Drop VIA Epia mainboard

.. and also drop the northbridge and southbridge used by the board.
This is one of the last boards to not use ROMCC for romstage. Let's
get rid of it.

Change-Id: I0a864b2c4ce3eeb7d3e199944eedef0cd71a85e6
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/7853
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

12 files changed, 0 insertions, 953 deletions

diff --git a/src/southbridge/via/vt8231/Kconfig b/src/southbridge/via/vt8231/Kconfig
deleted file mode 100644
index 3addfaa6bd..0000000000
--- a/src/southbridge/via/vt8231/Kconfig
+++ /dev/null
@@ -1,22 +0,0 @@
-##
-## This file is part of the coreboot project.
-##
-## Copyright (C) 2008-2009 coresystems GmbH
-##
-## 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; version 2 of the License.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-## GNU General Public License for more details.
-##
-## 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-##
-
-config SOUTHBRIDGE_VIA_VT8231
-	bool
-	select HAVE_DEBUG_SMBUS
diff --git a/src/southbridge/via/vt8231/Makefile.inc b/src/southbridge/via/vt8231/Makefile.inc
deleted file mode 100644
index 1a68eb21bb..0000000000
--- a/src/southbridge/via/vt8231/Makefile.inc
+++ /dev/null
@@ -1,25 +0,0 @@
-##
-## This file is part of the coreboot project.
-##
-## Copyright (C) 2007, 2009 Rudolf Marek <r.marek@assembler.cz>
-##
-## 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; version 2 of the License.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-## GNU General Public License for more details.
-##
-## 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-##
-
-ramstage-y += vt8231.c
-ramstage-y += lpc.c
-ramstage-y += acpi.c
-ramstage-y += ide.c
-ramstage-y += nic.c
-#ramstage-y += usb.c
diff --git a/src/southbridge/via/vt8231/acpi.c b/src/southbridge/via/vt8231/acpi.c
deleted file mode 100644
index 647910aef6..0000000000
--- a/src/southbridge/via/vt8231/acpi.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/pci_ids.h>
-
-static void acpi_init(struct device *dev)
-{
-	printk(BIOS_DEBUG, "Configuring VIA ACPI\n");
-
-	// Set ACPI base address to IO 0x4000
-	pci_write_config32(dev, 0x48, 0x4001);
-
-	// Enable ACPI access (and setup like award)
-	pci_write_config8(dev, 0x41, 0x84);
-
-	// Set hardware monitor base address to IO 0x6000
-	pci_write_config32(dev, 0x70, 0x6001);
-
-	// Enable hardware monitor (and setup like award)
-	pci_write_config8(dev, 0x74, 0x01);
-
-	// set IO base address to 0x5000
-	pci_write_config32(dev, 0x90, 0x5001);
-
-	// Enable SMBus
-	pci_write_config8(dev, 0xd2, 0x01);
-}
-
-static struct device_operations acpi_ops = {
-	.read_resources   = pci_dev_read_resources,
-	.set_resources    = pci_dev_set_resources,
-	.enable_resources = pci_dev_enable_resources,
-	.init		  = acpi_init,
-	.enable           = 0,
-	.ops_pci          = 0,
-};
-
-static const struct pci_driver northbridge_driver __pci_driver = {
-	.ops	= &acpi_ops,
-	.vendor = PCI_VENDOR_ID_VIA,
-	.device = PCI_DEVICE_ID_VIA_8231_4,
-};
diff --git a/src/southbridge/via/vt8231/chip.h b/src/southbridge/via/vt8231/chip.h
deleted file mode 100644
index e858ff5086..0000000000
--- a/src/southbridge/via/vt8231/chip.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef _SOUTHBRIDGE_VIA_VT8231
-#define _SOUTHBRIDGE_VIA_VT8231
-
-struct southbridge_via_vt8231_config {
-	/* enables of Non-PCI devices */
-	int enable_native_ide;
-	int enable_com_ports;
-	int enable_keyboard;
-	/* currently not parsed but needed by densitron dpx114 */
-	int enable_usb;
-	int enable_nvram;
-};
-
-#endif /* _SOUTHBRIDGE_VIA_VT8231 */
diff --git a/src/southbridge/via/vt8231/early_serial.c b/src/southbridge/via/vt8231/early_serial.c
deleted file mode 100644
index a0aec65f54..0000000000
--- a/src/southbridge/via/vt8231/early_serial.c
+++ /dev/null
@@ -1,75 +0,0 @@
-#include <console/console.h>
-/*
- * Enable the serial evices on the VIA
- */
-
-
-/* The base address is 0x15c, 0x2e, depending on config bytes */
-
-#define SIO_BASE 0x3f0
-#define SIO_DATA  SIO_BASE+1
-
-static void vt8231_writesuper(uint8_t reg, uint8_t val)
-{
-	outb(reg, SIO_BASE);
-	outb(val, SIO_DATA);
-}
-
-static void vt8231_writesiobyte(uint16_t reg, uint8_t val)
-{
-	outb(val, reg);
-}
-
-static void vt8231_writesioword(uint16_t reg, uint16_t val)
-{
-	outw(val, reg);
-}
-
-
-/* regs we use: 85, and the southbridge devfn is defined by the
-   mainboard
- */
-
-static void enable_vt8231_serial(void)
-{
-	uint8_t c;
-	device_t dev;
-	post_code(0x06);
-	dev = pci_locate_device(PCI_ID(0x1106,0x8231), 0);
-
-	if (dev == PCI_DEV_INVALID) {
-		post_code(0x07);
-		die("Serial controller not found\n");
-	}
-
-	/* first, you have to enable the superio and superio config.
