core: introduce dev_read_addr_name[_size]_ptr() functions

Same as dev_read_addr_name[_size](), but returns a pointer, cast
through map_sysmem().

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

2 files changed, 42 insertions, 0 deletions

diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c
index 0f4eff6707..8e774d49ce 100644
--- a/drivers/core/fdtaddr.c
+++ b/drivers/core/fdtaddr.c
@@ -153,6 +153,16 @@ fdt_addr_t devfdt_get_addr_name(const struct udevice *dev, const char *name)
 #endif
 }
 
+void *devfdt_get_addr_name_ptr(const 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_sysmem(addr, 0);
+}
+
 fdt_addr_t devfdt_get_addr_size_name(const struct udevice *dev,
 				     const char *name, fdt_size_t *size)
 {
@@ -170,6 +180,17 @@ fdt_addr_t devfdt_get_addr_size_name(const struct udevice *dev,
 #endif
 }
 
+void *devfdt_get_addr_size_name_ptr(const struct udevice *dev,
+				    const char *name, fdt_size_t *size)
+{
+	fdt_addr_t addr = devfdt_get_addr_size_name(dev, name, size);
+
+	if (addr == FDT_ADDR_T_NONE)
+		return NULL;
+
+	return map_sysmem(addr, 0);
+}
+
 fdt_addr_t devfdt_get_addr(const struct udevice *dev)
 {
 	return devfdt_get_addr_index(dev, 0);
diff --git a/drivers/core/read.c b/drivers/core/read.c
index 419013451f..1a4a95cdde 100644
--- a/drivers/core/read.c
+++ b/drivers/core/read.c
@@ -181,6 +181,16 @@ fdt_addr_t dev_read_addr_name(const struct udevice *dev, const char *name)
 		return dev_read_addr_index(dev, index);
 }
 
+void *dev_read_addr_name_ptr(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_sysmem(addr, 0);
+}
+
 fdt_addr_t dev_read_addr_size_name(const struct udevice *dev, const char *name,
 				   fdt_size_t *size)
 {
@@ -192,6 +202,17 @@ fdt_addr_t dev_read_addr_size_name(const struct udevice *dev, const char *name,
 		return dev_read_addr_size_index(dev, index, size);
 }
 
+void *dev_read_addr_size_name_ptr(const struct udevice *dev, const char *name,
+				  fdt_size_t *size)
+{
+	fdt_addr_t addr = dev_read_addr_size_name(dev, name, size);
+
+	if (addr == FDT_ADDR_T_NONE)
+		return NULL;
+
+	return map_sysmem(addr, 0);
+}
+
 void *dev_remap_addr_name(const struct udevice *dev, const char *name)
 {
 	fdt_addr_t addr = dev_read_addr_name(dev, name);