1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /* Copyright (C) 2018 Microchip Technology Inc. */
3 
4 #ifndef _LAN743X_H
5 #define _LAN743X_H
6 
7 #include <linux/phy.h>
8 #include "lan743x_ptp.h"
9 
10 #define DRIVER_AUTHOR   "Bryan Whitehead <Bryan.Whitehead@microchip.com>"
11 #define DRIVER_DESC "LAN743x PCIe Gigabit Ethernet Driver"
12 #define DRIVER_NAME "lan743x"
13 
14 /* Register Definitions */
15 #define ID_REV				(0x00)
16 #define ID_REV_ID_MASK_			(0xFFFF0000)
17 #define ID_REV_ID_LAN7430_		(0x74300000)
18 #define ID_REV_ID_LAN7431_		(0x74310000)
19 #define ID_REV_ID_LAN743X_		(0x74300000)
20 #define ID_REV_ID_A011_			(0xA0110000)	// PCI11010
21 #define ID_REV_ID_A041_			(0xA0410000)	// PCI11414
22 #define ID_REV_ID_A0X1_			(0xA0010000)
23 #define ID_REV_IS_VALID_CHIP_ID_(id_rev)	    \
24 	((((id_rev) & 0xFFF00000) == ID_REV_ID_LAN743X_) || \
25 	 (((id_rev) & 0xFF0F0000) == ID_REV_ID_A0X1_))
26 #define ID_REV_CHIP_REV_MASK_		(0x0000FFFF)
27 #define ID_REV_CHIP_REV_A0_		(0x00000000)
28 #define ID_REV_CHIP_REV_B0_		(0x00000010)
29 #define ID_REV_CHIP_REV_PCI11X1X_B0_	(0x000000B0)
30 
31 #define FPGA_REV			(0x04)
32 #define FPGA_REV_GET_MINOR_(fpga_rev)	(((fpga_rev) >> 8) & 0x000000FF)
33 #define FPGA_REV_GET_MAJOR_(fpga_rev)	((fpga_rev) & 0x000000FF)
34 #define FPGA_SGMII_OP			BIT(24)
35 
36 #define STRAP_READ			(0x0C)
37 #define STRAP_READ_USE_SGMII_EN_	BIT(22)
38 #define STRAP_READ_SGMII_EN_		BIT(6)
39 #define STRAP_READ_SGMII_REFCLK_	BIT(5)
40 #define STRAP_READ_SGMII_2_5G_		BIT(4)
41 #define STRAP_READ_BASE_X_		BIT(3)
42 #define STRAP_READ_RGMII_TXC_DELAY_EN_	BIT(2)
43 #define STRAP_READ_RGMII_RXC_DELAY_EN_	BIT(1)
44 #define STRAP_READ_ADV_PM_DISABLE_	BIT(0)
45 
46 #define HW_CFG					(0x010)
47 #define HW_CFG_RST_PROTECT_PCIE_		BIT(19)
48 #define HW_CFG_HOT_RESET_DIS_			BIT(15)
49 #define HW_CFG_D3_VAUX_OVR_			BIT(14)
50 #define HW_CFG_D3_RESET_DIS_			BIT(13)
51 #define HW_CFG_RST_PROTECT_			BIT(12)
52 #define HW_CFG_RELOAD_TYPE_ALL_			(0x00000FC0)
53 #define HW_CFG_EE_OTP_RELOAD_			BIT(4)
54 #define HW_CFG_LRST_				BIT(1)
55 
56 #define PMT_CTL					(0x014)
57 #define PMT_CTL_ETH_PHY_D3_COLD_OVR_		BIT(27)
58 #define PMT_CTL_MAC_D3_RX_CLK_OVR_		BIT(25)
59 #define PMT_CTL_ETH_PHY_EDPD_PLL_CTL_		BIT(24)
60 #define PMT_CTL_ETH_PHY_D3_OVR_			BIT(23)
61 #define PMT_CTL_RX_FCT_RFE_D3_CLK_OVR_		BIT(18)
62 #define PMT_CTL_GPIO_WAKEUP_EN_			BIT(15)
63 #define PMT_CTL_EEE_WAKEUP_EN_			BIT(13)
64 #define PMT_CTL_READY_				BIT(7)
65 #define PMT_CTL_ETH_PHY_RST_			BIT(4)
66 #define PMT_CTL_WOL_EN_				BIT(3)
67 #define PMT_CTL_ETH_PHY_WAKE_EN_		BIT(2)
68 #define PMT_CTL_WUPS_MASK_			(0x00000003)
69 
70 #define DP_SEL				(0x024)
71 #define DP_SEL_DPRDY_			BIT(31)
72 #define DP_SEL_MASK_			(0x0000001F)
73 #define DP_SEL_RFE_RAM			(0x00000001)
74 
75 #define DP_SEL_VHF_HASH_LEN		(16)
76 #define DP_SEL_VHF_VLAN_LEN		(128)
77 
78 #define DP_CMD				(0x028)
79 #define DP_CMD_WRITE_			(0x00000001)
80 
81 #define DP_ADDR				(0x02C)
82 
83 #define DP_DATA_0			(0x030)
84 
85 #define E2P_CMD				(0x040)
86 #define E2P_CMD_EPC_BUSY_		BIT(31)
87 #define E2P_CMD_EPC_CMD_WRITE_		(0x30000000)
88 #define E2P_CMD_EPC_CMD_EWEN_		(0x20000000)
89 #define E2P_CMD_EPC_CMD_READ_		(0x00000000)
90 #define E2P_CMD_EPC_TIMEOUT_		BIT(10)
91 #define E2P_CMD_EPC_ADDR_MASK_		(0x000001FF)
92 
93 #define E2P_DATA			(0x044)
94 
95 /* Hearthstone top level & System Reg Addresses */
96 #define ETH_CTRL_REG_ADDR_BASE		(0x0000)
97 #define ETH_SYS_REG_ADDR_BASE		(0x4000)
98 #define CONFIG_REG_ADDR_BASE		(0x0000)
99 #define ETH_EEPROM_REG_ADDR_BASE	(0x0E00)
100 #define ETH_OTP_REG_ADDR_BASE		(0x1000)
101 #define GEN_SYS_CONFIG_LOAD_STARTED_REG	(0x0078)
102 #define ETH_SYS_CONFIG_LOAD_STARTED_REG (ETH_SYS_REG_ADDR_BASE + \
103 					 CONFIG_REG_ADDR_BASE + \
104 					 GEN_SYS_CONFIG_LOAD_STARTED_REG)
105 #define GEN_SYS_LOAD_STARTED_REG_ETH_	BIT(4)
106 #define SYS_LOCK_REG			(0x00A0)
107 #define SYS_LOCK_REG_MAIN_LOCK_		BIT(7)
108 #define SYS_LOCK_REG_GEN_PERI_LOCK_	BIT(5)
109 #define SYS_LOCK_REG_SPI_PERI_LOCK_	BIT(4)
110 #define SYS_LOCK_REG_SMBUS_PERI_LOCK_	BIT(3)
111 #define SYS_LOCK_REG_UART_SS_LOCK_	BIT(2)
112 #define SYS_LOCK_REG_ENET_SS_LOCK_	BIT(1)
113 #define SYS_LOCK_REG_USB_SS_LOCK_	BIT(0)
114 #define ETH_SYSTEM_SYS_LOCK_REG		(ETH_SYS_REG_ADDR_BASE + \
115 					 CONFIG_REG_ADDR_BASE + \
116 					 SYS_LOCK_REG)
117 #define HS_EEPROM_REG_ADDR_BASE		(ETH_SYS_REG_ADDR_BASE + \
118 					 ETH_EEPROM_REG_ADDR_BASE)
119 #define HS_E2P_CMD			(HS_EEPROM_REG_ADDR_BASE + 0x0000)
120 #define HS_E2P_CMD_EPC_BUSY_		BIT(31)
121 #define HS_E2P_CMD_EPC_CMD_WRITE_	GENMASK(29, 28)
122 #define HS_E2P_CMD_EPC_CMD_READ_	(0x0)
123 #define HS_E2P_CMD_EPC_TIMEOUT_		BIT(17)
124 #define HS_E2P_CMD_EPC_ADDR_MASK_	GENMASK(15, 0)
125 #define HS_E2P_DATA			(HS_EEPROM_REG_ADDR_BASE + 0x0004)
126 #define HS_E2P_DATA_MASK_		GENMASK(7, 0)
127 #define HS_E2P_CFG			(HS_EEPROM_REG_ADDR_BASE + 0x0008)
128 #define HS_E2P_CFG_I2C_PULSE_MASK_	GENMASK(19, 16)
129 #define HS_E2P_CFG_EEPROM_SIZE_SEL_	BIT(12)
130 #define HS_E2P_CFG_I2C_BAUD_RATE_MASK_	GENMASK(9, 8)
131 #define HS_E2P_CFG_TEST_EEPR_TO_BYP_	BIT(0)
132 #define HS_E2P_PAD_CTL			(HS_EEPROM_REG_ADDR_BASE + 0x000C)
133 
134 #define GPIO_CFG0			(0x050)
135 #define GPIO_CFG0_GPIO_DIR_BIT_(bit)	BIT(16 + (bit))
136 #define GPIO_CFG0_GPIO_DATA_BIT_(bit)	BIT(0 + (bit))
137 
138 #define GPIO_CFG1			(0x054)
139 #define GPIO_CFG1_GPIOEN_BIT_(bit)	BIT(16 + (bit))
140 #define GPIO_CFG1_GPIOBUF_BIT_(bit)	BIT(0 + (bit))
141 
142 #define GPIO_CFG2			(0x058)
143 #define GPIO_CFG2_1588_POL_BIT_(bit)	BIT(0 + (bit))
144 
145 #define GPIO_CFG3			(0x05C)
146 #define GPIO_CFG3_1588_CH_SEL_BIT_(bit)	BIT(16 + (bit))
147 #define GPIO_CFG3_1588_OE_BIT_(bit)	BIT(0 + (bit))
148 
149 #define FCT_RX_CTL			(0xAC)
