xref: /openbmc/linux/drivers/net/usb/smsc95xx.h (revision 4da722ca)
1  /***************************************************************************
2  *
3  * Copyright (C) 2007-2008 SMSC
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, see <http://www.gnu.org/licenses/>.
17  *
18  *****************************************************************************/
19 
20 #ifndef _SMSC95XX_H
21 #define _SMSC95XX_H
22 
23 /* Tx command words */
24 #define TX_CMD_A_DATA_OFFSET_	(0x001F0000)	/* Data Start Offset */
25 #define TX_CMD_A_FIRST_SEG_	(0x00002000)	/* First Segment */
26 #define TX_CMD_A_LAST_SEG_	(0x00001000)	/* Last Segment */
27 #define TX_CMD_A_BUF_SIZE_	(0x000007FF)	/* Buffer Size */
28 
29 #define TX_CMD_B_CSUM_ENABLE	(0x00004000)	/* TX Checksum Enable */
30 #define TX_CMD_B_ADD_CRC_DIS_	(0x00002000)	/* Add CRC Disable */
31 #define TX_CMD_B_DIS_PADDING_	(0x00001000)	/* Disable Frame Padding */
32 #define TX_CMD_B_FRAME_LENGTH_	(0x000007FF)	/* Frame Length (bytes) */
33 
34 /* Rx status word */
35 #define RX_STS_FF_		(0x40000000)	/* Filter Fail */
36 #define RX_STS_FL_		(0x3FFF0000)	/* Frame Length */
37 #define RX_STS_ES_		(0x00008000)	/* Error Summary */
38 #define RX_STS_BF_		(0x00002000)	/* Broadcast Frame */
39 #define RX_STS_LE_		(0x00001000)	/* Length Error */
40 #define RX_STS_RF_		(0x00000800)	/* Runt Frame */
41 #define RX_STS_MF_		(0x00000400)	/* Multicast Frame */
42 #define RX_STS_TL_		(0x00000080)	/* Frame too long */
43 #define RX_STS_CS_		(0x00000040)	/* Collision Seen */
44 #define RX_STS_FT_		(0x00000020)	/* Frame Type */
45 #define RX_STS_RW_		(0x00000010)	/* Receive Watchdog */
46 #define RX_STS_ME_		(0x00000008)	/* MII Error */
47 #define RX_STS_DB_		(0x00000004)	/* Dribbling */
48 #define RX_STS_CRC_		(0x00000002)	/* CRC Error */
49 
50 /* SCSRs - System Control and Status Registers */
51 /* Device ID and Revision Register */
52 #define ID_REV			(0x00)
53 #define ID_REV_CHIP_ID_MASK_	(0xFFFF0000)
54 #define ID_REV_CHIP_REV_MASK_	(0x0000FFFF)
55 #define ID_REV_CHIP_ID_9500_	(0x9500)
56 #define ID_REV_CHIP_ID_9500A_	(0x9E00)
57 #define ID_REV_CHIP_ID_9512_	(0xEC00)
58 #define ID_REV_CHIP_ID_9530_	(0x9530)
59 #define ID_REV_CHIP_ID_89530_	(0x9E08)
60 #define ID_REV_CHIP_ID_9730_	(0x9730)
61 
62 /* Interrupt Status Register */
63 #define INT_STS			(0x08)
64 #define INT_STS_MAC_RTO_	(0x00040000)	/* MAC Reset Time Out */
65 #define INT_STS_TX_STOP_	(0x00020000)	/* TX Stopped */
66 #define INT_STS_RX_STOP_	(0x00010000)	/* RX Stopped */
67 #define INT_STS_PHY_INT_	(0x00008000)	/* PHY Interrupt */
68 #define INT_STS_TXE_		(0x00004000)	/* Transmitter Error */
69 #define INT_STS_TDFU_		(0x00002000)	/* TX Data FIFO Underrun */
