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Add support for Intel Ibex Peak (Mobile 5) southbridge

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Change-Id: If56f2cacc5f1b2ef9c7b6aea508d458a43dd1309
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/3397
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Stefan Reinauer
2013-06-07 00:17:25 +02:00
committed by Ronald G. Minnich
parent 26419285bf
commit 0210119b4b
48 changed files with 10698 additions and 0 deletions
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77
src/southbridge/intel/ibexpeak/early_smbus.c Normal file
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/*
* 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
*/
#include <arch/io.h>
#include <console/console.h>
#include <device/pci_ids.h>
#include <device/pci_def.h>
#include "pch.h"
#include "smbus.h"
void enable_smbus(void)
{
device_t dev;
/* Set the SMBus device statically. */
dev = PCI_DEV(0x0, 0x1f, 0x3);
/* Check to make sure we've got the right device. */
if (pci_read_config16(dev, 0x0) != 0x8086) {
die("SMBus controller not found!");
}
/* Set SMBus I/O base. */
pci_write_config32(dev, SMB_BASE,
SMBUS_IO_BASE | PCI_BASE_ADDRESS_SPACE_IO);
/* Set SMBus enable. */
pci_write_config8(dev, HOSTC, HST_EN);
/* Set SMBus I/O space enable. */
pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO);
/* Disable interrupt generation. */
outb(0, SMBUS_IO_BASE + SMBHSTCTL);
/* Clear any lingering errors, so transactions can run. */
outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
print_debug("SMBus controller enabled.\n");
}
int smbus_read_byte(unsigned device, unsigned address)
{
return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
}
int smbus_write_byte(unsigned device, unsigned address, u8 data)
{
return do_smbus_write_byte(SMBUS_IO_BASE, device, address, data);
}
int smbus_block_read(unsigned device, unsigned cmd, u8 bytes, u8 *buf)
{
return do_smbus_block_read(SMBUS_IO_BASE, device, cmd, bytes, buf);
}
int smbus_block_write(unsigned device, unsigned cmd, u8 bytes, const u8 *buf)
{
return do_smbus_block_write(SMBUS_IO_BASE, device, cmd, bytes, buf);
}