mn10300: Remove the architecture

Remove the MN10300 arch as the hardware is defunct.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>
cc: linux-am33-list@redhat.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

12 files changed, 0 insertions, 1056 deletions

diff --git a/arch/mn10300/unit-asb2364/Makefile b/arch/mn10300/unit-asb2364/Makefile
deleted file mode 100644
index b3263ecfc4ff..000000000000
--- a/arch/mn10300/unit-asb2364/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-#
-# Makefile for the linux kernel.
-#
-# Note! Dependencies are done automagically by 'make dep', which also
-# removes any old dependencies. DON'T put your own dependencies here
-# unless it's something special (ie not a .c file).
-#
-# Note 2! The CFLAGS definitions are now in the main makefile...
-
-obj-y   := unit-init.o leds.o irq-fpga.o
-
-obj-$(CONFIG_SMSC911X) += smsc911x.o
diff --git a/arch/mn10300/unit-asb2364/include/unit/clock.h b/arch/mn10300/unit-asb2364/include/unit/clock.h
deleted file mode 100644
index d34ac9a7508b..000000000000
--- a/arch/mn10300/unit-asb2364/include/unit/clock.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* clock.h: unit-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 Add 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_UNIT_CLOCK_H
-#define _ASM_UNIT_CLOCK_H
-
-#ifndef __ASSEMBLY__
-
-#define MN10300_IOCLK		100000000UL		/* for DDR800 */
-/*#define MN10300_IOCLK		83333333UL */		/* for DDR667 */
-#define MN10300_IOBCLK		MN10300_IOCLK		/* IOBCLK is equal to IOCLK */
-
-#endif /* !__ASSEMBLY__ */
-
-#define MN10300_WDCLK		27000000UL
-
-#endif /* _ASM_UNIT_CLOCK_H */
diff --git a/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h b/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h
deleted file mode 100644
index 2901ed344b3d..000000000000
--- a/arch/mn10300/unit-asb2364/include/unit/fpga-regs.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* ASB2364 FPGA registers
- */
-
-#ifndef _ASM_UNIT_FPGA_REGS_H
-#define _ASM_UNIT_FPGA_REGS_H
-
-#include <asm/cpu-regs.h>
-
-#ifdef __KERNEL__
-
-#define ASB2364_FPGA_REG_RESET_LAN	__SYSREG(0xa9001300, u16)
-#define ASB2364_FPGA_REG_RESET_UART	__SYSREG(0xa9001304, u16)
-#define ASB2364_FPGA_REG_RESET_I2C	__SYSREG(0xa9001308, u16)
-#define ASB2364_FPGA_REG_RESET_USB	__SYSREG(0xa900130c, u16)
-#define ASB2364_FPGA_REG_RESET_AV	__SYSREG(0xa9001310, u16)
-
-#define ASB2364_FPGA_REG_IRQ(X)		__SYSREG(0xa9001510+((X)*4), u16)
-#define ASB2364_FPGA_REG_IRQ_LAN	ASB2364_FPGA_REG_IRQ(0)
-#define ASB2364_FPGA_REG_IRQ_UART	ASB2364_FPGA_REG_IRQ(1)
-#define ASB2364_FPGA_REG_IRQ_I2C	ASB2364_FPGA_REG_IRQ(2)
-#define ASB2364_FPGA_REG_IRQ_USB	ASB2364_FPGA_REG_IRQ(3)
-#define ASB2364_FPGA_REG_IRQ_FPGA	ASB2364_FPGA_REG_IRQ(5)
-
-#define ASB2364_FPGA_REG_MASK(X)	__SYSREG(0xa9001590+((X)*4), u16)
-#define ASB2364_FPGA_REG_MASK_LAN	ASB2364_FPGA_REG_MASK(0)
-#define ASB2364_FPGA_REG_MASK_UART	ASB2364_FPGA_REG_MASK(1)
-#define ASB2364_FPGA_REG_MASK_I2C	ASB2364_FPGA_REG_MASK(2)
-#define ASB2364_FPGA_REG_MASK_USB	ASB2364_FPGA_REG_MASK(3)
-#define ASB2364_FPGA_REG_MASK_FPGA	ASB2364_FPGA_REG_MASK(5)
-
-#define ASB2364_FPGA_REG_CPLD5_SET1	__SYSREG(0xa9002500, u16)
-#define ASB2364_FPGA_REG_CPLD5_SET2	__SYSREG(0xa9002504, u16)
-#define ASB2364_FPGA_REG_CPLD6_SET1	__SYSREG(0xa9002600, u16)
-#define ASB2364_FPGA_REG_CPLD6_SET2	__SYSREG(0xa9002604, u16)
-#define ASB2364_FPGA_REG_CPLD7_SET1	__SYSREG(0xa9002700, u16)
-#define ASB2364_FPGA_REG_CPLD7_SET2	__SYSREG(0xa9002704, u16)
-#define ASB2364_FPGA_REG_CPLD8_SET1	__SYSREG(0xa9002800, u16)
-#define ASB2364_FPGA_REG_CPLD8_SET2	__SYSREG(0xa9002804, u16)
-#define ASB2364_FPGA_REG_CPLD9_SET1	__SYSREG(0xa9002900, u16)
