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, 99 insertions, 0 deletions

diff --git a/include/asm-mn10300/ptrace.h b/include/asm-mn10300/ptrace.h
new file mode 100644
index 000000000000..b3684689fcce
--- /dev/null
+++ b/include/asm-mn10300/ptrace.h
@@ -0,0 +1,99 @@
+/* MN10300 Exception frame layout and ptrace constants
+ *
+ * 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_PTRACE_H
+#define _ASM_PTRACE_H
+
+#define PT_A3		0
+#define PT_A2		1
+#define PT_D3		2
+#define	PT_D2		3
+#define PT_MCVF		4
+#define	PT_MCRL		5
+#define PT_MCRH		6
+#define	PT_MDRQ		7
+#define	PT_E1		8
+#define	PT_E0		9
+#define	PT_E7		10
+#define	PT_E6		11
+#define	PT_E5		12
+#define	PT_E4		13
+#define	PT_E3		14
+#define	PT_E2		15
+#define	PT_SP		16
+#define	PT_LAR		17
+#define	PT_LIR		18
+#define	PT_MDR		19
+#define	PT_A1		20
+#define	PT_A0		21
+#define	PT_D1		22
+#define	PT_D0		23
+#define PT_ORIG_D0	24
+#define	PT_EPSW		25
+#define	PT_PC		26
+#define NR_PTREGS	27
+
+#ifndef __ASSEMBLY__
+/*
+ * This defines the way registers are stored in the event of an exception
+ * - the strange order is due to the MOVM instruction
+ */
+struct pt_regs {
+	unsigned long		a3;		/* syscall arg 3 */
+	unsigned long		a2;		/* syscall arg 4 */
+	unsigned long		d3;		/* syscall arg 5 */
+	unsigned long		d2;		/* syscall arg 6 */
+	unsigned long		mcvf;
+	unsigned long		mcrl;
+	unsigned long		mcrh;
+	unsigned long		mdrq;
+	unsigned long		e1;
+	unsigned long		e0;
+	unsigned long		e7;
+	unsigned long		e6;
+	unsigned long		e5;
+	unsigned long		e4;
+	unsigned long		e3;
+	unsigned long		e2;
+	unsigned long		sp;
+	unsigned long		lar;
+	unsigned long		lir;
+	unsigned long		mdr;
+	unsigned long		a1;
+	unsigned long		a0;		/* syscall arg 1 */
+	unsigned long		d1;		/* syscall arg 2 */
+	unsigned long		d0;		/* syscall ret */
+	struct pt_regs		*next;		/* next frame pointer */
+	unsigned long		orig_d0;	/* syscall number */
+	unsigned long		epsw;
+	unsigned long		pc;
+};
+#endif
+
+extern struct pt_regs *__frame; /* current frame pointer */
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS            12
+#define PTRACE_SETREGS            13
+#define PTRACE_GETFPREGS          14
+#define PTRACE_SETFPREGS          15
+
+/* options set using PTRACE_SETOPTIONS */
+#define PTRACE_O_TRACESYSGOOD     0x00000001
+
+#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+#define user_mode(regs)			(((regs)->epsw & EPSW_nSL) == EPSW_nSL)
+#define instruction_pointer(regs)	((regs)->pc)
+extern void show_regs(struct pt_regs *);
+#endif
+
+#define profile_pc(regs) ((regs)->pc)
+
+#endif /* _ASM_PTRACE_H */