2 * Copyright (C) 2003 - 2009 NetXen, Inc.
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.
10 * This program is distributed in the hope that it will be useful, but
11 * 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.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called LICENSE.
23 * Contact Information:
27 * Cupertino, CA 95014-0701
31 #ifndef __NETXEN_NIC_HW_H_
32 #define __NETXEN_NIC_HW_H_
34 #include "netxen_nic_hdr.h"
36 /* Hardware memory size of 128 meg */
37 #define NETXEN_MEMADDR_MAX (128 * 1024 * 1024)
40 static inline u64 readq(void __iomem * addr)
42 return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
47 static inline void writeq(u64 val, void __iomem * addr)
49 writel(((u32) (val)), (addr));
50 writel(((u32) (val >> 32)), (addr + 4));
54 struct netxen_adapter;
56 #define NETXEN_PCI_MAPSIZE_BYTES (NETXEN_PCI_MAPSIZE << 20)
59 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter);
60 void netxen_nic_flash_print(struct netxen_adapter *adapter);
62 typedef u8 netxen_ethernet_macaddr_t[6];
64 /* Nibble or Byte mode for phy interface (GbE mode only) */
66 NETXEN_NIU_10_100_MB = 0,
68 } netxen_niu_gbe_ifmode_t;
70 #define _netxen_crb_get_bit(var, bit) ((var >> bit) & 0x1)
73 * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3)
75 * Bit 0 : enable_tx => 1:enable frame xmit, 0:disable
76 * Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream
77 * Bit 2 : enable_rx => 1:enable frame recv, 0:disable
78 * Bit 3 : rx_synced => R/O: recv enable synched to recv stream
79 * Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable
80 * Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore
81 * Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal
82 * Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op
83 * Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op
84 * Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op
85 * Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op
86 * Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op
89 #define netxen_gb_enable_tx(config_word) \
90 ((config_word) |= 1 << 0)
91 #define netxen_gb_enable_rx(config_word) \
92 ((config_word) |= 1 << 2)
93 #define netxen_gb_tx_flowctl(config_word) \
94 ((config_word) |= 1 << 4)
95 #define netxen_gb_rx_flowctl(config_word) \
96 ((config_word) |= 1 << 5)
97 #define netxen_gb_tx_reset_pb(config_word) \
98 ((config_word) |= 1 << 16)
99 #define netxen_gb_rx_reset_pb(config_word) \
100 ((config_word) |= 1 << 17)
101 #define netxen_gb_tx_reset_mac(config_word) \
102 ((config_word) |= 1 << 18)
103 #define netxen_gb_rx_reset_mac(config_word) \
104 ((config_word) |= 1 << 19)
105 #define netxen_gb_soft_reset(config_word) \
106 ((config_word) |= 1 << 31)
108 #define netxen_gb_unset_tx_flowctl(config_word) \
109 ((config_word) &= ~(1 << 4))
110 #define netxen_gb_unset_rx_flowctl(config_word) \
111 ((config_word) &= ~(1 << 5))
113 #define netxen_gb_get_tx_synced(config_word) \
114 _netxen_crb_get_bit((config_word), 1)
115 #define netxen_gb_get_rx_synced(config_word) \
116 _netxen_crb_get_bit((config_word), 3)
117 #define netxen_gb_get_tx_flowctl(config_word) \
118 _netxen_crb_get_bit((config_word), 4)
119 #define netxen_gb_get_rx_flowctl(config_word) \
120 _netxen_crb_get_bit((config_word), 5)
121 #define netxen_gb_get_soft_reset(config_word) \
122 _netxen_crb_get_bit((config_word), 31)
124 #define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16)
126 #define netxen_gb_set_mii_mgmt_clockselect(config_word, val) \
127 ((config_word) |= ((val) & 0x07))
128 #define netxen_gb_mii_mgmt_reset(config_word) \
129 ((config_word) |= 1 << 31)
130 #define netxen_gb_mii_mgmt_unset(config_word) \
131 ((config_word) &= ~(1 << 31))
134 * NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3)
135 * Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op
136 * Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op
139 #define netxen_gb_mii_mgmt_set_read_cycle(config_word) \
140 ((config_word) |= 1 << 0)
141 #define netxen_gb_mii_mgmt_reg_addr(config_word, val) \
142 ((config_word) |= ((val) & 0x1F))
143 #define netxen_gb_mii_mgmt_phy_addr(config_word, val) \
144 ((config_word) |= (((val) & 0x1F) << 8))
147 * NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3)
148 * Read-only register.
