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Diffstat (limited to 'arch/mips/mti-sead3/sead3-setup.c')
-rw-r--r--arch/mips/mti-sead3/sead3-setup.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/mips/mti-sead3/sead3-setup.c b/arch/mips/mti-sead3/sead3-setup.c
index 8ad46ad31b49..f012fd164cee 100644
--- a/arch/mips/mti-sead3/sead3-setup.c
+++ b/arch/mips/mti-sead3/sead3-setup.c
@@ -6,6 +6,12 @@
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
*/
#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/of_fdt.h>
+#include <linux/bootmem.h>
+
+#include <asm/mips-boards/generic.h>
+#include <asm/prom.h>
int coherentio; /* 0 => no DMA cache coherency (may be set by user) */
int hw_coherentio; /* 0 => no HW DMA cache coherency (reflects real HW) */
@@ -17,4 +23,25 @@ const char *get_system_type(void)
void __init plat_mem_setup(void)
{
+ /*
+ * Load the builtin devicetree. This causes the chosen node to be
+ * parsed resulting in our memory appearing
+ */
+ __dt_setup_arch(&__dtb_start);
+}
+
+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_bootmem(base, size, BOOTMEM_DEFAULT);
+
+ unflatten_device_tree();
}
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