-#define ASB2364_FPGA_REG_CPLD9_SET2	__SYSREG(0xa9002904, u16)
-#define ASB2364_FPGA_REG_CPLD10_SET1	__SYSREG(0xa9002a00, u16)
-#define ASB2364_FPGA_REG_CPLD10_SET2	__SYSREG(0xa9002a04, u16)
-
-#define SyncExBus()					\
-	do {						\
-		unsigned short w;			\
-		w = *(volatile short *)0xa9000000;	\
-	} while (0)
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_UNIT_FPGA_REGS_H */
diff --git a/arch/mn10300/unit-asb2364/include/unit/irq.h b/arch/mn10300/unit-asb2364/include/unit/irq.h
deleted file mode 100644
index 786148e46565..000000000000
--- a/arch/mn10300/unit-asb2364/include/unit/irq.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* ASB2364 FPGA irq numbers
- *
- * Copyright (C) 2010 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 _UNIT_IRQ_H
-#define _UNIT_IRQ_H
-
-#ifndef __ASSEMBLY__
-
-#ifdef CONFIG_SMP
-#define NR_CPU_IRQS	GxICR_NUM_EXT_IRQS
-#else
-#define NR_CPU_IRQS	GxICR_NUM_IRQS
-#endif
-
-enum {
-	FPGA_LAN_IRQ	= NR_CPU_IRQS,
-	FPGA_UART_IRQ,
-	FPGA_I2C_IRQ,
-	FPGA_USB_IRQ,
-	FPGA_RESERVED_IRQ,
-	FPGA_FPGA_IRQ,
-	NR_IRQS
-};
-
-extern void __init irq_fpga_init(void);
-
-#endif /* !__ASSEMBLY__ */
-#endif /* _UNIT_IRQ_H */
diff --git a/arch/mn10300/unit-asb2364/include/unit/leds.h b/arch/mn10300/unit-asb2364/include/unit/leds.h
deleted file mode 100644
index 03a3933ad323..000000000000
--- a/arch/mn10300/unit-asb2364/include/unit/leds.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Unit-specific leds
- *
- * 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.
- */
-
-#ifndef _ASM_UNIT_LEDS_H
-#define _ASM_UNIT_LEDS_H
-
-#include <asm/pio-regs.h>
-#include <asm/cpu-regs.h>
-#include <asm/exceptions.h>
-
-#define MN10300_USE_7SEGLEDS	0
-
-#define ASB2364_7SEGLEDS	__SYSREG(0xA9001630, u32)
-
-/*
- * use the 7-segment LEDs to indicate states
- */
-
-#if MN10300_USE_7SEGLEDS
-/* flip the 7-segment LEDs between "Gdb-" and "----" */
-#define mn10300_set_gdbleds(ONOFF)					\
-	do {								\
-		ASB2364_7SEGLEDS = (ONOFF) ? 0x8543077f : 0x7f7f7f7f;	\
-	} while (0)
-#else
-#define mn10300_set_gdbleds(ONOFF) do {} while (0)
-#endif
-
-#if MN10300_USE_7SEGLEDS
-/* indicate double-fault by displaying "db-f" on the LEDs */
-#define mn10300_set_dbfleds			\
-	mov	0x43077f1d,d0		;	\
-	mov	d0,(ASB2364_7SEGLEDS)
-#else
-#define mn10300_set_dbfleds
-#endif
-
-#ifndef __ASSEMBLY__
-extern void peripheral_leds_display_exception(enum exception_code);
-extern void peripheral_leds_led_chase(void);
-extern void peripheral_leds7x4_display_dec(unsigned int, unsigned int);
-extern void peripheral_leds7x4_display_hex(unsigned int, unsigned int);
-extern void debug_to_serial(const char *, int);
-#endif /* __ASSEMBLY__ */
-
-#endif /* _ASM_UNIT_LEDS_H */
diff --git a/arch/mn10300/unit-asb2364/include/unit/serial.h b/arch/mn10300/unit-asb2364/include/unit/serial.h
deleted file mode 100644
index 92f224a97efc..000000000000
--- a/arch/mn10300/unit-asb2364/include/unit/serial.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/* Unit-specific 8250 serial ports
- *
- * 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.
- */
-
-#ifndef _ASM_UNIT_SERIAL_H
-#define _ASM_UNIT_SERIAL_H
-
-#include <asm/cpu-regs.h>
-#include <proc/irq.h>
-#include <unit/fpga-regs.h>
-#include <linux/serial_reg.h>
-
-#define SERIAL_PORT0_BASE_ADDRESS	0xA8200000
-
-#define SERIAL_IRQ	XIRQ1	/* single serial (TL16C550C)	(Lo) */
-
-/*
- * The ASB2364 has an 12.288 MHz clock
- * for your UART.
- *
- * It'd be nice if someone built a serial card with a 24.576 MHz
- * clock, since the 16550A is capable of handling a top speed of 1.5
- * megabits/second; but this requires the faster clock.
