From 30a90f56c3a20da0456e09e6e665b648719b8935 Mon Sep 17 00:00:00 2001
From: Álvaro Fernández Rojas <noltari@gmail.com>
Date: Sun, 29 Apr 2018 21:56:54 +0200
Subject: dm: core: add functions to get memory-mapped I/O addresses
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
 drivers/core/read.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'drivers/core/read.c')

diff --git a/drivers/core/read.c b/drivers/core/read.c
index 0322cbf330..96766c7876 100644
--- a/drivers/core/read.c
+++ b/drivers/core/read.c
@@ -4,6 +4,8 @@
  * Written by Simon Glass <sjg@chromium.org>
  */
 
+#include <asm/types.h>
+#include <asm/io.h>
 #include <common.h>
 #include <dm.h>
 #include <mapmem.h>
@@ -57,6 +59,16 @@ fdt_addr_t dev_read_addr_index(struct udevice *dev, int index)
 		return devfdt_get_addr_index(dev, index);
 }
 
+void *dev_remap_addr_index(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(struct udevice *dev)
 {
 	return dev_read_addr_index(dev, 0);
@@ -69,6 +81,11 @@ void *dev_read_addr_ptr(struct udevice *dev)
 	return (addr == FDT_ADDR_T_NONE) ? NULL : map_sysmem(addr, 0);
 }
 
+void *dev_remap_addr(struct udevice *dev)
+{
+	return dev_remap_addr_index(dev, 0);
+}
+
 fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property,
 			      fdt_size_t *sizep)
 {
-- 
cgit