[MIPS] Remove support for NEC DDB5476.

As warned several times before.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

7 files changed, 1 insertions, 934 deletions

diff --git a/arch/mips/ddb5xxx/common/prom.c b/arch/mips/ddb5xxx/common/prom.c
index 18eecbcdfca..00c62c1c28a 100644
--- a/arch/mips/ddb5xxx/common/prom.c
+++ b/arch/mips/ddb5xxx/common/prom.c
@@ -56,10 +56,7 @@ void __init prom_init(void)
 
 	mips_machgroup = MACH_GROUP_NEC_DDB;
 
-#if defined(CONFIG_DDB5476)
-	mips_machtype = MACH_NEC_DDB5476;
-	add_memory_region(0, DDB_SDRAM_SIZE, BOOT_MEM_RAM);
-#elif defined(CONFIG_DDB5477)
+#if defined(CONFIG_DDB5477)
 	ddb5477_runtime_detection();
 	add_memory_region(0, board_ram_size, BOOT_MEM_RAM);
 #endif
diff --git a/arch/mips/ddb5xxx/ddb5476/Makefile b/arch/mips/ddb5xxx/ddb5476/Makefile
deleted file mode 100644
index ab0312cb47b..00000000000
--- a/arch/mips/ddb5xxx/ddb5476/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for the NEC DDB Vrc-5476 specific kernel interface routines
-# under Linux.
-#
-
-obj-y			+= setup.o irq.o nile4_pic.o vrc5476_irq.o
-obj-$(CONFIG_KGDB)	+= dbg_io.o
-
-EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/ddb5xxx/ddb5476/dbg_io.c b/arch/mips/ddb5xxx/ddb5476/dbg_io.c
deleted file mode 100644
index f2296a99995..00000000000
--- a/arch/mips/ddb5xxx/ddb5476/dbg_io.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * kgdb io functions for DDB5476.  We use the second serial port.
- *
- * Copyright (C) 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * 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.
- *
- */
-
-/* ======================= CONFIG ======================== */
-
-/* [jsun] we use the second serial port for kdb */
-#define         BASE                    0xa60002f8
-#define         MAX_BAUD                115200
-
-/* distance in bytes between two serial registers */
-#define         REG_OFFSET              1
-
-/*
- * 0 - kgdb does serial init
- * 1 - kgdb skip serial init
- */
-static int remoteDebugInitialized = 0;
-
-/*
- * the default baud rate *if* kgdb does serial init
- */
-#define		BAUD_DEFAULT		UART16550_BAUD_38400
-
-/* ======================= END OF CONFIG ======================== */
-
-typedef unsigned char uint8;
-typedef unsigned int uint32;
-
-#define         UART16550_BAUD_2400             2400
-#define         UART16550_BAUD_4800             4800
-#define         UART16550_BAUD_9600             9600
-#define         UART16550_BAUD_19200            19200
-#define         UART16550_BAUD_38400            38400
-#define         UART16550_BAUD_57600            57600
-#define         UART16550_BAUD_115200           115200
-
-#define         UART16550_PARITY_NONE           0
-#define         UART16550_PARITY_ODD            0x08
-#define         UART16550_PARITY_EVEN           0x18
-#define         UART16550_PARITY_MARK           0x28
-#define         UART16550_PARITY_SPACE          0x38
-
-#define         UART16550_DATA_5BIT             0x0
-#define         UART16550_DATA_6BIT             0x1
-#define         UART16550_DATA_7BIT             0x2
-#define         UART16550_DATA_8BIT             0x3
-
-#define         UART16550_STOP_1BIT             0x0
-#define         UART16550_STOP_2BIT             0x4
-
-/* register offset */
-#define         OFS_RCV_BUFFER          0
-#define         OFS_TRANS_HOLD          0
-#define         OFS_SEND_BUFFER         0
-#define         OFS_INTR_ENABLE         (1*REG_OFFSET)
-#define         OFS_INTR_ID             (2*REG_OFFSET)
-#define         OFS_DATA_FORMAT         (3*REG_OFFSET)
-#define         OFS_LINE_CONTROL        (3*REG_OFFSET)
-#define         OFS_MODEM_CONTROL       (4*REG_OFFSET)
-#define         OFS_RS232_OUTPUT        (4*REG_OFFSET)
-#define         OFS_LINE_STATUS         (5*REG_OFFSET)
-#define         OFS_MODEM_STATUS        (6*REG_OFFSET)
-#define         OFS_RS232_INPUT         (6*REG_OFFSET)
-#define         OFS_SCRATCH_PAD         (7*REG_OFFSET)
-
-#define         OFS_DIVISOR_LSB         (0*REG_OFFSET)