- */
-#define BASE_BAUD (12288000 / 16)
-
-/*
- * dispose of the /dev/ttyS0 and /dev/ttyS1 serial ports
- */
-#ifndef CONFIG_GDBSTUB_ON_TTYSx
-
-#define SERIAL_PORT_DFNS						\
-	{								\
-		.baud_base	= BASE_BAUD,				\
-		.irq		= SERIAL_IRQ,				\
-		.flags		= STD_COM_FLAGS,			\
-		.iomem_base	= (u8 *) SERIAL_PORT0_BASE_ADDRESS,	\
-		.iomem_reg_shift = 1,					\
-		.io_type	= SERIAL_IO_MEM,			\
-	},
-
-#ifndef __ASSEMBLY__
-
-static inline void __debug_to_serial(const char *p, int n)
-{
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#else /* CONFIG_GDBSTUB_ON_TTYSx */
-
-#define SERIAL_PORT_DFNS /* stolen by gdb-stub */
-
-#if defined(CONFIG_GDBSTUB_ON_TTYS0)
-#define GDBPORT_SERIAL_RX	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_RX  * 2, u8)
-#define GDBPORT_SERIAL_TX	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX  * 2, u8)
-#define GDBPORT_SERIAL_DLL	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLL * 2, u8)
-#define GDBPORT_SERIAL_DLM	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLM * 2, u8)
-#define GDBPORT_SERIAL_IER	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 2, u8)
-#define GDBPORT_SERIAL_IIR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IIR * 2, u8)
-#define GDBPORT_SERIAL_FCR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_FCR * 2, u8)
-#define GDBPORT_SERIAL_LCR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LCR * 2, u8)
-#define GDBPORT_SERIAL_MCR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 2, u8)
-#define GDBPORT_SERIAL_LSR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 2, u8)
-#define GDBPORT_SERIAL_MSR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 2, u8)
-#define GDBPORT_SERIAL_SCR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_SCR * 2, u8)
-#define GDBPORT_SERIAL_IRQ	SERIAL_IRQ
-
-#elif defined(CONFIG_GDBSTUB_ON_TTYS1)
-#error The ASB2364 does not have a /dev/ttyS1
-#endif
-
-#ifndef __ASSEMBLY__
-
-static inline void __debug_to_serial(const char *p, int n)
-{
-	char ch;
-
-#define LSR_WAIT_FOR(STATE)	\
-	do {} while (!(GDBPORT_SERIAL_LSR & UART_LSR_##STATE))
-#define FLOWCTL_QUERY(LINE)	\
-	({ GDBPORT_SERIAL_MSR & UART_MSR_##LINE; })
-#define FLOWCTL_WAIT_FOR(LINE)	\
-	do {} while (!(GDBPORT_SERIAL_MSR & UART_MSR_##LINE))
-#define FLOWCTL_CLEAR(LINE)	\
-	do { GDBPORT_SERIAL_MCR &= ~UART_MCR_##LINE; } while (0)
-#define FLOWCTL_SET(LINE)	\
-	do { GDBPORT_SERIAL_MCR |= UART_MCR_##LINE; } while (0)
-
-	FLOWCTL_SET(DTR);
-
-	for (; n > 0; n--) {
-		LSR_WAIT_FOR(THRE);
-		FLOWCTL_WAIT_FOR(CTS);
-
-		ch = *p++;
-		if (ch == 0x0a) {
-			GDBPORT_SERIAL_TX = 0x0d;
-			LSR_WAIT_FOR(THRE);
-			FLOWCTL_WAIT_FOR(CTS);
-		}
-		GDBPORT_SERIAL_TX = ch;
-	}
-
-	FLOWCTL_CLEAR(DTR);
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* CONFIG_GDBSTUB_ON_TTYSx */
-
-#define SERIAL_INITIALIZE					\
-do {								\
-	/* release reset */					\
-	ASB2364_FPGA_REG_RESET_UART = 0x0001;			\
-	SyncExBus();						\
-} while (0)
-
-#define SERIAL_CHECK_INTERRUPT					\
-do {								\
-	if ((ASB2364_FPGA_REG_IRQ_UART & 0x0001) == 0x0001) {	\
-		return IRQ_NONE;				\
-	}							\
-} while (0)
-
-#define SERIAL_CLEAR_INTERRUPT					\
-do {								\
-	ASB2364_FPGA_REG_IRQ_UART = 0x0001;			\
-	SyncExBus();						\
-} while (0)
-
-#define SERIAL_SET_INT_MASK					\
-do {								\
-	ASB2364_FPGA_REG_MASK_UART = 0x0001;			\
-	SyncExBus();						\
-} while (0)
-
-#define SERIAL_CLEAR_INT_MASK					\
-do {								\
-	ASB2364_FPGA_REG_MASK_UART = 0x0000;			\
-	SyncExBus();						\
-} while (0)
-
-#endif /* _ASM_UNIT_SERIAL_H */
diff --git a/arch/mn10300/unit-asb2364/include/unit/smsc911x.h b/arch/mn10300/unit-asb2364/include/unit/smsc911x.h
deleted file mode 100644
index 4c1ede535fa9..000000000000
--- a/arch/mn10300/unit-asb2364/include/unit/smsc911x.h
+++ /dev/null
@@ -1,171 +0,0 @@
-/* Support for the SMSC911x NIC
- *
- * Copyright (C) 2006 Matsushita Electric Industrial Co., Ltd.
