Initial import

10 files changed, 577 insertions, 0 deletions

diff --git a/arch/mn10300/proc-mn2ws0050/Makefile b/arch/mn10300/proc-mn2ws0050/Makefile
new file mode 100644
index 000000000..d4ca13309
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the linux kernel.
+#
+
+obj-y   := proc-init.o
diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
new file mode 100644
index 000000000..bcb5df2d8
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
@@ -0,0 +1,49 @@
+/* Cache specification
+ *
+ * Copyright (C) 2005 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * Modified by Matsushita Electric Industrial Co., Ltd.
+ * Modifications:
+ *  13-Nov-2006 MEI Add L1_CACHE_SHIFT_MAX definition.
+ *  29-Jul-2008 MEI Add define for MN10300_HAS_AREAPURGE_REG.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_PROC_CACHE_H
+#define _ASM_PROC_CACHE_H
+
+/*
+ * L1 cache
+ */
+#define L1_CACHE_NWAYS		4		/* number of ways in caches */
+#define L1_CACHE_NENTRIES	128		/* number of entries in each way */
+#define L1_CACHE_BYTES		32		/* bytes per entry */
+#define L1_CACHE_SHIFT		5		/* shift for bytes per entry */
+#define L1_CACHE_WAYDISP	0x1000		/* distance from one way to the next */
+
+#define L1_CACHE_TAG_VALID	0x00000001	/* cache tag valid bit */
+#define L1_CACHE_TAG_DIRTY	0x00000008	/* data cache tag dirty bit */
+#define L1_CACHE_TAG_ENTRY	0x00000fe0	/* cache tag entry address mask */
+#define L1_CACHE_TAG_ADDRESS	0xfffff000	/* cache tag line address mask */
+#define L1_CACHE_TAG_MASK	+(L1_CACHE_TAG_ADDRESS|L1_CACHE_TAG_ENTRY)
+
+/*
+ * specification of the interval between interrupt checking intervals whilst
+ * managing the cache with the interrupts disabled
+ */
+#define MN10300_DCACHE_INV_RANGE_INTR_LOG2_INTERVAL	4
+
+/*
+ * The size of range at which it becomes more economical to just flush the
+ * whole cache rather than trying to flush the specified range.
+ */
+#define MN10300_DCACHE_FLUSH_BORDER \
+	+(L1_CACHE_NWAYS * L1_CACHE_NENTRIES * L1_CACHE_BYTES)
+#define MN10300_DCACHE_FLUSH_INV_BORDER	\
+	+(L1_CACHE_NWAYS * L1_CACHE_NENTRIES * L1_CACHE_BYTES)
+
+#endif /* _ASM_PROC_CACHE_H */
diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/clock.h b/arch/mn10300/proc-mn2ws0050/include/proc/clock.h
new file mode 100644
index 000000000..fe4c0a4a5
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/clock.h
@@ -0,0 +1,20 @@
+/* clock.h: proc-specific clocks
+ *
+ * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * Modified by Matsushita Electric Industrial Co., Ltd.
