| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 2017 Google, Inc |
| * Written by Simon Glass <sjg@chromium.org> |
| */ |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <dm/of_access.h> |
| #include <mapmem.h> |
| #include <asm/global_data.h> |
| #include <asm/types.h> |
| #include <asm/io.h> |
| #include <linux/ioport.h> |
| |
| int dev_read_u8(const struct udevice *dev, const char *propname, u8 *outp) |
| { |
| return ofnode_read_u8(dev_ofnode(dev), propname, outp); |
| } |
| |
| u8 dev_read_u8_default(const struct udevice *dev, const char *propname, u8 def) |
| { |
| return ofnode_read_u8_default(dev_ofnode(dev), propname, def); |
| } |
| |
| int dev_read_u16(const struct udevice *dev, const char *propname, u16 *outp) |
| { |
| return ofnode_read_u16(dev_ofnode(dev), propname, outp); |
| } |
| |
| u16 dev_read_u16_default(const struct udevice *dev, const char *propname, |
| u16 def) |
| { |
| return ofnode_read_u16_default(dev_ofnode(dev), propname, def); |
| } |
| |
| 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); |
| } |
| |
| void *dev_read_addr_index_ptr(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_sysmem(addr, 0); |
| } |
| |
| 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); |
| |
| if (addr == FDT_ADDR_T_NONE) |
| return NULL; |
| |
| return map_sysmem(addr, 0); |
| } |
| |
| 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, fdt_size_t *sizep) |
| { |
| return dev_read_addr_size_index(dev, 0, 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_string_list(const struct udevice *dev, const char *propname, |
| const char ***listp) |
| { |
| return ofnode_read_string_list(dev_ofnode(dev), propname, listp); |
| } |
| |
| 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, |
| int cell_count) |
| { |
| return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name, |
| cells_name, cell_count); |
| } |
| |
| 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_first_property(dev_ofnode(dev), prop); |
| } |
| |
| int dev_read_next_prop(struct ofprop *prop) |
| { |
| return ofnode_next_property(prop); |
| } |
| |
| const void *dev_read_prop_by_prop(struct ofprop *prop, |
| const char **propname, int *lenp) |
| { |
| return ofprop_get_property(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; |
| ret = 0; |
| } |
| } 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_get_dma_range(const struct udevice *dev, phys_addr_t *cpu, |
| dma_addr_t *bus, u64 *size) |
| { |
| return ofnode_get_dma_range(dev_ofnode(dev), cpu, bus, size); |
| } |
| |
| 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; |
| } |
| |
| int dev_decode_display_timing(const struct udevice *dev, int index, |
| struct display_timing *config) |
| { |
| return ofnode_decode_display_timing(dev_ofnode(dev), index, config); |
| } |
| |
| int dev_decode_panel_timing(const struct udevice *dev, |
| struct display_timing *config) |
| { |
| return ofnode_decode_panel_timing(dev_ofnode(dev), config); |
| } |
| |
| ofnode dev_get_phy_node(const struct udevice *dev) |
| { |
| return ofnode_get_phy_node(dev_ofnode(dev)); |
| } |
| |
| phy_interface_t dev_read_phy_mode(const struct udevice *dev) |
| { |
| return ofnode_read_phy_mode(dev_ofnode(dev)); |
| } |