diff options
Diffstat (limited to 'src/southbridge/intel/i82801dx/i82801dx_ide.c')
| -rw-r--r-- | src/southbridge/intel/i82801dx/i82801dx_ide.c | 95 |
1 files changed, 62 insertions, 33 deletions
diff --git a/src/southbridge/intel/i82801dx/i82801dx_ide.c b/src/southbridge/intel/i82801dx/i82801dx_ide.c index bb3510783d..bf879a9c3c 100644 --- a/src/southbridge/intel/i82801dx/i82801dx_ide.c +++ b/src/southbridge/intel/i82801dx/i82801dx_ide.c @@ -1,3 +1,23 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2004 Ronald G. Minnich + * + * 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. + * + * 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> @@ -5,49 +25,58 @@ #include <device/pci_ops.h> #include "i82801dx.h" +typedef struct southbridge_intel_i82801dx_config config_t; static void ide_init(struct device *dev) { -#if ICH5_SATA_ADDRESS_MAP<=1 - /* Enable ide devices so the linux ide driver will work */ - uint16_t word; - uint8_t byte; - int enable_a=1, enable_b=1; - - - word = pci_read_config16(dev, 0x40); - word &= ~((1 << 15)); - if (enable_a) { - /* Enable first ide interface */ - word |= (1<<15); - printk_debug("IDE0 "); + /* Get the chip configuration */ + config_t *config = dev->chip_info; + + /* Enable IDE devices so the Linux IDE driver will work. */ + uint16_t ideTimingConfig; + + ideTimingConfig = pci_read_config16(dev, IDE_TIM_PRI); + ideTimingConfig &= ~IDE_DECODE_ENABLE; + if (!config || config->ide0_enable) { + /* Enable primary IDE interface. */ + ideTimingConfig |= IDE_DECODE_ENABLE; + printk_debug("IDE0: Primary IDE interface is enabled\n"); + } else { + printk_info("IDE0: Primary IDE interface is disabled\n"); } - pci_write_config16(dev, 0x40, word); - - word = pci_read_config16(dev, 0x42); - word &= ~((1 << 15)); - if (enable_b) { - /* Enable secondary ide interface */ - word |= (1<<15); - printk_debug("IDE1 "); - } - pci_write_config16(dev, 0x42, word); -#endif + pci_write_config16(dev, IDE_TIM_PRI, ideTimingConfig); + ideTimingConfig = pci_read_config16(dev, IDE_TIM_SEC); + ideTimingConfig &= ~IDE_DECODE_ENABLE; + if (!config || config->ide1_enable) { + /* Enable secondary IDE interface. */ + ideTimingConfig |= IDE_DECODE_ENABLE; + printk_debug("IDE1: Secondary IDE interface is enabled\n"); + } else { + printk_info("IDE1: Secondary IDE interface is disabled\n"); + } + pci_write_config16(dev, IDE_TIM_SEC, ideTimingConfig); } -static struct device_operations ide_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, +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 = i82801dx_enable, + .init = ide_init, + .scan_bus = 0, + .enable = i82801dx_enable, }; -static const struct pci_driver ide_driver __pci_driver = { - .ops = &ide_ops, +/* 82801DB */ +static const struct pci_driver i82801db_ide __pci_driver = { + .ops = &ide_ops, .vendor = PCI_VENDOR_ID_INTEL, - .device = PCI_DEVICE_ID_INTEL_82801DBM_IDE, + .device = 0x24cb, }; +/* 82801DBM */ +static const struct pci_driver i82801dbm_ide __pci_driver = { + .ops = &ide_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x24ca, +}; |