summaryrefslogtreecommitdiffstats
path: root/arch/mips/lantiq/prom.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/lantiq/prom.c')
-rw-r--r--arch/mips/lantiq/prom.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index d185e84..6cfd611 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -8,7 +8,10 @@
#include <linux/export.h>
#include <linux/clk.h>
+#include <linux/bootmem.h>
#include <linux/of_platform.h>
+#include <linux/of_fdt.h>
+
#include <asm/bootinfo.h>
#include <asm/time.h>
@@ -70,6 +73,25 @@ void __init plat_mem_setup(void)
__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();
+
+ /* free the space reserved for the dt blob */
+ free_bootmem(base, size);
+}
+
void __init prom_init(void)
{
/* call the soc specific detetcion code and get it to fill soc_info */