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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2004 Linux Networx
* Copyright (C) 2005 Bitworks
* Copyright (C) 2007 Ronald G. Minnich <rminnich@gmail.com>
*
* 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 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 <types.h>
#include <console.h>
#include <device/device.h>
#include <device/pci.h>
#include <mc146818rtc.h>
#include <string.h>
#include <statictree.h>
/* The plain PCI device uses the standard PCI operations. */
/* TODO: bring in the rest of the v2 code for controlling IDE enable.
* This is just placeholder code for now
*/
static void i82371eb_isa_init(struct device *dev)
{
rtc_init(0);
}
static void i82371eb_ide_init(struct device *dev)
{
unsigned short c;
/* These should be controlled in the dts. */
printk(BIOS_DEBUG, "Enabling IDE channel 1\n");
c = pci_read_config16(dev, 0x40);
c |= 0x8000;
pci_write_config16(dev, 0x40, c);
printk(BIOS_DEBUG, "Enabling IDE channel 2\n");
c = pci_read_config16(dev, 0x42);
c |= 0x8000;
pci_write_config16(dev, 0x42, c);
printk(BIOS_INFO, "Enabling Legacy IDE\n");
c = pci_read_config16(dev, PCI_COMMAND);
c |= 1;
pci_write_config16(dev, PCI_COMMAND, c);
}
static void i82371eb_acpi_init(struct device *dev)
{
int smbus_io, pm_io;
printk(BIOS_DEBUG, "Enabling SMBus.\n");
smbus_io = 0xFFF0;
/* iobase addr */
pci_write_config32(dev, 0x90, smbus_io | 1);
/* smbus enable */
pci_write_config8(dev, 0xd2, (0x4 << 1) | 1);
/* iospace enable */
pci_write_config16(dev, PCI_COMMAND, 1);
printk(BIOS_DEBUG, "Enable Power Management Functions\n");
pm_io = 0xFF80;
/* iobase addr */
pci_write_config32(dev, 0x40, pm_io | 1);
/* enable pm io address */
pci_write_config8(dev, 0x80, 1);
}
/*NOTE: We need our own read and set resources for this part! It has
* BARS that are not in the normal place (such as SMBUS)
*/
/* You can override or extend each operation as needed for the device. */
struct device_operations i82371eb_isa = {
.id = {.type = DEVICE_ID_PCI,
{.pci = {.vendor = 0x8086,.device = 0x7000}}},
.constructor = default_device_constructor,
.phase3_scan = 0,
.phase4_read_resources = pci_dev_read_resources,
.phase4_set_resources = pci_set_resources,
.phase5_enable_resources = pci_dev_enable_resources,
.phase6_init = i82371eb_isa_init,
.ops_pci = &pci_dev_ops_pci,
};
struct device_operations i82371eb_ide = {
.id = {.type = DEVICE_ID_PCI,
{.pci = {.vendor = 0x8086,.device = 0x7010}}},
.constructor = default_device_constructor,
.phase3_scan = 0,
.phase4_read_resources = pci_dev_read_resources,
.phase4_set_resources = pci_set_resources,
.phase5_enable_resources = pci_dev_enable_resources,
.phase6_init = i82371eb_ide_init,
.ops_pci = &pci_dev_ops_pci,
};
struct device_operations i82371eb_acpi = {
.id = {.type = DEVICE_ID_PCI,
{.pci = {.vendor = 0x8086,.device = 0x7113}}},
.constructor = default_device_constructor,
.phase3_scan = 0,
.phase4_read_resources = pci_dev_read_resources,
.phase4_set_resources = pci_set_resources,
.phase5_enable_resources = pci_dev_enable_resources,
.phase6_init = i82371eb_acpi_init,
.ops_pci = &pci_dev_ops_pci,
};
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