diff options
Diffstat (limited to 'src/southbridge/nvidia/ck804/usb.c')
-rw-r--r-- | src/southbridge/nvidia/ck804/usb.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/src/southbridge/nvidia/ck804/usb.c b/src/southbridge/nvidia/ck804/usb.c deleted file mode 100644 index f7c315af91..0000000000 --- a/src/southbridge/nvidia/ck804/usb.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2004 Tyan Computer - * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. - * - * 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 <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include "chip.h" - -static void usb1_init(struct device *dev) -{ - struct southbridge_nvidia_ck804_config const *conf = dev->chip_info; - - if (!conf->usb1_hc_reset) - return; - - /* - * Somehow the warm reset does not really reset the USB - * controller. Later, during boot, when the Bus Master bit is - * set, the USB controller trashes the memory, causing weird - * misbehavior. Was detected on Sun Ultra40, where mptable - * was damaged. - */ - u32 bar0 = pci_read_config32(dev, 0x10); - u32 *regs = (u32 *) (bar0 & ~0xfff); - - /* OHCI USB HCCommandStatus Register, HostControllerReset bit */ - regs[2] |= 1; -} - -static struct device_operations usb_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = usb1_init, - .scan_bus = 0, - .ops_pci = &ck804_pci_ops, -}; - -static const struct pci_driver usb_driver __pci_driver = { - .ops = &usb_ops, - .vendor = PCI_VENDOR_ID_NVIDIA, - .device = PCI_DEVICE_ID_NVIDIA_CK804_USB, -}; |