blob: b62a631581282555d287b4b5480140a86281dd25 [file] [log] [blame]
Dan Handleyed6ff952014-05-14 17:44:19 +01001/*
Soby Mathew294e1cf2022-03-22 16:19:39 +00002 * Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
Dan Handleyed6ff952014-05-14 17:44:19 +01003 *
dp-armfa3cf0b2017-05-03 09:38:09 +01004 * SPDX-License-Identifier: BSD-3-Clause
Dan Handleyed6ff952014-05-14 17:44:19 +01005 */
6
Antonio Nino Diazfec756f2018-07-18 16:24:16 +01007#ifndef PLATFORM_H
8#define PLATFORM_H
Dan Handleyed6ff952014-05-14 17:44:19 +01009
10#include <stdint.h>
Dan Handleyed6ff952014-05-14 17:44:19 +010011
Antonio Nino Diaze0f90632018-12-14 00:18:21 +000012#include <lib/psci/psci.h>
Achin Guptada6ef0e2019-10-11 14:54:48 +010013#if defined(SPD_spmd)
14 #include <services/spm_core_manifest.h>
15#endif
Jimmy Brisson26c5b5c2020-06-22 14:18:42 -050016#if TRNG_SUPPORT
17#include "plat_trng.h"
18#endif
Manish V Badarkhea040b642021-06-20 21:04:49 +010019#include <drivers/fwu/fwu_metadata.h>
Antonio Nino Diaze0f90632018-12-14 00:18:21 +000020
Dan Handleyed6ff952014-05-14 17:44:19 +010021/*******************************************************************************
22 * Forward declarations
23 ******************************************************************************/
dp-armb3e85802016-12-12 14:48:13 +000024struct auth_img_desc_s;
Dan Handleyed6ff952014-05-14 17:44:19 +010025struct meminfo;
26struct image_info;
27struct entry_point_info;
Yatharth Kochara65be2f2015-10-09 18:06:13 +010028struct image_desc;
Yatharth Kochar3345a8d2016-09-12 16:08:41 +010029struct bl_load_info;
30struct bl_params;
Antonio Nino Diazc41f2062017-10-24 10:07:35 +010031struct mmap_region;
Paul Beesley45f40282019-10-15 10:57:42 +000032struct spm_mm_boot_info;
Antonio Nino Diazb86edcb2018-10-30 11:12:42 +000033struct sp_res_desc;
Sumit Garg617e2152019-11-15 15:34:55 +053034enum fw_enc_status_t;
Dan Handleyed6ff952014-05-14 17:44:19 +010035
36/*******************************************************************************
Juan Castillo31a68f02015-04-14 12:49:03 +010037 * plat_get_rotpk_info() flags
38 ******************************************************************************/
39#define ROTPK_IS_HASH (1 << 0)
Soby Mathew2f7ed052016-05-24 15:05:15 +010040/* Flag used to skip verification of the certificate ROTPK while the platform
41 ROTPK is not deployed */
42#define ROTPK_NOT_DEPLOYED (1 << 1)
Juan Castillo31a68f02015-04-14 12:49:03 +010043
44/*******************************************************************************
Sumit Garg392e4df2019-11-15 10:43:00 +053045 * plat_get_enc_key_info() flags
46 ******************************************************************************/
47/*
48 * Flag used to notify caller that information provided in key buffer is an
49 * identifier rather than an actual key.
50 */
51#define ENC_KEY_IS_IDENTIFIER (1 << 0)
52
53/*******************************************************************************
Dan Handley7ce42df2014-05-15 14:11:36 +010054 * Function declarations
Dan Handleyed6ff952014-05-14 17:44:19 +010055 ******************************************************************************/
Dan Handley7ce42df2014-05-15 14:11:36 +010056/*******************************************************************************
57 * Mandatory common functions
58 ******************************************************************************/
Antonio Nino Diaz391a76e2016-05-18 16:53:31 +010059unsigned int plat_get_syscnt_freq2(void);
60
Juan Castillo3a66aca2015-04-13 17:36:19 +010061int plat_get_image_source(unsigned int image_id,
Dan Handley7ce42df2014-05-15 14:11:36 +010062 uintptr_t *dev_handle,
63 uintptr_t *image_spec);
Soby Mathew21f93612016-03-23 10:11:10 +000064uintptr_t plat_get_ns_image_entrypoint(void);
Soby Mathew981487a2015-07-13 14:10:57 +010065unsigned int plat_my_core_pos(void);
66int plat_core_pos_by_mpidr(u_register_t mpidr);
Ambroise Vincentd207f562019-04-10 12:50:27 +010067int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size);
Dan Handley7ce42df2014-05-15 14:11:36 +010068
Douglas Raillard306593d2017-02-24 18:14:15 +000069#if STACK_PROTECTOR_ENABLED
70/*
71 * Return a new value to be used for the stack protection's canary.