150 #define FCT_RX_CTL_EN_(channel)		BIT(28 + (channel))
151 #define FCT_RX_CTL_DIS_(channel)	BIT(24 + (channel))
152 #define FCT_RX_CTL_RESET_(channel)	BIT(20 + (channel))
153 
154 #define FCT_TX_CTL			(0xC4)
155 #define FCT_TX_CTL_EN_(channel)		BIT(28 + (channel))
156 #define FCT_TX_CTL_DIS_(channel)	BIT(24 + (channel))
157 #define FCT_TX_CTL_RESET_(channel)	BIT(20 + (channel))
158 
159 #define FCT_FLOW(rx_channel)			(0xE0 + ((rx_channel) << 2))
160 #define FCT_FLOW_CTL_OFF_THRESHOLD_		(0x00007F00)
161 #define FCT_FLOW_CTL_OFF_THRESHOLD_SET_(value)	\
162 	((value << 8) & FCT_FLOW_CTL_OFF_THRESHOLD_)
163 #define FCT_FLOW_CTL_REQ_EN_			BIT(7)
164 #define FCT_FLOW_CTL_ON_THRESHOLD_		(0x0000007F)
165 #define FCT_FLOW_CTL_ON_THRESHOLD_SET_(value)	\
166 	((value << 0) & FCT_FLOW_CTL_ON_THRESHOLD_)
167 
168 #define MAC_CR				(0x100)
169 #define MAC_CR_MII_EN_			BIT(19)
170 #define MAC_CR_EEE_EN_			BIT(17)
171 #define MAC_CR_ADD_			BIT(12)
172 #define MAC_CR_ASD_			BIT(11)
173 #define MAC_CR_CNTR_RST_		BIT(5)
174 #define MAC_CR_DPX_			BIT(3)
175 #define MAC_CR_CFG_H_			BIT(2)
176 #define MAC_CR_CFG_L_			BIT(1)
177 #define MAC_CR_RST_			BIT(0)
178 
179 #define MAC_RX				(0x104)
180 #define MAC_RX_MAX_SIZE_SHIFT_		(16)
181 #define MAC_RX_MAX_SIZE_MASK_		(0x3FFF0000)
182 #define MAC_RX_RXD_			BIT(1)
183 #define MAC_RX_RXEN_			BIT(0)
184 
185 #define MAC_TX				(0x108)
186 #define MAC_TX_TXD_			BIT(1)
187 #define MAC_TX_TXEN_			BIT(0)
188 
189 #define MAC_FLOW			(0x10C)
190 #define MAC_FLOW_CR_TX_FCEN_		BIT(30)
191 #define MAC_FLOW_CR_RX_FCEN_		BIT(29)
192 #define MAC_FLOW_CR_FCPT_MASK_		(0x0000FFFF)
193 
194 #define MAC_RX_ADDRH			(0x118)
195 
196 #define MAC_RX_ADDRL			(0x11C)
197 
198 #define MAC_MII_ACC			(0x120)
199 #define MAC_MII_ACC_MDC_CYCLE_SHIFT_	(16)
200 #define MAC_MII_ACC_MDC_CYCLE_MASK_	(0x00070000)
201 #define MAC_MII_ACC_MDC_CYCLE_2_5MHZ_	(0)
202 #define MAC_MII_ACC_MDC_CYCLE_5MHZ_	(1)
203 #define MAC_MII_ACC_MDC_CYCLE_12_5MHZ_	(2)
204 #define MAC_MII_ACC_MDC_CYCLE_25MHZ_	(3)
205 #define MAC_MII_ACC_MDC_CYCLE_1_25MHZ_	(4)
206 #define MAC_MII_ACC_PHY_ADDR_SHIFT_	(11)
207 #define MAC_MII_ACC_PHY_ADDR_MASK_	(0x0000F800)
208 #define MAC_MII_ACC_MIIRINDA_SHIFT_	(6)
209 #define MAC_MII_ACC_MIIRINDA_MASK_	(0x000007C0)
210 #define MAC_MII_ACC_MII_READ_		(0x00000000)
211 #define MAC_MII_ACC_MII_WRITE_		(0x00000002)
212 #define MAC_MII_ACC_MII_BUSY_		BIT(0)
213 
214 #define MAC_MII_ACC_MIIMMD_SHIFT_	(6)
215 #define MAC_MII_ACC_MIIMMD_MASK_	(0x000007C0)
216 #define MAC_MII_ACC_MIICL45_		BIT(3)
217 #define MAC_MII_ACC_MIICMD_MASK_	(0x00000006)
218 #define MAC_MII_ACC_MIICMD_ADDR_	(0x00000000)
219 #define MAC_MII_ACC_MIICMD_WRITE_	(0x00000002)
220 #define MAC_MII_ACC_MIICMD_READ_	(0x00000004)
221 #define MAC_MII_ACC_MIICMD_READ_INC_	(0x00000006)
222 
223 #define MAC_MII_DATA			(0x124)
224 
225 #define MAC_EEE_TX_LPI_REQ_DLY_CNT		(0x130)
226 
227 #define MAC_WUCSR				(0x140)
228 #define MAC_MP_SO_EN_				BIT(21)
229 #define MAC_WUCSR_RFE_WAKE_EN_			BIT(14)
230 #define MAC_WUCSR_PFDA_EN_			BIT(3)
231 #define MAC_WUCSR_WAKE_EN_			BIT(2)
232 #define MAC_WUCSR_MPEN_				BIT(1)
233 #define MAC_WUCSR_BCST_EN_			BIT(0)
234 
235 #define MAC_WK_SRC				(0x144)
236 #define MAC_MP_SO_HI				(0x148)
237 #define MAC_MP_SO_LO				(0x14C)
238 
239 #define MAC_WUF_CFG0			(0x150)
240 #define MAC_NUM_OF_WUF_CFG		(32)
241 #define MAC_WUF_CFG_BEGIN		(MAC_WUF_CFG0)
242 #define MAC_WUF_CFG(index)		(MAC_WUF_CFG_BEGIN + (4 * (index)))
243 #define MAC_WUF_CFG_EN_			BIT(31)
244 #define MAC_WUF_CFG_TYPE_MCAST_		(0x02000000)
245 #define MAC_WUF_CFG_TYPE_ALL_		(0x01000000)
246 #define MAC_WUF_CFG_OFFSET_SHIFT_	(16)
247 #define MAC_WUF_CFG_CRC16_MASK_		(0x0000FFFF)
248 
249 #define MAC_WUF_MASK0_0			(0x200)
250 #define MAC_WUF_MASK0_1			(0x204)
251 #define MAC_WUF_MASK0_2			(0x208)
252 #define MAC_WUF_MASK0_3			(0x20C)
253 #define MAC_WUF_MASK0_BEGIN		(MAC_WUF_MASK0_0)
254 #define MAC_WUF_MASK1_BEGIN		(MAC_WUF_MASK0_1)
255 #define MAC_WUF_MASK2_BEGIN		(MAC_WUF_MASK0_2)
256 #define MAC_WUF_MASK3_BEGIN		(MAC_WUF_MASK0_3)
257 #define MAC_WUF_MASK0(index)		(MAC_WUF_MASK0_BEGIN + (0x10 * (index)))
258 #define MAC_WUF_MASK1(index)		(MAC_WUF_MASK1_BEGIN + (0x10 * (index)))
259 #define MAC_WUF_MASK2(index)		(MAC_WUF_MASK2_BEGIN + (0x10 * (index)))
260 #define MAC_WUF_MASK3(index)		(MAC_WUF_MASK3_BEGIN + (0x10 * (index)))
261 
262 /* offset 0x400 - 0x500, x may range from 0 to 32, for a total of 33 entries */
263 #define RFE_ADDR_FILT_HI(x)		(0x400 + (8 * (x)))
264 #define RFE_ADDR_FILT_HI_VALID_		BIT(31)
265 
266 /* offset 0x404 - 0x504, x may range from 0 to 32, for a total of 33 entries */
267 #define RFE_ADDR_FILT_LO(x)		(0x404 + (8 * (x)))
268 
269 #define RFE_CTL				(0x508)
270 #define RFE_CTL_TCP_UDP_COE_		BIT(12)
271 #define RFE_CTL_IP_COE_			BIT(11)
272 #define RFE_CTL_AB_			BIT(10)
273 #define RFE_CTL_AM_			BIT(9)
274 #define RFE_CTL_AU_			BIT(8)
275 #define RFE_CTL_MCAST_HASH_		BIT(3)
276 #define RFE_CTL_DA_PERFECT_		BIT(1)
277 
278 #define RFE_RSS_CFG			(0x554)
279 #define RFE_RSS_CFG_UDP_IPV6_EX_	BIT(16)
280 #define RFE_RSS_CFG_TCP_IPV6_EX_	BIT(15)
281 #define RFE_RSS_CFG_IPV6_EX_		BIT(14)
282 #define RFE_RSS_CFG_UDP_IPV6_		BIT(13)
283 #define RFE_RSS_CFG_TCP_IPV6_		BIT(12)
284 #define RFE_RSS_CFG_IPV6_		BIT(11)
285 #define RFE_RSS_CFG_UDP_IPV4_		BIT(10)
286 #define RFE_RSS_CFG_TCP_IPV4_		BIT(9)
287 #define RFE_RSS_CFG_IPV4_		BIT(8)
288 #define RFE_RSS_CFG_VALID_HASH_BITS_	(0x000000E0)
289 #define RFE_RSS_CFG_RSS_QUEUE_ENABLE_	BIT(2)
290 #define RFE_RSS_CFG_RSS_HASH_STORE_	BIT(1)
291 #define RFE_RSS_CFG_RSS_ENABLE_		BIT(0)
292 
293 #define RFE_HASH_KEY(index)		(0x558 + (index << 2))
294 
295 #define RFE_INDX(index)			(0x580 + (index << 2))
296 
297 #define MAC_WUCSR2			(0x600)
298 
299 #define SGMII_ACC			(0x720)