-	   put a 6 reg 80
-	*/
-	c = pci_read_config8(dev, 0x50);
-	c |= 6;
-	pci_write_config8(dev, 0x50, c);
-	post_code(0x02);
-	// now go ahead and set up com1.
-	// set address
-	vt8231_writesuper(0xf4, 0xfe);
-	// enable serial out
-	vt8231_writesuper(0xf2, 7);
-	// That's it for the sio stuff.
-	//	movl	$SUPERIOCONFIG, %eax
-	//	movb	$9, %dl
-	//	PCI_WRITE_CONFIG_BYTE
-	// set up reg to set baud rate.
-	vt8231_writesiobyte(0x3fb, 0x80);
-	// Set 115 kb
-	vt8231_writesioword(0x3f8, 1);
-	// Set 9.6 kb
-	//	WRITESIOWORD(0x3f8, 12)
-	// now set no parity, one stop, 8 bits
-	vt8231_writesiobyte(0x3fb, 3);
-	// now turn on RTS, DRT
-	vt8231_writesiobyte(0x3fc, 3);
-	// Enable interrupts
-	vt8231_writesiobyte(0x3f9, 0xf);
-	// should be done. Dump a char for fun.
-	vt8231_writesiobyte(0x3f8, 48);
-}
diff --git a/src/southbridge/via/vt8231/early_smbus.c b/src/southbridge/via/vt8231/early_smbus.c
deleted file mode 100644
index adbd186c87..0000000000
--- a/src/southbridge/via/vt8231/early_smbus.c
+++ /dev/null
@@ -1,295 +0,0 @@
-#define SMBUS_IO_BASE 0x5000
-
-#define SMBHSTSTAT 0x0
-#define SMBSLVSTAT 0x1
-#define SMBHSTCTL  0x2
-#define SMBHSTCMD  0x3
-#define SMBXMITADD 0x4
-#define SMBHSTDAT0 0x5
-#define SMBHSTDAT1 0x6
-#define SMBBLKDAT  0x7
-#define SMBSLVCTL  0x8
-#define SMBTRNSADD 0x9
-#define SMBSLVDATA 0xa
-#define SMLINK_PIN_CTL 0xe
-#define SMBUS_PIN_CTL  0xf
-
-/* Define register settings */
-#define HOST_RESET 0xff
-#define READ_CMD  0x01		// 1 in the 0 bit of SMBHSTADD states to READ
-
-
-#define SMBUS_TIMEOUT (100*1000*10)
-
-static void enable_smbus(void)
-{
-	device_t dev;
-	unsigned char c;
-	/* Power management controller */
-	dev = pci_locate_device(PCI_ID(0x1106, 0x8235), 0);
-
-	if (dev == PCI_DEV_INVALID) {
-		die("SMBUS controller not found\n");
-	}
-	// set IO base address to SMBUS_IO_BASE
-	pci_write_config32(dev, 0x90, SMBUS_IO_BASE | 1);
-
-	// Enable SMBus
-	c = pci_read_config8(dev, 0xd2);
-	c |= 5;
-	pci_write_config8(dev, 0xd2, c);
-
-	/* make it work for I/O ...
