Linux 4.16.11
[linux/fpc-iii.git] / drivers / net / ethernet / apm / xgene-v2 / mac.h
blob3c83fa6173567e614a4a1a01254625f9ba1b187f
1 /*
2 * Applied Micro X-Gene SoC Ethernet v2 Driver
4 * Copyright (c) 2017, Applied Micro Circuits Corporation
5 * Author(s): Iyappan Subramanian <isubramanian@apm.com>
6 * Keyur Chudgar <kchudgar@apm.com>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #ifndef __XGENE_ENET_V2_MAC_H__
23 #define __XGENE_ENET_V2_MAC_H__
25 /* Register offsets */
26 #define MAC_CONFIG_1 0xa000
27 #define MAC_CONFIG_2 0xa004
28 #define MII_MGMT_CONFIG 0xa020
29 #define MII_MGMT_COMMAND 0xa024
30 #define MII_MGMT_ADDRESS 0xa028
31 #define MII_MGMT_CONTROL 0xa02c
32 #define MII_MGMT_STATUS 0xa030
33 #define MII_MGMT_INDICATORS 0xa034
34 #define INTERFACE_CONTROL 0xa038
35 #define STATION_ADDR0 0xa040
36 #define STATION_ADDR1 0xa044
38 #define RGMII_REG_0 0x27e0
39 #define ICM_CONFIG0_REG_0 0x2c00
40 #define ICM_CONFIG2_REG_0 0x2c08
41 #define ECM_CONFIG0_REG_0 0x2d00
43 /* Register fields */
44 #define SOFT_RESET BIT(31)
45 #define TX_EN BIT(0)
46 #define RX_EN BIT(2)
47 #define PAD_CRC BIT(2)
48 #define CRC_EN BIT(1)
49 #define FULL_DUPLEX BIT(0)
51 #define INTF_MODE_POS 8
52 #define INTF_MODE_LEN 2
53 #define HD_MODE_POS 25
54 #define HD_MODE_LEN 2
55 #define CFG_MACMODE_POS 18
56 #define CFG_MACMODE_LEN 2
57 #define CFG_WAITASYNCRD_POS 0
58 #define CFG_WAITASYNCRD_LEN 16
59 #define CFG_SPEED_125_POS 24
60 #define CFG_WFIFOFULLTHR_POS 0
61 #define CFG_WFIFOFULLTHR_LEN 7
62 #define MGMT_CLOCK_SEL_POS 0
63 #define MGMT_CLOCK_SEL_LEN 3
64 #define PHY_ADDR_POS 8
65 #define PHY_ADDR_LEN 5
66 #define REG_ADDR_POS 0
67 #define REG_ADDR_LEN 5
68 #define MII_MGMT_BUSY BIT(0)
69 #define MII_READ_CYCLE BIT(0)
70 #define CFG_WAITASYNCRD_EN BIT(16)
72 static inline void xgene_set_reg_bits(u32 *var, int pos, int len, u32 val)
74 u32 mask = GENMASK(pos + len, pos);
76 *var &= ~mask;
77 *var |= ((val << pos) & mask);
80 static inline u32 xgene_get_reg_bits(u32 var, int pos, int len)
82 u32 mask = GENMASK(pos + len, pos);
84 return (var & mask) >> pos;
87 #define SET_REG_BITS(var, field, val) \
88 xgene_set_reg_bits(var, field ## _POS, field ## _LEN, val)
90 #define SET_REG_BIT(var, field, val) \
91 xgene_set_reg_bits(var, field ## _POS, 1, val)
93 #define GET_REG_BITS(var, field) \
94 xgene_get_reg_bits(var, field ## _POS, field ## _LEN)
96 #define GET_REG_BIT(var, field) ((var) & (field))
98 struct xge_pdata;
100 void xge_mac_reset(struct xge_pdata *pdata);
101 void xge_mac_set_speed(struct xge_pdata *pdata);
102 void xge_mac_enable(struct xge_pdata *pdata);
103 void xge_mac_disable(struct xge_pdata *pdata);
104 void xge_mac_init(struct xge_pdata *pdata);
105 void xge_mac_set_station_addr(struct xge_pdata *pdata);
107 #endif /* __XGENE_ENET_V2_MAC_H__ */