#ifndef _DM_READ_H
#define _DM_READ_H
+#include <linux/errno.h>
+
+#include <dm/device.h>
#include <dm/fdtaddr.h>
#include <dm/ofnode.h>
#include <dm/uclass.h>
struct resource;
#if CONFIG_IS_ENABLED(OF_LIVE)
-static inline const struct device_node *dev_np(struct udevice *dev)
+static inline const struct device_node *dev_np(const struct udevice *dev)
{
return ofnode_to_np(dev->node);
}
#else
-static inline const struct device_node *dev_np(struct udevice *dev)
+static inline const struct device_node *dev_np(const struct udevice *dev)
{
return NULL;
}
* @dev: device to check
* @return reference of the the device's DT node
*/
-static inline ofnode dev_ofnode(struct udevice *dev)
+static inline ofnode dev_ofnode(const struct udevice *dev)
{
return dev->node;
}
-static inline bool dev_of_valid(struct udevice *dev)
+static inline bool dev_of_valid(const struct udevice *dev)
{
return ofnode_valid(dev_ofnode(dev));
}
#ifndef CONFIG_DM_DEV_READ_INLINE
+
/**
* dev_read_u32() - read a 32-bit integer from a device's DT property
*
* @outp: place to put value (if found)
* @return 0 if OK, -ve on error
*/
-int dev_read_u32(struct udevice *dev, const char *propname, u32 *outp);
+int dev_read_u32(const struct udevice *dev, const char *propname, u32 *outp);
/**
* dev_read_u32_default() - read a 32-bit integer from a device's DT property
* @def: default value to return if the property has no value
* @return property value, or @def if not found
*/
-int dev_read_u32_default(struct udevice *dev, const char *propname, int def);
+int dev_read_u32_default(const struct udevice *dev, const char *propname,
+ int def);
+
+/**
+ * dev_read_u32_index() - read an indexed 32-bit integer from a device's DT
+ * property
+ *
+ * @dev: device to read DT property from
+ * @propname: name of the property to read from
+ * @index: index of the integer to return
+ * @outp: place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_u32_index(struct udevice *dev, const char *propname, int index,
+ u32 *outp);
+
+/**
+ * dev_read_u32_index_default() - read an indexed 32-bit integer from a device's
+ * DT property
+ *
+ * @dev: device to read DT property from
+ * @propname: name of the property to read from
+ * @index: index of the integer to return
+ * @def: default value to return if the property has no value
+ * @return property value, or @def if not found
+ */
+u32 dev_read_u32_index_default(struct udevice *dev, const char *propname,
+ int index, u32 def);
+
+/**
+ * dev_read_s32() - read a signed 32-bit integer from a device's DT property
+ *
+ * @dev: device to read DT property from
+ * @propname: name of the property to read from
+ * @outp: place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_s32(const struct udevice *dev, const char *propname, s32 *outp);
+
+/**
+ * dev_read_s32_default() - read a signed 32-bit int from a device's DT property
+ *
+ * @dev: device to read DT property from
+ * @propname: name of the property to read from
+ * @def: default value to return if the property has no value
+ * @return property value, or @def if not found
+ */
+int dev_read_s32_default(const struct udevice *dev, const char *propname,
+ int def);
+
+/**
+ * dev_read_u32u() - read a 32-bit integer from a device's DT property
+ *
+ * This version uses a standard uint type.
