89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
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*/
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#include <linux/module.h>
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#include <asm/mach-ralink/ralink_regs.h>
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#include "ralink_soc_eth.h"
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#include "mdio_rt2880.h"
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#define RT3883_SYSC_REG_RSTCTRL 0x34
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#define RT3883_RSTCTRL_FE BIT(21)
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static void rt3883_fe_reset(void)
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{
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u32 t;
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t = rt_sysc_r32(RT3883_SYSC_REG_RSTCTRL);
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t |= RT3883_RSTCTRL_FE;
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rt_sysc_w32(t , RT3883_SYSC_REG_RSTCTRL);
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t &= ~RT3883_RSTCTRL_FE;
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rt_sysc_w32(t, RT3883_SYSC_REG_RSTCTRL);
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}
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static int rt3883_fwd_config(struct fe_priv *priv)
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{
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int ret;
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ret = fe_set_clock_cycle(priv);
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if (ret)
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return ret;
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fe_fwd_config(priv);
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fe_w32(FE_PSE_FQFC_CFG_256Q, FE_PSE_FQ_CFG);
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fe_csum_config(priv);
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return ret;
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}
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static void rt3883_init_data(struct fe_soc_data *data,
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struct net_device *netdev)
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{
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struct fe_priv *priv = netdev_priv(netdev);
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priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
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FE_FLAG_JUMBO_FRAME;
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netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
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NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
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}
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static struct fe_soc_data rt3883_data = {
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.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
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.init_data = rt3883_init_data,
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.reset_fe = rt3883_fe_reset,
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.fwd_config = rt3883_fwd_config,
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.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
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.rx_dly_int = FE_RX_DLY_INT,
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.tx_dly_int = FE_TX_DLY_INT,
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.checksum_bit = RX_DMA_L4VALID,
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.tx_udf_bit = TX_DMA_UDF,
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.mdio_read = rt2880_mdio_read,
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.mdio_write = rt2880_mdio_write,
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.mdio_adjust_link = rt2880_mdio_link_adjust,
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.port_init = rt2880_port_init,
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};
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const struct of_device_id of_fe_match[] = {
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{ .compatible = "ralink,rt3883-eth", .data = &rt3883_data },
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{},
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};
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MODULE_DEVICE_TABLE(of, of_fe_match);
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