- * 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
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#ifndef _ASM_UNIT_SMSC911X_H
-#define _ASM_UNIT_SMSC911X_H
-
-#include <linux/netdevice.h>
-#include <proc/irq.h>
-#include <unit/fpga-regs.h>
-
-#define MN10300_USE_EXT_EEPROM
-
-
-#define SMSC911X_BASE		0xA8000000UL
-#define SMSC911X_BASE_END	0xA8000100UL
-#define SMSC911X_IRQ		FPGA_LAN_IRQ
-
-/*
- * Allow the FPGA to be initialised by the SMSC911x driver
- */
-#undef SMSC_INITIALIZE
-#define SMSC_INITIALIZE()					\
-do {								\
-	/* release reset */					\
-	ASB2364_FPGA_REG_RESET_LAN = 0x0001;			\
-	SyncExBus();						\
-} while (0)
-
-#ifdef MN10300_USE_EXT_EEPROM
-#include <linux/delay.h>
-#include <unit/clock.h>
-
-#define EEPROM_ADDRESS	0xA0
-#define MAC_OFFSET	0x0008
-#define USE_IIC_CH	0	/* 0 or 1 */
-#define IIC_OFFSET	(0x80000 * USE_IIC_CH)
-#define IIC_DTRM	__SYSREG(0xd8400000 + IIC_OFFSET, u32)
-#define IIC_DREC	__SYSREG(0xd8400004 + IIC_OFFSET, u32)
-#define IIC_MYADD	__SYSREG(0xd8400008 + IIC_OFFSET, u32)
-#define IIC_CLK		__SYSREG(0xd840000c + IIC_OFFSET, u32)
-#define IIC_BRST	__SYSREG(0xd8400010 + IIC_OFFSET, u32)
-#define IIC_HOLD	__SYSREG(0xd8400014 + IIC_OFFSET, u32)
-#define IIC_BSTS	__SYSREG(0xd8400018 + IIC_OFFSET, u32)
-#define IIC_ICR		__SYSREG(0xd4000080 + 4 * USE_IIC_CH, u16)
-
-#define IIC_CLK_PLS	((unsigned short)(MN10300_IOCLK / 100000 - 1))
-#define IIC_CLK_LOW	((unsigned short)(IIC_CLK_PLS / 2))
-
-#define SYS_IIC_DTRM_Bit_STA	((unsigned short)0x0400)
-#define SYS_IIC_DTRM_Bit_STO	((unsigned short)0x0200)
-#define SYS_IIC_DTRM_Bit_ACK	((unsigned short)0x0100)
-#define SYS_IIC_DTRM_Bit_DATA	((unsigned short)0x00FF)
-
-static inline void POLL_INT_REQ(volatile u16 *icr)
-{
-	unsigned long flags;
-	u16 tmp;
-
-	while (!(*icr & GxICR_REQUEST))
-		;
-	flags = arch_local_cli_save();
-	tmp = *icr;
-	*icr = (tmp & GxICR_LEVEL) | GxICR_DETECT;
-	tmp = *icr;
-	arch_local_irq_restore(flags);
-}
-
-/*
- * Implement the SMSC911x hook for MAC address retrieval
- */
-#undef smsc_get_mac
-static inline int smsc_get_mac(struct net_device *dev)
-{
-	unsigned char *mac_buf = dev->dev_addr;
-	int i;
-	unsigned short value;
-	unsigned int data;
-	int mac_length = 6;
-	int check;
-	u16 orig_gicr, tmp;
-	unsigned long flags;
-
-	/* save original GnICR and clear GnICR.IE */
-	flags = arch_local_cli_save();
-	orig_gicr = IIC_ICR;
-	IIC_ICR = orig_gicr & GxICR_LEVEL;
-	tmp = IIC_ICR;
-	arch_local_irq_restore(flags);
-
-	IIC_MYADD = 0x00000008;
-	IIC_CLK = (IIC_CLK_LOW << 16) + (IIC_CLK_PLS);
-	/* bus hung recovery */
-
-	while (1) {
-		check = 0;
-		for (i = 0; i < 3; i++) {
-			if ((IIC_BSTS & 0x00000003) == 0x00000003)
-				check++;
-			udelay(3);
-		}
-
-		if (check == 3) {
-			IIC_BRST = 0x00000003;
-			break;
-		} else {
-			for (i = 0; i < 3; i++) {
-				IIC_BRST = 0x00000002;
-				udelay(8);
-				IIC_BRST = 0x00000003;
-				udelay(8);
-			}
-		}
-	}
-
-	IIC_BRST = 0x00000002;
-	IIC_BRST = 0x00000003;
-
