| /* |
| * This file is part of the coreboot project. |
| * |
| * 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 <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| #include "amd8111.h" |
| |
| static void ide_init(struct device *dev) |
| { |
| struct southbridge_amd_amd8111_config *conf; |
| /* Enable ide devices so the linux ide driver will work */ |
| uint16_t word; |
| uint8_t byte; |
| conf = dev->chip_info; |
| |
| word = pci_read_config16(dev, 0x40); |
| /* Ensure prefetch is disabled */ |
| word &= ~((1 << 15) | (1 << 13)); |
| if (conf->ide1_enable) { |
| /* Enable secondary ide interface */ |
| word |= (1<<0); |
| printk(BIOS_DEBUG, "IDE1 "); |
| } |
| if (conf->ide0_enable) { |
| /* Enable primary ide interface */ |
| word |= (1<<1); |
| printk(BIOS_DEBUG, "IDE0 "); |
| } |
| |
| word |= (1<<12); |
| word |= (1<<14); |
| |
| pci_write_config16(dev, 0x40, word); |
| |
| |
| byte = 0x20; // Latency: 64-->32 |
| pci_write_config8(dev, 0xd, byte); |
| |
| word = 0x0f; |
| pci_write_config16(dev, 0x42, word); |
| } |
| |
| static void lpci_set_subsystem(struct device *dev, unsigned int vendor, |
| unsigned int device) |
| { |
| pci_write_config32(dev, 0x70, |
| ((device & 0xffff) << 16) | (vendor & 0xffff)); |
| } |
| static struct pci_operations lops_pci = { |
| .set_subsystem = lpci_set_subsystem, |
| }; |
| static struct device_operations ide_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = ide_init, |
| .scan_bus = 0, |
| .enable = amd8111_enable, |
| .ops_pci = &lops_pci |
| }; |
| |
| static const struct pci_driver ide_driver __pci_driver = { |
| .ops = &ide_ops, |
| .vendor = PCI_VENDOR_ID_AMD, |
| .device = PCI_DEVICE_ID_AMD_8111_IDE, |
| }; |