+ *
+ * @dev: device to read DT property from
+ * @propname: name of the property to read from
+ * @outp: place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_u32u(const struct udevice *dev, const char *propname, uint *outp);
+
+/**
+ * dev_read_u64() - read a 64-bit integer from a device's DT property
+ *
+ * @dev: device to read DT property from
+ * @propname: name of the property to read from
+ * @outp: place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_u64(const struct udevice *dev, const char *propname, u64 *outp);
+
+/**
+ * dev_read_u64_default() - read a 64-bit integer from a device's DT property
+ *
+ * @dev: device to read DT property from
+ * @propname: name of the property to read from
+ * @def: default value to return if the property has no value
+ * @return property value, or @def if not found
+ */
+u64 dev_read_u64_default(const struct udevice *dev, const char *propname,
+ u64 def);
/**
* dev_read_string() - Read a string from a device's DT property
* @propname: name of the property to read
* @return string from property value, or NULL if there is no such property
*/
-const char *dev_read_string(struct udevice *dev, const char *propname);
+const char *dev_read_string(const struct udevice *dev, const char *propname);
/**
* dev_read_bool() - read a boolean value from a device's DT property
* @propname: name of property to read
* @return true if property is present (meaning true), false if not present
*/
-bool dev_read_bool(struct udevice *dev, const char *propname);
+bool dev_read_bool(const struct udevice *dev, const char *propname);
/**
* dev_read_subnode() - find a named subnode of a device
* @return reference to subnode (which can be invalid if there is no such
* subnode)
*/
-ofnode dev_read_subnode(struct udevice *dev, const char *subbnode_name);
+ofnode dev_read_subnode(const struct udevice *dev, const char *subbnode_name);
/**
* dev_read_size() - read the size of a property
* @propname: property to check
* @return size of property if present, or -EINVAL if not
*/
-int dev_read_size(struct udevice *dev, const char *propname);
+int dev_read_size(const struct udevice *dev, const char *propname);
/**
* dev_read_addr_index() - Get the indexed reg property of a device
*
* @return address or FDT_ADDR_T_NONE if not found
*/
-fdt_addr_t dev_read_addr_index(struct udevice *dev, int index);
+fdt_addr_t dev_read_addr_index(const struct udevice *dev, int index);
+
+/**
+ * dev_read_addr_size_index() - Get the indexed reg property of a device
+ *
+ * @dev: Device to read from
+ * @index: the 'reg' property can hold a list of <addr, size> pairs
+ * and @index is used to select which one is required
+ * @size: place to put size value (on success)
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_size_index(const struct udevice *dev, int index,
+ fdt_size_t *size);
/**
* dev_remap_addr_index() - Get the indexed reg property of a device
*
* @return pointer or NULL if not found
*/
-void *dev_remap_addr_index(struct udevice *dev, int index);
+void *dev_remap_addr_index(const struct udevice *dev, int index);
/**
* dev_read_addr_name() - Get the reg property of a device, indexed by name
*
* @return address or FDT_ADDR_T_NONE if not found
*/
-fdt_addr_t dev_read_addr_name(struct udevice *dev, const char* name);
+fdt_addr_t dev_read_addr_name(const struct udevice *dev, const char *name);
+
+/**
+ * dev_read_addr_size_name() - Get the reg property of a device, indexed by name
+ *
+ * @dev: Device to read from
+ * @name: the 'reg' property can hold a list of <addr, size> pairs, with the
+ * 'reg-names' property providing named-based identification. @index
+ * indicates the value to search for in 'reg-names'.
+ * @size: place to put size value (on success)
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_size_name(const struct udevice *dev, const char *name,
+ fdt_size_t *size);
/**
* dev_remap_addr_name() - Get the reg property of a device, indexed by name,
*
* @return pointer or NULL if not found
*/
-void *dev_remap_addr_name(struct udevice *dev, const char* name);
+void *dev_remap_addr_name(const struct udevice *dev, const char *name);
/**
* dev_read_addr() - Get the reg property of a device
*
* @return address or FDT_ADDR_T_NONE if not found
*/
-fdt_addr_t dev_read_addr(struct udevice *dev);
+fdt_addr_t dev_read_addr(const struct udevice *dev);
/**
* dev_read_addr_ptr() - Get the reg property of a device
*
* @return pointer or NULL if not found
*/
-void *dev_read_addr_ptr(struct udevice *dev);
+void *dev_read_addr_ptr(const struct udevice *dev);
+
+/**
+ * dev_read_addr_pci() - Read an address and handle PCI address translation
+ *
+ * At present U-Boot does not have address translation logic for PCI in the
+ * livetree implementation (of_addr.c). This special function supports this for
+ * the flat tree implementation.
+ *
+ * This function should be removed (and code should use dev_read() instead)
+ * once:
+ *
+ * 1. PCI address translation is added; and either
+ * 2. everything uses livetree where PCI translation is used (which is feasible
+ * in SPL and U-Boot proper) or PCI address translation is added to
+ * fdtdec_get_addr() and friends.