70 #define INT_STS_TDFO_		(0x00001000)	/* TX Data FIFO Overrun */
71 #define INT_STS_RXDF_		(0x00000800)	/* RX Dropped Frame */
72 #define INT_STS_GPIOS_		(0x000007FF)	/* GPIOs Interrupts */
73 #define INT_STS_CLEAR_ALL_	(0xFFFFFFFF)
74 
75 /* Receive Configuration Register */
76 #define RX_CFG			(0x0C)
77 #define RX_FIFO_FLUSH_		(0x00000001)	/* Receive FIFO Flush */
78 
79 /* Transmit Configuration Register */
80 #define TX_CFG			(0x10)
81 #define TX_CFG_ON_		(0x00000004)	/* Transmitter Enable */
82 #define TX_CFG_STOP_		(0x00000002)	/* Stop Transmitter */
83 #define TX_CFG_FIFO_FLUSH_	(0x00000001)	/* Transmit FIFO Flush */
84 
85 /* Hardware Configuration Register */
86 #define HW_CFG			(0x14)
87 #define HW_CFG_BIR_		(0x00001000)	/* Bulk In Empty Response */
88 #define HW_CFG_LEDB_		(0x00000800)	/* Activity LED 80ms Bypass */
89 #define HW_CFG_RXDOFF_		(0x00000600)	/* RX Data Offset */
90 #define HW_CFG_SBP_		(0x00000100)	/* Stall Bulk Out Pipe Dis. */
91 #define HW_CFG_IME_		(0x00000080)	/* Internal MII Visi. Enable */
92 #define HW_CFG_DRP_		(0x00000040)	/* Discard Errored RX Frame */
93 #define HW_CFG_MEF_		(0x00000020)	/* Mult. ETH Frames/USB pkt */
94 #define HW_CFG_ETC_		(0x00000010)	/* EEPROM Timeout Control */
95 #define HW_CFG_LRST_		(0x00000008)	/* Soft Lite Reset */
96 #define HW_CFG_PSEL_		(0x00000004)	/* External PHY Select */
97 #define HW_CFG_BCE_		(0x00000002)	/* Burst Cap Enable */
98 #define HW_CFG_SRST_		(0x00000001)	/* Soft Reset */
99 
100 /* Receive FIFO Information Register */
101 #define RX_FIFO_INF		(0x18)
102 #define RX_FIFO_INF_USED_	(0x0000FFFF)	/* RX Data FIFO Used Space */
103 
104 /* Transmit FIFO Information Register */
105 #define TX_FIFO_INF		(0x1C)
106 #define TX_FIFO_INF_FREE_	(0x0000FFFF)	/* TX Data FIFO Free Space */
107 
108 /* Power Management Control Register */
109 #define PM_CTRL			(0x20)
110 #define PM_CTL_RES_CLR_WKP_STS	(0x00000200)	/* Resume Clears Wakeup STS */
111 #define PM_CTL_RES_CLR_WKP_EN	(0x00000100)	/* Resume Clears Wkp Enables */
112 #define PM_CTL_DEV_RDY_		(0x00000080)	/* Device Ready */
113 #define PM_CTL_SUS_MODE_	(0x00000060)	/* Suspend Mode */
114 #define PM_CTL_SUS_MODE_0	(0x00000000)
115 #define PM_CTL_SUS_MODE_1	(0x00000020)
116 #define PM_CTL_SUS_MODE_2	(0x00000040)
117 #define PM_CTL_SUS_MODE_3	(0x00000060)
118 #define PM_CTL_PHY_RST_		(0x00000010)	/* PHY Reset */
119 #define PM_CTL_WOL_EN_		(0x00000008)	/* Wake On Lan Enable */
120 #define PM_CTL_ED_EN_		(0x00000004)	/* Energy Detect Enable */
121 #define PM_CTL_WUPS_		(0x00000003)	/* Wake Up Status */
122 #define PM_CTL_WUPS_NO_		(0x00000000)	/* No Wake Up Event Detected */
123 #define PM_CTL_WUPS_ED_		(0x00000001)	/* Energy Detect */
