diff options
Diffstat (limited to 'src/soc/intel/sch/early_smbus.c')
-rw-r--r-- | src/soc/intel/sch/early_smbus.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/src/soc/intel/sch/early_smbus.c b/src/soc/intel/sch/early_smbus.c deleted file mode 100644 index 2f9cdeb060..0000000000 --- a/src/soc/intel/sch/early_smbus.c +++ /dev/null @@ -1,57 +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. - */ - -#include <arch/io.h> -#include <console/console.h> -#include <device/pci_ids.h> -#include <device/pci_def.h> -#include "i82801gx.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, 0x2) != 0x27da) { - 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); - printk(BIOS_DEBUG, "SMBus controller enabled.\n"); -} - -int smbus_read_byte(unsigned device, unsigned address) -{ - return do_smbus_read_byte(SMBUS_IO_BASE, device, address); -} |