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#include <linux/leds.h>
15#include <linux/dsa/tag_qca.h>
16
17#define QCA8K_ETHERNET_MDIO_PRIORITY			7
18#define QCA8K_ETHERNET_PHY_PRIORITY			6
19#define QCA8K_ETHERNET_TIMEOUT				5
20
21#define QCA8K_NUM_PORTS					7
22#define QCA8K_NUM_CPU_PORTS				2
23#define QCA8K_MAX_MTU					9000
24#define QCA8K_NUM_LAGS					4
25#define QCA8K_NUM_PORTS_FOR_LAG				4
26
27#define PHY_ID_QCA8327					0x004dd034
28#define QCA8K_ID_QCA8327				0x12
29#define PHY_ID_QCA8337					0x004dd036
30#define QCA8K_ID_QCA8337				0x13
31
32#define QCA8K_QCA832X_MIB_COUNT				39
33#define QCA8K_QCA833X_MIB_COUNT				41
34
35#define QCA8K_BUSY_WAIT_TIMEOUT				2000
36
37#define QCA8K_NUM_FDB_RECORDS				2048
38
39#define QCA8K_PORT_VID_DEF				1
40
41/* Global control registers */
42#define QCA8K_REG_MASK_CTRL				0x000
43#define   QCA8K_MASK_CTRL_REV_ID_MASK			GENMASK(7, 0)
44#define   QCA8K_MASK_CTRL_REV_ID(x)			FIELD_GET(QCA8K_MASK_CTRL_REV_ID_MASK, x)
45#define   QCA8K_MASK_CTRL_DEVICE_ID_MASK		GENMASK(15, 8)
46#define   QCA8K_MASK_CTRL_DEVICE_ID(x)			FIELD_GET(QCA8K_MASK_CTRL_DEVICE_ID_MASK, x)
47#define QCA8K_REG_PORT0_PAD_CTRL			0x004
48#define   QCA8K_PORT0_PAD_MAC06_EXCHANGE_EN		BIT(31)
49#define   QCA8K_PORT0_PAD_SGMII_RXCLK_FALLING_EDGE	BIT(19)
50#define   QCA8K_PORT0_PAD_SGMII_TXCLK_FALLING_EDGE	BIT(18)
51#define QCA8K_REG_PORT5_PAD_CTRL			0x008
52#define QCA8K_REG_PORT6_PAD_CTRL			0x00c
53#define   QCA8K_PORT_PAD_RGMII_EN			BIT(26)
54#define   QCA8K_PORT_PAD_RGMII_TX_DELAY_MASK		GENMASK(23, 22)
55#define   QCA8K_PORT_PAD_RGMII_TX_DELAY(x)		FIELD_PREP(QCA8K_PORT_PAD_RGMII_TX_DELAY_MASK, x)
56#define   QCA8K_PORT_PAD_RGMII_RX_DELAY_MASK		GENMASK(21, 20)
57#define   QCA8K_PORT_PAD_RGMII_RX_DELAY(x)		FIELD_PREP(QCA8K_PORT_PAD_RGMII_RX_DELAY_MASK, x)
58#define	  QCA8K_PORT_PAD_RGMII_TX_DELAY_EN		BIT(25)
59#define   QCA8K_PORT_PAD_RGMII_RX_DELAY_EN		BIT(24)
60#define   QCA8K_PORT_PAD_SGMII_EN			BIT(7)
61#define QCA8K_REG_PWS					0x010
62#define   QCA8K_PWS_POWER_ON_SEL			BIT(31)
63/* This reg is only valid for QCA832x and toggle the package
64 * type from 176 pin (by default) to 148 pin used on QCA8327
65 */
66#define   QCA8327_PWS_PACKAGE148_EN			BIT(30)
67#define   QCA8K_PWS_LED_OPEN_EN_CSR			BIT(24)
68#define   QCA8K_PWS_SERDES_AEN_DIS			BIT(7)
69#define QCA8K_REG_MODULE_EN				0x030
70#define   QCA8K_MODULE_EN_MIB				BIT(0)
71#define QCA8K_REG_MIB					0x034
72#define   QCA8K_MIB_FUNC				GENMASK(26, 24)
73#define   QCA8K_MIB_CPU_KEEP				BIT(20)
74#define   QCA8K_MIB_BUSY				BIT(17)
75#define QCA8K_MDIO_MASTER_CTRL				0x3c
76#define   QCA8K_MDIO_MASTER_BUSY			BIT(31)
77#define   QCA8K_MDIO_MASTER_EN				BIT(30)
78#define   QCA8K_MDIO_MASTER_READ			BIT(27)
79#define   QCA8K_MDIO_MASTER_WRITE			0
80#define   QCA8K_MDIO_MASTER_SUP_PRE			BIT(26)
81#define   QCA8K_MDIO_MASTER_PHY_ADDR_MASK		GENMASK(25, 21)
82#define   QCA8K_MDIO_MASTER_PHY_ADDR(x)			FIELD_PREP(QCA8K_MDIO_MASTER_PHY_ADDR_MASK, x)
83#define   QCA8K_MDIO_MASTER_REG_ADDR_MASK		GENMASK(20, 16)
84#define   QCA8K_MDIO_MASTER_REG_ADDR(x)			FIELD_PREP(QCA8K_MDIO_MASTER_REG_ADDR_MASK, x)
85#define   QCA8K_MDIO_MASTER_DATA_MASK			GENMASK(15, 0)
