diff options
| -rw-r--r-- | drivers/core/ofnode.c | 91 | ||||
| -rw-r--r-- | include/dm/ofnode.h | 19 |
2 files changed, 69 insertions, 41 deletions
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index e4b4b352e4..48d4dec1cc 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -119,8 +119,8 @@ int ofnode_read_u32_index(ofnode node, const char *propname, int index, return of_read_u32_index(ofnode_to_np(node), propname, index, outp); - cell = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), propname, - &len); + cell = fdt_getprop(ofnode_to_fdt(node), ofnode_to_offset(node), + propname, &len); if (!cell) { debug("(not found)\n"); return -EINVAL; @@ -165,8 +165,8 @@ int ofnode_read_u64(ofnode node, const char *propname, u64 *outp) if (ofnode_is_np(node)) return of_read_u64(ofnode_to_np(node), propname, outp); - cell = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), propname, - &len); + cell = fdt_getprop(ofnode_to_fdt(node), ofnode_to_offset(node), + propname, &len); if (!cell || len < sizeof(*cell)) { debug("(not found)\n"); return -EINVAL; @@ -217,7 +217,7 @@ const void *ofnode_read_prop(ofnode node, const char *propname, int *sizep) len = prop->length; } } else { - val = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), + val = fdt_getprop(ofnode_to_fdt(node), ofnode_to_offset(node), propname, &len); } if (!val) { @@ -276,7 +276,7 @@ ofnode ofnode_find_subnode(ofnode node, const char *subnode_name) } subnode = np_to_ofnode(np); } else { - int ooffset = fdt_subnode_offset(gd->fdt_blob, + int ooffset = fdt_subnode_offset(ofnode_to_fdt(node), ofnode_to_offset(node), subnode_name); subnode = offset_to_ofnode(ooffset); } @@ -298,7 +298,7 @@ int ofnode_read_u32_array(ofnode node, const char *propname, } else { int ret; - ret = fdtdec_get_int_array(gd->fdt_blob, + ret = fdtdec_get_int_array(ofnode_to_fdt(node), ofnode_to_offset(node), propname, out_values, sz); @@ -319,7 +319,7 @@ bool ofnode_is_enabled(ofnode node) if (ofnode_is_np(node)) { return of_device_is_available(ofnode_to_np(node)); } else { - return fdtdec_get_is_enabled(gd->fdt_blob, + return fdtdec_get_is_enabled(ofnode_to_fdt(node), ofnode_to_offset(node)); } } @@ -331,7 +331,7 @@ ofnode ofnode_first_subnode(ofnode node) return np_to_ofnode(node.np->child); return offset_to_ofnode( - fdt_first_subnode(gd->fdt_blob, ofnode_to_offset(node))); + fdt_first_subnode(ofnode_to_fdt(node), ofnode_to_offset(node))); } ofnode ofnode_next_subnode(ofnode node) @@ -341,7 +341,7 @@ ofnode ofnode_next_subnode(ofnode node) return np_to_ofnode(node.np->sibling); return offset_to_ofnode( - fdt_next_subnode(gd->fdt_blob, ofnode_to_offset(node))); + fdt_next_subnode(ofnode_to_fdt(node), ofnode_to_offset(node))); } #endif /* !DM_INLINE_OFNODE */ @@ -353,7 +353,7 @@ ofnode ofnode_get_parent(ofnode node) if (ofnode_is_np(node)) parent = np_to_ofnode(of_get_parent(ofnode_to_np(node))); else - parent.of_offset = fdt_parent_offset(gd->fdt_blob, + parent.of_offset = fdt_parent_offset(ofnode_to_fdt(node), ofnode_to_offset(node)); return parent; @@ -369,7 +369,7 @@ const char *ofnode_get_name(ofnode node) if (ofnode_is_np(node)) return