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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /***************************************************************************
3  *
4  * Copyright (C) 2004-2008 SMSC
5  * Copyright (C) 2005-2008 ARM
6  *
7  ***************************************************************************/
8 #ifndef __SMSC911X_H__
9 #define __SMSC911X_H__
10 
11 /*Chip ID*/
12 #define LAN9115	0x01150000
13 #define LAN9116	0x01160000
14 #define LAN9117	0x01170000
15 #define LAN9118	0x01180000
16 #define LAN9215	0x115A0000
17 #define LAN9216	0x116A0000
18 #define LAN9217	0x117A0000
19 #define LAN9218	0x118A0000
20 #define LAN9210	0x92100000
21 #define LAN9211	0x92110000
22 #define LAN9220	0x92200000
23 #define LAN9221	0x92210000
24 #define LAN9250	0x92500000
25 #define LAN89218	0x218A0000
26 
27 #define TX_FIFO_LOW_THRESHOLD	((u32)1600)
28 #define SMSC911X_EEPROM_SIZE	((u32)128)
29 #define USE_DEBUG		0
30 
31 /* This is the maximum number of packets to be received every
32  * NAPI poll */
33 #define SMSC_NAPI_WEIGHT	16
34 
35 /* implements a PHY loopback test at initialisation time, to ensure a packet
36  * can be successfully looped back */
37 #define USE_PHY_WORK_AROUND
38 
39 #if USE_DEBUG >= 1
40 #define SMSC_WARN(pdata, nlevel, fmt, args...)			\
41 	netif_warn(pdata, nlevel, (pdata)->dev,			\
42 		   "%s: " fmt "\n", __func__, ##args)
43 #else
44 #define SMSC_WARN(pdata, nlevel, fmt, args...)			\
45 	no_printk(fmt "\n", ##args)
46 #endif
47 
48 #if USE_DEBUG >= 2
49 #define SMSC_TRACE(pdata, nlevel, fmt, args...)			\
50 	netif_info(pdata, nlevel, pdata->dev, fmt "\n", ##args)
51 #else
52 #define SMSC_TRACE(pdata, nlevel, fmt, args...)			\
53 	no_printk(fmt "\n", ##args)
54 #endif
55 
56 #ifdef CONFIG_DEBUG_SPINLOCK
57 #define SMSC_ASSERT_MAC_LOCK(pdata) \
58 		lockdep_assert_held(&pdata->mac_lock)
59 #else
60 #define SMSC_ASSERT_MAC_LOCK(pdata) do {} while (0)
61 #endif				/* CONFIG_DEBUG_SPINLOCK */
62 
63 /* SMSC911x registers and bitfields */
64 #define RX_DATA_FIFO			0x00
65 
66 #define TX_DATA_FIFO			0x20
67 #define TX_CMD_A_ON_COMP_		0x80000000
68 #define TX_CMD_A_BUF_END_ALGN_		0x03000000
69 #define TX_CMD_A_4_BYTE_ALGN_		0x00000000
70 #define TX_CMD_A_16_BYTE_ALGN_		0x01000000
71 #define TX_CMD_A_32_BYTE_ALGN_		0x02000000
72 #define TX_CMD_A_DATA_OFFSET_		0x001F0000
73 #define TX_CMD_A_FIRST_SEG_		0x00002000
74 #define TX_CMD_A_LAST_SEG_		0x00001000
75 #define TX_CMD_A_BUF_SIZE_		0x000007FF
76 #define TX_CMD_B_PKT_TAG_		0xFFFF0000
77 #define TX_CMD_B_ADD_CRC_DISABLE_	0x00002000
78 #define TX_CMD_B_DISABLE_PADDING_	0x00001000
79 #define TX_CMD_B_PKT_BYTE_LENGTH_	0x000007FF
80 
81 #define RX_STATUS_FIFO			0x40
82 #define RX_STS_ES_			0x00008000
83 #define RX_STS_LENGTH_ERR_		0x00001000
