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 #define QCA8K_MAX_MTU					9000
17 
18 #define PHY_ID_QCA8337					0x004dd036
19 #define QCA8K_ID_QCA8337				0x13
20 
21 #define QCA8K_NUM_FDB_RECORDS				2048
22 
23 #define QCA8K_CPU_PORT					0
24 
25 #define QCA8K_PORT_VID_DEF				1
26 
27 /* Global control registers */
28 #define QCA8K_REG_MASK_CTRL				0x000
29 #define   QCA8K_MASK_CTRL_ID_M				0xff
30 #define   QCA8K_MASK_CTRL_ID_S				8
31 #define QCA8K_REG_PORT0_PAD_CTRL			0x004
32 #define QCA8K_REG_PORT5_PAD_CTRL			0x008
33 #define QCA8K_REG_PORT6_PAD_CTRL			0x00c
34 #define   QCA8K_PORT_PAD_RGMII_EN			BIT(26)
35 #define   QCA8K_PORT_PAD_RGMII_TX_DELAY(x)		\
36 						((0x8 + (x & 0x3)) << 22)
37 #define   QCA8K_PORT_PAD_RGMII_RX_DELAY(x)		\
38 						((0x10 + (x & 0x3)) << 20)
39 #define   QCA8K_MAX_DELAY				3
40 #define   QCA8K_PORT_PAD_RGMII_RX_DELAY_EN		BIT(24)
41 #define   QCA8K_PORT_PAD_SGMII_EN			BIT(7)
42 #define QCA8K_REG_PWS					0x010
43 #define   QCA8K_PWS_SERDES_AEN_DIS			BIT(7)
44 #define QCA8K_REG_MODULE_EN				0x030
45 #define   QCA8K_MODULE_EN_MIB				BIT(0)
46 #define QCA8K_REG_MIB					0x034
47 #define   QCA8K_MIB_FLUSH				BIT(24)
48 #define   QCA8K_MIB_CPU_KEEP				BIT(20)
49 #define   QCA8K_MIB_BUSY				BIT(17)
50 #define QCA8K_MDIO_MASTER_CTRL				0x3c
51 #define   QCA8K_MDIO_MASTER_BUSY			BIT(31)
52 #define   QCA8K_MDIO_MASTER_EN				BIT(30)
53 #define   QCA8K_MDIO_MASTER_READ			BIT(27)
54 #define   QCA8K_MDIO_MASTER_WRITE			0
55 #define   QCA8K_MDIO_MASTER_SUP_PRE			BIT(26)
56 #define   QCA8K_MDIO_MASTER_PHY_ADDR(x)			((x) << 21)
57 #define   QCA8K_MDIO_MASTER_REG_ADDR(x)			((x) << 16)
58 #define   QCA8K_MDIO_MASTER_DATA(x)			(x)
59 #define   QCA8K_MDIO_MASTER_DATA_MASK			GENMASK(15, 0)
60 #define   QCA8K_MDIO_MASTER_MAX_PORTS			5
61 #define   QCA8K_MDIO_MASTER_MAX_REG			32
62 #define QCA8K_GOL_MAC_ADDR0				0x60
63 #define QCA8K_GOL_MAC_ADDR1				0x64
64 #define QCA8K_MAX_FRAME_SIZE				0x78
65 #define QCA8K_REG_PORT_STATUS(_i)			(0x07c + (_i) * 4)
66 #define   QCA8K_PORT_STATUS_SPEED			GENMASK(1, 0)
67 #define   QCA8K_PORT_STATUS_SPEED_10			0
68 #define   QCA8K_PORT_STATUS_SPEED_100			0x1
69 #define   QCA8K_PORT_STATUS_SPEED_1000			0x2
70 #define   QCA8K_PORT_STATUS_TXMAC			BIT(2)
71 #define   QCA8K_PORT_STATUS_RXMAC			BIT(3)
72 #define   QCA8K_PORT_STATUS_TXFLOW			BIT(4)
73 #define   QCA8K_PORT_STATUS_RXFLOW			BIT(5)
74 #define   QCA8K_PORT_STATUS_DUPLEX			BIT(6)
75 #define   QCA8K_PORT_STATUS_LINK_UP			BIT(8)
76 #define   QCA8K_PORT_STATUS_LINK_AUTO			BIT(9)
77 #define   QCA8K_PORT_STATUS_LINK_PAUSE			BIT(10)
78 #define   QCA8K_PORT_STATUS_FLOW_AUTO			BIT(12)
79 #define QCA8K_REG_PORT_HDR_CTRL(_i)			(0x9c + (_i * 4))
80 #define   QCA8K_PORT_HDR_CTRL_RX_MASK			GENMASK(3, 2)
81 #define   QCA8K_PORT_HDR_CTRL_RX_S			2
82 #define   QCA8K_PORT_HDR_CTRL_TX_MASK			GENMASK(1, 0)