-	value	=  SYS_IIC_DTRM_Bit_STA | SYS_IIC_DTRM_Bit_ACK;
-	value	|= (((unsigned short)EEPROM_ADDRESS & SYS_IIC_DTRM_Bit_DATA) |
-		    (unsigned short)0x0000);
-	IIC_DTRM = value;
-	POLL_INT_REQ(&IIC_ICR);
-
-	/** send offset of MAC address in EEPROM **/
-	IIC_DTRM = (unsigned char)((MAC_OFFSET & 0xFF00) >> 8);
-	POLL_INT_REQ(&IIC_ICR);
-
-	IIC_DTRM = (unsigned char)(MAC_OFFSET & 0x00FF);
-	POLL_INT_REQ(&IIC_ICR);
-
-	udelay(1000);
-
-	value	=  SYS_IIC_DTRM_Bit_STA;
-	value	|= (((unsigned short)EEPROM_ADDRESS & SYS_IIC_DTRM_Bit_DATA) |
-		    (unsigned short)0x0001);
-	IIC_DTRM = value;
-	POLL_INT_REQ(&IIC_ICR);
-
-	IIC_DTRM = 0x00000000;
-	while (mac_length > 0) {
-		POLL_INT_REQ(&IIC_ICR);
-
-		data = IIC_DREC;
-		mac_length--;
-		if (mac_length == 0)
-			value = 0x00000300;	/* stop IIC bus */
-		else if (mac_length == 1)
-			value = 0x00000100;	/* no ack */
-		else
-			value = 0x00000000;	/* ack */
-		IIC_DTRM = value;
-		*mac_buf++ = (unsigned char)(data & 0xff);
-	}
-
-	/* restore GnICR.LV and GnICR.IE */
-	flags = arch_local_cli_save();
-	IIC_ICR = (orig_gicr & (GxICR_LEVEL | GxICR_ENABLE));
-	tmp = IIC_ICR;
-	arch_local_irq_restore(flags);
-
-	return 0;
-}
-#endif /* MN10300_USE_EXT_EEPROM */
-#endif /* _ASM_UNIT_SMSC911X_H */
diff --git a/arch/mn10300/unit-asb2364/include/unit/timex.h b/arch/mn10300/unit-asb2364/include/unit/timex.h
deleted file mode 100644
index 42f32db75087..000000000000
--- a/arch/mn10300/unit-asb2364/include/unit/timex.h
+++ /dev/null
@@ -1,155 +0,0 @@
-/* timex.h: MN2WS0038 architecture timer specifications
- *
- * Copyright (C) 2002, 2010 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_UNIT_TIMEX_H
-#define _ASM_UNIT_TIMEX_H
-
-#include <asm/timer-regs.h>
-#include <unit/clock.h>
-#include <asm/param.h>
-
-/*
- * jiffies counter specifications
- */
-
-#define	TMJCBR_MAX		0xffffff	/* 24bit */
-#define	TMJCIRQ			TMTIRQ
-
-#ifndef __ASSEMBLY__
-
-#define MN10300_SRC_IOBCLK	MN10300_IOBCLK
-
-#ifndef HZ
-# error HZ undeclared.
-#endif /* !HZ */
-
-#define MN10300_JCCLK		(MN10300_SRC_IOBCLK)
-#define MN10300_TSCCLK		(MN10300_SRC_IOBCLK)
-
-#define MN10300_JC_PER_HZ	((MN10300_JCCLK + HZ / 2) / HZ)
-#define MN10300_TSC_PER_HZ	((MN10300_TSCCLK + HZ / 2) / HZ)
-
-/* Check bit width of MTM interval value that sets base register */
-#if (MN10300_JC_PER_HZ - 1) > TMJCBR_MAX
-# error MTM tick timer interval value is overflow.
-#endif
-
-static inline void stop_jiffies_counter(void)
-{
-	u16 tmp;
-	TMTMD = 0;
-	tmp = TMTMD;
-}
-
-static inline void reload_jiffies_counter(u32 cnt)
-{
-	u32 tmp;
-
-	TMTBR = cnt;
-	tmp = TMTBR;
-
-	TMTMD = TMTMD_TMTLDE;
-	TMTMD = TMTMD_TMTCNE;
-	tmp = TMTMD;
-}
-
-#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS) && \
-    !defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
-/*
- * If we aren't using broadcasting, each core needs its own event timer.
- * Since CPU0 uses the tick timer which is 24-bits, we use timer 4 & 5
- * cascaded to 32-bits for CPU1 (but only really use 24-bits to match
- * CPU0).
