1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2017 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
12 #include <dm/of_access.h>
14 int dev_read_u32(const struct udevice *dev, const char *propname, u32 *outp)
16 return ofnode_read_u32(dev_ofnode(dev), propname, outp);
19 int dev_read_u32_default(const struct udevice *dev, const char *propname,
22 return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
25 int dev_read_s32(const struct udevice *dev, const char *propname, s32 *outp)
27 return ofnode_read_u32(dev_ofnode(dev), propname, (u32 *)outp);
30 int dev_read_s32_default(const struct udevice *dev, const char *propname,
33 return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
36 int dev_read_u32u(const struct udevice *dev, const char *propname, uint *outp)
41 ret = ofnode_read_u32(dev_ofnode(dev), propname, &val);
49 int dev_read_u64(const struct udevice *dev, const char *propname, u64 *outp)
51 return ofnode_read_u64(dev_ofnode(dev), propname, outp);
54 u64 dev_read_u64_default(const struct udevice *dev, const char *propname,
57 return ofnode_read_u64_default(dev_ofnode(dev), propname, def);
60 const char *dev_read_string(const struct udevice *dev, const char *propname)
62 return ofnode_read_string(dev_ofnode(dev), propname);
65 bool dev_read_bool(const struct udevice *dev, const char *propname)
67 return ofnode_read_bool(dev_ofnode(dev), propname);
70 ofnode dev_read_subnode(const struct udevice *dev, const char *subnode_name)
72 return ofnode_find_subnode(dev_ofnode(dev), subnode_name);
75 ofnode dev_read_first_subnode(const struct udevice *dev)
77 return ofnode_first_subnode(dev_ofnode(dev));
80 ofnode dev_read_next_subnode(ofnode node)
82 return ofnode_next_subnode(node);
85 int dev_read_size(const struct udevice *dev, const char *propname)
87 return ofnode_read_size(dev_ofnode(dev), propname);
90 fdt_addr_t dev_read_addr_index(const struct udevice *dev, int index)
92 if (ofnode_is_np(dev_ofnode(dev)))
93 return ofnode_get_addr_index(dev_ofnode(dev), index);
95 return devfdt_get_addr_index(dev, index);
98 fdt_addr_t dev_read_addr_size_index(const struct udevice *dev, int index,
101 if (ofnode_is_np(dev_ofnode(dev)))
102 return ofnode_get_addr_size_index(dev_ofnode(dev), index, size);
104 return devfdt_get_addr_size_index(dev, index, size);
107 void *dev_remap_addr_index(const struct udevice *dev, int index)
109 fdt_addr_t addr = dev_read_addr_index(dev, index);
111 if (addr == FDT_ADDR_T_NONE)
114 return map_physmem(addr, 0, MAP_NOCACHE);
117 fdt_addr_t dev_read_addr_name(const struct udevice *dev, const char *name)
119 int index = dev_read_stringlist_search(dev, "reg-names", name);
122 return FDT_ADDR_T_NONE;
124 return dev_read_addr_index(dev, index);
127 fdt_addr_t dev_read_addr_size_name(const struct udevice *dev, const char *name,
130 int index = dev_read_stringlist_search(dev, "reg-names", name);
133 return FDT_ADDR_T_NONE;
135 return dev_read_addr_size_index(dev, index, size);
138 void *dev_remap_addr_name(const struct udevice *dev, const char *name)
140 fdt_addr_t addr = dev_read_addr_name(dev, name);
142 if (addr == FDT_ADDR_T_NONE)
145 return map_physmem(addr, 0, MAP_NOCACHE);
148 fdt_addr_t dev_read_addr(const struct udevice *dev)
150 return dev_read_addr_index(dev, 0);
153 void *dev_read_addr_ptr(const struct udevice *dev)
155 fdt_addr_t addr = dev_read_addr(dev);
157 return (addr == FDT_ADDR_T_NONE) ? NULL : map_sysmem(addr, 0);
160 void *dev_remap_addr(const struct udevice *dev)
162 return dev_remap_addr_index(dev, 0);
165 fdt_addr_t dev_read_addr_size(const struct udevice *dev, const char *property,
168 return ofnode_get_addr_size(dev_ofnode(dev), property, sizep);
171 const char *dev_read_name(const struct udevice *dev)
