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/*
* Copyright (c) 2013-2016, 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 __PLATFORM_H__
#define __PLATFORM_H__
#include <psci.h>
#include <stdint.h>
#include <types.h>
/*******************************************************************************
* Forward declarations
******************************************************************************/
struct meminfo;
struct image_info;
struct entry_point_info;
struct bl31_params;
struct image_desc;
/*******************************************************************************
* plat_get_rotpk_info() flags
******************************************************************************/
#define ROTPK_IS_HASH (1 << 0)
/*******************************************************************************
* Function declarations
******************************************************************************/
/*******************************************************************************
* Mandatory common functions
******************************************************************************/
uint64_t plat_get_syscnt_freq(void);
int plat_get_image_source(unsigned int image_id,
uintptr_t *dev_handle,
uintptr_t *image_spec);
unsigned long plat_get_ns_image_entrypoint(void);
unsigned int plat_my_core_pos(void);
int plat_core_pos_by_mpidr(u_register_t mpidr);
/*******************************************************************************
* Mandatory interrupt management functions
******************************************************************************/
uint32_t plat_ic_get_pending_interrupt_id(void);
uint32_t plat_ic_get_pending_interrupt_type(void);
uint32_t plat_ic_acknowledge_interrupt(void);
uint32_t plat_ic_get_interrupt_type(uint32_t id);
void plat_ic_end_of_interrupt(uint32_t id);
uint32_t plat_interrupt_type_to_line(uint32_t type,
uint32_t security_state);
/*******************************************************************************
* Optional common functions (may be overridden)
******************************************************************************/
unsigned long plat_get_my_stack(void);
void plat_report_exception(unsigned long);
int plat_crash_console_init(void);
int plat_crash_console_putc(int c);
void plat_error_handler(int err) __dead2;
void plat_panic_handler(void) __dead2;
/*******************************************************************************
* Mandatory BL1 functions
******************************************************************************/
void bl1_early_platform_setup(void);
void bl1_plat_arch_setup(void);
void bl1_platform_setup(void);
struct meminfo *bl1_plat_sec_mem_layout(void);
/*
* The following function is mandatory when the
* firmware update feature is used.
*/
int bl1_plat_mem_check(uintptr_t mem_base, unsigned int mem_size,
unsigned int flags);
/*******************************************************************************
* Optional BL1 functions (may be overridden)
******************************************************************************/
void bl1_init_bl2_mem_layout(const struct meminfo *bl1_mem_layout,
struct meminfo *bl2_mem_layout);
/*
* The following functions are used for image loading process in BL1.
*/
void bl1_plat_set_ep_info(unsigned int image_id,
struct entry_point_info *ep_info);
/*
* The following functions are mandatory when firmware update
* feature is used and optional otherwise.
*/
unsigned int bl1_plat_get_next_image_id(void);
struct image_desc *bl1_plat_get_image_desc(unsigned int image_id);
/*
* The following functions are used by firmware update
* feature and may optionally be overridden.
*/
__dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved);
/*******************************************************************************
* Mandatory BL2 functions
******************************************************************************/
void bl2_early_platform_setup(struct meminfo *mem_layout);
void bl2_plat_arch_setup(void);
void bl2_platform_setup(void);
struct meminfo *bl2_plat_sec_mem_layout(void);
/*
* This function returns a pointer to the shared memory that the platform has
* kept aside to pass trusted firmware related information that BL31
* could need
*/
struct bl31_params *bl2_plat_get_bl31_params(void);
/*
* This function returns a pointer to the shared memory that the platform
* has kept to point to entry point information of BL31 to BL2
*/
struct entry_point_info *bl2_plat_get_bl31_ep_info(void);
/*
* This function flushes to main memory all the params that are
* passed to BL31
*/
void bl2_plat_flush_bl31_params(void);
/*
* The next 2 functions allow the platform to change the entrypoint information
* for the mandatory 3rd level BL images, BL31 and BL33. This is done after
* BL2 has loaded those images into memory but before BL31 is executed.
