// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2017 Google, Inc * Written by Simon Glass */ #include #include #include #include #include #include #include int dev_read_u32(const struct udevice *dev, const char *propname, u32 *outp) { return ofnode_read_u32(dev_ofnode(dev), propname, outp); } int dev_read_u32_default(const struct udevice *dev, const char *propname, int def) { return ofnode_read_u32_default(dev_ofnode(dev), propname, def); } int dev_read_u32_index(struct udevice *dev, const char *propname, int index, u32 *outp) { return ofnode_read_u32_index(dev_ofnode(dev), propname, index, outp); } u32 dev_read_u32_index_default(struct udevice *dev, const char *propname, int index, u32 def) { return ofnode_read_u32_index_default(dev_ofnode(dev), propname, index, def); } int dev_read_s32(const struct udevice *dev, const char *propname, s32 *outp) { return ofnode_read_u32(dev_ofnode(dev), propname, (u32 *)outp); } int dev_read_s32_default(const struct udevice *dev, const char *propname, int def) { return ofnode_read_u32_default(dev_ofnode(dev), propname, def); } int dev_read_u32u(const struct udevice *dev, const char *propname, uint *outp) { u32 val; int ret; ret = ofnode_read_u32(dev_ofnode(dev), propname, &val); if (ret) return ret; *outp = val; return 0; } int dev_read_u64(const struct udevice *dev, const char *propname, u64 *outp) { return ofnode_read_u64(dev_ofnode(dev), propname, outp); } u64 dev_read_u64_default(const struct udevice *dev, const char *propname, u64 def) { return ofnode_read_u64_default(dev_ofnode(dev), propname, def); } const char *dev_read_string(const struct udevice *dev, const char *propname) { return ofnode_read_string(dev_ofnode(dev), propname); } bool dev_read_bool(const struct udevice *dev, const char *propname) { return ofnode_read_bool(dev_ofnode(dev), propname); } ofnode dev_read_subnode(const struct udevice *dev, const char *subnode_name) { return ofnode_find_subnode(dev_ofnode(dev), subnode_name); } ofnode dev_read_first_subnode(const struct udevice *dev) { return ofnode_first_subnode(dev_ofnode(dev)); } ofnode dev_read_next_subnode(ofnode node) { return ofnode_next_subnode(node); } int dev_read_size(const struct udevice *dev, const char *propname) { return ofnode_read_size(dev_ofnode(dev), propname); } fdt_addr_t dev_read_addr_index(const struct udevice *dev, int index) { if (ofnode_is_np(dev_ofnode(dev))) return ofnode_get_addr_index(dev_ofnode(dev), index); else return devfdt_get_addr_index(dev, index); } fdt_addr_t dev_read_addr_size_index(const struct udevice *dev, int index, fdt_size_t *size) { if (ofnode_is_np(dev_ofnode(dev))) return ofnode_get_addr_size_index(dev_ofnode(dev), index, size); else return devfdt_get_addr_size_index(dev, index, size); } void *dev_remap_addr_index(const struct udevice *dev, int index) { fdt_addr_t addr = dev_read_addr_index(dev, index); if (addr == FDT_ADDR_T_NONE) return NULL; return map_physmem(addr, 0, MAP_NOCACHE); } fdt_addr_t dev_read_addr_name(const struct udevice *dev, const char *name) { int index = dev_read_stringlist_search(dev, "reg-names", name); if (index < 0) return FDT_ADDR_T_NONE; else return dev_read_addr_index(dev, index); } fdt_addr_t dev_read_addr_size_name(const struct udevice *dev, const char *name, fdt_size_t *size) { int index = dev_read_stringlist_search(dev, "reg-names", name); if (index < 0) return FDT_ADDR_T_NONE; else return dev_read_addr_size_index(dev, index, size); } void *dev_remap_addr_name(const struct udevice *dev, const char *name) { fdt_addr_t addr = dev_read_addr_name(dev, name); if (addr == FDT_ADDR_T_NONE) return NULL; return map_physmem(addr, 0, MAP_NOCACHE); } fdt_addr_t dev_read_addr(const struct udevice *dev) { return dev_read_addr_index(dev, 0); } void *dev_read_addr_ptr(const struct udevice *dev) { fdt_addr_t addr = dev_read_addr(dev); return (addr == FDT_ADDR_T_NONE) ? NULL : (void *)(uintptr_t)addr; } void *dev_remap_addr(const struct udevice *dev) { return dev_remap_addr_index(dev, 0); } fdt_addr_t dev_read_addr_size(const struct udevice *dev, const char *property, fdt_size_t *sizep) { return ofnode_get_addr_size(dev_ofnode(dev), property, sizep); } const char *dev_read_name(const struct udevice *dev) { return ofnode_get_name(dev_ofnode(dev)); } int dev_read_stringlist_search(const struct udevice *dev, const char *property, const char *string) { return