+ * Modifications:
+ *  23-Feb-2007 MEI Delete define for watchdog timer.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_PROC_CLOCK_H
+#define _ASM_PROC_CLOCK_H
+
+#include <unit/clock.h>
+
+#endif /* _ASM_PROC_CLOCK_H */
diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/dmactl-regs.h b/arch/mn10300/proc-mn2ws0050/include/proc/dmactl-regs.h
new file mode 100644
index 000000000..4c4319e24
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/dmactl-regs.h
@@ -0,0 +1,103 @@
+/* MN2WS0050 on-board DMA controller registers
+ *
+ * Copyright (C) 2002 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 License
+ * version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef _ASM_PROC_DMACTL_REGS_H
+#define _ASM_PROC_DMACTL_REGS_H
+
+#include <asm/cpu-regs.h>
+
+#ifdef __KERNEL__
+
+/* DMA registers */
+#define	DMxCTR(N)		__SYSREG(0xd4005000+(N*0x100), u32)	/* control reg */
+#define	DMxCTR_BG		0x0000001f	/* transfer request source */
+#define	DMxCTR_BG_SOFT		0x00000000	/* - software source */
+#define	DMxCTR_BG_SC0TX		0x00000002	/* - serial port 0 transmission */
+#define	DMxCTR_BG_SC0RX		0x00000003	/* - serial port 0 reception */
+#define	DMxCTR_BG_SC1TX		0x00000004	/* - serial port 1 transmission */
+#define	DMxCTR_BG_SC1RX		0x00000005	/* - serial port 1 reception */
+#define	DMxCTR_BG_SC2TX		0x00000006	/* - serial port 2 transmission */
+#define	DMxCTR_BG_SC2RX		0x00000007	/* - serial port 2 reception */
+#define	DMxCTR_BG_TM0UFLOW	0x00000008	/* - timer 0 underflow */
+#define	DMxCTR_BG_TM1UFLOW	0x00000009	/* - timer 1 underflow */
+#define	DMxCTR_BG_TM2UFLOW	0x0000000a	/* - timer 2 underflow */
+#define	DMxCTR_BG_TM3UFLOW	0x0000000b	/* - timer 3 underflow */
+#define	DMxCTR_BG_TM6ACMPCAP	0x0000000c	/* - timer 6A compare/capture */
+#define	DMxCTR_BG_RYBY		0x0000000d	/* - NAND Flash RY/BY request source */
+#define	DMxCTR_BG_RMC		0x0000000e	/* - remote controller output */
+#define	DMxCTR_BG_XIRQ12	0x00000011	/* - XIRQ12 pin interrupt source */
+#define	DMxCTR_BG_XIRQ13	0x00000012	/* - XIRQ13 pin interrupt source */
+#define	DMxCTR_BG_TCK		0x00000014	/* - tick timer underflow */
+#define	DMxCTR_BG_SC4TX		0x00000019	/* - serial port4 transmission */
+#define	DMxCTR_BG_SC4RX		0x0000001a	/* - serial port4 reception */
+#define	DMxCTR_BG_SC5TX		0x0000001b	/* - serial port5 transmission */
+#define	DMxCTR_BG_SC5RX		0x0000001c	/* - serial port5 reception */
+#define	DMxCTR_BG_SC6TX		0x0000001d	/* - serial port6 transmission */
+#define	DMxCTR_BG_SC6RX		0x0000001e	/* - serial port6 reception */
+#define	DMxCTR_BG_TMSUFLOW	0x0000001f	/* - timestamp timer underflow */
+#define	DMxCTR_SAM		0x00000060	/* DMA transfer src addr mode */
+#define	DMxCTR_SAM_INCR		0x00000000	/* - increment */
+#define	DMxCTR_SAM_DECR		0x00000020	/* - decrement */
+#define	DMxCTR_SAM_FIXED	0x00000040	/* - fixed */
+#define	DMxCTR_DAM		0x00000300	/* DMA transfer dest addr mode */
+#define	DMxCTR_DAM_INCR		0x00000000	/* - increment */
+#define	DMxCTR_DAM_DECR		0x00000100	/* - decrement */
+#define	DMxCTR_DAM_FIXED	0x00000200	/* - fixed */
+#define	DMxCTR_UT		0x00006000	/* DMA transfer unit */
+#define	DMxCTR_UT_1		0x00000000	/* - 1 byte */
+#define	DMxCTR_UT_2		0x00002000	/* - 2 byte */
+#define	DMxCTR_UT_4		0x00004000	/* - 4 byte */
+#define	DMxCTR_UT_16		0x00006000	/* - 16 byte */