84 #define RX_STS_MCAST_			0x00000400
85 #define RX_STS_FRAME_TYPE_		0x00000020
86 #define RX_STS_CRC_ERR_			0x00000002
87 
88 #define RX_STATUS_FIFO_PEEK		0x44
89 
90 #define TX_STATUS_FIFO			0x48
91 #define TX_STS_ES_			0x00008000
92 #define TX_STS_LOST_CARRIER_		0x00000800
93 #define TX_STS_NO_CARRIER_		0x00000400
94 #define TX_STS_LATE_COL_		0x00000200
95 #define TX_STS_EXCESS_COL_		0x00000100
96 
97 #define TX_STATUS_FIFO_PEEK		0x4C
98 
99 #define ID_REV				0x50
100 #define ID_REV_CHIP_ID_			0xFFFF0000
101 #define ID_REV_REV_ID_			0x0000FFFF
102 
103 #define INT_CFG				0x54
104 #define INT_CFG_INT_DEAS_		0xFF000000
105 #define INT_CFG_INT_DEAS_CLR_		0x00004000
106 #define INT_CFG_INT_DEAS_STS_		0x00002000
107 #define INT_CFG_IRQ_INT_		0x00001000
108 #define INT_CFG_IRQ_EN_			0x00000100
109 #define INT_CFG_IRQ_POL_		0x00000010
110 #define INT_CFG_IRQ_TYPE_		0x00000001
111 
112 #define INT_STS				0x58
113 #define INT_STS_SW_INT_			0x80000000
114 #define INT_STS_TXSTOP_INT_		0x02000000
115 #define INT_STS_RXSTOP_INT_		0x01000000
116 #define INT_STS_RXDFH_INT_		0x00800000
117 #define INT_STS_RXDF_INT_		0x00400000
118 #define INT_STS_TX_IOC_			0x00200000
119 #define INT_STS_RXD_INT_		0x00100000
120 #define INT_STS_GPT_INT_		0x00080000
121 #define INT_STS_PHY_INT_		0x00040000
122 #define INT_STS_PME_INT_		0x00020000
123 #define INT_STS_TXSO_			0x00010000
124 #define INT_STS_RWT_			0x00008000
125 #define INT_STS_RXE_			0x00004000
126 #define INT_STS_TXE_			0x00002000
127 #define INT_STS_TDFU_			0x00000800
128 #define INT_STS_TDFO_			0x00000400
129 #define INT_STS_TDFA_			0x00000200
130 #define INT_STS_TSFF_			0x00000100
131 #define INT_STS_TSFL_			0x00000080
132 #define INT_STS_RXDF_			0x00000040
133 #define INT_STS_RDFL_			0x00000020
134 #define INT_STS_RSFF_			0x00000010
135 #define INT_STS_RSFL_			0x00000008
136 #define INT_STS_GPIO2_INT_		0x00000004
137 #define INT_STS_GPIO1_INT_		0x00000002
138 #define INT_STS_GPIO0_INT_		0x00000001
139 
140 #define INT_EN				0x5C
141 #define INT_EN_SW_INT_EN_		0x80000000
142 #define INT_EN_TXSTOP_INT_EN_		0x02000000
143 #define INT_EN_RXSTOP_INT_EN_		0x01000000
144 #define INT_EN_RXDFH_INT_EN_		0x00800000
145 #define INT_EN_TIOC_INT_EN_		0x00200000
146 #define INT_EN_RXD_INT_EN_		0x00100000
147 #define INT_EN_GPT_INT_EN_		0x00080000
148 #define INT_EN_PHY_INT_EN_		0x00040000
149 #define INT_EN_PME_INT_EN_		0x00020000
150 #define INT_EN_TXSO_EN_			0x00010000
151 #define INT_EN_RWT_EN_			0x00008000
152 #define INT_EN_RXE_EN_			0x00004000
153 #define INT_EN_TXE_EN_			0x00002000
154 #define INT_EN_TDFU_EN_			0x00000800
155 #define INT_EN_TDFO_EN_			0x00000400
156 #define INT_EN_TDFA_EN_			0x00000200
157 #define INT_EN_TSFF_EN_			0x00000100
158 #define INT_EN_TSFL_EN_			0x00000080
159 #define INT_EN_RXDF_EN_			0x00000040