72 *
73 * Ideally, this value is a random number that is impossible to predict by an
74 * attacker.
75 */
76u_register_t plat_get_stack_protector_canary(void);
77#endif /* STACK_PROTECTOR_ENABLED */
78
Dan Handley7ce42df2014-05-15 14:11:36 +010079/*******************************************************************************
80 * Mandatory interrupt management functions
81 ******************************************************************************/
Dan Handley701fea72014-05-27 16:17:21 +010082uint32_t plat_ic_get_pending_interrupt_id(void);
83uint32_t plat_ic_get_pending_interrupt_type(void);
84uint32_t plat_ic_acknowledge_interrupt(void);
85uint32_t plat_ic_get_interrupt_type(uint32_t id);
86void plat_ic_end_of_interrupt(uint32_t id);
Dan Handleyed6ff952014-05-14 17:44:19 +010087uint32_t plat_interrupt_type_to_line(uint32_t type,
88 uint32_t security_state);
89
Dan Handley7ce42df2014-05-15 14:11:36 +010090/*******************************************************************************
Jeenu Viswambharanb1e957e2017-09-22 08:32:09 +010091 * Optional interrupt management functions, depending on chosen EL3 components.
92 ******************************************************************************/
93unsigned int plat_ic_get_running_priority(void);
Jeenu Viswambharan522a4652017-09-22 08:32:09 +010094int plat_ic_is_spi(unsigned int id);
95int plat_ic_is_ppi(unsigned int id);
96int plat_ic_is_sgi(unsigned int id);
Jeenu Viswambharan24e70292017-09-22 08:32:09 +010097unsigned int plat_ic_get_interrupt_active(unsigned int id);
Jeenu Viswambharan0fcdfff2017-09-22 08:32:09 +010098void plat_ic_disable_interrupt(unsigned int id);
99void plat_ic_enable_interrupt(unsigned int id);
Jeenu Viswambharanc06f05c2017-09-22 08:32:09 +0100100int plat_ic_has_interrupt_type(unsigned int type);
101void plat_ic_set_interrupt_type(unsigned int id, unsigned int type);
Jeenu Viswambharan447b89d2017-09-22 08:32:09 +0100102void plat_ic_set_interrupt_priority(unsigned int id, unsigned int priority);
Jeenu Viswambharanab14e9b2017-09-22 08:32:09 +0100103void plat_ic_raise_el3_sgi(int sgi_num, u_register_t target);
Jeenu Viswambharandce70b32017-09-22 08:32:09 +0100104void plat_ic_set_spi_routing(unsigned int id, unsigned int routing_mode,
105 u_register_t mpidr);
Jeenu Viswambharaneb1c12c2017-09-22 08:32:09 +0100106void plat_ic_set_interrupt_pending(unsigned int id);
107void plat_ic_clear_interrupt_pending(unsigned int id);
Jeenu Viswambharan62505072017-09-22 08:32:09 +0100108unsigned int plat_ic_set_priority_mask(unsigned int mask);
Jeenu Viswambharan055af4b2017-10-24 15:13:59 +0100109unsigned int plat_ic_get_interrupt_id(unsigned int raw);
Jeenu Viswambharanb1e957e2017-09-22 08:32:09 +0100110
111/*******************************************************************************
Dan Handley7ce42df2014-05-15 14:11:36 +0100112 * Optional common functions (may be overridden)
113 ******************************************************************************/
Soby Mathewa0fedc42016-06-16 14:52:04 +0100114uintptr_t plat_get_my_stack(void);
Yatharth Kocharf528faf2016-06-28 16:58:26 +0100115void plat_report_exception(unsigned int exception_type);
Sandrine Bailleux046cd3f2014-08-06 11:27:23 +0100116int plat_crash_console_init(void);
Soby Mathew066f7132014-07-14 16:57:23 +0100117int plat_crash_console_putc(int c);
Jimmy Brisson39f9eee2020-08-05 13:44:05 -0500118void plat_crash_console_flush(void);
Juan Castillo26ae5832015-09-25 15:41:14 +0100119void plat_error_handler(int err) __dead2;
Antonio Nino Diaz1f21bcf2016-02-01 13:57:25 +0000120void plat_panic_handler(void) __dead2;
Soby Mathewaaf15f52017-09-04 11:49:29 +0100121const char *plat_log_get_prefix(unsigned int log_level);