149 * Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle
150 * Bit 1 : scanning => 1:scan operation in progress, 0:idle
151 * Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle
153 #define netxen_get_gb_mii_mgmt_busy(config_word) \
154 _netxen_crb_get_bit(config_word, 0)
155 #define netxen_get_gb_mii_mgmt_scanning(config_word) \
156 _netxen_crb_get_bit(config_word, 1)
157 #define netxen_get_gb_mii_mgmt_notvalid(config_word) \
158 _netxen_crb_get_bit(config_word, 2)
160 * NIU XG Pause Ctl Register
162 * Bit 0 : xg0_mask => 1:disable tx pause frames
163 * Bit 1 : xg0_request => 1:request single pause frame
164 * Bit 2 : xg0_on_off => 1:request is pause on, 0:off
165 * Bit 3 : xg1_mask => 1:disable tx pause frames
166 * Bit 4 : xg1_request => 1:request single pause frame
167 * Bit 5 : xg1_on_off => 1:request is pause on, 0:off
170 #define netxen_xg_set_xg0_mask(config_word) \
171 ((config_word) |= 1 << 0)
172 #define netxen_xg_set_xg1_mask(config_word) \
173 ((config_word) |= 1 << 3)
175 #define netxen_xg_get_xg0_mask(config_word) \
176 _netxen_crb_get_bit((config_word), 0)
177 #define netxen_xg_get_xg1_mask(config_word) \
178 _netxen_crb_get_bit((config_word), 3)
180 #define netxen_xg_unset_xg0_mask(config_word) \
181 ((config_word) &= ~(1 << 0))
182 #define netxen_xg_unset_xg1_mask(config_word) \
183 ((config_word) &= ~(1 << 3))
186 * NIU XG Pause Ctl Register
188 * Bit 0 : xg0_mask => 1:disable tx pause frames
189 * Bit 1 : xg0_request => 1:request single pause frame
190 * Bit 2 : xg0_on_off => 1:request is pause on, 0:off
191 * Bit 3 : xg1_mask => 1:disable tx pause frames
192 * Bit 4 : xg1_request => 1:request single pause frame
193 * Bit 5 : xg1_on_off => 1:request is pause on, 0:off
195 #define netxen_gb_set_gb0_mask(config_word) \
196 ((config_word) |= 1 << 0)
197 #define netxen_gb_set_gb1_mask(config_word) \
198 ((config_word) |= 1 << 2)
199 #define netxen_gb_set_gb2_mask(config_word) \
200 ((config_word) |= 1 << 4)
201 #define netxen_gb_set_gb3_mask(config_word) \
202 ((config_word) |= 1 << 6)
204 #define netxen_gb_get_gb0_mask(config_word) \
205 _netxen_crb_get_bit((config_word), 0)
206 #define netxen_gb_get_gb1_mask(config_word) \
207 _netxen_crb_get_bit((config_word), 2)
208 #define netxen_gb_get_gb2_mask(config_word) \
209 _netxen_crb_get_bit((config_word), 4)
210 #define netxen_gb_get_gb3_mask(config_word) \
211 _netxen_crb_get_bit((config_word), 6)
213 #define netxen_gb_unset_gb0_mask(config_word) \
214 ((config_word) &= ~(1 << 0))
215 #define netxen_gb_unset_gb1_mask(config_word) \
216 ((config_word) &= ~(1 << 2))
217 #define netxen_gb_unset_gb2_mask(config_word) \
218 ((config_word) &= ~(1 << 4))
219 #define netxen_gb_unset_gb3_mask(config_word) \
220 ((config_word) &= ~(1 << 6))
224 * PHY-Specific MII control/status registers.
227 NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL = 0,
228 NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS = 1,
229 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0 = 2,
230 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1 = 3,
231 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG = 4,
232 NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART = 5,
233 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE = 6,
234 NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT = 7,
235 NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE = 8,
236 NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL = 9,
237 NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS = 10,
238 NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS = 15,
239 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL = 16,
240 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS = 17,
241 NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE = 18,
242 NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS = 19,
243 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE = 20,
244 NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT = 21,
245 NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL = 24,
246 NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE = 25,
247 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET = 26,
248 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE = 27
249 } netxen_niu_phy_register_t;
252 * PHY-Specific Status Register (reg 17).
