[MIPS] TXx9: Reorganize code

Move arch/mips/{jmr3927,tx4927,tx4938} into arch/mips/txx9/ tree.
This will help more code sharing and maintainance.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

10 files changed, 0 insertions, 1717 deletions

diff --git a/arch/mips/tx4938/Kconfig b/arch/mips/tx4938/Kconfig
deleted file mode 100644
index d90e9cd..0000000
--- a/arch/mips/tx4938/Kconfig
+++ /dev/null
@@ -1,24 +0,0 @@
-if TOSHIBA_RBTX4938
-
-comment "Multiplex Pin Select"
-choice
-	prompt "PIO[58:61]"
-	default TOSHIBA_RBTX4938_MPLEX_PIO58_61
-
-config TOSHIBA_RBTX4938_MPLEX_PIO58_61
-	bool "PIO"
-config TOSHIBA_RBTX4938_MPLEX_NAND
-	bool "NAND"
-config TOSHIBA_RBTX4938_MPLEX_ATA
-	bool "ATA"
-
-endchoice
-
-config TX4938_NAND_BOOT
-	depends on EXPERIMENTAL && TOSHIBA_RBTX4938_MPLEX_NAND
-	bool "NAND Boot Support (EXPERIMENTAL)"
-	help
-	  This is only for Toshiba RBTX4938 reference board, which has NAND IPL.
-	  Select this option if you need to use NAND boot.
-
-endif
diff --git a/arch/mips/tx4938/common/Makefile b/arch/mips/tx4938/common/Makefile
deleted file mode 100644
index 56aa1ed..0000000
--- a/arch/mips/tx4938/common/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# Makefile for common code for Toshiba TX4927 based systems
-#
-
-obj-y	+= prom.o irq.o
-obj-$(CONFIG_KGDB) += dbgio.o
-
-EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/tx4938/common/dbgio.c b/arch/mips/tx4938/common/dbgio.c
deleted file mode 100644
index 33b9c67..0000000
--- a/arch/mips/tx4938/common/dbgio.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * linux/arch/mips/tx4938/common/dbgio.c
- *
- * kgdb interface for gdb
- *
- * Author: MontaVista Software, Inc.
- *         source@mvista.com
- *
- * Copyright 2005 MontaVista Software Inc.
- *
- *  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.
- *
- *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Support for TX4938 in 2.6 - Hiroshi DOYU <Hiroshi_DOYU@montavista.co.jp>
- */
-
-#include <linux/types>
-
-extern u8 txx9_sio_kdbg_rd(void);
-extern int txx9_sio_kdbg_wr( u8 ch );
-
-u8 getDebugChar(void)
-{
-	return (txx9_sio_kdbg_rd());
-}
-
-int putDebugChar(u8 byte)
-{
-	return (txx9_sio_kdbg_wr(byte));
-}
-
diff --git a/arch/mips/tx4938/common/irq.c b/arch/mips/tx4938/common/irq.c
deleted file mode 100644
index c059b89..0000000
--- a/arch/mips/tx4938/common/irq.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * linux/arch/mips/tx4938/common/irq.c
- *
- * Common tx4938 irq handler
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <asm/irq_cpu.h>
-#include <asm/mipsregs.h>
-#include <asm/tx4938/rbtx4938.h>
-
-void __init
-tx4938_irq_init(void)
-{
-	mips_cpu_irq_init();
-	txx9_irq_init(TX4938_IRC_REG);
-	set_irq_chained_handler(TX4938_IRQ_NEST_PIC_ON_CP0, handle_simple_irq);
-}
-
-int toshiba_rbtx4938_irq_nested(int irq);
-
-asmlinkage void plat_irq_dispatch(void)
-{
-	unsigned int pending = read_c0_cause() & read_c0_status();
-
-	if (pending & STATUSF_IP7)
-		do_IRQ(TX4938_IRQ_CPU_TIMER);
-	else if (pending & STATUSF_IP2) {
-		int irq = txx9_irq();
-		if (irq == TX4938_IRQ_PIC_BEG + TX4938_IR_INT(0))
-			irq = toshiba_rbtx4938_irq_nested(irq);
-		if (irq >= 0)
-			do_IRQ(irq);
-		else
-			spurious_interrupt();
-	} else if (pending & STATUSF_IP1)
-		do_IRQ(TX4938_IRQ_USER1);
-	else if (pending & STATUSF_IP0)
-		do_IRQ(TX4938_IRQ_USER0);
-}
diff --git a/arch/mips/tx4938/common/prom.c b/arch/mips/tx4938/common/prom.c
deleted file mode 100644
index 20baeae..0000000
--- a/arch/mips/tx4938/common/prom.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * linux/arch/mips/tx4938/common/prom.c
- *
- * common tx4938 memory interface
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/io.h>
-
-static unsigned int __init
-tx4938_process_sdccr(u64 * addr)
-{
-	u64 val;
-	unsigned int sdccr_ce;
-	unsigned int sdccr_rs;
-	unsigned int sdccr_cs;
-	unsigned int sdccr_mw;
-	unsigned int rs = 0;
-	unsigned int cs = 0;
-	unsigned int mw = 0;
-	unsigned int bc = 4;
-	unsigned int msize = 0;
-
-	val = ____raw_readq((void __iomem *)addr);
-
-	/* MVMCP -- need #defs for these bits masks */
-	sdccr_ce = ((val & (1 << 10)) >> 10);
-	sdccr_rs = ((val & (3 << 5)) >> 5);
-	sdccr_cs = ((val & (7 << 2)) >> 2);
-	sdccr_mw = ((val & (1 << 0)) >> 0);
-
-	if (sdccr_ce) {
-		switch (sdccr_rs) {
-		case 0:{
-				rs = 2048;
-				break;
-			}
-		case 1:{
-				rs = 4096;
-				break;
-			}
-		case 2:{
-				rs = 8192;
-				break;
-			}
-		default:{
-				rs = 0;
-				break;
-			}
-		}
-		switch (sdccr_cs) {
-		case 0:{
-				cs = 256;
-				break;
-			}
-		case 1:{
-				cs = 512;
-				break;
-			}
-		case 2:{
-				cs = 1024;
-				break;
-			}
-		case 3:{
-				cs = 2048;
-				break;
-			}
-		case 4:{
-				cs = 4096;
-				break;
-			}
-		default:{
-				cs = 0;
-				break;
-			}
-		}
-		switch (sdccr_mw) {
-		case 0:{
-				mw = 8;
-				break;
-			}	/* 8 bytes = 64 bits */
-		case 1:{
-				mw = 4;
-				break;
-			}	/* 4 bytes = 32 bits */
-		}
-	}
-
-	/*           bytes per chip    MB per chip          bank count */
-	msize = (((rs * cs * mw) / (1024 * 1024)) * (bc));
-
-	/* MVMCP -- bc hard coded to 4 from table 9.3.1     */
-	/*          boad supports bc=2 but no way to detect */
-
-	return (msize);
-}
-
-unsigned int __init
-tx4938_get_mem_size(void)
-{
-	unsigned int c0;
-	unsigned int c1;
-	unsigned int c2;
-	unsigned int c3;
-	unsigned int total;
-
-	/* MVMCP -- need #defs for these registers */
-	c0 = tx4938_process_sdccr((u64 *) 0xff1f8000);
-	c1 = tx4938_process_sdccr((u64 *) 0xff1f8008);
-	c2 = tx4938_process_sdccr((u64 *) 0xff1f8010);
-	c3 = tx4938_process_sdccr((u64 *) 0xff1f8018);
-	total = c0 + c1 + c2 + c3;
-
-	return (total);
-}
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/Makefile b/arch/mips/tx4938/toshiba_rbtx4938/Makefile
deleted file mode 100644
index 2316dd7..0000000
--- a/arch/mips/tx4938/toshiba_rbtx4938/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Makefile for common code for Toshiba TX4927 based systems
-#
-
