v4.19.13 snapshot.
diff --git a/arch/powerpc/boot/treeboot-ebony.c b/arch/powerpc/boot/treeboot-ebony.c
new file mode 100644
index 0000000..21cc483
--- /dev/null
+++ b/arch/powerpc/boot/treeboot-ebony.c
@@ -0,0 +1,32 @@
+/*
+ * Old U-boot compatibility for Ebony
+ *
+ * Author: David Gibson <david@gibson.dropbear.id.au>
+ *
+ * Copyright 2007 David Gibson, IBM Corporatio.
+ * Based on cuboot-83xx.c, which is:
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "stdio.h"
+#include "44x.h"
+
+BSS_STACK(4096);
+
+#define OPENBIOS_MAC_BASE 0xfffffe0c
+#define OPENBIOS_MAC_OFFSET 0xc
+
+void platform_init(void)
+{
+ unsigned long end_of_ram = 0x8000000;
+ unsigned long avail_ram = end_of_ram - (unsigned long)_end;
+
+ simple_alloc_init(_end, avail_ram, 32, 64);
+ ebony_init((u8 *)OPENBIOS_MAC_BASE,
+ (u8 *)(OPENBIOS_MAC_BASE + OPENBIOS_MAC_OFFSET));
+}