83 #define   QCA8K_PORT_HDR_CTRL_TX_S			0
84 #define   QCA8K_PORT_HDR_CTRL_ALL			2
85 #define   QCA8K_PORT_HDR_CTRL_MGMT			1
86 #define   QCA8K_PORT_HDR_CTRL_NONE			0
87 #define QCA8K_REG_SGMII_CTRL				0x0e0
88 #define   QCA8K_SGMII_EN_PLL				BIT(1)
89 #define   QCA8K_SGMII_EN_RX				BIT(2)
90 #define   QCA8K_SGMII_EN_TX				BIT(3)
91 #define   QCA8K_SGMII_EN_SD				BIT(4)
92 #define   QCA8K_SGMII_CLK125M_DELAY			BIT(7)
93 #define   QCA8K_SGMII_MODE_CTRL_MASK			(BIT(22) | BIT(23))
94 #define   QCA8K_SGMII_MODE_CTRL_BASEX			(0 << 22)
95 #define   QCA8K_SGMII_MODE_CTRL_PHY			(1 << 22)
96 #define   QCA8K_SGMII_MODE_CTRL_MAC			(2 << 22)
97 
98 /* EEE control registers */
99 #define QCA8K_REG_EEE_CTRL				0x100
100 #define  QCA8K_REG_EEE_CTRL_LPI_EN(_i)			((_i + 1) * 2)
101 
102 /* ACL registers */
103 #define QCA8K_REG_PORT_VLAN_CTRL0(_i)			(0x420 + (_i * 8))
104 #define   QCA8K_PORT_VLAN_CVID(x)			(x << 16)
105 #define   QCA8K_PORT_VLAN_SVID(x)			x
106 #define QCA8K_REG_PORT_VLAN_CTRL1(_i)			(0x424 + (_i * 8))
107 #define QCA8K_REG_IPV4_PRI_BASE_ADDR			0x470
108 #define QCA8K_REG_IPV4_PRI_ADDR_MASK			0x474
109 
110 /* Lookup registers */
111 #define QCA8K_REG_ATU_DATA0				0x600
112 #define   QCA8K_ATU_ADDR2_S				24
113 #define   QCA8K_ATU_ADDR3_S				16
114 #define   QCA8K_ATU_ADDR4_S				8
115 #define QCA8K_REG_ATU_DATA1				0x604
116 #define   QCA8K_ATU_PORT_M				0x7f
117 #define   QCA8K_ATU_PORT_S				16
118 #define   QCA8K_ATU_ADDR0_S				8
119 #define QCA8K_REG_ATU_DATA2				0x608
120 #define   QCA8K_ATU_VID_M				0xfff
121 #define   QCA8K_ATU_VID_S				8
122 #define   QCA8K_ATU_STATUS_M				0xf
123 #define   QCA8K_ATU_STATUS_STATIC			0xf
124 #define QCA8K_REG_ATU_FUNC				0x60c
125 #define   QCA8K_ATU_FUNC_BUSY				BIT(31)
126 #define   QCA8K_ATU_FUNC_PORT_EN			BIT(14)
127 #define   QCA8K_ATU_FUNC_MULTI_EN			BIT(13)
128 #define   QCA8K_ATU_FUNC_FULL				BIT(12)
129 #define   QCA8K_ATU_FUNC_PORT_M				0xf
130 #define   QCA8K_ATU_FUNC_PORT_S				8
131 #define QCA8K_REG_VTU_FUNC0				0x610
132 #define   QCA8K_VTU_FUNC0_VALID				BIT(20)
133 #define   QCA8K_VTU_FUNC0_IVL_EN			BIT(19)
134 #define   QCA8K_VTU_FUNC0_EG_MODE_S(_i)			(4 + (_i) * 2)
135 #define   QCA8K_VTU_FUNC0_EG_MODE_MASK			3
136 #define   QCA8K_VTU_FUNC0_EG_MODE_UNMOD			0
137 #define   QCA8K_VTU_FUNC0_EG_MODE_UNTAG			1
138 #define   QCA8K_VTU_FUNC0_EG_MODE_TAG			2
139 #define   QCA8K_VTU_FUNC0_EG_MODE_NOT			3
140 #define QCA8K_REG_VTU_FUNC1				0x614
141 #define   QCA8K_VTU_FUNC1_BUSY				BIT(31)
142 #define   QCA8K_VTU_FUNC1_VID_S				16
143 #define   QCA8K_VTU_FUNC1_FULL				BIT(4)
144 #define QCA8K_REG_GLOBAL_FW_CTRL0			0x620
145 #define   QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN		BIT(10)
146 #define QCA8K_REG_GLOBAL_FW_CTRL1			0x624
147 #define   QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_S		24
148 #define   QCA8K_GLOBAL_FW_CTRL1_BC_DP_S			16
