diff options
Diffstat (limited to 'target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c')
-rw-r--r-- | target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c new file mode 100644 index 0000000000..d935b967cc --- /dev/null +++ b/target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c @@ -0,0 +1,88 @@ +/* + * 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_dly_int = FE_RX_DLY_INT, + .tx_dly_int = FE_TX_DLY_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); + |