1 /*
2  * Copyright 2018-2021 NXP
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 #ifndef PLAT_COMMON_H
9 #define PLAT_COMMON_H
10 
11 #include <stdbool.h>
12 
13 #include <dcfg.h>
14 #include <lib/el3_runtime/cpu_data.h>
15 
16 #include <platform_def.h>
17 
18 #ifdef IMAGE_BL31
19 
20 #define BL31_END (uintptr_t)(&__BL31_END__)
21 
22 /*******************************************************************************
23  * This structure represents the superset of information that can be passed to
24  * BL31 e.g. while passing control to it from BL2. The BL32 parameters will be
25  * populated only if BL2 detects its presence. A pointer to a structure of this
26  * type should be passed in X0 to BL31's cold boot entrypoint.
27  *
28  * Use of this structure and the X0 parameter is not mandatory: the BL31
29  * platform code can use other mechanisms to provide the necessary information
30  * about BL32 and BL33 to the common and SPD code.
31  *
32  * BL31 image information is mandatory if this structure is used. If either of
33  * the optional BL32 and BL33 image information is not provided, this is
34  * indicated by the respective image_info pointers being zero.
35  ******************************************************************************/
36 typedef struct bl31_params {
37 	param_header_t h;
38 	image_info_t *bl31_image_info;
39 	entry_point_info_t *bl32_ep_info;
40 	image_info_t *bl32_image_info;
41 	entry_point_info_t *bl33_ep_info;
42 	image_info_t *bl33_image_info;
43 } bl31_params_t;
44 
45 /* BL3 utility functions */
46 void ls_bl31_early_platform_setup(void *from_bl2,
47 				void *plat_params_from_bl2);
48 /* LS Helper functions	*/
49 unsigned int plat_my_core_mask(void);
50 unsigned int plat_core_mask(u_register_t mpidr);
51 unsigned int plat_core_pos(u_register_t mpidr);
52 //unsigned int plat_my_core_pos(void);
53 
54 /* BL31 Data API(s) */
55 void _init_global_data(void);
56 void _initialize_psci(void);
57 uint32_t _getCoreState(u_register_t core_mask);
58 void _setCoreState(u_register_t core_mask, u_register_t core_state);
59 
60 /* SoC defined structure and API(s) */
61 void soc_runtime_setup(void);
62 void soc_init(void);
63 void soc_platform_setup(void);
64 void soc_early_platform_setup2(void);
65 #endif /* IMAGE_BL31 */
66 
67 #ifdef IMAGE_BL2
68 void soc_early_init(void);
69 void soc_mem_access(void);
70 void soc_preload_setup(void);
71 void soc_bl2_prepare_exit(void);
72 
73 /* IO storage utility functions */
74 int plat_io_setup(void);
75 int open_backend(const uintptr_t spec);
76 
77 void ls_bl2_plat_arch_setup(void);
78 void ls_bl2_el3_plat_arch_setup(void);
79 
80 enum boot_device {
81 	BOOT_DEVICE_IFC_NOR,
82 	BOOT_DEVICE_IFC_NAND,
83 	BOOT_DEVICE_QSPI,
84 	BOOT_DEVICE_EMMC,
85 	BOOT_DEVICE_SDHC2_EMMC,
86 	BOOT_DEVICE_FLEXSPI_NOR,
87 	BOOT_DEVICE_FLEXSPI_NAND,
88 	BOOT_DEVICE_NONE
89 };
90 
91 enum boot_device get_boot_dev(void);
92 
93 /* DDR Related functions */
94 #if DDR_INIT
95 #ifdef NXP_WARM_BOOT
96 long long init_ddr(uint32_t wrm_bt_flg);
97 #else
98 long long init_ddr(void);
99 #endif
100 #endif
101 
102 /* Board specific weak functions */
103 bool board_enable_povdd(void);
104 bool board_disable_povdd(void);
105 
106 void mmap_add_ddr_region_dynamically(void);
107 #endif /* IMAGE_BL2 */
108 
109 typedef struct {
110 	uint64_t addr;
111 	uint64_t size;
112 } region_info_t;
113 
114 typedef struct {
115 	uint64_t num_dram_regions;
116 	int64_t total_dram_size;
117 	region_info_t region[NUM_DRAM_REGIONS];
118 } dram_regions_info_t;
119 
120 dram_regions_info_t *get_dram_regions_info(void);
121 
122 void ls_setup_page_tables(uintptr_t total_base,
123 			size_t total_size,
124 			uintptr_t code_start,
125 			uintptr_t code_limit,
126 			uintptr_t rodata_start,
127 			uintptr_t rodata_limit
128 #if USE_COHERENT_MEM
129 			, uintptr_t coh_start,
130 			uintptr_t coh_limit
131 #endif
132 );
133 
134 #define SOC_NAME_MAX_LEN	(20)
135 
136 /* Structure to define SoC personality */
137 struct soc_type {
138 	char name[SOC_NAME_MAX_LEN];
139 	uint32_t version;
140 	uint8_t num_clusters;
141 	uint8_t cores_per_cluster;
142 };
143 void get_cluster_info(const struct soc_type *soc_list, uint8_t ps_count,
144 		uint8_t *num_clusters, uint8_t *cores_per_cluster);
145 
146 #define SOC_ENTRY(n, v, ncl, nc) {	\
147 		.name = #n,		\
148 		.version = SVR_##v,	\
149 		.num_clusters = (ncl),	\
150 		.cores_per_cluster = (nc)}
151 
152 #endif /* PLAT_COMMON_H */
153