Roberto Vargasbc1ae1f2017-09-26 12:53:01 +0100122void bl2_plat_preload_setup(void);
123int plat_try_next_boot_source(void);
Dan Handley7ce42df2014-05-15 14:11:36 +0100124
Manish V Badarkhea74d9632021-09-14 23:12:42 +0100125#if MEASURED_BOOT
126int plat_mboot_measure_image(unsigned int image_id, image_info_t *image_data);
Manish V Badarkhe1ffa0092021-10-20 22:06:40 +0100127int plat_mboot_measure_critical_data(unsigned int critical_data_id,
128 const void *base,
129 size_t size);
Manish V Badarkhea74d9632021-09-14 23:12:42 +0100130#else
131static inline int plat_mboot_measure_image(unsigned int image_id __unused,
132 image_info_t *image_data __unused)
133{
134 return 0;
135}
Manish V Badarkhe1ffa0092021-10-20 22:06:40 +0100136static inline int plat_mboot_measure_critical_data(
137 unsigned int critical_data_id __unused,
138 const void *base __unused,
139 size_t size __unused)
140{
141 return 0;
142}
Manish V Badarkhea74d9632021-09-14 23:12:42 +0100143#endif /* MEASURED_BOOT */
144
Dan Handley7ce42df2014-05-15 14:11:36 +0100145/*******************************************************************************
146 * Mandatory BL1 functions
147 ******************************************************************************/
Dan Handley4fd2f5c2014-08-04 11:41:20 +0100148void bl1_early_platform_setup(void);
Dan Handley7ce42df2014-05-15 14:11:36 +0100149void bl1_plat_arch_setup(void);
150void bl1_platform_setup(void);
151struct meminfo *bl1_plat_sec_mem_layout(void);
Dan Handleyed6ff952014-05-14 17:44:19 +0100152
Jeenu Viswambharan04e3a7f2017-10-16 08:43:14 +0100153/*******************************************************************************
154 * Optional EL3 component functions in BL31
155 ******************************************************************************/
156
157/* SDEI platform functions */
158#if SDEI_SUPPORT
Balint Dobszayd0dbd5e2019-12-18 15:28:00 +0100159void plat_sdei_setup(void);
Jeenu Viswambharan04e3a7f2017-10-16 08:43:14 +0100160int plat_sdei_validate_entry_point(uintptr_t ep, unsigned int client_mode);
161void plat_sdei_handle_masked_trigger(uint64_t mpidr, unsigned int intr);
162#endif
163
Pali Rohárc36e97f2021-06-21 17:22:27 +0200164void plat_default_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
165 void *handle, uint64_t flags);
Jeenu Viswambharan96c7df02017-11-30 12:54:15 +0000166void plat_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
167 void *handle, uint64_t flags);
168
Yatharth Kochar71c9a5e2015-10-10 19:06:53 +0100169/*
170 * The following function is mandatory when the
171 * firmware update feature is used.
172 */
173int bl1_plat_mem_check(uintptr_t mem_base, unsigned int mem_size,
174 unsigned int flags);
175
Dan Handley7ce42df2014-05-15 14:11:36 +0100176/*******************************************************************************
177 * Optional BL1 functions (may be overridden)
178 ******************************************************************************/
Yatharth Kochara65be2f2015-10-09 18:06:13 +0100179/*
180 * The following functions are used for image loading process in BL1.
181 */
182void bl1_plat_set_ep_info(unsigned int image_id,
183 struct entry_point_info *ep_info);
Yatharth Kochar71c9a5e2015-10-10 19:06:53 +0100184/*
185 * The following functions are mandatory when firmware update
186 * feature is used and optional otherwise.
187 */
Yatharth Kochara65be2f2015-10-09 18:06:13 +0100188unsigned int bl1_plat_get_next_image_id(void);
189struct image_desc *bl1_plat_get_image_desc(unsigned int image_id);
Dan Handley7ce42df2014-05-15 14:11:36 +0100190
Yatharth Kochar71c9a5e2015-10-10 19:06:53 +0100191/*
192 * The following functions are used by firmware update
193 * feature and may optionally be overridden.