-	 */
-	dev = pci_locate_device(PCI_ID(0x1106, 0x8231), 0);
-	c = pci_read_config8(dev, 4);
-	c |= 1;
-	pci_write_config8(dev, 4, c);
-	print_debug_hex8(c);
-	print_debug(" is the comm register\n");
-
-	print_debug("SMBus controller enabled\n");
-}
-
-
-static inline void smbus_delay(void)
-{
-	outb(0x80, 0x80);
-}
-
-static int smbus_wait_until_active(void)
-{
-	unsigned long loops;
-	loops = SMBUS_TIMEOUT;
-	do {
-		unsigned char val;
-		smbus_delay();
-		val = inb(SMBUS_IO_BASE + SMBHSTSTAT);
-		if ((val & 1)) {
-			break;
-		}
-	} while (--loops);
-	return loops ? 0 : -4;
-}
-
-static int smbus_wait_until_ready(void)
-{
-	unsigned long loops;
-	loops = SMBUS_TIMEOUT;
-	do {
-		unsigned char val;
-		smbus_delay();
-		val = inb(SMBUS_IO_BASE + SMBHSTSTAT);
-		if ((val & 1) == 0) {
-			break;
-		}
-		if (loops == (SMBUS_TIMEOUT / 2)) {
-			outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
-		}
-	} while (--loops);
-	return loops ? 0 : -2;
-}
-
-static int smbus_wait_until_done(void)
-{
-	unsigned long loops;
-	loops = SMBUS_TIMEOUT;
-	do {
-		unsigned char val;
-		smbus_delay();
-
-		val = inb(SMBUS_IO_BASE + SMBHSTSTAT);
-		if ((val & 1) == 0) {
-			break;
-		}
-	} while (--loops);
-	return loops ? 0 : -3;
-}
-
-#if 0
-void smbus_reset(void)
-{
-	outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT);
-	outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT);
-	outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT);
-	outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT);
-
-	smbus_wait_until_ready();
-	print_debug("After reset status ");
-	print_debug_hex8(inb(SMBUS_IO_BASE + SMBHSTSTAT));
-	print_debug("\n");
-}
-#endif
-
-#if CONFIG_DEBUG_SMBUS
-static void smbus_print_error(unsigned char host_status_register)
-{
-
-	print_err("smbus_error: ");
-	print_err_hex8(host_status_register);
-	print_err("\n");
-	if (host_status_register & (1 << 4)) {
-		print_err("Interrupt/SMI# was Failed Bus Transaction\n");
-	}
-	if (host_status_register & (1 << 3)) {
-		print_err("Bus Error\n");
-	}
-	if (host_status_register & (1 << 2)) {
-		print_err("Device Error\n");
-	}
-	if (host_status_register & (1 << 1)) {
-		print_err("Interrupt/SMI# was Successful Completion\n");
-	}
-	if (host_status_register & (1 << 0)) {
-		print_err("Host Busy\n");
-	}
-}
-#endif
-
-/*
- * Copied from intel/i82801dbm early smbus code - suggested by rgm.
- * Modifications/check against i2c-viapro driver code from linux-2.4.22
- * and VT8231 Reference Docs - mw.
