80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2014 Vladimir Serbinenko
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <kconfig.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <arch/io.h>
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#include "chip.h"
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static void rce822_enable(struct device *dev)
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{
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struct drivers_ricoh_rce822_config *config = dev->chip_info;
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pci_write_config8(dev, 0xca, 0x57);
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pci_write_config8(dev, 0xcb, config->disable_mask);
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pci_write_config8(dev, 0xca, 0x00);
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}
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static void rce822_init(struct device *dev)
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{
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struct drivers_ricoh_rce822_config *config = dev->chip_info;
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pci_write_config8(dev, 0xf9, 0xfc);
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pci_write_config8(dev, 0xfb, config->sdwppol << 1);
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pci_write_config8(dev, 0xf9, 0x00);
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}
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static void rce822_set_subsystem(device_t dev, unsigned vendor, unsigned device)
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{
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if (!vendor || !device) {
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pci_write_config32(dev, 0xac,
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pci_read_config32(dev, PCI_VENDOR_ID));
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} else {
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pci_write_config32(dev, 0xac,
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((device & 0xffff) << 16) | (vendor & 0xffff));
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}
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}
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static struct pci_operations lops_pci = {
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.set_subsystem = &rce822_set_subsystem,
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};
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static struct device_operations usb_ehci_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = rce822_init,
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.enable = rce822_enable,
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.scan_bus = 0,
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.ops_pci = &lops_pci,
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};
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static const unsigned short pci_device_ids[] = { 0xe822, 0xe823, 0 };
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static const struct pci_driver pch_usb_ehci __pci_driver = {
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.ops = &usb_ehci_ops,
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.vendor = PCI_VENDOR_ID_RICOH,
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.devices = pci_device_ids,
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};
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