254 * Bit 0 : jabber => 1:jabber detected, 0:not
255 * Bit 1 : polarity => 1:polarity reversed, 0:normal
256 * Bit 2 : recvpause => 1:receive pause enabled, 0:disabled
257 * Bit 3 : xmitpause => 1:transmit pause enabled, 0:disabled
258 * Bit 4 : energydetect => 1:sleep, 0:active
259 * Bit 5 : downshift => 1:downshift, 0:no downshift
260 * Bit 6 : crossover => 1:MDIX (crossover), 0:MDI (no crossover)
261 * Bits 7-9 : cablelen => not valid in 10Mb/s mode
262 * 0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m
263 * Bit 10 : link => 1:link up, 0:link down
264 * Bit 11 : resolved => 1:speed and duplex resolved, 0:not yet
265 * Bit 12 : pagercvd => 1:page received, 0:page not received
266 * Bit 13 : duplex => 1:full duplex, 0:half duplex
267 * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd
270 #define netxen_get_phy_cablelen(config_word) (((config_word) >> 7) & 0x07)
271 #define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03)
273 #define netxen_set_phy_speed(config_word, val) \
274 ((config_word) |= ((val & 0x03) << 14))
275 #define netxen_set_phy_duplex(config_word) \
276 ((config_word) |= 1 << 13)
277 #define netxen_clear_phy_duplex(config_word) \
278 ((config_word) &= ~(1 << 13))
280 #define netxen_get_phy_jabber(config_word) \
281 _netxen_crb_get_bit(config_word, 0)
282 #define netxen_get_phy_polarity(config_word) \
283 _netxen_crb_get_bit(config_word, 1)
284 #define netxen_get_phy_recvpause(config_word) \
285 _netxen_crb_get_bit(config_word, 2)
286 #define netxen_get_phy_xmitpause(config_word) \
287 _netxen_crb_get_bit(config_word, 3)
288 #define netxen_get_phy_energydetect(config_word) \
289 _netxen_crb_get_bit(config_word, 4)
290 #define netxen_get_phy_downshift(config_word) \
291 _netxen_crb_get_bit(config_word, 5)
292 #define netxen_get_phy_crossover(config_word) \
293 _netxen_crb_get_bit(config_word, 6)
294 #define netxen_get_phy_link(config_word) \
295 _netxen_crb_get_bit(config_word, 10)
296 #define netxen_get_phy_resolved(config_word) \
297 _netxen_crb_get_bit(config_word, 11)
298 #define netxen_get_phy_pagercvd(config_word) \
299 _netxen_crb_get_bit(config_word, 12)
300 #define netxen_get_phy_duplex(config_word) \
301 _netxen_crb_get_bit(config_word, 13)
304 * Interrupt Register definition
305 * This definition applies to registers 18 and 19 (int enable and int status).
307 * Bit 1 : polarity_changed
308 * Bit 4 : energy_detect
310 * Bit 6 : mdi_xover_changed
311 * Bit 7 : fifo_over_underflow
312 * Bit 8 : false_carrier
313 * Bit 9 : symbol_error
314 * Bit 10: link_status_changed
315 * Bit 11: autoneg_completed
316 * Bit 12: page_received
317 * Bit 13: duplex_changed
318 * Bit 14: speed_changed
319 * Bit 15: autoneg_error
322 #define netxen_get_phy_int_jabber(config_word) \
323 _netxen_crb_get_bit(config_word, 0)
324 #define netxen_get_phy_int_polarity_changed(config_word) \
325 _netxen_crb_get_bit(config_word, 1)
326 #define netxen_get_phy_int_energy_detect(config_word) \
327 _netxen_crb_get_bit(config_word, 4)
328 #define netxen_get_phy_int_downshift(config_word) \
329 _netxen_crb_get_bit(config_word, 5)
330 #define netxen_get_phy_int_mdi_xover_changed(config_word) \
331 _netxen_crb_get_bit(config_word, 6)
332 #define netxen_get_phy_int_fifo_over_underflow(config_word) \
333 _netxen_crb_get_bit(config_word, 7)
334 #define netxen_get_phy_int_false_carrier(config_word) \
335 _netxen_crb_get_bit(config_word, 8)
336 #define netxen_get_phy_int_symbol_error(config_word) \
337 _netxen_crb_get_bit(config_word, 9)
338 #define netxen_get_phy_int_link_status_changed(config_word) \