194 */
Dan Handley89f8f332015-12-15 14:28:24 +0000195__dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved);
Yatharth Kochar71c9a5e2015-10-10 19:06:53 +0100196
Masahiro Yamada43d20b32018-02-01 16:46:18 +0900197/*
Soby Mathew2f38ce32018-02-08 17:45:12 +0000198 * This BL1 function can be used by the platforms to update/use image
199 * information for a given `image_id`.
Masahiro Yamada43d20b32018-02-01 16:46:18 +0900200 */
Soby Mathew2f38ce32018-02-08 17:45:12 +0000201int bl1_plat_handle_pre_image_load(unsigned int image_id);
202int bl1_plat_handle_post_image_load(unsigned int image_id);
Yatharth Kochar71c9a5e2015-10-10 19:06:53 +0100203
Manish V Badarkhea74d9632021-09-14 23:12:42 +0100204#if MEASURED_BOOT
205void bl1_plat_mboot_init(void);
206void bl1_plat_mboot_finish(void);
207#else
208static inline void bl1_plat_mboot_init(void)
209{
210}
211static inline void bl1_plat_mboot_finish(void)
212{
213}
214#endif /* MEASURED_BOOT */
215
Dan Handley7ce42df2014-05-15 14:11:36 +0100216/*******************************************************************************
217 * Mandatory BL2 functions
218 ******************************************************************************/
Soby Mathew73308d02018-01-09 14:36:14 +0000219void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3);
Dan Handley7ce42df2014-05-15 14:11:36 +0100220void bl2_plat_arch_setup(void);
221void bl2_platform_setup(void);
222struct meminfo *bl2_plat_sec_mem_layout(void);
223
Yatharth Kochar3345a8d2016-09-12 16:08:41 +0100224/*
225 * This function can be used by the platforms to update/use image
226 * information for given `image_id`.
227 */
Masahiro Yamada02a0d3d2018-02-01 16:45:51 +0900228int bl2_plat_handle_pre_image_load(unsigned int image_id);
Yatharth Kochar3345a8d2016-09-12 16:08:41 +0100229int bl2_plat_handle_post_image_load(unsigned int image_id);
230
Sandrine Bailleuxf841ef02014-06-24 14:19:36 +0100231/*******************************************************************************
Dan Handley7ce42df2014-05-15 14:11:36 +0100232 * Optional BL2 functions (may be overridden)
233 ******************************************************************************/
Alexei Fedorovc7176172020-07-13 12:11:05 +0100234#if MEASURED_BOOT
Manish V Badarkhe5797b802021-08-06 09:26:20 +0100235void bl2_plat_mboot_init(void);
236void bl2_plat_mboot_finish(void);
237#else
238static inline void bl2_plat_mboot_init(void)
239{
240}
241static inline void bl2_plat_mboot_finish(void)
242{
Manish V Badarkhe57b669f2021-09-20 09:06:02 +0100243}
Manish V Badarkhe5797b802021-08-06 09:26:20 +0100244#endif /* MEASURED_BOOT */
Roberto Vargase0e99462017-10-30 14:43:43 +0000245
246/*******************************************************************************
247 * Mandatory BL2 at EL3 functions: Must be implemented if BL2_AT_EL3 image is
248 * supported
249 ******************************************************************************/
250void bl2_el3_early_platform_setup(u_register_t arg0, u_register_t arg1,
251 u_register_t arg2, u_register_t arg3);
252void bl2_el3_plat_arch_setup(void);
253
Roberto Vargase0e99462017-10-30 14:43:43 +0000254/*******************************************************************************
255 * Optional BL2 at EL3 functions (may be overridden)
256 ******************************************************************************/
257void bl2_el3_plat_prepare_exit(void);
258
Dan Handley7ce42df2014-05-15 14:11:36 +0100259/*******************************************************************************
Yatharth Kocharb1c2fe02015-10-14 15:27:24 +0100260 * Mandatory BL2U functions.
261 ******************************************************************************/
262void bl2u_early_platform_setup(struct meminfo *mem_layout,
263 void *plat_info);
264void bl2u_plat_arch_setup(void);
265void bl2u_platform_setup(void);
266
267/*******************************************************************************
268 * Conditionally mandatory BL2U functions for CSS platforms.
269 ******************************************************************************/
270/*
271 * This function is used to perform any platform-specific actions required to
272 * handle the BL2U_SCP firmware.