160 #define INT_EN_RDFL_EN_			0x00000020
161 #define INT_EN_RSFF_EN_			0x00000010
162 #define INT_EN_RSFL_EN_			0x00000008
163 #define INT_EN_GPIO2_INT_		0x00000004
164 #define INT_EN_GPIO1_INT_		0x00000002
165 #define INT_EN_GPIO0_INT_		0x00000001
166 
167 #define BYTE_TEST			0x64
168 
169 #define FIFO_INT			0x68
170 #define FIFO_INT_TX_AVAIL_LEVEL_	0xFF000000
171 #define FIFO_INT_TX_STS_LEVEL_		0x00FF0000
172 #define FIFO_INT_RX_AVAIL_LEVEL_	0x0000FF00
173 #define FIFO_INT_RX_STS_LEVEL_		0x000000FF
174 
175 #define RX_CFG				0x6C
176 #define RX_CFG_RX_END_ALGN_		0xC0000000
177 #define RX_CFG_RX_END_ALGN4_		0x00000000
178 #define RX_CFG_RX_END_ALGN16_		0x40000000
179 #define RX_CFG_RX_END_ALGN32_		0x80000000
180 #define RX_CFG_RX_DMA_CNT_		0x0FFF0000
181 #define RX_CFG_RX_DUMP_			0x00008000
182 #define RX_CFG_RXDOFF_			0x00001F00
183 
184 #define TX_CFG				0x70
185 #define TX_CFG_TXS_DUMP_		0x00008000
186 #define TX_CFG_TXD_DUMP_		0x00004000
187 #define TX_CFG_TXSAO_			0x00000004
188 #define TX_CFG_TX_ON_			0x00000002
189 #define TX_CFG_STOP_TX_			0x00000001
190 
191 #define HW_CFG				0x74
192 #define HW_CFG_TTM_			0x00200000
193 #define HW_CFG_SF_			0x00100000
194 #define HW_CFG_TX_FIF_SZ_		0x000F0000
195 #define HW_CFG_TR_			0x00003000
196 #define HW_CFG_SRST_			0x00000001
197 
198 /* only available on 115/117 */
199 #define HW_CFG_PHY_CLK_SEL_		0x00000060
200 #define HW_CFG_PHY_CLK_SEL_INT_PHY_	0x00000000
201 #define HW_CFG_PHY_CLK_SEL_EXT_PHY_	0x00000020
202 #define HW_CFG_PHY_CLK_SEL_CLK_DIS_	0x00000040
203 #define HW_CFG_SMI_SEL_		 	0x00000010
204 #define HW_CFG_EXT_PHY_DET_		0x00000008
205 #define HW_CFG_EXT_PHY_EN_		0x00000004
206 #define HW_CFG_SRST_TO_			0x00000002
207 
208 /* only available  on 116/118 */
209 #define HW_CFG_32_16_BIT_MODE_		0x00000004
210 
211 #define RX_DP_CTRL			0x78
212 #define RX_DP_CTRL_RX_FFWD_		0x80000000
213 
214 #define RX_FIFO_INF			0x7C
215 #define RX_FIFO_INF_RXSUSED_		0x00FF0000
216 #define RX_FIFO_INF_RXDUSED_		0x0000FFFF
217 
218 #define TX_FIFO_INF			0x80
219 #define TX_FIFO_INF_TSUSED_		0x00FF0000
220 #define TX_FIFO_INF_TDFREE_		0x0000FFFF
221 
222 #define PMT_CTRL			0x84
223 #define PMT_CTRL_PM_MODE_		0x00003000
224 #define PMT_CTRL_PM_MODE_D0_		0x00000000
225 #define PMT_CTRL_PM_MODE_D1_		0x00001000
226 #define PMT_CTRL_PM_MODE_D2_		0x00002000
227 #define PMT_CTRL_PM_MODE_D3_		0x00003000
228 #define PMT_CTRL_PHY_RST_		0x00000400
229 #define PMT_CTRL_WOL_EN_		0x00000200
230 #define PMT_CTRL_ED_EN_			0x00000100
231 #define PMT_CTRL_PME_TYPE_		0x00000040
232 #define PMT_CTRL_WUPS_			0x00000030
233 #define PMT_CTRL_WUPS_NOWAKE_		0x00000000
234 #define PMT_CTRL_WUPS_ED_		0x00000010
235 #define PMT_CTRL_WUPS_WOL_		0x00000020
236 #define PMT_CTRL_WUPS_MULTI_		0x00000030