node.np->name; - return fdt_get_name(gd->fdt_blob, ofnode_to_offset(node), NULL); + return fdt_get_name(ofnode_to_fdt(node), ofnode_to_offset(node), NULL); } int ofnode_get_path(ofnode node, char *buf, int buflen) @@ -386,7 +386,7 @@ int ofnode_get_path(ofnode node, char *buf, int buflen) } else { int res; - res = fdt_get_path(gd->fdt_blob, ofnode_to_offset(node), buf, + res = fdt_get_path(ofnode_to_fdt(node), ofnode_to_offset(node), buf, buflen); if (!res) return res; @@ -442,7 +442,7 @@ static fdt_addr_t __ofnode_get_addr_size_index(ofnode node, int index, } else { na = ofnode_read_simple_addr_cells(ofnode_get_parent(node)); ns = ofnode_read_simple_size_cells(ofnode_get_parent(node)); - return fdtdec_get_addr_size_fixed(gd->fdt_blob, + return fdtdec_get_addr_size_fixed(ofnode_to_fdt(node), ofnode_to_offset(node), "reg", index, na, ns, size, translate); @@ -490,7 +490,7 @@ int ofnode_stringlist_search(ofnode node, const char *property, } else { int ret; - ret = fdt_stringlist_search(gd->fdt_blob, + ret = fdt_stringlist_search(ofnode_to_fdt(node), ofnode_to_offset(node), property, string); if (ret == -FDT_ERR_NOTFOUND) @@ -511,7 +511,8 @@ int ofnode_read_string_index(ofnode node, const char *property, int index, } else { int len; - *outp = fdt_stringlist_get(gd->fdt_blob, ofnode_to_offset(node), + *outp = fdt_stringlist_get(ofnode_to_fdt(node), + ofnode_to_offset(node), property, index, &len); if (len < 0) return -EINVAL; @@ -524,7 +525,7 @@ int ofnode_read_string_count(ofnode node, const char *property) if (ofnode_is_np(node)) { return of_property_count_strings(ofnode_to_np(node), property); } else { - return fdt_stringlist_count(gd->fdt_blob, + return fdt_stringlist_count(ofnode_to_fdt(node), ofnode_to_offset(node), property); } } @@ -593,7 +594,7 @@ int ofnode_parse_phandle_with_args(ofnode node, const char *list_name, struct fdtdec_phandle_args args; int ret; - ret = fdtdec_parse_phandle_with_args(gd->fdt_blob, + ret = fdtdec_parse_phandle_with_args(ofnode_to_fdt(node), ofnode_to_offset(node), list_name, cells_name, cell_count, index, &args); @@ -612,7 +613,7 @@ int ofnode_count_phandle_with_args(ofnode node, const char *list_name, return of_count_phandle_with_args(ofnode_to_np(node), list_name, cells_name, cell_count); else - return fdtdec_parse_phandle_with_args(gd->fdt_blob, + return fdtdec_parse_phandle_with_args(ofnode_to_fdt(node), ofnode_to_offset(node), list_name, cells_name, cell_count, -1, NULL); } @@ -787,7 +788,7 @@ const void *ofnode_get_property(ofnode node, const char *propname, int *lenp) if (ofnode_is_np(node)) return of_get_property(ofnode_to_np(node), propname, lenp); else - return fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), + return fdt_getprop(ofnode_to_fdt(node), ofnode_to_offset(node), propname, lenp); } @@ -801,7 +802,7 @@ int ofnode_first_property(ofnode node, struct ofprop *prop) return -FDT_ERR_NOTFOUND; } else { prop->offset = - fdt_first_property_offset(gd->fdt_blob, + fdt_first_property_offset(ofnode_to_fdt(node), ofnode_to_offset(prop->node)); if (prop->offset < 0) return prop->offset; @@ -818,8 +819,9 @@ int ofnode_next_property(struct ofprop *prop) if (!prop->prop) return -FDT_ERR_NOTFOUND; } else { - prop->offset = fdt_next_property_offset(gd->fdt_blob, - prop->offset); + prop->offset = + fdt_next_property_offset(ofnode_to_fdt(prop->node), + prop->offset); if (prop->offset < 0) return prop->offset; } @@ -834,7 +836,7 @@ const void *ofprop_get_property(const struct ofprop *prop, return of_get_property_by_prop(ofnode_to_np(prop->node), prop->prop, propname, lenp); else - return fdt_getprop_by_offset(gd->fdt_blob, + return fdt_getprop_by_offset(ofnode_to_fdt(prop->node), prop->offset, propname, lenp); } @@ -859,7 +861,7 @@ fdt_addr_t ofnode_get_addr_size(ofnode node, const char *property, else return of_read_number(prop, na); } else { - return fdtdec_get_addr_size(gd->fdt_blob, + return fdtdec_get_addr_size(ofnode_to_fdt(node), ofnode_to_offset(node), property, sizep); } @@ -878,7 +880,7 @@ const uint8_t *ofnode_read_u8_array_ptr(ofnode node, const char *propname, return (uint8_t *)prop; } else { - return fdtdec_locate_byte_array(gd->fdt_blob, + return fdtdec_locate_byte_array(ofnode_to_fdt(node), ofnode_to_offset(node), propname, sz); } } @@ -1014,10 +1016,10 @@ int ofnode_read_addr_cells(ofnode node) if (ofnode_is_np(node)) { return of_n_addr_cells(ofnode_to_np(node)); } else { - int parent = fdt_parent_offset(gd->fdt_blob, + int parent = fdt_parent_offset(ofnode_to_fdt(node), ofnode_to_offset(node)); - return fdt_address_cells(gd->fdt_blob, parent); + return fdt_address_cells(ofnode_to_fdt(node), parent); } } @@ -1026,10 +1028,10 @@ int ofnode_read_size_cells(ofnode node) if (ofnode_is_np(node)) { return of_n_size_cells(ofnode_to_np(node)); } else { - int parent = fdt_parent_offset(gd->fdt_blob, + int parent = fdt_parent_offset(ofnode_to_fdt(node), ofnode_to_offset(node)); - return fdt_size_cells(gd->fdt_blob, parent); + return fdt_size_cells(ofnode_to_fdt(node), parent); } } @@ -1038,7 +1040,8 @@ int ofnode_read_simple_addr_cells(ofnode node) if (ofnode_is_np(node)) return of_simple_addr_cells(ofnode_to_np(node)); else - return fdt_address_cells(gd->fdt_blob, ofnode_to_offset(node)); + return fdt_address_cells(ofnode_to_fdt(node), + ofnode_to_offset(node)); } int ofnode_read_simple_size_cells(ofnode node) @@ -1046,7 +1049,8 @@ int ofnode_read_simple_size_cells(ofnode node) if (ofnode_is_np(node)) return of_simple_size_cells(ofnode_to_np(node)); else - return fdt_size_cells(gd->fdt_blob, ofnode_to_offset(node)); + return fdt_size_cells(ofnode_to_fdt(node), + ofnode_to_offset(node)); } bool ofnode_pre_reloc(ofnode node) @@ -1083,7 +1087,8 @@ int ofnode_read_resource(ofnode node, uint index, struct resource *res) struct fdt_resource fres; int ret; - ret = fdt_get_resource(gd->fdt_blob, ofnode_to_offset(node), + ret = fdt_get_resource(ofnode_to_fdt(node), + ofnode_to_offset(node), "reg", index, &fres); if (ret < 0) return -EINVAL; @@ -1112,7 +1117,8 @@ u64 ofnode_translate_address(ofnode node, const fdt32_t *in_addr) if (ofnode_is_np(node)) return of_translate_address(ofnode_to_np(node), in_addr); else - return fdt_translate_address(gd->fdt_blob, ofnode_to_offset(node), in_addr); + return fdt_translate_address(ofnode_to_fdt(node), + ofnode_to_offset(node), in_addr); } u64 