blob: 49066b59cdaf461dda00d8b412dfcc526d319a13 [file] [log] [blame]
// 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_read_addr_size_index_ptr(const struct udevice *dev, int index,
fdt_size_t *size)
{
fdt_addr_t addr = dev_read_addr_size_index(dev, index, size);
if (addr == FDT_ADDR_T_NONE)
return NULL;
return map_sysmem(addr, 0);
}
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));
}