237 #define PMT_CTRL_PME_IND_		0x00000008
238 #define PMT_CTRL_PME_POL_		0x00000004
239 #define PMT_CTRL_PME_EN_		0x00000002
240 #define PMT_CTRL_READY_			0x00000001
241 
242 #define GPIO_CFG			0x88
243 #define GPIO_CFG_LED3_EN_		0x40000000
244 #define GPIO_CFG_LED2_EN_		0x20000000
245 #define GPIO_CFG_LED1_EN_		0x10000000
246 #define GPIO_CFG_GPIO2_INT_POL_		0x04000000
247 #define GPIO_CFG_GPIO1_INT_POL_		0x02000000
248 #define GPIO_CFG_GPIO0_INT_POL_		0x01000000
249 #define GPIO_CFG_EEPR_EN_		0x00700000
250 #define GPIO_CFG_GPIOBUF2_		0x00040000
251 #define GPIO_CFG_GPIOBUF1_		0x00020000
252 #define GPIO_CFG_GPIOBUF0_		0x00010000
253 #define GPIO_CFG_GPIODIR2_		0x00000400
254 #define GPIO_CFG_GPIODIR1_		0x00000200
255 #define GPIO_CFG_GPIODIR0_		0x00000100
256 #define GPIO_CFG_GPIOD4_		0x00000020
257 #define GPIO_CFG_GPIOD3_		0x00000010
258 #define GPIO_CFG_GPIOD2_		0x00000004
259 #define GPIO_CFG_GPIOD1_		0x00000002
260 #define GPIO_CFG_GPIOD0_		0x00000001
261 
262 #define GPT_CFG				0x8C
263 #define GPT_CFG_TIMER_EN_		0x20000000
264 #define GPT_CFG_GPT_LOAD_		0x0000FFFF
265 
266 #define GPT_CNT				0x90
267 #define GPT_CNT_GPT_CNT_		0x0000FFFF
268 
269 #define WORD_SWAP			0x98
270 
271 #define FREE_RUN			0x9C
272 
273 #define RX_DROP				0xA0
274 
275 #define MAC_CSR_CMD			0xA4
276 #define MAC_CSR_CMD_CSR_BUSY_		0x80000000
277 #define MAC_CSR_CMD_R_NOT_W_		0x40000000
278 #define MAC_CSR_CMD_CSR_ADDR_		0x000000FF
279 
280 #define MAC_CSR_DATA			0xA8
281 
282 #define AFC_CFG				0xAC
283 #define AFC_CFG_AFC_HI_			0x00FF0000
284 #define AFC_CFG_AFC_LO_			0x0000FF00
285 #define AFC_CFG_BACK_DUR_		0x000000F0
286 #define AFC_CFG_FCMULT_			0x00000008
287 #define AFC_CFG_FCBRD_			0x00000004
288 #define AFC_CFG_FCADD_			0x00000002
289 #define AFC_CFG_FCANY_			0x00000001
290 
291 #define E2P_CMD				0xB0
292 #define E2P_CMD_EPC_BUSY_		0x80000000
293 #define E2P_CMD_EPC_CMD_		0x70000000
294 #define E2P_CMD_EPC_CMD_READ_		0x00000000
295 #define E2P_CMD_EPC_CMD_EWDS_		0x10000000
296 #define E2P_CMD_EPC_CMD_EWEN_		0x20000000
297 #define E2P_CMD_EPC_CMD_WRITE_		0x30000000
298 #define E2P_CMD_EPC_CMD_WRAL_		0x40000000
299 #define E2P_CMD_EPC_CMD_ERASE_		0x50000000
300 #define E2P_CMD_EPC_CMD_ERAL_		0x60000000
301 #define E2P_CMD_EPC_CMD_RELOAD_		0x70000000
302 #define E2P_CMD_EPC_TIMEOUT_		0x00000200
303 #define E2P_CMD_MAC_ADDR_LOADED_	0x00000100
304 #define E2P_CMD_EPC_ADDR_		0x000000FF
305 
306 #define E2P_DATA			0xB4
307 #define E2P_DATA_EEPROM_DATA_		0x000000FF
308 #define LAN_REGISTER_EXTENT		0x00000100
309 
310 #define RESET_CTL			0x1F8
311 #define RESET_CTL_DIGITAL_RST_		0x00000001
312 
313 /*
314  * MAC Control and Status Register (Indirect Address)
315  * Offset (through the MAC_CSR CMD and DATA port)
316  */
317 #define MAC_CR				0x01
318 #define MAC_CR_RXALL_			0x80000000
