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authorJohn W. Linville <linville@tuxdriver.com>2012-09-07 15:07:55 -0400
committerJohn W. Linville <linville@tuxdriver.com>2012-09-07 15:07:55 -0400
commitfac805f8c198092de9a2842efd7f5022e2937b18 (patch)
tree7557809c373f97a343c427d8fded0696060394ce /arch/mips/netlogic/xlp/of.c
parent2461c7d60f9f3821274e4acf9019cba8b82c94b5 (diff)
parentf10723841e624c0726c70356b31d91befed01dd6 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'arch/mips/netlogic/xlp/of.c')
-rw-r--r--arch/mips/netlogic/xlp/of.c34
1 files changed, 34 insertions, 0 deletions
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);
+}