+#define DMxCTR_RRE		0x00008000	/* DMA round robin enable */
+#define	DMxCTR_TEN		0x00010000	/* DMA channel transfer enable */
+#define	DMxCTR_RQM		0x00060000	/* external request input source mode */
+#define	DMxCTR_RQM_FALLEDGE	0x00000000	/* - falling edge */
+#define	DMxCTR_RQM_RISEEDGE	0x00020000	/* - rising edge */
+#define	DMxCTR_RQM_LOLEVEL	0x00040000	/* - low level */
+#define	DMxCTR_RQM_HILEVEL	0x00060000	/* - high level */
+#define	DMxCTR_RQF		0x01000000	/* DMA transfer request flag */
+#define	DMxCTR_PERR		0x40000000	/* DMA transfer parameter error flag */
+#define	DMxCTR_XEND		0x80000000	/* DMA transfer end flag */
+
+#define	DMxSRC(N)		__SYSREG(0xd4005004+(N*0x100), u32)	/* control reg */
+
+#define	DMxDST(N)		__SYSREG(0xd4005008+(N*0x100), u32)	/* source addr reg */
+
+#define	DMxSIZ(N)		__SYSREG(0xd400500c+(N*0x100), u32)	/* dest addr reg */
+#define DMxSIZ_CT		0x000fffff	/* number of bytes to transfer */
+
+#define	DMxCYC(N)		__SYSREG(0xd4005010+(N*0x100), u32)	/* intermittent size reg */
+#define DMxCYC_CYC		0x000000ff	/* number of interrmittent transfers -1 */
+
+#define DM0IRQ			16		/* DMA channel 0 complete IRQ */
+#define DM1IRQ			17		/* DMA channel 1 complete IRQ */
+#define DM2IRQ			18		/* DMA channel 2 complete IRQ */
+#define DM3IRQ			19		/* DMA channel 3 complete IRQ */
+
+#define	DM0ICR			GxICR(DM0IRQ)	/* DMA channel 0 complete intr ctrl reg */
+#define	DM1ICR			GxICR(DM0IR1)	/* DMA channel 1 complete intr ctrl reg */
+#define	DM2ICR			GxICR(DM0IR2)	/* DMA channel 2 complete intr ctrl reg */
+#define	DM3ICR			GxICR(DM0IR3)	/* DMA channel 3 complete intr ctrl reg */
+
+#ifndef __ASSEMBLY__
+
+struct mn10300_dmactl_regs {
+	u32		ctr;
+	const void	*src;
+	void		*dst;
+	u32		siz;
+	u32		cyc;
+} __attribute__((aligned(0x100)));
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_PROC_DMACTL_REGS_H */
diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/intctl-regs.h b/arch/mn10300/proc-mn2ws0050/include/proc/intctl-regs.h
new file mode 100644
index 000000000..a1e977273
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/intctl-regs.h
@@ -0,0 +1,29 @@
+#ifndef _ASM_PROC_INTCTL_REGS_H
+#define _ASM_PROC_INTCTL_REGS_H
+
+#ifndef _ASM_INTCTL_REGS_H
+# error "please don't include this file directly"
+#endif
+
+/* intr acceptance group reg */
+#define IAGR			__SYSREG(0xd4000100, u16)
+
+/* group number register */
+#define IAGR_GN			0x003fc
+
+#define __GET_XIRQ_TRIGGER(X, Z) (((Z) >> ((X) * 2)) & 3)
+
+#define __SET_XIRQ_TRIGGER(X, Y, Z)		\
+({						\
+	typeof(Z) x = (Z);			\
+	x &= ~(3 << ((X) * 2));			\
+	x |= ((Y) & 3) << ((X) * 2);		\
+	(Z) = x;				\
+})
+
+/* external pin intr spec reg */
+#define EXTMD0			__SYSREG(0xd4000200, u32)
+#define GET_XIRQ_TRIGGER(X)	__GET_XIRQ_TRIGGER(X, EXTMD0)
+#define SET_XIRQ_TRIGGER(X, Y)	__SET_XIRQ_TRIGGER(X, Y, EXTMD0)
+
+#endif /* _ASM_PROC_INTCTL_REGS_H */
diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/irq.h b/arch/mn10300/proc-mn2ws0050/include/proc/irq.h
new file mode 100644
index 000000000..37777a85a
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/irq.h
@@ -0,0 +1,49 @@
+/* MN2WS0050 on-board interrupt controller registers
+ *
+ * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * Modified by Matsushita Electric Industrial Co., Ltd.