- */
-static int smbus_read_byte(unsigned device, unsigned address)
-{
-	unsigned char global_status_register;
-	unsigned char byte;
-
-	if (smbus_wait_until_ready() < 0) {
-		outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
-		if (smbus_wait_until_ready() < 0) {
-			return -2;
-		}
-	}
-
-	/* setup transaction */
-	/* disable interrupts */
-	outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xfe, SMBUS_IO_BASE + SMBHSTCTL);
-	/* set the device I'm talking too */
-	outb(((device & 0x7f) << 1) | 1, SMBUS_IO_BASE + SMBXMITADD);
-	/* set the command/address... */
-	outb(address & 0xFF, SMBUS_IO_BASE + SMBHSTCMD);
-	/* set up for a byte data read */
-	outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xe3) | (0x2 << 2), SMBUS_IO_BASE + SMBHSTCTL);
-
-	/* clear any lingering errors, so the transaction will run */
-	outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
-
-	/* clear the data byte... */
-	outb(0, SMBUS_IO_BASE + SMBHSTDAT0);
-
-	/* start a byte read, with interrupts disabled */
-	outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL);
-	/* poll for it to start */
-	if (smbus_wait_until_active() < 0) {
-		return -4;
-	}
-
-	/* poll for transaction completion */
-	if (smbus_wait_until_done() < 0) {
-		return -3;
-	}
-
-	/* Ignore the Host Busy & Command Complete ? */
-	global_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT) & ~((1 << 1) | (1 << 0));
-
-	/* read results of transaction */
-	byte = inb(SMBUS_IO_BASE + SMBHSTDAT0);
-
-	if (global_status_register != 0) {
-		return -1;
-	}
-	return byte;
-}
-
-#if 0
-/* SMBus routines borrowed from VIA's Trident Driver */
-/* this works, so I am not going to touch it for now -- rgm */
-static unsigned char smbus_read_byte(unsigned char devAdr, unsigned char bIndex)
-{
-	unsigned int i;
-	unsigned char bData;
-	unsigned char sts = 0;
-
-	/* clear host status */
-	outb(0xff, SMBUS_IO_BASE);
-
-	/* check SMBUS ready */
-	for (i = 0; i < SMBUS_TIMEOUT; i++)
-		if ((inb(SMBUS_IO_BASE) & 0x01) == 0)
-			break;
-
-	/* set host command */
-	outb(bIndex, SMBUS_IO_BASE + 3);
-
-	/* set slave address */
-	outb(devAdr | 0x01, SMBUS_IO_BASE + 4);
-
-	/* start */
-	outb(0x48, SMBUS_IO_BASE + 2);
-
-	/* SMBUS Wait Ready */
-	for (i = 0; i < SMBUS_TIMEOUT; i++)
-		if (((sts = inb(SMBUS_IO_BASE)) & 0x01) == 0)
-			break;
-	if ((sts & ~3) != 0) {
-		smbus_print_error(sts);
-		return 0;
-	}
-	bData = inb(SMBUS_IO_BASE + 5);
-
-	return bData;
-
-}
-#endif
-/* for reference, here is the fancier version which we will use at some
- * point
- */
-# if 0
-int smbus_read_byte(unsigned device, unsigned address, unsigned char *result)
-{
-	unsigned char host_status_register;
-	unsigned char byte;
-
-	reset();
-
-	smbus_wait_until_ready();
-
-	/* setup transaction */
-	/* disable interrupts */
-	outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & (~1), SMBUS_IO_BASE + SMBHSTCTL);
-	/* set the device I'm talking too */
-	outb(((device & 0x7f) << 1) | 1, SMBUS_IO_BASE + SMBXMITADD);
-	/* set the command/address... */
-	outb(address & 0xFF, SMBUS_IO_BASE + SMBHSTCMD);
-	/* set up for a byte data read */
-	outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xE3) | (0x2 << 2), SMBUS_IO_BASE + SMBHSTCTL);
-
-	/* clear any lingering errors, so the transaction will run */
-	outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
-
-	/* clear the data byte... */
-	outb(0, SMBUS_IO_BASE + SMBHSTDAT0);
-
-	/* start the command */
-	outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL);
-
-	/* poll for transaction completion */
-	smbus_wait_until_done();
-
-	host_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT);
-
-	/* Ignore the In Use Status... */
-	host_status_register &= ~(1 << 6);
-
-	/* read results of transaction */
-	byte = inb(SMBUS_IO_BASE + SMBHSTDAT0);
-	smbus_print_error(byte);
-
-	*result = byte;
-	return host_status_register != 0x02;
-}
-
-
-#endif
diff --git a/src/southbridge/via/vt8231/enable_rom.c b/src/southbridge/via/vt8231/enable_rom.c
deleted file mode 100644
index 618adf8ddf..0000000000
--- a/src/southbridge/via/vt8231/enable_rom.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
- *
- * 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 program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <arch/io.h>
-#include <device/pci_ids.h>
-
-static void vt8231_enable_rom(void)
-{
-	device_t dev;
-
-	dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
-	                               PCI_DEVICE_ID_VIA_8231), 0);
-
-	/*
-	 * ROM decode control register (0x43):
-	 *
-	 * Bit  Decode range
-	 * -----------------
-	 * 7	0xFFFE0000-0xFFFEFFFF
-	 * 6	0xFFF80000-0xFFFDFFFF
-	 * 5	0xFFF00000-0xFFF7FFFF
-	 * 4	0x000E0000-0x000EFFFF
-	 * 3	0x000D8000-0x000DFFFF
-	 * 2	0x000D0000-0x000D7FFF
-	 * 1	0x000C8000-0x000CFFFF
-	 * 0	0x000C0000-0x000C7FFF
-	 */
-	pci_write_config8(dev, 0x43, (1 << 7) | (1 << 6) | (1 << 5));
-}
diff --git a/src/southbridge/via/vt8231/ide.c b/src/southbridge/via/vt8231/ide.c
deleted file mode 100644
index 3b402477d5..0000000000
--- a/src/southbridge/via/vt8231/ide.c
+++ /dev/null
@@ -1,113 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/pci_ids.h>
-#include "chip.h"
-
-static void ide_init(struct device *dev)
-{
-	struct southbridge_via_vt8231_config *conf = (struct southbridge_via_vt8231_config *)dev->chip_info;
-	unsigned char enables;
-
-	if (!conf->enable_native_ide) {
-		// Run the IDE controller in 'compatibility mode - i.e. don't use PCI
-		// interrupts.  Using PCI ints confuses linux for some reason.
