aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/boot/cuboot.c
diff options
context:
space:
mode:
authorPaul Mackerras <paulus@samba.org>2007-07-11 13:28:26 +1000
committerPaul Mackerras <paulus@samba.org>2007-07-11 13:28:26 +1000
commitbf22f6fe2d72b4d7e9035be8ceb340414cf490e3 (patch)
tree14085d90de0428316479fe6de8a0c6d32e6e65e2 /arch/powerpc/boot/cuboot.c
parent4eb6bf6bfb580afaf1e1a1d30cba17a078530cf4 (diff)
parent93ab471889c6662b42ce7da257f31f24c08d7d9e (diff)
Merge branch 'for-2.6.23' into merge
Diffstat (limited to 'arch/powerpc/boot/cuboot.c')
-rw-r--r--arch/powerpc/boot/cuboot.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/powerpc/boot/cuboot.c b/arch/powerpc/boot/cuboot.c
new file mode 100644
index 00000000000..65795468ad6
--- /dev/null
+++ b/arch/powerpc/boot/cuboot.c
@@ -0,0 +1,35 @@
+/*
+ * Compatibility for old (not device tree aware) U-Boot versions
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ * Consolidated using macros by David Gibson <david@gibson.dropbear.id.au>
+ *
+ * Copyright 2007 David Gibson, IBM Corporation.
+ * 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 "ppcboot.h"
+
+extern char _end[];
+extern char _dtb_start[], _dtb_end[];
+
+void cuboot_init(unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7,
+ unsigned long end_of_ram)
+{
+ unsigned long avail_ram = end_of_ram - (unsigned long)_end;
+
+ loader_info.initrd_addr = r4;
+ loader_info.initrd_size = r4 ? r5 - r4 : 0;
+ loader_info.cmdline = (char *)r6;
+ loader_info.cmdline_len = r7 - r6;
+
+ simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64);
+}