-obj-y	+= prom.o setup.o irq.o spi_eeprom.o
-
-EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/irq.c b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
deleted file mode 100644
index 4d6a8dc..0000000
--- a/arch/mips/tx4938/toshiba_rbtx4938/irq.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * linux/arch/mips/tx4938/toshiba_rbtx4938/irq.c
- *
- * Toshiba RBTX4938 specific interrupt handlers
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-
-/*
-IRQ  Device
-
-16   TX4938-CP0/00 Software 0
-17   TX4938-CP0/01 Software 1
-18   TX4938-CP0/02 Cascade TX4938-CP0
-19   TX4938-CP0/03 Multiplexed -- do not use
-20   TX4938-CP0/04 Multiplexed -- do not use
-21   TX4938-CP0/05 Multiplexed -- do not use
-22   TX4938-CP0/06 Multiplexed -- do not use
-23   TX4938-CP0/07 CPU TIMER
-
-24   TX4938-PIC/00
-25   TX4938-PIC/01
-26   TX4938-PIC/02 Cascade RBTX4938-IOC
-27   TX4938-PIC/03 RBTX4938 RTL-8019AS Ethernet
-28   TX4938-PIC/04
-29   TX4938-PIC/05 TX4938 ETH1
-30   TX4938-PIC/06 TX4938 ETH0
-31   TX4938-PIC/07
-32   TX4938-PIC/08 TX4938 SIO 0
-33   TX4938-PIC/09 TX4938 SIO 1
-34   TX4938-PIC/10 TX4938 DMA0
-35   TX4938-PIC/11 TX4938 DMA1
-36   TX4938-PIC/12 TX4938 DMA2
-37   TX4938-PIC/13 TX4938 DMA3
-38   TX4938-PIC/14
-39   TX4938-PIC/15
-40   TX4938-PIC/16 TX4938 PCIC
-41   TX4938-PIC/17 TX4938 TMR0
-42   TX4938-PIC/18 TX4938 TMR1
-43   TX4938-PIC/19 TX4938 TMR2
-44   TX4938-PIC/20
-45   TX4938-PIC/21
-46   TX4938-PIC/22 TX4938 PCIERR
-47   TX4938-PIC/23
-48   TX4938-PIC/24
-49   TX4938-PIC/25
-50   TX4938-PIC/26
-51   TX4938-PIC/27
-52   TX4938-PIC/28
-53   TX4938-PIC/29
-54   TX4938-PIC/30
-55   TX4938-PIC/31 TX4938 SPI
-
-56 RBTX4938-IOC/00 PCI-D
-57 RBTX4938-IOC/01 PCI-C
-58 RBTX4938-IOC/02 PCI-B
-59 RBTX4938-IOC/03 PCI-A
-60 RBTX4938-IOC/04 RTC
-61 RBTX4938-IOC/05 ATA
-62 RBTX4938-IOC/06 MODEM
-63 RBTX4938-IOC/07 SWINT
-*/
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <asm/tx4938/rbtx4938.h>
-
-static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq);
-static void toshiba_rbtx4938_irq_ioc_disable(unsigned int irq);
-
-#define TOSHIBA_RBTX4938_IOC_NAME "RBTX4938-IOC"
-static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
-	.name = TOSHIBA_RBTX4938_IOC_NAME,
-	.ack = toshiba_rbtx4938_irq_ioc_disable,
-	.mask = toshiba_rbtx4938_irq_ioc_disable,
-	.mask_ack = toshiba_rbtx4938_irq_ioc_disable,
-	.unmask = toshiba_rbtx4938_irq_ioc_enable,
-};
-
-int
-toshiba_rbtx4938_irq_nested(int sw_irq)
-{
-	u8 level3;
-
-	level3 = readb(rbtx4938_imstat_addr);
-	if (level3)
-		/* must use fls so onboard ATA has priority */
-		sw_irq = TOSHIBA_RBTX4938_IRQ_IOC_BEG + fls(level3) - 1;
-
-	return sw_irq;
-}
-
-static struct irqaction toshiba_rbtx4938_irq_ioc_action = {
-	.handler = no_action,
-	.flags = 0,
-	.mask = CPU_MASK_NONE,
-	.name = TOSHIBA_RBTX4938_IOC_NAME,
-};
-
-/**********************************************************************************/
-/* Functions for ioc                                                              */
-/**********************************************************************************/
-static void __init
-toshiba_rbtx4938_irq_ioc_init(void)
-{
-	int i;
-
-	for (i = TOSHIBA_RBTX4938_IRQ_IOC_BEG;
-	     i <= TOSHIBA_RBTX4938_IRQ_IOC_END; i++)
-		set_irq_chip_and_handler(i, &toshiba_rbtx4938_irq_ioc_type,
-					 handle_level_irq);
-
-	setup_irq(RBTX4938_IRQ_IOCINT,
-		  &toshiba_rbtx4938_irq_ioc_action);
-}
-
-static void
-toshiba_rbtx4938_irq_ioc_enable(unsigned int irq)
-{
-	unsigned char v;
-
-	v = readb(rbtx4938_imask_addr);
-	v |= (1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
-	writeb(v, rbtx4938_imask_addr);
-	mmiowb();
-}
-
-static void
-toshiba_rbtx4938_irq_ioc_disable(unsigned int irq)
-{
-	unsigned char v;
-
-	v = readb(rbtx4938_imask_addr);
-	v &= ~(1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
-	writeb(v, rbtx4938_imask_addr);
-	mmiowb();
-}
-
-void __init arch_init_irq(void)
-{
-	extern void tx4938_irq_init(void);
-
-	/* Now, interrupt control disabled, */
-	/* all IRC interrupts are masked, */
-	/* all IRC interrupt mode are Low Active. */
-
-	/* mask all IOC interrupts */
-	writeb(0, rbtx4938_imask_addr);
-
-	/* clear SoftInt interrupts */
-	writeb(0, rbtx4938_softint_addr);
-	tx4938_irq_init();
-	toshiba_rbtx4938_irq_ioc_init();
-	/* Onboard 10M Ether: High Active */
-	set_irq_type(RBTX4938_IRQ_ETHER, IRQF_TRIGGER_HIGH);
-}
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/prom.c b/arch/mips/tx4938/toshiba_rbtx4938/prom.c
deleted file mode 100644
index 1644bff..0000000
--- a/arch/mips/tx4938/toshiba_rbtx4938/prom.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * linux/arch/mips/tx4938/toshiba_rbtx4938/prom.c
- *
- * rbtx4938 specific prom routines
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-#include <asm/tx4938/tx4938.h>
-
-void __init prom_init_cmdline(void)
-{
-	int argc = (int) fw_arg0;
-	char **argv = (char **) fw_arg1;
-	int i;
-
-	/* ignore all built-in args if any f/w args given */
-	if (argc > 1) {
-		*arcs_cmdline = '\0';
-	}
-
-	for (i = 1; i < argc; i++) {
-		if (i != 1) {
-			strcat(arcs_cmdline, " ");
-		}
-		strcat(arcs_cmdline, argv[i]);
-	}
-}
-
-void __init prom_init(void)
-{
-	extern int tx4938_get_mem_size(void);
-	int msize;
-#ifndef CONFIG_TX4938_NAND_BOOT
-	prom_init_cmdline();
-#endif
-
-	msize = tx4938_get_mem_size();
-	add_memory_region(0, msize << 20, BOOT_MEM_RAM);
-
-	return;
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
-
-void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
-{
-	return;
-}
-
-const char *get_system_type(void)
-{
-	return "Toshiba RBTX4938";
-}
-
-char * __init prom_getcmdline(void)
-{
-	return &(arcs_cmdline[0]);
-}
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
deleted file mode 100644
index 3a3659e..0000000
--- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c
+++ /dev/null
@@ -1,1124 +0,0 @@
-/*
- * linux/arch/mips/tx4938/toshiba_rbtx4938/setup.c
- *
- * Setup pointers to hardware-dependent routines.