300 #define SGMII_ACC_SGMII_BZY_		BIT(31)
301 #define SGMII_ACC_SGMII_WR_		BIT(30)
302 #define SGMII_ACC_SGMII_MMD_SHIFT_	(16)
303 #define SGMII_ACC_SGMII_MMD_MASK_	GENMASK(20, 16)
304 #define SGMII_ACC_SGMII_MMD_VSR_	BIT(15)
305 #define SGMII_ACC_SGMII_ADDR_SHIFT_	(0)
306 #define SGMII_ACC_SGMII_ADDR_MASK_	GENMASK(15, 0)
307 #define SGMII_DATA			(0x724)
308 #define SGMII_DATA_SHIFT_		(0)
309 #define SGMII_DATA_MASK_		GENMASK(15, 0)
310 #define SGMII_CTL			(0x728)
311 #define SGMII_CTL_SGMII_ENABLE_		BIT(31)
312 #define SGMII_CTL_LINK_STATUS_SOURCE_	BIT(8)
313 #define SGMII_CTL_SGMII_POWER_DN_	BIT(1)
314 
315 #define MISC_CTL_0			(0x920)
316 #define MISC_CTL_0_RFE_READ_FIFO_MASK_	GENMASK(6, 4)
317 
318 /* Vendor Specific SGMII MMD details */
319 #define SR_VSMMD_PCS_ID1		0x0004
320 #define SR_VSMMD_PCS_ID2		0x0005
321 #define SR_VSMMD_STS			0x0008
322 #define SR_VSMMD_CTRL			0x0009
323 
324 #define VR_MII_DIG_CTRL1			0x8000
325 #define VR_MII_DIG_CTRL1_VR_RST_		BIT(15)
326 #define VR_MII_DIG_CTRL1_R2TLBE_		BIT(14)
327 #define VR_MII_DIG_CTRL1_EN_VSMMD1_		BIT(13)
328 #define VR_MII_DIG_CTRL1_CS_EN_			BIT(10)
329 #define VR_MII_DIG_CTRL1_MAC_AUTO_SW_		BIT(9)
330 #define VR_MII_DIG_CTRL1_INIT_			BIT(8)
331 #define VR_MII_DIG_CTRL1_DTXLANED_0_		BIT(4)
332 #define VR_MII_DIG_CTRL1_CL37_TMR_OVR_RIDE_	BIT(3)
333 #define VR_MII_DIG_CTRL1_EN_2_5G_MODE_		BIT(2)
334 #define VR_MII_DIG_CTRL1_BYP_PWRUP_		BIT(1)
335 #define VR_MII_DIG_CTRL1_PHY_MODE_CTRL_		BIT(0)
336 #define VR_MII_AN_CTRL				0x8001
337 #define VR_MII_AN_CTRL_MII_CTRL_		BIT(8)
338 #define VR_MII_AN_CTRL_SGMII_LINK_STS_		BIT(4)
339 #define VR_MII_AN_CTRL_TX_CONFIG_		BIT(3)
340 #define VR_MII_AN_CTRL_1000BASE_X_		(0)
341 #define VR_MII_AN_CTRL_SGMII_MODE_		(2)
342 #define VR_MII_AN_CTRL_QSGMII_MODE_		(3)
343 #define VR_MII_AN_CTRL_PCS_MODE_SHIFT_		(1)
344 #define VR_MII_AN_CTRL_PCS_MODE_MASK_		GENMASK(2, 1)
345 #define VR_MII_AN_CTRL_MII_AN_INTR_EN_		BIT(0)
346 #define VR_MII_AN_INTR_STS			0x8002
347 #define VR_MII_AN_INTR_STS_LINK_UP_		BIT(4)
348 #define VR_MII_AN_INTR_STS_SPEED_MASK_		GENMASK(3, 2)
349 #define VR_MII_AN_INTR_STS_1000_MBPS_		BIT(3)
350 #define VR_MII_AN_INTR_STS_100_MBPS_		BIT(2)
351 #define VR_MII_AN_INTR_STS_10_MBPS_		(0)
352 #define VR_MII_AN_INTR_STS_FDX_			BIT(1)
353 #define VR_MII_AN_INTR_STS_CL37_ANCMPLT_INTR_	BIT(0)
354 
355 #define VR_MII_LINK_TIMER_CTRL			0x800A
356 #define VR_MII_DIG_STS                          0x8010
357 #define VR_MII_DIG_STS_PSEQ_STATE_MASK_         GENMASK(4, 2)
358 #define VR_MII_DIG_STS_PSEQ_STATE_POS_          (2)
359 #define VR_MII_GEN2_4_MPLL_CTRL0		0x8078
360 #define VR_MII_MPLL_CTRL0_REF_CLK_DIV2_		BIT(12)
361 #define VR_MII_MPLL_CTRL0_USE_REFCLK_PAD_	BIT(4)
362 #define VR_MII_GEN2_4_MPLL_CTRL1		0x8079
363 #define VR_MII_MPLL_CTRL1_MPLL_MULTIPLIER_	GENMASK(6, 0)
364 #define VR_MII_BAUD_RATE_3P125GBPS		(3125)
365 #define VR_MII_BAUD_RATE_1P25GBPS		(1250)
366 #define VR_MII_MPLL_MULTIPLIER_125		(125)
367 #define VR_MII_MPLL_MULTIPLIER_100		(100)
368 #define VR_MII_MPLL_MULTIPLIER_50		(50)
369 #define VR_MII_MPLL_MULTIPLIER_40		(40)
370 #define VR_MII_GEN2_4_MISC_CTRL1		0x809A
371 #define VR_MII_CTRL1_RX_RATE_0_MASK_		GENMASK(3, 2)
372 #define VR_MII_CTRL1_RX_RATE_0_SHIFT_		(2)
373 #define VR_MII_CTRL1_TX_RATE_0_MASK_		GENMASK(1, 0)
374 #define VR_MII_MPLL_BAUD_CLK			(0)
375 #define VR_MII_MPLL_BAUD_CLK_DIV_2		(1)
376 #define VR_MII_MPLL_BAUD_CLK_DIV_4		(2)
377 
378 #define INT_STS				(0x780)
379 #define INT_BIT_DMA_RX_(channel)	BIT(24 + (channel))
380 #define INT_BIT_ALL_RX_			(0x0F000000)
381 #define INT_BIT_DMA_TX_(channel)	BIT(16 + (channel))
382 #define INT_BIT_ALL_TX_			(0x000F0000)
383 #define INT_BIT_SW_GP_			BIT(9)
384 #define INT_BIT_1588_			BIT(7)
385 #define INT_BIT_ALL_OTHER_		(INT_BIT_SW_GP_ | INT_BIT_1588_)
386 #define INT_BIT_MAS_			BIT(0)
387 
388 #define INT_SET				(0x784)
389 
390 #define INT_EN_SET			(0x788)
391 
392 #define INT_EN_CLR			(0x78C)
393 
394 #define INT_STS_R2C			(0x790)
395 
396 #define INT_VEC_EN_SET			(0x794)
397 #define INT_VEC_EN_CLR			(0x798)
398 #define INT_VEC_EN_AUTO_CLR		(0x79C)
399 #define INT_VEC_EN_(vector_index)	BIT(0 + vector_index)
400 
401 #define INT_VEC_MAP0			(0x7A0)
402 #define INT_VEC_MAP0_RX_VEC_(channel, vector)	\
403 	(((u32)(vector)) << ((channel) << 2))
404 
405 #define INT_VEC_MAP1			(0x7A4)
406 #define INT_VEC_MAP1_TX_VEC_(channel, vector)	\
407 	(((u32)(vector)) << ((channel) << 2))
408 
409 #define INT_VEC_MAP2			(0x7A8)
410 
411 #define INT_MOD_MAP0			(0x7B0)
412 
413 #define INT_MOD_MAP1			(0x7B4)
414 
415 #define INT_MOD_MAP2			(0x7B8)
416 
417 #define INT_MOD_CFG0			(0x7C0)
418 #define INT_MOD_CFG1			(0x7C4)
419 #define INT_MOD_CFG2			(0x7C8)
420 #define INT_MOD_CFG3			(0x7CC)
421 #define INT_MOD_CFG4			(0x7D0)
422 #define INT_MOD_CFG5			(0x7D4)
423 #define INT_MOD_CFG6			(0x7D8)
424 #define INT_MOD_CFG7			(0x7DC)
425 #define INT_MOD_CFG8			(0x7E0)
426 #define INT_MOD_CFG9			(0x7E4)
427 
428 #define PTP_CMD_CTL					(0x0A00)
429 #define PTP_CMD_CTL_PTP_LTC_TARGET_READ_		BIT(13)
430 #define PTP_CMD_CTL_PTP_CLK_STP_NSEC_			BIT(6)
431 #define PTP_CMD_CTL_PTP_CLOCK_STEP_SEC_			BIT(5)
432 #define PTP_CMD_CTL_PTP_CLOCK_LOAD_			BIT(4)
433 #define PTP_CMD_CTL_PTP_CLOCK_READ_			BIT(3)
434 #define PTP_CMD_CTL_PTP_ENABLE_				BIT(2)
435 #define PTP_CMD_CTL_PTP_DISABLE_			BIT(1)
436 #define PTP_CMD_CTL_PTP_RESET_				BIT(0)
437 #define PTP_GENERAL_CONFIG				(0x0A04)
438 #define PTP_GENERAL_CONFIG_CLOCK_EVENT_X_MASK_(channel) \
439 	(0x7 << (1 + ((channel) << 2)))
440 #define PTP_GENERAL_CONFIG_CLOCK_EVENT_100NS_	(0)
441 #define PTP_GENERAL_CONFIG_CLOCK_EVENT_10US_	(1)
442 #define PTP_GENERAL_CONFIG_CLOCK_EVENT_100US_	(2)
443 #define PTP_GENERAL_CONFIG_CLOCK_EVENT_1MS_	(3)
444 #define PTP_GENERAL_CONFIG_CLOCK_EVENT_10MS_	(4)
