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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* sis900.h Definitions for SiS ethernet controllers including 7014/7016 and 900
2 * Copyright 1999 Silicon Integrated System Corporation
3 * References:
4 * SiS 7016 Fast Ethernet PCI Bus 10/100 Mbps LAN Controller with OnNow Support,
5 * preliminary Rev. 1.0 Jan. 14, 1998
6 * SiS 900 Fast Ethernet PCI Bus 10/100 Mbps LAN Single Chip with OnNow Support,
7 * preliminary Rev. 1.0 Nov. 10, 1998
8 * SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution,
9 * preliminary Rev. 1.0 Jan. 18, 1998
10 * http://www.sis.com.tw/support/databook.htm
11 */
12
13/*
14 * SiS 7016 and SiS 900 ethernet controller registers
15 */
16
17/* The I/O extent, SiS 900 needs 256 bytes of io address */
18#define SIS900_TOTAL_SIZE 0x100
19
20/* Symbolic offsets to registers. */
21enum sis900_registers {
22 cr=0x0, //Command Register
23 cfg=0x4, //Configuration Register
24 mear=0x8, //EEPROM Access Register
25 ptscr=0xc, //PCI Test Control Register
26 isr=0x10, //Interrupt Status Register
27 imr=0x14, //Interrupt Mask Register
28 ier=0x18, //Interrupt Enable Register
29 epar=0x18, //Enhanced PHY Access Register
30 txdp=0x20, //Transmit Descriptor Pointer Register
31 txcfg=0x24, //Transmit Configuration Register
32 rxdp=0x30, //Receive Descriptor Pointer Register
33 rxcfg=0x34, //Receive Configuration Register
34 flctrl=0x38, //Flow Control Register
35 rxlen=0x3c, //Receive Packet Length Register
Daniele Venzanoea37cce2005-10-11 09:44:30 +020036 cfgpmcsr=0x44, //Configuration Power Management Control/Status Register
Linus Torvalds1da177e2005-04-16 15:20:36 -070037 rfcr=0x48, //Receive Filter Control Register
38 rfdr=0x4C, //Receive Filter Data Register
39 pmctrl=0xB0, //Power Management Control Register
40 pmer=0xB4 //Power Management Wake-up Event Register
41};
42
43/* Symbolic names for bits in various registers */
44enum sis900_command_register_bits {
45 RELOAD = 0x00000400, ACCESSMODE = 0x00000200,/* ET */
46 RESET = 0x00000100, SWI = 0x00000080, RxRESET = 0x00000020,
47 TxRESET = 0x00000010, RxDIS = 0x00000008, RxENA = 0x00000004,
48 TxDIS = 0x00000002, TxENA = 0x00000001
49};
50
51enum sis900_configuration_register_bits {
52 DESCRFMT = 0x00000100 /* 7016 specific */, REQALG = 0x00000080,
53 SB = 0x00000040, POW = 0x00000020, EXD = 0x00000010,
54 PESEL = 0x00000008, LPM = 0x00000004, BEM = 0x00000001,
55 /* 635 & 900B Specific */
56 RND_CNT = 0x00000400, FAIR_BACKOFF = 0x00000200,
57 EDB_MASTER_EN = 0x00002000
58};
59
60enum sis900_eeprom_access_reigster_bits {
61 MDC = 0x00000040, MDDIR = 0x00000020, MDIO = 0x00000010, /* 7016 specific */
62 EECS = 0x00000008, EECLK = 0x00000004, EEDO = 0x00000002,
63 EEDI = 0x00000001
64};
65
66enum sis900_interrupt_register_bits {
67 WKEVT = 0x10000000, TxPAUSEEND = 0x08000000, TxPAUSE = 0x04000000,
68 TxRCMP = 0x02000000, RxRCMP = 0x01000000, DPERR = 0x00800000,
69 SSERR = 0x00400000, RMABT = 0x00200000, RTABT = 0x00100000,
70 RxSOVR = 0x00010000, HIBERR = 0x00008000, SWINT = 0x00001000,