273 */
274int bl2u_plat_handle_scp_bl2u(void);
275
276/*******************************************************************************
Juan Castillo7d199412015-12-14 09:35:25 +0000277 * Mandatory BL31 functions
Dan Handley7ce42df2014-05-15 14:11:36 +0100278 ******************************************************************************/
Soby Mathew73308d02018-01-09 14:36:14 +0000279void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
280 u_register_t arg2, u_register_t arg3);
Dan Handley7ce42df2014-05-15 14:11:36 +0100281void bl31_plat_arch_setup(void);
282void bl31_platform_setup(void);
Soby Mathew1ff495b2015-12-09 11:28:43 +0000283void bl31_plat_runtime_setup(void);
Dan Handley701fea72014-05-27 16:17:21 +0100284struct entry_point_info *bl31_plat_get_next_image_ep_info(uint32_t type);
Dan Handley7ce42df2014-05-15 14:11:36 +0100285
286/*******************************************************************************
Juan Castillo7d199412015-12-14 09:35:25 +0000287 * Mandatory PSCI functions (BL31)
Dan Handley7ce42df2014-05-15 14:11:36 +0100288 ******************************************************************************/
Soby Mathew981487a2015-07-13 14:10:57 +0100289int plat_setup_psci_ops(uintptr_t sec_entrypoint,
Roberto Vargas777dd432018-02-12 12:36:17 +0000290 const struct plat_psci_ops **psci_ops);
Soby Mathew981487a2015-07-13 14:10:57 +0100291const unsigned char *plat_get_power_domain_tree_desc(void);
292
293/*******************************************************************************
Juan Castillo7d199412015-12-14 09:35:25 +0000294 * Optional PSCI functions (BL31).
Soby Mathew981487a2015-07-13 14:10:57 +0100295 ******************************************************************************/
dp-arm66abfbe2017-01-31 13:01:04 +0000296void plat_psci_stat_accounting_start(const psci_power_state_t *state_info);
297void plat_psci_stat_accounting_stop(const psci_power_state_t *state_info);
298u_register_t plat_psci_stat_get_residency(unsigned int lvl,
299 const psci_power_state_t *state_info,
Deepika Bhavnani4287c0c2019-12-13 10:23:18 -0600300 unsigned int last_cpu_idx);
Soby Mathew981487a2015-07-13 14:10:57 +0100301plat_local_state_t plat_get_target_pwr_state(unsigned int lvl,
302 const plat_local_state_t *states,
303 unsigned int ncpu);
Dan Handley7ce42df2014-05-15 14:11:36 +0100304
305/*******************************************************************************
Soby Mathew294e1cf2022-03-22 16:19:39 +0000306 * Mandatory BL31 functions when ENABLE_RME=1
307 ******************************************************************************/
308int plat_get_cca_attest_token(uintptr_t buf, size_t *len,
309 uintptr_t hash, size_t hash_size);
Soby Mathewf05d93a2022-03-22 16:21:19 +0000310int plat_get_cca_realm_attest_key(uintptr_t buf, size_t *len,
311 unsigned int type);
312
Soby Mathew294e1cf2022-03-22 16:19:39 +0000313/*******************************************************************************
Juan Castillo7d199412015-12-14 09:35:25 +0000314 * Optional BL31 functions (may be overridden)
Dan Handleyb226a4d2014-05-16 14:08:45 +0100315 ******************************************************************************/
Achin Guptae9982542014-06-26 08:59:07 +0100316void bl31_plat_enable_mmu(uint32_t flags);
Dan Handleyb226a4d2014-05-16 14:08:45 +0100317
318/*******************************************************************************
Juan Castillo7d199412015-12-14 09:35:25 +0000319 * Optional BL32 functions (may be overridden)
Dan Handleyb226a4d2014-05-16 14:08:45 +0100320 ******************************************************************************/
Achin Guptae9982542014-06-26 08:59:07 +0100321void bl32_plat_enable_mmu(uint32_t flags);
Dan Handleyb226a4d2014-05-16 14:08:45 +0100322
Juan Castillo5e29c752015-01-07 10:39:25 +0000323/*******************************************************************************
Juan Castillo31a68f02015-04-14 12:49:03 +0100324 * Trusted Board Boot functions
Juan Castillo5e29c752015-01-07 10:39:25 +0000325 ******************************************************************************/
Juan Castillo31a68f02015-04-14 12:49:03 +0100326int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
327 unsigned int *flags);
Juan Castillobfb7fa62016-01-22 11:05:57 +0000328int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr);