173 return ofnode_get_name(dev_ofnode(dev));
176 int dev_read_stringlist_search(const struct udevice *dev, const char *property,
179 return ofnode_stringlist_search(dev_ofnode(dev), property, string);
182 int dev_read_string_index(const struct udevice *dev, const char *propname,
183 int index, const char **outp)
185 return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp);
188 int dev_read_string_count(const struct udevice *dev, const char *propname)
190 return ofnode_read_string_count(dev_ofnode(dev), propname);
193 int dev_read_phandle_with_args(const struct udevice *dev, const char *list_name,
194 const char *cells_name, int cell_count,
195 int index, struct ofnode_phandle_args *out_args)
197 return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name,
198 cells_name, cell_count, index,
202 int dev_count_phandle_with_args(const struct udevice *dev,
203 const char *list_name, const char *cells_name)
205 return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name,
209 int dev_read_addr_cells(const struct udevice *dev)
211 return ofnode_read_addr_cells(dev_ofnode(dev));
214 int dev_read_size_cells(const struct udevice *dev)
216 return ofnode_read_size_cells(dev_ofnode(dev));
219 int dev_read_simple_addr_cells(const struct udevice *dev)
221 return ofnode_read_simple_addr_cells(dev_ofnode(dev));
224 int dev_read_simple_size_cells(const struct udevice *dev)
226 return ofnode_read_simple_size_cells(dev_ofnode(dev));
229 int dev_read_phandle(const struct udevice *dev)
231 ofnode node = dev_ofnode(dev);
233 if (ofnode_is_np(node))
234 return ofnode_to_np(node)->phandle;
236 return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node));
239 const void *dev_read_prop(const struct udevice *dev, const char *propname,
242 return ofnode_get_property(dev_ofnode(dev), propname, lenp);
245 int dev_read_alias_seq(const struct udevice *dev, int *devnump)
247 ofnode node = dev_ofnode(dev);
248 const char *uc_name = dev->uclass->uc_drv->name;
251 if (ofnode_is_np(node)) {
252 ret = of_alias_get_id(ofnode_to_np(node), uc_name);
256 ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name,
257 ofnode_to_offset(node), devnump);
263 int dev_read_u32_array(const struct udevice *dev, const char *propname,
264 u32 *out_values, size_t sz)
266 return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz);
269 const uint8_t *dev_read_u8_array_ptr(const struct udevice *dev,
270 const char *propname, size_t sz)
272 return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz);
275 int dev_read_enabled(const struct udevice *dev)
277 ofnode node = dev_ofnode(dev);
279 if (ofnode_is_np(node))
280 return of_device_is_available(ofnode_to_np(node));
282 return fdtdec_get_is_enabled(gd->fdt_blob,
283 ofnode_to_offset(node));
286 int dev_read_resource(const struct udevice *dev, uint index,
287 struct resource *res)
289 return ofnode_read_resource(dev_ofnode(dev), index, res);
292 int dev_read_resource_byname(const struct udevice *dev, const char *name,
293 struct resource *res)
295 return ofnode_read_resource_byname(dev_ofnode(dev), name, res);
298 u64 dev_translate_address(const struct udevice *dev, const fdt32_t *in_addr)
300 return ofnode_translate_address(dev_ofnode(dev), in_addr);
303 u64 dev_translate_dma_address(const struct udevice *dev, const fdt32_t *in_addr)
305 return ofnode_translate_dma_address(dev_ofnode(dev), in_addr);
308 int dev_read_alias_highest_id(const char *stem)
310 if (of_live_active())
311 return of_alias_get_highest_id(stem);
313 return fdtdec_get_alias_highest_id(gd->fdt_blob, stem);
316 fdt_addr_t dev_read_addr_pci(const struct udevice *dev)
320 addr = dev_read_addr(dev);
321 if (addr == FDT_ADDR_T_NONE && !of_live_active())
322 addr = devfdt_get_addr_pci(dev);