1 /* This program is free software; you can redistribute it and/or modify
2 * it under the terms of the GNU General Public License as published by
3 * the Free Software Foundation; version 2 of the License
5 * This program is distributed in the hope that it will be useful,
6 * but WITHOUT ANY WARRANTY; without even the implied warranty of
7 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8 * GNU General Public License for more details.
10 * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
11 * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
12 * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
15 #include <linux/module.h>
17 #include <asm/mach-ralink/ralink_regs.h>
19 #include "mtk_eth_soc.h"
20 #include "mdio_rt2880.h"
22 #define RT2880_RESET_FE BIT(18)
24 static void rt2880_init_data(struct fe_soc_data
*data
,
25 struct net_device
*netdev
)
27 struct fe_priv
*priv
= netdev_priv(netdev
);
29 priv
->flags
= FE_FLAG_PADDING_64B
| FE_FLAG_PADDING_BUG
|
30 FE_FLAG_JUMBO_FRAME
| FE_FLAG_CALIBRATE_CLK
;
31 netdev
->hw_features
= NETIF_F_SG
| NETIF_F_HW_VLAN_CTAG_TX
;
32 /* this should work according to the datasheet but actually does not*/
33 /* netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; */
36 void rt2880_fe_reset(void)
38 fe_reset(RT2880_RESET_FE
);
41 static int rt2880_fwd_config(struct fe_priv
*priv
)
45 ret
= fe_set_clock_cycle(priv
);
50 fe_w32(FE_PSE_FQFC_CFG_INIT
, FE_PSE_FQ_CFG
);
56 struct fe_soc_data rt2880_data
= {
57 .init_data
= rt2880_init_data
,
58 .reset_fe
= rt2880_fe_reset
,
59 .fwd_config
= rt2880_fwd_config
,
60 .pdma_glo_cfg
= FE_PDMA_SIZE_8DWORDS
,
61 .checksum_bit
= RX_DMA_L4VALID
,
62 .rx_int
= FE_RX_DONE_INT
,
63 .tx_int
= FE_TX_DONE_INT
,
64 .status_int
= FE_CNT_GDM_AF
,
65 .mdio_read
= rt2880_mdio_read
,
66 .mdio_write
= rt2880_mdio_write
,
67 .mdio_adjust_link
= rt2880_mdio_link_adjust
,
68 .port_init
= rt2880_port_init
,
71 const struct of_device_id of_fe_match
[] = {
72 { .compatible
= "ralink,rt2880-eth", .data
= &rt2880_data
},
76 MODULE_DEVICE_TABLE(of
, of_fe_match
);