445 #define PTP_GENERAL_CONFIG_CLOCK_EVENT_200MS_	(5)
446 #define PTP_GENERAL_CONFIG_CLOCK_EVENT_TOGGLE_	(6)
447 #define PTP_GENERAL_CONFIG_CLOCK_EVENT_X_SET_(channel, value) \
448 	(((value) & 0x7) << (1 + ((channel) << 2)))
449 #define PTP_GENERAL_CONFIG_RELOAD_ADD_X_(channel)	(BIT((channel) << 2))
450 
451 #define HS_PTP_GENERAL_CONFIG				(0x0A04)
452 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_X_MASK_(channel) \
453 	(0xf << (4 + ((channel) << 2)))
454 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_100NS_	(0)
455 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_500NS_	(1)
456 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_1US_		(2)
457 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_5US_		(3)
458 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_10US_		(4)
459 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_50US_		(5)
460 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_100US_	(6)
461 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_500US_	(7)
462 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_1MS_		(8)
463 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_5MS_		(9)
464 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_10MS_		(10)
465 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_50MS_		(11)
466 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_100MS_	(12)
467 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_200MS_	(13)
468 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_TOGG_		(14)
469 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_INT_		(15)
470 #define HS_PTP_GENERAL_CONFIG_CLOCK_EVENT_X_SET_(channel, value) \
471 	(((value) & 0xf) << (4 + ((channel) << 2)))
472 #define HS_PTP_GENERAL_CONFIG_EVENT_POL_X_(channel)	(BIT(1 + ((channel) * 2)))
473 #define HS_PTP_GENERAL_CONFIG_RELOAD_ADD_X_(channel)	(BIT((channel) * 2))
474 
475 #define PTP_INT_STS				(0x0A08)
476 #define PTP_INT_IO_FE_MASK_			GENMASK(31, 24)
477 #define PTP_INT_IO_FE_SHIFT_			(24)
478 #define PTP_INT_IO_FE_SET_(channel)		BIT(24 + (channel))
479 #define PTP_INT_IO_RE_MASK_			GENMASK(23, 16)
480 #define PTP_INT_IO_RE_SHIFT_			(16)
481 #define PTP_INT_IO_RE_SET_(channel)		BIT(16 + (channel))
482 #define PTP_INT_TX_TS_OVRFL_INT_		BIT(14)
483 #define PTP_INT_TX_SWTS_ERR_INT_		BIT(13)
484 #define PTP_INT_TX_TS_INT_			BIT(12)
485 #define PTP_INT_RX_TS_OVRFL_INT_		BIT(9)
486 #define PTP_INT_RX_TS_INT_			BIT(8)
487 #define PTP_INT_TIMER_INT_B_			BIT(1)
488 #define PTP_INT_TIMER_INT_A_			BIT(0)
489 #define PTP_INT_EN_SET				(0x0A0C)
490 #define PTP_INT_EN_FE_EN_SET_(channel)		BIT(24 + (channel))
491 #define PTP_INT_EN_RE_EN_SET_(channel)		BIT(16 + (channel))
492 #define PTP_INT_EN_TIMER_SET_(channel)		BIT(channel)
493 #define PTP_INT_EN_CLR				(0x0A10)
494 #define PTP_INT_EN_FE_EN_CLR_(channel)		BIT(24 + (channel))
495 #define PTP_INT_EN_RE_EN_CLR_(channel)		BIT(16 + (channel))
496 #define PTP_INT_BIT_TX_SWTS_ERR_		BIT(13)
497 #define PTP_INT_BIT_TX_TS_			BIT(12)
498 #define PTP_INT_BIT_TIMER_B_			BIT(1)
499 #define PTP_INT_BIT_TIMER_A_			BIT(0)
500 
501 #define PTP_CLOCK_SEC				(0x0A14)
502 #define PTP_CLOCK_NS				(0x0A18)
503 #define PTP_CLOCK_SUBNS				(0x0A1C)
504 #define PTP_CLOCK_RATE_ADJ			(0x0A20)
505 #define PTP_CLOCK_RATE_ADJ_DIR_			BIT(31)
506 #define PTP_CLOCK_STEP_ADJ			(0x0A2C)
507 #define PTP_CLOCK_STEP_ADJ_DIR_			BIT(31)
508 #define PTP_CLOCK_STEP_ADJ_VALUE_MASK_		(0x3FFFFFFF)
509 #define PTP_CLOCK_TARGET_SEC_X(channel)		(0x0A30 + ((channel) << 4))
510 #define PTP_CLOCK_TARGET_NS_X(channel)		(0x0A34 + ((channel) << 4))
511 #define PTP_CLOCK_TARGET_RELOAD_SEC_X(channel)	(0x0A38 + ((channel) << 4))
512 #define PTP_CLOCK_TARGET_RELOAD_NS_X(channel)	(0x0A3C + ((channel) << 4))
513 #define PTP_LTC_SET_SEC_HI			(0x0A50)
514 #define PTP_LTC_SET_SEC_HI_SEC_47_32_MASK_	GENMASK(15, 0)
515 #define PTP_VERSION				(0x0A54)
516 #define PTP_VERSION_TX_UP_MASK_			GENMASK(31, 24)
517 #define PTP_VERSION_TX_LO_MASK_			GENMASK(23, 16)
518 #define PTP_VERSION_RX_UP_MASK_			GENMASK(15, 8)
519 #define PTP_VERSION_RX_LO_MASK_			GENMASK(7, 0)
520 #define PTP_IO_SEL				(0x0A58)
521 #define PTP_IO_SEL_MASK_			GENMASK(10, 8)
522 #define PTP_IO_SEL_SHIFT_			(8)
523 #define PTP_LATENCY				(0x0A5C)
524 #define PTP_LATENCY_TX_SET_(tx_latency)		(((u32)(tx_latency)) << 16)
525 #define PTP_LATENCY_RX_SET_(rx_latency)		\
526 	(((u32)(rx_latency)) & 0x0000FFFF)
527 #define PTP_CAP_INFO				(0x0A60)
528 #define PTP_CAP_INFO_TX_TS_CNT_GET_(reg_val)	(((reg_val) & 0x00000070) >> 4)
529 
530 #define PTP_TX_MOD				(0x0AA4)
531 #define PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_	(0x10000000)
532 
533 #define PTP_TX_MOD2				(0x0AA8)
534 #define PTP_TX_MOD2_TX_PTP_CLR_UDPV4_CHKSUM_	(0x00000001)
535 
536 #define PTP_TX_EGRESS_SEC			(0x0AAC)
537 #define PTP_TX_EGRESS_NS			(0x0AB0)
538 #define PTP_TX_EGRESS_NS_CAPTURE_CAUSE_MASK_	(0xC0000000)
539 #define PTP_TX_EGRESS_NS_CAPTURE_CAUSE_AUTO_	(0x00000000)
540 #define PTP_TX_EGRESS_NS_CAPTURE_CAUSE_SW_	(0x40000000)
541 #define PTP_TX_EGRESS_NS_TS_NS_MASK_		(0x3FFFFFFF)
542 
543 #define PTP_TX_MSG_HEADER			(0x0AB4)
544 #define PTP_TX_MSG_HEADER_MSG_TYPE_		(0x000F0000)
545 #define PTP_TX_MSG_HEADER_MSG_TYPE_SYNC_	(0x00000000)
546 
547 #define PTP_TX_CAP_INFO				(0x0AB8)
548 #define PTP_TX_CAP_INFO_TX_CH_MASK_		GENMASK(1, 0)
549 #define PTP_TX_DOMAIN				(0x0ABC)
550 #define PTP_TX_DOMAIN_MASK_			GENMASK(23, 16)
551 #define PTP_TX_DOMAIN_RANGE_EN_			BIT(15)
552 #define PTP_TX_DOMAIN_RANGE_MASK_		GENMASK(7, 0)
553 #define PTP_TX_SDOID				(0x0AC0)
554 #define PTP_TX_SDOID_MASK_			GENMASK(23, 16)
555 #define PTP_TX_SDOID_RANGE_EN_			BIT(15)
556 #define PTP_TX_SDOID_11_0_MASK_			GENMASK(7, 0)
557 #define PTP_IO_CAP_CONFIG			(0x0AC4)
558 #define PTP_IO_CAP_CONFIG_LOCK_FE_(channel)	BIT(24 + (channel))