+ * Modifications:
+ *  13-Nov-2006 MEI Define extended IRQ number for SMP support.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _PROC_IRQ_H
+#define _PROC_IRQ_H
+
+#ifdef __KERNEL__
+
+#define GxICR_NUM_IRQS		163
+#ifdef CONFIG_SMP
+#define GxICR_NUM_EXT_IRQS	197
+#endif  /* CONFIG_SMP */
+
+#define GxICR_NUM_XIRQS		16
+
+#define XIRQ0		34
+#define XIRQ1		35
+#define XIRQ2		36
+#define XIRQ3		37
+#define XIRQ4		38
+#define XIRQ5		39
+#define XIRQ6		40
+#define XIRQ7		41
+#define XIRQ8		42
+#define XIRQ9		43
+#define XIRQ10		44
+#define XIRQ11		45
+#define XIRQ12		46
+#define XIRQ13		47
+#define XIRQ14		48
+#define XIRQ15		49
+
+#define XIRQ2IRQ(num)	(XIRQ0 + num)
+
+#endif /* __KERNEL__ */
+
+#endif /* _PROC_IRQ_H */
diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/nand-regs.h b/arch/mn10300/proc-mn2ws0050/include/proc/nand-regs.h
new file mode 100644
index 000000000..84448f382
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/nand-regs.h
@@ -0,0 +1,120 @@
+/* NAND flash interface register definitions
+ *
+ * Copyright (C) 2008-2009 Panasonic Corporation
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef	_PROC_NAND_REGS_H_
+#define	_PROC_NAND_REGS_H_
+
+/* command register */
+#define FCOMMAND_0		__SYSREG(0xd8f00000, u8) /* fcommand[24:31] */
+#define FCOMMAND_1		__SYSREG(0xd8f00001, u8) /* fcommand[16:23] */
+#define FCOMMAND_2		__SYSREG(0xd8f00002, u8) /* fcommand[8:15] */
+#define FCOMMAND_3		__SYSREG(0xd8f00003, u8) /* fcommand[0:7] */
+
+/* for dma 16 byte trans, use FCOMMAND2 register */
+#define FCOMMAND2_0		__SYSREG(0xd8f00110, u8) /* fcommand2[24:31] */
+#define FCOMMAND2_1		__SYSREG(0xd8f00111, u8) /* fcommand2[16:23] */
+#define FCOMMAND2_2		__SYSREG(0xd8f00112, u8) /* fcommand2[8:15] */
+#define FCOMMAND2_3		__SYSREG(0xd8f00113, u8) /* fcommand2[0:7] */
+
+#define FCOMMAND_FIEN		0x80		/* nand flash I/F enable */
+#define FCOMMAND_BW_8BIT	0x00		/* 8bit bus width */
+#define FCOMMAND_BW_16BIT	0x40		/* 16bit bus width */
+#define FCOMMAND_BLOCKSZ_SMALL	0x00		/* small block */
+#define FCOMMAND_BLOCKSZ_LARGE	0x20		/* large block */
+#define FCOMMAND_DMASTART	0x10		/* dma start */
+#define FCOMMAND_RYBY		0x08		/* ready/busy flag */
+#define FCOMMAND_RYBYINTMSK	0x04		/* mask ready/busy interrupt */
+#define FCOMMAND_XFWP		0x02		/* write protect enable */
+#define FCOMMAND_XFCE		0x01		/* flash device disable */
+#define FCOMMAND_SEQKILL	0x10		/* stop seq-read */
+#define FCOMMAND_ANUM		0x07		/* address cycle */
+#define FCOMMAND_ANUM_NONE	0x00		/* address cycle none */
+#define FCOMMAND_ANUM_1CYC	0x01		/* address cycle 1cycle */
+#define FCOMMAND_ANUM_2CYC	0x02		/* address cycle 2cycle */
+#define FCOMMAND_ANUM_3CYC	0x03		/* address cycle 3cycle */
+#define FCOMMAND_ANUM_4CYC	0x04		/* address cycle 4cycle */
+#define FCOMMAND_ANUM_5CYC	0x05		/* address cycle 5cycle */
+#define FCOMMAND_FCMD_READ0	0x00		/* read1 command */
+#define FCOMMAND_FCMD_SEQIN	0x80		/* page program 1st command */
+#define FCOMMAND_FCMD_PAGEPROG	0x10		/* page program 2nd command */
+#define FCOMMAND_FCMD_RESET	0xff		/* reset command */
+#define FCOMMAND_FCMD_ERASE1	0x60		/* erase 1st command */
+#define FCOMMAND_FCMD_ERASE2	0xd0		/* erase 2nd command */
+#define FCOMMAND_FCMD_STATUS	0x70		/* read status command */
+#define FCOMMAND_FCMD_READID	0x90		/* read id command */
+#define FCOMMAND_FCMD_READOOB	0x50		/* read3 command */
+/* address register */
+#define FADD			__SYSREG(0xd8f00004, u32)
+/* address register 2 */
+#define FADD2			__SYSREG(0xd8f00008, u32)
+/* error judgement register */
+#define FJUDGE			__SYSREG(0xd8f0000c, u32)
+#define FJUDGE_NOERR		0x0		/* no error */
+#define FJUDGE_1BITERR		0x1		/* 1bit error in data area */
