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authorDavid Howells <dhowells@redhat.com>2008-02-08 13:19:31 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 18:22:30 +0100
commitb920de1b77b72ca9432ac3f97edb26541e65e5dd (patch)
tree40fa9be1470e929c47927dea7eddf184c0204229 /include/asm-mn10300/tlb.h
parentmn10300: allocate serial port UART IDs for on-chip serial ports (diff)
downloadlinux-b920de1b77b72ca9432ac3f97edb26541e65e5dd.tar.xz
linux-b920de1b77b72ca9432ac3f97edb26541e65e5dd.zip
mn10300: add the MN10300/AM33 architecture to the kernel
Add architecture support for the MN10300/AM33 CPUs produced by MEI to the kernel. This patch also adds board support for the ASB2303 with the ASB2308 daughter board, and the ASB2305. The only processor supported is the MN103E010, which is an AM33v2 core plus on-chip devices. [akpm@linux-foundation.org: nuke cvs control strings] Signed-off-by: Masakazu Urade <urade.masakazu@jp.panasonic.com> Signed-off-by: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-mn10300/tlb.h')
-rw-r--r--include/asm-mn10300/tlb.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/asm-mn10300/tlb.h b/include/asm-mn10300/tlb.h
new file mode 100644
index 000000000000..65d232b96613
--- /dev/null
+++ b/include/asm-mn10300/tlb.h
@@ -0,0 +1,34 @@
+/* MN10300 TLB definitions
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _ASM_TLB_H
+#define _ASM_TLB_H
+
+#include <asm/tlbflush.h>
+
+extern void check_pgt_cache(void);
+
+/*
+ * we don't need any special per-pte or per-vma handling...
+ */
+#define tlb_start_vma(tlb, vma) do { } while (0)
+#define tlb_end_vma(tlb, vma) do { } while (0)
+#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
+
+/*
+ * .. because we flush the whole mm when it fills up
+ */
+#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
+
+/* for now, just use the generic stuff */
+#include <asm-generic/tlb.h>
+
+#endif /* _ASM_TLB_H */