71 MIBINT = 0x00000800, TxURN = 0x00000400, TxIDLE = 0x00000200,
72 TxERR = 0x00000100, TxDESC = 0x00000080, TxOK = 0x00000040,
73 RxORN = 0x00000020, RxIDLE = 0x00000010, RxEARLY = 0x00000008,
74 RxERR = 0x00000004, RxDESC = 0x00000002, RxOK = 0x00000001
75};
76
77enum sis900_interrupt_enable_reigster_bits {
78 IE = 0x00000001
79};
80
81/* maximum dma burst for transmission and receive */
82#define MAX_DMA_RANGE 7 /* actually 0 means MAXIMUM !! */
83#define TxMXDMA_shift 20
84#define RxMXDMA_shift 20
85
86enum sis900_tx_rx_dma{
87 DMA_BURST_512 = 0, DMA_BURST_64 = 5
88};
89
90/* transmit FIFO thresholds */
91#define TX_FILL_THRESH 16 /* 1/4 FIFO size */
92#define TxFILLT_shift 8
93#define TxDRNT_shift 0
94#define TxDRNT_100 48 /* 3/4 FIFO size */
95#define TxDRNT_10 16 /* 1/2 FIFO size */
96
97enum sis900_transmit_config_register_bits {
98 TxCSI = 0x80000000, TxHBI = 0x40000000, TxMLB = 0x20000000,
99 TxATP = 0x10000000, TxIFG = 0x0C000000, TxFILLT = 0x00003F00,
100 TxDRNT = 0x0000003F
101};
102
103/* recevie FIFO thresholds */
104#define RxDRNT_shift 1
105#define RxDRNT_100 16 /* 1/2 FIFO size */
106#define RxDRNT_10 24 /* 3/4 FIFO size */
107
108enum sis900_reveive_config_register_bits {
109 RxAEP = 0x80000000, RxARP = 0x40000000, RxATX = 0x10000000,
110 RxAJAB = 0x08000000, RxDRNT = 0x0000007F
111};
112
113#define RFAA_shift 28
114#define RFADDR_shift 16
115
116enum sis900_receive_filter_control_register_bits {
117 RFEN = 0x80000000, RFAAB = 0x40000000, RFAAM = 0x20000000,
118 RFAAP = 0x10000000, RFPromiscuous = (RFAAB|RFAAM|RFAAP)
119};
120
121enum sis900_reveive_filter_data_mask {
122 RFDAT = 0x0000FFFF
123};
124
125/* EEPROM Addresses */
126enum sis900_eeprom_address {
127 EEPROMSignature = 0x00, EEPROMVendorID = 0x02, EEPROMDeviceID = 0x03,
128 EEPROMMACAddr = 0x08, EEPROMChecksum = 0x0b
129};
130
131/* The EEPROM commands include the alway-set leading bit. Refer to NM93Cxx datasheet */
132enum sis900_eeprom_command {
133 EEread = 0x0180, EEwrite = 0x0140, EEerase = 0x01C0,
134 EEwriteEnable = 0x0130, EEwriteDisable = 0x0100,
135 EEeraseAll = 0x0120, EEwriteAll = 0x0110,
136 EEaddrMask = 0x013F, EEcmdShift = 16
137};
138
139/* For SiS962 or SiS963, request the eeprom software access */
140enum sis96x_eeprom_command {
141 EEREQ = 0x00000400, EEDONE = 0x00000200, EEGNT = 0x00000100
142};
143
Daniele Venzanoea37cce2005-10-11 09:44:30 +0200144/* PCI Registers */
145enum sis900_pci_registers {
146 CFGPMC = 0x40,
147 CFGPMCSR = 0x44
148};
149
150/* Power management capabilities bits */
151enum sis900_cfgpmc_register_bits {
152 PMVER = 0x00070000,
153 DSI = 0x00100000,
154 PMESP = 0xf8000000
155};
156
157enum sis900_pmesp_bits {
158 PME_D0 = 0x1,
159 PME_D1 = 0x2,
160 PME_D2 = 0x4,
161 PME_D3H = 0x8,
162 PME_D3C = 0x10
163};
164
165/* Power management control/status bits */
166enum sis900_cfgpmcsr_register_bits {
167 PMESTS = 0x00004000,
168 PME_EN = 0x00000100, // Power management enable
169 PWR_STA = 0x00000003 // Current power state
170};
171