-#define         OFS_DIVISOR_MSB         (1*REG_OFFSET)
-
-
-/* memory-mapped read/write of the port */
-#define         UART16550_READ(y)    (*((volatile uint8*)(BASE + y)))
-#define         UART16550_WRITE(y, z)  ((*((volatile uint8*)(BASE + y))) = z)
-
-void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
-{
-        /* disable interrupts */
-        UART16550_WRITE(OFS_INTR_ENABLE, 0);
-
-        /* set up baud rate */
-        {
-                uint32 divisor;
-
-                /* set DIAB bit */
-                UART16550_WRITE(OFS_LINE_CONTROL, 0x80);
-
-                /* set divisor */
-                divisor = MAX_BAUD / baud;
-                UART16550_WRITE(OFS_DIVISOR_LSB, divisor & 0xff);
-                UART16550_WRITE(OFS_DIVISOR_MSB, (divisor & 0xff00) >> 8);
-
-                /* clear DIAB bit */
-                UART16550_WRITE(OFS_LINE_CONTROL, 0x0);
-        }
-
-        /* set data format */
-        UART16550_WRITE(OFS_DATA_FORMAT, data | parity | stop);
-}
-
-
-uint8 getDebugChar(void)
-{
-        if (!remoteDebugInitialized) {
-                remoteDebugInitialized = 1;
-                debugInit(BAUD_DEFAULT,
-                          UART16550_DATA_8BIT,
-                          UART16550_PARITY_NONE, UART16550_STOP_1BIT);
-        }
-
-        while ((UART16550_READ(OFS_LINE_STATUS) & 0x1) == 0);
-        return UART16550_READ(OFS_RCV_BUFFER);
-}
-
-
-int putDebugChar(uint8 byte)
-{
-        if (!remoteDebugInitialized) {
-                remoteDebugInitialized = 1;
-                debugInit(BAUD_DEFAULT,
-                          UART16550_DATA_8BIT,
-                          UART16550_PARITY_NONE, UART16550_STOP_1BIT);
-        }
-
-        while ((UART16550_READ(OFS_LINE_STATUS) & 0x20) == 0);
-        UART16550_WRITE(OFS_SEND_BUFFER, byte);
-        return 1;
-}
diff --git a/arch/mips/ddb5xxx/ddb5476/irq.c b/arch/mips/ddb5xxx/ddb5476/irq.c
deleted file mode 100644
index 7583a1f3071..00000000000
--- a/arch/mips/ddb5xxx/ddb5476/irq.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- *  arch/mips/ddb5476/irq.c -- NEC DDB Vrc-5476 interrupt routines
- *
- *  Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
- *                     Sony Software Development Center Europe (SDCE), Brussels
- *
- * Re-write the whole thing to use new irq.c file.
- * Copyright (C) 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- */
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-
-#include <asm/i8259.h>
-#include <asm/io.h>
-#include <asm/ptrace.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-#define M1543_PNP_CONFIG	0x03f0	/* PnP Config Port */
-#define M1543_PNP_INDEX		0x03f0	/* PnP Index Port */
-#define M1543_PNP_DATA		0x03f1	/* PnP Data Port */
-
-#define M1543_PNP_ALT_CONFIG	0x0370	/* Alternative PnP Config Port */
-#define M1543_PNP_ALT_INDEX	0x0370	/* Alternative PnP Index Port */
-#define M1543_PNP_ALT_DATA	0x0371	/* Alternative PnP Data Port */
-
-#define M1543_INT1_MASTER_CTRL	0x0020	/* INT_1 (master) Control Register */
-#define M1543_INT1_MASTER_MASK	0x0021	/* INT_1 (master) Mask Register */
-
-#define M1543_INT1_SLAVE_CTRL	0x00a0	/* INT_1 (slave) Control Register */
-#define M1543_INT1_SLAVE_MASK	0x00a1	/* INT_1 (slave) Mask Register */
-
-#define M1543_INT1_MASTER_ELCR	0x04d0	/* INT_1 (master) Edge/Level Control */
-#define M1543_INT1_SLAVE_ELCR	0x04d1	/* INT_1 (slave) Edge/Level Control */
-
-static void m1543_irq_setup(void)
-{
-	/*
-	 *  The ALI M1543 has 13 interrupt inputs, IRQ1..IRQ13.  Not all
-	 *  the possible IO sources in the M1543 are in use by us.  We will
-	 *  use the following mapping:
-	 *
-	 *      IRQ1  - keyboard (default set by M1543)
-	 *      IRQ3  - reserved for UART B (default set by M1543) (note that
-	 *              the schematics for the DDB Vrc-5476 board seem to
-	 *              indicate that IRQ3 is connected to the DS1386
-	 *              watchdog timer interrupt output so we might have
-	 *              a conflict)
