tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2009 Felix Fietkau <nbd@nbd.name>
3 * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
4 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 and
8 * only version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#ifndef __QCA8K_H
17#define __QCA8K_H
18
19#include <linux/delay.h>
20#include <linux/regmap.h>
21
22#define QCA8K_NUM_PORTS 7
23
24#define PHY_ID_QCA8337 0x004dd036
25#define QCA8K_ID_QCA8337 0x13
26
27#define QCA8K_NUM_FDB_RECORDS 2048
28
29#define QCA8K_CPU_PORT 0
30
31/* Global control registers */
32#define QCA8K_REG_MASK_CTRL 0x000
33#define QCA8K_MASK_CTRL_ID_M 0xff
34#define QCA8K_MASK_CTRL_ID_S 8
35#define QCA8K_REG_PORT0_PAD_CTRL 0x004
36#define QCA8K_REG_PORT5_PAD_CTRL 0x008
37#define QCA8K_REG_PORT6_PAD_CTRL 0x00c
38#define QCA8K_PORT_PAD_RGMII_EN BIT(26)
39#define QCA8K_PORT_PAD_RGMII_TX_DELAY(x) \
40 ((0x8 + (x & 0x3)) << 22)
41#define QCA8K_PORT_PAD_RGMII_RX_DELAY(x) \
42 ((0x10 + (x & 0x3)) << 20)
43#define QCA8K_PORT_PAD_RGMII_RX_DELAY_EN BIT(24)
44#define QCA8K_PORT_PAD_SGMII_EN BIT(7)
45#define QCA8K_REG_MODULE_EN 0x030
46#define QCA8K_MODULE_EN_MIB BIT(0)
47#define QCA8K_REG_MIB 0x034
48#define QCA8K_MIB_FLUSH BIT(24)
49#define QCA8K_MIB_CPU_KEEP BIT(20)
50#define QCA8K_MIB_BUSY BIT(17)
51#define QCA8K_GOL_MAC_ADDR0 0x60
52#define QCA8K_GOL_MAC_ADDR1 0x64
53#define QCA8K_REG_PORT_STATUS(_i) (0x07c + (_i) * 4)
54#define QCA8K_PORT_STATUS_SPEED GENMASK(2, 0)
55#define QCA8K_PORT_STATUS_SPEED_S 0
56#define QCA8K_PORT_STATUS_TXMAC BIT(2)
57#define QCA8K_PORT_STATUS_RXMAC BIT(3)
58#define QCA8K_PORT_STATUS_TXFLOW BIT(4)
59#define QCA8K_PORT_STATUS_RXFLOW BIT(5)
60#define QCA8K_PORT_STATUS_DUPLEX BIT(6)
61#define QCA8K_PORT_STATUS_LINK_UP BIT(8)
62#define QCA8K_PORT_STATUS_LINK_AUTO BIT(9)
63#define QCA8K_PORT_STATUS_LINK_PAUSE BIT(10)
64#define QCA8K_REG_PORT_HDR_CTRL(_i) (0x9c + (_i * 4))
65#define QCA8K_PORT_HDR_CTRL_RX_MASK GENMASK(3, 2)
66#define QCA8K_PORT_HDR_CTRL_RX_S 2
67#define QCA8K_PORT_HDR_CTRL_TX_MASK GENMASK(1, 0)
68#define QCA8K_PORT_HDR_CTRL_TX_S 0
69#define QCA8K_PORT_HDR_CTRL_ALL 2
70#define QCA8K_PORT_HDR_CTRL_MGMT 1
71#define QCA8K_PORT_HDR_CTRL_NONE 0
72
73/* EEE control registers */
74#define QCA8K_REG_EEE_CTRL 0x100
75#define QCA8K_REG_EEE_CTRL_LPI_EN(_i) ((_i + 1) * 2)
76
77/* ACL registers */
78#define QCA8K_REG_PORT_VLAN_CTRL0(_i) (0x420 + (_i * 8))
79#define QCA8K_PORT_VLAN_CVID(x) (x << 16)
80#define QCA8K_PORT_VLAN_SVID(x) x
81#define QCA8K_REG_PORT_VLAN_CTRL1(_i) (0x424 + (_i * 8))
82#define QCA8K_REG_IPV4_PRI_BASE_ADDR 0x470
83#define QCA8K_REG_IPV4_PRI_ADDR_MASK 0x474
84
85/* Lookup registers */
86#define QCA8K_REG_ATU_DATA0 0x600
87#define QCA8K_ATU_ADDR2_S 24
88#define QCA8K_ATU_ADDR3_S 16
89#define QCA8K_ATU_ADDR4_S 8
90#define QCA8K_REG_ATU_DATA1 0x604