+#define FJUDGE_PARITYERR	0x2		/* parity error */
+#define FJUDGE_UNCORRECTABLE	0x3		/* uncorrectable error */
+#define FJUDGE_ERRJDG_MSK	0x3		/* mask of judgement result */
+/* 1st ECC store register */
+#define FECC11			__SYSREG(0xd8f00010, u32)
+/* 2nd ECC store register */
+#define FECC12			__SYSREG(0xd8f00014, u32)
+/* 3rd ECC store register */
+#define FECC21			__SYSREG(0xd8f00018, u32)
+/* 4th ECC store register */
+#define FECC22			__SYSREG(0xd8f0001c, u32)
+/* 5th ECC store register */
+#define FECC31			__SYSREG(0xd8f00020, u32)
+/* 6th ECC store register */
+#define FECC32			__SYSREG(0xd8f00024, u32)
+/* 7th ECC store register */
+#define FECC41			__SYSREG(0xd8f00028, u32)
+/* 8th ECC store register */
+#define FECC42			__SYSREG(0xd8f0002c, u32)
+/* data register */
+#define FDATA			__SYSREG(0xd8f00030, u32)
+/* access pulse register */
+#define FPWS			__SYSREG(0xd8f00100, u32)
+#define FPWS_PWS1W_2CLK		0x00000000 /* write pulse width 1clock */
+#define FPWS_PWS1W_3CLK		0x01000000 /* write pulse width 2clock */
+#define FPWS_PWS1W_4CLK		0x02000000 /* write pulse width 4clock */
+#define FPWS_PWS1W_5CLK		0x03000000 /* write pulse width 5clock */
+#define FPWS_PWS1W_6CLK		0x04000000 /* write pulse width 6clock */
+#define FPWS_PWS1W_7CLK		0x05000000 /* write pulse width 7clock */
+#define FPWS_PWS1W_8CLK		0x06000000 /* write pulse width 8clock */
+#define FPWS_PWS1R_3CLK		0x00010000 /* read pulse width 3clock */
+#define FPWS_PWS1R_4CLK		0x00020000 /* read pulse width 4clock */
+#define FPWS_PWS1R_5CLK		0x00030000 /* read pulse width 5clock */
+#define FPWS_PWS1R_6CLK		0x00040000 /* read pulse width 6clock */
+#define FPWS_PWS1R_7CLK		0x00050000 /* read pulse width 7clock */
+#define FPWS_PWS1R_8CLK		0x00060000 /* read pulse width 8clock */
+#define FPWS_PWS2W_2CLK		0x00000100 /* write pulse interval 2clock */
+#define FPWS_PWS2W_3CLK		0x00000200 /* write pulse interval 3clock */
+#define FPWS_PWS2W_4CLK		0x00000300 /* write pulse interval 4clock */
+#define FPWS_PWS2W_5CLK		0x00000400 /* write pulse interval 5clock */
+#define FPWS_PWS2W_6CLK		0x00000500 /* write pulse interval 6clock */
+#define FPWS_PWS2R_2CLK		0x00000001 /* read pulse interval 2clock */
+#define FPWS_PWS2R_3CLK		0x00000002 /* read pulse interval 3clock */
+#define FPWS_PWS2R_4CLK		0x00000003 /* read pulse interval 4clock */
+#define FPWS_PWS2R_5CLK		0x00000004 /* read pulse interval 5clock */
+#define FPWS_PWS2R_6CLK		0x00000005 /* read pulse interval 6clock */
+/* command register 2 */
+#define FCOMMAND2		__SYSREG(0xd8f00110, u32)
+/* transfer frequency register */
+#define FNUM			__SYSREG(0xd8f00114, u32)
+#define FSDATA_ADDR		0xd8f00400
+/* active data register */
+#define FSDATA			__SYSREG(FSDATA_ADDR, u32)
+
+#endif /* _PROC_NAND_REGS_H_ */
diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/proc.h b/arch/mn10300/proc-mn2ws0050/include/proc/proc.h
new file mode 100644
index 000000000..90d5cadd0
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/proc.h
@@ -0,0 +1,18 @@
+/* proc.h: MN2WS0050 processor description
+ *
+ * Copyright (C) 2002 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 License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_PROC_PROC_H
+#define _ASM_PROC_PROC_H
+
+#define PROCESSOR_VENDOR_NAME	"Panasonic"
+#define PROCESSOR_MODEL_NAME	"mn2ws0050"
+
+#endif /* _ASM_PROC_PROC_H */
diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/smp-regs.h b/arch/mn10300/proc-mn2ws0050/include/proc/smp-regs.h
new file mode 100644
index 000000000..22f277fbb
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/smp-regs.h
@@ -0,0 +1,51 @@
+/* MN10300/AM33v2 Microcontroller SMP registers
+ *
+ * Copyright (C) 2006 Matsushita Electric Industrial Co., Ltd.
