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>

1 files changed, 58 insertions, 0 deletions

diff --git a/arch/mn10300/kernel/mn10300-debug.c b/arch/mn10300/kernel/mn10300-debug.c
new file mode 100644
index 0000000..bd81964
--- /dev/null
+++ b/arch/mn10300/kernel/mn10300-debug.c
@@ -0,0 +1,58 @@
+/* Debugging stuff for the MN10300-based processors
+ *
+ * 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.
+ */
+#include <linux/sched.h>
+#include <asm/serial-regs.h>
+
+#undef MN10300_CONSOLE_ON_SERIO
+
+/*
+ * write a string directly through one of the serial ports on-board the MN10300
+ */
+#ifdef MN10300_CONSOLE_ON_SERIO
+void debug_to_serial_mnser(const char *p, int n)
+{
+	char ch;
+
+	for (; n > 0; n--) {
+		ch = *p++;
+
+#if MN10300_CONSOLE_ON_SERIO == 0
+		while (SC0STR & (SC01STR_TBF)) continue;
+		SC0TXB = ch;
+		while (SC0STR & (SC01STR_TBF)) continue;
+		if (ch == 0x0a) {
+			SC0TXB = 0x0d;
+			while (SC0STR & (SC01STR_TBF)) continue;
+		}
+
+#elif MN10300_CONSOLE_ON_SERIO == 1
+		while (SC1STR & (SC01STR_TBF)) continue;
+		SC1TXB = ch;
+		while (SC1STR & (SC01STR_TBF)) continue;
+		if (ch == 0x0a) {
+			SC1TXB = 0x0d;
+			while (SC1STR & (SC01STR_TBF)) continue;
+		}
+
+#elif MN10300_CONSOLE_ON_SERIO == 2
+		while (SC2STR & (SC2STR_TBF)) continue;
+		SC2TXB = ch;
+		while (SC2STR & (SC2STR_TBF)) continue;
+		if (ch == 0x0a) {
+			SC2TXB = 0x0d;
+			while (SC2STR & (SC2STR_TBF)) continue;
+		}
+
+#endif
+	}
+}
+#endif
+