From: Jean-Jacques Hiblot <jjhiblot@ti.com>
Date: Mon, 13 Feb 2017 15:17:48 +0000 (+0100)
Subject: regmap: use fdt address translation
X-Git-Tag: v2017.05-rc1~18^2~2
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=1804044f30872075ee1996631caa18b617f3c718;p=u-boot

regmap: use fdt address translation

In the DTS, the addresses are defined relative to the parent bus. We need
to translate them to get the address as seen by the CPU core.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
---

diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c
index 833cd78e84..3bec3df9b6 100644
--- a/drivers/core/regmap.c
+++ b/drivers/core/regmap.c
@@ -70,6 +70,7 @@ int regmap_init_mem(struct udevice *dev, struct regmap **mapp)
 	int addr_len, size_len, both_len;
 	int parent;
 	int len;
+	int index;
 
 	parent = dev_of_offset(dev->parent);
 	addr_len = fdt_address_cells(blob, parent);
@@ -86,13 +87,14 @@ int regmap_init_mem(struct udevice *dev, struct regmap **mapp)
 	if (!map)
 		return -ENOMEM;
 
-	map->base = fdtdec_get_number(cell, addr_len);
-
-	for (range = map->range; count > 0;
-	     count--, cell += both_len, range++) {
-		range->start = fdtdec_get_number(cell, addr_len);
-		range->size = fdtdec_get_number(cell + addr_len, size_len);
+	for (range = map->range, index = 0; count > 0;
+	     count--, cell += both_len, range++, index++) {
+		fdt_size_t sz;
+		range->start = fdtdec_get_addr_size_fixed(blob, dev->of_offset,
+				"reg", index, addr_len, size_len, &sz, true);
+		range->size = sz;
 	}
+	map->base = map->range[0].start;
 
 	*mapp = map;