/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2008 coresystems GmbH
+ * Copyright (C) 2008-2009 coresystems GmbH
*
- * 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; either version 2 of the License, or
- * (at your option) any later version.
+ * 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
{
u16 ideTimingConfig;
u32 reg32;
+ u32 enable_primary, enable_secondary;
/* Get the chip configuration */
config_t *config = dev->chip_info;
- int enable_primary = config->ide_enable_primary;
- int enable_secondary = config->ide_enable_secondary;
+ printk_debug("i82801gx_ide: initializing... ");
+ if (config == NULL) {
+ printk_err("\ni82801gx_ide: Not mentioned in mainboard's Config.lb!\n");
+ // Trying to set somewhat safe defaults instead of bailing out.
+ enable_primary = enable_secondary = 1;
+ } else {
+ enable_primary = config->ide_enable_primary;
+ enable_secondary = config->ide_enable_secondary;
+ }
reg32 = pci_read_config32(dev, PCI_COMMAND);
pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_IO | PCI_COMMAND_MASTER);
pci_write_config16(dev, IDE_TIM_SEC, ideTimingConfig);
/* Set IDE I/O Configuration */
+ reg32 = 0;
+ /* FIXME: only set FAST_* for ata/100, only ?CBx for ata/66 */
+ if (enable_primary)
+ reg32 |= SIG_MODE_PRI_NORMAL | FAST_PCB0 | PCB0 | FAST_PCB1 | PCB1;
if (enable_secondary)
- reg32 = SIG_MODE_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
- else
- reg32 = SIG_MODE_NORMAL | FAST_PCB1 | PCB1;
+ reg32 |= SIG_MODE_SEC_NORMAL | FAST_SCB0 | SCB0 | FAST_SCB1 | SCB1;
pci_write_config32(dev, IDE_CONFIG, reg32);
/* Set Interrupt Line */
/* Interrupt Pin is set by D31IP.PIP */
pci_write_config32(dev, INTR_LN, 0xff); /* Int 15 */
+
+ printk_debug("\n");
+}
+
+static void ide_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+ if (!vendor || !device) {
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ pci_read_config32(dev, PCI_VENDOR_ID));
+ } else {
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
+ }
}
+static struct pci_operations ide_pci_ops = {
+ .set_subsystem = ide_set_subsystem,
+};
+
static struct device_operations ide_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.init = ide_init,
.scan_bus = 0,
.enable = i82801gx_enable,
+ .ops_pci = &ide_pci_ops,
};
-/* 82801Gx */
+/* 82801GB/GR/GDH/GBM/GHM/GU (ICH7/ICH7R/ICH7DH/ICH7-M/ICH7-M DH/ICH7-U) */
static const struct pci_driver i82801gx_ide __pci_driver = {
.ops = &ide_ops,
.vendor = PCI_VENDOR_ID_INTEL,