149 #define   QCA8K_GLOBAL_FW_CTRL1_MC_DP_S			8
150 #define   QCA8K_GLOBAL_FW_CTRL1_UC_DP_S			0
151 #define QCA8K_PORT_LOOKUP_CTRL(_i)			(0x660 + (_i) * 0xc)
152 #define   QCA8K_PORT_LOOKUP_MEMBER			GENMASK(6, 0)
153 #define   QCA8K_PORT_LOOKUP_VLAN_MODE			GENMASK(9, 8)
154 #define   QCA8K_PORT_LOOKUP_VLAN_MODE_NONE		(0 << 8)
155 #define   QCA8K_PORT_LOOKUP_VLAN_MODE_FALLBACK		(1 << 8)
156 #define   QCA8K_PORT_LOOKUP_VLAN_MODE_CHECK		(2 << 8)
157 #define   QCA8K_PORT_LOOKUP_VLAN_MODE_SECURE		(3 << 8)
158 #define   QCA8K_PORT_LOOKUP_STATE_MASK			GENMASK(18, 16)
159 #define   QCA8K_PORT_LOOKUP_STATE_DISABLED		(0 << 16)
160 #define   QCA8K_PORT_LOOKUP_STATE_BLOCKING		(1 << 16)
161 #define   QCA8K_PORT_LOOKUP_STATE_LISTENING		(2 << 16)
162 #define   QCA8K_PORT_LOOKUP_STATE_LEARNING		(3 << 16)
163 #define   QCA8K_PORT_LOOKUP_STATE_FORWARD		(4 << 16)
164 #define   QCA8K_PORT_LOOKUP_STATE			GENMASK(18, 16)
165 #define   QCA8K_PORT_LOOKUP_LEARN			BIT(20)
166 
167 /* Pkt edit registers */
168 #define QCA8K_EGRESS_VLAN(x)				(0x0c70 + (4 * (x / 2)))
169 
170 /* L3 registers */
171 #define QCA8K_HROUTER_CONTROL				0xe00
172 #define   QCA8K_HROUTER_CONTROL_GLB_LOCKTIME_M		GENMASK(17, 16)
173 #define   QCA8K_HROUTER_CONTROL_GLB_LOCKTIME_S		16
174 #define   QCA8K_HROUTER_CONTROL_ARP_AGE_MODE		1
175 #define QCA8K_HROUTER_PBASED_CONTROL1			0xe08
176 #define QCA8K_HROUTER_PBASED_CONTROL2			0xe0c
177 #define QCA8K_HNAT_CONTROL				0xe38
178 
179 /* MIB registers */
180 #define QCA8K_PORT_MIB_COUNTER(_i)			(0x1000 + (_i) * 0x100)
181 
182 /* QCA specific MII registers */
183 #define MII_ATH_MMD_ADDR				0x0d
184 #define MII_ATH_MMD_DATA				0x0e
185 
186 enum {
187 	QCA8K_PORT_SPEED_10M = 0,
188 	QCA8K_PORT_SPEED_100M = 1,
189 	QCA8K_PORT_SPEED_1000M = 2,
190 	QCA8K_PORT_SPEED_ERR = 3,
191 };
192 
193 enum qca8k_fdb_cmd {
194 	QCA8K_FDB_FLUSH	= 1,
195 	QCA8K_FDB_LOAD = 2,
196 	QCA8K_FDB_PURGE = 3,
197 	QCA8K_FDB_NEXT = 6,
198 	QCA8K_FDB_SEARCH = 7,
199 };
200 
201 enum qca8k_vlan_cmd {
202 	QCA8K_VLAN_FLUSH = 1,
203 	QCA8K_VLAN_LOAD = 2,
204 	QCA8K_VLAN_PURGE = 3,
205 	QCA8K_VLAN_REMOVE_PORT = 4,
206 	QCA8K_VLAN_NEXT = 5,
207 	QCA8K_VLAN_READ = 6,
208 };
209 
210 struct ar8xxx_port_status {
211 	int enabled;
212 };
213 
214 struct qca8k_priv {
215 	struct regmap *regmap;
216 	struct mii_bus *bus;
217 	struct ar8xxx_port_status port_sts[QCA8K_NUM_PORTS];
218 	struct dsa_switch *ds;
219 	struct mutex reg_mutex;
220 	struct device *dev;
221 	struct dsa_switch_ops ops;
222 	struct gpio_desc *reset_gpio;
223 	unsigned int port_mtu[QCA8K_NUM_PORTS];
224 };
225 
226 struct qca8k_mib_desc {
227 	unsigned int size;
228 	unsigned int offset;
229 	const char *name;
230 };
231 
232 struct qca8k_fdb {
233 	u16 vid;
234 	u8 port_mask;
235 	u8 aging;
236 	u8 mac[6];
237 };
238 
239 #endif /* __QCA8K_H */
240