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/console.h>
-#include <linux/pci.h>
-#include <linux/pm.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/gpio.h>
-
-#include <asm/reboot.h>
-#include <asm/time.h>
-#include <asm/txx9tmr.h>
-#include <asm/io.h>
-#include <asm/bootinfo.h>
-#include <asm/tx4938/rbtx4938.h>
-#ifdef CONFIG_SERIAL_TXX9
-#include <linux/serial_core.h>
-#endif
-#include <linux/spi/spi.h>
-#include <asm/tx4938/spi.h>
-#include <asm/txx9pio.h>
-
-extern char * __init prom_getcmdline(void);
-static inline void tx4938_report_pcic_status1(struct tx4938_pcic_reg *pcicptr);
-
-/* These functions are used for rebooting or halting the machine*/
-extern void rbtx4938_machine_restart(char *command);
-extern void rbtx4938_machine_halt(void);
-extern void rbtx4938_machine_power_off(void);
-
-/* clocks */
-unsigned int txx9_master_clock;
-unsigned int txx9_cpu_clock;
-unsigned int txx9_gbus_clock;
-
-unsigned long rbtx4938_ce_base[8];
-unsigned long rbtx4938_ce_size[8];
-int txboard_pci66_mode;
-static int tx4938_pcic_trdyto;	/* default: disabled */
-static int tx4938_pcic_retryto;	/* default: disabled */
-static int tx4938_ccfg_toeon = 1;
-
-struct tx4938_pcic_reg *pcicptrs[4] = {
-       tx4938_pcicptr  /* default setting for TX4938 */
-};
-
-static struct {
-	unsigned long base;
-	unsigned long size;
-} phys_regions[16] __initdata;
-static int num_phys_regions  __initdata;
-
-#define PHYS_REGION_MINSIZE	0x10000
-
-void rbtx4938_machine_halt(void)
-{
-        printk(KERN_NOTICE "System Halted\n");
-	local_irq_disable();
-
-	while (1)
-		__asm__(".set\tmips3\n\t"
-			"wait\n\t"
-			".set\tmips0");
-}
-
-void rbtx4938_machine_power_off(void)
-{
-        rbtx4938_machine_halt();
-        /* no return */
-}
-
-void rbtx4938_machine_restart(char *command)
-{
-	local_irq_disable();
-
-	printk("Rebooting...");
-	writeb(1, rbtx4938_softresetlock_addr);
-	writeb(1, rbtx4938_sfvol_addr);
-	writeb(1, rbtx4938_softreset_addr);
-	while(1)
-		;
-}
-
-void __init
-txboard_add_phys_region(unsigned long base, unsigned long size)
-{
-	if (num_phys_regions >= ARRAY_SIZE(phys_regions)) {
-		printk("phys_region overflow\n");
-		return;
-	}
-	phys_regions[num_phys_regions].base = base;
-	phys_regions[num_phys_regions].size = size;
-	num_phys_regions++;
-}
-unsigned long __init
-txboard_find_free_phys_region(unsigned long begin, unsigned long end,
-			      unsigned long size)
-{
-	unsigned long base;
-	int i;
-
-	for (base = begin / size * size; base < end; base += size) {
-		for (i = 0; i < num_phys_regions; i++) {
-			if (phys_regions[i].size &&
-			    base <= phys_regions[i].base + (phys_regions[i].size - 1) &&
-			    base + (size - 1) >= phys_regions[i].base)
-				break;
-		}
-		if (i == num_phys_regions)
-			return base;
-	}
-	return 0;
-}
-unsigned long __init
-txboard_find_free_phys_region_shrink(unsigned long begin, unsigned long end,
-				     unsigned long *size)
-{
-	unsigned long sz, base;
-	for (sz = *size; sz >= PHYS_REGION_MINSIZE; sz /= 2) {
-		base = txboard_find_free_phys_region(begin, end, sz);
-		if (base) {
-			*size = sz;
-			return base;
-		}
-	}
-	return 0;
-}
-unsigned long __init
-txboard_request_phys_region_range(unsigned long begin, unsigned long end,
-				  unsigned long size)
-{
-	unsigned long base;
-	base = txboard_find_free_phys_region(begin, end, size);
-	if (base)
-		txboard_add_phys_region(base, size);
-	return base;
-}
-unsigned long __init
-txboard_request_phys_region(unsigned long size)
-{
-	unsigned long base;
-	unsigned long begin = 0, end = 0x20000000;	/* search low 512MB */
-	base = txboard_find_free_phys_region(begin, end, size);
-	if (base)
-		txboard_add_phys_region(base, size);
-	return base;
-}
-unsigned long __init
-txboard_request_phys_region_shrink(unsigned long *size)
-{
-	unsigned long base;
-	unsigned long begin = 0, end = 0x20000000;	/* search low 512MB */
-	base = txboard_find_free_phys_region_shrink(begin, end, size);
-	if (base)
-		txboard_add_phys_region(base, *size);
-	return base;
-}
-
-#ifdef CONFIG_PCI
-void __init
-tx4938_pcic_setup(struct tx4938_pcic_reg *pcicptr,
-		  struct pci_controller *channel,
-		  unsigned long pci_io_base,
-		  int extarb)
-{
-	int i;
-
-	/* Disable All Initiator Space */
-	pcicptr->pciccfg &= ~(TX4938_PCIC_PCICCFG_G2PMEN(0)|
-			      TX4938_PCIC_PCICCFG_G2PMEN(1)|
-			      TX4938_PCIC_PCICCFG_G2PMEN(2)|
-			      TX4938_PCIC_PCICCFG_G2PIOEN);
-
-	/* GB->PCI mappings */
-	pcicptr->g2piomask = (channel->io_resource->end - channel->io_resource->start) >> 4;
-	pcicptr->g2piogbase = pci_io_base |
-#ifdef __BIG_ENDIAN
-		TX4938_PCIC_G2PIOGBASE_ECHG
-#else
-		TX4938_PCIC_G2PIOGBASE_BSDIS
-#endif
-		;
-	pcicptr->g2piopbase = 0;
-	for (i = 0; i < 3; i++) {
-		pcicptr->g2pmmask[i] = 0;
-		pcicptr->g2pmgbase[i] = 0;
-		pcicptr->g2pmpbase[i] = 0;
-	}
-	if (channel->mem_resource->end) {
-		pcicptr->g2pmmask[0] = (channel->mem_resource->end - channel->mem_resource->start) >> 4;
-		pcicptr->g2pmgbase[0] = channel->mem_resource->start |
-#ifdef __BIG_ENDIAN
-			TX4938_PCIC_G2PMnGBASE_ECHG
-#else
-			TX4938_PCIC_G2PMnGBASE_BSDIS
-#endif
-			;
-		pcicptr->g2pmpbase[0] = channel->mem_resource->start;
-	}
-	/* PCI->GB mappings (I/O 256B) */
-	pcicptr->p2giopbase = 0; /* 256B */
-	pcicptr->p2giogbase = 0;
-	/* PCI->GB mappings (MEM 512MB (64MB on R1.x)) */
-	pcicptr->p2gm0plbase = 0;
-	pcicptr->p2gm0pubase = 0;
-	pcicptr->p2gmgbase[0] = 0 |
-		TX4938_PCIC_P2GMnGBASE_TMEMEN |
-#ifdef __BIG_ENDIAN
-		TX4938_PCIC_P2GMnGBASE_TECHG
-#else
-		TX4938_PCIC_P2GMnGBASE_TBSDIS
-#endif
-		;
-	/* PCI->GB mappings (MEM 16MB) */
-	pcicptr->p2gm1plbase = 0xffffffff;
-	pcicptr->p2gm1pubase = 0xffffffff;
-	pcicptr->p2gmgbase[1] = 0;
-	/* PCI->GB mappings (MEM 1MB) */
-	pcicptr->p2gm2pbase = 0xffffffff; /* 1MB */
-	pcicptr->p2gmgbase[2] = 0;