+ * All Rights Reserved.
+ * Created:
+ *  13-Nov-2006 MEI Add extended cache and atomic operation register
+ *                  for SMP support.
+ *  23-Feb-2007 MEI Add define for gdbstub SMP.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_PROC_SMP_REGS_H
+#define _ASM_PROC_SMP_REGS_H
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#endif
+#include <asm/cpu-regs.h>
+
+/*
+ * Reference to the interrupt controllers of other CPUs
+ */
+#define CROSS_ICR_CPU_SHIFT	16
+
+#define CROSS_GxICR(X, CPU)	__SYSREG(0xc4000000 + (X) * 4 + \
+	((X) >= 64 && (X) < 192) * 0xf00 + ((CPU) << CROSS_ICR_CPU_SHIFT), u16)
+#define CROSS_GxICR_u8(X, CPU)	__SYSREG(0xc4000000 + (X) * 4 +		\
+	(((X) >= 64) && ((X) < 192)) * 0xf00 + ((CPU) << CROSS_ICR_CPU_SHIFT), u8)
+
+/* CPU ID register */
+#define CPUID		__SYSREGC(0xc0000054, u32)
+#define CPUID_MASK	0x00000007	/* CPU ID mask */
+
+/* extended cache control register */
+#define ECHCTR		__SYSREG(0xc0000c20, u32)
+#define ECHCTR_IBCM	0x00000001	/* instruction cache broad cast mask */
+#define ECHCTR_DBCM	0x00000002	/* data cache broad cast mask */
+#define ECHCTR_ISPM	0x00000004	/* instruction cache snoop mask */
+#define ECHCTR_DSPM	0x00000008	/* data cache snoop mask */
+
+#define NMIAGR		__SYSREG(0xd400013c, u16)
+#define NMIAGR_GN	0x03fc
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_PROC_SMP_REGS_H */
diff --git a/arch/mn10300/proc-mn2ws0050/proc-init.c b/arch/mn10300/proc-mn2ws0050/proc-init.c
new file mode 100644
index 000000000..ee6d03dbc
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/proc-init.c
@@ -0,0 +1,133 @@
+/* MN2WS0050 processor initialisation
+ *
+ * Copyright (C) 2005 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 License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+
+#include <asm/processor.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <linux/atomic.h>
+#include <asm/smp.h>
+#include <asm/pgalloc.h>
+#include <asm/busctl-regs.h>
+#include <unit/timex.h>
+#include <asm/fpu.h>
+#include <asm/rtc.h>
+
+#define MEMCONF __SYSREGC(0xdf800400, u32)
+
+/*
+ * initialise the on-silicon processor peripherals
+ */
+asmlinkage void __init processor_init(void)
+{
+	int loop;
+
+	/* set up the exception table first */
+	for (loop = 0x000; loop < 0x400; loop += 8)
+		__set_intr_stub(loop, __common_exception);
+
+	__set_intr_stub(EXCEP_ITLBMISS,		itlb_miss);