-		/* Setting reg 0x42 here does not work. It is set in mainboard/romstage.c
-		* It probably can only be changed while the IDE is disabled
-		* or it is possibly a timing issue. Ben Hewson 29 Apr 2007.
-		*/
-
-		/*
-		printk(BIOS_INFO, "%s: enabling compatibility IDE addresses\n", __func__);
-		enables = pci_read_config8(dev, 0x42);
-		printk(BIOS_DEBUG, "enables in reg 0x42 0x%x\n", enables);
-		enables &= ~0xc0;		// compatibility mode
-		pci_write_config8(dev, 0x42, enables);
-		enables = pci_read_config8(dev, 0x42);
-		printk(BIOS_DEBUG, "enables in reg 0x42 read back as 0x%x\n", enables);
-		*/
-	}
-
-	enables = pci_read_config8(dev, 0x40);
-	printk(BIOS_DEBUG, "enables in reg 0x40 0x%x\n", enables);
-	enables |= 3;
-	pci_write_config8(dev, 0x40, enables);
-	enables = pci_read_config8(dev, 0x40);
-	printk(BIOS_DEBUG, "enables in reg 0x40 read back as 0x%x\n", enables);
-
-	// Enable prefetch buffers
-	enables = pci_read_config8(dev, 0x41);
-	enables |= 0xf0;
-	pci_write_config8(dev, 0x41, enables);
-
-	// Lower thresholds (cause award does it)
-	enables = pci_read_config8(dev, 0x43);
-	enables &= ~0x0f;
-	enables |=  0x05;
-	pci_write_config8(dev, 0x43, enables);
-
-	// PIO read prefetch counter (cause award does it)
-	pci_write_config8(dev, 0x44, 0x18);
-
-	// Use memory read multiple
-	pci_write_config8(dev, 0x45, 0x1c);
-
-	// address decoding.
-	// we want "flexible", i.e. 1f0-1f7 etc. or native PCI
-	// kevinh@ispiri.com - the standard linux drivers seem ass slow when
-	// used in native mode - I've changed back to classic
-	enables = pci_read_config8(dev, 0x9);
-	printk(BIOS_DEBUG, "enables in reg 0x9 0x%x\n", enables);
-	// by the book, set the low-order nibble to 0xa.
-	if (conf->enable_native_ide) {
-		enables &= ~0xf;
-		// cf/cg silicon needs an 'f' here.
-		enables |= 0xf;
-	} else {
-		enables &= ~0x5;
-	}
-
-	pci_write_config8(dev, 0x9, enables);
-	enables = pci_read_config8(dev, 0x9);
-	printk(BIOS_DEBUG, "enables in reg 0x9 read back as 0x%x\n", enables);
-
-	// standard bios sets master bit.