329int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr);
dp-armb3e85802016-12-12 14:48:13 +0000330int plat_set_nv_ctr2(void *cookie, const struct auth_img_desc_s *img_desc,
331 unsigned int nv_ctr);
Ambroise Vincentd207f562019-04-10 12:50:27 +0100332int get_mbedtls_heap_helper(void **heap_addr, size_t *heap_size);
Sumit Garg617e2152019-11-15 15:34:55 +0530333int plat_get_enc_key_info(enum fw_enc_status_t fw_enc_status, uint8_t *key,
334 size_t *key_len, unsigned int *flags,
335 const uint8_t *img_id, size_t img_id_len);
Juan Castillo5e29c752015-01-07 10:39:25 +0000336
Antonio Nino Diazc41f2062017-10-24 10:07:35 +0100337/*******************************************************************************
338 * Secure Partitions functions
339 ******************************************************************************/
340const struct mmap_region *plat_get_secure_partition_mmap(void *cookie);
Paul Beesley45f40282019-10-15 10:57:42 +0000341const struct spm_mm_boot_info *plat_get_secure_partition_boot_info(
Antonio Nino Diazc41f2062017-10-24 10:07:35 +0100342 void *cookie);
Antonio Nino Diazb86edcb2018-10-30 11:12:42 +0000343int plat_spm_sp_rd_load(struct sp_res_desc *rd, const void *ptr, size_t size);
Antonio Nino Diaz840627f2018-11-27 08:36:02 +0000344int plat_spm_sp_get_next_address(void **sp_base, size_t *sp_size,
345 void **rd_base, size_t *rd_size);
Achin Guptada6ef0e2019-10-11 14:54:48 +0100346#if defined(SPD_spmd)
Olivier Deprez2bae35f2020-04-16 13:39:06 +0200347int plat_spm_core_manifest_load(spmc_manifest_attribute_t *manifest,
Olivier Deprez69ca84a2020-02-07 15:44:43 +0100348 const void *pm_addr);
Achin Guptada6ef0e2019-10-11 14:54:48 +0100349#endif
Marc Bonnicic66fc1b2021-12-16 18:31:02 +0000350#if defined(SPMC_AT_EL3)
351int plat_spmc_shmem_datastore_get(uint8_t **datastore, size_t *size);
352#endif
353
Yatharth Kochar3345a8d2016-09-12 16:08:41 +0100354/*******************************************************************************
355 * Mandatory BL image load functions(may be overridden).
356 ******************************************************************************/
357/*
358 * This function returns pointer to the list of images that the
359 * platform has populated to load.
360 */
361struct bl_load_info *plat_get_bl_image_load_info(void);
362
363/*
364 * This function returns a pointer to the shared memory that the
365 * platform has kept aside to pass trusted firmware related
366 * information that next BL image could need.
367 */
368struct bl_params *plat_get_next_bl_params(void);
369
370/*
371 * This function flushes to main memory all the params that are
372 * passed to next image.
373 */
374void plat_flush_next_bl_params(void);
375
Soby Mathew70716d62015-07-13 16:26:11 +0100376/*
377 * The below function enable Trusted Firmware components like SPDs which
378 * haven't migrated to the new platform API to compile on platforms which
379 * have the compatibility layer disabled.
380 */
Roberto Vargas05712702018-02-12 12:36:17 +0000381unsigned int platform_core_pos_helper(unsigned long mpidr);
Douglas Raillard306593d2017-02-24 18:14:15 +0000382
Manish V Badarkhef809c6e2020-02-22 08:43:00 +0000383/*
384 * Optional function to get SOC version
385 */
386int32_t plat_get_soc_version(void);
387
388/*
389 * Optional function to get SOC revision
390 */
391int32_t plat_get_soc_revision(void);
392
Manish V Badarkhe80f13ee2020-07-23 20:23:01 +0100393/*
394 * Optional function to check for SMCCC function availability for platform
395 */
396int32_t plat_is_smccc_feature_available(u_register_t fid);
397
Manish V Badarkhea040b642021-06-20 21:04:49 +0100398/*******************************************************************************
399 * FWU platform specific functions
400 ******************************************************************************/
401int plat_fwu_set_metadata_image_source(unsigned int image_id,
402 uintptr_t *dev_handle,
403 uintptr_t *image_spec);
Sughosh Ganuf40154f2021-11-17 17:08:10 +0530404void plat_fwu_set_images_source(const struct fwu_metadata *metadata);
Sughosh Ganu4e336a62021-12-01 15:53:32 +0530405uint32_t plat_fwu_get_boot_idx(void);
Manish V Badarkhea040b642021-06-20 21:04:49 +0100406
Antonio Nino Diazfec756f2018-07-18 16:24:16 +0100407#endif /* PLATFORM_H */