Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 265 insertions, 0 deletions

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
new file mode 100644
index 00000000..116529a3
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -0,0 +1,265 @@
+/*******************************************************************************
+  This contains the functions to handle the platform driver.
+
+  Copyright (C) 2007-2011  STMicroelectronics Ltd
+
+  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, write to the Free Software Foundation, Inc.,
+  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
+*******************************************************************************/
+
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_net.h>
+#include "stmmac.h"
+
+#ifdef CONFIG_OF
+static int __devinit stmmac_probe_config_dt(struct platform_device *pdev,
+					    struct plat_stmmacenet_data *plat,
+					    const char **mac)
+{
+	struct device_node *np = pdev->dev.of_node;
+
+	if (!np)
+		return -ENODEV;
+
+	*mac = of_get_mac_address(np);
+	plat->interface = of_get_phy_mode(np);
+	plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
+					   sizeof(struct stmmac_mdio_bus_data),
+					   GFP_KERNEL);
+
+	/*
+	 * Currently only the properties needed on SPEAr600
+	 * are provided. All other properties should be added
+	 * once needed on other platforms.
+	 */
+	if (of_device_is_compatible(np, "st,spear600-gmac")) {
+		plat->pbl = 8;
+		plat->has_gmac = 1;
+		plat->pmt = 1;
+	}
+
+	return 0;
+}
+#else
+static int __devinit stmmac_probe_config_dt(struct platform_device *pdev,
+					    struct plat_stmmacenet_data *plat,
+					    const char **mac)
+{
+	return -ENOSYS;
+}
+#endif /* CONFIG_OF */
+
+/**
+ * stmmac_pltfr_probe
+ * @pdev: platform device pointer
+ * Description: platform_device probe function. It allocates
+ * the necessary resources and invokes the main to init
+ * the net device, register the mdio bus etc.
+ */
+static int stmmac_pltfr_probe(struct platform_device *pdev)
+{
+	int ret = 0;
+	struct resource *res;
+	void __iomem *addr = NULL;
+	struct stmmac_priv *priv = NULL;
+	struct plat_stmmacenet_data *plat_dat = NULL;
+	const char *mac = NULL;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+
+	if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
+		pr_err("%s: ERROR: memory allocation failed"
+		       "cannot get the I/O addr 0x%x\n",
+		       __func__, (unsigned int)res->start);
+		return -EBUSY;
+	}
+
+	addr = ioremap(res->start, resource_size(res));
+	if (!addr) {
+		pr_err("%s: ERROR: memory mapping failed", __func__);
+		ret = -ENOMEM;
+		goto out_release_region;
+	}
+
+	if (pdev->dev.of_node) {
+		plat_dat = devm_kzalloc(&pdev->dev,
+					sizeof(struct plat_stmmacenet_data),
+					GFP_KERNEL);
+		if (!plat_dat) {
+			pr_err("%s: ERROR: no memory", __func__);
+			ret = -ENOMEM;
+			goto out_unmap;
+		}
+
+		ret = stmmac_probe_config_dt(pdev, plat_dat, &mac);
+		if (ret) {
+			pr_err("%s: main dt probe failed", __func__);
+			goto out_unmap;
+		}
+	} else {
+		plat_dat = pdev->dev.platform_data;
+	}
+
+	/* Custom initialisation (if needed)*/
+	if (plat_dat->init) {
+		ret = plat_dat->init(pdev);
+		if (unlikely(ret))
+			goto out_unmap;
+	}
+
+	priv = stmmac_dvr_probe(&(pdev->dev), plat_dat, addr);
+	if (!priv) {
+		pr_err("%s: main driver probe failed", __func__);
+		goto out_unmap;
+	}
+