+ *
+ * @dev: Device to read from
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_pci(const struct udevice *dev);
/**
* dev_remap_addr() - Get the reg property of a device as a
*
* @return pointer or NULL if not found
*/
-void *dev_remap_addr(struct udevice *dev);
+void *dev_remap_addr(const struct udevice *dev);
/**
* dev_read_addr_size() - get address and size from a device property
* @sizep: place to put size value (on success)
* @return address value, or FDT_ADDR_T_NONE on error
*/
-fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *propname,
- fdt_size_t *sizep);
+fdt_addr_t dev_read_addr_size(const struct udevice *dev, const char *propname,
+ fdt_size_t *sizep);
/**
* dev_read_name() - get the name of a device's node
*
- * @node: valid node to look up
+ * @dev: Device to read from
* @return name of node
*/
-const char *dev_read_name(struct udevice *dev);
+const char *dev_read_name(const struct udevice *dev);
/**
* dev_read_stringlist_search() - find string in a string list and return index
* -ENODATA if the property is not found
* -EINVAL on some other error
*/
-int dev_read_stringlist_search(struct udevice *dev, const char *property,
- const char *string);
+int dev_read_stringlist_search(const struct udevice *dev, const char *property,
+ const char *string);
/**
* dev_read_string_index() - obtain an indexed string from a string list
* @return:
* length of string, if found or -ve error value if not found
*/
-int dev_read_string_index(struct udevice *dev, const char *propname, int index,
- const char **outp);
+int dev_read_string_index(const struct udevice *dev, const char *propname,
+ int index, const char **outp);
/**
* dev_read_string_count() - find the number of strings in a string list
* @return:
* number of strings in the list, or -ve error value if not found
*/
-int dev_read_string_count(struct udevice *dev, const char *propname);
+int dev_read_string_count(const struct udevice *dev, const char *propname);
/**
* dev_read_phandle_with_args() - Find a node pointed by phandle in a list
*
* @cells_name could not be found, the arguments were truncated or there
* were too many arguments.
*/
-int dev_read_phandle_with_args(struct udevice *dev, const char *list_name,
- const char *cells_name, int cell_count,
- int index,
- struct ofnode_phandle_args *out_args);
+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);
/**
* dev_count_phandle_with_args() - Return phandle number in a list
* errno value.
*/
-int dev_count_phandle_with_args(struct udevice *dev, const char *list_name,
- const char *cells_name);
+int dev_count_phandle_with_args(const struct udevice *dev,
+ const char *list_name, const char *cells_name);
/**
* dev_read_addr_cells() - Get the number of address cells for a device's node
* @dev: device to check
* @return number of address cells this node uses
*/
-int dev_read_addr_cells(struct udevice *dev);
+int dev_read_addr_cells(const struct udevice *dev);
/**
* dev_read_size_cells() - Get the number of size cells for a device's node
* @dev: device to check
* @return number of size cells this node uses
*/
-int dev_read_size_cells(struct udevice *dev);
+int dev_read_size_cells(const struct udevice *dev);
/**
* dev_read_addr_cells() - Get the address cells property in a node
* @dev: device to check
* @return number of address cells this node uses
*/
-int dev_read_simple_addr_cells(struct udevice *dev);
+int dev_read_simple_addr_cells(const struct udevice *dev);
/**
* dev_read_size_cells() - Get the size cells property in a node
* @dev: device to check
* @return number of size cells this node uses
*/
-int dev_read_simple_size_cells(struct udevice *dev);
+int dev_read_simple_size_cells(const struct udevice *dev);
/**
* dev_read_phandle() - Get the phandle from a device
* @dev: device to check
* @return phandle (1 or greater), or 0 if no phandle or other error
*/
-int dev_read_phandle(struct udevice *dev);
+int dev_read_phandle(const struct udevice *dev);
/**
* dev_read_prop()- - read a property from a device's node
* @lenp: place to put length on success
* @return pointer to property, or NULL if not found
*/
-const void *dev_read_prop(struct udevice *dev, const char *propname, int *lenp);
+const void *dev_read_prop(const struct udevice *dev, const char *propname,
+ int *lenp);
+
+/**
+ * dev_read_first_prop()- get the reference of the first property
+ *
+ * Get reference to the first property of the node, it is used to iterate
+ * and read all the property with dev_read_prop_by_prop().