86#define   QCA8K_MDIO_MASTER_DATA(x)			FIELD_PREP(QCA8K_MDIO_MASTER_DATA_MASK, x)
87#define   QCA8K_MDIO_MASTER_MAX_PORTS			5
88#define   QCA8K_MDIO_MASTER_MAX_REG			32
89
90/* LED control register */
91#define QCA8K_LED_PORT_COUNT				3
92#define QCA8K_LED_COUNT					((QCA8K_NUM_PORTS - QCA8K_NUM_CPU_PORTS) * QCA8K_LED_PORT_COUNT)
93#define QCA8K_LED_RULE_COUNT				6
94#define QCA8K_LED_RULE_MAX				11
95#define QCA8K_LED_PORT_INDEX(_phy, _led)		(((_phy) * QCA8K_LED_PORT_COUNT) + (_led))
96
97#define QCA8K_LED_PHY123_PATTERN_EN_SHIFT(_phy, _led)	((((_phy) - 1) * 6) + 8 + (2 * (_led)))
98#define QCA8K_LED_PHY123_PATTERN_EN_MASK		GENMASK(1, 0)
99
100#define QCA8K_LED_PHY0123_CONTROL_RULE_SHIFT		0
101#define QCA8K_LED_PHY4_CONTROL_RULE_SHIFT		16
102
103#define QCA8K_LED_CTRL_REG(_i)				(0x050 + (_i) * 4)
104#define QCA8K_LED_CTRL0_REG				0x50
105#define QCA8K_LED_CTRL1_REG				0x54
106#define QCA8K_LED_CTRL2_REG				0x58
107#define QCA8K_LED_CTRL3_REG				0x5C
108#define   QCA8K_LED_CTRL_SHIFT(_i)			(((_i) % 2) * 16)
109#define   QCA8K_LED_CTRL_MASK				GENMASK(15, 0)
110#define QCA8K_LED_RULE_MASK				GENMASK(13, 0)
111#define QCA8K_LED_BLINK_FREQ_MASK			GENMASK(1, 0)
112#define QCA8K_LED_BLINK_FREQ_SHITF			0
113#define   QCA8K_LED_BLINK_2HZ				0
114#define   QCA8K_LED_BLINK_4HZ				1
115#define   QCA8K_LED_BLINK_8HZ				2
116#define   QCA8K_LED_BLINK_AUTO				3
117#define QCA8K_LED_LINKUP_OVER_MASK			BIT(2)
118#define QCA8K_LED_TX_BLINK_MASK				BIT(4)
119#define QCA8K_LED_RX_BLINK_MASK				BIT(5)
120#define QCA8K_LED_COL_BLINK_MASK			BIT(7)
121#define QCA8K_LED_LINK_10M_EN_MASK			BIT(8)
122#define QCA8K_LED_LINK_100M_EN_MASK			BIT(9)
123#define QCA8K_LED_LINK_1000M_EN_MASK			BIT(10)
124#define QCA8K_LED_POWER_ON_LIGHT_MASK			BIT(11)
125#define QCA8K_LED_HALF_DUPLEX_MASK			BIT(12)
126#define QCA8K_LED_FULL_DUPLEX_MASK			BIT(13)
127#define QCA8K_LED_PATTERN_EN_MASK			GENMASK(15, 14)
128#define QCA8K_LED_PATTERN_EN_SHIFT			14
129#define   QCA8K_LED_ALWAYS_OFF				0
130#define   QCA8K_LED_ALWAYS_BLINK_4HZ			1
131#define   QCA8K_LED_ALWAYS_ON				2
132#define   QCA8K_LED_RULE_CONTROLLED			3
133
134#define QCA8K_GOL_MAC_ADDR0				0x60
135#define QCA8K_GOL_MAC_ADDR1				0x64
136#define QCA8K_MAX_FRAME_SIZE				0x78
137#define QCA8K_REG_PORT_STATUS(_i)			(0x07c + (_i) * 4)
138#define   QCA8K_PORT_STATUS_SPEED			GENMASK(1, 0)
139#define   QCA8K_PORT_STATUS_SPEED_10			0
140#define   QCA8K_PORT_STATUS_SPEED_100			0x1
141#define   QCA8K_PORT_STATUS_SPEED_1000			0x2
142#define   QCA8K_PORT_STATUS_TXMAC			BIT(2)
143#define   QCA8K_PORT_STATUS_RXMAC			BIT(3)
144#define   QCA8K_PORT_STATUS_TXFLOW			BIT(4)
145#define   QCA8K_PORT_STATUS_RXFLOW			BIT(5)
146#define   QCA8K_PORT_STATUS_DUPLEX			BIT(6)
147#define   QCA8K_PORT_STATUS_LINK_UP			BIT(8)
148#define   QCA8K_PORT_STATUS_LINK_AUTO			BIT(9)
149#define   QCA8K_PORT_STATUS_LINK_PAUSE			BIT(10)
150#define   QCA8K_PORT_STATUS_FLOW_AUTO			BIT(12)
151#define QCA8K_REG_PORT_HDR_CTRL(_i)			(0x9c + (_i * 4))
152#define   QCA8K_PORT_HDR_CTRL_RX_MASK			GENMASK(3, 2)
153#define   QCA8K_PORT_HDR_CTRL_TX_MASK			GENMASK(1, 0)
154#define   QCA8K_PORT_HDR_CTRL_ALL			2
155#define   QCA8K_PORT_HDR_CTRL_MGMT			1