- */
-
-#define	TMJC1IRQ		TM5IRQ
-
-static inline void stop_jiffies_counter1(void)
-{
-	u8 tmp;
-	TM4MD = 0;
-	TM5MD = 0;
-	tmp = TM4MD;
-	tmp = TM5MD;
-}
-
-static inline void reload_jiffies_counter1(u32 cnt)
-{
-	u32 tmp;
-
-	TM45BR = cnt;
-	tmp = TM45BR;
-
-	TM4MD = TM4MD_INIT_COUNTER;
-	tmp = TM4MD;
-
-	TM5MD = TM5MD_SRC_TM4CASCADE | TM5MD_INIT_COUNTER;
-	TM5MD = TM5MD_SRC_TM4CASCADE | TM5MD_COUNT_ENABLE;
-	tmp = TM5MD;
-
-	TM4MD = TM4MD_COUNT_ENABLE;
-	tmp = TM4MD;
-}
-#endif /* CONFIG_SMP&GENERIC_CLOCKEVENTS&!GENERIC_CLOCKEVENTS_BROADCAST */
-
-#endif /* !__ASSEMBLY__ */
-
-
-/*
- * timestamp counter specifications
- */
-#define	TMTSCBR_MAX	0xffffffff
-
-#ifndef __ASSEMBLY__
-
-/* Use 32-bit timestamp counter */
-#define	TMTSCMD		TMSMD
-#define	TMTSCBR		TMSBR
-#define	TMTSCBC		TMSBC
-#define	TMTSCICR	TMSICR
-
-static inline void startup_timestamp_counter(void)
-{
-	u32 sync;
-
-	/* set up TMS(Timestamp) 32bit timer register to count real time
-	 * - count down from 4Gig-1 to 0 and wrap at IOBCLK rate
-	 */
-
-	TMTSCBR = TMTSCBR_MAX;
-	sync = TMTSCBR;
-
-	TMTSCICR = 0;
-	sync = TMTSCICR;
-
-	TMTSCMD = TMTMD_TMTLDE;
-	TMTSCMD = TMTMD_TMTCNE;
-	sync = TMTSCMD;
-}
-
-static inline void shutdown_timestamp_counter(void)
-{
-	TMTSCMD = 0;
-}
-
-/*
- * we use a cascaded pair of 16-bit down-counting timers to count I/O
- * clock cycles for the purposes of time keeping
- */
-typedef unsigned long cycles_t;
-
-static inline cycles_t read_timestamp_counter(void)
-{
-	return (cycles_t)~TMTSCBC;
-}
-
-#endif /* !__ASSEMBLY__ */
-
-#endif /* _ASM_UNIT_TIMEX_H */
diff --git a/arch/mn10300/unit-asb2364/irq-fpga.c b/arch/mn10300/unit-asb2364/irq-fpga.c
deleted file mode 100644
index 073e2ccc4a44..000000000000
--- a/arch/mn10300/unit-asb2364/irq-fpga.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/* ASB2364 FPGA interrupt multiplexing
- *
- * Copyright (C) 2010 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.
- */
-
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <unit/fpga-regs.h>
-
-/*
- * FPGA PIC operations
- */
-static void asb2364_fpga_mask(struct irq_data *d)
-{
-	ASB2364_FPGA_REG_MASK(d->irq - NR_CPU_IRQS) = 0x0001;
-	SyncExBus();
-}
-
-static void asb2364_fpga_ack(struct irq_data *d)
-{
-	ASB2364_FPGA_REG_IRQ(d->irq - NR_CPU_IRQS) = 0x0001;
-	SyncExBus();
-}
-
-static void asb2364_fpga_mask_ack(struct irq_data *d)
-{
-	ASB2364_FPGA_REG_MASK(d->irq - NR_CPU_IRQS) = 0x0001;
-	SyncExBus();
-	ASB2364_FPGA_REG_IRQ(d->irq - NR_CPU_IRQS) = 0x0001;
-	SyncExBus();
-}
-
-static void asb2364_fpga_unmask(struct irq_data *d)
-{
-	ASB2364_FPGA_REG_MASK(d->irq - NR_CPU_IRQS) = 0x0000;
-	SyncExBus();
-}
-
-static struct irq_chip asb2364_fpga_pic = {
-	.name		= "fpga",
-	.irq_ack	= asb2364_fpga_ack,
-	.irq_mask	= asb2364_fpga_mask,
-	.irq_mask_ack	= asb2364_fpga_mask_ack,
-	.irq_unmask	= asb2364_fpga_unmask,
-};
-
-/*
- * FPGA PIC interrupt handler
- */
-static irqreturn_t fpga_interrupt(int irq, void *_mask)
-{
-	if ((ASB2364_FPGA_REG_IRQ_LAN  & 0x0001) != 0x0001)
-		generic_handle_irq(FPGA_LAN_IRQ);
-	if ((ASB2364_FPGA_REG_IRQ_UART & 0x0001) != 0x0001)
-		generic_handle_irq(FPGA_UART_IRQ);
-	if ((ASB2364_FPGA_REG_IRQ_I2C  & 0x0001) != 0x0001)
-		generic_handle_irq(FPGA_I2C_IRQ);
-	if ((ASB2364_FPGA_REG_IRQ_USB  & 0x0001) != 0x0001)
-		generic_handle_irq(FPGA_USB_IRQ);
-	if ((ASB2364_FPGA_REG_IRQ_FPGA & 0x0001) != 0x0001)
-		generic_handle_irq(FPGA_FPGA_IRQ);
-
-	return IRQ_HANDLED;
-}
-
-/*
- * Define an interrupt action for each FPGA PIC output
- */
-static struct irqaction fpga_irq[]  = {
-	[0] = {
-		.handler	= fpga_interrupt,
