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- /*
- * Copyright (c) 2014, ARM Limited and Contributors. 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 __JUNO_PRIVATE_H__
- #define __JUNO_PRIVATE_H__
- #include <bakery_lock.h>
- #include <bl_common.h>
- #include <cpu_data.h>
- #include <platform_def.h>
- #include <stdint.h>
- /*******************************************************************************
- * Forward declarations
- ******************************************************************************/
- struct plat_pm_ops;
- struct meminfo;
- struct bl31_params;
- struct image_info;
- struct entry_point_info;
- /*******************************************************************************
- * This structure represents the superset of information that is passed to
- * BL3-1 e.g. while passing control to it from BL2 which is bl31_params
- * and other platform specific params
- ******************************************************************************/
- typedef struct bl2_to_bl31_params_mem {
- struct bl31_params bl31_params;
- struct image_info bl31_image_info;
- struct image_info bl32_image_info;
- struct image_info bl33_image_info;
- struct entry_point_info bl33_ep_info;
- struct entry_point_info bl32_ep_info;
- struct entry_point_info bl31_ep_info;
- } bl2_to_bl31_params_mem_t;
- #if IMAGE_BL31
- #if USE_COHERENT_MEM
- /*
- * These are wrapper macros to the Coherent Memory Bakery Lock API.
- */
- #define juno_lock_init(_lock_arg) bakery_lock_init(_lock_arg)
- #define juno_lock_get(_lock_arg) bakery_lock_get(_lock_arg)
- #define juno_lock_release(_lock_arg) bakery_lock_release(_lock_arg)
- #else
- /*******************************************************************************
- * Constants that specify how many bakeries this platform implements and bakery
- * ids.
- ******************************************************************************/
- #define JUNO_MAX_BAKERIES 1
- #define JUNO_MHU_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
- * juno_def.h
- ******************************************************************************/
- typedef struct juno_cpu_data {
- bakery_info_t pcpu_bakery_info[JUNO_MAX_BAKERIES];
- } juno_cpu_data_t;
- /* Macro to define the offset of bakery_info_t in juno_cpu_data_t */
- #define JUNO_CPU_DATA_LOCK_OFFSET __builtin_offsetof\
- (juno_cpu_data_t, pcpu_bakery_info)
- /*******************************************************************************
- * Helper macros for bakery lock api when using the above juno_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 juno_lock_init(_lock_arg) /* No init required */
- #define juno_lock_get(_lock_arg) bakery_lock_get(_lock_arg, \
- CPU_DATA_PLAT_PCPU_OFFSET + \
- JUNO_CPU_DATA_LOCK_OFFSET)
- #define juno_lock_release(_lock_arg) bakery_lock_release(_lock_arg, \
- CPU_DATA_PLAT_PCPU_OFFSET + \
- JUNO_CPU_DATA_LOCK_OFFSET)
- /*
- * Ensure that the size of the Juno specific per-cpu data structure and the size
- * of the memory allocated in generic per-cpu data for the platform are the same.
- */
- CASSERT(PLAT_PCPU_DATA_SIZE == sizeof(juno_cpu_data_t), \
- juno_pcpu_data_size_mismatch);
- #endif /* __USE_COHERENT_MEM__ */
- #else
- /*
- * Dummy wrapper macros for all other BL stages other than BL3-1
- */
- #define juno_lock_init(_lock_arg)
- #define juno_lock_get(_lock_arg)
- #define juno_lock_release(_lock_arg)
- #endif /* __IMAGE_BL31__ */
- /*******************************************************************************
- * Function and variable prototypes
- ******************************************************************************/
- void bl1_plat_arch_setup(void);
- void bl2_plat_arch_setup(void);
- void bl31_plat_arch_setup(void);
- int platform_setup_pm(const struct plat_pm_ops **plat_ops);
- unsigned int platform_get_core_pos(unsigned long mpidr);
- void configure_mmu_el1(unsigned long total_base,
- unsigned long total_size,
- unsigned long ro_start,
- unsigned long ro_limit,
- unsigned long coh_start,
- unsigned long coh_limit);
- void configure_mmu_el3(unsigned long total_base,
- unsigned long total_size,
- unsigned long ro_start,
- unsigned long ro_limit,
- unsigned long coh_start,
- unsigned long coh_limit);
- void plat_report_exception(unsigned long type);
- unsigned long plat_get_ns_image_entrypoint(void);
- unsigned long platform_get_stack(unsigned long mpidr);
- uint64_t plat_get_syscnt_freq(void);
- void plat_gic_init(void);
- /* Declarations for plat_topology.c */
- int plat_setup_topology(void);
- int plat_get_max_afflvl(void);
- unsigned int plat_get_aff_count(unsigned int aff_lvl, unsigned long mpidr);
- unsigned int plat_get_aff_state(unsigned int aff_lvl, unsigned long mpidr);
- /* Declarations for plat_io_storage.c */
- void io_setup(void);
- int plat_get_image_source(const char *image_name,
- uintptr_t *dev_handle,
- uintptr_t *image_spec);
- /* Declarations for security.c */
- void plat_security_setup(void);
- /*
- * Before calling this function BL2 is loaded in memory and its entrypoint
- * is set by load_image. This is a placeholder for the platform to change
- * the entrypoint of BL2 and set SPSR and security state.
- * On Juno we are only setting the security state, entrypoint
- */
- void bl1_plat_set_bl2_ep_info(struct image_info *image,
- struct entry_point_info *ep);
- /*
- * Before calling this function BL3-1 is loaded in memory and its entrypoint
- * is set by load_image. This is a placeholder for the platform to change
- * the entrypoint of BL3-1 and set SPSR and security state.
- * On Juno we are only setting the security state, entrypoint
- */
- void bl2_plat_set_bl31_ep_info(struct image_info *image,
- struct entry_point_info *ep);
- /*
- * Before calling this function BL3-2 is loaded in memory and its entrypoint
- * is set by load_image. This is a placeholder for the platform to change
- * the entrypoint of BL3-2 and set SPSR and security state.
- * On Juno we are only setting the security state, entrypoint
- */
- void bl2_plat_set_bl32_ep_info(struct image_info *image,
- struct entry_point_info *ep);
- /*
- * Before calling this function BL3-3 is loaded in memory and its entrypoint
- * is set by load_image. This is a placeholder for the platform to change
- * the entrypoint of BL3-3 and set SPSR and security state.
- * On Juno we are only setting the security state, entrypoint
- */
- void bl2_plat_set_bl33_ep_info(struct image_info *image,
- struct entry_point_info *ep);
- /* Gets the memory layout for BL3-2 */
- void bl2_plat_get_bl32_meminfo(struct meminfo *mem_info);
- /* Gets the memory layout for BL3-3 */
- void bl2_plat_get_bl33_meminfo(struct meminfo *mem_info);
- #endif /* __JUNO_PRIVATE_H__ */
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