156#define   QCA8K_PORT_HDR_CTRL_NONE			0
157#define QCA8K_REG_SGMII_CTRL				0x0e0
158#define   QCA8K_SGMII_EN_PLL				BIT(1)
159#define   QCA8K_SGMII_EN_RX				BIT(2)
160#define   QCA8K_SGMII_EN_TX				BIT(3)
161#define   QCA8K_SGMII_EN_SD				BIT(4)
162#define   QCA8K_SGMII_CLK125M_DELAY			BIT(7)
163#define   QCA8K_SGMII_MODE_CTRL_MASK			GENMASK(23, 22)
164#define   QCA8K_SGMII_MODE_CTRL(x)			FIELD_PREP(QCA8K_SGMII_MODE_CTRL_MASK, x)
165#define   QCA8K_SGMII_MODE_CTRL_BASEX			QCA8K_SGMII_MODE_CTRL(0x0)
166#define   QCA8K_SGMII_MODE_CTRL_PHY			QCA8K_SGMII_MODE_CTRL(0x1)
167#define   QCA8K_SGMII_MODE_CTRL_MAC			QCA8K_SGMII_MODE_CTRL(0x2)
168
169/* MAC_PWR_SEL registers */
170#define QCA8K_REG_MAC_PWR_SEL				0x0e4
171#define   QCA8K_MAC_PWR_RGMII1_1_8V			BIT(18)
172#define   QCA8K_MAC_PWR_RGMII0_1_8V			BIT(19)
173
174/* EEE control registers */
175#define QCA8K_REG_EEE_CTRL				0x100
176#define  QCA8K_REG_EEE_CTRL_LPI_EN(_i)			((_i + 1) * 2)
177
178/* TRUNK_HASH_EN registers */
179#define QCA8K_TRUNK_HASH_EN_CTRL			0x270
180#define   QCA8K_TRUNK_HASH_SIP_EN			BIT(3)
181#define   QCA8K_TRUNK_HASH_DIP_EN			BIT(2)
182#define   QCA8K_TRUNK_HASH_SA_EN			BIT(1)
183#define   QCA8K_TRUNK_HASH_DA_EN			BIT(0)
184#define   QCA8K_TRUNK_HASH_MASK				GENMASK(3, 0)
185
186/* ACL registers */
187#define QCA8K_REG_PORT_VLAN_CTRL0(_i)			(0x420 + (_i * 8))
188#define   QCA8K_PORT_VLAN_CVID_MASK			GENMASK(27, 16)
189#define   QCA8K_PORT_VLAN_CVID(x)			FIELD_PREP(QCA8K_PORT_VLAN_CVID_MASK, x)
190#define   QCA8K_PORT_VLAN_SVID_MASK			GENMASK(11, 0)
191#define   QCA8K_PORT_VLAN_SVID(x)			FIELD_PREP(QCA8K_PORT_VLAN_SVID_MASK, x)
192#define QCA8K_REG_PORT_VLAN_CTRL1(_i)			(0x424 + (_i * 8))
193#define QCA8K_REG_IPV4_PRI_BASE_ADDR			0x470
194#define QCA8K_REG_IPV4_PRI_ADDR_MASK			0x474
195
196/* Lookup registers */
197#define QCA8K_ATU_TABLE_SIZE				3 /* 12 bytes wide table / sizeof(u32) */
198
199#define QCA8K_REG_ATU_DATA0				0x600
200#define   QCA8K_ATU_ADDR2_MASK				GENMASK(31, 24)
201#define   QCA8K_ATU_ADDR3_MASK				GENMASK(23, 16)
202#define   QCA8K_ATU_ADDR4_MASK				GENMASK(15, 8)
203#define   QCA8K_ATU_ADDR5_MASK				GENMASK(7, 0)
204#define QCA8K_REG_ATU_DATA1				0x604
205#define   QCA8K_ATU_PORT_MASK				GENMASK(22, 16)
206#define   QCA8K_ATU_ADDR0_MASK				GENMASK(15, 8)
207#define   QCA8K_ATU_ADDR1_MASK				GENMASK(7, 0)
208#define QCA8K_REG_ATU_DATA2				0x608
209#define   QCA8K_ATU_VID_MASK				GENMASK(19, 8)
210#define   QCA8K_ATU_STATUS_MASK				GENMASK(3, 0)
211#define   QCA8K_ATU_STATUS_STATIC			0xf
212#define QCA8K_REG_ATU_FUNC				0x60c
213#define   QCA8K_ATU_FUNC_BUSY				BIT(31)
214#define   QCA8K_ATU_FUNC_PORT_EN			BIT(14)
215#define   QCA8K_ATU_FUNC_MULTI_EN			BIT(13)
216#define   QCA8K_ATU_FUNC_FULL				BIT(12)
217#define   QCA8K_ATU_FUNC_PORT_MASK			GENMASK(11, 8)
218#define QCA8K_REG_VTU_FUNC0				0x610
219#define   QCA8K_VTU_FUNC0_VALID				BIT(20)
220#define   QCA8K_VTU_FUNC0_IVL_EN			BIT(19)
221/*        QCA8K_VTU_FUNC0_EG_MODE_MASK			GENMASK(17, 4)
222 *          It does contain VLAN_MODE for each port [5:4] for port0,
223 *          [7:6] for port1 ... [17:16] for port6. Use virtual port
224 *          define to handle this.