559 #define PTP_IO_CAP_CONFIG_LOCK_RE_(channel)	BIT(16 + (channel))
560 #define PTP_IO_CAP_CONFIG_FE_CAP_EN_(channel)	BIT(8 + (channel))
561 #define PTP_IO_CAP_CONFIG_RE_CAP_EN_(channel)	BIT(0 + (channel))
562 #define PTP_IO_RE_LTC_SEC_CAP_X			(0x0AC8)
563 #define PTP_IO_RE_LTC_NS_CAP_X			(0x0ACC)
564 #define PTP_IO_FE_LTC_SEC_CAP_X			(0x0AD0)
565 #define PTP_IO_FE_LTC_NS_CAP_X			(0x0AD4)
566 #define PTP_IO_EVENT_OUTPUT_CFG			(0x0AD8)
567 #define PTP_IO_EVENT_OUTPUT_CFG_SEL_(channel)	BIT(16 + (channel))
568 #define PTP_IO_EVENT_OUTPUT_CFG_EN_(channel)	BIT(0 + (channel))
569 #define PTP_IO_PIN_CFG				(0x0ADC)
570 #define PTP_IO_PIN_CFG_OBUF_TYPE_(channel)	BIT(0 + (channel))
571 #define PTP_LTC_RD_SEC_HI			(0x0AF0)
572 #define PTP_LTC_RD_SEC_HI_SEC_47_32_MASK_	GENMASK(15, 0)
573 #define PTP_LTC_RD_SEC_LO			(0x0AF4)
574 #define PTP_LTC_RD_NS				(0x0AF8)
575 #define PTP_LTC_RD_NS_29_0_MASK_		GENMASK(29, 0)
576 #define PTP_LTC_RD_SUBNS			(0x0AFC)
577 #define PTP_RX_USER_MAC_HI			(0x0B00)
578 #define PTP_RX_USER_MAC_HI_47_32_MASK_		GENMASK(15, 0)
579 #define PTP_RX_USER_MAC_LO			(0x0B04)
580 #define PTP_RX_USER_IP_ADDR_0			(0x0B20)
581 #define PTP_RX_USER_IP_ADDR_1			(0x0B24)
582 #define PTP_RX_USER_IP_ADDR_2			(0x0B28)
583 #define PTP_RX_USER_IP_ADDR_3			(0x0B2C)
584 #define PTP_RX_USER_IP_MASK_0			(0x0B30)
585 #define PTP_RX_USER_IP_MASK_1			(0x0B34)
586 #define PTP_RX_USER_IP_MASK_2			(0x0B38)
587 #define PTP_RX_USER_IP_MASK_3			(0x0B3C)
588 #define PTP_TX_USER_MAC_HI			(0x0B40)
589 #define PTP_TX_USER_MAC_HI_47_32_MASK_		GENMASK(15, 0)
590 #define PTP_TX_USER_MAC_LO			(0x0B44)
591 #define PTP_TX_USER_IP_ADDR_0			(0x0B60)
592 #define PTP_TX_USER_IP_ADDR_1			(0x0B64)
593 #define PTP_TX_USER_IP_ADDR_2			(0x0B68)
594 #define PTP_TX_USER_IP_ADDR_3			(0x0B6C)
595 #define PTP_TX_USER_IP_MASK_0			(0x0B70)
596 #define PTP_TX_USER_IP_MASK_1			(0x0B74)
597 #define PTP_TX_USER_IP_MASK_2			(0x0B78)
598 #define PTP_TX_USER_IP_MASK_3			(0x0B7C)
599 
600 #define DMAC_CFG				(0xC00)
601 #define DMAC_CFG_COAL_EN_			BIT(16)
602 #define DMAC_CFG_CH_ARB_SEL_RX_HIGH_		(0x00000000)
603 #define DMAC_CFG_MAX_READ_REQ_MASK_		(0x00000070)
604 #define DMAC_CFG_MAX_READ_REQ_SET_(val)	\
605 	((((u32)(val)) << 4) & DMAC_CFG_MAX_READ_REQ_MASK_)
606 #define DMAC_CFG_MAX_DSPACE_16_			(0x00000000)
607 #define DMAC_CFG_MAX_DSPACE_32_			(0x00000001)
608 #define DMAC_CFG_MAX_DSPACE_64_			BIT(1)
609 #define DMAC_CFG_MAX_DSPACE_128_		(0x00000003)
610 
611 #define DMAC_COAL_CFG				(0xC04)
612 #define DMAC_COAL_CFG_TIMER_LIMIT_MASK_		(0xFFF00000)
613 #define DMAC_COAL_CFG_TIMER_LIMIT_SET_(val)	\
614 	((((u32)(val)) << 20) & DMAC_COAL_CFG_TIMER_LIMIT_MASK_)
615 #define DMAC_COAL_CFG_TIMER_TX_START_		BIT(19)
616 #define DMAC_COAL_CFG_FLUSH_INTS_		BIT(18)
617 #define DMAC_COAL_CFG_INT_EXIT_COAL_		BIT(17)
618 #define DMAC_COAL_CFG_CSR_EXIT_COAL_		BIT(16)
619 #define DMAC_COAL_CFG_TX_THRES_MASK_		(0x0000FF00)
620 #define DMAC_COAL_CFG_TX_THRES_SET_(val)	\
621 	((((u32)(val)) << 8) & DMAC_COAL_CFG_TX_THRES_MASK_)
622 #define DMAC_COAL_CFG_RX_THRES_MASK_		(0x000000FF)
623 #define DMAC_COAL_CFG_RX_THRES_SET_(val)	\
624 	(((u32)(val)) & DMAC_COAL_CFG_RX_THRES_MASK_)
625 
626 #define DMAC_OBFF_CFG				(0xC08)
627 #define DMAC_OBFF_TX_THRES_MASK_		(0x0000FF00)
628 #define DMAC_OBFF_TX_THRES_SET_(val)	\
629 	((((u32)(val)) << 8) & DMAC_OBFF_TX_THRES_MASK_)
630 #define DMAC_OBFF_RX_THRES_MASK_		(0x000000FF)
631 #define DMAC_OBFF_RX_THRES_SET_(val)	\
632 	(((u32)(val)) & DMAC_OBFF_RX_THRES_MASK_)
633 
634 #define DMAC_CMD				(0xC0C)
635 #define DMAC_CMD_SWR_				BIT(31)
636 #define DMAC_CMD_TX_SWR_(channel)		BIT(24 + (channel))
637 #define DMAC_CMD_START_T_(channel)		BIT(20 + (channel))
638 #define DMAC_CMD_STOP_T_(channel)		BIT(16 + (channel))
639 #define DMAC_CMD_RX_SWR_(channel)		BIT(8 + (channel))
640 #define DMAC_CMD_START_R_(channel)		BIT(4 + (channel))
641 #define DMAC_CMD_STOP_R_(channel)		BIT(0 + (channel))
642 
643 #define DMAC_INT_STS				(0xC10)
644 #define DMAC_INT_EN_SET				(0xC14)
645 #define DMAC_INT_EN_CLR				(0xC18)
646 #define DMAC_INT_BIT_RXFRM_(channel)		BIT(16 + (channel))
647 #define DMAC_INT_BIT_TX_IOC_(channel)		BIT(0 + (channel))
648 
649 #define RX_CFG_A(channel)			(0xC40 + ((channel) << 6))
650 #define RX_CFG_A_RX_WB_ON_INT_TMR_		BIT(30)
651 #define RX_CFG_A_RX_WB_THRES_MASK_		(0x1F000000)
652 #define RX_CFG_A_RX_WB_THRES_SET_(val)	\
653 	((((u32)(val)) << 24) & RX_CFG_A_RX_WB_THRES_MASK_)
654 #define RX_CFG_A_RX_PF_THRES_MASK_		(0x001F0000)
655 #define RX_CFG_A_RX_PF_THRES_SET_(val)	\
656 	((((u32)(val)) << 16) & RX_CFG_A_RX_PF_THRES_MASK_)
657 #define RX_CFG_A_RX_PF_PRI_THRES_MASK_		(0x00001F00)
658 #define RX_CFG_A_RX_PF_PRI_THRES_SET_(val)	\
659 	((((u32)(val)) << 8) & RX_CFG_A_RX_PF_PRI_THRES_MASK_)
660 #define RX_CFG_A_RX_HP_WB_EN_			BIT(5)
661 
662 #define RX_CFG_B(channel)			(0xC44 + ((channel) << 6))
663 #define RX_CFG_B_TS_ALL_RX_			BIT(29)
664 #define RX_CFG_B_RX_PAD_MASK_			(0x03000000)
665 #define RX_CFG_B_RX_PAD_0_			(0x00000000)
666 #define RX_CFG_B_RX_PAD_2_			(0x02000000)
667 #define RX_CFG_B_RDMABL_512_			(0x00040000)
668 #define RX_CFG_B_RX_RING_LEN_MASK_		(0x0000FFFF)
669 
670 #define RX_BASE_ADDRH(channel)			(0xC48 + ((channel) << 6))
671 
672 #define RX_BASE_ADDRL(channel)			(0xC4C + ((channel) << 6))
673 
674 #define RX_HEAD_WRITEBACK_ADDRH(channel)	(0xC50 + ((channel) << 6))
675 
676 #define RX_HEAD_WRITEBACK_ADDRL(channel)	(0xC54 + ((channel) << 6))
677 
678 #define RX_HEAD(channel)			(0xC58 + ((channel) << 6))
679 
680 #define RX_TAIL(channel)			(0xC5C + ((channel) << 6))
681 #define RX_TAIL_SET_TOP_INT_EN_			BIT(30)
682 #define RX_TAIL_SET_TOP_INT_VEC_EN_		BIT(29)
683 
684 #define RX_CFG_C(channel)			(0xC64 + ((channel) << 6))
685 #define RX_CFG_C_RX_TOP_INT_EN_AUTO_CLR_	BIT(6)
686 #define RX_CFG_C_RX_INT_EN_R2C_			BIT(4)
