powerpc: add support for reserved memory defined by device tree

Enable reserved memory initialization from device tree. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Grant Likely <grant.likely@linaro.org>
git-mirror · Mar 13, 2014 · 708b7ee · 708b7ee
1 parent 9bf14b7
commit 708b7ee
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diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
@@ -90,6 +90,7 @@ config PPC
 	select BINFMT_ELF
 	select OF
 	select OF_EARLY_FLATTREE
+	select OF_RESERVED_MEM
 	select HAVE_FTRACE_MCOUNT_RECORD
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_FUNCTION_TRACER

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
@@ -33,6 +33,7 @@
 #include <linux/irq.h>
 #include <linux/memblock.h>
 #include <linux/of.h>
+#include <linux/of_fdt.h>
 
 #include <asm/prom.h>
 #include <asm/rtas.h>
@@ -588,6 +589,8 @@ static void __init early_reserve_mem_dt(void)
 			memblock_reserve(base, size);
 		}
 	}
+
+	early_init_fdt_scan_reserved_mem();
 }
 
 static void __init early_reserve_mem(void)