2 * This file is part of the coreboot project.
4 * Copyright (C) 2007, 2008 Rudolf Marek <r.marek@assembler.cz>
5 * Copyright (C) 2009 Jon Harrison <bothlyn@blueyonder.co.uk>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <console/console.h>
22 #include <device/device.h>
23 #include <device/pci.h>
24 #include <device/pci_ids.h>
27 #if CONFIG_EPIA_VT8237R_INIT
28 u32 usb_io_addr[4] = {0xcc00, 0xd000, 0xd400, 0xd800};
31 static void usb_i_init(struct device *dev)
34 #if CONFIG_EPIA_VT8237R_INIT
37 printk(BIOS_DEBUG, "Entering %s\n", __func__);
39 printk(BIOS_SPEW, "%s Read %02X from PCI Command Reg\n", dev_path(dev), reg8);
41 reg8 = pci_read_config8(dev, 0x04);
43 reg8 = reg8 | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
44 pci_write_config8(dev, 0x04, reg8);
46 printk(BIOS_SPEW, "%s Wrote %02X to PCI Command Reg\n", dev_path(dev), reg8);
48 /* Set Cache Line Size and Latency Timer */
49 pci_write_config8(dev, 0x0c, 0x08);
50 pci_write_config8(dev, 0x0d, 0x20);
52 /* Enable Sub Device ID Back Door and set Generic */
53 reg8 = pci_read_config8(dev, 0x42);
55 pci_write_config8(dev, 0x42, reg8);
56 pci_write_config16(dev, 0x2e, 0xAA07);
58 pci_write_config8(dev, 0x42, reg8);
61 pci_write_config8(dev, 0x41, 0x12);
63 pci_write_config8(dev, 0x49, 0x0B);
65 /* Clear PCI Status */
66 pci_write_config16(dev, 0x06, 0x7A10);
71 static void vt8237_usb_i_read_resources(struct device *dev)
73 #if CONFIG_EPIA_VT8237R_INIT
75 u8 function = (u8) dev->path.pci.devfn & 0x7;
77 printk(BIOS_SPEW, "VT8237R Fixing USB 1.1 fn %d I/O resource = 0x%04X\n", function, usb_io_addr[function]);
79 /* Fix the I/O Resources of the USB1.1 Interfaces */
80 /* Auto PCI probe seems to size the resources */
82 res = new_resource(dev, PCI_BASE_ADDRESS_4);
83 res->base = usb_io_addr[function];
85 res->limit = 0xffffUL;
88 res->flags = IORESOURCE_IO | IORESOURCE_FIXED |
91 pci_dev_read_resources(dev);
96 static void usb_ii_init(struct device *dev)
98 #if CONFIG_EPIA_VT8237R_INIT
101 printk(BIOS_DEBUG, "Entering %s\n", __func__);
103 /* Set memory Write and Invalidate */
104 reg8 = pci_read_config8(dev, 0x04);
106 pci_write_config8(dev, 0x04, reg8);
108 /* Set Cache line Size and Latency Timer */
109 pci_write_config8(dev, 0x0c, 0x08);
110 pci_write_config8(dev, 0x0d, 0x20);
112 /* Clear PCI Status */
113 pci_write_config16(dev, 0x06, 0x7A10);
118 static void vt8237_usb_ii_read_resources(struct device *dev)
120 #if CONFIG_EPIA_VT8237R_INIT
121 struct resource *res;
123 /* Fix the I/O Resources of the USB2.0 Interface */
124 res = new_resource(dev, PCI_BASE_ADDRESS_0);
125 res->base = 0xF6000000ULL;
129 res->limit = res->base + res->size - 1;
130 res->flags = IORESOURCE_MEM | IORESOURCE_FIXED |
133 pci_dev_read_resources(dev);
138 static const struct device_operations usb_i_ops = {
139 .read_resources = vt8237_usb_i_read_resources,
140 .set_resources = pci_dev_set_resources,
141 .enable_resources = pci_dev_enable_resources,
147 static const struct device_operations usb_ii_ops = {
148 .read_resources = vt8237_usb_ii_read_resources,
149 .set_resources = pci_dev_set_resources,
150 .enable_resources = pci_dev_enable_resources,
156 static const struct pci_driver vt8237r_driver_usbii __pci_driver = {
158 .vendor = PCI_VENDOR_ID_VIA,
159 .device = PCI_DEVICE_ID_VIA_VT8237R_EHCI,
162 static const struct pci_driver vt8237r_driver_usbi __pci_driver = {
164 .vendor = PCI_VENDOR_ID_VIA,
165 .device = PCI_DEVICE_ID_VIA_VT8237R_UHCI,