1 files changed, 394 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/core/read.c b/roms/u-boot/drivers/core/read.c
new file mode 100644
index 000000000..4307ca457
--- /dev/null
+++ b/roms/u-boot/drivers/core/read.c
@@ -0,0 +1,394 @@
+// 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_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,
+				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_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;
+			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);
+}