[PATCH 29/61] fsl_soc: Fix get_immrbase() to use ranges, rather than reg.

[Scott Wood]

It is not always the case that the SoC's first reg property points
to the beginning of the entire SoC block.

Signed-off-by: Scott Wood <scottwood at freescale.com>
---
 arch/powerpc/sysdev/fsl_soc.c |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index c0ddc80..a837742 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -52,10 +52,19 @@ phys_addr_t get_immrbase(void)
 	soc = of_find_node_by_type(NULL, "soc");
 	if (soc) {
 		unsigned int size;
-		const void *prop = of_get_property(soc, "reg", &size);
+		u32 naddr;
+		const u32 *prop = of_get_property(soc, "#address-cells", &size);
+
+		if (prop && size == 4)
+			naddr = *prop;
+		else
+			naddr = 2;
+
+		prop = of_get_property(soc, "ranges", &size);
+
+		if (prop && size >= 12)
+			immrbase = of_translate_address(soc, prop + naddr);
 
-		if (prop)
-			immrbase = of_translate_address(soc, prop);
 		of_node_put(soc);
 	};
 
-- 
1.5.0.3