225 */
226#define   QCA8K_VTU_FUNC0_EG_MODE_PORT_SHIFT(_i)	(4 + (_i) * 2)
227#define   QCA8K_VTU_FUNC0_EG_MODE_MASK			GENMASK(1, 0)
228#define   QCA8K_VTU_FUNC0_EG_MODE_PORT_MASK(_i)		(GENMASK(1, 0) << QCA8K_VTU_FUNC0_EG_MODE_PORT_SHIFT(_i))
229#define   QCA8K_VTU_FUNC0_EG_MODE_UNMOD			FIELD_PREP(QCA8K_VTU_FUNC0_EG_MODE_MASK, 0x0)
230#define   QCA8K_VTU_FUNC0_EG_MODE_PORT_UNMOD(_i)	(QCA8K_VTU_FUNC0_EG_MODE_UNMOD << QCA8K_VTU_FUNC0_EG_MODE_PORT_SHIFT(_i))
231#define   QCA8K_VTU_FUNC0_EG_MODE_UNTAG			FIELD_PREP(QCA8K_VTU_FUNC0_EG_MODE_MASK, 0x1)
232#define   QCA8K_VTU_FUNC0_EG_MODE_PORT_UNTAG(_i)	(QCA8K_VTU_FUNC0_EG_MODE_UNTAG << QCA8K_VTU_FUNC0_EG_MODE_PORT_SHIFT(_i))
233#define   QCA8K_VTU_FUNC0_EG_MODE_TAG			FIELD_PREP(QCA8K_VTU_FUNC0_EG_MODE_MASK, 0x2)
234#define   QCA8K_VTU_FUNC0_EG_MODE_PORT_TAG(_i)		(QCA8K_VTU_FUNC0_EG_MODE_TAG << QCA8K_VTU_FUNC0_EG_MODE_PORT_SHIFT(_i))
235#define   QCA8K_VTU_FUNC0_EG_MODE_NOT			FIELD_PREP(QCA8K_VTU_FUNC0_EG_MODE_MASK, 0x3)
236#define   QCA8K_VTU_FUNC0_EG_MODE_PORT_NOT(_i)		(QCA8K_VTU_FUNC0_EG_MODE_NOT << QCA8K_VTU_FUNC0_EG_MODE_PORT_SHIFT(_i))
237#define QCA8K_REG_VTU_FUNC1				0x614
238#define   QCA8K_VTU_FUNC1_BUSY				BIT(31)
239#define   QCA8K_VTU_FUNC1_VID_MASK			GENMASK(27, 16)
240#define   QCA8K_VTU_FUNC1_FULL				BIT(4)
241#define QCA8K_REG_ATU_CTRL				0x618
242#define   QCA8K_ATU_AGE_TIME_MASK			GENMASK(15, 0)
243#define   QCA8K_ATU_AGE_TIME(x)				FIELD_PREP(QCA8K_ATU_AGE_TIME_MASK, (x))
244#define QCA8K_REG_GLOBAL_FW_CTRL0			0x620
245#define   QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN		BIT(10)
246#define   QCA8K_GLOBAL_FW_CTRL0_MIRROR_PORT_NUM		GENMASK(7, 4)
247#define QCA8K_REG_GLOBAL_FW_CTRL1			0x624
248#define   QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_MASK		GENMASK(30, 24)
249#define   QCA8K_GLOBAL_FW_CTRL1_BC_DP_MASK		GENMASK(22, 16)
250#define   QCA8K_GLOBAL_FW_CTRL1_MC_DP_MASK		GENMASK(14, 8)
251#define   QCA8K_GLOBAL_FW_CTRL1_UC_DP_MASK		GENMASK(6, 0)
252#define QCA8K_PORT_LOOKUP_CTRL(_i)			(0x660 + (_i) * 0xc)
253#define   QCA8K_PORT_LOOKUP_MEMBER			GENMASK(6, 0)
254#define   QCA8K_PORT_LOOKUP_VLAN_MODE_MASK		GENMASK(9, 8)
255#define   QCA8K_PORT_LOOKUP_VLAN_MODE(x)		FIELD_PREP(QCA8K_PORT_LOOKUP_VLAN_MODE_MASK, x)
256#define   QCA8K_PORT_LOOKUP_VLAN_MODE_NONE		QCA8K_PORT_LOOKUP_VLAN_MODE(0x0)
257#define   QCA8K_PORT_LOOKUP_VLAN_MODE_FALLBACK		QCA8K_PORT_LOOKUP_VLAN_MODE(0x1)
258#define   QCA8K_PORT_LOOKUP_VLAN_MODE_CHECK		QCA8K_PORT_LOOKUP_VLAN_MODE(0x2)
259#define   QCA8K_PORT_LOOKUP_VLAN_MODE_SECURE		QCA8K_PORT_LOOKUP_VLAN_MODE(0x3)
260#define   QCA8K_PORT_LOOKUP_STATE_MASK			GENMASK(18, 16)
261#define   QCA8K_PORT_LOOKUP_STATE(x)			FIELD_PREP(QCA8K_PORT_LOOKUP_STATE_MASK, x)
262#define   QCA8K_PORT_LOOKUP_STATE_DISABLED		QCA8K_PORT_LOOKUP_STATE(0x0)
