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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.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_VENDOR_ID_INTEL,
.device = 0x24cb,
};
/* 82801DBM */
static const struct pci_driver i82801dbm_ide __pci_driver = {
.ops = &ide_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x24ca,
};
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