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-rw-r--r--arch/nios2/lib/bootm.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/nios2/lib/bootm.c b/arch/nios2/lib/bootm.c
index 5037467151..3cb59bd977 100644
--- a/arch/nios2/lib/bootm.c
+++ b/arch/nios2/lib/bootm.c
@@ -10,6 +10,9 @@
#include <image.h>
#include <irq_func.h>
#include <log.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
#define NIOS_MAGIC 0x534f494e /* enable command line and initrd passing */
@@ -60,3 +63,16 @@ int do_bootm_linux(int flag, int argc, char *const argv[],
return 1;
}
+
+static ulong get_sp(void)
+{
+ ulong ret;
+
+ asm("mov %0, sp" : "=r"(ret) : );
+ return ret;
+}
+
+void arch_lmb_reserve(struct lmb *lmb)
+{
+ arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096);
+}