70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/*
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* Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
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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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/of_address.h>
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#include <linux/platform_data/tegra_mc.h>
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#define DRV_NAME "tegra114-mc"
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static void __iomem *tegra_mc_base;
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static void __iomem *tegra_mc0_base;
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static void __iomem *tegra_mc1_base;
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u32 tegra114_mc_readl(u32 offs)
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{
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return readl(tegra_mc_base + offs);
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}
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EXPORT_SYMBOL(tegra114_mc_readl);
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void tegra114_mc_writel(u32 val, u32 offs)
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{
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writel(val, tegra_mc_base + offs);
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}
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EXPORT_SYMBOL(tegra114_mc_writel);
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static int tegra114_mc_probe(struct platform_device *pdev)
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{
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tegra_mc0_base = of_iomap(pdev->dev.of_node, 0);
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tegra_mc_base = of_iomap(pdev->dev.of_node, 1);
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tegra_mc1_base = of_iomap(pdev->dev.of_node, 2);
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return 0;
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}
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static const struct of_device_id tegra114_mc_of_match[] = {
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{ .compatible = "nvidia,tegra114-mc", },
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{},
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};
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static struct platform_driver tegra114_mc_driver = {
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.probe = tegra114_mc_probe,
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.driver = {
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.name = DRV_NAME,
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.owner = THIS_MODULE,
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.of_match_table = tegra114_mc_of_match,
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},
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};
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module_platform_driver(tegra114_mc_driver);
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MODULE_DESCRIPTION("Tegra114 MC driver");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS("platform:" DRV_NAME);
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