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 | */ |
| 16 | |
| 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 | |
| 24 | static void ide_init(struct device *dev) |
| 25 | { |
| 26 | struct southbridge_nvidia_ck804_config *conf; |
Uwe Hermann | 7e2fbd5 | 2011-01-04 17:36:55 +0000 | [diff] [blame] | 27 | u32 dword; |
| 28 | u16 word; |
| 29 | u8 byte; |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 30 | |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 31 | conf = dev->chip_info; |
| 32 | |
| 33 | word = pci_read_config16(dev, 0x50); |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 34 | /* Ensure prefetch is disabled. */ |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 35 | word &= ~((1 << 15) | (1 << 13)); |
| 36 | if (conf->ide1_enable) { |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 37 | /* Enable secondary IDE interface. */ |
| 38 | word |= (1 << 0); |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 39 | printk(BIOS_DEBUG, "IDE1 \t"); |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 40 | } |
| 41 | if (conf->ide0_enable) { |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 42 | /* Enable primary IDE interface. */ |
| 43 | word |= (1 << 1); |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 44 | printk(BIOS_DEBUG, "IDE0\n"); |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 45 | } |
| 46 | |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 47 | word |= (1 << 12); |
| 48 | word |= (1 << 14); |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 49 | |
| 50 | pci_write_config16(dev, 0x50, word); |
| 51 | |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 52 | byte = 0x20; /* Latency: 64 --> 32 */ |
Myles Watson | 64caf36 | 2008-09-18 16:27:00 +0000 | [diff] [blame] | 53 | pci_write_config8(dev, 0xd, byte); |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 54 | |
Myles Watson | 64caf36 | 2008-09-18 16:27:00 +0000 | [diff] [blame] | 55 | dword = pci_read_config32(dev, 0xf8); |
| 56 | dword |= 12; |
| 57 | pci_write_config32(dev, 0xf8, dword); |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 58 | } |
| 59 | |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 60 | static struct device_operations ide_ops = { |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 61 | .read_resources = pci_dev_read_resources, |
| 62 | .set_resources = pci_dev_set_resources, |
| 63 | .enable_resources = pci_dev_enable_resources, |
Uwe Hermann | 7f3d48c | 2008-10-02 18:19:17 +0000 | [diff] [blame] | 64 | .init = ide_init, |
| 65 | .scan_bus = 0, |
Jonathan Kollasch | c7f3f80 | 2010-10-29 15:56:04 +0000 | [diff] [blame] | 66 | .ops_pci = &ck804_pci_ops, |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 67 | }; |
| 68 | |
Stefan Reinauer | f1cf1f7 | 2007-10-24 09:08:58 +0000 | [diff] [blame] | 69 | static const struct pci_driver ide_driver __pci_driver = { |
arch import user (historical) | 98d0d30 | 2005-07-06 17:13:46 +0000 | [diff] [blame] | 70 | .ops = &ide_ops, |
| 71 | .vendor = PCI_VENDOR_ID_NVIDIA, |
| 72 | .device = PCI_DEVICE_ID_NVIDIA_CK804_IDE, |
| 73 | }; |