124 #define PM_CTL_WUPS_WOL_	(0x00000002)	/* Wake On Lan */
125 #define PM_CTL_WUPS_MULTI_	(0x00000003)	/* Multiple Events Occurred */
126 
127 /* LED General Purpose IO Configuration Register */
128 #define LED_GPIO_CFG		(0x24)
129 #define LED_GPIO_CFG_SPD_LED	(0x01000000)	/* GPIOz as Speed LED */
130 #define LED_GPIO_CFG_LNK_LED	(0x00100000)	/* GPIOy as Link LED */
131 #define LED_GPIO_CFG_FDX_LED	(0x00010000)	/* GPIOx as Full Duplex LED */
132 
133 /* General Purpose IO Configuration Register */
134 #define GPIO_CFG		(0x28)
135 
136 /* Automatic Flow Control Configuration Register */
137 #define AFC_CFG			(0x2C)
138 #define AFC_CFG_HI_		(0x00FF0000)	/* Auto Flow Ctrl High Level */
139 #define AFC_CFG_LO_		(0x0000FF00)	/* Auto Flow Ctrl Low Level */
140 #define AFC_CFG_BACK_DUR_	(0x000000F0)	/* Back Pressure Duration */
141 #define AFC_CFG_FC_MULT_	(0x00000008)	/* Flow Ctrl on Mcast Frame */
142 #define AFC_CFG_FC_BRD_		(0x00000004)	/* Flow Ctrl on Bcast Frame */
143 #define AFC_CFG_FC_ADD_		(0x00000002)	/* Flow Ctrl on Addr. Decode */
144 #define AFC_CFG_FC_ANY_		(0x00000001)	/* Flow Ctrl on Any Frame */
145 /* Hi watermark = 15.5Kb (~10 mtu pkts) */
146 /* low watermark = 3k (~2 mtu pkts) */
147 /* backpressure duration = ~ 350us */
148 /* Apply FC on any frame. */
149 #define AFC_CFG_DEFAULT		(0x00F830A1)
150 
151 /* EEPROM Command Register */
152 #define E2P_CMD			(0x30)
153 #define E2P_CMD_BUSY_		(0x80000000)	/* E2P Controller Busy */
154 #define E2P_CMD_MASK_		(0x70000000)	/* Command Mask (see below) */
155 #define E2P_CMD_READ_		(0x00000000)	/* Read Location */
156 #define E2P_CMD_EWDS_		(0x10000000)	/* Erase/Write Disable */
157 #define E2P_CMD_EWEN_		(0x20000000)	/* Erase/Write Enable */
158 #define E2P_CMD_WRITE_		(0x30000000)	/* Write Location */
159 #define E2P_CMD_WRAL_		(0x40000000)	/* Write All */
160 #define E2P_CMD_ERASE_		(0x50000000)	/* Erase Location */
161 #define E2P_CMD_ERAL_		(0x60000000)	/* Erase All */
162 #define E2P_CMD_RELOAD_		(0x70000000)	/* Data Reload */
163 #define E2P_CMD_TIMEOUT_	(0x00000400)	/* Set if no resp within 30ms */
164 #define E2P_CMD_LOADED_		(0x00000200)	/* Valid EEPROM found */
165 #define E2P_CMD_ADDR_		(0x000001FF)	/* Byte aligned address */
166 
167 #define MAX_EEPROM_SIZE		(512)
168 
169 /* EEPROM Data Register */
170 #define E2P_DATA		(0x34)
171 #define E2P_DATA_MASK_		(0x000000FF)	/* EEPROM Data Mask */
172 
173 /* Burst Cap Register */
174 #define BURST_CAP		(0x38)
175 #define BURST_CAP_MASK_		(0x000000FF)	/* Max burst sent by the UTX */
176 
177 /* Configuration Straps Status Register */
178 #define	STRAP_STATUS			(0x3C)
