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, 86 insertions, 0 deletions

diff --git a/include/asm-mn10300/rtc-regs.h b/include/asm-mn10300/rtc-regs.h
new file mode 100644
index 000000000000..c42deefaec11
--- /dev/null
+++ b/include/asm-mn10300/rtc-regs.h
@@ -0,0 +1,86 @@
+/* MN10300 on-chip Real-Time Clock registers
+ *
+ * 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_RTC_REGS_H
+#define _ASM_RTC_REGS_H
+
+#include <asm/intctl-regs.h>
+
+#ifdef __KERNEL__
+
+#define RTSCR			__SYSREG(0xd8600000, u8) /* RTC seconds count reg */
+#define RTSAR			__SYSREG(0xd8600001, u8) /* RTC seconds alarm reg */
+#define RTMCR			__SYSREG(0xd8600002, u8) /* RTC minutes count reg */
+#define RTMAR			__SYSREG(0xd8600003, u8) /* RTC minutes alarm reg */
+#define RTHCR			__SYSREG(0xd8600004, u8) /* RTC hours count reg */
+#define RTHAR			__SYSREG(0xd8600005, u8) /* RTC hours alarm reg */
+#define RTDWCR			__SYSREG(0xd8600006, u8) /* RTC day of the week count reg */
+#define RTDMCR			__SYSREG(0xd8600007, u8) /* RTC days count reg */
+#define RTMTCR			__SYSREG(0xd8600008, u8) /* RTC months count reg */
+#define RTYCR			__SYSREG(0xd8600009, u8) /* RTC years count reg */
+
+#define RTCRA			__SYSREG(0xd860000a, u8)/* RTC control reg A */
+#define RTCRA_RS		0x0f	/* periodic timer interrupt cycle setting */
+#define RTCRA_RS_NONE		0x00	/* - off */
+#define RTCRA_RS_3_90625ms	0x01	/* - 3.90625ms	(1/256s) */
+#define RTCRA_RS_7_8125ms	0x02	/* - 7.8125ms	(1/128s) */
+#define RTCRA_RS_122_070us	0x03	/* - 122.070us	(1/8192s) */
+#define RTCRA_RS_244_141us	0x04	/* - 244.141us	(1/4096s) */
+#define RTCRA_RS_488_281us	0x05	/* - 488.281us	(1/2048s) */
+#define RTCRA_RS_976_5625us	0x06	/* - 976.5625us	(1/1024s) */
+#define RTCRA_RS_1_953125ms	0x07	/* - 1.953125ms	(1/512s) */
+#define RTCRA_RS_3_90624ms	0x08	/* - 3.90624ms	(1/256s) */
+#define RTCRA_RS_7_8125ms_b	0x09	/* - 7.8125ms	(1/128s) */
+#define RTCRA_RS_15_625ms	0x0a	/* - 15.625ms	(1/64s) */
+#define RTCRA_RS_31_25ms	0x0b	/* - 31.25ms	(1/32s) */
+#define RTCRA_RS_62_5ms		0x0c	/* - 62.5ms	(1/16s) */
+#define RTCRA_RS_125ms		0x0d	/* - 125ms	(1/8s) */
+#define RTCRA_RS_250ms		0x0e	/* - 250ms	(1/4s) */
+#define RTCRA_RS_500ms		0x0f	/* - 500ms	(1/2s) */
+#define RTCRA_DVR		0x40	/* divider reset */
+#define RTCRA_UIP		0x80	/* clock update flag */
+
+#define RTCRB			__SYSREG(0xd860000b, u8) /* RTC control reg B */
+#define RTCRB_DSE		0x01	/* daylight savings time enable */
+#define RTCRB_TM		0x02	/* time format */
+#define RTCRB_TM_12HR		0x00	/* - 12 hour format */
+#define RTCRB_TM_24HR		0x02	/* - 24 hour format */
+#define RTCRB_DM		0x04	/* numeric value format */
+#define RTCRB_DM_BCD		0x00	/* - BCD */
+#define RTCRB_DM_BINARY		0x04	/* - binary */
+#define RTCRB_UIE		0x10	/* update interrupt disable */
+#define RTCRB_AIE		0x20	/* alarm interrupt disable */
+#define RTCRB_PIE		0x40	/* periodic interrupt disable */
+#define RTCRB_SET		0x80	/* clock update enable */
+
+#define RTSRC			__SYSREG(0xd860000c, u8) /* RTC status reg C */
+#define RTSRC_UF		0x10	/* update end interrupt flag */
+#define RTSRC_AF		0x20	/* alarm interrupt flag */
+#define RTSRC_PF		0x40	/* periodic interrupt flag */
+#define RTSRC_IRQF		0x80	/* interrupt flag */
+
+#define RTIRQ			32
+#define RTICR			GxICR(RTIRQ)
+
+/*
+ * MC146818 RTC compatibility defs for the MN10300 on-chip RTC
+ */
+#define RTC_PORT(x)		0xd8600000
+#define RTC_ALWAYS_BCD		1	/* RTC operates in binary mode */
+
+#define CMOS_READ(addr)		__SYSREG(0xd8600000 + (addr), u8)
+#define CMOS_WRITE(val, addr)	\
+	do { __SYSREG(0xd8600000 + (addr), u8) = val; } while (0)
+
+#define RTC_IRQ			RTIRQ
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_RTC_REGS_H */