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[POWERPC] fsl_soc: Fix get_immrbase() to use ranges, rather than reg. 

Don't depend on the reg property as a way to determine the base
of the immr space.  The reg property might be defined differently for
different SoC families.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Scott Wood 2008-01-14 10:29:35 -06:00 committed by Kumar Gala
parent c7d24a2dd0
commit 6c7e072b16
1 changed files with 10 additions and 2 deletions
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12
arch/powerpc/sysdev/fsl_soc.c
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@ -55,10 +55,18 @@ phys_addr_t get_immrbase(void)
soc = of_find_node_by_type(NULL, "soc");
if (soc) {
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)
immrbase = of_translate_address(soc, prop);
immrbase = of_translate_address(soc, prop + naddr);
of_node_put(soc);
}