179 #define	STRAP_STATUS_PWR_SEL_		(0x00000020) /* Device self-powered */
180 #define	STRAP_STATUS_AMDIX_EN_		(0x00000010) /* Auto-MDIX Enabled */
181 #define	STRAP_STATUS_PORT_SWAP_		(0x00000008) /* USBD+/USBD- Swapped */
182 #define	STRAP_STATUS_EEP_SIZE_		(0x00000004) /* EEPROM Size */
183 #define	STRAP_STATUS_RMT_WKP_		(0x00000002) /* Remote Wkp supported */
184 #define	STRAP_STATUS_EEP_DISABLE_	(0x00000001) /* EEPROM Disabled */
185 
186 /* Data Port Select Register */
187 #define DP_SEL			(0x40)
188 
189 /* Data Port Command Register */
190 #define DP_CMD			(0x44)
191 
192 /* Data Port Address Register */
193 #define DP_ADDR			(0x48)
194 
195 /* Data Port Data 0 Register */
196 #define DP_DATA0		(0x4C)
197 
198 /* Data Port Data 1 Register */
199 #define DP_DATA1		(0x50)
200 
201 /* General Purpose IO Wake Enable and Polarity Register */
202 #define GPIO_WAKE		(0x64)
203 
204 /* Interrupt Endpoint Control Register */
205 #define INT_EP_CTL		(0x68)
206 #define INT_EP_CTL_INTEP_	(0x80000000)	/* Always TX Interrupt PKT */
207 #define INT_EP_CTL_MAC_RTO_	(0x00080000)	/* MAC Reset Time Out */
208 #define INT_EP_CTL_RX_FIFO_	(0x00040000)	/* RX FIFO Has Frame */
209 #define INT_EP_CTL_TX_STOP_	(0x00020000)	/* TX Stopped */
210 #define INT_EP_CTL_RX_STOP_	(0x00010000)	/* RX Stopped */
211 #define INT_EP_CTL_PHY_INT_	(0x00008000)	/* PHY Interrupt */
212 #define INT_EP_CTL_TXE_		(0x00004000)	/* TX Error */
213 #define INT_EP_CTL_TDFU_	(0x00002000)	/* TX Data FIFO Underrun */
214 #define INT_EP_CTL_TDFO_	(0x00001000)	/* TX Data FIFO Overrun */
215 #define INT_EP_CTL_RXDF_	(0x00000800)	/* RX Dropped Frame */
216 #define INT_EP_CTL_GPIOS_	(0x000007FF)	/* GPIOs Interrupt Enable */
217 
218 /* Bulk In Delay Register (units of 16.667ns, until ~1092µs) */
219 #define BULK_IN_DLY		(0x6C)
220 
221 /* MAC CSRs - MAC Control and Status Registers */
222 /* MAC Control Register */
223 #define MAC_CR			(0x100)
224 #define MAC_CR_RXALL_		(0x80000000)	/* Receive All Mode */
225 #define MAC_CR_RCVOWN_		(0x00800000)	/* Disable Receive Own */
226 #define MAC_CR_LOOPBK_		(0x00200000)	/* Loopback Operation Mode */
227 #define MAC_CR_FDPX_		(0x00100000)	/* Full Duplex Mode */
228 #define MAC_CR_MCPAS_		(0x00080000)	/* Pass All Multicast */
229 #define MAC_CR_PRMS_		(0x00040000)	/* Promiscuous Mode */
230 #define MAC_CR_INVFILT_		(0x00020000)	/* Inverse Filtering */
231 #define MAC_CR_PASSBAD_		(0x00010000)	/* Pass Bad Frames */
232 #define MAC_CR_HFILT_		(0x00008000)	/* Hash Only Filtering Mode */
233 #define MAC_CR_HPFILT_		(0x00002000)	/* Hash/Perfect Filt. Mode */
234 #define MAC_CR_LCOLL_		(0x00001000)	/* Late Collision Control */
235 #define MAC_CR_BCAST_		(0x00000800)	/* Disable Broadcast Frames */
