Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / powerpc / boot / cuboot-taishan.c

diff --git a/kernel/arch/powerpc/boot/cuboot-taishan.c b/kernel/arch/powerpc/boot/cuboot-taishan.c
new file mode 100644 (file)
index 0000000..9bc906a
--- /dev/null
+++ b/kernel/arch/powerpc/boot/cuboot-taishan.c
@@ -0,0 +1,57 @@
+/*
+ * Old U-boot compatibility for Taishan
+ *
+ * Author: Hugh Blemings <hugh@au.ibm.com>
+ *
+ * Copyright 2007 Hugh Blemings, IBM Corporation.
+ *   Based on cuboot-ebony.c which is:
+ * Copyright 2007 David Gibson, IBM Corporation.
+ *   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 "cuboot.h"
+#include "reg.h"
+#include "dcr.h"
+#include "4xx.h"
+
+#define TARGET_4xx
+#define TARGET_44x
+#define TARGET_440GX
+#include "ppcboot.h"
+
+static bd_t bd;
+
+BSS_STACK(4096);
+
+static void taishan_fixups(void)
+{
+       /* FIXME: sysclk should be derived by reading the FPGA
+          registers */
+       unsigned long sysclk = 33000000;
+
+       ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000);
+
+       ibm4xx_sdram_fixup_memsize();
+
+       dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
+       dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
+
+       ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                  unsigned long r6, unsigned long r7)
+{
+       CUBOOT_INIT();
+
+       platform_ops.fixups = taishan_fixups;
+       fdt_init(_dtb_start);
+       serial_console_init();
+}