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/*
* RDC321x southbrige driver
*
* Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <asm/rdc321x_defs.h>
static struct pci_dev *rdc321x_sb_pdev;
/*
* Unlocked PCI configuration space accessors
*/
int rdc321x_pci_read(int reg, u32 *val)
{
int err;
err = pci_read_config_dword(rdc321x_sb_pdev, reg, val);
if (err)
return err;
return err;
}
EXPORT_SYMBOL(rdc321x_pci_read);
int rdc321x_pci_write(int reg, u32 val)
{
int err;
err = pci_write_config_dword(rdc321x_sb_pdev, reg, val);
if (err)
return err;
return err;
}
EXPORT_SYMBOL(rdc321x_pci_write);
static struct platform_device rdc321x_wdt_device = {
.name = "rdc321x-wdt"
};
static struct platform_device rdc321x_gpio_device = {
.name = "rdc321x-gpio"
};
static int __devinit rdc321x_sb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int err;
err = pci_enable_device(pdev);
if (err) {
printk(KERN_ERR "failed to enable device\n");
return err;
}
rdc321x_sb_pdev = pdev;
err = platform_device_register(&rdc321x_wdt_device);
if (err) {
dev_err(&pdev->dev, "failed to register watchdog\n");
return err;
}
err = platform_device_register(&rdc321x_gpio_device);
if (err) {
dev_err(&pdev->dev, "failed to register gpiochip\n");
return err;
}
dev_info(&rdc321x_sb_pdev->dev, "RDC321x southhridge registered\n");
return err;
}
static struct pci_device_id rdc321x_sb_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) },
{}
};
static struct pci_driver rdc321x_sb_driver = {
.name = "RDC3210 Southbridge",
.id_table = rdc321x_sb_table,
.probe = rdc321x_sb_probe
};
static int __init rdc321x_sb_init(void)
{
return pci_register_driver(&rdc321x_sb_driver);
}
device_initcall(rdc321x_sb_init);
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