-
-	pcicptr->pciccfg &= TX4938_PCIC_PCICCFG_GBWC_MASK;
-	/* Enable Initiator Memory Space */
-	if (channel->mem_resource->end)
-		pcicptr->pciccfg |= TX4938_PCIC_PCICCFG_G2PMEN(0);
-	/* Enable Initiator I/O Space */
-	if (channel->io_resource->end)
-		pcicptr->pciccfg |= TX4938_PCIC_PCICCFG_G2PIOEN;
-	/* Enable Initiator Config */
-	pcicptr->pciccfg |=
-		TX4938_PCIC_PCICCFG_ICAEN |
-		TX4938_PCIC_PCICCFG_TCAR;
-
-	/* Do not use MEMMUL, MEMINF: YMFPCI card causes M_ABORT. */
-	pcicptr->pcicfg1 = 0;
-
-	pcicptr->g2ptocnt &= ~0xffff;
-
-	if (tx4938_pcic_trdyto >= 0) {
-		pcicptr->g2ptocnt &= ~0xff;
-		pcicptr->g2ptocnt |= (tx4938_pcic_trdyto & 0xff);
-	}
-
-	if (tx4938_pcic_retryto >= 0) {
-		pcicptr->g2ptocnt &= ~0xff00;
-		pcicptr->g2ptocnt |= ((tx4938_pcic_retryto<<8) & 0xff00);
-	}
-
-	/* Clear All Local Bus Status */
-	pcicptr->pcicstatus = TX4938_PCIC_PCICSTATUS_ALL;
-	/* Enable All Local Bus Interrupts */
-	pcicptr->pcicmask = TX4938_PCIC_PCICSTATUS_ALL;
-	/* Clear All Initiator Status */
-	pcicptr->g2pstatus = TX4938_PCIC_G2PSTATUS_ALL;
-	/* Enable All Initiator Interrupts */
-	pcicptr->g2pmask = TX4938_PCIC_G2PSTATUS_ALL;
-	/* Clear All PCI Status Error */
-	pcicptr->pcistatus =
-		(pcicptr->pcistatus & 0x0000ffff) |
-		(TX4938_PCIC_PCISTATUS_ALL << 16);
-	/* Enable All PCI Status Error Interrupts */
-	pcicptr->pcimask = TX4938_PCIC_PCISTATUS_ALL;
-
-	if (!extarb) {
-		/* Reset Bus Arbiter */
-		pcicptr->pbacfg = TX4938_PCIC_PBACFG_RPBA;
-		pcicptr->pbabm = 0;
-		/* Enable Bus Arbiter */
-		pcicptr->pbacfg = TX4938_PCIC_PBACFG_PBAEN;
-	}
-
-      /* PCIC Int => IRC IRQ16 */
-	pcicptr->pcicfg2 =
-		    (pcicptr->pcicfg2 & 0xffffff00) | TX4938_IR_PCIC;
-
-	pcicptr->pcistatus = PCI_COMMAND_MASTER |
-		PCI_COMMAND_MEMORY |
-		PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
-}
-
-int __init
-tx4938_report_pciclk(void)
-{
-	unsigned long pcode = TX4938_REV_PCODE();
-	int pciclk = 0;
-	printk("TX%lx PCIC --%s PCICLK:",
-	       pcode,
-	       (tx4938_ccfgptr->ccfg & TX4938_CCFG_PCI66) ? " PCI66" : "");
-	if (tx4938_ccfgptr->pcfg & TX4938_PCFG_PCICLKEN_ALL) {
-
-		switch ((unsigned long)tx4938_ccfgptr->ccfg & TX4938_CCFG_PCIDIVMODE_MASK) {
-		case TX4938_CCFG_PCIDIVMODE_4:
-			pciclk = txx9_cpu_clock / 4; break;
-		case TX4938_CCFG_PCIDIVMODE_4_5:
-			pciclk = txx9_cpu_clock * 2 / 9; break;
-		case TX4938_CCFG_PCIDIVMODE_5:
-			pciclk = txx9_cpu_clock / 5; break;
-		case TX4938_CCFG_PCIDIVMODE_5_5:
-			pciclk = txx9_cpu_clock * 2 / 11; break;
-		case TX4938_CCFG_PCIDIVMODE_8:
-			pciclk = txx9_cpu_clock / 8; break;
-		case TX4938_CCFG_PCIDIVMODE_9:
-			pciclk = txx9_cpu_clock / 9; break;
-		case TX4938_CCFG_PCIDIVMODE_10:
-			pciclk = txx9_cpu_clock / 10; break;
-		case TX4938_CCFG_PCIDIVMODE_11:
-			pciclk = txx9_cpu_clock / 11; break;
-		}
-		printk("Internal(%dMHz)", pciclk / 1000000);
-	} else {
-		printk("External");
-		pciclk = -1;
-	}
-	printk("\n");
-	return pciclk;
-}
-
-void __init set_tx4938_pcicptr(int ch, struct tx4938_pcic_reg *pcicptr)
-{
-	pcicptrs[ch] = pcicptr;
-}
-
-struct tx4938_pcic_reg *get_tx4938_pcicptr(int ch)
-{
-       return pcicptrs[ch];
-}
-
-static struct pci_dev *fake_pci_dev(struct pci_controller *hose,
-                                    int top_bus, int busnr, int devfn)
-{
-	static struct pci_dev dev;
-	static struct pci_bus bus;
-
-	dev.sysdata = bus.sysdata = hose;
-	dev.devfn = devfn;
-	bus.number = busnr;
-	bus.ops = hose->pci_ops;
-	bus.parent = NULL;
-	dev.bus = &bus;
-
-	return &dev;
-}
-
-#define EARLY_PCI_OP(rw, size, type)                                    \
-static int early_##rw##_config_##size(struct pci_controller *hose,      \
-        int top_bus, int bus, int devfn, int offset, type value)        \
-{                                                                       \
-        return pci_##rw##_config_##size(                                \
-                fake_pci_dev(hose, top_bus, bus, devfn),                \
-                offset, value);                                         \
-}
-
-EARLY_PCI_OP(read, word, u16 *)
-
-int txboard_pci66_check(struct pci_controller *hose, int top_bus, int current_bus)
-{
-	u32 pci_devfn;
-	unsigned short vid;
-	int devfn_start = 0;
-	int devfn_stop = 0xff;
-	int cap66 = -1;
-	u16 stat;
-
-	printk("PCI: Checking 66MHz capabilities...\n");
-
-	for (pci_devfn=devfn_start; pci_devfn<devfn_stop; pci_devfn++) {
-		if (early_read_config_word(hose, top_bus, current_bus,
-					   pci_devfn, PCI_VENDOR_ID,
-					   &vid) != PCIBIOS_SUCCESSFUL)
-			continue;
-
-		if (vid == 0xffff) continue;
-
-		/* check 66MHz capability */
-		if (cap66 < 0)
-			cap66 = 1;
-		if (cap66) {
-			early_read_config_word(hose, top_bus, current_bus, pci_devfn,
-					       PCI_STATUS, &stat);
-			if (!(stat & PCI_STATUS_66MHZ)) {
-				printk(KERN_DEBUG "PCI: %02x:%02x not 66MHz capable.\n",
-				       current_bus, pci_devfn);
-				cap66 = 0;
-				break;
-			}
-		}
-	}
-	return cap66 > 0;
-}
-
-int __init
-tx4938_pciclk66_setup(void)
-{
-	int pciclk;
-
-	/* Assert M66EN */
-	tx4938_ccfgptr->ccfg |= TX4938_CCFG_PCI66;
-	/* Double PCICLK (if possible) */
-	if (tx4938_ccfgptr->pcfg & TX4938_PCFG_PCICLKEN_ALL) {
-		unsigned int pcidivmode =
-			tx4938_ccfgptr->ccfg & TX4938_CCFG_PCIDIVMODE_MASK;
-		switch (pcidivmode) {
-		case TX4938_CCFG_PCIDIVMODE_8:
-		case TX4938_CCFG_PCIDIVMODE_4:
-			pcidivmode = TX4938_CCFG_PCIDIVMODE_4;
-			pciclk = txx9_cpu_clock / 4;
-			break;
-		case TX4938_CCFG_PCIDIVMODE_9:
-		case TX4938_CCFG_PCIDIVMODE_4_5:
-			pcidivmode = TX4938_CCFG_PCIDIVMODE_4_5;
-			pciclk = txx9_cpu_clock * 2 / 9;
-			break;
-		case TX4938_CCFG_PCIDIVMODE_10:
-		case TX4938_CCFG_PCIDIVMODE_5:
-			pcidivmode = TX4938_CCFG_PCIDIVMODE_5;
-			pciclk = txx9_cpu_clock / 5;
-			break;
-		case TX4938_CCFG_PCIDIVMODE_11:
-		case TX4938_CCFG_PCIDIVMODE_5_5:
-		default:
-			pcidivmode = TX4938_CCFG_PCIDIVMODE_5_5;
-			pciclk = txx9_cpu_clock * 2 / 11;
-			break;
-		}
-		tx4938_ccfgptr->ccfg =
-			(tx4938_ccfgptr->ccfg & ~TX4938_CCFG_PCIDIVMODE_MASK)
-			| pcidivmode;
-		printk(KERN_DEBUG "PCICLK: ccfg:%08lx\n",
-		       (unsigned long)tx4938_ccfgptr->ccfg);
-	} else {
-		pciclk = -1;
-	}
-	return pciclk;
-}
-
-extern struct pci_controller tx4938_pci_controller[];
-static int __init tx4938_pcibios_init(void)
-{
-	unsigned long mem_base[2];
-	unsigned long mem_size[2] = {TX4938_PCIMEM_SIZE_0, TX4938_PCIMEM_SIZE_1}; /* MAX 128M,64K */
-	unsigned long io_base[2];
-	unsigned long io_size[2] = {TX4938_PCIIO_SIZE_0, TX4938_PCIIO_SIZE_1}; /* MAX 16M,64K */
-	/* TX4938 PCIC1: 64K MEM/IO is enough for ETH0,ETH1 */
-	int extarb = !(tx4938_ccfgptr->ccfg & TX4938_CCFG_PCIXARB);
-
-	PCIBIOS_MIN_IO = 0x00001000UL;
-
-	mem_base[0] = txboard_request_phys_region_shrink(&mem_size[0]);
-	io_base[0] = txboard_request_phys_region_shrink(&io_size[0]);
-
-	printk("TX4938 PCIC -- DID:%04x VID:%04x RID:%02x Arbiter:%s\n",
-	       (unsigned short)(tx4938_pcicptr->pciid >> 16),
-	       (unsigned short)(tx4938_pcicptr->pciid & 0xffff),
-	       (unsigned short)(tx4938_pcicptr->pciccrev & 0xff),
-	       extarb ? "External" : "Internal");
-
-	/* setup PCI area */
-	tx4938_pci_controller[0].io_resource->start = io_base[0];
-	tx4938_pci_controller[0].io_resource->end = (io_base[0] + io_size[0]) - 1;
-	tx4938_pci_controller[0].mem_resource->start = mem_base[0];
-	tx4938_pci_controller[0].mem_resource->end = mem_base[0] + mem_size[0] - 1;
-
-	set_tx4938_pcicptr(0, tx4938_pcicptr);
-
-	register_pci_controller(&tx4938_pci_controller[0]);
-
-	if (tx4938_ccfgptr->ccfg & TX4938_CCFG_PCI66) {
-		printk("TX4938_CCFG_PCI66 already configured\n");
-		txboard_pci66_mode = -1; /* already configured */
-	}
-
-	/* Reset PCI Bus */
-	writeb(0, rbtx4938_pcireset_addr);
-	/* Reset PCIC */
-	tx4938_ccfgptr->clkctr |= TX4938_CLKCTR_PCIRST;
-	if (txboard_pci66_mode > 0)
-		tx4938_pciclk66_setup();
-	mdelay(10);
-	/* clear PCIC reset */
-	tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIRST;
-	writeb(1, rbtx4938_pcireset_addr);
-	mmiowb();
-	tx4938_report_pcic_status1(tx4938_pcicptr);
-
-	tx4938_report_pciclk();
-	tx4938_pcic_setup(tx4938_pcicptr, &tx4938_pci_controller[0], io_base[0], extarb);
-	if (txboard_pci66_mode == 0 &&
-	    txboard_pci66_check(&tx4938_pci_controller[0], 0, 0)) {
-		/* Reset PCI Bus */
-		writeb(0, rbtx4938_pcireset_addr);
-		/* Reset PCIC */
-		tx4938_ccfgptr->clkctr |= TX4938_CLKCTR_PCIRST;
-		tx4938_pciclk66_setup();
-		mdelay(10);
-		/* clear PCIC reset */
-		tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIRST;
-		writeb(1, rbtx4938_pcireset_addr);
-		mmiowb();
-		/* Reinitialize PCIC */
-		tx4938_report_pciclk();
-		tx4938_pcic_setup(tx4938_pcicptr, &tx4938_pci_controller[0], io_base[0], extarb);
-	}
-
-	mem_base[1] = txboard_request_phys_region_shrink(&mem_size[1]);
-	io_base[1] = txboard_request_phys_region_shrink(&io_size[1]);
-	/* Reset PCIC1 */
-	tx4938_ccfgptr->clkctr |= TX4938_CLKCTR_PCIC1RST;
-	/* PCI1DMD==0 => PCI1CLK==GBUSCLK/2 => PCI66 */
-	if (!(tx4938_ccfgptr->ccfg & TX4938_CCFG_PCI1DMD))
-		tx4938_ccfgptr->ccfg |= TX4938_CCFG_PCI1_66;
-	else
-		tx4938_ccfgptr->ccfg &= ~TX4938_CCFG_PCI1_66;
-	mdelay(10);
-	/* clear PCIC1 reset */
-	tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIC1RST;
-	tx4938_report_pcic_status1(tx4938_pcic1ptr);
-
-	printk("TX4938 PCIC1 -- DID:%04x VID:%04x RID:%02x",
-	       (unsigned short)(tx4938_pcic1ptr->pciid >> 16),
-	       (unsigned short)(tx4938_pcic1ptr->pciid & 0xffff),
-	       (unsigned short)(tx4938_pcic1ptr->pciccrev & 0xff));
-	printk("%s PCICLK:%dMHz\n",
-	       (tx4938_ccfgptr->ccfg & TX4938_CCFG_PCI1_66) ? " PCI66" : "",
-	       txx9_gbus_clock /
-	       ((tx4938_ccfgptr->ccfg & TX4938_CCFG_PCI1DMD) ? 4 : 2) /
-	       1000000);
-
-	/* assumption: CPHYSADDR(mips_io_port_base) == io_base[0] */
-	tx4938_pci_controller[1].io_resource->start =
-		io_base[1] - io_base[0];
-	tx4938_pci_controller[1].io_resource->end =
-		io_base[1] - io_base[0] + io_size[1] - 1;
-	tx4938_pci_controller[1].mem_resource->start = mem_base[1];
-	tx4938_pci_controller[1].mem_resource->end =
-		mem_base[1] + mem_size[1] - 1;
-	set_tx4938_pcicptr(1, tx4938_pcic1ptr);
-
-	register_pci_controller(&tx4938_pci_controller[1]);
-
-	tx4938_pcic_setup(tx4938_pcic1ptr, &tx4938_pci_controller[1], io_base[1], extarb);
-
-	/* map ioport 0 to PCI I/O space address 0 */
-	set_io_port_base(KSEG1 + io_base[0]);
-
-	return 0;
-}
-
-arch_initcall(tx4938_pcibios_init);
-
-#endif /* CONFIG_PCI */
-
-/* SPI support */
-
-/* chip select for SPI devices */
-#define	SEEPROM1_CS	7	/* PIO7 */
-#define	SEEPROM2_CS	0	/* IOC */
-#define	SEEPROM3_CS	1	/* IOC */
-#define	SRTC_CS	2	/* IOC */
-
-#ifdef CONFIG_PCI
-static int __init rbtx4938_ethaddr_init(void)
-{
-	unsigned char dat[17];
-	unsigned char sum;
-	int i;
-
-	/* 0-3: "MAC\0", 4-9:eth0, 10-15:eth1, 16:sum */
-	if (spi_eeprom_read(SEEPROM1_CS, 0, dat, sizeof(dat))) {
-		printk(KERN_ERR "seeprom: read error.\n");
-		return -ENODEV;
-	} else {
-		if (strcmp(dat, "MAC") != 0)
-			printk(KERN_WARNING "seeprom: bad signature.\n");
-		for (i = 0, sum = 0; i < sizeof(dat); i++)
-			sum += dat[i];
-		if (sum)
-			printk(KERN_WARNING "seeprom: bad checksum.\n");
-	}
-	for (i = 0; i < 2; i++) {
-		unsigned int id =
-			TXX9_IRQ_BASE + (i ? TX4938_IR_ETH1 : TX4938_IR_ETH0);
-		struct platform_device *pdev;
-		if (!(tx4938_ccfgptr->pcfg &
-		      (i ? TX4938_PCFG_ETH1_SEL : TX4938_PCFG_ETH0_SEL)))
-			continue;
-		pdev = platform_device_alloc("tc35815-mac", id);
-		if (!pdev ||
-		    platform_device_add_data(pdev, &dat[4 + 6 * i], 6) ||
-		    platform_device_add(pdev))