236 #define MAC_CR_DISRTY_		(0x00000400)	/* Disable Retry */
237 #define MAC_CR_PADSTR_		(0x00000100)	/* Automatic Pad Stripping */
238 #define MAC_CR_BOLMT_MASK	(0x000000C0)	/* BackOff Limit */
239 #define MAC_CR_DFCHK_		(0x00000020)	/* Deferral Check */
240 #define MAC_CR_TXEN_		(0x00000008)	/* Transmitter Enable */
241 #define MAC_CR_RXEN_		(0x00000004)	/* Receiver Enable */
242 
243 /* MAC Address High Register */
244 #define ADDRH			(0x104)
245 
246 /* MAC Address Low Register */
247 #define ADDRL			(0x108)
248 
249 /* Multicast Hash Table High Register */
250 #define HASHH			(0x10C)
251 
252 /* Multicast Hash Table Low Register */
253 #define HASHL			(0x110)
254 
255 /* MII Access Register */
256 #define MII_ADDR		(0x114)
257 #define MII_WRITE_		(0x02)
258 #define MII_BUSY_		(0x01)
259 #define MII_READ_		(0x00) /* ~of MII Write bit */
260 
261 /* MII Data Register */
262 #define MII_DATA		(0x118)
263 
264 /* Flow Control Register */
265 #define FLOW			(0x11C)
266 #define FLOW_FCPT_		(0xFFFF0000)	/* Pause Time */
267 #define FLOW_FCPASS_		(0x00000004)	/* Pass Control Frames */
268 #define FLOW_FCEN_		(0x00000002)	/* Flow Control Enable */
269 #define FLOW_FCBSY_		(0x00000001)	/* Flow Control Busy */
270 
271 /* VLAN1 Tag Register */
272 #define VLAN1			(0x120)
273 
274 /* VLAN2 Tag Register */
275 #define VLAN2			(0x124)
276 
277 /* Wake Up Frame Filter Register */
278 #define WUFF			(0x128)
279 #define LAN9500_WUFF_NUM	(4)
280 #define LAN9500A_WUFF_NUM	(8)
281 
282 /* Wake Up Control and Status Register */
283 #define WUCSR			(0x12C)
284 #define WUCSR_WFF_PTR_RST_	(0x80000000)	/* WFrame Filter Pointer Rst */
285 #define WUCSR_GUE_		(0x00000200)	/* Global Unicast Enable */
286 #define WUCSR_WUFR_		(0x00000040)	/* Wakeup Frame Received */
287 #define WUCSR_MPR_		(0x00000020)	/* Magic Packet Received */
288 #define WUCSR_WAKE_EN_		(0x00000004)	/* Wakeup Frame Enable */
289 #define WUCSR_MPEN_		(0x00000002)	/* Magic Packet Enable */
290 
291 /* Checksum Offload Engine Control Register */
292 #define COE_CR			(0x130)
293 #define Tx_COE_EN_		(0x00010000)	/* TX Csum Offload Enable */
294 #define Rx_COE_MODE_		(0x00000002)	/* RX Csum Offload Mode */
295 #define Rx_COE_EN_		(0x00000001)	/* RX Csum Offload Enable */
296 
297 /* Vendor-specific PHY Definitions (via MII access) */
298 /* EDPD NLP / crossover time configuration (LAN9500A only) */
299 #define PHY_EDPD_CONFIG			(16)
300 #define PHY_EDPD_CONFIG_TX_NLP_EN_	((u16)0x8000)
301 #define PHY_EDPD_CONFIG_TX_NLP_1000_	((u16)0x0000)
302 #define PHY_EDPD_CONFIG_TX_NLP_768_	((u16)0x2000)
303 #define PHY_EDPD_CONFIG_TX_NLP_512_	((u16)0x4000)
304 #define PHY_EDPD_CONFIG_TX_NLP_256_	((u16)0x6000)
