tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2009 Felix Fietkau <nbd@nbd.name>
4 * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
6 */
7
8#ifndef __QCA8K_H
9#define __QCA8K_H
10
11#include <linux/delay.h>
12#include <linux/regmap.h>
13#include <linux/gpio.h>
14
15#define QCA8K_NUM_PORTS 7
16
17#define PHY_ID_QCA8337 0x004dd036
18#define QCA8K_ID_QCA8337 0x13
19
20#define QCA8K_NUM_FDB_RECORDS 2048
21
22#define QCA8K_CPU_PORT 0
23
24/* Global control registers */
25#define QCA8K_REG_MASK_CTRL 0x000
26#define QCA8K_MASK_CTRL_ID_M 0xff
27#define QCA8K_MASK_CTRL_ID_S 8
28#define QCA8K_REG_PORT0_PAD_CTRL 0x004
29#define QCA8K_REG_PORT5_PAD_CTRL 0x008
30#define QCA8K_REG_PORT6_PAD_CTRL 0x00c
31#define QCA8K_PORT_PAD_RGMII_EN BIT(26)
32#define QCA8K_PORT_PAD_RGMII_TX_DELAY(x) \
33 ((0x8 + (x & 0x3)) << 22)
34#define QCA8K_PORT_PAD_RGMII_RX_DELAY(x) \
35 ((0x10 + (x & 0x3)) << 20)
36#define QCA8K_MAX_DELAY 3
37#define QCA8K_PORT_PAD_RGMII_RX_DELAY_EN BIT(24)
38#define QCA8K_PORT_PAD_SGMII_EN BIT(7)
39#define QCA8K_REG_MODULE_EN 0x030
40#define QCA8K_MODULE_EN_MIB BIT(0)
41#define QCA8K_REG_MIB 0x034
42#define QCA8K_MIB_FLUSH BIT(24)
43#define QCA8K_MIB_CPU_KEEP BIT(20)
44#define QCA8K_MIB_BUSY BIT(17)
45#define QCA8K_MDIO_MASTER_CTRL 0x3c
46#define QCA8K_MDIO_MASTER_BUSY BIT(31)
47#define QCA8K_MDIO_MASTER_EN BIT(30)
48#define QCA8K_MDIO_MASTER_READ BIT(27)
49#define QCA8K_MDIO_MASTER_WRITE 0
50#define QCA8K_MDIO_MASTER_SUP_PRE BIT(26)
51#define QCA8K_MDIO_MASTER_PHY_ADDR(x) ((x) << 21)
52#define QCA8K_MDIO_MASTER_REG_ADDR(x) ((x) << 16)
53#define QCA8K_MDIO_MASTER_DATA(x) (x)
54#define QCA8K_MDIO_MASTER_DATA_MASK GENMASK(15, 0)
55#define QCA8K_MDIO_MASTER_MAX_PORTS 5
56#define QCA8K_MDIO_MASTER_MAX_REG 32
57#define QCA8K_GOL_MAC_ADDR0 0x60
58#define QCA8K_GOL_MAC_ADDR1 0x64
59#define QCA8K_REG_PORT_STATUS(_i) (0x07c + (_i) * 4)
60#define QCA8K_PORT_STATUS_SPEED GENMASK(1, 0)
61#define QCA8K_PORT_STATUS_SPEED_10 0
62#define QCA8K_PORT_STATUS_SPEED_100 0x1
63#define QCA8K_PORT_STATUS_SPEED_1000 0x2
64#define QCA8K_PORT_STATUS_TXMAC BIT(2)
65#define QCA8K_PORT_STATUS_RXMAC BIT(3)
66#define QCA8K_PORT_STATUS_TXFLOW BIT(4)
67#define QCA8K_PORT_STATUS_RXFLOW BIT(5)
68#define QCA8K_PORT_STATUS_DUPLEX BIT(6)
69#define QCA8K_PORT_STATUS_LINK_UP BIT(8)
70#define QCA8K_PORT_STATUS_LINK_AUTO BIT(9)
71#define QCA8K_PORT_STATUS_LINK_PAUSE BIT(10)
72#define QCA8K_REG_PORT_HDR_CTRL(_i) (0x9c + (_i * 4))
73#define QCA8K_PORT_HDR_CTRL_RX_MASK GENMASK(3, 2)
74#define QCA8K_PORT_HDR_CTRL_RX_S 2
75#define QCA8K_PORT_HDR_CTRL_TX_MASK GENMASK(1, 0)
76#define QCA8K_PORT_HDR_CTRL_TX_S 0
77#define QCA8K_PORT_HDR_CTRL_ALL 2
78#define QCA8K_PORT_HDR_CTRL_MGMT 1
79#define QCA8K_PORT_HDR_CTRL_NONE 0
80
81/* EEE control registers */
82#define QCA8K_REG_EEE_CTRL 0x100
83#define QCA8K_REG_EEE_CTRL_LPI_EN(_i) ((_i + 1) * 2)
84
85/* ACL registers */
86#define QCA8K_REG_PORT_VLAN_CTRL0(_i) (0x420 + (_i * 8))
87#define QCA8K_PORT_VLAN_CVID(x) (x << 16)
88#define QCA8K_PORT_VLAN_SVID(x) x
89#define QCA8K_REG_PORT_VLAN_CTRL1(_i) (0x424 + (_i * 8))
90#define QCA8K_REG_IPV4_PRI_BASE_ADDR 0x470
91#define QCA8K_REG_IPV4_PRI_ADDR_MASK 0x474