-			platform_device_put(pdev);
-	}
-	return 0;
-}
-device_initcall(rbtx4938_ethaddr_init);
-#endif /* CONFIG_PCI */
-
-static void __init rbtx4938_spi_setup(void)
-{
-	/* set SPI_SEL */
-	tx4938_ccfgptr->pcfg |= TX4938_PCFG_SPI_SEL;
-}
-
-static struct resource rbtx4938_fpga_resource;
-
-static char pcode_str[8];
-static struct resource tx4938_reg_resource = {
-	.start	= TX4938_REG_BASE,
-	.end	= TX4938_REG_BASE + TX4938_REG_SIZE,
-	.name	= pcode_str,
-	.flags	= IORESOURCE_MEM
-};
-
-void __init tx4938_board_setup(void)
-{
-	int i;
-	unsigned long divmode;
-	int cpuclk = 0;
-	unsigned long pcode = TX4938_REV_PCODE();
-
-	ioport_resource.start = 0x1000;
-	ioport_resource.end = 0xffffffff;
-	iomem_resource.start = 0x1000;
-	iomem_resource.end = 0xffffffff;	/* expand to 4GB */
-
-	sprintf(pcode_str, "TX%lx", pcode);
-	/* SDRAMC,EBUSC are configured by PROM */
-	for (i = 0; i < 8; i++) {
-		if (!(tx4938_ebuscptr->cr[i] & 0x8))
-			continue;	/* disabled */
-		rbtx4938_ce_base[i] = (unsigned long)TX4938_EBUSC_BA(i);
-		txboard_add_phys_region(rbtx4938_ce_base[i], TX4938_EBUSC_SIZE(i));
-	}
-
-	/* clocks */
-	if (txx9_master_clock) {
-		/* calculate gbus_clock and cpu_clock_freq from master_clock */
-		divmode = (unsigned long)tx4938_ccfgptr->ccfg & TX4938_CCFG_DIVMODE_MASK;
-		switch (divmode) {
-		case TX4938_CCFG_DIVMODE_8:
-		case TX4938_CCFG_DIVMODE_10:
-		case TX4938_CCFG_DIVMODE_12:
-		case TX4938_CCFG_DIVMODE_16:
-		case TX4938_CCFG_DIVMODE_18:
-			txx9_gbus_clock = txx9_master_clock * 4; break;
-		default:
-			txx9_gbus_clock = txx9_master_clock;
-		}
-		switch (divmode) {
-		case TX4938_CCFG_DIVMODE_2:
-		case TX4938_CCFG_DIVMODE_8:
-			cpuclk = txx9_gbus_clock * 2; break;
-		case TX4938_CCFG_DIVMODE_2_5:
-		case TX4938_CCFG_DIVMODE_10:
-			cpuclk = txx9_gbus_clock * 5 / 2; break;
-		case TX4938_CCFG_DIVMODE_3:
-		case TX4938_CCFG_DIVMODE_12:
-			cpuclk = txx9_gbus_clock * 3; break;
-		case TX4938_CCFG_DIVMODE_4:
-		case TX4938_CCFG_DIVMODE_16:
-			cpuclk = txx9_gbus_clock * 4; break;
-		case TX4938_CCFG_DIVMODE_4_5:
-		case TX4938_CCFG_DIVMODE_18:
-			cpuclk = txx9_gbus_clock * 9 / 2; break;
-		}
-		txx9_cpu_clock = cpuclk;
-	} else {
-		if (txx9_cpu_clock == 0) {
-			txx9_cpu_clock = 300000000;	/* 300MHz */
-		}
-		/* calculate gbus_clock and master_clock from cpu_clock_freq */
-		cpuclk = txx9_cpu_clock;
-		divmode = (unsigned long)tx4938_ccfgptr->ccfg & TX4938_CCFG_DIVMODE_MASK;
-		switch (divmode) {
-		case TX4938_CCFG_DIVMODE_2:
-		case TX4938_CCFG_DIVMODE_8:
-			txx9_gbus_clock = cpuclk / 2; break;
-		case TX4938_CCFG_DIVMODE_2_5:
-		case TX4938_CCFG_DIVMODE_10:
-			txx9_gbus_clock = cpuclk * 2 / 5; break;
-		case TX4938_CCFG_DIVMODE_3:
-		case TX4938_CCFG_DIVMODE_12:
-			txx9_gbus_clock = cpuclk / 3; break;
-		case TX4938_CCFG_DIVMODE_4:
-		case TX4938_CCFG_DIVMODE_16:
-			txx9_gbus_clock = cpuclk / 4; break;
-		case TX4938_CCFG_DIVMODE_4_5:
-		case TX4938_CCFG_DIVMODE_18:
-			txx9_gbus_clock = cpuclk * 2 / 9; break;
-		}
-		switch (divmode) {
-		case TX4938_CCFG_DIVMODE_8:
-		case TX4938_CCFG_DIVMODE_10:
-		case TX4938_CCFG_DIVMODE_12:
-		case TX4938_CCFG_DIVMODE_16:
-		case TX4938_CCFG_DIVMODE_18:
-			txx9_master_clock = txx9_gbus_clock / 4; break;
-		default:
-			txx9_master_clock = txx9_gbus_clock;
-		}
-	}
-	/* change default value to udelay/mdelay take reasonable time */
-	loops_per_jiffy = txx9_cpu_clock / HZ / 2;
-
-	/* CCFG */
-	/* clear WatchDogReset,BusErrorOnWrite flag (W1C) */
-	tx4938_ccfgptr->ccfg |= TX4938_CCFG_WDRST | TX4938_CCFG_BEOW;
-	/* do reset on watchdog */
-	tx4938_ccfgptr->ccfg |= TX4938_CCFG_WR;
-	/* clear PCIC1 reset */
-	if (tx4938_ccfgptr->clkctr & TX4938_CLKCTR_PCIC1RST)
-		tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIC1RST;
-
-	/* enable Timeout BusError */
-	if (tx4938_ccfg_toeon)
-		tx4938_ccfgptr->ccfg |= TX4938_CCFG_TOE;
-
-	/* DMA selection */
-	tx4938_ccfgptr->pcfg &= ~TX4938_PCFG_DMASEL_ALL;
-
-	/* Use external clock for external arbiter */
-	if (!(tx4938_ccfgptr->ccfg & TX4938_CCFG_PCIXARB))
-		tx4938_ccfgptr->pcfg &= ~TX4938_PCFG_PCICLKEN_ALL;
-
-	printk("%s -- %dMHz(M%dMHz) CRIR:%08lx CCFG:%Lx PCFG:%Lx\n",
-	       pcode_str,
-	       cpuclk / 1000000, txx9_master_clock / 1000000,
-	       (unsigned long)tx4938_ccfgptr->crir,
-	       tx4938_ccfgptr->ccfg,
-	       tx4938_ccfgptr->pcfg);
-
-	printk("%s SDRAMC --", pcode_str);
-	for (i = 0; i < 4; i++) {
-		unsigned long long cr = tx4938_sdramcptr->cr[i];
-		unsigned long ram_base, ram_size;
-		if (!((unsigned long)cr & 0x00000400))
-			continue;	/* disabled */
-		ram_base = (unsigned long)(cr >> 49) << 21;
-		ram_size = ((unsigned long)(cr >> 33) + 1) << 21;
-		if (ram_base >= 0x20000000)
-			continue;	/* high memory (ignore) */
-		printk(" CR%d:%016Lx", i, cr);
-		txboard_add_phys_region(ram_base, ram_size);
-	}
-	printk(" TR:%09Lx\n", tx4938_sdramcptr->tr);
-
-	/* SRAM */
-	if (pcode == 0x4938 && tx4938_sramcptr->cr & 1) {
-		unsigned int size = 0x800;
-		unsigned long base =
-			(tx4938_sramcptr->cr >> (39-11)) & ~(size - 1);
-		 txboard_add_phys_region(base, size);
-	}
-
-	/* TMR */
-	for (i = 0; i < TX4938_NR_TMR; i++)
-		txx9_tmr_init(TX4938_TMR_REG(i) & 0xfffffffffULL);
-
-	/* enable DMA */
-	for (i = 0; i < 2; i++)
-		____raw_writeq(TX4938_DMA_MCR_MSTEN,
-			       (void __iomem *)(TX4938_DMA_REG(i) + 0x50));
-
-	/* PIO */
-	__raw_writel(0, &tx4938_pioptr->maskcpu);
-	__raw_writel(0, &tx4938_pioptr->maskext);
-
-	/* TX4938 internal registers */
-	if (request_resource(&iomem_resource, &tx4938_reg_resource))
-		printk("request resource for internal registers failed\n");
-}
-
-#ifdef CONFIG_PCI
-static inline void tx4938_report_pcic_status1(struct tx4938_pcic_reg *pcicptr)
-{
-	unsigned short pcistatus = (unsigned short)(pcicptr->pcistatus >> 16);
