/* * 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. */ #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, };