*/
void bl2_plat_set_bl31_ep_info(struct image_info *image,
struct entry_point_info *ep);
void bl2_plat_set_bl33_ep_info(struct image_info *image,
struct entry_point_info *ep);
/* Gets the memory layout for BL33 */
void bl2_plat_get_bl33_meminfo(struct meminfo *mem_info);
/*******************************************************************************
* Conditionally mandatory BL2 functions: must be implemented if SCP_BL2 image
* is supported
******************************************************************************/
/* Gets the memory layout for SCP_BL2 */
void bl2_plat_get_scp_bl2_meminfo(struct meminfo *mem_info);
/*
* This function is called after loading SCP_BL2 image and it is used to perform
* any platform-specific actions required to handle the SCP firmware.
*/
int bl2_plat_handle_scp_bl2(struct image_info *scp_bl2_image_info);
/*******************************************************************************
* Conditionally mandatory BL2 functions: must be implemented if BL32 image
* is supported
******************************************************************************/
void bl2_plat_set_bl32_ep_info(struct image_info *image,
struct entry_point_info *ep);
/* Gets the memory layout for BL32 */
void bl2_plat_get_bl32_meminfo(struct meminfo *mem_info);
/*******************************************************************************
* Optional BL2 functions (may be overridden)
******************************************************************************/
/*******************************************************************************
* Mandatory BL2U functions.
******************************************************************************/
void bl2u_early_platform_setup(struct meminfo *mem_layout,
void *plat_info);
void bl2u_plat_arch_setup(void);
void bl2u_platform_setup(void);
/*******************************************************************************
* Conditionally mandatory BL2U functions for CSS platforms.
******************************************************************************/
/*
* This function is used to perform any platform-specific actions required to
* handle the BL2U_SCP firmware.
*/
int bl2u_plat_handle_scp_bl2u(void);
/*******************************************************************************
* Mandatory BL31 functions
******************************************************************************/
void bl31_early_platform_setup(struct bl31_params *from_bl2,
void *plat_params_from_bl2);
void bl31_plat_arch_setup(void);
void bl31_platform_setup(void);
void bl31_plat_runtime_setup(void);
struct entry_point_info *bl31_plat_get_next_image_ep_info(uint32_t type);
/*******************************************************************************
* Mandatory PSCI functions (BL31)
******************************************************************************/
int plat_setup_psci_ops(uintptr_t sec_entrypoint,
const struct plat_psci_ops **);
const unsigned char *plat_get_power_domain_tree_desc(void);
/*******************************************************************************
* Optional PSCI functions (BL31).
******************************************************************************/
plat_local_state_t plat_get_target_pwr_state(unsigned int lvl,
const plat_local_state_t *states,
unsigned int ncpu);
/*******************************************************************************
* Optional BL31 functions (may be overridden)
******************************************************************************/
void bl31_plat_enable_mmu(uint32_t flags);
/*******************************************************************************
* Optional BL32 functions (may be overridden)
******************************************************************************/
void bl32_plat_enable_mmu(uint32_t flags);
/*******************************************************************************
* Trusted Board Boot functions
******************************************************************************/
int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
unsigned int *flags);
#if ENABLE_PLAT_COMPAT
/*
* The below declarations are to enable compatibility for the platform ports
* using the old platform interface.
*/
/*******************************************************************************
* Optional common functions (may be overridden)
******************************************************************************/
unsigned int platform_get_core_pos(unsigned long mpidr);
/*******************************************************************************
* Mandatory PSCI Compatibility functions (BL31)
******************************************************************************/
int platform_setup_pm(const plat_pm_ops_t **);
unsigned int plat_get_aff_count(unsigned int, unsigned long);
unsigned int plat_get_aff_state(unsigned int, unsigned long);
#else
/*
* The below function enable Trusted Firmware components like SPDs which
* haven't migrated to the new platform API to compile on platforms which
* have the compatibility layer disabled.
*/
unsigned int platform_get_core_pos(unsigned long mpidr) __deprecated;
#endif /* __ENABLE_PLAT_COMPAT__ */
#endif /* __PLATFORM_H__ */