263#define   QCA8K_PORT_LOOKUP_STATE_BLOCKING		QCA8K_PORT_LOOKUP_STATE(0x1)
264#define   QCA8K_PORT_LOOKUP_STATE_LISTENING		QCA8K_PORT_LOOKUP_STATE(0x2)
265#define   QCA8K_PORT_LOOKUP_STATE_LEARNING		QCA8K_PORT_LOOKUP_STATE(0x3)
266#define   QCA8K_PORT_LOOKUP_STATE_FORWARD		QCA8K_PORT_LOOKUP_STATE(0x4)
267#define   QCA8K_PORT_LOOKUP_LEARN			BIT(20)
268#define   QCA8K_PORT_LOOKUP_ING_MIRROR_EN		BIT(25)
269
270#define QCA8K_REG_GOL_TRUNK_CTRL0			0x700
271/* 4 max trunk first
272 * first 6 bit for member bitmap
273 * 7th bit is to enable trunk port
274 */
275#define QCA8K_REG_GOL_TRUNK_SHIFT(_i)			((_i) * 8)
276#define QCA8K_REG_GOL_TRUNK_EN_MASK			BIT(7)
277#define QCA8K_REG_GOL_TRUNK_EN(_i)			(QCA8K_REG_GOL_TRUNK_EN_MASK << QCA8K_REG_GOL_TRUNK_SHIFT(_i))
278#define QCA8K_REG_GOL_TRUNK_MEMBER_MASK			GENMASK(6, 0)
279#define QCA8K_REG_GOL_TRUNK_MEMBER(_i)			(QCA8K_REG_GOL_TRUNK_MEMBER_MASK << QCA8K_REG_GOL_TRUNK_SHIFT(_i))
280/* 0x704 for TRUNK 0-1 --- 0x708 for TRUNK 2-3 */
281#define QCA8K_REG_GOL_TRUNK_CTRL(_i)			(0x704 + (((_i) / 2) * 4))
282#define QCA8K_REG_GOL_TRUNK_ID_MEM_ID_MASK		GENMASK(3, 0)
283#define QCA8K_REG_GOL_TRUNK_ID_MEM_ID_EN_MASK		BIT(3)
284#define QCA8K_REG_GOL_TRUNK_ID_MEM_ID_PORT_MASK		GENMASK(2, 0)
285#define QCA8K_REG_GOL_TRUNK_ID_SHIFT(_i)		(((_i) / 2) * 16)
286#define QCA8K_REG_GOL_MEM_ID_SHIFT(_i)			((_i) * 4)
287/* Complex shift: FIRST shift for port THEN shift for trunk */
288#define QCA8K_REG_GOL_TRUNK_ID_MEM_ID_SHIFT(_i, _j)	(QCA8K_REG_GOL_MEM_ID_SHIFT(_j) + QCA8K_REG_GOL_TRUNK_ID_SHIFT(_i))
289#define QCA8K_REG_GOL_TRUNK_ID_MEM_ID_EN(_i, _j)	(QCA8K_REG_GOL_TRUNK_ID_MEM_ID_EN_MASK << QCA8K_REG_GOL_TRUNK_ID_MEM_ID_SHIFT(_i, _j))
290#define QCA8K_REG_GOL_TRUNK_ID_MEM_ID_PORT(_i, _j)	(QCA8K_REG_GOL_TRUNK_ID_MEM_ID_PORT_MASK << QCA8K_REG_GOL_TRUNK_ID_MEM_ID_SHIFT(_i, _j))
291
292#define QCA8K_REG_GLOBAL_FC_THRESH			0x800
293#define   QCA8K_GLOBAL_FC_GOL_XON_THRES_MASK		GENMASK(24, 16)
294#define   QCA8K_GLOBAL_FC_GOL_XON_THRES(x)		FIELD_PREP(QCA8K_GLOBAL_FC_GOL_XON_THRES_MASK, x)
295#define   QCA8K_GLOBAL_FC_GOL_XOFF_THRES_MASK		GENMASK(8, 0)
296#define   QCA8K_GLOBAL_FC_GOL_XOFF_THRES(x)		FIELD_PREP(QCA8K_GLOBAL_FC_GOL_XOFF_THRES_MASK, x)
297
298#define QCA8K_REG_PORT_HOL_CTRL0(_i)			(0x970 + (_i) * 0x8)
299#define   QCA8K_PORT_HOL_CTRL0_EG_PRI0_BUF_MASK		GENMASK(3, 0)
300#define   QCA8K_PORT_HOL_CTRL0_EG_PRI0(x)		FIELD_PREP(QCA8K_PORT_HOL_CTRL0_EG_PRI0_BUF_MASK, x)
301#define   QCA8K_PORT_HOL_CTRL0_EG_PRI1_BUF_MASK		GENMASK(7, 4)
302#define   QCA8K_PORT_HOL_CTRL0_EG_PRI1(x)		FIELD_PREP(QCA8K_PORT_HOL_CTRL0_EG_PRI1_BUF_MASK, x)
303#define   QCA8K_PORT_HOL_CTRL0_EG_PRI2_BUF_MASK		GENMASK(11, 8)
304#define   QCA8K_PORT_HOL_CTRL0_EG_PRI2(x)		FIELD_PREP(QCA8K_PORT_HOL_CTRL0_EG_PRI2_BUF_MASK, x)