687 #define RX_CFG_C_RX_DMA_INT_STS_AUTO_CLR_	BIT(3)
688 #define RX_CFG_C_RX_INT_STS_R2C_MODE_MASK_	(0x00000007)
689 
690 #define TX_CFG_A(channel)			(0xD40 + ((channel) << 6))
691 #define TX_CFG_A_TX_HP_WB_ON_INT_TMR_		BIT(30)
692 #define TX_CFG_A_TX_TMR_HPWB_SEL_IOC_		(0x10000000)
693 #define TX_CFG_A_TX_PF_THRES_MASK_		(0x001F0000)
694 #define TX_CFG_A_TX_PF_THRES_SET_(value)	\
695 	((((u32)(value)) << 16) & TX_CFG_A_TX_PF_THRES_MASK_)
696 #define TX_CFG_A_TX_PF_PRI_THRES_MASK_		(0x00001F00)
697 #define TX_CFG_A_TX_PF_PRI_THRES_SET_(value)	\
698 	((((u32)(value)) << 8) & TX_CFG_A_TX_PF_PRI_THRES_MASK_)
699 #define TX_CFG_A_TX_HP_WB_EN_			BIT(5)
700 #define TX_CFG_A_TX_HP_WB_THRES_MASK_		(0x0000000F)
701 #define TX_CFG_A_TX_HP_WB_THRES_SET_(value)	\
702 	(((u32)(value)) & TX_CFG_A_TX_HP_WB_THRES_MASK_)
703 
704 #define TX_CFG_B(channel)			(0xD44 + ((channel) << 6))
705 #define TX_CFG_B_TDMABL_512_			(0x00040000)
706 #define TX_CFG_B_TX_RING_LEN_MASK_		(0x0000FFFF)
707 
708 #define TX_BASE_ADDRH(channel)			(0xD48 + ((channel) << 6))
709 
710 #define TX_BASE_ADDRL(channel)			(0xD4C + ((channel) << 6))
711 
712 #define TX_HEAD_WRITEBACK_ADDRH(channel)	(0xD50 + ((channel) << 6))
713 
714 #define TX_HEAD_WRITEBACK_ADDRL(channel)	(0xD54 + ((channel) << 6))
715 
716 #define TX_HEAD(channel)			(0xD58 + ((channel) << 6))
717 
718 #define TX_TAIL(channel)			(0xD5C + ((channel) << 6))
719 #define TX_TAIL_SET_DMAC_INT_EN_		BIT(31)
720 #define TX_TAIL_SET_TOP_INT_EN_			BIT(30)
721 #define TX_TAIL_SET_TOP_INT_VEC_EN_		BIT(29)
722 
723 #define TX_CFG_C(channel)			(0xD64 + ((channel) << 6))
724 #define TX_CFG_C_TX_TOP_INT_EN_AUTO_CLR_	BIT(6)
725 #define TX_CFG_C_TX_DMA_INT_EN_AUTO_CLR_	BIT(5)
726 #define TX_CFG_C_TX_INT_EN_R2C_			BIT(4)
727 #define TX_CFG_C_TX_DMA_INT_STS_AUTO_CLR_	BIT(3)
728 #define TX_CFG_C_TX_INT_STS_R2C_MODE_MASK_	(0x00000007)
729 
730 #define OTP_PWR_DN				(0x1000)
731 #define OTP_PWR_DN_PWRDN_N_			BIT(0)
732 
733 #define OTP_ADDR_HIGH				(0x1004)
734 #define OTP_ADDR_LOW				(0x1008)
735 
736 #define OTP_PRGM_DATA				(0x1010)
737 
738 #define OTP_PRGM_MODE				(0x1014)
739 #define OTP_PRGM_MODE_BYTE_			BIT(0)
740 
741 #define OTP_READ_DATA				(0x1018)
742 
743 #define OTP_FUNC_CMD				(0x1020)
744 #define OTP_FUNC_CMD_READ_			BIT(0)
745 
746 #define OTP_TST_CMD				(0x1024)
747 #define OTP_TST_CMD_PRGVRFY_			BIT(3)
748 
749 #define OTP_CMD_GO				(0x1028)
750 #define OTP_CMD_GO_GO_				BIT(0)
751 
752 #define OTP_STATUS				(0x1030)
753 #define OTP_STATUS_BUSY_			BIT(0)
754 
755 /* Hearthstone OTP block registers */
756 #define HS_OTP_BLOCK_BASE			(ETH_SYS_REG_ADDR_BASE + \
757 						 ETH_OTP_REG_ADDR_BASE)
758 #define HS_OTP_PWR_DN				(HS_OTP_BLOCK_BASE + 0x0)
759 #define HS_OTP_ADDR_HIGH			(HS_OTP_BLOCK_BASE + 0x4)
760 #define HS_OTP_ADDR_LOW				(HS_OTP_BLOCK_BASE + 0x8)
761 #define HS_OTP_PRGM_DATA			(HS_OTP_BLOCK_BASE + 0x10)
762 #define HS_OTP_PRGM_MODE			(HS_OTP_BLOCK_BASE + 0x14)
763 #define HS_OTP_READ_DATA			(HS_OTP_BLOCK_BASE + 0x18)
764 #define HS_OTP_FUNC_CMD				(HS_OTP_BLOCK_BASE + 0x20)
765 #define HS_OTP_TST_CMD				(HS_OTP_BLOCK_BASE + 0x24)
766 #define HS_OTP_CMD_GO				(HS_OTP_BLOCK_BASE + 0x28)
767 #define HS_OTP_STATUS				(HS_OTP_BLOCK_BASE + 0x30)
768 
769 /* MAC statistics registers */
770 #define STAT_RX_FCS_ERRORS			(0x1200)
771 #define STAT_RX_ALIGNMENT_ERRORS		(0x1204)
772 #define STAT_RX_FRAGMENT_ERRORS			(0x1208)
773 #define STAT_RX_JABBER_ERRORS			(0x120C)
774 #define STAT_RX_UNDERSIZE_FRAME_ERRORS		(0x1210)
775 #define STAT_RX_OVERSIZE_FRAME_ERRORS		(0x1214)
776 #define STAT_RX_DROPPED_FRAMES			(0x1218)
777 #define STAT_RX_UNICAST_BYTE_COUNT		(0x121C)
778 #define STAT_RX_BROADCAST_BYTE_COUNT		(0x1220)
779 #define STAT_RX_MULTICAST_BYTE_COUNT		(0x1224)
780 #define STAT_RX_UNICAST_FRAMES			(0x1228)
781 #define STAT_RX_BROADCAST_FRAMES		(0x122C)
782 #define STAT_RX_MULTICAST_FRAMES		(0x1230)
783 #define STAT_RX_PAUSE_FRAMES			(0x1234)
784 #define STAT_RX_64_BYTE_FRAMES			(0x1238)
785 #define STAT_RX_65_127_BYTE_FRAMES		(0x123C)
786 #define STAT_RX_128_255_BYTE_FRAMES		(0x1240)
787 #define STAT_RX_256_511_BYTES_FRAMES		(0x1244)
788 #define STAT_RX_512_1023_BYTE_FRAMES		(0x1248)
789 #define STAT_RX_1024_1518_BYTE_FRAMES		(0x124C)
790 #define STAT_RX_GREATER_1518_BYTE_FRAMES	(0x1250)
791 #define STAT_RX_TOTAL_FRAMES			(0x1254)
792 #define STAT_EEE_RX_LPI_TRANSITIONS		(0x1258)
793 #define STAT_EEE_RX_LPI_TIME			(0x125C)
794 #define STAT_RX_COUNTER_ROLLOVER_STATUS		(0x127C)
795 
796 #define STAT_TX_FCS_ERRORS			(0x1280)
797 #define STAT_TX_EXCESS_DEFERRAL_ERRORS		(0x1284)
798 #define STAT_TX_CARRIER_ERRORS			(0x1288)
799 #define STAT_TX_BAD_BYTE_COUNT			(0x128C)
800 #define STAT_TX_SINGLE_COLLISIONS		(0x1290)
801 #define STAT_TX_MULTIPLE_COLLISIONS		(0x1294)
802 #define STAT_TX_EXCESSIVE_COLLISION		(0x1298)
803 #define STAT_TX_LATE_COLLISIONS			(0x129C)
804 #define STAT_TX_UNICAST_BYTE_COUNT		(0x12A0)
805 #define STAT_TX_BROADCAST_BYTE_COUNT		(0x12A4)
806 #define STAT_TX_MULTICAST_BYTE_COUNT		(0x12A8)
807 #define STAT_TX_UNICAST_FRAMES			(0x12AC)
808 #define STAT_TX_BROADCAST_FRAMES		(0x12B0)
809 #define STAT_TX_MULTICAST_FRAMES		(0x12B4)
810 #define STAT_TX_PAUSE_FRAMES			(0x12B8)
811 #define STAT_TX_64_BYTE_FRAMES			(0x12BC)
812 #define STAT_TX_65_127_BYTE_FRAMES		(0x12C0)
813 #define STAT_TX_128_255_BYTE_FRAMES		(0x12C4)
814 #define STAT_TX_256_511_BYTES_FRAMES		(0x12C8)
815 #define STAT_TX_512_1023_BYTE_FRAMES		(0x12CC)
816 #define STAT_TX_1024_1518_BYTE_FRAMES		(0x12D0)
817 #define STAT_TX_GREATER_1518_BYTE_FRAMES	(0x12D4)
818 #define STAT_TX_TOTAL_FRAMES			(0x12D8)
819 #define STAT_EEE_TX_LPI_TRANSITIONS		(0x12DC)
820 #define STAT_EEE_TX_LPI_TIME			(0x12E0)
821 #define STAT_TX_COUNTER_ROLLOVER_STATUS		(0x12FC)
822 
823 /* End of Register definitions */