+	__set_intr_stub(EXCEP_DTLBMISS,		dtlb_miss);
+	__set_intr_stub(EXCEP_IAERROR,		itlb_aerror);
+	__set_intr_stub(EXCEP_DAERROR,		dtlb_aerror);
+	__set_intr_stub(EXCEP_BUSERROR,		raw_bus_error);
+	__set_intr_stub(EXCEP_DOUBLE_FAULT,	double_fault);
+	__set_intr_stub(EXCEP_FPU_DISABLED,	fpu_disabled);
+	__set_intr_stub(EXCEP_SYSCALL0,		system_call);
+
+	__set_intr_stub(EXCEP_NMI,		nmi_handler);
+	__set_intr_stub(EXCEP_WDT,		nmi_handler);
+	__set_intr_stub(EXCEP_IRQ_LEVEL0,	irq_handler);
+	__set_intr_stub(EXCEP_IRQ_LEVEL1,	irq_handler);
+	__set_intr_stub(EXCEP_IRQ_LEVEL2,	irq_handler);
+	__set_intr_stub(EXCEP_IRQ_LEVEL3,	irq_handler);
+	__set_intr_stub(EXCEP_IRQ_LEVEL4,	irq_handler);
+	__set_intr_stub(EXCEP_IRQ_LEVEL5,	irq_handler);
+	__set_intr_stub(EXCEP_IRQ_LEVEL6,	irq_handler);
+
+	IVAR0 = EXCEP_IRQ_LEVEL0;
+	IVAR1 = EXCEP_IRQ_LEVEL1;
+	IVAR2 = EXCEP_IRQ_LEVEL2;
+	IVAR3 = EXCEP_IRQ_LEVEL3;
+	IVAR4 = EXCEP_IRQ_LEVEL4;
+	IVAR5 = EXCEP_IRQ_LEVEL5;
+	IVAR6 = EXCEP_IRQ_LEVEL6;
+
+#ifndef CONFIG_MN10300_HAS_CACHE_SNOOP
+	mn10300_dcache_flush_inv();
+	mn10300_icache_inv();
+#endif
+
+	/* disable all interrupts and set to priority 6 (lowest) */
+#ifdef	CONFIG_SMP
+	for (loop = 0; loop < GxICR_NUM_IRQS; loop++)
+		GxICR(loop) = GxICR_LEVEL_6 | GxICR_DETECT;
+#else	/* !CONFIG_SMP */
+	for (loop = 0; loop < NR_IRQS; loop++)
+		GxICR(loop) = GxICR_LEVEL_6 | GxICR_DETECT;
+#endif	/* !CONFIG_SMP */
+
+	/* clear the timers */
+	TM0MD	= 0;
+	TM1MD	= 0;
+	TM2MD	= 0;
+	TM3MD	= 0;
+	TM4MD	= 0;
+	TM5MD	= 0;
+	TM6MD	= 0;
+	TM6MDA	= 0;
+	TM6MDB	= 0;
+	TM7MD	= 0;
+	TM8MD	= 0;
+	TM9MD	= 0;
+	TM10MD	= 0;
+	TM11MD	= 0;
+	TM12MD	= 0;
+	TM13MD	= 0;
+	TM14MD	= 0;
+	TM15MD	= 0;
+
+	calibrate_clock();
+}
+
+/*
+ * determine the memory size and base from the memory controller regs
+ */
+void __init get_mem_info(unsigned long *mem_base, unsigned long *mem_size)
+{
+	unsigned long memconf = MEMCONF;
+	unsigned long size = 0; /* order: MByte */
+
+	*mem_base = 0x90000000; /* fixed address */
+
+	switch (memconf & 0x00000003) {
+	case 0x01:
+		size = 256 / 8;		/* 256 Mbit per chip */
+		break;
+	case 0x02:
+		size = 512 / 8;		/* 512 Mbit per chip */
+		break;
+	case 0x03:
+		size = 1024 / 8;	/*   1 Gbit per chip */
+		break;
+	default:
+		panic("Invalid SDRAM size");
+		break;
+	}
+
+	printk(KERN_INFO "DDR2-SDRAM: %luMB x 2 @%08lx\n", size, *mem_base);
+
+	*mem_size = (size * 2) << 20;
+}