1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (c) 2017 Google, Inc 4 * Written by Simon Glass <sjg@chromium.org> 5 */ 6 7 #include <common.h> 8 #include <dm.h> 9 #include <mapmem.h> 10 #include <dm/of_access.h> 11 12 int dev_read_u32(struct udevice *dev, const char *propname, u32 *outp) 13 { 14 return ofnode_read_u32(dev_ofnode(dev), propname, outp); 15 } 16 17 int dev_read_u32_default(struct udevice *dev, const char *propname, int def) 18 { 19 return ofnode_read_u32_default(dev_ofnode(dev), propname, def); 20 } 21 22 const char *dev_read_string(struct udevice *dev, const char *propname) 23 { 24 return ofnode_read_string(dev_ofnode(dev), propname); 25 } 26 27 bool dev_read_bool(struct udevice *dev, const char *propname) 28 { 29 return ofnode_read_bool(dev_ofnode(dev), propname); 30 } 31 32 ofnode dev_read_subnode(struct udevice *dev, const char *subnode_name) 33 { 34 return ofnode_find_subnode(dev_ofnode(dev), subnode_name); 35 } 36 37 ofnode dev_read_first_subnode(struct udevice *dev) 38 { 39 return ofnode_first_subnode(dev_ofnode(dev)); 40 } 41 42 ofnode dev_read_next_subnode(ofnode node) 43 { 44 return ofnode_next_subnode(node); 45 } 46 47 int dev_read_size(struct udevice *dev, const char *propname) 48 { 49 return ofnode_read_size(dev_ofnode(dev), propname); 50 } 51 52 fdt_addr_t dev_read_addr_index(struct udevice *dev, int index) 53 { 54 if (ofnode_is_np(dev_ofnode(dev))) 55 return ofnode_get_addr_index(dev_ofnode(dev), index); 56 else 57 return devfdt_get_addr_index(dev, index); 58 } 59 60 fdt_addr_t dev_read_addr(struct udevice *dev) 61 { 62 return dev_read_addr_index(dev, 0); 63 } 64 65 void *dev_read_addr_ptr(struct udevice *dev) 66 { 67 fdt_addr_t addr = dev_read_addr(dev); 68 69 return (addr == FDT_ADDR_T_NONE) ? NULL : map_sysmem(addr, 0); 70 } 71 72 fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property, 73 fdt_size_t *sizep) 74 { 75 return ofnode_get_addr_size(dev_ofnode(dev), property, sizep); 76 } 77 78 const char *dev_read_name(struct udevice *dev) 79 { 80 return ofnode_get_name(dev_ofnode(dev)); 81 } 82 83 int dev_read_stringlist_search(struct udevice *dev, const char *property, 84 const char *string) 85 { 86 return ofnode_stringlist_search(dev_ofnode(dev), property, string); 87 } 88 89 int dev_read_string_index(struct udevice *dev, const char *propname, int index, 90 const char **outp) 91 { 92 return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp); 93 } 94 95 int dev_read_string_count(struct udevice *dev, const char *propname) 96 { 97 return ofnode_read_string_count(dev_ofnode(dev), propname); 98 } 99 100 int dev_read_phandle_with_args(struct udevice *dev, const char *list_name, 101 const char *cells_name, int cell_count, 102 int index, struct ofnode_phandle_args *out_args) 103 { 104 return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name, 105 cells_name, cell_count, index, 106 out_args); 107 } 108 109 int dev_count_phandle_with_args(struct udevice *dev, const char *list_name, 110 const char *cells_name) 111 { 112 return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name, 113 cells_name); 114 } 115 116 int dev_read_addr_cells(struct udevice *dev) 117 { 118 return ofnode_read_addr_cells(dev_ofnode(dev)); 119 } 120 121 int dev_read_size_cells(struct udevice *dev) 122 { 123 return ofnode_read_size_cells(dev_ofnode(dev)); 124 } 125 126 int dev_read_simple_addr_cells(struct udevice *dev) 127 { 128 return ofnode_read_simple_addr_cells(dev_ofnode(dev)); 129 } 130 131 int dev_read_simple_size_cells(struct udevice *dev) 132 { 133 return ofnode_read_simple_size_cells(dev_ofnode(dev)); 134 } 135 136 int dev_read_phandle(struct udevice *dev) 137 { 138 ofnode node = dev_ofnode(dev); 139 140 if (ofnode_is_np(node)) 141 return ofnode_to_np(node)->phandle; 142 else 143 return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node)); 144 } 145 146 const void *dev_read_prop(struct udevice *dev, const char *propname, int *lenp) 147 { 148 return ofnode_get_property(dev_ofnode(dev), propname, lenp); 149 } 150 151 int dev_read_alias_seq(struct udevice *dev, int *devnump) 152 { 153 ofnode node = dev_ofnode(dev); 154 const char *uc_name = dev->uclass->uc_drv->name; 155 int ret; 156 157 if (ofnode_is_np(node)) { 158 ret = of_alias_get_id(ofnode_to_np(node), uc_name); 159 if (ret >= 0) 160 *devnump = ret; 161 } else { 162 ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name, 163 ofnode_to_offset(node), devnump); 164 } 165 166 return ret; 167 } 168 169 int dev_read_u32_array(struct udevice *dev, const char *propname, 170 u32 *out_values, size_t sz) 171 { 172 return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz); 173 } 174 175 const uint8_t *dev_read_u8_array_ptr(struct udevice *dev, const char *propname, 176 size_t sz) 177 { 178 return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz); 179 } 180 181 int dev_read_enabled(struct udevice *dev) 182 { 183 ofnode node = dev_ofnode(dev); 184 185 if (ofnode_is_np(node)) 186 return of_device_is_available(ofnode_to_np(node)); 187 else 188 return fdtdec_get_is_enabled(gd->fdt_blob, 189 ofnode_to_offset(node)); 190 } 191 192 int dev_read_resource(struct udevice *dev, uint index, struct resource *res) 193 { 194 return ofnode_read_resource(dev_ofnode(dev), index, res); 195 } 196 197 int dev_read_resource_byname(struct udevice *dev, const char *name, 198 struct resource *res) 199 { 200 return ofnode_read_resource_byname(dev_ofnode(dev), name, res); 201 } 202 203 u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr) 204 { 205 return ofnode_translate_address(dev_ofnode(dev), in_addr); 206 } 207