102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
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/*
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* Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef RCAR_PRIVATE_H__
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#define RCAR_PRIVATE_H__
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#include <bakery_lock.h>
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#include <bl_common.h>
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#include <cpu_data.h>
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#include <platform_def.h>
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typedef volatile struct mailbox {
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unsigned long value __aligned(CACHE_WRITEBACK_GRANULE);
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} mailbox_t;
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/*
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* This structure represents the superset of information that is passed to
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* BL31 e.g. while passing control to it from BL2 which is bl31_params
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* and bl31_plat_params and its elements
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*/
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typedef struct bl2_to_bl31_params_mem {
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image_info_t bl32_image_info;
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image_info_t bl33_image_info;
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entry_point_info_t bl33_ep_info;
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entry_point_info_t bl32_ep_info;
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} bl2_to_bl31_params_mem_t;
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#if USE_COHERENT_MEM
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#define RCAR_INSTANTIATE_LOCK DEFINE_BAKERY_LOCK(rcar_lock);
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#define rcar_lock_init() bakery_lock_init(&rcar_lock)
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#define rcar_lock_get() bakery_lock_get(&rcar_lock)
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#define rcar_lock_release() bakery_lock_release(&rcar_lock)
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#else
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/*
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* Constants to specify how many bakery locks this platform implements. These
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* are used if the platform chooses not to use coherent memory for bakery lock
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* data structures.
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*/
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#define RCAR_MAX_BAKERIES 2
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#define RCAR_PWRC_BAKERY_ID 0
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/*
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* Definition of structure which holds platform specific per-cpu data. Currently
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* it holds only the bakery lock information for each cpu. Constants to
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* specify how many bakeries this platform implements and bakery ids are
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* specified in rcar_def.h
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*/
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typedef struct rcar_cpu_data {
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bakery_info_t pcpu_bakery_info[RCAR_MAX_BAKERIES];
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} rcar_cpu_data_t;
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#define RCAR_CPU_DATA_LOCK_OFFSET \
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__builtin_offsetof(rcar_cpu_data_t, pcpu_bakery_info)
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/*
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* Helper macros for bakery lock api when using the above rcar_cpu_data_t for
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* bakery lock data structures. It assumes that the bakery_info is at the
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* beginning of the platform specific per-cpu data.
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*/
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#define rcar_lock_init(_lock_arg)
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#define rcar_lock_get(_lock_arg) \
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bakery_lock_get(_lock_arg, \
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CPU_DATA_PLAT_PCPU_OFFSET + RCAR_CPU_DATA_LOCK_OFFSET)
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#define rcar_lock_release(_lock_arg) \
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bakery_lock_release(_lock_arg, \
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CPU_DATA_PLAT_PCPU_OFFSET + RCAR_CPU_DATA_LOCK_OFFSET)
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/* Ensure that the size of the RCAR specific per-cpu data structure and the size
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* of the memory allocated in generic per-cpu data for the platform are the same
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*/
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CASSERT(PLAT_PCPU_DATA_SIZE == sizeof(rcar_cpu_data_t),
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rcar_pcpu_data_size_mismatch);
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#endif
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/*
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* Function and variable prototypes
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*/
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void rcar_configure_mmu_el3(unsigned long total_base,
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unsigned long total_size,
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unsigned long ro_start, unsigned long ro_limit
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#if USE_COHERENT_MEM
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, unsigned long coh_start, unsigned long coh_limit
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#endif
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);
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void rcar_setup_topology(void);
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void rcar_cci_disable(void);
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void rcar_cci_enable(void);
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void rcar_cci_init(void);
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void plat_invalidate_icache(void);
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void plat_cci_disable(void);
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void plat_cci_enable(void);
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void plat_cci_init(void);
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void mstpcr_write(uint32_t mstpcr, uint32_t mstpsr, uint32_t target_bit);
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void cpg_write(uintptr_t regadr, uint32_t regval);
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#endif
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