-	 *      IRQ4  - reserved for UART A (default set by M1543)
-	 *      IRQ5  - parallel (default set by M1543)
-	 *      IRQ8  - DS1386 time of day (RTC) interrupt
-	 *      IRQ9  - USB (hardwired in ddb_setup)
-	 *      IRQ10 - PMU (hardwired in ddb_setup)
-	 *      IRQ12 - mouse
-	 *      IRQ14,15 - IDE controller (need to be confirmed, jsun)
-	 */
-
-	/*
-	 *  Assing mouse interrupt to IRQ12
-	 */
-
-	/* Enter configuration mode */
-	outb(0x51, M1543_PNP_CONFIG);
-	outb(0x23, M1543_PNP_CONFIG);
-
-	/* Select logical device 7 (Keyboard) */
-	outb(0x07, M1543_PNP_INDEX);
-	outb(0x07, M1543_PNP_DATA);
-
-	/* Select IRQ12 */
-	outb(0x72, M1543_PNP_INDEX);
-	outb(0x0c, M1543_PNP_DATA);
-
-	/* Leave configration mode */
-	outb(0xbb, M1543_PNP_CONFIG);
-}
-
-static void nile4_irq_setup(void)
-{
-	int i;
-
-	/* Map all interrupts to CPU int #0 (IP2) */
-	nile4_map_irq_all(0);
-
-	/* PCI INTA#-E# must be level triggered */
-	nile4_set_pci_irq_level_or_edge(0, 1);
-	nile4_set_pci_irq_level_or_edge(1, 1);
-	nile4_set_pci_irq_level_or_edge(2, 1);
-	nile4_set_pci_irq_level_or_edge(3, 1);
-
-	/* PCI INTA#, B#, D# must be active low, INTC# must be active high */
-	nile4_set_pci_irq_polarity(0, 0);
-	nile4_set_pci_irq_polarity(1, 0);
-	nile4_set_pci_irq_polarity(2, 1);
-	nile4_set_pci_irq_polarity(3, 0);
-
-	for (i = 0; i < 16; i++)
-		nile4_clear_irq(i);
-
-	/* Enable CPU int #0 */
-	nile4_enable_irq_output(0);
-
-	/* memory resource acquire in ddb_setup */
-}
-
-static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL };
-static struct irqaction irq_error = { no_action, 0, CPU_MASK_NONE, "error", NULL, NULL };
-
-extern int setup_irq(unsigned int irq, struct irqaction *irqaction);
-extern void mips_cpu_irq_init(u32 irq_base);
-extern void vrc5476_irq_init(u32 irq_base);
-
-extern void vrc5476_irq_dispatch(struct pt_regs *regs);
-
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
-{
-	unsigned int pending = read_c0_cause() & read_c0_status();
-
-	if (pending & STATUSF_IP7)
-		do_IRQ(CPU_IRQ_BASE + 7, regs);
-	else if (pending & STATUSF_IP2)
-		vrc5476_irq_dispatch(regs);
-	else if (pending & STATUSF_IP3)
-		do_IRQ(CPU_IRQ_BASE + 3, regs);
-	else if (pending & STATUSF_IP4)
-		do_IRQ(CPU_IRQ_BASE + 4, regs);
-	else if (pending & STATUSF_IP5)
-		do_IRQ(CPU_IRQ_BASE + 5, regs);
-	else if (pending & STATUSF_IP6)
-		do_IRQ(CPU_IRQ_BASE + 6, regs);
-	else if (pending & STATUSF_IP0)
-		do_IRQ(CPU_IRQ_BASE, regs);
-	else if (pending & STATUSF_IP1)
-		do_IRQ(CPU_IRQ_BASE + 1, regs);
-
-	vrc5476_irq_dispatch(regs);
-}
-
-void __init arch_init_irq(void)
-{
-	/* hardware initialization */
-	nile4_irq_setup();
-	m1543_irq_setup();
-
-	/* controller setup */
-	init_i8259_irqs();
-	vrc5476_irq_init(VRC5476_IRQ_BASE);
-	mips_cpu_irq_init(CPU_IRQ_BASE);
-
-	/* setup cascade interrupts */
-	setup_irq(VRC5476_IRQ_BASE + VRC5476_I8259_CASCADE, &irq_cascade);
-	setup_irq(CPU_IRQ_BASE + CPU_VRC5476_CASCADE, &irq_cascade);
-
-	/* setup error interrupts for debugging */
-	setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_CPCE, &irq_error);
-	setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_CNTD, &irq_error);
-	setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_MCE, &irq_error);
-	setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_LBRT, &irq_error);
-	setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_PCIS, &irq_error);
-	setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_PCI, &irq_error);
-}
diff --git a/arch/mips/ddb5xxx/ddb5476/nile4_pic.c b/arch/mips/ddb5xxx/ddb5476/nile4_pic.c
deleted file mode 100644
index e930cee7944..00000000000
--- a/arch/mips/ddb5xxx/ddb5476/nile4_pic.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- *  arch/mips/ddb5476/nile4.c --
- *  	low-level PIC code for NEC Vrc-5476 (Nile 4)
- *
- *  Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
- *                     Sony Software Development Center Europe (SDCE), Brussels
- *
- *  Copyright 2001 MontaVista Software Inc.