ofnode_translate_dma_address(ofnode node, const fdt32_t *in_addr) @@ -1120,7 +1126,8 @@ u64 ofnode_translate_dma_address(ofnode node, const fdt32_t *in_addr) if (ofnode_is_np(node)) return of_translate_dma_address(ofnode_to_np(node), in_addr); else - return fdt_translate_dma_address(gd->fdt_blob, ofnode_to_offset(node), in_addr); + return fdt_translate_dma_address(ofnode_to_fdt(node), + ofnode_to_offset(node), in_addr); } int ofnode_get_dma_range(ofnode node, phys_addr_t *cpu, dma_addr_t *bus, u64 *size) @@ -1128,7 +1135,8 @@ int ofnode_get_dma_range(ofnode node, phys_addr_t *cpu, dma_addr_t *bus, u64 *si if (ofnode_is_np(node)) return of_get_dma_range(ofnode_to_np(node), cpu, bus, size); else - return fdt_get_dma_range(gd->fdt_blob, ofnode_to_offset(node), + return fdt_get_dma_range(ofnode_to_fdt(node), + ofnode_to_offset(node), cpu, bus, size); } @@ -1138,7 +1146,7 @@ int ofnode_device_is_compatible(ofnode node, const char *compat) return of_device_is_compatible(ofnode_to_np(node), compat, NULL, NULL); else - return !fdt_node_check_compatible(gd->fdt_blob, + return !fdt_node_check_compatible(ofnode_to_fdt(node), ofnode_to_offset(node), compat); } @@ -1151,7 +1159,8 @@ ofnode ofnode_by_compatible(ofnode from, const char *compat) compat)); } else { return offset_to_ofnode(fdt_node_offset_by_compatible( - gd->fdt_blob, ofnode_to_offset(from), compat)); + ofnode_to_fdt(from), + ofnode_to_offset(from), compat)); } } @@ -1164,7 +1173,7 @@ ofnode ofnode_by_prop_value(ofnode from, const char *propname, propval, proplen)); } else { return offset_to_ofnode(fdt_node_offset_by_prop_value( - gd->fdt_blob, ofnode_to_offset(from), + ofnode_to_fdt(from), ofnode_to_offset(from), propname, propval, proplen)); } } @@ -1175,7 +1184,7 @@ int ofnode_write_prop(ofnode node, const char *propname, const void *value, if (of_live_active()) return of_write_prop(ofnode_to_np(node), propname, len, value); else - return fdt_setprop((void *)gd->fdt_blob, ofnode_to_offset(node), + return fdt_setprop(ofnode_to_fdt(node), ofnode_to_offset(node), propname, value, len); return 0; @@ -1308,7 +1317,7 @@ int ofnode_add_subnode(ofnode node, const char *name, ofnode *subnodep) return ret; subnode = np_to_ofnode(child); } else { - void *fdt = (void *)gd->fdt_blob; + void *fdt = ofnode_to_fdt(node); int poffset = ofnode_to_offset(node); int offset; diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 7e9d3be96a..f68896711e 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -36,6 +36,25 @@ struct ofnode_phandle_args { static inline void oftree_reset(void) {} /** + * ofnode_to_fdt() - convert an ofnode to a flat DT pointer + * + * This cannot be called if the reference contains a node pointer. + * + * @node: Reference containing offset (possibly invalid) + * Return: DT offset (can be NULL) + */ +static inline void *ofnode_to_fdt(ofnode node) +{ +#ifdef OF_CHECKS + if (of_live_active()) + return NULL; +#endif + + /* Use the control FDT by default */ + return (void *)gd->fdt_blob; +} + +/** * ofnode_to_np() - convert an ofnode to a live DT node pointer * * This cannot be called if the reference contains an offset. |