+ *
+ * @dev: device to check
+ * @prop: place to put argument reference
+ * @return 0 if OK, -ve on error. -FDT_ERR_NOTFOUND if not found
+ */
+int dev_read_first_prop(const struct udevice *dev, struct ofprop *prop);
+
+/**
+ * ofnode_get_next_property() - get the reference of the next property
+ *
+ * Get reference to the next property of the node, it is used to iterate
+ * and read all the property with dev_read_prop_by_prop().
+ *
+ * @prop: reference of current argument and place to put reference of next one
+ * @return 0 if OK, -ve on error. -FDT_ERR_NOTFOUND if not found
+ */
+int dev_read_next_prop(struct ofprop *prop);
+
+/**
+ * dev_read_prop_by_prop() - get a pointer to the value of a property
+ *
+ * Get value for the property identified by the provided reference.
+ *
+ * @prop: reference on property
+ * @propname: If non-NULL, place to property name on success,
+ * @lenp: If non-NULL, place to put length on success
+ * @return 0 if OK, -ve on error. -FDT_ERR_NOTFOUND if not found
+ */
+const void *dev_read_prop_by_prop(struct ofprop *prop,
+ const char **propname, int *lenp);
/**
* dev_read_alias_seq() - Get the alias sequence number of a node
* @devnump: set to the sequence number if one is found
* @return 0 if a sequence was found, -ve if not
*/
-int dev_read_alias_seq(struct udevice *dev, int *devnump);
+int dev_read_alias_seq(const struct udevice *dev, int *devnump);
/**
* dev_read_u32_array() - Find and read an array of 32 bit integers
* property does not have a value, and -EOVERFLOW if the property data isn't
* large enough.
*/
-int dev_read_u32_array(struct udevice *dev, const char *propname,
+int dev_read_u32_array(const struct udevice *dev, const char *propname,
u32 *out_values, size_t sz);
/**
* @return reference to the first subnode (which can be invalid if the device's
* node has no subnodes)
*/
-ofnode dev_read_first_subnode(struct udevice *dev);
+ofnode dev_read_first_subnode(const struct udevice *dev);
/**
* ofnode_next_subnode() - find the next sibling of a subnode
* @return pointer to byte array if found, or NULL if the property is not
* found or there is not enough data
*/
-const uint8_t *dev_read_u8_array_ptr(struct udevice *dev, const char *propname,
- size_t sz);
+const uint8_t *dev_read_u8_array_ptr(const struct udevice *dev,
+ const char *propname, size_t sz);
/**
* dev_read_enabled() - check whether a node is enabled
* @dev: device to examine
* @return integer value 0 (not enabled) or 1 (enabled)
*/
-int dev_read_enabled(struct udevice *dev);
+int dev_read_enabled(const struct udevice *dev);
/**
* dev_read_resource() - obtain an indexed resource from a device.
* @res returns the resource
* @return 0 if ok, negative on error
*/
-int dev_read_resource(struct udevice *dev, uint index, struct resource *res);
+int dev_read_resource(const struct udevice *dev, uint index,
+ struct resource *res);
/**
* dev_read_resource_byname() - obtain a named resource from a device.
* @res: returns the resource
* @return 0 if ok, negative on error
*/
-int dev_read_resource_byname(struct udevice *dev, const char *name,
+int dev_read_resource_byname(const struct udevice *dev, const char *name,
struct resource *res);
/**
- * dev_translate_address() - Tranlate a device-tree address
+ * dev_translate_address() - Translate a device-tree address
*
* Translate an address from the device-tree into a CPU physical address. This
* function walks up the tree and applies the various bus mappings along the
* @in_addr: pointer to the address to translate
* @return the translated address; OF_BAD_ADDR on error
*/
-u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr);
+u64 dev_translate_address(const struct udevice *dev, const fdt32_t *in_addr);
+
+/**
+ * dev_translate_dma_address() - Translate a device-tree DMA address
+ *
+ * Translate a DMA address from the device-tree into a CPU physical address.
+ * This function walks up the tree and applies the various bus mappings along
+ * the way.