92
93/* Lookup registers */
94#define QCA8K_REG_ATU_DATA0 0x600
95#define QCA8K_ATU_ADDR2_S 24
96#define QCA8K_ATU_ADDR3_S 16
97#define QCA8K_ATU_ADDR4_S 8
98#define QCA8K_REG_ATU_DATA1 0x604
99#define QCA8K_ATU_PORT_M 0x7f
100#define QCA8K_ATU_PORT_S 16
101#define QCA8K_ATU_ADDR0_S 8
102#define QCA8K_REG_ATU_DATA2 0x608
103#define QCA8K_ATU_VID_M 0xfff
104#define QCA8K_ATU_VID_S 8
105#define QCA8K_ATU_STATUS_M 0xf
106#define QCA8K_ATU_STATUS_STATIC 0xf
107#define QCA8K_REG_ATU_FUNC 0x60c
108#define QCA8K_ATU_FUNC_BUSY BIT(31)
109#define QCA8K_ATU_FUNC_PORT_EN BIT(14)
110#define QCA8K_ATU_FUNC_MULTI_EN BIT(13)
111#define QCA8K_ATU_FUNC_FULL BIT(12)
112#define QCA8K_ATU_FUNC_PORT_M 0xf
113#define QCA8K_ATU_FUNC_PORT_S 8
114#define QCA8K_REG_GLOBAL_FW_CTRL0 0x620
115#define QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN BIT(10)
116#define QCA8K_REG_GLOBAL_FW_CTRL1 0x624
117#define QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_S 24
118#define QCA8K_GLOBAL_FW_CTRL1_BC_DP_S 16
119#define QCA8K_GLOBAL_FW_CTRL1_MC_DP_S 8
120#define QCA8K_GLOBAL_FW_CTRL1_UC_DP_S 0
121#define QCA8K_PORT_LOOKUP_CTRL(_i) (0x660 + (_i) * 0xc)
122#define QCA8K_PORT_LOOKUP_MEMBER GENMASK(6, 0)
123#define QCA8K_PORT_LOOKUP_STATE_MASK GENMASK(18, 16)
124#define QCA8K_PORT_LOOKUP_STATE_DISABLED (0 << 16)
125#define QCA8K_PORT_LOOKUP_STATE_BLOCKING (1 << 16)
126#define QCA8K_PORT_LOOKUP_STATE_LISTENING (2 << 16)
127#define QCA8K_PORT_LOOKUP_STATE_LEARNING (3 << 16)
128#define QCA8K_PORT_LOOKUP_STATE_FORWARD (4 << 16)
129#define QCA8K_PORT_LOOKUP_STATE GENMASK(18, 16)
130#define QCA8K_PORT_LOOKUP_LEARN BIT(20)
131
132/* Pkt edit registers */
133#define QCA8K_EGRESS_VLAN(x) (0x0c70 + (4 * (x / 2)))
134
135/* L3 registers */
136#define QCA8K_HROUTER_CONTROL 0xe00
137#define QCA8K_HROUTER_CONTROL_GLB_LOCKTIME_M GENMASK(17, 16)
138#define QCA8K_HROUTER_CONTROL_GLB_LOCKTIME_S 16
139#define QCA8K_HROUTER_CONTROL_ARP_AGE_MODE 1
140#define QCA8K_HROUTER_PBASED_CONTROL1 0xe08
141#define QCA8K_HROUTER_PBASED_CONTROL2 0xe0c
142#define QCA8K_HNAT_CONTROL 0xe38
143
144/* MIB registers */
145#define QCA8K_PORT_MIB_COUNTER(_i) (0x1000 + (_i) * 0x100)
146
147/* QCA specific MII registers */
148#define MII_ATH_MMD_ADDR 0x0d
149#define MII_ATH_MMD_DATA 0x0e
150
151enum {
152 QCA8K_PORT_SPEED_10M = 0,
153 QCA8K_PORT_SPEED_100M = 1,
154 QCA8K_PORT_SPEED_1000M = 2,
155 QCA8K_PORT_SPEED_ERR = 3,
156};
157
158enum qca8k_fdb_cmd {
159 QCA8K_FDB_FLUSH = 1,
160 QCA8K_FDB_LOAD = 2,
161 QCA8K_FDB_PURGE = 3,
162 QCA8K_FDB_NEXT = 6,
163 QCA8K_FDB_SEARCH = 7,
164};
165
166struct ar8xxx_port_status {
167 int enabled;
168};
169
170struct qca8k_priv {
171 struct regmap *regmap;
172 struct mii_bus *bus;
173 struct ar8xxx_port_status port_sts[QCA8K_NUM_PORTS];
174 struct dsa_switch *ds;
175 struct mutex reg_mutex;
176 struct device *dev;
177 struct dsa_switch_ops ops;
178 struct gpio_desc *reset_gpio;
179};
180
181struct qca8k_mib_desc {
182 unsigned int size;
183 unsigned int offset;
184 const char *name;
185};
186
187struct qca8k_fdb {
188 u16 vid;
189 u8 port_mask;
190 u8 aging;
191 u8 mac[6];
192};
193
194#endif /* __QCA8K_H */