305#define   QCA8K_PORT_HOL_CTRL0_EG_PRI3_BUF_MASK		GENMASK(15, 12)
306#define   QCA8K_PORT_HOL_CTRL0_EG_PRI3(x)		FIELD_PREP(QCA8K_PORT_HOL_CTRL0_EG_PRI3_BUF_MASK, x)
307#define   QCA8K_PORT_HOL_CTRL0_EG_PRI4_BUF_MASK		GENMASK(19, 16)
308#define   QCA8K_PORT_HOL_CTRL0_EG_PRI4(x)		FIELD_PREP(QCA8K_PORT_HOL_CTRL0_EG_PRI4_BUF_MASK, x)
309#define   QCA8K_PORT_HOL_CTRL0_EG_PRI5_BUF_MASK		GENMASK(23, 20)
310#define   QCA8K_PORT_HOL_CTRL0_EG_PRI5(x)		FIELD_PREP(QCA8K_PORT_HOL_CTRL0_EG_PRI5_BUF_MASK, x)
311#define   QCA8K_PORT_HOL_CTRL0_EG_PORT_BUF_MASK		GENMASK(29, 24)
312#define   QCA8K_PORT_HOL_CTRL0_EG_PORT(x)		FIELD_PREP(QCA8K_PORT_HOL_CTRL0_EG_PORT_BUF_MASK, x)
313
314#define QCA8K_REG_PORT_HOL_CTRL1(_i)			(0x974 + (_i) * 0x8)
315#define   QCA8K_PORT_HOL_CTRL1_ING_BUF_MASK		GENMASK(3, 0)
316#define   QCA8K_PORT_HOL_CTRL1_ING(x)			FIELD_PREP(QCA8K_PORT_HOL_CTRL1_ING_BUF_MASK, x)
317#define   QCA8K_PORT_HOL_CTRL1_EG_PRI_BUF_EN		BIT(6)
318#define   QCA8K_PORT_HOL_CTRL1_EG_PORT_BUF_EN		BIT(7)
319#define   QCA8K_PORT_HOL_CTRL1_WRED_EN			BIT(8)
320#define   QCA8K_PORT_HOL_CTRL1_EG_MIRROR_EN		BIT(16)
321
322/* Pkt edit registers */
323#define QCA8K_EGREES_VLAN_PORT_SHIFT(_i)		(16 * ((_i) % 2))
324#define QCA8K_EGREES_VLAN_PORT_MASK(_i)			(GENMASK(11, 0) << QCA8K_EGREES_VLAN_PORT_SHIFT(_i))
325#define QCA8K_EGREES_VLAN_PORT(_i, x)			((x) << QCA8K_EGREES_VLAN_PORT_SHIFT(_i))
326#define QCA8K_EGRESS_VLAN(x)				(0x0c70 + (4 * (x / 2)))
327
328/* L3 registers */
329#define QCA8K_HROUTER_CONTROL				0xe00
330#define   QCA8K_HROUTER_CONTROL_GLB_LOCKTIME_M		GENMASK(17, 16)
331#define   QCA8K_HROUTER_CONTROL_GLB_LOCKTIME_S		16
332#define   QCA8K_HROUTER_CONTROL_ARP_AGE_MODE		1
333#define QCA8K_HROUTER_PBASED_CONTROL1			0xe08
334#define QCA8K_HROUTER_PBASED_CONTROL2			0xe0c
335#define QCA8K_HNAT_CONTROL				0xe38
336
337/* MIB registers */
338#define QCA8K_PORT_MIB_COUNTER(_i)			(0x1000 + (_i) * 0x100)
339
340/* QCA specific MII registers */
341#define MII_ATH_MMD_ADDR				0x0d
342#define MII_ATH_MMD_DATA				0x0e
343
344enum {
345	QCA8K_PORT_SPEED_10M = 0,
346	QCA8K_PORT_SPEED_100M = 1,
347	QCA8K_PORT_SPEED_1000M = 2,
348	QCA8K_PORT_SPEED_ERR = 3,
349};
350
351enum qca8k_fdb_cmd {
352	QCA8K_FDB_FLUSH	= 1,
353	QCA8K_FDB_LOAD = 2,
354	QCA8K_FDB_PURGE = 3,
355	QCA8K_FDB_FLUSH_PORT = 5,
356	QCA8K_FDB_NEXT = 6,
357	QCA8K_FDB_SEARCH = 7,
358};
359
360enum qca8k_vlan_cmd {
361	QCA8K_VLAN_FLUSH = 1,
362	QCA8K_VLAN_LOAD = 2,
363	QCA8K_VLAN_PURGE = 3,
364	QCA8K_VLAN_REMOVE_PORT = 4,
365	QCA8K_VLAN_NEXT = 5,
366	QCA8K_VLAN_READ = 6,
367};
368
369enum qca8k_mid_cmd {
370	QCA8K_MIB_FLUSH = 1,
371	QCA8K_MIB_FLUSH_PORT = 2,
372	QCA8K_MIB_CAST = 3,
373};
374
375struct qca8k_priv;
376
377struct qca8k_info_ops {
378	int (*autocast_mib)(struct dsa_switch *ds, int port, u64 *data);
