#include <linux/clocksource.h>
#include <linux/clk-provider.h>
#include <linux/clk.h>
-#include <linux/stmmac.h>
#include <linux/slab.h>
#include <linux/gfp.h>
#include <linux/reset.h>
iotable_init(ox820_io_desc, ARRAY_SIZE(ox820_io_desc));
}
-struct plat_gmac_data {
- struct plat_stmmacenet_data stmmac;
- struct clk *clk;
-};
-
-void *ox820_gmac_setup(struct platform_device *pdev)
-{
- struct plat_gmac_data *pdata = pdev->dev.platform_data;
-
- pdata->clk = clk_get(&pdev->dev, "gmac");
- return (void *) pdata->clk;
-};
-
-int ox820_gmac_init(struct platform_device *pdev, void *priv)
-{
- int ret;
- unsigned value;
-
- ret = device_reset(&pdev->dev);
- if (ret)
- return ret;
-
- if (IS_ERR(priv))
- return PTR_ERR(priv);
- clk_prepare_enable(priv);
-
- value = readl(SYS_CTRL_GMAC_CTRL);
-
- /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */
- value |= BIT(SYS_CTRL_GMAC_CKEN_GTX);
- /* Use simple mux for 25/125 Mhz clock switching */
- value |= BIT(SYS_CTRL_GMAC_SIMPLE_MUX);
- /* set auto switch tx clock source */
- value |= BIT(SYS_CTRL_GMAC_AUTO_TX_SOURCE);
- /* enable tx & rx vardelay */
- value |= BIT(SYS_CTRL_GMAC_CKEN_TX_OUT);
- value |= BIT(SYS_CTRL_GMAC_CKEN_TXN_OUT);
- value |= BIT(SYS_CTRL_GMAC_CKEN_TX_IN);
- value |= BIT(SYS_CTRL_GMAC_CKEN_RX_OUT);
- value |= BIT(SYS_CTRL_GMAC_CKEN_RXN_OUT);
- value |= BIT(SYS_CTRL_GMAC_CKEN_RX_IN);
- writel(value, SYS_CTRL_GMAC_CTRL);
-
- /* set tx & rx vardelay */
- value = 0;
- value |= SYS_CTRL_GMAC_TX_VARDELAY(4);
- value |= SYS_CTRL_GMAC_TXN_VARDELAY(2);
- value |= SYS_CTRL_GMAC_RX_VARDELAY(10);
- value |= SYS_CTRL_GMAC_RXN_VARDELAY(8);
- writel(value, SYS_CTRL_GMAC_DELAY_CTRL);
-
- return 0;
-}
-
-void ox820_gmac_exit(struct platform_device *pdev, void *priv)
-{
- struct reset_control *rstc;
-
- clk_disable_unprepare(priv);
- clk_put(priv);
-
- rstc = reset_control_get(&pdev->dev, NULL);
- if (!IS_ERR(rstc)) {
- reset_control_assert(rstc);
- reset_control_put(rstc);
- }
-}
-
-static int __init ox820_ether_init(void)
-{
- struct device_node *node;
- struct platform_device *pdev;
- struct plat_gmac_data *pdata;
-
- node = of_find_compatible_node(NULL, NULL, "plxtech,nas782x-gmac");
- if (!node)
- return -ENOENT;
-
- pdev = of_find_device_by_node(node);
- of_node_put(node);
-
- if (!pdev)
- return -EINVAL;
-
- pdata = kzalloc(sizeof(struct plat_gmac_data), GFP_KERNEL);
- if (!pdata)
- return -ENOMEM;
-
- pdata->stmmac.setup = ox820_gmac_setup;
- pdata->stmmac.init = ox820_gmac_init;
- pdata->stmmac.exit = ox820_gmac_exit;
- pdev->dev.platform_data = pdata;
-
- return 0;
-}
-
static void __init ox820_dt_init(void)
{
int ret;
BUG();
}
- ret = ox820_ether_init();
-
- if (ret)
- pr_info("ox820_ether_init failed: %d\n", ret);
}
static void __init ox820_timer_init(void)
--- /dev/null
+/* Copyright OpenWrt.org (C) 2015.
+ * Copyright Altera Corporation (C) 2014. All rights reserved.
+ *
+ * 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/>.
