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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5b73cb5b01
This adds a platform bus driver for a fpga-mgr driver that uses the Altera Partial Reconfiguration IP component. Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Acked-by: Alan Tull <atull@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
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* Driver for Altera Partial Reconfiguration IP Core
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*
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* Copyright (C) 2016-2017 Intel Corporation
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*
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* Based on socfpga-a10.c Copyright (C) 2015-2016 Altera Corporation
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* by Alan Tull <atull@opensource.altera.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/fpga/altera-pr-ip-core.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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static int alt_pr_platform_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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void __iomem *reg_base;
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struct resource *res;
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/* First mmio base is for register access */
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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reg_base = devm_ioremap_resource(dev, res);
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if (IS_ERR(reg_base))
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return PTR_ERR(reg_base);
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return alt_pr_register(dev, reg_base);
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}
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static int alt_pr_platform_remove(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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return alt_pr_unregister(dev);
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}
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static const struct of_device_id alt_pr_of_match[] = {
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{ .compatible = "altr,a10-pr-ip", },
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{},
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};
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MODULE_DEVICE_TABLE(of, alt_pr_of_match);
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static struct platform_driver alt_pr_platform_driver = {
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.probe = alt_pr_platform_probe,
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.remove = alt_pr_platform_remove,
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.driver = {
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.name = "alt_a10_pr_ip",
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.of_match_table = alt_pr_of_match,
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},
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};
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module_platform_driver(alt_pr_platform_driver);
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MODULE_AUTHOR("Matthew Gerlach <matthew.gerlach@linux.intel.com>");
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MODULE_DESCRIPTION("Altera Partial Reconfiguration IP Platform Driver");
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MODULE_LICENSE("GPL v2");
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