- *  Author: jsun@mvista.com or jsun@junsun.net
- *
- */
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-
-/*
- *  Interrupt Programming
- */
-void nile4_map_irq(int nile4_irq, int cpu_irq)
-{
-	u32 offset, t;
-
-	offset = DDB_INTCTRL;
-	if (nile4_irq >= 8) {
-		offset += 4;
-		nile4_irq -= 8;
-	}
-	t = ddb_in32(offset);
-	t &= ~(7 << (nile4_irq * 4));
-	t |= cpu_irq << (nile4_irq * 4);
-	ddb_out32(offset, t);
-}
-
-void nile4_map_irq_all(int cpu_irq)
-{
-	u32 all, t;
-
-	all = cpu_irq;
-	all |= all << 4;
-	all |= all << 8;
-	all |= all << 16;
-	t = ddb_in32(DDB_INTCTRL);
-	t &= 0x88888888;
-	t |= all;
-	ddb_out32(DDB_INTCTRL, t);
-	t = ddb_in32(DDB_INTCTRL + 4);
-	t &= 0x88888888;
-	t |= all;
-	ddb_out32(DDB_INTCTRL + 4, t);
-}
-
-void nile4_enable_irq(int nile4_irq)
-{
-	u32 offset, t;
-
-	offset = DDB_INTCTRL;
-	if (nile4_irq >= 8) {
-		offset += 4;
-		nile4_irq -= 8;
-	}
-	t = ddb_in32(offset);
-	t |= 8 << (nile4_irq * 4);
-	ddb_out32(offset, t);
-}
-
-void nile4_disable_irq(int nile4_irq)
-{
-	u32 offset, t;
-
-	offset = DDB_INTCTRL;
-	if (nile4_irq >= 8) {
-		offset += 4;
-		nile4_irq -= 8;
-	}
-	t = ddb_in32(offset);
-	t &= ~(8 << (nile4_irq * 4));
-	ddb_out32(offset, t);
-}
-
-void nile4_disable_irq_all(void)
-{
-	ddb_out32(DDB_INTCTRL, 0);
-	ddb_out32(DDB_INTCTRL + 4, 0);
-}
-
-u16 nile4_get_irq_stat(int cpu_irq)
-{
-	return ddb_in16(DDB_INTSTAT0 + cpu_irq * 2);
-}
-
-void nile4_enable_irq_output(int cpu_irq)
-{
-	u32 t;
-
-	t = ddb_in32(DDB_INTSTAT1 + 4);
-	t |= 1 << (16 + cpu_irq);
-	ddb_out32(DDB_INTSTAT1, t);
-}
-
-void nile4_disable_irq_output(int cpu_irq)
-{
-	u32 t;
-
-	t = ddb_in32(DDB_INTSTAT1 + 4);
-	t &= ~(1 << (16 + cpu_irq));
-	ddb_out32(DDB_INTSTAT1, t);
-}
-
-void nile4_set_pci_irq_polarity(int pci_irq, int high)
-{
-	u32 t;
-
-	t = ddb_in32(DDB_INTPPES);
-	if (high)
-		t &= ~(1 << (pci_irq * 2));
-	else
-		t |= 1 << (pci_irq * 2);
-	ddb_out32(DDB_INTPPES, t);
-}
-
-void nile4_set_pci_irq_level_or_edge(int pci_irq, int level)
-{
-	u32 t;
-
-	t = ddb_in32(DDB_INTPPES);
-	if (level)
-		t |= 2 << (pci_irq * 2);
-	else
-		t &= ~(2 << (pci_irq * 2));
-	ddb_out32(DDB_INTPPES, t);
-}
-
-void nile4_clear_irq(int nile4_irq)
-{
-	ddb_out32(DDB_INTCLR, 1 << nile4_irq);
-}
-
-void nile4_clear_irq_mask(u32 mask)
-{
-	ddb_out32(DDB_INTCLR, mask);
-}
-
-u8 nile4_i8259_iack(void)
-{
-	u8 irq;
-	u32 reg;
-
-	/* Set window 0 for interrupt acknowledge */
-	reg = ddb_in32(DDB_PCIINIT0);
-
-	ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IACK, 0, DDB_PCI_ACCESS_32);
-	irq = *(volatile u8 *) KSEG1ADDR(DDB_PCI_IACK_BASE);
-	/* restore window 0 for PCI I/O space */
-	// ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IO, 0, DDB_PCI_ACCESS_32);
-	ddb_out32(DDB_PCIINIT0, reg);
-
-	/* i8269.c set the base vector to be 0x0 */
-	return irq + I8259_IRQ_BASE;
-}
-
-#if defined(CONFIG_RUNTIME_DEBUG)
-void nile4_dump_irq_status(void)
-{
-	printk(KERN_DEBUG "
-	       CPUSTAT = %p:%p\n", (void *) ddb_in32(DDB_CPUSTAT + 4),
-	       (void *) ddb_in32(DDB_CPUSTAT));
-	printk(KERN_DEBUG "
-	       INTCTRL = %p:%p\n", (void *) ddb_in32(DDB_INTCTRL + 4),
-	       (void *) ddb_in32(DDB_INTCTRL));
-	printk(KERN_DEBUG
