diff options
Diffstat (limited to 'src/southbridge/intel/ibexpeak/smbus.c')
-rw-r--r-- | src/southbridge/intel/ibexpeak/smbus.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/src/southbridge/intel/ibexpeak/smbus.c b/src/southbridge/intel/ibexpeak/smbus.c deleted file mode 100644 index 490819b082..0000000000 --- a/src/southbridge/intel/ibexpeak/smbus.c +++ /dev/null @@ -1,109 +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 - */ - -#include <console/console.h> -#include <device/device.h> -#include <device/path.h> -#include <device/smbus.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include <arch/io.h> -#include "pch.h" -#include "smbus.h" - -static void pch_smbus_init(device_t dev) -{ - struct resource *res; - u16 reg16; - - /* Enable clock gating */ - reg16 = pci_read_config32(dev, 0x80); - reg16 &= ~((1 << 8)|(1 << 10)|(1 << 12)|(1 << 14)); - pci_write_config32(dev, 0x80, reg16); - - /* Set Receive Slave Address */ - res = find_resource(dev, PCI_BASE_ADDRESS_4); - if (res) - outb(SMBUS_SLAVE_ADDR, res->base + SMB_RCV_SLVA); -} - -static int lsmbus_read_byte(device_t dev, u8 address) -{ - u16 device; - struct resource *res; - struct bus *pbus; - - device = dev->path.i2c.device; - pbus = get_pbus_smbus(dev); - res = find_resource(pbus->dev, 0x20); - - return do_smbus_read_byte(res->base, device, address); -} - -static struct smbus_bus_operations lops_smbus_bus = { - .read_byte = lsmbus_read_byte, -}; - -static void smbus_set_subsystem(device_t dev, unsigned vendor, unsigned device) -{ - if (!vendor || !device) { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - pci_read_config32(dev, PCI_VENDOR_ID)); - } else { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - ((device & 0xffff) << 16) | (vendor & 0xffff)); - } -} - -static struct pci_operations smbus_pci_ops = { - .set_subsystem = smbus_set_subsystem, -}; - -static void smbus_read_resources(device_t dev) -{ - struct resource *res = new_resource(dev, PCI_BASE_ADDRESS_4); - res->base = SMBUS_IO_BASE; - res->size = 32; - res->limit = res->base + res->size - 1; - res->flags = IORESOURCE_IO | IORESOURCE_FIXED | IORESOURCE_RESERVE | - IORESOURCE_STORED | IORESOURCE_ASSIGNED; - - /* Also add MMIO resource */ - res = pci_get_resource(dev, PCI_BASE_ADDRESS_0); -} - -static struct device_operations smbus_ops = { - .read_resources = smbus_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .scan_bus = scan_static_bus, - .init = pch_smbus_init, - .ops_smbus_bus = &lops_smbus_bus, - .ops_pci = &smbus_pci_ops, -}; - -static const unsigned short pci_device_ids[] = { 0x3b30, 0 }; - -static const struct pci_driver pch_smbus __pci_driver = { - .ops = &smbus_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .devices = pci_device_ids, -}; |