91#define QCA8K_ATU_PORT_M 0x7f
92#define QCA8K_ATU_PORT_S 16
93#define QCA8K_ATU_ADDR0_S 8
94#define QCA8K_REG_ATU_DATA2 0x608
95#define QCA8K_ATU_VID_M 0xfff
96#define QCA8K_ATU_VID_S 8
97#define QCA8K_ATU_STATUS_M 0xf
98#define QCA8K_ATU_STATUS_STATIC 0xf
99#define QCA8K_REG_ATU_FUNC 0x60c
100#define QCA8K_ATU_FUNC_BUSY BIT(31)
101#define QCA8K_ATU_FUNC_PORT_EN BIT(14)
102#define QCA8K_ATU_FUNC_MULTI_EN BIT(13)
103#define QCA8K_ATU_FUNC_FULL BIT(12)
104#define QCA8K_ATU_FUNC_PORT_M 0xf
105#define QCA8K_ATU_FUNC_PORT_S 8
106#define QCA8K_REG_GLOBAL_FW_CTRL0 0x620
107#define QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN BIT(10)
108#define QCA8K_REG_GLOBAL_FW_CTRL1 0x624
109#define QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_S 24
110#define QCA8K_GLOBAL_FW_CTRL1_BC_DP_S 16
111#define QCA8K_GLOBAL_FW_CTRL1_MC_DP_S 8
112#define QCA8K_GLOBAL_FW_CTRL1_UC_DP_S 0
113#define QCA8K_PORT_LOOKUP_CTRL(_i) (0x660 + (_i) * 0xc)
114#define QCA8K_PORT_LOOKUP_MEMBER GENMASK(6, 0)
115#define QCA8K_PORT_LOOKUP_STATE_MASK GENMASK(18, 16)
116#define QCA8K_PORT_LOOKUP_STATE_DISABLED (0 << 16)
117#define QCA8K_PORT_LOOKUP_STATE_BLOCKING (1 << 16)
118#define QCA8K_PORT_LOOKUP_STATE_LISTENING (2 << 16)
119#define QCA8K_PORT_LOOKUP_STATE_LEARNING (3 << 16)
120#define QCA8K_PORT_LOOKUP_STATE_FORWARD (4 << 16)
121#define QCA8K_PORT_LOOKUP_STATE GENMASK(18, 16)
122#define QCA8K_PORT_LOOKUP_LEARN BIT(20)
123
124/* Pkt edit registers */
125#define QCA8K_EGRESS_VLAN(x) (0x0c70 + (4 * (x / 2)))
126
127/* L3 registers */
128#define QCA8K_HROUTER_CONTROL 0xe00
129#define QCA8K_HROUTER_CONTROL_GLB_LOCKTIME_M GENMASK(17, 16)
130#define QCA8K_HROUTER_CONTROL_GLB_LOCKTIME_S 16
131#define QCA8K_HROUTER_CONTROL_ARP_AGE_MODE 1
132#define QCA8K_HROUTER_PBASED_CONTROL1 0xe08
133#define QCA8K_HROUTER_PBASED_CONTROL2 0xe0c
134#define QCA8K_HNAT_CONTROL 0xe38
135
136/* MIB registers */
137#define QCA8K_PORT_MIB_COUNTER(_i) (0x1000 + (_i) * 0x100)
138
139/* QCA specific MII registers */
140#define MII_ATH_MMD_ADDR 0x0d
141#define MII_ATH_MMD_DATA 0x0e
142
143enum {
144 QCA8K_PORT_SPEED_10M = 0,
145 QCA8K_PORT_SPEED_100M = 1,
146 QCA8K_PORT_SPEED_1000M = 2,
147 QCA8K_PORT_SPEED_ERR = 3,
148};
149
150enum qca8k_fdb_cmd {
151 QCA8K_FDB_FLUSH = 1,
152 QCA8K_FDB_LOAD = 2,
153 QCA8K_FDB_PURGE = 3,
154 QCA8K_FDB_NEXT = 6,
155 QCA8K_FDB_SEARCH = 7,
156};
157
158struct ar8xxx_port_status {
159 int enabled;
160};
161
162struct qca8k_priv {
163 struct regmap *regmap;
164 struct mii_bus *bus;
165 struct ar8xxx_port_status port_sts[QCA8K_NUM_PORTS];
166 struct dsa_switch *ds;
167 struct mutex reg_mutex;
168};
169
170struct qca8k_mib_desc {
171 unsigned int size;
172 unsigned int offset;
173 const char *name;
174};
175
176struct qca8k_fdb {
177 u16 vid;
178 u8 port_mask;
179 u8 aging;
180 u8 mac[6];
181};
182
183#endif /* __QCA8K_H */