-	       "INTSTAT0 = %p:%p\n",
-	       (void *) ddb_in32(DDB_INTSTAT0 + 4),
-	       (void *) ddb_in32(DDB_INTSTAT0));
-	printk(KERN_DEBUG
-	       "INTSTAT1 = %p:%p\n",
-	       (void *) ddb_in32(DDB_INTSTAT1 + 4),
-	       (void *) ddb_in32(DDB_INTSTAT1));
-	printk(KERN_DEBUG
-	       "INTCLR = %p:%p\n", (void *) ddb_in32(DDB_INTCLR + 4),
-	       (void *) ddb_in32(DDB_INTCLR));
-	printk(KERN_DEBUG
-	       "INTPPES = %p:%p\n", (void *) ddb_in32(DDB_INTPPES + 4),
-	       (void *) ddb_in32(DDB_INTPPES));
-}
-#endif
diff --git a/arch/mips/ddb5xxx/ddb5476/setup.c b/arch/mips/ddb5xxx/ddb5476/setup.c
deleted file mode 100644
index 101021afb2e..00000000000
--- a/arch/mips/ddb5xxx/ddb5476/setup.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*
- *  arch/mips/ddb5476/setup.c -- NEC DDB Vrc-5476 setup routines
- *
- *  Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
- *                     Sony Software Development Center Europe (SDCE), Brussels
- */
-#include <linux/init.h>
-#include <linux/kbd_ll.h>
-#include <linux/kernel.h>
-#include <linux/kdev_t.h>
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/pci.h>
-#include <linux/pm.h>
-
-#include <asm/addrspace.h>
-#include <asm/bcache.h>
-#include <asm/irq.h>
-#include <asm/reboot.h>
-#include <asm/gdb-stub.h>
-#include <asm/time.h>
-#include <asm/debug.h>
-#include <asm/traps.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-// #define USE_CPU_COUNTER_TIMER	/* whether we use cpu counter */
-
-#ifdef USE_CPU_COUNTER_TIMER
-
-#define CPU_COUNTER_FREQUENCY           83000000
-#else
-/* otherwise we use general purpose timer */
-#define TIMER_FREQUENCY			83000000
-#define TIMER_BASE			DDB_T2CTRL
-#define TIMER_IRQ			(VRC5476_IRQ_BASE + VRC5476_IRQ_GPT)
-#endif
-
-static void (*back_to_prom) (void) = (void (*)(void)) 0xbfc00000;
-
-static void ddb_machine_restart(char *command)
-{
-	u32 t;
-
-	/* PCI cold reset */
-	t = ddb_in32(DDB_PCICTRL + 4);
-	t |= 0x40000000;
-	ddb_out32(DDB_PCICTRL + 4, t);
-	/* CPU cold reset */
-	t = ddb_in32(DDB_CPUSTAT);
-	t |= 1;
-	ddb_out32(DDB_CPUSTAT, t);
-	/* Call the PROM */
-	back_to_prom();
-}
-
-static void ddb_machine_halt(void)
-{
-	printk(KERN_NOTICE "DDB Vrc-5476 halted.\n");
-	while (1);
-}
-
-static void ddb_machine_power_off(void)
-{
-	printk(KERN_NOTICE "DDB Vrc-5476 halted. Please turn off the power.\n");
-	while (1);
-}
-
-extern void rtc_ds1386_init(unsigned long base);
-
-static void __init ddb_time_init(void)
-{
-#if defined(USE_CPU_COUNTER_TIMER)
-	mips_hpt_frequency = CPU_COUNTER_FREQUENCY;
-#endif
-
-	/* we have ds1396 RTC chip */
-	rtc_ds1386_init(KSEG1ADDR(DDB_PCI_MEM_BASE));
-}
-
-
-extern int setup_irq(unsigned int irq, struct irqaction *irqaction);
-static void __init ddb_timer_setup(struct irqaction *irq)
-{
-#if defined(USE_CPU_COUNTER_TIMER)
-
-	unsigned int count;
-
-	/* we are using the cpu counter for timer interrupts */
-	setup_irq(CPU_IRQ_BASE + 7, irq);
-
-	/* to generate the first timer interrupt */
-	count = read_c0_count();
-	write_c0_compare(count + 1000);
-
-#else
-
-	ddb_out32(TIMER_BASE, TIMER_FREQUENCY/HZ);
-	ddb_out32(TIMER_BASE+4, 0x1);	/* enable timer */
-	setup_irq(TIMER_IRQ, irq);
-#endif
-}
-
