| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2014 Vladimir Serbinenko |
| * |
| * 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 <kconfig.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <arch/io.h> |
| #include "chip.h" |
| |
| static void rce822_enable(struct device *dev) |
| { |
| struct drivers_ricoh_rce822_config *config = dev->chip_info; |
| |
| pci_write_config8(dev, 0xca, 0x57); |
| pci_write_config8(dev, 0xcb, config->disable_mask); |
| pci_write_config8(dev, 0xca, 0x00); |
| } |
| |
| static void rce822_init(struct device *dev) |
| { |
| struct drivers_ricoh_rce822_config *config = dev->chip_info; |
| |
| pci_write_config8(dev, 0xf9, 0xfc); |
| pci_write_config8(dev, 0xfb, config->sdwppol << 1); |
| pci_write_config8(dev, 0xf9, 0x00); |
| } |
| |
| static void rce822_set_subsystem(device_t dev, unsigned vendor, unsigned device) |
| { |
| if (!vendor || !device) { |
| pci_write_config32(dev, 0xac, |
| pci_read_config32(dev, PCI_VENDOR_ID)); |
| } else { |
| pci_write_config32(dev, 0xac, |
| ((device & 0xffff) << 16) | (vendor & 0xffff)); |
| } |
| } |
| |
| static struct pci_operations lops_pci = { |
| .set_subsystem = &rce822_set_subsystem, |
| }; |
| |
| static struct device_operations rce822_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = rce822_init, |
| .enable = rce822_enable, |
| .scan_bus = 0, |
| .ops_pci = &lops_pci, |
| }; |
| |
| static const unsigned short pci_device_ids[] = { 0xe822, 0xe823, 0 }; |
| |
| static const struct pci_driver rce822 __pci_driver = { |
| .ops = &rce822_ops, |
| .vendor = PCI_VENDOR_ID_RICOH, |
| .devices = pci_device_ids, |
| }; |