| From 78ffcb1fd105ec0289d496df641c391d87e3c773 Mon Sep 17 00:00:00 2001 |
| From: Matthew Gerlach <matthew.gerlach@linux.intel.com> |
| Date: Thu, 23 Mar 2017 19:34:30 -0500 |
| Subject: [PATCH 094/103] fpga pr ip: Platform driver for Altera Partial |
| Reconfiguration IP. |
| |
| 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> |
| --- |
| drivers/fpga/Kconfig | 7 +++ |
| drivers/fpga/Makefile | 1 |
| drivers/fpga/altera-pr-ip-core-plat.c | 68 ++++++++++++++++++++++++++++++++++ |
| 3 files changed, 76 insertions(+) |
| create mode 100644 drivers/fpga/altera-pr-ip-core-plat.c |
| |
| --- a/drivers/fpga/Kconfig |
| +++ b/drivers/fpga/Kconfig |
| @@ -88,6 +88,13 @@ config ALTERA_PR_IP_CORE |
| help |
| Core driver support for Altera Partial Reconfiguration IP component |
| |
| +config ALTERA_PR_IP_CORE_PLAT |
| + tristate "Platform support of Altera Partial Reconfiguration IP Core" |
| + depends on ALTERA_PR_IP_CORE && OF && HAS_IOMEM |
| + help |
| + Platform driver support for Altera Partial Reconfiguration IP |
| + component |
| + |
| endif # FPGA |
| |
| endmenu |
| --- a/drivers/fpga/Makefile |
| +++ b/drivers/fpga/Makefile |
| @@ -13,6 +13,7 @@ obj-$(CONFIG_FPGA_MGR_TS73XX) += ts73xx |
| obj-$(CONFIG_FPGA_MGR_XILINX_SPI) += xilinx-spi.o |
| obj-$(CONFIG_FPGA_MGR_ZYNQ_FPGA) += zynq-fpga.o |
| obj-$(CONFIG_ALTERA_PR_IP_CORE) += altera-pr-ip-core.o |
| +obj-$(CONFIG_ALTERA_PR_IP_CORE_PLAT) += altera-pr-ip-core-plat.o |
| |
| # FPGA Bridge Drivers |
| obj-$(CONFIG_FPGA_BRIDGE) += fpga-bridge.o |
| --- /dev/null |
| +++ b/drivers/fpga/altera-pr-ip-core-plat.c |
| @@ -0,0 +1,68 @@ |
| +/* |
| + * Driver for Altera Partial Reconfiguration IP Core |
| + * |
| + * Copyright (C) 2016-2017 Intel Corporation |
| + * |
| + * Based on socfpga-a10.c Copyright (C) 2015-2016 Altera Corporation |
| + * by Alan Tull <atull@opensource.altera.com> |
| + * |
| + * This program is free software; you can redistribute it and/or modify it |
| + * under the terms and conditions of the GNU General Public License, |
| + * version 2, as published by the Free Software Foundation. |
| + * |
| + * This program is distributed in the hope 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/fpga/altera-pr-ip-core.h> |
| +#include <linux/module.h> |
| +#include <linux/of_device.h> |
| + |
| +static int alt_pr_platform_probe(struct platform_device *pdev) |
| +{ |
| + struct device *dev = &pdev->dev; |
| + void __iomem *reg_base; |
| + struct resource *res; |
| + |
| + /* First mmio base is for register access */ |
| + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| + |
| + reg_base = devm_ioremap_resource(dev, res); |
| + |
| + if (IS_ERR(reg_base)) |
| + return PTR_ERR(reg_base); |
| + |
| + return alt_pr_register(dev, reg_base); |
| +} |
| + |
| +static int alt_pr_platform_remove(struct platform_device *pdev) |
| +{ |
| + struct device *dev = &pdev->dev; |
| + |
| + return alt_pr_unregister(dev); |
| +} |
| + |
| +static const struct of_device_id alt_pr_of_match[] = { |
| + { .compatible = "altr,a10-pr-ip", }, |
| + {}, |
| +}; |
| + |
| +MODULE_DEVICE_TABLE(of, alt_pr_of_match); |
| + |
| +static struct platform_driver alt_pr_platform_driver = { |
| + .probe = alt_pr_platform_probe, |
| + .remove = alt_pr_platform_remove, |
| + .driver = { |
| + .name = "alt_a10_pr_ip", |
| + .of_match_table = alt_pr_of_match, |
| + }, |
| +}; |
| + |
| +module_platform_driver(alt_pr_platform_driver); |
| +MODULE_AUTHOR("Matthew Gerlach <matthew.gerlach@linux.intel.com>"); |
| +MODULE_DESCRIPTION("Altera Partial Reconfiguration IP Platform Driver"); |
| +MODULE_LICENSE("GPL v2"); |