-	enables = pci_read_config8(dev, 0x4);
-	printk(BIOS_DEBUG, "command in reg 0x4 0x%x\n", enables);
-	enables |= 7;
-
-	// No need for stepping - kevinh@ispiri.com
-	enables &= ~0x80;
-
-	pci_write_config8(dev, 0x4, enables);
-	enables = pci_read_config8(dev, 0x4);
-	printk(BIOS_DEBUG, "command in reg 0x4 reads back as 0x%x\n", enables);
-
-	if (!conf->enable_native_ide) {
-		// Use compatibility mode - per award bios
-		pci_write_config32(dev, 0x10, 0x0);
-		pci_write_config32(dev, 0x14, 0x0);
-		pci_write_config32(dev, 0x18, 0x0);
-		pci_write_config32(dev, 0x1c, 0x0);
-
-		// Force interrupts to use compat mode - just like Award bios
-		pci_write_config8(dev, 0x3d, 00);
-		pci_write_config8(dev, 0x3c, 0xff);
-	}
-}
-
-static struct device_operations ide_ops = {
-	.read_resources   = pci_dev_read_resources,
-	.set_resources    = pci_dev_set_resources,
-	.enable_resources = pci_dev_enable_resources,
-	.init		  = ide_init,
-	.enable           = 0,
-	.ops_pci          = 0,
-};
-
-static const struct pci_driver northbridge_driver __pci_driver = {
-	.ops	= &ide_ops,
-	.vendor = PCI_VENDOR_ID_VIA,
-	.device = PCI_DEVICE_ID_VIA_82C586_1,
-};
diff --git a/src/southbridge/via/vt8231/lpc.c b/src/southbridge/via/vt8231/lpc.c
deleted file mode 100644
index 466b6df392..0000000000
--- a/src/southbridge/via/vt8231/lpc.c
+++ /dev/null
@@ -1,165 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/pci_ids.h>
-#include <pc80/mc146818rtc.h>
-#include <arch/ioapic.h>
-#include "chip.h"
-
-/* PIRQ init
- */
-static const unsigned char southbridgeIrqs[4] = { 11, 5, 10, 12 };
-static const unsigned char enetIrqs[4] = { 11, 5, 10, 12 };
-static const unsigned char slotIrqs[4] = { 5, 10, 12, 11 };
-
-/*
-	Our IDSEL mappings are as follows
-	PCI slot is AD31          (device 15) (00:14.0)
-	Southbridge is AD28       (device 12) (00:11.0)
-*/
-static void pci_routing_fixup(struct device *dev)
-{
-
-	printk(BIOS_INFO, "%s: dev is %p\n", __func__, dev);
-	if (dev) {
-		/* initialize PCI interrupts - these assignments depend
-		   on the PCB routing of PINTA-D
-
-		   PINTA = IRQ11
-		   PINTB = IRQ5
-		   PINTC = IRQ10
-		   PINTD = IRQ12
-		*/
-		pci_write_config8(dev, 0x55, 0xb0);
-		pci_write_config8(dev, 0x56, 0xa5);
-		pci_write_config8(dev, 0x57, 0xc0);
-	}
-
-	// Standard southbridge components
-	printk(BIOS_INFO, "setting southbridge\n");
-	pci_assign_irqs(0, 0x11, southbridgeIrqs);
-
-	// Ethernet built into southbridge
-	printk(BIOS_INFO, "setting ethernet\n");
-	pci_assign_irqs(0, 0x12, enetIrqs);
-
-	// PCI slot
-	printk(BIOS_INFO, "setting pci slot\n");
-	pci_assign_irqs(0, 0x14, slotIrqs);
-	printk(BIOS_INFO, "%s: DONE\n", __func__);
-}
-
-static void vt8231_init(struct device *dev)
-{
-	unsigned char enables;
-
-	printk(BIOS_DEBUG, "vt8231 init\n");
-
-	// enable the internal I/O decode
-	enables = pci_read_config8(dev, 0x6C);
-	enables |= 0x80;
-	pci_write_config8(dev, 0x6C, enables);
-
-	// Set bit 6 of 0x40, because Award does it (IO recovery time)
-	// IMPORTANT FIX - EISA 0x4d0 decoding must be on so that PCI
-	// interrupts can be properly marked as level triggered.
-	enables = pci_read_config8(dev, 0x40);
-	pci_write_config8(dev, 0x40, enables);
-
-	// Set 0x42 to 0xf0 to match Award bios
-	enables = pci_read_config8(dev, 0x42);
-	enables |= 0xf0;
-	pci_write_config8(dev, 0x42, enables);
-
-	// Set bit 3 of 0x4a, to match award (dummy pci request)
-	enables = pci_read_config8(dev, 0x4a);
-	enables |= 0x08;
-	pci_write_config8(dev, 0x4a, enables);
-
-	// Set bit 3 of 0x4f to match award (use INIT# as cpu reset)
-	enables = pci_read_config8(dev, 0x4f);
-	enables |= 0x08;
-	pci_write_config8(dev, 0x4f, enables);
-
-	// Set 0x58 to 0x03 to match Award
-	pci_write_config8(dev, 0x58, 0x03);
-
-	// enable the ethernet/RTC
-	if (dev) {
-		enables = pci_read_config8(dev, 0x51);
-		enables |= 0x18;
-		pci_write_config8(dev, 0x51, enables);
-	}
-
-	// enable IDE, since Linux won't do it.
