arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 1 | /* |
Uwe Hermann | 8af6d55 | 2010-10-17 19:13:18 +0000 | [diff] [blame] | 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2004 Tyan Computer |
| 5 | * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. |
| 6 | * |
| 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; version 2 of the License. |
| 10 | * |
| 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. |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 15 | */ |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 16 | |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 17 | #include <console/console.h> |
| 18 | #include <device/device.h> |
| 19 | #include <device/pci.h> |
| 20 | #include <device/pci_ids.h> |
| 21 | #include <device/pci_ops.h> |
Kyösti Mälkki | 413e3da | 2015-02-03 08:05:55 +0200 | [diff] [blame] | 22 | #include "chip.h" |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 23 | |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 24 | static void usb1_init(struct device *dev) |
| 25 | { |
| 26 | struct southbridge_nvidia_ck804_config const *conf = dev->chip_info; |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 27 | |
Uwe Hermann | 7e2fbd5 | 2011-01-04 17:36:55 +0000 | [diff] [blame] | 28 | if (!conf->usb1_hc_reset) |
| 29 | return; |
| 30 | |
| 31 | /* |
| 32 | * Somehow the warm reset does not really reset the USB |
| 33 | * controller. Later, during boot, when the Bus Master bit is |
| 34 | * set, the USB controller trashes the memory, causing weird |
| 35 | * misbehavior. Was detected on Sun Ultra40, where mptable |
| 36 | * was damaged. |
| 37 | */ |
| 38 | u32 bar0 = pci_read_config32(dev, 0x10); |
| 39 | u32 *regs = (u32 *) (bar0 & ~0xfff); |
| 40 | |
| 41 | /* OHCI USB HCCommandStatus Register, HostControllerReset bit */ |
| 42 | regs[2] |= 1; |
Roman Kononov | 958a1f3 | 2007-02-02 22:40:10 +0000 | [diff] [blame] | 43 | } |
| 44 | |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 45 | static struct device_operations usb_ops = { |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 46 | .read_resources = pci_dev_read_resources, |
| 47 | .set_resources = pci_dev_set_resources, |
| 48 | .enable_resources = pci_dev_enable_resources, |
Roman Kononov | 958a1f3 | 2007-02-02 22:40:10 +0000 | [diff] [blame] | 49 | .init = usb1_init, |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 50 | .scan_bus = 0, |
Jonathan Kollasch | c7f3f80 | 2010-10-29 15:56:04 +0000 | [diff] [blame] | 51 | .ops_pci = &ck804_pci_ops, |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 52 | }; |
| 53 | |
Stefan Reinauer | f1cf1f7 | 2007-10-24 09:08:58 +0000 | [diff] [blame] | 54 | static const struct pci_driver usb_driver __pci_driver = { |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 55 | .ops = &usb_ops, |
| 56 | .vendor = PCI_VENDOR_ID_NVIDIA, |
| 57 | .device = PCI_DEVICE_ID_NVIDIA_CK804_USB, |
| 58 | }; |