1 // SPDX-License-Identifier: GPL-2.0-only
22 	if (rv_cache_ops && rv_cache_ops->get_priv_group)  in cache_get_priv_group()
23 		return rv_cache_ops->get_priv_group(this_leaf);  in cache_get_priv_group()
27 static struct cacheinfo *get_cacheinfo(u32 level, enum cache_type type)  in get_cacheinfo()  argument
33 	for (index = 0; index < this_cpu_ci->num_leaves; index++) {  in get_cacheinfo()
34 		this_leaf = this_cpu_ci->info_list + index;  in get_cacheinfo()
35 		if (this_leaf->level == level && this_leaf->type == type)  in get_cacheinfo()
42 uintptr_t get_cache_size(u32 level, enum cache_type type)  in get_cache_size()  argument
44 	struct cacheinfo *this_leaf = get_cacheinfo(level, type);  in get_cache_size()
46 	return this_leaf ? this_leaf->size : 0;  in get_cache_size()
49 uintptr_t get_cache_geometry(u32 level, enum cache_type type)  in get_cache_geometry()  argument
51 	struct cacheinfo *this_leaf = get_cacheinfo(level, type);  in get_cache_geometry()
53 	return this_leaf ? (this_leaf->ways_of_associativity << 16 |  in get_cache_geometry()
54 			    this_leaf->coherency_line_size) :  in get_cache_geometry()
59 			 unsigned int level, unsigned int size,  in ci_leaf_init()  argument
62 	this_leaf->level = level;  in ci_leaf_init()
63 	this_leaf->type = type;  in ci_leaf_init()
64 	this_leaf->size = size;  in ci_leaf_init()
65 	this_leaf->number_of_sets = sets;  in ci_leaf_init()
66 	this_leaf->coherency_line_size = line_size;  in ci_leaf_init()
69 	 * If the cache is fully associative, there is no need to  in ci_leaf_init()
76 	 * Set the ways number for n-ways associative, make sure  in ci_leaf_init()
80 		this_leaf->ways_of_associativity = (size / sets) / line_size;  in ci_leaf_init()
84 			   struct device_node *node, unsigned int level)  in fill_cacheinfo()  argument
88 	if (!of_property_read_u32(node, "cache-size", &size) &&  in fill_cacheinfo()
89 	    !of_property_read_u32(node, "cache-block-size", &line_size) &&  in fill_cacheinfo()
90 	    !of_property_read_u32(node, "cache-sets", &sets)) {  in fill_cacheinfo()
91 		ci_leaf_init((*this_leaf)++, CACHE_TYPE_UNIFIED, level, size, sets, line_size);  in fill_cacheinfo()
94 	if (!of_property_read_u32(node, "i-cache-size", &size) &&  in fill_cacheinfo()
95 	    !of_property_read_u32(node, "i-cache-sets", &sets) &&  in fill_cacheinfo()
96 	    !of_property_read_u32(node, "i-cache-block-size", &line_size)) {  in fill_cacheinfo()
97 		ci_leaf_init((*this_leaf)++, CACHE_TYPE_INST, level, size, sets, line_size);  in fill_cacheinfo()
100 	if (!of_property_read_u32(node, "d-cache-size", &size) &&  in fill_cacheinfo()
101 	    !of_property_read_u32(node, "d-cache-sets", &sets) &&  in fill_cacheinfo()
102 	    !of_property_read_u32(node, "d-cache-block-size", &line_size)) {  in fill_cacheinfo()
103 		ci_leaf_init((*this_leaf)++, CACHE_TYPE_DATA, level, size, sets, line_size);  in fill_cacheinfo()
112 	int levels = 0, leaves = 0, level;  in __init_cache_level()  local
114 	if (of_property_read_bool(np, "cache-size"))  in __init_cache_level()
116 	if (of_property_read_bool(np, "i-cache-size"))  in __init_cache_level()
118 	if (of_property_read_bool(np, "d-cache-size"))  in __init_cache_level()
127 		if (!of_device_is_compatible(np, "cache"))  in __init_cache_level()
129 		if (of_property_read_u32(np, "cache-level", &level))  in __init_cache_level()
131 		if (level <= levels)  in __init_cache_level()
133 		if (of_property_read_bool(np, "cache-size"))  in __init_cache_level()
135 		if (of_property_read_bool(np, "i-cache-size"))  in __init_cache_level()
137 		if (of_property_read_bool(np, "d-cache-size"))  in __init_cache_level()
139 		levels = level;  in __init_cache_level()
143 	this_cpu_ci->num_levels = levels;  in __init_cache_level()
144 	this_cpu_ci->num_leaves = leaves;  in __init_cache_level()
152 	struct cacheinfo *this_leaf = this_cpu_ci->info_list;  in __populate_cache_leaves()
155 	int levels = 1, level = 1;  in __populate_cache_leaves()  local
157 	/* Level 1 caches in cpu node */  in __populate_cache_leaves()
158 	fill_cacheinfo(&this_leaf, np, level);  in __populate_cache_leaves()
160 	/* Next level caches in cache nodes */  in __populate_cache_leaves()
166 		if (!of_device_is_compatible(np, "cache"))  in __populate_cache_leaves()
168 		if (of_property_read_u32(np, "cache-level", &level))  in __populate_cache_leaves()
170 		if (level <= levels)  in __populate_cache_leaves()
173 		fill_cacheinfo(&this_leaf, np, level);  in __populate_cache_leaves()
175 		levels = level;  in __populate_cache_leaves()