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 */