mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-01 14:26:46 +07:00
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2015 Hisilicon Limited, All Rights Reserved.
|
||
|
|
* Author: Jun Ma <majun258@huawei.com>
|
||
|
|
* Author: Yun Wu <wuyun.wu@huawei.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/of_address.h>
|
||
|
|
#include <linux/of_irq.h>
|
||
|
|
#include <linux/of_platform.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct mbigen_device - holds the information of mbigen device.
|
||
|
|
*
|
||
|
|
* @pdev: pointer to the platform device structure of mbigen chip.
|
||
|
|
* @base: mapped address of this mbigen chip.
|
||
|
|
*/
|
||
|
|
struct mbigen_device {
|
||
|
|
struct platform_device *pdev;
|
||
|
|
void __iomem *base;
|
||
|
|
};
|
||
|
|
|
||
|
|
static int mbigen_device_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct mbigen_device *mgn_chip;
|
||
|
|
struct resource *res;
|
||
|
|
|
||
|
|
mgn_chip = devm_kzalloc(&pdev->dev, sizeof(*mgn_chip), GFP_KERNEL);
|
||
|
|
if (!mgn_chip)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
mgn_chip->pdev = pdev;
|
||
|
|
|
||
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||
|
|
mgn_chip->base = devm_ioremap_resource(&pdev->dev, res);
|
||
|
|
if (IS_ERR(mgn_chip->base))
|
||
|
|
return PTR_ERR(mgn_chip->base);
|
||
|
|
|
||
|
|
platform_set_drvdata(pdev, mgn_chip);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct of_device_id mbigen_of_match[] = {
|
||
|
|
{ .compatible = "hisilicon,mbigen-v2" },
|
||
|
|
{ /* END */ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(of, mbigen_of_match);
|
||
|
|
|
||
|
|
static struct platform_driver mbigen_platform_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "Hisilicon MBIGEN-V2",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.of_match_table = mbigen_of_match,
|
||
|
|
},
|
||
|
|
.probe = mbigen_device_probe,
|
||
|
|
};
|
||
|
|
|
||
|
|
module_platform_driver(mbigen_platform_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Jun Ma <majun258@huawei.com>");
|
||
|
|
MODULE_AUTHOR("Yun Wu <wuyun.wu@huawei.com>");
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
MODULE_DESCRIPTION("Hisilicon MBI Generator driver");
|