+	/* Get MAC address if available (DT) */
+	if (mac)
+		memcpy(priv->dev->dev_addr, mac, ETH_ALEN);
+
+	/* Get the MAC information */
+	priv->dev->irq = platform_get_irq_byname(pdev, "macirq");
+	if (priv->dev->irq == -ENXIO) {
+		pr_err("%s: ERROR: MAC IRQ configuration "
+		       "information not found\n", __func__);
+		ret = -ENXIO;
+		goto out_unmap;
+	}
+
+	/*
+	 * On some platforms e.g. SPEAr the wake up irq differs from the mac irq
+	 * The external wake up irq can be passed through the platform code
+	 * named as "eth_wake_irq"
+	 *
+	 * In case the wake up interrupt is not passed from the platform
+	 * so the driver will continue to use the mac irq (ndev->irq)
+	 */
+	priv->wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq");
+	if (priv->wol_irq == -ENXIO)
+		priv->wol_irq = priv->dev->irq;
+
+	platform_set_drvdata(pdev, priv->dev);
+
+	pr_debug("STMMAC platform driver registration completed");
+
+	return 0;
+
+out_unmap:
+	iounmap(addr);
+	platform_set_drvdata(pdev, NULL);
+
+out_release_region:
+	release_mem_region(res->start, resource_size(res));
+
+	return ret;
+}
+
+/**
+ * stmmac_pltfr_remove
+ * @pdev: platform device pointer
+ * Description: this function calls the main to free the net resources
+ * and calls the platforms hook and release the resources (e.g. mem).
+ */
+static int stmmac_pltfr_remove(struct platform_device *pdev)
+{
+	struct net_device *ndev = platform_get_drvdata(pdev);
+	struct stmmac_priv *priv = netdev_priv(ndev);
+	struct resource *res;
+	int ret = stmmac_dvr_remove(ndev);
+
+	if (priv->plat->exit)
+		priv->plat->exit(pdev);
+
+	if (priv->plat->exit)
+		priv->plat->exit(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+
+	iounmap((void *)priv->ioaddr);
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	release_mem_region(res->start, resource_size(res));
+
+	return ret;
+}
+
+#ifdef CONFIG_PM
+static int stmmac_pltfr_suspend(struct device *dev)
+{
+	struct net_device *ndev = dev_get_drvdata(dev);
+
+	return stmmac_suspend(ndev);
+}
+
+static int stmmac_pltfr_resume(struct device *dev)
+{
+	struct net_device *ndev = dev_get_drvdata(dev);
+
+	return stmmac_resume(ndev);
+}
+
+int stmmac_pltfr_freeze(struct device *dev)
+{
+	struct net_device *ndev = dev_get_drvdata(dev);
+
+	return stmmac_freeze(ndev);
+}
+
+int stmmac_pltfr_restore(struct device *dev)
+{
+	struct net_device *ndev = dev_get_drvdata(dev);
+
+	return stmmac_restore(ndev);
+}
+
+static const struct dev_pm_ops stmmac_pltfr_pm_ops = {
+	.suspend = stmmac_pltfr_suspend,
+	.resume = stmmac_pltfr_resume,
+	.freeze = stmmac_pltfr_freeze,
+	.thaw = stmmac_pltfr_restore,
+	.restore = stmmac_pltfr_restore,
+};
+#else
+static const struct dev_pm_ops stmmac_pltfr_pm_ops;
+#endif /* CONFIG_PM */
+
+static const struct of_device_id stmmac_dt_ids[] = {
+	{ .compatible = "st,spear600-gmac", },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, stmmac_dt_ids);
+
+static struct platform_driver stmmac_driver = {
+	.probe = stmmac_pltfr_probe,
+	.remove = stmmac_pltfr_remove,
+	.driver = {
+		   .name = STMMAC_RESOURCE_NAME,
+		   .owner = THIS_MODULE,
+		   .pm = &stmmac_pltfr_pm_ops,
+		   .of_match_table = of_match_ptr(stmmac_dt_ids),
+		   },
+};
+
+module_platform_driver(stmmac_driver);
+
+MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet PLATFORM driver");
+MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
+MODULE_LICENSE("GPL");