-	unsigned long g2pstatus = pcicptr->g2pstatus;
-	unsigned long pcicstatus = pcicptr->pcicstatus;
-	static struct {
-		unsigned long flag;
-		const char *str;
-	} pcistat_tbl[] = {
-		{ PCI_STATUS_DETECTED_PARITY,	"DetectedParityError" },
-		{ PCI_STATUS_SIG_SYSTEM_ERROR,	"SignaledSystemError" },
-		{ PCI_STATUS_REC_MASTER_ABORT,	"ReceivedMasterAbort" },
-		{ PCI_STATUS_REC_TARGET_ABORT,	"ReceivedTargetAbort" },
-		{ PCI_STATUS_SIG_TARGET_ABORT,	"SignaledTargetAbort" },
-		{ PCI_STATUS_PARITY,	"MasterParityError" },
-	}, g2pstat_tbl[] = {
-		{ TX4938_PCIC_G2PSTATUS_TTOE,	"TIOE" },
-		{ TX4938_PCIC_G2PSTATUS_RTOE,	"RTOE" },
-	}, pcicstat_tbl[] = {
-		{ TX4938_PCIC_PCICSTATUS_PME,	"PME" },
-		{ TX4938_PCIC_PCICSTATUS_TLB,	"TLB" },
-		{ TX4938_PCIC_PCICSTATUS_NIB,	"NIB" },
-		{ TX4938_PCIC_PCICSTATUS_ZIB,	"ZIB" },
-		{ TX4938_PCIC_PCICSTATUS_PERR,	"PERR" },
-		{ TX4938_PCIC_PCICSTATUS_SERR,	"SERR" },
-		{ TX4938_PCIC_PCICSTATUS_GBE,	"GBE" },
-		{ TX4938_PCIC_PCICSTATUS_IWB,	"IWB" },
-	};
-	int i;
-
-	printk("pcistat:%04x(", pcistatus);
-	for (i = 0; i < ARRAY_SIZE(pcistat_tbl); i++)
-		if (pcistatus & pcistat_tbl[i].flag)
-			printk("%s ", pcistat_tbl[i].str);
-	printk("), g2pstatus:%08lx(", g2pstatus);
-	for (i = 0; i < ARRAY_SIZE(g2pstat_tbl); i++)
-		if (g2pstatus & g2pstat_tbl[i].flag)
-			printk("%s ", g2pstat_tbl[i].str);
-	printk("), pcicstatus:%08lx(", pcicstatus);
-	for (i = 0; i < ARRAY_SIZE(pcicstat_tbl); i++)
-		if (pcicstatus & pcicstat_tbl[i].flag)
-			printk("%s ", pcicstat_tbl[i].str);
-	printk(")\n");
-}
-
-void tx4938_report_pcic_status(void)
-{
-	int i;
-	struct tx4938_pcic_reg *pcicptr;
-	for (i = 0; (pcicptr = get_tx4938_pcicptr(i)) != NULL; i++)
-		tx4938_report_pcic_status1(pcicptr);
-}
-
-#endif /* CONFIG_PCI */
-
-void __init plat_time_init(void)
-{
-	mips_hpt_frequency = txx9_cpu_clock / 2;
-	if (tx4938_ccfgptr->ccfg & TX4938_CCFG_TINTDIS)
-		txx9_clockevent_init(TX4938_TMR_REG(0) & 0xfffffffffULL,
-				     TXX9_IRQ_BASE + TX4938_IR_TMR(0),
-				     txx9_gbus_clock / 2);
-}
-
-void __init plat_mem_setup(void)
-{
-	unsigned long long pcfg;
-	char *argptr;
-
-	iomem_resource.end = 0xffffffff;	/* 4GB */
-
-	if (txx9_master_clock == 0)
-		txx9_master_clock = 25000000; /* 25MHz */
-	tx4938_board_setup();
-#ifndef CONFIG_PCI
-	set_io_port_base(RBTX4938_ETHER_BASE);
-#endif
-
-#ifdef CONFIG_SERIAL_TXX9
-	{
-		extern int early_serial_txx9_setup(struct uart_port *port);
-		int i;
-		struct uart_port req;
-		for(i = 0; i < 2; i++) {
-			memset(&req, 0, sizeof(req));
-			req.line = i;
-			req.iotype = UPIO_MEM;
-			req.membase = (char *)(0xff1ff300 + i * 0x100);
-			req.mapbase = 0xff1ff300 + i * 0x100;
-			req.irq = RBTX4938_IRQ_IRC_SIO(i);
-			req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
-			req.uartclk = 50000000;
-			early_serial_txx9_setup(&req);
-		}
-	}
-#ifdef CONFIG_SERIAL_TXX9_CONSOLE
-        argptr = prom_getcmdline();
-        if (strstr(argptr, "console=") == NULL) {
-                strcat(argptr, " console=ttyS0,38400");
-        }
-#endif
-#endif
-
-#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_PIO58_61
-	printk("PIOSEL: disabling both ata and nand selection\n");
-	local_irq_disable();
-	tx4938_ccfgptr->pcfg &= ~(TX4938_PCFG_NDF_SEL | TX4938_PCFG_ATA_SEL);
-#endif
-
-#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_NAND
-	printk("PIOSEL: enabling nand selection\n");
-	tx4938_ccfgptr->pcfg |= TX4938_PCFG_NDF_SEL;
-	tx4938_ccfgptr->pcfg &= ~TX4938_PCFG_ATA_SEL;
-#endif
-
-#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_ATA
-	printk("PIOSEL: enabling ata selection\n");
-	tx4938_ccfgptr->pcfg |= TX4938_PCFG_ATA_SEL;
-	tx4938_ccfgptr->pcfg &= ~TX4938_PCFG_NDF_SEL;
-#endif
-
-#ifdef CONFIG_IP_PNP
-	argptr = prom_getcmdline();
-	if (strstr(argptr, "ip=") == NULL) {
-		strcat(argptr, " ip=any");
-	}
-#endif
-
-
-#ifdef CONFIG_FB
-	{
-		conswitchp = &dummy_con;
-	}
-#endif
-
-	rbtx4938_spi_setup();
-	pcfg = tx4938_ccfgptr->pcfg;	/* updated */
-	/* fixup piosel */
-	if ((pcfg & (TX4938_PCFG_ATA_SEL | TX4938_PCFG_NDF_SEL)) ==
-	    TX4938_PCFG_ATA_SEL)
-		writeb((readb(rbtx4938_piosel_addr) & 0x03) | 0x04,
-		       rbtx4938_piosel_addr);
-	else if ((pcfg & (TX4938_PCFG_ATA_SEL | TX4938_PCFG_NDF_SEL)) ==
-		 TX4938_PCFG_NDF_SEL)
-		writeb((readb(rbtx4938_piosel_addr) & 0x03) | 0x08,
-		       rbtx4938_piosel_addr);
-	else
-		writeb(readb(rbtx4938_piosel_addr) & ~(0x08 | 0x04),
-		       rbtx4938_piosel_addr);
-
-	rbtx4938_fpga_resource.name = "FPGA Registers";
-	rbtx4938_fpga_resource.start = CPHYSADDR(RBTX4938_FPGA_REG_ADDR);
-	rbtx4938_fpga_resource.end = CPHYSADDR(RBTX4938_FPGA_REG_ADDR) + 0xffff;
-	rbtx4938_fpga_resource.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
-	if (request_resource(&iomem_resource, &rbtx4938_fpga_resource))
-		printk("request resource for fpga failed\n");
-
-	_machine_restart = rbtx4938_machine_restart;
-	_machine_halt = rbtx4938_machine_halt;
-	pm_power_off = rbtx4938_machine_power_off;
-
-	writeb(0xff, rbtx4938_led_addr);
-	printk(KERN_INFO "RBTX4938 --- FPGA(Rev %02x) DIPSW:%02x,%02x\n",
-	       readb(rbtx4938_fpga_rev_addr),
-	       readb(rbtx4938_dipsw_addr), readb(rbtx4938_bdipsw_addr));
-}
-
-static int __init rbtx4938_ne_init(void)
-{
-	struct resource res[] = {
-		{
-			.start	= RBTX4938_RTL_8019_BASE,
-			.end	= RBTX4938_RTL_8019_BASE + 0x20 - 1,
-			.flags	= IORESOURCE_IO,
-		}, {
-			.start	= RBTX4938_RTL_8019_IRQ,
-			.flags	= IORESOURCE_IRQ,
-		}
-	};
-	struct platform_device *dev =
-		platform_device_register_simple("ne", -1,
-						res, ARRAY_SIZE(res));
-	return IS_ERR(dev) ? PTR_ERR(dev) : 0;
-}
-device_initcall(rbtx4938_ne_init);
-
-/* GPIO support */
-
-int gpio_to_irq(unsigned gpio)
-{
-	return -EINVAL;
-}
-
-int irq_to_gpio(unsigned irq)
-{
-	return -EINVAL;
-}
-
-static DEFINE_SPINLOCK(rbtx4938_spi_gpio_lock);
