powerpc/4xx: Sam440ep support

The Sam440ep is an high customizable general purpose mini-itx board,
based on the AMCC 440EP and with a LatticeXP FPGA onboard.

It's poduced by ACube Systems Srl (Bassano del Grappa, Italy),
http://www.acube-systems.biz.

Signed-off-by: Giuseppe Coviello <gicoviello@gmail.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/powerpc/boot/cuboot-sam440ep.c b/arch/powerpc/boot/cuboot-sam440ep.c
new file mode 100644
index 000000000000..ec10a47460dd
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-sam440ep.c
@@ -0,0 +1,49 @@
+/*
+ * Old U-boot compatibility for Sam440ep based off bamboo.c code
+ * original copyrights below
+ *
+ * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Copyright 2007 IBM Corporation
+ *
+ * Based on cuboot-ebony.c
+ *
+ * Modified from cuboot-bamboo.c for sam440ep:
+ * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
+ *
+ * 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"
+#include "4xx.h"
+#include "cuboot.h"
+
+#define TARGET_4xx
+#define TARGET_44x
+#include "ppcboot.h"
+
+static bd_t bd;
+
+static void sam440ep_fixups(void)
+{
+       unsigned long sysclk = 66666666;
+
+       ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
+       ibm4xx_sdram_fixup_memsize();
+       ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
+       dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                unsigned long r6, unsigned long r7)
+{
+        CUBOOT_INIT();
+        platform_ops.fixups = sam440ep_fixups;
+        platform_ops.exit = ibm44x_dbcr_reset;
+        fdt_init(_dtb_start);
+        serial_console_init();
+}