powerpc: Add WSP platform

Add a platform for the Wire Speed Processor, based on the PPC A2.

This includes code for the ICS & OPB interrupt controllers, as well
as a SCOM backend, and SCOM based cpu bringup.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Jack Miller <jack@codezen.org>
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/wsp.h b/arch/powerpc/include/asm/wsp.h
new file mode 100644
index 000000000000..c7dc83088a33
--- /dev/null
+++ b/arch/powerpc/include/asm/wsp.h
@@ -0,0 +1,14 @@
+/*
+ *  Copyright 2011 Michael Ellerman, IBM Corp.
+ *
+ *  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; either version
+ *  2 of the License, or (at your option) any later version.
+ */
+#ifndef __ASM_POWERPC_WSP_H
+#define __ASM_POWERPC_WSP_H
+
+extern int wsp_get_chip_id(struct device_node *dn);
+
+#endif /* __ASM_POWERPC_WSP_H */