Signed-off-by: Álvaro Fernández Rojas <nolt...@gmail.com>
---
drivers/core/fdtaddr.c | 10 ++++++++++
drivers/core/read.c | 20 ++++++++++++++++++++
include/dm/fdtaddr.h | 13 +++++++++++++
include/dm/read.h | 36 ++++++++++++++++++++++++++++++++++++
4 files changed, 79 insertions(+)
diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c
index bfd9580050..e113f1dd39 100644
--- a/drivers/core/fdtaddr.c
+++ b/drivers/core/fdtaddr.c
@@ -146,6 +146,16 @@ void *devfdt_remap_addr_index(struct udevice *dev, int
index)
return map_physmem(addr, 0, MAP_NOCACHE);
}
+void *devfdt_remap_addr_name(struct udevice *dev, const char *name)
+{
+ fdt_addr_t addr = devfdt_get_addr_name(dev, name);
+
+ if (addr == FDT_ADDR_T_NONE)
+ return NULL;
+
+ return map_physmem(addr, 0, MAP_NOCACHE);
+}
+
void *devfdt_remap_addr(struct udevice *dev)
{
return devfdt_remap_addr_index(dev, 0);
diff --git a/drivers/core/read.c b/drivers/core/read.c
index 96766c7876..cdd78be03e 100644
--- a/drivers/core/read.c
+++ b/drivers/core/read.c
@@ -69,6 +69,26 @@ void *dev_remap_addr_index(struct udevice *dev, int index)
return map_physmem(addr, 0, MAP_NOCACHE);
}
+fdt_addr_t dev_read_addr_name(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);
+}
+
+void *dev_remap_addr_name(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(struct udevice *dev)
{
return dev_read_addr_index(dev, 0);
diff --git a/include/dm/fdtaddr.h b/include/dm/fdtaddr.h
index 49a6ffd5f8..c171d9bc2f 100644
--- a/include/dm/fdtaddr.h
+++ b/include/dm/fdtaddr.h
@@ -56,6 +56,19 @@ void *devfdt_remap_addr(struct udevice *dev);
void *devfdt_remap_addr_index(struct udevice *dev, int index);
/**
+ * devfdt_remap_addr_name() - Get the reg property of a device, indexed by
+ * name, as a memory-mapped I/O pointer
+ * @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'.
+ *
+ * @dev: Pointer to a device
+ *
+ * @return Pointer to addr, or NULL if there is no such property
+ */
+void *devfdt_remap_addr_name(struct udevice *dev, const char *name);
+
+/**
* devfdt_map_physmem() - Read device address from reg property of the
* device node and map the address into CPU address
* space.
diff --git a/include/dm/read.h b/include/dm/read.h
index a27b8554fb..efcbee15ec 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -125,6 +125,31 @@ fdt_addr_t dev_read_addr_index(struct udevice *dev, int
index);
void *dev_remap_addr_index(struct udevice *dev, int index);
/**
+ * dev_read_addr_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'.
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_name(struct udevice *dev, const char* name);
+
+/**
+ * dev_remap_addr_name() - Get the reg property of a device, indexed by name,
+ * as a memory-mapped I/O pointer
+ *
+ * @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'.
+ *
+ * @return pointer or NULL if not found
+ */
+void *dev_remap_addr_name(struct udevice *dev, const char* name);
+
+/**
* dev_read_addr() - Get the reg property of a device
*
* @dev: Device to read from
@@ -494,6 +519,12 @@ static inline fdt_addr_t dev_read_addr_index(struct
udevice *dev, int index)
return devfdt_get_addr_index(dev, index);
}
+static inline fdt_addr_t dev_read_addr_name(struct udevice *dev,
+ const char *name)
+{
+ return devfdt_get_addr_name(dev, name);
+}
+
static inline fdt_addr_t dev_read_addr(struct udevice *dev)
{
return devfdt_get_addr(dev);
@@ -514,6 +545,11 @@ static inline void *dev_remap_addr_index(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)
+{
+ return devfdt_remap_addr_name(dev, name);
+}
+
static inline fdt_addr_t dev_read_addr_size(struct udevice *dev,
const char *propname,
fdt_size_t *sizep)
--
2.11.0
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