcar_pcpu_data_size_mismatch);
+#endif
+/*
+ * Function and variable prototypes
+ */
+void rcar_configure_mmu_el3(unsigned long total_base,
+ unsigned long total_size,
+ unsigned long ro_start, unsigned long ro_limit
+#if USE_COHERENT_MEM
+ , unsigned long coh_start, unsigned long coh_limit
+#endif
+ );
+
+void rcar_setup_topology(void);
+void rcar_cci_disable(void);
+void rcar_cci_enable(void);
+void rcar_cci_init(void);
+
+void plat_invalidate_icache(void);
+void plat_cci_disable(void);
+void plat_cci_enable(void);
+void plat_cci_init(void);
+
+void mstpcr_write(uint32_t mstpcr, uint32_t mstpsr, uint32_t target_bit);
+void cpg_write(uintptr_t regadr, uint32_t regval);
+
+void rcar_console_boot_init(void);
+void rcar_console_boot_end(void);
+void rcar_console_runtime_init(void);
+void rcar_console_runtime_end(void);
+
+#endif /* RCAR_PRIVATE_H */