836ae29ee3
the prefix was introduced in the early v2 tree many years ago because our old build system "newconfig" could not handle two files with the same name in different paths like /path/to/usb.c and /another/path/to/usb.c correctly. Only one of the files would end up being compiled into the final image. Since Kconfig (actually since shortly before we switched to Kconfig) we don't suffer from that problem anymore. So we could drop the sb700_ prefix from all those filenames (or, the <componentname>_ prefix in general) - makes it easier to fork off a new chipset - makes it easier to diff against other chipsets - storing redundant information in filenames seems wrong Signed-off-by: <stepan@coresystems.de> Acked-by: Patrick Georgi <patrick@georgi-clan.de> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6149 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
129 lines
4.0 KiB
C
129 lines
4.0 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2008-2009 coresystems GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include "i82801gx.h"
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typedef struct southbridge_intel_i82801gx_config config_t;
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static void ide_init(struct device *dev)
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{
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u16 ideTimingConfig;
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u32 reg32;
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u32 enable_primary, enable_secondary;
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/* Get the chip configuration */
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config_t *config = dev->chip_info;
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printk(BIOS_DEBUG, "i82801gx_ide: initializing... ");
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if (config == NULL) {
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printk(BIOS_ERR, "\ni82801gx_ide: Not mentioned in devicetree.cb!\n");
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// Trying to set somewhat safe defaults instead of bailing out.
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enable_primary = enable_secondary = 1;
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} else {
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enable_primary = config->ide_enable_primary;
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enable_secondary = config->ide_enable_secondary;
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}
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reg32 = pci_read_config32(dev, PCI_COMMAND);
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pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_IO | PCI_COMMAND_MASTER);
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/* Native Capable, but not enabled. */
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pci_write_config8(dev, 0x09, 0x8a);
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ideTimingConfig = pci_read_config16(dev, IDE_TIM_PRI);
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ideTimingConfig &= ~IDE_DECODE_ENABLE;
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ideTimingConfig |= IDE_SITRE;
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if (enable_primary) {
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/* Enable primary IDE interface. */
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ideTimingConfig |= IDE_DECODE_ENABLE;
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ideTimingConfig |= (2 << 12); // ISP = 3 clocks
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ideTimingConfig |= (3 << 8); // RCT = 1 clock
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ideTimingConfig |= (1 << 1); // IE0
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ideTimingConfig |= (1 << 0); // TIME0
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printk(BIOS_DEBUG, "IDE0 ");
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}
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pci_write_config16(dev, IDE_TIM_PRI, ideTimingConfig);
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ideTimingConfig = pci_read_config16(dev, IDE_TIM_SEC);
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ideTimingConfig &= ~IDE_DECODE_ENABLE;
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ideTimingConfig |= IDE_SITRE;
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if (enable_secondary) {
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/* Enable secondary IDE interface. */
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ideTimingConfig |= IDE_DECODE_ENABLE;
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ideTimingConfig |= (2 << 12); // ISP = 3 clocks
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ideTimingConfig |= (3 << 8); // RCT = 1 clock
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ideTimingConfig |= (1 << 1); // IE0
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ideTimingConfig |= (1 << 0); // TIME0
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printk(BIOS_DEBUG, "IDE1 ");
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}
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pci_write_config16(dev, IDE_TIM_SEC, ideTimingConfig);
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/* Set IDE I/O Configuration */
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reg32 = 0;
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/* FIXME: only set FAST_* for ata/100, only ?CBx for ata/66 */
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if (enable_primary)
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reg32 |= SIG_MODE_PRI_NORMAL | FAST_PCB0 | PCB0 | FAST_PCB1 | PCB1;
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if (enable_secondary)
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reg32 |= SIG_MODE_SEC_NORMAL | FAST_SCB0 | SCB0 | FAST_SCB1 | SCB1;
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pci_write_config32(dev, IDE_CONFIG, reg32);
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/* Set Interrupt Line */
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/* Interrupt Pin is set by D31IP.PIP */
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pci_write_config32(dev, INTR_LN, 0xff); /* Int 15 */
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printk(BIOS_DEBUG, "\n");
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}
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static void ide_set_subsystem(device_t dev, unsigned vendor, unsigned device)
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{
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if (!vendor || !device) {
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pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
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pci_read_config32(dev, PCI_VENDOR_ID));
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} else {
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pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
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((device & 0xffff) << 16) | (vendor & 0xffff));
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}
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}
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static struct pci_operations ide_pci_ops = {
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.set_subsystem = ide_set_subsystem,
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};
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static struct device_operations ide_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = ide_init,
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.scan_bus = 0,
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.enable = i82801gx_enable,
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.ops_pci = &ide_pci_ops,
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};
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/* 82801GB/GR/GDH/GBM/GHM/GU (ICH7/ICH7R/ICH7DH/ICH7-M/ICH7-M DH/ICH7-U) */
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static const struct pci_driver i82801gx_ide __pci_driver = {
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.ops = &ide_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = 0x27df,
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};
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