379};
380
381struct qca8k_match_data {
382	u8 id;
383	bool reduced_package;
384	u8 mib_count;
385	const struct qca8k_info_ops *ops;
386};
387
388enum {
389	QCA8K_CPU_PORT0,
390	QCA8K_CPU_PORT6,
391};
392
393struct qca8k_mgmt_eth_data {
394	struct completion rw_done;
395	struct mutex mutex; /* Enforce one mdio read/write at time */
396	bool ack;
397	u32 seq;
398	u32 data[4];
399};
400
401struct qca8k_mib_eth_data {
402	struct completion rw_done;
403	struct mutex mutex; /* Process one command at time */
404	refcount_t port_parsed; /* Counter to track parsed port */
405	u8 req_port;
406	u64 *data; /* pointer to ethtool data */
407};
408
409struct qca8k_ports_config {
410	bool sgmii_rx_clk_falling_edge;
411	bool sgmii_tx_clk_falling_edge;
412	bool sgmii_enable_pll;
413	u8 rgmii_rx_delay[QCA8K_NUM_CPU_PORTS]; /* 0: CPU port0, 1: CPU port6 */
414	u8 rgmii_tx_delay[QCA8K_NUM_CPU_PORTS]; /* 0: CPU port0, 1: CPU port6 */
415};
416
417struct qca8k_mdio_cache {
418/* The 32bit switch registers are accessed indirectly. To achieve this we need
419 * to set the page of the register. Track the last page that was set to reduce
420 * mdio writes
421 */
422	u16 page;
423};
424
425struct qca8k_pcs {
426	struct phylink_pcs pcs;
427	struct qca8k_priv *priv;
428	int port;
429};
430
431struct qca8k_led_pattern_en {
432	u32 reg;
433	u8 shift;
434};
435
436struct qca8k_led {
437	u8 port_num;
438	u8 led_num;
439	u16 old_rule;
440	struct qca8k_priv *priv;
441	struct led_classdev cdev;
442};
443
444struct qca8k_priv {
445	u8 switch_id;
446	u8 switch_revision;
447	u8 mirror_rx;
448	u8 mirror_tx;
449	u8 lag_hash_mode;
450	/* Each bit correspond to a port. This switch can support a max of 7 port.
451	 * Bit 1: port enabled. Bit 0: port disabled.
452	 */
453	u8 port_enabled_map;
454	struct qca8k_ports_config ports_config;
455	struct regmap *regmap;
456	struct mii_bus *bus;
457	struct mii_bus *internal_mdio_bus;
458	struct dsa_switch *ds;
459	struct mutex reg_mutex;
460	struct device *dev;
461	struct gpio_desc *reset_gpio;
462	struct net_device *mgmt_conduit; /* Track if mdio/mib Ethernet is available */
463	struct qca8k_mgmt_eth_data mgmt_eth_data;
464	struct qca8k_mib_eth_data mib_eth_data;
465	struct qca8k_mdio_cache mdio_cache;
466	struct qca8k_pcs pcs_port_0;
467	struct qca8k_pcs pcs_port_6;
468	const struct qca8k_match_data *info;
469	struct qca8k_led ports_led[QCA8K_LED_COUNT];
470};
471
472struct qca8k_mib_desc {
473	unsigned int size;
474	unsigned int offset;
475	const char *name;
476};
477
478struct qca8k_fdb {
479	u16 vid;
480	u8 port_mask;
481	u8 aging;
482	u8 mac[6];
483};
484
485static inline u32 qca8k_port_to_phy(int port)
486{
487	/* From Andrew Lunn:
488	 * Port 0 has no internal phy.
489	 * Port 1 has an internal PHY at MDIO address 0.