-static struct {
-	struct resource dma1;
-	struct resource timer;
-	struct resource rtc;
-	struct resource dma_page_reg;
-	struct resource dma2;
-} ddb5476_ioport = {
-	{
-		.start	= 0x00,
-		.end	= 0x1f,
-		.name	= "dma1",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x40,
-		.end	= 0x5f,
-		.name	= "timer",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x70,
-		.end	= 0x7f,
-		.name	= "rtc",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x80,
-		.end	= 0x8f,
-		.name	= "dma page reg",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0xc0,
-		.end	= 0xdf,
-		.name	= "dma2",
-		.flags	= IORESOURCE_BUSY
-	}
-};
-
-static struct {
-	struct resource nile4;
-} ddb5476_iomem = {
-	{
-		.start	= DDB_BASE,
-		.end	= DDB_BASE + DDB_SIZE - 1,
-		.name	= "Nile 4",
-		.flags	= IORESOURCE_BUSY
-	}
-};
-
-
-static void ddb5476_board_init(void);
-
-void __init plat_mem_setup(void)
-{
-	set_io_port_base(KSEG1ADDR(DDB_PCI_IO_BASE));
-
-	board_time_init = ddb_time_init;
-	board_timer_setup = ddb_timer_setup;
-
-	_machine_restart = ddb_machine_restart;
-	_machine_halt = ddb_machine_halt;
-	pm_power_off = ddb_machine_power_off;
-
-	/* request io port/mem resources  */
-	if (request_resource(&ioport_resource, &ddb5476_ioport.dma1) ||
-	    request_resource(&ioport_resource, &ddb5476_ioport.timer) ||
-	    request_resource(&ioport_resource, &ddb5476_ioport.rtc) ||
-	    request_resource(&ioport_resource,
-			     &ddb5476_ioport.dma_page_reg)
-	    || request_resource(&ioport_resource, &ddb5476_ioport.dma2)
-	    || request_resource(&iomem_resource, &ddb5476_iomem.nile4)) {
-		printk
-		    ("ddb_setup - requesting oo port resources failed.\n");
-		for (;;);
-	}
-
-	/* Reboot on panic */
-	panic_timeout = 180;
-
-	/* [jsun] we need to set BAR0 so that SDRAM 0 appears at 0x0 in PCI */
-	/* *(long*)0xbfa00218 = 0x8; */
-
-	/* board initialization stuff */
-	ddb5476_board_init();
-}
-
-/*
- * We don't trust bios.  We essentially does hardware re-initialization
- * as complete as possible, as far as we know we can safely do.
- */
-static void ddb5476_board_init(void)
-{
-	/* ----------- setup PDARs ------------ */
-	/* check SDRAM0, whether we are on MEM bus does not matter */
-	db_assert((ddb_in32(DDB_SDRAM0) & 0xffffffef) ==
-		  ddb_calc_pdar(DDB_SDRAM_BASE, DDB_SDRAM_SIZE, 32, 0, 1));
-
-	/* SDRAM1 should be turned off.  What is this for anyway ? */
-	db_assert( (ddb_in32(DDB_SDRAM1) & 0xf) == 0);
-
-	/* flash 1&2, DDB status, DDB control */
-	ddb_set_pdar(DDB_DCS2, DDB_DCS2_BASE, DDB_DCS2_SIZE, 16, 0, 0);
-	ddb_set_pdar(DDB_DCS3, DDB_DCS3_BASE, DDB_DCS3_SIZE, 16, 0, 0);
-	ddb_set_pdar(DDB_DCS4, DDB_DCS4_BASE, DDB_DCS4_SIZE, 8, 0, 0);
-	ddb_set_pdar(DDB_DCS5, DDB_DCS5_BASE, DDB_DCS5_SIZE, 8, 0, 0);
-
-	/* shut off other pdar so they don't accidentally get into the way */
-	ddb_set_pdar(DDB_DCS6, 0xffffffff, 0, 32, 0, 0);
-	ddb_set_pdar(DDB_DCS7, 0xffffffff, 0, 32, 0, 0);
-	ddb_set_pdar(DDB_DCS8, 0xffffffff, 0, 32, 0, 0);
-
-	/* verify VRC5477 base addr */
-	/* don't care about some details */
-	db_assert((ddb_in32(DDB_INTCS) & 0xffffff0f) ==
-		  ddb_calc_pdar(DDB_INTCS_BASE, DDB_INTCS_SIZE, 8, 0, 0));
-
-	/* verify BOOT ROM addr */