319 #define MAC_CR_HBDIS_			0x10000000
320 #define MAC_CR_RCVOWN_			0x00800000
321 #define MAC_CR_LOOPBK_			0x00200000
322 #define MAC_CR_FDPX_			0x00100000
323 #define MAC_CR_MCPAS_			0x00080000
324 #define MAC_CR_PRMS_			0x00040000
325 #define MAC_CR_INVFILT_			0x00020000
326 #define MAC_CR_PASSBAD_			0x00010000
327 #define MAC_CR_HFILT_			0x00008000
328 #define MAC_CR_HPFILT_			0x00002000
329 #define MAC_CR_LCOLL_			0x00001000
330 #define MAC_CR_BCAST_			0x00000800
331 #define MAC_CR_DISRTY_			0x00000400
332 #define MAC_CR_PADSTR_			0x00000100
333 #define MAC_CR_BOLMT_MASK_		0x000000C0
334 #define MAC_CR_DFCHK_			0x00000020
335 #define MAC_CR_TXEN_			0x00000008
336 #define MAC_CR_RXEN_			0x00000004
337 
338 #define ADDRH				0x02
339 
340 #define ADDRL				0x03
341 
342 #define HASHH				0x04
343 
344 #define HASHL				0x05
345 
346 #define MII_ACC				0x06
347 #define MII_ACC_PHY_ADDR_		0x0000F800
348 #define MII_ACC_MIIRINDA_		0x000007C0
349 #define MII_ACC_MII_WRITE_		0x00000002
350 #define MII_ACC_MII_BUSY_		0x00000001
351 
352 #define MII_DATA			0x07
353 
354 #define FLOW				0x08
355 #define FLOW_FCPT_			0xFFFF0000
356 #define FLOW_FCPASS_			0x00000004
357 #define FLOW_FCEN_			0x00000002
358 #define FLOW_FCBSY_			0x00000001
359 
360 #define VLAN1				0x09
361 
362 #define VLAN2				0x0A
363 
364 #define WUFF				0x0B
365 
366 #define WUCSR				0x0C
367 #define WUCSR_GUE_			0x00000200
368 #define WUCSR_WUFR_			0x00000040
369 #define WUCSR_MPR_			0x00000020
370 #define WUCSR_WAKE_EN_			0x00000004
371 #define WUCSR_MPEN_			0x00000002
372 
373 /*
374  * Phy definitions (vendor-specific)
375  */
376 #define LAN9118_PHY_ID			0x00C0001C
377 
378 #define MII_INTSTS			0x1D
379 
380 #define MII_INTMSK			0x1E
381 #define PHY_INTMSK_AN_RCV_		(1 << 1)
382 #define PHY_INTMSK_PDFAULT_		(1 << 2)
383 #define PHY_INTMSK_AN_ACK_		(1 << 3)
384 #define PHY_INTMSK_LNKDOWN_		(1 << 4)
385 #define PHY_INTMSK_RFAULT_		(1 << 5)
386 #define PHY_INTMSK_AN_COMP_		(1 << 6)
387 #define PHY_INTMSK_ENERGYON_		(1 << 7)
388 #define PHY_INTMSK_DEFAULT_		(PHY_INTMSK_ENERGYON_ | \
389 					 PHY_INTMSK_AN_COMP_ | \
390 					 PHY_INTMSK_RFAULT_ | \
391 					 PHY_INTMSK_LNKDOWN_)
392 
393 #define ADVERTISE_PAUSE_ALL		(ADVERTISE_PAUSE_CAP | \
394 					 ADVERTISE_PAUSE_ASYM)
395 
396 #define LPA_PAUSE_ALL			(LPA_PAUSE_CAP | \
397 					 LPA_PAUSE_ASYM)
398 
399 /*
400  * Provide hooks to let the arch add to the initialisation procedure
401  * and to override the source of the MAC address.
402  */
403 #define SMSC_INITIALIZE()		do {} while (0)
404 #define smsc_get_mac(dev)		smsc911x_read_mac_address((dev))
405 
406 #ifdef CONFIG_SMSC911X_ARCH_HOOKS
407 #include <asm/smsc911x.h>
408 #endif
409 
410 #include <linux/smscphy.h>
411 
412 #endif				/* __SMSC911X_H__ */
413