+ *
+ * @dev: device giving the context in which to translate the DMA address
+ * @in_addr: pointer to the DMA address to translate
+ * @return the translated DMA address; OF_BAD_ADDR on error
+ */
+u64 dev_translate_dma_address(const struct udevice *dev,
+ const fdt32_t *in_addr);
+
+/**
+ * dev_get_dma_range() - Get a device's DMA constraints
+ *
+ * Provide the address bases and size of the linear mapping between the CPU and
+ * a device's BUS address space.
+ *
+ * @dev: device giving the context in which to translate the DMA address
+ * @cpu: base address for CPU's view of memory
+ * @bus: base address for BUS's view of memory
+ * @size: size of the address space
+ * @return 0 if ok, negative on error
+ */
+int dev_get_dma_range(const struct udevice *dev, phys_addr_t *cpu,
+ dma_addr_t *bus, u64 *size);
+
+/**
+ * dev_read_alias_highest_id - Get highest alias id for the given stem
+ * @stem: Alias stem to be examined
+ *
+ * The function travels the lookup table to get the highest alias id for the
+ * given alias stem.
+ * @return alias ID, if found, else -1
+ */
+int dev_read_alias_highest_id(const char *stem);
+
+/**
+ * dev_get_child_count() - get the child count of a device
+ *
+ * @dev: device to use for interation (struct udevice *)
+ * @return the count of child subnode
+ */
+int dev_get_child_count(const struct udevice *dev);
+
+/**
+ * dev_read_pci_bus_range - Read PCI bus-range resource
+ *
+ * Look at the bus range property of a device node and return the pci bus
+ * range for this node.
+ *
+ * @dev: device to examine
+ * @res returns the resource
+ * @return 0 if ok, negative on error
+ */
+int dev_read_pci_bus_range(const struct udevice *dev, struct resource *res);
+
#else /* CONFIG_DM_DEV_READ_INLINE is enabled */
-static inline int dev_read_u32(struct udevice *dev,
+static inline int dev_read_u32(const struct udevice *dev,
const char *propname, u32 *outp)
{
return ofnode_read_u32(dev_ofnode(dev), propname, outp);
}
-static inline int dev_read_u32_default(struct udevice *dev,
+static inline int dev_read_u32_default(const struct udevice *dev,
const char *propname, int def)
{
return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
}
-static inline const char *dev_read_string(struct udevice *dev,
+static inline 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);
+}
+
+static inline 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);
+}
+
+static inline int dev_read_s32(const struct udevice *dev,
+ const char *propname, s32 *outp)
+{
+ return ofnode_read_s32(dev_ofnode(dev), propname, outp);
+}
+
+static inline int dev_read_s32_default(const struct udevice *dev,
+ const char *propname, int def)
+{
+ return ofnode_read_s32_default(dev_ofnode(dev), propname, def);
+}
+
+static inline 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;
+}
+
+static inline int dev_read_u64(const struct udevice *dev,
+ const char *propname, u64 *outp)
+{
+ return ofnode_read_u64(dev_ofnode(dev), propname, outp);
+}
+
+static inline u64 dev_read_u64_default(const struct udevice *dev,
+ const char *propname, u64 def)
+{
+ return ofnode_read_u64_default(dev_ofnode(dev), propname, def);
+}
+
+static inline const char *dev_read_string(const struct udevice *dev,
const char *propname)
{
return ofnode_read_string(dev_ofnode(dev), propname);
}
-static inline bool dev_read_bool(struct udevice *dev, const char *propname)
+static inline bool dev_read_bool(const struct udevice *dev,
+ const char *propname)
{
return ofnode_read_bool(dev_ofnode(dev), propname);
}
-static inline ofnode dev_read_subnode(struct udevice *dev,
+static inline ofnode dev_read_subnode(const struct udevice *dev,
const char *subbnode_name)
{
return ofnode_find_subnode(dev_ofnode(dev), subbnode_name);
}
-static inline int dev_read_size(struct udevice *dev, const char *propname)
+static inline int dev_read_size(const struct udevice *dev, const char *propname)
{
return ofnode_read_size(dev_ofnode(dev), propname);
}