-	/* don't care about some details */
-	db_assert((ddb_in32(DDB_BOOTCS) & 0xffffff0f) ==
-		  ddb_calc_pdar(DDB_BOOTCS_BASE, DDB_BOOTCS_SIZE, 8, 0, 0));
-
-	/* setup PCI windows - window1 for MEM/config, window0 for IO */
-	ddb_set_pdar(DDB_PCIW0, DDB_PCI_IO_BASE, DDB_PCI_IO_SIZE, 32, 0, 1);
-	ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IO, 0, DDB_PCI_ACCESS_32);
-
-	ddb_set_pdar(DDB_PCIW1, DDB_PCI_MEM_BASE, DDB_PCI_MEM_SIZE, 32, 0, 1);
-	ddb_set_pmr(DDB_PCIINIT1, DDB_PCICMD_MEM, DDB_PCI_MEM_BASE, DDB_PCI_ACCESS_32);
-
-	/* ----------- setup PDARs ------------ */
-	/* this is problematic - it will reset Aladin which cause we loose
-	 * serial port, and we don't know how to set up Aladin chip again.
-	 */
-	// ddb_pci_reset_bus();
-
-	ddb_out32(DDB_BAR0, 0x00000008);
-
-	ddb_out32(DDB_BARC, 0xffffffff);
-	ddb_out32(DDB_BARB, 0xffffffff);
-	ddb_out32(DDB_BAR1, 0xffffffff);
-	ddb_out32(DDB_BAR2, 0xffffffff);
-	ddb_out32(DDB_BAR3, 0xffffffff);
-	ddb_out32(DDB_BAR4, 0xffffffff);
-	ddb_out32(DDB_BAR5, 0xffffffff);
-	ddb_out32(DDB_BAR6, 0xffffffff);
-	ddb_out32(DDB_BAR7, 0xffffffff);
-	ddb_out32(DDB_BAR8, 0xffffffff);
-
-	/* ----------- switch PCI1 to PCI CONFIG space  ------------ */
-	ddb_set_pdar(DDB_PCIW1, DDB_PCI_CONFIG_BASE, DDB_PCI_CONFIG_SIZE, 32, 0, 1);
-	ddb_set_pmr(DDB_PCIINIT1, DDB_PCICMD_CFG, 0x0, DDB_PCI_ACCESS_32);
-
-	/* ----- M1543 PCI setup ------ */
-
-	/* we know M1543 PCI-ISA controller is at addr:18 */
-	/* xxxx1010 makes USB at addr:13 and PMU at addr:14 */
-	*(volatile unsigned char *) 0xa8040072 &= 0xf0;
-	*(volatile unsigned char *) 0xa8040072 |= 0xa;
-
-	/* setup USB interrupt to IRQ 9, (bit 0:3 - 0001)
-	 * no IOCHRDY signal, (bit 7 - 1)
-	 * M1543C & M7101 VID and Subsys Device ID are read-only (bit 6 - 1)
-	 * Make USB Master INTAJ level to edge conversion (bit 4 - 1)
-	 */
-	*(unsigned char *) 0xa8040074 = 0xd1;
-
-	/* setup PMU(SCI to IRQ 10 (bit 0:3 - 0011)
-	 * SCI routing to IRQ 13 disabled (bit 7 - 1)
-	 * SCI interrupt level to edge conversion bypassed (bit 4 - 0)
-	 */
-	*(unsigned char *) 0xa8040076 = 0x83;
-
-	/* setup IDE controller
-	 * enable IDE controller (bit 6 - 1)
-	 * IDE IDSEL to be addr:24 (bit 4:5 - 11)
-	 * no IDE ATA Secondary Bus Signal Pad Control (bit 3 - 0)
-	 * no IDE ATA Primary Bus Signal Pad Control (bit 2 - 0)
-	 * primary IRQ is 14, secondary is 15 (bit 1:0 - 01
-	 */
-	// *(unsigned char*)0xa8040058 = 0x71;
-	// *(unsigned char*)0xa8040058 = 0x79;
-	// *(unsigned char*)0xa8040058 = 0x74;              // use SIRQ, primary tri-state
-	*(unsigned char *) 0xa8040058 = 0x75;	// primary tri-state
-
-#if 0
-	/* this is not necessary if M5229 does not use SIRQ */
-	*(unsigned char *) 0xa8040044 = 0x0d;	// primary to IRQ 14
-	*(unsigned char *) 0xa8040075 = 0x0d;	// secondary to IRQ 14
-#endif
-
-	/* enable IDE in the M5229 config register 0x50 (bit 0 - 1) */
-	/* M5229 IDSEL is addr:24; see above setting */
-	*(unsigned char *) 0xa9000050 |= 0x1;
-
-	/* enable bus master (bit 2)  and IO decoding  (bit 0) */
-	*(unsigned char *) 0xa9000004 |= 0x5;
-
-	/* enable native, copied from arch/ppc/k2boot/head.S */
-	/* TODO - need volatile, need to be portable */
