diff options
Diffstat (limited to 'src/southbridge/nvidia/mcp55/usb2.c')
| -rw-r--r-- | src/southbridge/nvidia/mcp55/usb2.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/southbridge/nvidia/mcp55/usb2.c b/src/southbridge/nvidia/mcp55/usb2.c new file mode 100644 index 0000000000..cd4fe25f17 --- /dev/null +++ b/src/southbridge/nvidia/mcp55/usb2.c @@ -0,0 +1,79 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2004 Tyan Computer + * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. + * Copyright (C) 2006,2007 AMD + * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD. + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include "mcp55.h" +#include <usbdebug.h> + +extern struct ehci_debug_info dbg_info; + +static void usb2_init(struct device *dev) +{ + uint32_t dword; + dword = pci_read_config32(dev, 0xf8); + dword |= 40; + pci_write_config32(dev, 0xf8, dword); +} + +static void usb2_set_resources(struct device *dev) +{ +#if CONFIG_USBDEBUG + struct resource *res; + unsigned base; + unsigned old_debug; + + old_debug = get_ehci_debug(); + set_ehci_debug(0); +#endif + pci_dev_set_resources(dev); + +#if CONFIG_USBDEBUG + res = find_resource(dev, 0x10); + set_ehci_debug(old_debug); + if (!res) return; + base = res->base; + set_ehci_base(base); + report_resource_stored(dev, res, ""); +#endif + +} + +static struct device_operations usb2_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = usb2_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = usb2_init, +// .enable = mcp55_enable, + .scan_bus = 0, + .ops_pci = &mcp55_pci_ops, +}; + +static const struct pci_driver usb2_driver __pci_driver = { + .ops = &usb2_ops, + .vendor = PCI_VENDOR_ID_NVIDIA, + .device = PCI_DEVICE_ID_NVIDIA_MCP55_USB2, +}; |