xref: /arm-trusted-firmware/include/lib/fconf/fconf_dyn_cfg_getter.h (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2019-2023, Arm Limited. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #ifndef FCONF_DYN_CFG_GETTER_H
8*91f16700Schasinglulu #define FCONF_DYN_CFG_GETTER_H
9*91f16700Schasinglulu 
10*91f16700Schasinglulu #include <lib/fconf/fconf.h>
11*91f16700Schasinglulu 
12*91f16700Schasinglulu #define FCONF_INVALID_IDX	0xFFFFFFFFU
13*91f16700Schasinglulu 
14*91f16700Schasinglulu /* Dynamic configuration related getter */
15*91f16700Schasinglulu #define dyn_cfg__dtb_getter(id)	dyn_cfg_dtb_info_getter(id)
16*91f16700Schasinglulu 
17*91f16700Schasinglulu struct dyn_cfg_dtb_info_t {
18*91f16700Schasinglulu 	uintptr_t config_addr;
19*91f16700Schasinglulu 	uint32_t config_max_size;
20*91f16700Schasinglulu 	unsigned int config_id;
21*91f16700Schasinglulu 	/*
22*91f16700Schasinglulu 	 * A platform uses this address to copy the configuration
23*91f16700Schasinglulu 	 * to another location during the boot-flow.
24*91f16700Schasinglulu 	 * - e.g. HW_CONFIG
25*91f16700Schasinglulu 	 */
26*91f16700Schasinglulu 	uintptr_t secondary_config_addr;
27*91f16700Schasinglulu };
28*91f16700Schasinglulu 
29*91f16700Schasinglulu unsigned int dyn_cfg_dtb_info_get_index(unsigned int config_id);
30*91f16700Schasinglulu struct dyn_cfg_dtb_info_t *dyn_cfg_dtb_info_getter(unsigned int config_id);
31*91f16700Schasinglulu int fconf_populate_dtb_registry(uintptr_t config);
32*91f16700Schasinglulu 
33*91f16700Schasinglulu /* Set config information in global DTB array */
34*91f16700Schasinglulu void set_config_info(uintptr_t config_addr, uintptr_t secondary_config_addr,
35*91f16700Schasinglulu 		     uint32_t config_max_size,
36*91f16700Schasinglulu 		     unsigned int config_id);
37*91f16700Schasinglulu 
38*91f16700Schasinglulu #endif /* FCONF_DYN_CFG_GETTER_H */
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