-	*(unsigned char *) 0xa9000009 = 0xff;
-
-	/* ----- end of M1543 PCI setup ------ */
-
-	/* ----- reset on-board ether chip  ------ */
-	*((volatile u32 *) 0xa8020004) |= 1;	/* decode I/O */
-	*((volatile u32 *) 0xa8020010) = 0;	/* set BAR address */
-
-	/* send reset command */
-	*((volatile u32 *) 0xa6000000) = 1;	/* do a soft reset */
-
-	/* disable ether chip */
-	*((volatile u32 *) 0xa8020004) = 0;	/* disable any decoding */
-
-	/* put it into sleep */
-	*((volatile u32 *) 0xa8020040) = 0x80000000;
-
-	/* ----- end of reset on-board ether chip  ------ */
-
-	/* ----------- switch PCI1 back to PCI MEM space  ------------ */
-	ddb_set_pdar(DDB_PCIW1, DDB_PCI_MEM_BASE, DDB_PCI_MEM_SIZE, 32, 0, 1);
-	ddb_set_pmr(DDB_PCIINIT1, DDB_PCICMD_MEM, DDB_PCI_MEM_BASE, DDB_PCI_ACCESS_32);
-}
diff --git a/arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c b/arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c
deleted file mode 100644
index a3c5e7b1801..00000000000
--- a/arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * The irq controller for vrc5476.
- *
- * Copyright (C) 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * 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/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-
-#include <asm/system.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-static int irq_base;
-
-static void vrc5476_irq_enable(uint irq)
-{
-	nile4_enable_irq(irq - irq_base);
-}
-
-static void vrc5476_irq_disable(uint irq)
-{
-	nile4_disable_irq(irq - irq_base);
-}
-
-static unsigned int vrc5476_irq_startup(uint irq)
-{
-	nile4_enable_irq(irq - irq_base);
-	return 0;
-}
-
-#define vrc5476_irq_shutdown	vrc5476_irq_disable
-
-static void vrc5476_irq_ack(uint irq)
-{
-	nile4_clear_irq(irq - irq_base);
-	nile4_disable_irq(irq - irq_base);
-}
-
-static void vrc5476_irq_end(uint irq)
-{
-	if(!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		vrc5476_irq_enable(irq);
-}
-
-static hw_irq_controller vrc5476_irq_controller = {
-	.typename = "vrc5476",
-	.startup = vrc5476_irq_startup,
-	.shutdown = vrc5476_irq_shutdown,
-	.enable = vrc5476_irq_enable,
-	.disable = vrc5476_irq_disable,
-	.ack = vrc5476_irq_ack,
-	.end = vrc5476_irq_end
-};
-
-void __init
-vrc5476_irq_init(u32 base)
-{
-	u32 i;
-
-	irq_base = base;
-	for (i= base; i< base + NUM_VRC5476_IRQ; i++) {
-		irq_desc[i].status = IRQ_DISABLED;
-		irq_desc[i].action = NULL;
-		irq_desc[i].depth = 1;
-		irq_desc[i].handler = &vrc5476_irq_controller;
-	}
-}
-
-
-void
-vrc5476_irq_dispatch(struct pt_regs *regs)
-{
-	u32 mask;
-	int nile4_irq;
-
-	mask = nile4_get_irq_stat(0);
-
-	/* quick check for possible time interrupt */
-	if (mask & (1 << VRC5476_IRQ_GPT)) {
-		do_IRQ(VRC5476_IRQ_BASE + VRC5476_IRQ_GPT, regs);
-		return;
-	}
-
-	/* check for i8259 interrupts */
-	if (mask & (1 << VRC5476_I8259_CASCADE)) {
-		int i8259_irq = nile4_i8259_iack();
-		do_IRQ(I8259_IRQ_BASE + i8259_irq, regs);
-		return;
-	}
-
-	/* regular nile4 interrupts (we should not really have any */
-	for (nile4_irq = 0; mask; nile4_irq++, mask >>= 1) {
-		if (mask & 1) {
-			do_IRQ(VRC5476_IRQ_BASE + nile4_irq, regs);
-			return;
-		}
-	}
-	spurious_interrupt(regs);
-}