-	// First do some more things to devfn (17,0)
-	// note: this should already be cleared, according to the book.
-	enables = pci_read_config8(dev, 0x50);
-	printk(BIOS_DEBUG, "IDE enable in reg. 50 is 0x%x\n", enables);
-	enables &= ~8; // need manifest constant here!
-	printk(BIOS_DEBUG, "set IDE reg. 50 to 0x%x\n", enables);
-	pci_write_config8(dev, 0x50, enables);
-
-	// set default interrupt values (IDE)
-	enables = pci_read_config8(dev, 0x4c);
-	printk(BIOS_DEBUG, "IRQs in reg. 4c are 0x%x\n", enables & 0xf);
-	// clear out whatever was there.
-	enables &= ~0xf;
-	enables |= 4;
-	printk(BIOS_DEBUG, "setting reg. 4c to 0x%x\n", enables);
-	pci_write_config8(dev, 0x4c, enables);
-
-	// set up the serial port interrupts.
-	// com2 to 3, com1 to 4
-	pci_write_config8(dev, 0x46, 0x04);
-	pci_write_config8(dev, 0x47, 0x03);
-	pci_write_config8(dev, 0x6e, 0x98);
-
-	/* set up isa bus -- i/o recovery time, rom write enable, extend-ale */
-	pci_write_config8(dev, 0x40, 0x54);
-	//ethernet_fixup();
-
-	// Start the rtc
-	cmos_init(0);
-}
-
-static void vt8231_read_resources(device_t dev)
-{
-	struct resource *res;
-
-	pci_dev_read_resources(dev);
-
-	res = new_resource(dev, 1);
-	res->base = 0x0UL;
-	res->size = 0x1000UL;
-	res->limit = 0xffffUL;
-	res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
-
-	res = new_resource(dev, 3); /* IOAPIC */
-	res->base = IO_APIC_ADDR;
-	res->size = 0x00001000;
-	res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
-}
-
-static void southbridge_init(struct device *dev)
-{
-	vt8231_init(dev);
-	pci_routing_fixup(dev);
-}
-
-static struct device_operations vt8231_lpc_ops = {
-	.read_resources   = vt8231_read_resources,
-	.set_resources    = pci_dev_set_resources,
-	.enable_resources = pci_dev_enable_resources,
-	.init		  = &southbridge_init,
-	.scan_bus	  = scan_static_bus,
-	.enable           = 0,
-	.ops_pci          = 0,
-};
-
-static const struct pci_driver lpc_driver __pci_driver = {
-	.ops	= &vt8231_lpc_ops,
-	.vendor = PCI_VENDOR_ID_VIA,
-	.device = PCI_DEVICE_ID_VIA_8231,
-};
diff --git a/src/southbridge/via/vt8231/nic.c b/src/southbridge/via/vt8231/nic.c
deleted file mode 100644
index 5cd6cd8ca1..0000000000
--- a/src/southbridge/via/vt8231/nic.c
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/pci_ids.h>
-
-/*
- * Enable the ethernet device and turn off stepping (because it is integrated
- * inside the southbridge)
- */
-static void nic_init(struct device *dev)
-{
-	uint8_t		byte;
-
-	printk(BIOS_DEBUG, "Configuring VIA LAN\n");
-
-	/* We don't need stepping - though the device supports it */
-	byte = pci_read_config8(dev, PCI_COMMAND);
-	byte &= ~PCI_COMMAND_WAIT;
-	pci_write_config8(dev, PCI_COMMAND, byte);
-}
-
-static struct device_operations nic_ops = {
-	.read_resources   = pci_dev_read_resources,
-	.set_resources    = pci_dev_set_resources,
-	.enable_resources = pci_dev_enable_resources,
-	.init		  = nic_init,
-	.enable           = 0,
-	.ops_pci          = 0,
-};
-
-static const struct pci_driver northbridge_driver __pci_driver = {
-	.ops	= &nic_ops,
-	.vendor = PCI_VENDOR_ID_VIA,
-	.device = PCI_DEVICE_ID_VIA_8233_7,
-};