-static inline fdt_addr_t dev_read_addr_index(struct udevice *dev, int index)
+static inline fdt_addr_t dev_read_addr_index(const struct udevice *dev,
+ int index)
{
return devfdt_get_addr_index(dev, index);
}
-static inline fdt_addr_t dev_read_addr_name(struct udevice *dev,
+static inline fdt_addr_t dev_read_addr_size_index(const struct udevice *dev,
+ int index,
+ fdt_size_t *size)
+{
+ return devfdt_get_addr_size_index(dev, index, size);
+}
+
+static inline fdt_addr_t dev_read_addr_name(const struct udevice *dev,
const char *name)
{
return devfdt_get_addr_name(dev, name);
}
-static inline fdt_addr_t dev_read_addr(struct udevice *dev)
+static inline fdt_addr_t dev_read_addr_size_name(const struct udevice *dev,
+ const char *name,
+ fdt_size_t *size)
+{
+ return devfdt_get_addr_size_name(dev, name, size);
+}
+
+static inline fdt_addr_t dev_read_addr(const struct udevice *dev)
{
return devfdt_get_addr(dev);
}
-static inline void *dev_read_addr_ptr(struct udevice *dev)
+static inline void *dev_read_addr_ptr(const struct udevice *dev)
{
return devfdt_get_addr_ptr(dev);
}
-static inline void *dev_remap_addr(struct udevice *dev)
+static inline fdt_addr_t dev_read_addr_pci(const struct udevice *dev)
+{
+ return devfdt_get_addr_pci(dev);
+}
+
+static inline void *dev_remap_addr(const struct udevice *dev)
{
return devfdt_remap_addr(dev);
}
-static inline void *dev_remap_addr_index(struct udevice *dev, int index)
+static inline void *dev_remap_addr_index(const struct udevice *dev, int index)
{
return devfdt_remap_addr_index(dev, index);
}
-static inline void *dev_remap_addr_name(struct udevice *dev, const char *name)
+static inline void *dev_remap_addr_name(const struct udevice *dev,
+ const char *name)
{
return devfdt_remap_addr_name(dev, name);
}
-static inline fdt_addr_t dev_read_addr_size(struct udevice *dev,
+static inline fdt_addr_t dev_read_addr_size(const struct udevice *dev,
const char *propname,
fdt_size_t *sizep)
{
return ofnode_get_addr_size(dev_ofnode(dev), propname, sizep);
}
-static inline const char *dev_read_name(struct udevice *dev)
+static inline const char *dev_read_name(const struct udevice *dev)
{
return ofnode_get_name(dev_ofnode(dev));
}
-static inline int dev_read_stringlist_search(struct udevice *dev,
+static inline int dev_read_stringlist_search(const struct udevice *dev,
const char *propname,
const char *string)
{
return ofnode_stringlist_search(dev_ofnode(dev), propname, string);
}
-static inline int dev_read_string_index(struct udevice *dev,
+static inline 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);
}
-static inline int dev_read_string_count(struct udevice *dev,
+static inline int dev_read_string_count(const struct udevice *dev,
const char *propname)
{
return ofnode_read_string_count(dev_ofnode(dev), propname);
}
-static inline int dev_read_phandle_with_args(struct udevice *dev,
+static inline 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)
{
out_args);
}
-static inline int dev_count_phandle_with_args(struct udevice *dev,
+static inline 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);
}
-static inline int dev_read_addr_cells(struct udevice *dev)
+static inline int dev_read_addr_cells(const struct udevice *dev)
{
- /* NOTE: this call should walk up the parent stack */
- return fdt_address_cells(gd->fdt_blob, dev_of_offset(dev));
+ int parent = fdt_parent_offset(gd->fdt_blob, dev_of_offset(dev));
+
+ return fdt_address_cells(gd->fdt_blob, parent);
}
-static inline int dev_read_size_cells(struct udevice *dev)
+static inline int dev_read_size_cells(const struct udevice *dev)
{
- /* NOTE: this call should walk up the parent stack */
- return fdt_size_cells(gd->fdt_blob, dev_of_offset(dev));
+ int parent = fdt_parent_offset(gd->fdt_blob, dev_of_offset(dev));
+
+ return fdt_size_cells(gd->fdt_blob, parent);
}
-static inline int dev_read_simple_addr_cells(struct udevice *dev)
+static inline int dev_read_simple_addr_cells(const struct udevice *dev)
{
