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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
*/
#include <linux/module.h>
#include <asm/mach-ralink/ralink_regs.h>
#include "ralink_soc_eth.h"
#include "mdio_rt2880.h"
#define RT3883_SYSC_REG_RSTCTRL 0x34
#define RT3883_RSTCTRL_FE BIT(21)
static void rt3883_fe_reset(void)
{
u32 t;
t = rt_sysc_r32(RT3883_SYSC_REG_RSTCTRL);
t |= RT3883_RSTCTRL_FE;
rt_sysc_w32(t , RT3883_SYSC_REG_RSTCTRL);
t &= ~RT3883_RSTCTRL_FE;
rt_sysc_w32(t, RT3883_SYSC_REG_RSTCTRL);
}
static int rt3883_fwd_config(struct fe_priv *priv)
{
int ret;
ret = fe_set_clock_cycle(priv);
if (ret)
return ret;
fe_fwd_config(priv);
fe_w32(FE_PSE_FQFC_CFG_256Q, FE_PSE_FQ_CFG);
fe_csum_config(priv);
return ret;
}
static void rt3883_init_data(struct fe_soc_data *data,
struct net_device *netdev)
{
struct fe_priv *priv = netdev_priv(netdev);
priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
FE_FLAG_JUMBO_FRAME;
netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
}
static struct fe_soc_data rt3883_data = {
.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
.init_data = rt3883_init_data,
.reset_fe = rt3883_fe_reset,
.fwd_config = rt3883_fwd_config,
.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
.rx_int = FE_RX_DONE_INT,
.tx_int = FE_TX_DONE_INT,
.checksum_bit = RX_DMA_L4VALID,
.tx_udf_bit = TX_DMA_UDF,
.mdio_read = rt2880_mdio_read,
.mdio_write = rt2880_mdio_write,
.mdio_adjust_link = rt2880_mdio_link_adjust,
.port_init = rt2880_port_init,
};
const struct of_device_id of_fe_match[] = {
{ .compatible = "ralink,rt3883-eth", .data = &rt3883_data },
{},
};
MODULE_DEVICE_TABLE(of, of_fe_match);
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