-		.flags		= IRQF_SHARED,
-		.name		= "fpga",
-	},
-};
-
-/*
- * Initialise the FPGA's PIC
- */
-void __init irq_fpga_init(void)
-{
-	int irq;
-
-	ASB2364_FPGA_REG_MASK_LAN  = 0x0001;
-	SyncExBus();
-	ASB2364_FPGA_REG_MASK_UART = 0x0001;
-	SyncExBus();
-	ASB2364_FPGA_REG_MASK_I2C  = 0x0001;
-	SyncExBus();
-	ASB2364_FPGA_REG_MASK_USB  = 0x0001;
-	SyncExBus();
-	ASB2364_FPGA_REG_MASK_FPGA = 0x0001;
-	SyncExBus();
-
-	for (irq = NR_CPU_IRQS; irq < NR_IRQS; irq++)
-		irq_set_chip_and_handler(irq, &asb2364_fpga_pic,
-					 handle_level_irq);
-
-	/* the FPGA drives the XIRQ1 input on the CPU PIC */
-	setup_irq(XIRQ1, &fpga_irq[0]);
-}
diff --git a/arch/mn10300/unit-asb2364/leds.c b/arch/mn10300/unit-asb2364/leds.c
deleted file mode 100644
index 1ff830c372b3..000000000000
--- a/arch/mn10300/unit-asb2364/leds.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* leds.c: ASB2364 peripheral 7seg LEDs x4 support
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-#include <asm/processor.h>
-#include <asm/intctl-regs.h>
-#include <asm/rtc-regs.h>
-#include <unit/leds.h>
-
-#if MN10300_USE_7SEGLEDS
-static const u8 asb2364_led_hex_tbl[16] = {
-	0x80, 0xf2, 0x48, 0x60, 0x32, 0x24, 0x04, 0xf0,
-	0x00, 0x20, 0x10, 0x06, 0x8c, 0x42, 0x0c, 0x1c
-};
-
-static const u32 asb2364_led_chase_tbl[6] = {
-	~0x02020202,	/* top		- segA */
-	~0x04040404,	/* right top	- segB */
-	~0x08080808,	/* right bottom	- segC */
-	~0x10101010,	/* bottom	- segD */
-	~0x20202020,	/* left bottom	- segE */
-	~0x40404040,	/* left top	- segF */
-};
-
-static unsigned asb2364_led_chase;
-
-void peripheral_leds7x4_display_dec(unsigned int val, unsigned int points)
-{
-	u32 leds;
-
-	leds = asb2364_led_hex_tbl[(val/1000) % 10];
-	leds <<= 8;
-	leds |= asb2364_led_hex_tbl[(val/100) % 10];
-	leds <<= 8;
-	leds |= asb2364_led_hex_tbl[(val/10) % 10];
-	leds <<= 8;
-	leds |= asb2364_led_hex_tbl[val % 10];
-	leds |= points^0x01010101;
-
-	ASB2364_7SEGLEDS = leds;
-}
-
-void peripheral_leds7x4_display_hex(unsigned int val, unsigned int points)
-{
-	u32 leds;
-
-	leds = asb2364_led_hex_tbl[(val/1000) % 10];
-	leds <<= 8;
-	leds |= asb2364_led_hex_tbl[(val/100) % 10];
-	leds <<= 8;
-	leds |= asb2364_led_hex_tbl[(val/10) % 10];
-	leds <<= 8;
-	leds |= asb2364_led_hex_tbl[val % 10];
-	leds |= points^0x01010101;
-
-	ASB2364_7SEGLEDS = leds;
-}
-
-/* display triple horizontal bar and exception code */
-void peripheral_leds_display_exception(enum exception_code code)
-{
-	u32 leds;
-
-	leds = asb2364_led_hex_tbl[(code/0x100) % 0x10];
-	leds <<= 8;
-	leds |= asb2364_led_hex_tbl[(code/0x10) % 0x10];
-	leds <<= 8;
-	leds |= asb2364_led_hex_tbl[code % 0x10];
-	leds |= 0x6d010101;
-
-	ASB2364_7SEGLEDS = leds;
-}
-
-void peripheral_leds_led_chase(void)
-{
-	ASB2364_7SEGLEDS = asb2364_led_chase_tbl[asb2364_led_chase];
-	asb2364_led_chase++;
-	if (asb2364_led_chase >= 6)
-		asb2364_led_chase = 0;
-}
-#else  /* MN10300_USE_7SEGLEDS */
-void peripheral_leds7x4_display_dec(unsigned int val, unsigned int points) { }
-void peripheral_leds7x4_display_hex(unsigned int val, unsigned int points) { }
-void peripheral_leds_display_exception(enum exception_code code) { }
-void peripheral_leds_led_chase(void) { }
-#endif /* MN10300_USE_7SEGLEDS */
diff --git a/arch/mn10300/unit-asb2364/smsc911x.c b/arch/mn10300/unit-asb2364/smsc911x.c
deleted file mode 100644
index 544a73e94c81..000000000000
--- a/arch/mn10300/unit-asb2364/smsc911x.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/* Specification for the SMSC911x NIC
- *
- * Copyright (C) 2006 Matsushita Electric Industrial Co., Ltd.