824 
825 #define LAN743X_MAX_RX_CHANNELS		(4)
826 #define LAN743X_MAX_TX_CHANNELS		(1)
827 #define PCI11X1X_MAX_TX_CHANNELS	(4)
828 struct lan743x_adapter;
829 
830 #define LAN743X_USED_RX_CHANNELS	(4)
831 #define LAN743X_USED_TX_CHANNELS	(1)
832 #define PCI11X1X_USED_TX_CHANNELS	(4)
833 #define LAN743X_INT_MOD	(400)
834 
835 #if (LAN743X_USED_RX_CHANNELS > LAN743X_MAX_RX_CHANNELS)
836 #error Invalid LAN743X_USED_RX_CHANNELS
837 #endif
838 #if (LAN743X_USED_TX_CHANNELS > LAN743X_MAX_TX_CHANNELS)
839 #error Invalid LAN743X_USED_TX_CHANNELS
840 #endif
841 #if (PCI11X1X_USED_TX_CHANNELS > PCI11X1X_MAX_TX_CHANNELS)
842 #error Invalid PCI11X1X_USED_TX_CHANNELS
843 #endif
844 
845 /* PCI */
846 /* SMSC acquired EFAR late 1990's, MCHP acquired SMSC 2012 */
847 #define PCI_VENDOR_ID_SMSC		PCI_VENDOR_ID_EFAR
848 #define PCI_DEVICE_ID_SMSC_LAN7430	(0x7430)
849 #define PCI_DEVICE_ID_SMSC_LAN7431	(0x7431)
850 #define PCI_DEVICE_ID_SMSC_A011		(0xA011)
851 #define PCI_DEVICE_ID_SMSC_A041		(0xA041)
852 
853 #define PCI_CONFIG_LENGTH		(0x1000)
854 
855 /* CSR */
856 #define CSR_LENGTH					(0x2000)
857 
858 #define LAN743X_CSR_FLAG_IS_A0				BIT(0)
859 #define LAN743X_CSR_FLAG_IS_B0				BIT(1)
860 #define LAN743X_CSR_FLAG_SUPPORTS_INTR_AUTO_SET_CLR	BIT(8)
861 
862 struct lan743x_csr {
863 	u32 flags;
864 	u8 __iomem *csr_address;
865 	u32 id_rev;
866 	u32 fpga_rev;
867 };
868 
869 /* INTERRUPTS */
870 typedef void(*lan743x_vector_handler)(void *context, u32 int_sts, u32 flags);
871 
872 #define LAN743X_VECTOR_FLAG_IRQ_SHARED			BIT(0)
873 #define LAN743X_VECTOR_FLAG_SOURCE_STATUS_READ		BIT(1)
874 #define LAN743X_VECTOR_FLAG_SOURCE_STATUS_R2C		BIT(2)
875 #define LAN743X_VECTOR_FLAG_SOURCE_STATUS_W2C		BIT(3)
876 #define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_CHECK		BIT(4)
877 #define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_CLEAR		BIT(5)
878 #define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_R2C		BIT(6)
879 #define LAN743X_VECTOR_FLAG_MASTER_ENABLE_CLEAR		BIT(7)
880 #define LAN743X_VECTOR_FLAG_MASTER_ENABLE_SET		BIT(8)
881 #define LAN743X_VECTOR_FLAG_VECTOR_ENABLE_ISR_CLEAR	BIT(9)
882 #define LAN743X_VECTOR_FLAG_VECTOR_ENABLE_ISR_SET	BIT(10)
883 #define LAN743X_VECTOR_FLAG_VECTOR_ENABLE_AUTO_CLEAR	BIT(11)
884 #define LAN743X_VECTOR_FLAG_VECTOR_ENABLE_AUTO_SET	BIT(12)
885 #define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_AUTO_CLEAR	BIT(13)
886 #define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_AUTO_SET	BIT(14)
887 #define LAN743X_VECTOR_FLAG_SOURCE_STATUS_AUTO_CLEAR	BIT(15)
888 
889 struct lan743x_vector {
890 	int			irq;
891 	u32			flags;
892 	struct lan743x_adapter	*adapter;
893 	int			vector_index;
894 	u32			int_mask;
895 	lan743x_vector_handler	handler;
896 	void			*context;
897 };
898 
899 #define LAN743X_MAX_VECTOR_COUNT	(8)
900 #define PCI11X1X_MAX_VECTOR_COUNT	(16)
901 
902 struct lan743x_intr {
903 	int			flags;
904 
905 	unsigned int		irq;
906 
907 	struct lan743x_vector	vector_list[PCI11X1X_MAX_VECTOR_COUNT];
908 	int			number_of_vectors;
909 	bool			using_vectors;
910 
911 	bool			software_isr_flag;
912 	wait_queue_head_t	software_isr_wq;
913 };
914 
915 #define LAN743X_MAX_FRAME_SIZE			(9 * 1024)
916 
917 /* PHY */
918 struct lan743x_phy {
919 	bool	fc_autoneg;
920 	u8	fc_request_control;
921 };
922 
923 /* TX */
924 struct lan743x_tx_descriptor;
925 struct lan743x_tx_buffer_info;
926 
927 #define GPIO_QUEUE_STARTED		(0)
928 #define GPIO_TX_FUNCTION		(1)
929 #define GPIO_TX_COMPLETION		(2)
930 #define GPIO_TX_FRAGMENT		(3)
931 
932 #define TX_FRAME_FLAG_IN_PROGRESS	BIT(0)
933 
934 #define TX_TS_FLAG_TIMESTAMPING_ENABLED	BIT(0)
935 #define TX_TS_FLAG_ONE_STEP_SYNC	BIT(1)
936 
937 struct lan743x_tx {
938 	struct lan743x_adapter *adapter;
939 	u32	ts_flags;
940 	u32	vector_flags;
941 	int	channel_number;
942 
943 	int	ring_size;
944 	size_t	ring_allocation_size;
945 	struct lan743x_tx_descriptor *ring_cpu_ptr;
946 	dma_addr_t ring_dma_ptr;
947 	/* ring_lock: used to prevent concurrent access to tx ring */
948 	spinlock_t ring_lock;
949 	u32		frame_flags;
950 	u32		frame_first;
951 	u32		frame_data0;
952 	u32		frame_tail;
953 
954 	struct lan743x_tx_buffer_info *buffer_info;
955 
956 	__le32		*head_cpu_ptr;
957 	dma_addr_t	head_dma_ptr;
958 	int		last_head;
959 	int		last_tail;
960 
961 	struct napi_struct napi;
962 	u32 frame_count;
963 	u32 rqd_descriptors;
964 };
965 
966 void lan743x_tx_set_timestamping_mode(struct lan743x_tx *tx,
967 				      bool enable_timestamping,
968 				      bool enable_onestep_sync);
969 
970 /* RX */
971 struct lan743x_rx_descriptor;
972 struct lan743x_rx_buffer_info;
973 
974 struct lan743x_rx {
975 	struct lan743x_adapter *adapter;
976 	u32	vector_flags;
977 	int	channel_number;
978 
979 	int	ring_size;
980 	size_t	ring_allocation_size;
981 	struct lan743x_rx_descriptor *ring_cpu_ptr;
982 	dma_addr_t ring_dma_ptr;
983 
984 	struct lan743x_rx_buffer_info *buffer_info;
985 
986 	__le32		*head_cpu_ptr;
987 	dma_addr_t	head_dma_ptr;
988 	u32		last_head;
989 	u32		last_tail;
990 
991 	struct napi_struct napi;
992 
993 	u32		frame_count;
994 
995 	struct sk_buff *skb_head, *skb_tail;
996 };
997 
998 /* SGMII Link Speed Duplex status */
999 enum lan743x_sgmii_lsd {
1000 	POWER_DOWN = 0,
1001 	LINK_DOWN,
1002 	ANEG_BUSY,
1003 	LINK_10HD,
1004 	LINK_10FD,
1005 	LINK_100HD,
1006 	LINK_100FD,
1007 	LINK_1000_MASTER,
1008 	LINK_1000_SLAVE,
1009 	LINK_2500_MASTER,
1010 	LINK_2500_SLAVE
1011 };
1012 
1013 struct lan743x_adapter {
1014 	struct net_device       *netdev;
1015 	struct mii_bus		*mdiobus;
1016 	int                     msg_enable;
1017 #ifdef CONFIG_PM
1018 	u32			wolopts;
1019 	u8			sopass[SOPASS_MAX];
1020 #endif
1021 	struct pci_dev		*pdev;
1022 	struct lan743x_csr      csr;
1023 	struct lan743x_intr     intr;