return fdt_address_cells(gd->fdt_blob, dev_of_offset(dev));
}
-static inline int dev_read_simple_size_cells(struct udevice *dev)
+static inline int dev_read_simple_size_cells(const struct udevice *dev)
{
return fdt_size_cells(gd->fdt_blob, dev_of_offset(dev));
}
-static inline int dev_read_phandle(struct udevice *dev)
+static inline int dev_read_phandle(const struct udevice *dev)
{
return fdt_get_phandle(gd->fdt_blob, dev_of_offset(dev));
}
-static inline const void *dev_read_prop(struct udevice *dev,
+static inline const void *dev_read_prop(const struct udevice *dev,
const char *propname, int *lenp)
{
return ofnode_get_property(dev_ofnode(dev), propname, lenp);
}
-static inline int dev_read_alias_seq(struct udevice *dev, int *devnump)
+static inline int dev_read_first_prop(const struct udevice *dev, struct ofprop *prop)
+{
+ return ofnode_get_first_property(dev_ofnode(dev), prop);
+}
+
+static inline int dev_read_next_prop(struct ofprop *prop)
+{
+ return ofnode_get_next_property(prop);
+}
+
+static inline const void *dev_read_prop_by_prop(struct ofprop *prop,
+ const char **propname,
+ int *lenp)
{
+ return ofnode_get_property_by_prop(prop, propname, lenp);
+}
+
+static inline int dev_read_alias_seq(const struct udevice *dev, int *devnump)
+{
+#if CONFIG_IS_ENABLED(OF_CONTROL)
return fdtdec_get_alias_seq(gd->fdt_blob, dev->uclass->uc_drv->name,
dev_of_offset(dev), devnump);
+#else
+ return -ENOTSUPP;
+#endif
}
-static inline int dev_read_u32_array(struct udevice *dev, const char *propname,
- u32 *out_values, size_t sz)
+static inline 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);
}
-static inline ofnode dev_read_first_subnode(struct udevice *dev)
+static inline ofnode dev_read_first_subnode(const struct udevice *dev)
{
return ofnode_first_subnode(dev_ofnode(dev));
}
return ofnode_next_subnode(node);
}
-static inline const uint8_t *dev_read_u8_array_ptr(struct udevice *dev,
- const char *propname, size_t sz)
+static inline 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);
}
-static inline int dev_read_enabled(struct udevice *dev)
+static inline int dev_read_enabled(const struct udevice *dev)
{
return fdtdec_get_is_enabled(gd->fdt_blob, dev_of_offset(dev));
}
-static inline int dev_read_resource(struct udevice *dev, uint index,
+static inline int dev_read_resource(const struct udevice *dev, uint index,
struct resource *res)
{
return ofnode_read_resource(dev_ofnode(dev), index, res);
}
-static inline int dev_read_resource_byname(struct udevice *dev,
+static inline 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);
}
-static inline u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr)
+static inline u64 dev_translate_address(const struct udevice *dev,
+ const fdt32_t *in_addr)
{
return ofnode_translate_address(dev_ofnode(dev), in_addr);
}
+static inline u64 dev_translate_dma_address(const struct udevice *dev,
+ const fdt32_t *in_addr)
+{
+ return ofnode_translate_dma_address(dev_ofnode(dev), in_addr);
+}
+
+static inline 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);
+}
+
+static inline int dev_read_alias_highest_id(const char *stem)
+{
+ if (!CONFIG_IS_ENABLED(OF_LIBFDT))
+ return -1;
+ return fdtdec_get_alias_highest_id(gd->fdt_blob, stem);
+}
+
+static inline int dev_get_child_count(const struct udevice *dev)
+{
+ return ofnode_get_child_count(dev_ofnode(dev));
+}
+
#endif /* CONFIG_DM_DEV_READ_INLINE */
/**
ofnode_valid(subnode); \
subnode = ofnode_next_subnode(subnode))
+/**
+ * dev_for_each_property() - Helper function to iterate through property
+ *
+ * This creates a for() loop which works through the property in a device's
+ * device-tree node.
+ *
+ * @prop: struct ofprop holding the current property
+ * @dev: device to use for interation (struct udevice *)
+ */
+#define dev_for_each_property(prop, dev) \
+ for (int ret_prop = dev_read_first_prop(dev, &prop); \
+ !ret_prop; \
+ ret_prop = dev_read_next_prop(&prop))
+
#endif
projects / platform / kernel / u-boot.git / blobdiff