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