-
-static void rbtx4938_spi_gpio_set(struct gpio_chip *chip, unsigned int offset,
-				  int value)
-{
-	u8 val;
-	unsigned long flags;
-	spin_lock_irqsave(&rbtx4938_spi_gpio_lock, flags);
-	val = readb(rbtx4938_spics_addr);
-	if (value)
-		val |= 1 << offset;
-	else
-		val &= ~(1 << offset);
-	writeb(val, rbtx4938_spics_addr);
-	mmiowb();
-	spin_unlock_irqrestore(&rbtx4938_spi_gpio_lock, flags);
-}
-
-static int rbtx4938_spi_gpio_dir_out(struct gpio_chip *chip,
-				     unsigned int offset, int value)
-{
-	rbtx4938_spi_gpio_set(chip, offset, value);
-	return 0;
-}
-
-static struct gpio_chip rbtx4938_spi_gpio_chip = {
-	.set = rbtx4938_spi_gpio_set,
-	.direction_output = rbtx4938_spi_gpio_dir_out,
-	.label = "RBTX4938-SPICS",
-	.base = 16,
-	.ngpio = 3,
-};
-
-/* SPI support */
-
-static void __init txx9_spi_init(unsigned long base, int irq)
-{
-	struct resource res[] = {
-		{
-			.start	= base,
-			.end	= base + 0x20 - 1,
-			.flags	= IORESOURCE_MEM,
-		}, {
-			.start	= irq,
-			.flags	= IORESOURCE_IRQ,
-		},
-	};
-	platform_device_register_simple("spi_txx9", 0,
-					res, ARRAY_SIZE(res));
-}
-
-static int __init rbtx4938_spi_init(void)
-{
-	struct spi_board_info srtc_info = {
-		.modalias = "rtc-rs5c348",
-		.max_speed_hz = 1000000, /* 1.0Mbps @ Vdd 2.0V */
-		.bus_num = 0,
-		.chip_select = 16 + SRTC_CS,
-		/* Mode 1 (High-Active, Shift-Then-Sample), High Avtive CS  */
-		.mode = SPI_MODE_1 | SPI_CS_HIGH,
-	};
-	spi_register_board_info(&srtc_info, 1);
-	spi_eeprom_register(SEEPROM1_CS);
-	spi_eeprom_register(16 + SEEPROM2_CS);
-	spi_eeprom_register(16 + SEEPROM3_CS);
-	gpio_request(16 + SRTC_CS, "rtc-rs5c348");
-	gpio_direction_output(16 + SRTC_CS, 0);
-	gpio_request(SEEPROM1_CS, "seeprom1");
-	gpio_direction_output(SEEPROM1_CS, 1);
-	gpio_request(16 + SEEPROM2_CS, "seeprom2");
-	gpio_direction_output(16 + SEEPROM2_CS, 1);
-	gpio_request(16 + SEEPROM3_CS, "seeprom3");
-	gpio_direction_output(16 + SEEPROM3_CS, 1);
-	txx9_spi_init(TX4938_SPI_REG & 0xfffffffffULL, RBTX4938_IRQ_IRC_SPI);
-	return 0;
-}
-
-static int __init rbtx4938_arch_init(void)
-{
-	txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, 16);
-	gpiochip_add(&rbtx4938_spi_gpio_chip);
-	return rbtx4938_spi_init();
-}
-arch_initcall(rbtx4938_arch_init);
-
-/* Watchdog support */
-
-static int __init txx9_wdt_init(unsigned long base)
-{
-	struct resource res = {
-		.start	= base,
-		.end	= base + 0x100 - 1,
-		.flags	= IORESOURCE_MEM,
-	};
-	struct platform_device *dev =
-		platform_device_register_simple("txx9wdt", -1, &res, 1);
-	return IS_ERR(dev) ? PTR_ERR(dev) : 0;
-}
-
-static int __init rbtx4938_wdt_init(void)
-{
-	return txx9_wdt_init(TX4938_TMR_REG(2) & 0xfffffffffULL);
-}
-device_initcall(rbtx4938_wdt_init);
-
-/* Minimum CLK support */
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
-	if (!strcmp(id, "spi-baseclk"))
-		return (struct clk *)(txx9_gbus_clock / 2 / 4);
-	if (!strcmp(id, "imbus_clk"))
-		return (struct clk *)(txx9_gbus_clock / 2);
-	return ERR_PTR(-ENOENT);
-}
-EXPORT_SYMBOL(clk_get);
-
-int clk_enable(struct clk *clk)
-{
-	return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-	return (unsigned long)clk;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/spi_eeprom.c b/arch/mips/tx4938/toshiba_rbtx4938/spi_eeprom.c
deleted file mode 100644
index 4d6b4ad..0000000
--- a/arch/mips/tx4938/toshiba_rbtx4938/spi_eeprom.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * linux/arch/mips/tx4938/toshiba_rbtx4938/spi_eeprom.c
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
- * terms of the GNU General Public License version 2. This program is
- * licensed "as is" without any warranty of any kind, whether express
- * or implied.
- *
- * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
- */
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/eeprom.h>
-#include <asm/tx4938/spi.h>
-
-#define AT250X0_PAGE_SIZE	8
-
-/* register board information for at25 driver */
-int __init spi_eeprom_register(int chipid)
-{
-	static struct spi_eeprom eeprom = {
-		.name = "at250x0",
-		.byte_len = 128,
-		.page_size = AT250X0_PAGE_SIZE,
-		.flags = EE_ADDR1,
-	};
-	struct spi_board_info info = {
-		.modalias = "at25",
-		.max_speed_hz = 1500000,	/* 1.5Mbps */
-		.bus_num = 0,
-		.chip_select = chipid,
-		.platform_data = &eeprom,
-		/* Mode 0: High-Active, Sample-Then-Shift */
-	};
-
-	return spi_register_board_info(&info, 1);
-}
-
-/* simple temporary spi driver to provide early access to seeprom. */
-
-static struct read_param {
-	int chipid;
-	int address;
-	unsigned char *buf;
-	int len;
-} *read_param;
-
-static int __init early_seeprom_probe(struct spi_device *spi)
-{
-	int stat = 0;
-	u8 cmd[2];
-	int len = read_param->len;
-	char *buf = read_param->buf;
-	int address = read_param->address;
-
-	dev_info(&spi->dev, "spiclk %u KHz.\n",
-		 (spi->max_speed_hz + 500) / 1000);
-	if (read_param->chipid != spi->chip_select)
-		return -ENODEV;
-	while (len > 0) {
-		/* spi_write_then_read can only work with small chunk */
-		int c = len < AT250X0_PAGE_SIZE ? len : AT250X0_PAGE_SIZE;
-		cmd[0] = 0x03;	/* AT25_READ */
-		cmd[1] = address;
-		stat = spi_write_then_read(spi, cmd, sizeof(cmd), buf, c);
-		buf += c;
-		len -= c;
-		address += c;
-	}
-	return stat;
-}
-
-static struct spi_driver early_seeprom_driver __initdata = {
-	.driver = {
-		.name	= "at25",
-		.owner	= THIS_MODULE,
-	},
-	.probe	= early_seeprom_probe,
-};
-
-int __init spi_eeprom_read(int chipid, int address,
-			   unsigned char *buf, int len)
-{
-	int ret;
-	struct read_param param = {
-		.chipid = chipid,
-		.address = address,
-		.buf = buf,
-		.len = len
-	};
-
-	read_param = &param;
-	ret = spi_register_driver(&early_seeprom_driver);
-	if (!ret)
-		spi_unregister_driver(&early_seeprom_driver);
-	return ret;
-}