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-rw-r--r--arch/mn10300/proc-mn2ws0050/Makefile5
-rw-r--r--arch/mn10300/proc-mn2ws0050/include/proc/cache.h48
-rw-r--r--arch/mn10300/proc-mn2ws0050/include/proc/clock.h20
-rw-r--r--arch/mn10300/proc-mn2ws0050/include/proc/dmactl-regs.h103
-rw-r--r--arch/mn10300/proc-mn2ws0050/include/proc/intctl-regs.h29
-rw-r--r--arch/mn10300/proc-mn2ws0050/include/proc/irq.h49
-rw-r--r--arch/mn10300/proc-mn2ws0050/include/proc/nand-regs.h120
-rw-r--r--arch/mn10300/proc-mn2ws0050/include/proc/proc.h18
-rw-r--r--arch/mn10300/proc-mn2ws0050/include/proc/smp-regs.h51
-rw-r--r--arch/mn10300/proc-mn2ws0050/proc-init.c134
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 000000000000..d4ca13309a85
--- /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 000000000000..cafd7b5b55b4
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h
@@ -0,0 +1,48 @@
+/* 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 */
+
+/*
+ * 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 000000000000..fe4c0a4a53a2
--- /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 000000000000..4c4319e241d1
--- /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 000000000000..a1e977273d19
--- /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 000000000000..37777a85ab6f
--- /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 000000000000..84448f3828b3
--- /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 000000000000..90d5cadd05bd
--- /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 000000000000..22f277fbb4de
--- /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 000000000000..c58249b9525a
--- /dev/null
+++ b/arch/mn10300/proc-mn2ws0050/proc-init.c
@@ -0,0 +1,134 @@
+/* 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/system.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/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;
+}