[POWERPC] Bamboo zImage wrapper

Add a bootwrapper for the AMCC 440EP Bamboo Eval board.  This also adds a
common fixup_clock function for all 440EP(x) chips.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/powerpc/boot/bamboo.c b/arch/powerpc/boot/bamboo.c
new file mode 100644
index 000000000000..bc097694b445
--- /dev/null
+++ b/arch/powerpc/boot/bamboo.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright IBM Corporation, 2007
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Based on ebony wrapper:
+ * Copyright 2007 David Gibson, IBM Corporation.
+ *
+ * Clocking code based on code by:
+ * Stefan Roese <sr@denx.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2 of the License
+ */
+#include <stdarg.h>
+#include <stddef.h>
+#include "types.h"
+#include "elf.h"
+#include "string.h"
+#include "stdio.h"
+#include "page.h"
+#include "ops.h"
+#include "dcr.h"
+#include "4xx.h"
+#include "44x.h"
+
+extern char _dtb_start[];
+extern char _dtb_end[];
+
+static void bamboo_fixups(void)
+{
+        unsigned long sysclk = 33333333;
+
+        ibm440ep_fixup_clocks(sysclk, 11059200);
+        ibm4xx_fixup_memsize();
+        ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
+}
+
+void bamboo_init(void)
+{
+        platform_ops.fixups = bamboo_fixups;
+        platform_ops.exit = ibm44x_dbcr_reset;
+        ft_init(_dtb_start, 0, 32);
+        serial_console_init();
+}