/* * 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 #include #include #include #include /******************************************************************************* * 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__ */