| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| #include <stdint.h> |
| |
| #include "chip.h" |
| #include "i82801dx.h" |
| |
| typedef struct southbridge_intel_i82801dx_config config_t; |
| |
| static void ide_init(struct device *dev) |
| { |
| /* 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(BIOS_DEBUG, "IDE0: Primary IDE interface is enabled\n"); |
| } else { |
| printk(BIOS_INFO, "IDE0: Primary IDE interface is disabled\n"); |
| } |
| 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(BIOS_DEBUG, "IDE1: Secondary IDE interface is enabled\n"); |
| } else { |
| printk(BIOS_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, |
| .enable_resources = pci_dev_enable_resources, |
| .init = ide_init, |
| .enable = i82801dx_enable, |
| }; |
| |
| /* 82801DB */ |
| static const struct pci_driver i82801db_ide __pci_driver = { |
| .ops = &ide_ops, |
| .vendor = PCI_VID_INTEL, |
| .device = 0x24cb, |
| }; |
| |
| /* 82801DBM */ |
| static const struct pci_driver i82801dbm_ide __pci_driver = { |
| .ops = &ide_ops, |
| .vendor = PCI_VID_INTEL, |
| .device = 0x24ca, |
| }; |