172/* Wake-on-LAN support. */
173enum sis900_power_management_control_register_bits {
174 LINKLOSS = 0x00000001,
175 LINKON = 0x00000002,
176 MAGICPKT = 0x00000400,
177 ALGORITHM = 0x00000800,
178 FRM1EN = 0x00100000,
179 FRM2EN = 0x00200000,
180 FRM3EN = 0x00400000,
181 FRM1ACS = 0x01000000,
182 FRM2ACS = 0x02000000,
183 FRM3ACS = 0x04000000,
184 WAKEALL = 0x40000000,
185 GATECLK = 0x80000000
186};
187
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188/* Management Data I/O (mdio) frame */
189#define MIIread 0x6000
190#define MIIwrite 0x5002
191#define MIIpmdShift 7
192#define MIIregShift 2
193#define MIIcmdLen 16
194#define MIIcmdShift 16
195
196/* Buffer Descriptor Status*/
197enum sis900_buffer_status {
198 OWN = 0x80000000, MORE = 0x40000000, INTR = 0x20000000,
199 SUPCRC = 0x10000000, INCCRC = 0x10000000,
200 OK = 0x08000000, DSIZE = 0x00000FFF
201};
202/* Status for TX Buffers */
203enum sis900_tx_buffer_status {
204 ABORT = 0x04000000, UNDERRUN = 0x02000000, NOCARRIER = 0x01000000,
205 DEFERD = 0x00800000, EXCDEFER = 0x00400000, OWCOLL = 0x00200000,
206 EXCCOLL = 0x00100000, COLCNT = 0x000F0000
207};
208
209enum sis900_rx_bufer_status {
210 OVERRUN = 0x02000000, DEST = 0x00800000, BCAST = 0x01800000,
211 MCAST = 0x01000000, UNIMATCH = 0x00800000, TOOLONG = 0x00400000,
212 RUNT = 0x00200000, RXISERR = 0x00100000, CRCERR = 0x00080000,
213 FAERR = 0x00040000, LOOPBK = 0x00020000, RXCOL = 0x00010000
214};
215
216/* MII register offsets */
217enum mii_registers {
218 MII_CONTROL = 0x0000, MII_STATUS = 0x0001, MII_PHY_ID0 = 0x0002,
219 MII_PHY_ID1 = 0x0003, MII_ANADV = 0x0004, MII_ANLPAR = 0x0005,
220 MII_ANEXT = 0x0006
221};
222
223/* mii registers specific to SiS 900 */
224enum sis_mii_registers {
225 MII_CONFIG1 = 0x0010, MII_CONFIG2 = 0x0011, MII_STSOUT = 0x0012,
226 MII_MASK = 0x0013, MII_RESV = 0x0014
227};
228
229/* mii registers specific to ICS 1893 */
230enum ics_mii_registers {
231 MII_EXTCTRL = 0x0010, MII_QPDSTS = 0x0011, MII_10BTOP = 0x0012,
232 MII_EXTCTRL2 = 0x0013
233};
234
235/* mii registers specific to AMD 79C901 */
236enum amd_mii_registers {
237 MII_STATUS_SUMMARY = 0x0018
238};
239
240/* MII Control register bit definitions. */
241enum mii_control_register_bits {
242 MII_CNTL_FDX = 0x0100, MII_CNTL_RST_AUTO = 0x0200,
243 MII_CNTL_ISOLATE = 0x0400, MII_CNTL_PWRDWN = 0x0800,
244 MII_CNTL_AUTO = 0x1000, MII_CNTL_SPEED = 0x2000,
245 MII_CNTL_LPBK = 0x4000, MII_CNTL_RESET = 0x8000
246};
247
248/* MII Status register bit */
249enum mii_status_register_bits {
250 MII_STAT_EXT = 0x0001, MII_STAT_JAB = 0x0002,
251 MII_STAT_LINK = 0x0004, MII_STAT_CAN_AUTO = 0x0008,
252 MII_STAT_FAULT = 0x0010, MII_STAT_AUTO_DONE = 0x0020,
253 MII_STAT_CAN_T = 0x0800, MII_STAT_CAN_T_FDX = 0x1000,
254 MII_STAT_CAN_TX = 0x2000, MII_STAT_CAN_TX_FDX = 0x4000,
255 MII_STAT_CAN_T4 = 0x8000
256};
257
258#define MII_ID1_OUI_LO 0xFC00 /* low bits of OUI mask */
259#define MII_ID1_MODEL 0x03F0 /* model number */
260#define MII_ID1_REV 0x000F /* model number */
261
262/* MII NWAY Register Bits ...