305 #define PHY_EDPD_CONFIG_RX_1_NLP_	((u16)0x1000)
306 #define PHY_EDPD_CONFIG_RX_NLP_64_	((u16)0x0000)
307 #define PHY_EDPD_CONFIG_RX_NLP_256_	((u16)0x0400)
308 #define PHY_EDPD_CONFIG_RX_NLP_512_	((u16)0x0800)
309 #define PHY_EDPD_CONFIG_RX_NLP_1000_	((u16)0x0C00)
310 #define PHY_EDPD_CONFIG_EXT_CROSSOVER_	((u16)0x0001)
311 #define PHY_EDPD_CONFIG_DEFAULT		(PHY_EDPD_CONFIG_TX_NLP_EN_ | \
312 					 PHY_EDPD_CONFIG_TX_NLP_768_ | \
313 					 PHY_EDPD_CONFIG_RX_1_NLP_)
314 
315 /* Mode Control/Status Register */
316 #define PHY_MODE_CTRL_STS		(17)
317 #define MODE_CTRL_STS_EDPWRDOWN_	((u16)0x2000)
318 #define MODE_CTRL_STS_ENERGYON_		((u16)0x0002)
319 
320 /* Control/Status Indication Register */
321 #define SPECIAL_CTRL_STS		(27)
322 #define SPECIAL_CTRL_STS_OVRRD_AMDIX_	((u16)0x8000)
323 #define SPECIAL_CTRL_STS_AMDIX_ENABLE_	((u16)0x4000)
324 #define SPECIAL_CTRL_STS_AMDIX_STATE_	((u16)0x2000)
325 
326 /* Interrupt Source Register */
327 #define PHY_INT_SRC			(29)
328 #define PHY_INT_SRC_ENERGY_ON_		((u16)0x0080)
329 #define PHY_INT_SRC_ANEG_COMP_		((u16)0x0040)
330 #define PHY_INT_SRC_REMOTE_FAULT_	((u16)0x0020)
331 #define PHY_INT_SRC_LINK_DOWN_		((u16)0x0010)
332 
333 /* Interrupt Mask Register */
334 #define PHY_INT_MASK			(30)
335 #define PHY_INT_MASK_ENERGY_ON_		((u16)0x0080)
336 #define PHY_INT_MASK_ANEG_COMP_		((u16)0x0040)
337 #define PHY_INT_MASK_REMOTE_FAULT_	((u16)0x0020)
338 #define PHY_INT_MASK_LINK_DOWN_		((u16)0x0010)
339 #define PHY_INT_MASK_DEFAULT_		(PHY_INT_MASK_ANEG_COMP_ | \
340 					 PHY_INT_MASK_LINK_DOWN_)
341 /* PHY Special Control/Status Register */
342 #define PHY_SPECIAL			(31)
343 #define PHY_SPECIAL_SPD_		((u16)0x001C)
344 #define PHY_SPECIAL_SPD_10HALF_		((u16)0x0004)
345 #define PHY_SPECIAL_SPD_10FULL_		((u16)0x0014)
346 #define PHY_SPECIAL_SPD_100HALF_	((u16)0x0008)
347 #define PHY_SPECIAL_SPD_100FULL_	((u16)0x0018)
348 
349 /* USB Vendor Requests */
350 #define USB_VENDOR_REQUEST_WRITE_REGISTER	0xA0
351 #define USB_VENDOR_REQUEST_READ_REGISTER	0xA1
352 #define USB_VENDOR_REQUEST_GET_STATS		0xA2
353 
354 /* Interrupt Endpoint status word bitfields */
355 #define INT_ENP_MAC_RTO_		((u32)BIT(18))	/* MAC Reset Time Out */
356 #define INT_ENP_TX_STOP_		((u32)BIT(17))	/* TX Stopped */
357 #define INT_ENP_RX_STOP_		((u32)BIT(16))	/* RX Stopped */
358 #define INT_ENP_PHY_INT_		((u32)BIT(15))	/* PHY Interrupt */
359 #define INT_ENP_TXE_			((u32)BIT(14))	/* TX Error */
360 #define INT_ENP_TDFU_			((u32)BIT(13))	/* TX FIFO Underrun */
361 #define INT_ENP_TDFO_			((u32)BIT(12))	/* TX FIFO Overrun */
362 #define INT_ENP_RXDF_			((u32)BIT(11))	/* RX Dropped Frame */
363 
364 #endif /* _SMSC95XX_H */
365