/* * Copyright (c) 2013-2015, 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 #include #include /******************************************************************************* * 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; /******************************************************************************* * 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) __warn_deprecated; #endif /* __ENABLE_PLAT_COMPAT__ */ #endif /* __PLATFORM_H__ */