+ *
+ * Adopted from dwmac-socfpga.c
+ * Based on code found in mach-oxnas.c
+ */
+
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_net.h>
+#include <linux/phy.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <linux/stmmac.h>
+#include <linux/version.h>
+
+#include <mach/hardware.h>
+
+#include "stmmac.h"
+#include "stmmac_platform.h"
+
+struct oxnas_gmac {
+ struct clk *clk;
+};
+
+static int oxnas_gmac_init(struct platform_device *pdev, void *priv)
+{
+ struct oxnas_gmac *bsp_priv = priv;
+ int ret = 0;
+ unsigned value;
+
+ ret = device_reset(&pdev->dev);
+ if (ret)
+ return ret;
+
+ if (IS_ERR(bsp_priv->clk))
+ return PTR_ERR(bsp_priv->clk);
+ clk_prepare_enable(bsp_priv->clk);
+
+ value = readl(SYS_CTRL_GMAC_CTRL);
+
+ /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */
+ value |= BIT(SYS_CTRL_GMAC_CKEN_GTX);
+ /* Use simple mux for 25/125 Mhz clock switching */
+ value |= BIT(SYS_CTRL_GMAC_SIMPLE_MUX);
+ /* set auto switch tx clock source */
+ value |= BIT(SYS_CTRL_GMAC_AUTO_TX_SOURCE);
+ /* enable tx & rx vardelay */
+ value |= BIT(SYS_CTRL_GMAC_CKEN_TX_OUT);
+ value |= BIT(SYS_CTRL_GMAC_CKEN_TXN_OUT);
+ value |= BIT(SYS_CTRL_GMAC_CKEN_TX_IN);
+ value |= BIT(SYS_CTRL_GMAC_CKEN_RX_OUT);
+ value |= BIT(SYS_CTRL_GMAC_CKEN_RXN_OUT);
+ value |= BIT(SYS_CTRL_GMAC_CKEN_RX_IN);
+ writel(value, SYS_CTRL_GMAC_CTRL);
+
+ /* set tx & rx vardelay */
+ value = 0;
+ value |= SYS_CTRL_GMAC_TX_VARDELAY(4);
+ value |= SYS_CTRL_GMAC_TXN_VARDELAY(2);
+ value |= SYS_CTRL_GMAC_RX_VARDELAY(10);
+ value |= SYS_CTRL_GMAC_RXN_VARDELAY(8);
+ writel(value, SYS_CTRL_GMAC_DELAY_CTRL);
+
+ return 0;
+}
+
+static void oxnas_gmac_exit(struct platform_device *pdev, void *priv)
+{
+ struct reset_control *rstc;
+
+ clk_disable_unprepare(priv);
+ devm_clk_put(&pdev->dev, priv);
+
+ rstc = reset_control_get(&pdev->dev, NULL);
+ if (!IS_ERR(rstc)) {
+ reset_control_assert(rstc);
+ reset_control_put(rstc);
+ }
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+static void *oxnas_gmac_probe(struct platform_device *pdev)
+{
+#else
+static int oxnas_gmac_probe(struct platform_device *pdev)
+{
+ struct plat_stmmacenet_data *plat_dat;
+ struct stmmac_resources stmmac_res;
+ int ret;
+#endif
+ struct device *dev = &pdev->dev;
+ struct oxnas_gmac *bsp_priv;
+
+ bsp_priv = devm_kzalloc(dev, sizeof(*bsp_priv), GFP_KERNEL);
+ if (!bsp_priv)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ return ERR_PTR(-ENOMEM);
+#else
+ return -ENOMEM;
+#endif
+ bsp_priv->clk = devm_clk_get(dev, "gmac");
+ if (IS_ERR(bsp_priv->clk))
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ return bsp_priv->clk;
+#else
+ return PTR_ERR(bsp_priv->clk);
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+ return bsp_priv;
+#else
+ ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+ if (ret)
+ return ret;
+
+ plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+ if (IS_ERR(plat_dat))
+ return PTR_ERR(plat_dat);
+
+ plat_dat->bsp_priv = bsp_priv;
+ plat_dat->init = oxnas_gmac_init;
+ plat_dat->exit = oxnas_gmac_exit;
+
+ ret = oxnas_gmac_init(pdev, bsp_priv);
+ if (ret)
+ return ret;
+
+ return stmmac_dvr_probe(dev, plat_dat, &stmmac_res);
+#endif
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
+const struct stmmac_of_data oxnas_gmac_data = {
+ .has_gmac = 1,
+ .setup = oxnas_gmac_probe,
+ .init = oxnas_gmac_init,
+ .exit = oxnas_gmac_exit,
+};
+#else
+static const struct of_device_id oxnas_gmac_match[] = {
+ { .compatible = "plxtech,nas782x-gmac" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, oxnas_gmac_match);
+
+static struct platform_driver oxnas_gmac_driver = {
+ .probe = oxnas_gmac_probe,
+ .remove = stmmac_pltfr_remove,
+ .driver = {
+ .name = "oxnas-gmac",
+ .pm = &stmmac_pltfr_pm_ops,
+ .of_match_table = oxnas_gmac_match,
+ },
+};
+module_platform_driver(oxnas_gmac_driver);
+#endif
+
+MODULE_LICENSE("GPL v2");
--- /dev/null
+--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
++++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
+@@ -20,7 +20,7 @@ config STMMAC_PLATFORM
+ ---help---
+ This selects the platform specific bus support for the stmmac driver.
+ This is the driver used on several SoCs:
+- STi, Allwinner, Amlogic Meson, Altera SOCFPGA.
++ STi, Allwinner, Amlogic Meson, Altera SOCFPGA and Oxnas.
+
+ If you have a controller with this interface, say Y or M here.
+
+--- a/drivers/net/ethernet/stmicro/stmmac/Makefile
++++ b/drivers/net/ethernet/stmicro/stmmac/Makefile
+@@ -5,8 +5,9 @@ stmmac-objs:= stmmac_main.o stmmac_ethto
+ mmc_core.o stmmac_hwtstamp.o stmmac_ptp.o $(stmmac-y)
+
+ obj-$(CONFIG_STMMAC_PLATFORM) += stmmac-platform.o
+-stmmac-platform-objs:= stmmac_platform.o dwmac-meson.o dwmac-sunxi.o \
+- dwmac-sti.o dwmac-socfpga.o dwmac-rk.o
++stmmac-platform-objs:= stmmac_platform.o dwmac-meson.o dwmac-oxnas.o \
++ dwmac-sunxi.o dwmac-sti.o dwmac-socfpga.o \
++ dwmac-rk.o
+
+ obj-$(CONFIG_STMMAC_PCI) += stmmac-pci.o
+ stmmac-pci-objs:= stmmac_pci.o
projects / openwrt / openwrt.git / commitdiff