- * 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
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/ioport.h>
-#include <linux/smsc911x.h>
-#include <unit/smsc911x.h>
-
-static struct smsc911x_platform_config smsc911x_config = {
-	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
-	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
-	.flags		= SMSC911X_USE_32BIT,
-};
-
-static struct resource smsc911x_resources[] = {
-	[0] = {
-		.start	= SMSC911X_BASE,
-		.end	= SMSC911X_BASE_END,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= SMSC911X_IRQ,
-		.end	= SMSC911X_IRQ,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device smsc911x_device = {
-	.name		= "smsc911x",
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(smsc911x_resources),
-	.resource	= smsc911x_resources,
-	.dev		= {
-		.platform_data = &smsc911x_config,
-	}
-};
-
-/*
- * add platform devices
- */
-static int __init unit_device_init(void)
-{
-	platform_device_register(&smsc911x_device);
-	return 0;
-}
-
-device_initcall(unit_device_init);
diff --git a/arch/mn10300/unit-asb2364/unit-init.c b/arch/mn10300/unit-asb2364/unit-init.c
deleted file mode 100644
index 6359b41ce7e9..000000000000
--- a/arch/mn10300/unit-asb2364/unit-init.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/* ASB2364 initialisation
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-
-#include <asm/io.h>
-#include <asm/setup.h>
-#include <asm/processor.h>
-#include <asm/irq.h>
-#include <asm/intctl-regs.h>
-#include <asm/serial-regs.h>
-#include <unit/fpga-regs.h>
-#include <unit/serial.h>
-#include <unit/smsc911x.h>
-
-#define TTYS0_SERIAL_IER	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 2, u8)
-#define LAN_IRQ_CFG		__SYSREG(SMSC911X_BASE + 0x54, u32)
-#define LAN_INT_EN		__SYSREG(SMSC911X_BASE + 0x5c, u32)
-
-/*
- * initialise some of the unit hardware before gdbstub is set up
- */
-asmlinkage void __init unit_init(void)
-{
-	/* Make sure we aren't going to get unexpected interrupts */
-	TTYS0_SERIAL_IER = 0;
-	SC0RXICR = 0;
-	SC0TXICR = 0;
-	SC1RXICR = 0;
-	SC1TXICR = 0;
-	SC2RXICR = 0;
-	SC2TXICR = 0;
-
-	/* Attempt to reset the FPGA attached peripherals */
-	ASB2364_FPGA_REG_RESET_LAN = 0x0000;
-	SyncExBus();
-	ASB2364_FPGA_REG_RESET_UART = 0x0000;
-	SyncExBus();
-	ASB2364_FPGA_REG_RESET_I2C = 0x0000;
-	SyncExBus();
-	ASB2364_FPGA_REG_RESET_USB = 0x0000;
-	SyncExBus();
-	ASB2364_FPGA_REG_RESET_AV = 0x0000;
-	SyncExBus();
-
-	/* set up the external interrupts */
-
-	/* XIRQ[0]: NAND RXBY */
-	/* SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_LOWLEVEL); */
-
-	/* XIRQ[1]: LAN, UART, I2C, USB, PCI, FPGA */
-	SET_XIRQ_TRIGGER(1, XIRQ_TRIGGER_LOWLEVEL);
-
-	/* XIRQ[2]: Extend Slot 1-9 */
-	/* SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL); */
-
-#if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL) &&	\
-    defined(CONFIG_ETHERNET_IRQ_LEVEL) &&	\
-    (CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL)
-# error CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL
-#endif
-
-#if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL)
-	set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL));
-#elif defined(CONFIG_ETHERNET_IRQ_LEVEL)
-	set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL));
-#endif
-}
-
-/*
- * initialise the rest of the unit hardware after gdbstub is ready
- */
-asmlinkage void __init unit_setup(void)
-{
-	/* Release the reset on the SMSC911X so that it is ready by the time we
-	 * need it */
-	ASB2364_FPGA_REG_RESET_LAN = 0x0001;
-	SyncExBus();
-	ASB2364_FPGA_REG_RESET_UART = 0x0001;
-	SyncExBus();
-	ASB2364_FPGA_REG_RESET_I2C = 0x0001;
-	SyncExBus();
-	ASB2364_FPGA_REG_RESET_USB = 0x0001;
-	SyncExBus();
-	ASB2364_FPGA_REG_RESET_AV = 0x0001;
-	SyncExBus();
-
-	/* Make sure the ethernet chipset isn't going to give us an interrupt
-	 * storm from stuff it was doing pre-reset */
-	LAN_IRQ_CFG = 0;
-	LAN_INT_EN = 0;
-}
-
-/*
- * initialise the external interrupts used by a unit of this type
- */
-void __init unit_init_IRQ(void)
-{
-	unsigned int extnum;
-
-	for (extnum = 0 ; extnum < NR_XIRQS ; extnum++) {
-		switch (GET_XIRQ_TRIGGER(extnum)) {
-			/* LEVEL triggered interrupts should be made
-			 * post-ACK'able as they hold their lines until
-			 * serviced
-			 */
-		case XIRQ_TRIGGER_HILEVEL:
-		case XIRQ_TRIGGER_LOWLEVEL:
-			mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum));
-			break;
-		default:
-			break;
-		}
-	}
-
-#define IRQCTL	__SYSREG(0xd5000090, u32)
-	IRQCTL |= 0x02;
-
-	irq_fpga_init();
-}