339 _netxen_crb_get_bit(config_word, 10)
340 #define netxen_get_phy_int_autoneg_completed(config_word) \
341 _netxen_crb_get_bit(config_word, 11)
342 #define netxen_get_phy_int_page_received(config_word) \
343 _netxen_crb_get_bit(config_word, 12)
344 #define netxen_get_phy_int_duplex_changed(config_word) \
345 _netxen_crb_get_bit(config_word, 13)
346 #define netxen_get_phy_int_speed_changed(config_word) \
347 _netxen_crb_get_bit(config_word, 14)
348 #define netxen_get_phy_int_autoneg_error(config_word) \
349 _netxen_crb_get_bit(config_word, 15)
351 #define netxen_set_phy_int_link_status_changed(config_word) \
352 ((config_word) |= 1 << 10)
353 #define netxen_set_phy_int_autoneg_completed(config_word) \
354 ((config_word) |= 1 << 11)
355 #define netxen_set_phy_int_speed_changed(config_word) \
356 ((config_word) |= 1 << 14)
360 * Bit 0 : enable FibreChannel
361 * Bit 1 : enable 10/100/1000 Ethernet
362 * Bit 2 : enable 10Gb Ethernet
365 #define netxen_get_niu_enable_ge(config_word) \
366 _netxen_crb_get_bit(config_word, 1)
368 #define NETXEN_NIU_NON_PROMISC_MODE 0
369 #define NETXEN_NIU_PROMISC_MODE 1
370 #define NETXEN_NIU_ALLMULTI_MODE 2
373 * NIU GB Drop CRC Register
375 * Bit 0 : drop_gb0 => 1:drop pkts with bad CRCs, 0:pass them on
376 * Bit 1 : drop_gb1 => 1:drop pkts with bad CRCs, 0:pass them on
377 * Bit 2 : drop_gb2 => 1:drop pkts with bad CRCs, 0:pass them on
378 * Bit 3 : drop_gb3 => 1:drop pkts with bad CRCs, 0:pass them on
381 #define netxen_set_gb_drop_gb0(config_word) \
382 ((config_word) |= 1 << 0)
383 #define netxen_set_gb_drop_gb1(config_word) \
384 ((config_word) |= 1 << 1)
385 #define netxen_set_gb_drop_gb2(config_word) \
386 ((config_word) |= 1 << 2)
387 #define netxen_set_gb_drop_gb3(config_word) \
388 ((config_word) |= 1 << 3)
390 #define netxen_clear_gb_drop_gb0(config_word) \
391 ((config_word) &= ~(1 << 0))
392 #define netxen_clear_gb_drop_gb1(config_word) \
393 ((config_word) &= ~(1 << 1))
394 #define netxen_clear_gb_drop_gb2(config_word) \
395 ((config_word) &= ~(1 << 2))
396 #define netxen_clear_gb_drop_gb3(config_word) \
397 ((config_word) &= ~(1 << 3))
400 * NIU XG MAC Config Register
402 * Bit 0 : tx_enable => 1:enable frame xmit, 0:disable
403 * Bit 2 : rx_enable => 1:enable frame recv, 0:disable
404 * Bit 4 : soft_reset => 1:reset the MAC , 0:no-op
405 * Bit 27: xaui_framer_reset
406 * Bit 28: xaui_rx_reset
407 * Bit 29: xaui_tx_reset
408 * Bit 30: xg_ingress_afifo_reset
409 * Bit 31: xg_egress_afifo_reset
412 #define netxen_xg_soft_reset(config_word) \
413 ((config_word) |= 1 << 4)
415 /* Set promiscuous mode for a GbE interface */
416 int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter,
418 int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
421 /* set the MAC address for a given MAC */
422 int netxen_niu_macaddr_set(struct netxen_adapter *adapter,
423 netxen_ethernet_macaddr_t addr);
426 int netxen_niu_xg_macaddr_set(struct netxen_adapter *adapter,
427 netxen_ethernet_macaddr_t addr);
429 /* Generic enable for GbE ports. Will detect the speed of the link. */
430 int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port);
432 int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port);
434 /* Disable a GbE interface */
435 int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter);
437 int netxen_niu_disable_xg_port(struct netxen_adapter *adapter);
444 } crb_128M_2M_sub_block_map_t;
447 crb_128M_2M_sub_block_map_t sub_block[16];
448 } crb_128M_2M_block_map_t;
450 #endif /* __NETXEN_NIC_HW_H_ */