ofnode_stringlist_search(dev_ofnode(dev), property, string); } int dev_read_string_index(const struct udevice *dev, const char *propname, int index, const char **outp) { return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp); } int dev_read_string_count(const struct udevice *dev, const char *propname) { return ofnode_read_string_count(dev_ofnode(dev), propname); } int dev_read_phandle_with_args(const struct udevice *dev, const char *list_name, const char *cells_name, int cell_count, int index, struct ofnode_phandle_args *out_args) { return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name, cells_name, cell_count, index, out_args); } int dev_count_phandle_with_args(const struct udevice *dev, const char *list_name, const char *cells_name) { return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name, cells_name); } int dev_read_addr_cells(const struct udevice *dev) { return ofnode_read_addr_cells(dev_ofnode(dev)); } int dev_read_size_cells(const struct udevice *dev) { return ofnode_read_size_cells(dev_ofnode(dev)); } int dev_read_simple_addr_cells(const struct udevice *dev) { return ofnode_read_simple_addr_cells(dev_ofnode(dev)); } int dev_read_simple_size_cells(const struct udevice *dev) { return ofnode_read_simple_size_cells(dev_ofnode(dev)); } int dev_read_phandle(const struct udevice *dev) { ofnode node = dev_ofnode(dev); if (ofnode_is_np(node)) return ofnode_to_np(node)->phandle; else return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node)); } const void *dev_read_prop(const struct udevice *dev, const char *propname, int *lenp) { return ofnode_get_property(dev_ofnode(dev), propname, lenp); } int dev_read_first_prop(const struct udevice *dev, struct ofprop *prop) { return ofnode_get_first_property(dev_ofnode(dev), prop); } int dev_read_next_prop(struct ofprop *prop) { return ofnode_get_next_property(prop); } const void *dev_read_prop_by_prop(struct ofprop *prop, const char **propname, int *lenp) { return ofnode_get_property_by_prop(prop, propname, lenp); } int dev_read_alias_seq(const struct udevice *dev, int *devnump) { ofnode node = dev_ofnode(dev); const char *uc_name = dev->uclass->uc_drv->name; int ret = -ENOTSUPP; if (ofnode_is_np(node)) { ret = of_alias_get_id(ofnode_to_np(node), uc_name); if (ret >= 0) *devnump = ret; } else { #if CONFIG_IS_ENABLED(OF_CONTROL) ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name, ofnode_to_offset(node), devnump); #endif } return ret; } int dev_read_u32_array(const struct udevice *dev, const char *propname, u32 *out_values, size_t sz) { return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz); } const uint8_t *dev_read_u8_array_ptr(const struct udevice *dev, const char *propname, size_t sz) { return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz); } int dev_read_enabled(const struct udevice *dev) { ofnode node = dev_ofnode(dev); if (ofnode_is_np(node)) return of_device_is_available(ofnode_to_np(node)); else return fdtdec_get_is_enabled(gd->fdt_blob, ofnode_to_offset(node)); } int dev_read_resource(const struct udevice *dev, uint index, struct resource *res) { return ofnode_read_resource(dev_ofnode(dev), index, res); } int dev_read_resource_byname(const struct udevice *dev, const char *name, struct resource *res) { return ofnode_read_resource_byname(dev_ofnode(dev), name, res); } u64 dev_translate_address(const struct udevice *dev, const fdt32_t *in_addr) { return ofnode_translate_address(dev_ofnode(dev), in_addr); } u64 dev_translate_dma_address(const struct udevice *dev, const fdt32_t *in_addr) { return ofnode_translate_dma_address(dev_ofnode(dev), in_addr); } int dev_read_alias_highest_id(const char *stem) { if (of_live_active()) return of_alias_get_highest_id(stem); return fdtdec_get_alias_highest_id(gd->fdt_blob, stem); } fdt_addr_t dev_read_addr_pci(const struct udevice *dev) { ulong addr; addr = dev_read_addr(dev); if (addr == FDT_ADDR_T_NONE && !of_live_active()) addr = devfdt_get_addr_pci(dev); return addr; } int dev_get_child_count(const struct udevice *dev) { return ofnode_get_child_count(dev_ofnode(dev)); } int dev_read_pci_bus_range(const struct udevice *dev, struct resource *res) { const u32 *values; int len; values = dev_read_prop(dev, "bus-range", &len); if (!values || len < sizeof(*values) * 2) return -EINVAL; res->start = *values++; res->end = *values; return 0; }