1024 
1025 	struct lan743x_gpio	gpio;
1026 	struct lan743x_ptp	ptp;
1027 
1028 	u8			mac_address[ETH_ALEN];
1029 
1030 	struct lan743x_phy      phy;
1031 	struct lan743x_tx       tx[PCI11X1X_USED_TX_CHANNELS];
1032 	struct lan743x_rx       rx[LAN743X_USED_RX_CHANNELS];
1033 	bool			is_pci11x1x;
1034 	bool			is_sgmii_en;
1035 	/* protect ethernet syslock */
1036 	spinlock_t		eth_syslock_spinlock;
1037 	bool			eth_syslock_en;
1038 	u32			eth_syslock_acquire_cnt;
1039 	struct mutex		sgmii_rw_lock;
1040 	/* SGMII Link Speed & Duplex status */
1041 	enum			lan743x_sgmii_lsd sgmii_lsd;
1042 	u8			max_tx_channels;
1043 	u8			used_tx_channels;
1044 	u8			max_vector_count;
1045 
1046 #define LAN743X_ADAPTER_FLAG_OTP		BIT(0)
1047 	u32			flags;
1048 	u32			hw_cfg;
1049 	phy_interface_t		phy_interface;
1050 };
1051 
1052 #define LAN743X_COMPONENT_FLAG_RX(channel)  BIT(20 + (channel))
1053 
1054 #define INTR_FLAG_IRQ_REQUESTED(vector_index)	BIT(0 + vector_index)
1055 #define INTR_FLAG_MSI_ENABLED			BIT(8)
1056 #define INTR_FLAG_MSIX_ENABLED			BIT(9)
1057 
1058 #define MAC_MII_READ            1
1059 #define MAC_MII_WRITE           0
1060 
1061 #define PHY_FLAG_OPENED     BIT(0)
1062 #define PHY_FLAG_ATTACHED   BIT(1)
1063 
1064 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
1065 #define DMA_ADDR_HIGH32(dma_addr)   ((u32)(((dma_addr) >> 32) & 0xFFFFFFFF))
1066 #else
1067 #define DMA_ADDR_HIGH32(dma_addr)   ((u32)(0))
1068 #endif
1069 #define DMA_ADDR_LOW32(dma_addr) ((u32)((dma_addr) & 0xFFFFFFFF))
1070 #define DMA_DESCRIPTOR_SPACING_16       (16)
1071 #define DMA_DESCRIPTOR_SPACING_32       (32)
1072 #define DMA_DESCRIPTOR_SPACING_64       (64)
1073 #define DMA_DESCRIPTOR_SPACING_128      (128)
1074 #define DEFAULT_DMA_DESCRIPTOR_SPACING  (L1_CACHE_BYTES)
1075 
1076 #define DMAC_CHANNEL_STATE_SET(start_bit, stop_bit) \
1077 	(((start_bit) ? 2 : 0) | ((stop_bit) ? 1 : 0))
1078 #define DMAC_CHANNEL_STATE_INITIAL      DMAC_CHANNEL_STATE_SET(0, 0)
1079 #define DMAC_CHANNEL_STATE_STARTED      DMAC_CHANNEL_STATE_SET(1, 0)
1080 #define DMAC_CHANNEL_STATE_STOP_PENDING DMAC_CHANNEL_STATE_SET(1, 1)
1081 #define DMAC_CHANNEL_STATE_STOPPED      DMAC_CHANNEL_STATE_SET(0, 1)
1082 
1083 /* TX Descriptor bits */
1084 #define TX_DESC_DATA0_DTYPE_MASK_		(0xC0000000)
1085 #define TX_DESC_DATA0_DTYPE_DATA_		(0x00000000)
1086 #define TX_DESC_DATA0_DTYPE_EXT_		(0x40000000)
1087 #define TX_DESC_DATA0_FS_			(0x20000000)
1088 #define TX_DESC_DATA0_LS_			(0x10000000)
1089 #define TX_DESC_DATA0_EXT_			(0x08000000)
1090 #define TX_DESC_DATA0_IOC_			(0x04000000)
1091 #define TX_DESC_DATA0_ICE_			(0x00400000)
1092 #define TX_DESC_DATA0_IPE_			(0x00200000)
1093 #define TX_DESC_DATA0_TPE_			(0x00100000)
1094 #define TX_DESC_DATA0_FCS_			(0x00020000)
1095 #define TX_DESC_DATA0_TSE_			(0x00010000)
1096 #define TX_DESC_DATA0_BUF_LENGTH_MASK_		(0x0000FFFF)
1097 #define TX_DESC_DATA0_EXT_LSO_			(0x00200000)
1098 #define TX_DESC_DATA0_EXT_PAY_LENGTH_MASK_	(0x000FFFFF)
1099 #define TX_DESC_DATA3_FRAME_LENGTH_MSS_MASK_	(0x3FFF0000)
1100 
1101 struct lan743x_tx_descriptor {
1102 	__le32     data0;
1103 	__le32     data1;
1104 	__le32     data2;
1105 	__le32     data3;
1106 } __aligned(DEFAULT_DMA_DESCRIPTOR_SPACING);
1107 
1108 #define TX_BUFFER_INFO_FLAG_ACTIVE		BIT(0)
1109 #define TX_BUFFER_INFO_FLAG_TIMESTAMP_REQUESTED	BIT(1)
1110 #define TX_BUFFER_INFO_FLAG_IGNORE_SYNC		BIT(2)
1111 #define TX_BUFFER_INFO_FLAG_SKB_FRAGMENT	BIT(3)
1112 struct lan743x_tx_buffer_info {
1113 	int flags;
1114 	struct sk_buff *skb;
1115 	dma_addr_t      dma_ptr;
1116 	unsigned int    buffer_length;
1117 };
1118 
1119 #define LAN743X_TX_RING_SIZE    (128)
1120 
1121 /* OWN bit is set. ie, Descs are owned by RX DMAC */
1122 #define RX_DESC_DATA0_OWN_                (0x00008000)
1123 /* OWN bit is clear. ie, Descs are owned by host */
1124 #define RX_DESC_DATA0_FS_                 (0x80000000)
1125 #define RX_DESC_DATA0_LS_                 (0x40000000)
1126 #define RX_DESC_DATA0_FRAME_LENGTH_MASK_  (0x3FFF0000)
1127 #define RX_DESC_DATA0_FRAME_LENGTH_GET_(data0)	\
1128 	(((data0) & RX_DESC_DATA0_FRAME_LENGTH_MASK_) >> 16)
1129 #define RX_DESC_DATA0_EXT_                (0x00004000)
1130 #define RX_DESC_DATA0_BUF_LENGTH_MASK_    (0x00003FFF)
1131 #define RX_DESC_DATA1_STATUS_ICE_         (0x00020000)
1132 #define RX_DESC_DATA1_STATUS_TCE_         (0x00010000)
1133 #define RX_DESC_DATA1_STATUS_ICSM_        (0x00000001)
1134 #define RX_DESC_DATA2_TS_NS_MASK_         (0x3FFFFFFF)
1135 
1136 #if ((NET_IP_ALIGN != 0) && (NET_IP_ALIGN != 2))
1137 #error NET_IP_ALIGN must be 0 or 2
1138 #endif
1139 
1140 #define RX_HEAD_PADDING		NET_IP_ALIGN
1141 
1142 struct lan743x_rx_descriptor {
1143 	__le32     data0;
1144 	__le32     data1;
1145 	__le32     data2;
1146 	__le32     data3;
1147 } __aligned(DEFAULT_DMA_DESCRIPTOR_SPACING);
1148 
1149 #define RX_BUFFER_INFO_FLAG_ACTIVE      BIT(0)
1150 struct lan743x_rx_buffer_info {
1151 	int flags;
1152 	struct sk_buff *skb;
1153 
1154 	dma_addr_t      dma_ptr;
1155 	unsigned int    buffer_length;
1156 };
1157 
1158 #define LAN743X_RX_RING_SIZE        (128)
1159 
1160 #define RX_PROCESS_RESULT_NOTHING_TO_DO     (0)
1161 #define RX_PROCESS_RESULT_BUFFER_RECEIVED   (1)
1162 
1163 u32 lan743x_csr_read(struct lan743x_adapter *adapter, int offset);
1164 void lan743x_csr_write(struct lan743x_adapter *adapter, int offset, u32 data);
1165 int lan743x_hs_syslock_acquire(struct lan743x_adapter *adapter, u16 timeout);
1166 void lan743x_hs_syslock_release(struct lan743x_adapter *adapter);
1167 void lan743x_mac_flow_ctrl_set_enables(struct lan743x_adapter *adapter,
1168 				       bool tx_enable, bool rx_enable);
1169 int lan743x_sgmii_read(struct lan743x_adapter *adapter, u8 mmd, u16 addr);
1170 
1171 #endif /* _LAN743X_H */
1172