diff options
Diffstat (limited to 'target/linux/oxnas/files/drivers/net/ethernet/stmicro')
-rw-r--r-- | target/linux/oxnas/files/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/target/linux/oxnas/files/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c b/target/linux/oxnas/files/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c deleted file mode 100644 index aafb118144..0000000000 --- a/target/linux/oxnas/files/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c +++ /dev/null @@ -1,145 +0,0 @@ -/* 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 <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); - } -} - -static int oxnas_gmac_probe(struct platform_device *pdev) -{ - struct plat_stmmacenet_data *plat_dat; - struct stmmac_resources stmmac_res; - int ret; - struct device *dev = &pdev->dev; - struct oxnas_gmac *bsp_priv; - - bsp_priv = devm_kzalloc(dev, sizeof(*bsp_priv), GFP_KERNEL); - if (!bsp_priv) - return -ENOMEM; - bsp_priv->clk = devm_clk_get(dev, "gmac"); - if (IS_ERR(bsp_priv->clk)) - return PTR_ERR(bsp_priv->clk); - - 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); -} - -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); - -MODULE_LICENSE("GPL v2"); |