Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / powerpc / boot / cuboot-8xx.c

diff --git a/kernel/arch/powerpc/boot/cuboot-8xx.c b/kernel/arch/powerpc/boot/cuboot-8xx.c
new file mode 100644 (file)
index 0000000..c202c88
--- /dev/null
+++ b/kernel/arch/powerpc/boot/cuboot-8xx.c
@@ -0,0 +1,47 @@
+/*
+ * Old U-boot compatibility for 8xx
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * 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"
+
+#define TARGET_8xx
+#define TARGET_HAS_ETH1
+#include "ppcboot.h"
+
+static bd_t bd;
+
+static void platform_fixups(void)
+{
+       void *node;
+
+       dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+       dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
+       dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
+
+       node = finddevice("/soc/cpm");
+       if (node)
+               setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
+
+       node = finddevice("/soc/cpm/brg");
+       if (node)
+               setprop(node, "clock-frequency",  &bd.bi_busfreq, 4);
+}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                   unsigned long r6, unsigned long r7)
+{
+       CUBOOT_INIT();
+       fdt_init(_dtb_start);
+       serial_console_init();
+       platform_ops.fixups = platform_fixups;
+}