263 valid for the ANAR (Auto-Negotiation Advertisement) and
264 ANLPAR (Auto-Negotiation Link Partner) registers */
265enum mii_nway_register_bits {
266 MII_NWAY_NODE_SEL = 0x001f, MII_NWAY_CSMA_CD = 0x0001,
267 MII_NWAY_T = 0x0020, MII_NWAY_T_FDX = 0x0040,
268 MII_NWAY_TX = 0x0080, MII_NWAY_TX_FDX = 0x0100,
269 MII_NWAY_T4 = 0x0200, MII_NWAY_PAUSE = 0x0400,
270 MII_NWAY_RF = 0x2000, MII_NWAY_ACK = 0x4000,
271 MII_NWAY_NP = 0x8000
272};
273
274enum mii_stsout_register_bits {
275 MII_STSOUT_LINK_FAIL = 0x4000,
276 MII_STSOUT_SPD = 0x0080, MII_STSOUT_DPLX = 0x0040
277};
278
279enum mii_stsics_register_bits {
280 MII_STSICS_SPD = 0x8000, MII_STSICS_DPLX = 0x4000,
281 MII_STSICS_LINKSTS = 0x0001
282};
283
284enum mii_stssum_register_bits {
285 MII_STSSUM_LINK = 0x0008, MII_STSSUM_DPLX = 0x0004,
286 MII_STSSUM_AUTO = 0x0002, MII_STSSUM_SPD = 0x0001
287};
288
289enum sis900_revision_id {
290 SIS630A_900_REV = 0x80, SIS630E_900_REV = 0x81,
291 SIS630S_900_REV = 0x82, SIS630EA1_900_REV = 0x83,
292 SIS630ET_900_REV = 0x84, SIS635A_900_REV = 0x90,
293 SIS96x_900_REV = 0X91, SIS900B_900_REV = 0x03
294};
295
296enum sis630_revision_id {
297 SIS630A0 = 0x00, SIS630A1 = 0x01,
298 SIS630B0 = 0x10, SIS630B1 = 0x11
299};
300
301#define FDX_CAPABLE_DUPLEX_UNKNOWN 0
302#define FDX_CAPABLE_HALF_SELECTED 1
303#define FDX_CAPABLE_FULL_SELECTED 2
304
305#define HW_SPEED_UNCONFIG 0
306#define HW_SPEED_HOME 1
307#define HW_SPEED_10_MBPS 10
308#define HW_SPEED_100_MBPS 100
309#define HW_SPEED_DEFAULT (HW_SPEED_100_MBPS)
310
311#define CRC_SIZE 4
312#define MAC_HEADER_SIZE 14
313
314#define TX_BUF_SIZE 1536
315#define RX_BUF_SIZE 1536
316
317#define NUM_TX_DESC 16 /* Number of Tx descriptor registers. */
318#define NUM_RX_DESC 16 /* Number of Rx descriptor registers. */
319#define TX_TOTAL_SIZE NUM_TX_DESC*sizeof(BufferDesc)
320#define RX_TOTAL_SIZE NUM_RX_DESC*sizeof(BufferDesc)
321
322/* PCI stuff, should be move to pci.h */
323#define SIS630_VENDOR_ID 0x1039
324#define SIS630_DEVICE_ID 0x0630