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-rw-r--r--arch/mips/netlogic/xlp/Makefile1
-rw-r--r--arch/mips/netlogic/xlp/of.c34
2 files changed, 35 insertions, 0 deletions
diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile
index b93ed83474ec..9007ef0c398e 100644
--- a/arch/mips/netlogic/xlp/Makefile
+++ b/arch/mips/netlogic/xlp/Makefile
@@ -1,2 +1,3 @@
obj-y += setup.o platform.o nlm_hal.o
+obj-$(CONFIG_OF) += of.o
obj-$(CONFIG_SMP) += wakeup.o
diff --git a/arch/mips/netlogic/xlp/of.c b/arch/mips/netlogic/xlp/of.c
new file mode 100644
index 000000000000..8e3921c0c201
--- /dev/null
+++ b/arch/mips/netlogic/xlp/of.c
@@ -0,0 +1,34 @@
+#include <linux/bootmem.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/of_fdt.h>
+#include <asm/byteorder.h>
+
+static int __init reserve_mem_mach(unsigned long addr, unsigned long size)
+{
+ return reserve_bootmem(addr, size, BOOTMEM_DEFAULT);
+}
+
+void __init free_mem_mach(unsigned long addr, unsigned long size)
+{
+ return free_bootmem(addr, size);
+}
+
+void __init device_tree_init(void)
+{
+ unsigned long base, size;
+
+ if (!initial_boot_params)
+ return;
+
+ base = virt_to_phys((void *)initial_boot_params);
+ size = be32_to_cpu(initial_boot_params->totalsize);
+
+ /* Before we do anything, lets reserve the dt blob */
+ reserve_mem_mach(base, size);
+
+ unflatten_device_tree();
+
+ /* free the space reserved for the dt blob */
+ free_mem_mach(base, size);
+}
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