diff --git a/src/southbridge/via/vt8231/usb.c b/src/southbridge/via/vt8231/usb.c
deleted file mode 100644
index e12a8db85a..0000000000
--- a/src/southbridge/via/vt8231/usb.c
+++ /dev/null
@@ -1,52 +0,0 @@
-
-static void usb_on(int enable)
-{
-	unsigned char regval;
-
-	/* Base 8231 controller */
-	device_t dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0);
-	/* USB controller 1 */
-	device_t dev2 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, 0);
-	/* USB controller 2 */
-	device_t dev3 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, dev2);
-
-	/* enable USB1 */
-	if(dev2) {
-		if (enable) {
-			pci_write_config8(dev2, 0x3c, 0x05);
-			pci_write_config8(dev2, 0x04, 0x07);
-		} else {
-			pci_write_config8(dev2, 0x3c, 0x00);
-			pci_write_config8(dev2, 0x04, 0x00);
-		}
-	}
-
-	if(dev0) {
-		regval = pci_read_config8(dev0, 0x50);
-		if (enable)
-			regval &= ~(0x10);
-		else
-			regval |= 0x10;
-		pci_write_config8(dev0, 0x50, regval);
-	}
-
-	/* enable USB2 */
-	if(dev3) {
-		if (enable) {
-			pci_write_config8(dev3, 0x3c, 0x05);
-			pci_write_config8(dev3, 0x04, 0x07);
-		} else {
-			pci_write_config8(dev3, 0x3c, 0x00);
-			pci_write_config8(dev3, 0x04, 0x00);
-		}
-	}
-
-	if(dev0) {
-		regval = pci_read_config8(dev0, 0x50);
-		if (enable)
-			regval &= ~(0x20);
-		else
-			regval |= 0x20;
-		pci_write_config8(dev0, 0x50, regval);
-	}
-}
diff --git a/src/southbridge/via/vt8231/vt8231.c b/src/southbridge/via/vt8231/vt8231.c
deleted file mode 100644
index 2011d8ab83..0000000000
--- a/src/southbridge/via/vt8231/vt8231.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ops.h>
-#include <device/pci_ids.h>
-
-#include <pc80/mc146818rtc.h>
-#include <pc80/keyboard.h>
-
-#include "chip.h"
-
-/* Base 8231 controller */
-static device_t lpc_dev;
-
-static void keyboard_on(void)
-{
-	unsigned char regval;
-
-	if (lpc_dev) {
-		regval = pci_read_config8(lpc_dev, 0x51);
-		regval |= 0x0f;
-		pci_write_config8(lpc_dev, 0x51, regval);
-	}
-	pc_keyboard_init();
-}
-
-static void com_port_on(void)
-{
-#if 0
-	// enable com1 and com2.
-	enables = pci_read_config8(dev, 0x6e);
-
-	/* 0x80 is enable com port b, 0x10 is to make it com2, 0x8
-	 * is enable com port a as com1 kevinh/Ispiri - Old code
-	 * thought 0x01 would make it com1, that was wrong enables =
-	 * 0x80 | 0x10 | 0x8 ; pci_write_config8(dev, 0x6e,
-	 * enables); // note: this is also a redo of some port of
-	 * assembly, but we want everything up.
-	 */
-
-	/* set com1 to 115 kbaud not clear how to do this yet.
-	 * forget it; done in assembly.
-	 */
-#endif
-}
-
-/* FixME: to be removed ? */
-static void vt8231_enable(struct device *dev)
-{
-	struct southbridge_via_vt8231_config *conf = dev->chip_info;
-
-	if (!lpc_dev) {
-		/* the first time called, enable devices not on PCI bus
-		 * FIXME: is that device struct there yet? */
-		lpc_dev = dev_find_device(PCI_VENDOR_ID_VIA,
-					  PCI_DEVICE_ID_VIA_8231, 0);
-		if (conf->enable_keyboard)
-			keyboard_on();
-		if (conf->enable_com_ports)
-			com_port_on();
-	}
-}
-
-struct chip_operations southbridge_via_vt8231_ops = {
-	CHIP_NAME("VIA VT8231 Southbridge")
-	.enable_dev	= vt8231_enable,
-};