2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; version 2 of the License
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
15 * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
18 #include <linux/module.h>
20 #include <asm/mach-ralink/ralink_regs.h>
22 #include "ralink_soc_eth.h"
23 #include "mdio_rt2880.h"
25 #define RT3883_SYSC_REG_RSTCTRL 0x34
26 #define RT3883_RSTCTRL_FE BIT(21)
28 static void rt3883_fe_reset(void)
32 t
= rt_sysc_r32(RT3883_SYSC_REG_RSTCTRL
);
33 t
|= RT3883_RSTCTRL_FE
;
34 rt_sysc_w32(t
, RT3883_SYSC_REG_RSTCTRL
);
36 t
&= ~RT3883_RSTCTRL_FE
;
37 rt_sysc_w32(t
, RT3883_SYSC_REG_RSTCTRL
);
40 static int rt3883_fwd_config(struct fe_priv
*priv
)
44 ret
= fe_set_clock_cycle(priv
);
49 fe_w32(FE_PSE_FQFC_CFG_256Q
, FE_PSE_FQ_CFG
);
55 static void rt3883_init_data(struct fe_soc_data
*data
,
56 struct net_device
*netdev
)
58 struct fe_priv
*priv
= netdev_priv(netdev
);
60 priv
->flags
= FE_FLAG_PADDING_64B
| FE_FLAG_PADDING_BUG
|
62 netdev
->hw_features
= NETIF_F_SG
| NETIF_F_IP_CSUM
|
63 NETIF_F_RXCSUM
| NETIF_F_HW_VLAN_CTAG_TX
;
66 static struct fe_soc_data rt3883_data
= {
67 .mac
= { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
68 .init_data
= rt3883_init_data
,
69 .reset_fe
= rt3883_fe_reset
,
70 .fwd_config
= rt3883_fwd_config
,
71 .pdma_glo_cfg
= FE_PDMA_SIZE_8DWORDS
,
72 .rx_int
= FE_RX_DONE_INT
,
73 .tx_int
= FE_TX_DONE_INT
,
74 .checksum_bit
= RX_DMA_L4VALID
,
75 .tx_udf_bit
= TX_DMA_UDF
,
76 .mdio_read
= rt2880_mdio_read
,
77 .mdio_write
= rt2880_mdio_write
,
78 .mdio_adjust_link
= rt2880_mdio_link_adjust
,
79 .port_init
= rt2880_port_init
,
82 const struct of_device_id of_fe_match
[] = {
83 { .compatible
= "ralink,rt3883-eth", .data
= &rt3883_data
},
87 MODULE_DEVICE_TABLE(of
, of_fe_match
);