490	 * Port 2 has an internal PHY at MDIO address 1.
491	 * ...
492	 * Port 5 has an internal PHY at MDIO address 4.
493	 * Port 6 has no internal PHY.
494	 */
495
496	return port - 1;
497}
498
499/* Common setup function */
500extern const struct qca8k_mib_desc ar8327_mib[];
501extern const struct regmap_access_table qca8k_readable_table;
502int qca8k_mib_init(struct qca8k_priv *priv);
503void qca8k_port_set_status(struct qca8k_priv *priv, int port, int enable);
504int qca8k_read_switch_id(struct qca8k_priv *priv);
505
506/* Common read/write/rmw function */
507int qca8k_read(struct qca8k_priv *priv, u32 reg, u32 *val);
508int qca8k_write(struct qca8k_priv *priv, u32 reg, u32 val);
509int qca8k_rmw(struct qca8k_priv *priv, u32 reg, u32 mask, u32 write_val);
510
511/* Common ops function */
512void qca8k_fdb_flush(struct qca8k_priv *priv);
513
514/* Common ethtool stats function */
515void qca8k_get_strings(struct dsa_switch *ds, int port, u32 stringset, uint8_t *data);
516void qca8k_get_ethtool_stats(struct dsa_switch *ds, int port,
517			     uint64_t *data);
518int qca8k_get_sset_count(struct dsa_switch *ds, int port, int sset);
519
520/* Common eee function */
521int qca8k_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *eee);
522int qca8k_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *e);
523
524/* Common bridge function */
525void qca8k_port_stp_state_set(struct dsa_switch *ds, int port, u8 state);
526int qca8k_port_pre_bridge_flags(struct dsa_switch *ds, int port,
527				struct switchdev_brport_flags flags,
528				struct netlink_ext_ack *extack);
529int qca8k_port_bridge_flags(struct dsa_switch *ds, int port,
530			    struct switchdev_brport_flags flags,
531			    struct netlink_ext_ack *extack);
532int qca8k_port_bridge_join(struct dsa_switch *ds, int port,
533			   struct dsa_bridge bridge,
534			   bool *tx_fwd_offload,
535			   struct netlink_ext_ack *extack);
536void qca8k_port_bridge_leave(struct dsa_switch *ds, int port,
537			     struct dsa_bridge bridge);
538
539/* Common port enable/disable function */
540int qca8k_port_enable(struct dsa_switch *ds, int port,
541		      struct phy_device *phy);
542void qca8k_port_disable(struct dsa_switch *ds, int port);
543
544/* Common MTU function */
545int qca8k_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu);
546int qca8k_port_max_mtu(struct dsa_switch *ds, int port);
547
548/* Common fast age function */
549void qca8k_port_fast_age(struct dsa_switch *ds, int port);
550int qca8k_set_ageing_time(struct dsa_switch *ds, unsigned int msecs);
551
552/* Common FDB function */
553int qca8k_port_fdb_insert(struct qca8k_priv *priv, const u8 *addr,
554			  u16 port_mask, u16 vid);
555int qca8k_port_fdb_add(struct dsa_switch *ds, int port,
556		       const unsigned char *addr, u16 vid,
557		       struct dsa_db db);
558int qca8k_port_fdb_del(struct dsa_switch *ds, int port,
559		       const unsigned char *addr, u16 vid,
560		       struct dsa_db db);
561int qca8k_port_fdb_dump(struct dsa_switch *ds, int port,
562			dsa_fdb_dump_cb_t *cb, void *data);
563
564/* Common MDB function */
565int qca8k_port_mdb_add(struct dsa_switch *ds, int port,
566		       const struct switchdev_obj_port_mdb *mdb,
567		       struct dsa_db db);
568int qca8k_port_mdb_del(struct dsa_switch *ds, int port,
569		       const struct switchdev_obj_port_mdb *mdb,
570		       struct dsa_db db);
571
572/* Common port mirror function */
573int qca8k_port_mirror_add(struct dsa_switch *ds, int port,
574			  struct dsa_mall_mirror_tc_entry *mirror,
575			  bool ingress, struct netlink_ext_ack *extack);
576void qca8k_port_mirror_del(struct dsa_switch *ds, int port,
577			   struct dsa_mall_mirror_tc_entry *mirror);
578
579/* Common port VLAN function */
580int qca8k_port_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,
581			      struct netlink_ext_ack *extack);
582int qca8k_port_vlan_add(struct dsa_switch *ds, int port,
583			const struct switchdev_obj_port_vlan *vlan,
584			struct netlink_ext_ack *extack);
585int qca8k_port_vlan_del(struct dsa_switch *ds, int port,
586			const struct switchdev_obj_port_vlan *vlan);
587
588/* Common port LAG function */
589int qca8k_port_lag_join(struct dsa_switch *ds, int port, struct dsa_lag lag,
590			struct netdev_lag_upper_info *info,
591			struct netlink_ext_ack *extack);
592int qca8k_port_lag_leave(struct dsa_switch *ds, int port,
593			 struct dsa_lag lag);
594
595#endif /* __QCA8K_H */
596