MN10300: And Panasonic AM34 subarch and implement SMP
Implement the Panasonic MN10300 AM34 CPU subarch and implement SMP support for
MN10300. Also implement support for the MN2WS0060 processor and the ASB2364
evaluation board which are AM34 based.
Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/arch/mn10300/proc-mn2ws0050/Makefile b/arch/mn10300/proc-mn2ws0050/Makefile
new file mode 100644
index 0000000..d4ca133
--- /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 0000000..cafd7b5
--- /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 0000000..fe4c0a4
--- /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 0000000..4c4319e
--- /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 0000000..a1e9772
--- /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 0000000..37777a8
--- /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 0000000..84448f3
--- /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 0000000..90d5cad
--- /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 0000000..22f277f
--- /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 0000000..c58249b
--- /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;
+}