2 /**************************************************************************
4 Copyright (c) 2007, Chelsio Inc.
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
10 1. Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
13 2. Neither the name of the Chelsio Corporation nor the names of its
14 contributors may be used to endorse or promote products derived from
15 this software without specific prior written permission.
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 POSSIBILITY OF SUCH DAMAGE.
29 ***************************************************************************/
31 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: cxgb_vsc7323.c,v 1.2 2007/12/11 11:25:50 lukem Exp $");
36 __FBSDID("$FreeBSD: src/sys/dev/cxgb/common/cxgb_vsc7323.c,v 1.3 2007/09/09 01:28:03 kmacy Exp $");
40 #include <common/cxgb_common.h>
43 #include <dev/cxgb/common/cxgb_common.h>
46 #include "cxgb_common.h"
58 ELMR_FIFO_SZ
= 0xe00d,
64 #define VSC_REG(block, subblock, reg) \
65 ((reg) | ((subblock) << 8) | ((block) << 12))
67 int t3_elmr_blk_write(adapter_t
*adap
, int start
, const u32
*vals
, int n
)
70 const struct mdio_ops
*mo
= adapter_info(adap
)->mdio_ops
;
73 ret
= mo
->write(adap
, ELMR_MDIO_ADDR
, 0, ELMR_ADDR
, start
);
74 for ( ; !ret
&& n
; n
--, vals
++) {
75 ret
= mo
->write(adap
, ELMR_MDIO_ADDR
, 0, ELMR_DATA_LO
,
78 ret
= mo
->write(adap
, ELMR_MDIO_ADDR
, 0, ELMR_DATA_HI
,
85 static int elmr_write(adapter_t
*adap
, int addr
, u32 val
)
87 return t3_elmr_blk_write(adap
, addr
, &val
, 1);
90 int t3_elmr_blk_read(adapter_t
*adap
, int start
, u32
*vals
, int n
)
94 const struct mdio_ops
*mo
= adapter_info(adap
)->mdio_ops
;
98 ret
= mo
->write(adap
, ELMR_MDIO_ADDR
, 0, ELMR_ADDR
, start
);
102 for (i
= 0; i
< 5; i
++) {
103 ret
= mo
->read(adap
, ELMR_MDIO_ADDR
, 0, ELMR_STAT
, &v
);
115 for ( ; !ret
&& n
; n
--, vals
++) {
116 ret
= mo
->read(adap
, ELMR_MDIO_ADDR
, 0, ELMR_DATA_LO
, vals
);
118 ret
= mo
->read(adap
, ELMR_MDIO_ADDR
, 0, ELMR_DATA_HI
,
123 out
: ELMR_UNLOCK(adap
);
127 int t3_vsc7323_init(adapter_t
*adap
, int nports
)
129 static struct addr_val_pair sys_avp
[] = {
130 { VSC_REG(7, 15, 0xf), 2 },
131 { VSC_REG(7, 15, 0x19), 0xd6 },
132 { VSC_REG(7, 15, 7), 0xc },
133 { VSC_REG(7, 1, 0), 0x220 },
135 static struct addr_val_pair fifo_avp
[] = {
136 { VSC_REG(2, 0, 0x2f), 0 },
137 { VSC_REG(2, 0, 0xf), 0xa0010291 },
138 { VSC_REG(2, 1, 0x2f), 1 },
139 { VSC_REG(2, 1, 0xf), 0xa026301 }
141 static struct addr_val_pair xg_avp
[] = {
142 { VSC_REG(1, 10, 0), 0x600b },
143 { VSC_REG(1, 10, 1), 0x70600 }, //QUANTA = 96*1024*8/512
144 { VSC_REG(1, 10, 2), 0x2710 },
145 { VSC_REG(1, 10, 5), 0x65 },
146 { VSC_REG(1, 10, 7), 0x23 },
147 { VSC_REG(1, 10, 0x23), 0x800007bf },
148 { VSC_REG(1, 10, 0x23), 0x000007bf },
149 { VSC_REG(1, 10, 0x23), 0x800007bf },
150 { VSC_REG(1, 10, 0x24), 4 }
153 int i
, ret
, ing_step
, egr_step
, ing_bot
, egr_bot
;
155 for (i
= 0; i
< ARRAY_SIZE(sys_avp
); i
++)
156 if ((ret
= t3_elmr_blk_write(adap
, sys_avp
[i
].reg_addr
,
157 &sys_avp
[i
].val
, 1)))
160 ing_step
= 0xc0 / nports
;
161 egr_step
= 0x40 / nports
;
162 ing_bot
= egr_bot
= 0;
163 // ing_wm = ing_step * 64;
164 // egr_wm = egr_step * 64;
166 /* {ING,EGR}_CONTROL.CLR = 1 here */
167 for (i
= 0; i
< nports
; i
++) {
169 (ret
= elmr_write(adap
, VSC_REG(2, 0, 0x10 + i
),
170 ((ing_bot
+ ing_step
) << 16) | ing_bot
)) ||
171 (ret
= elmr_write(adap
, VSC_REG(2, 0, 0x40 + i
),
173 (ret
= elmr_write(adap
, VSC_REG(2, 0, 0x50 + i
), 1)) ||
174 (ret
= elmr_write(adap
, VSC_REG(2, 1, 0x10 + i
),
175 ((egr_bot
+ egr_step
) << 16) | egr_bot
)) ||
176 (ret
= elmr_write(adap
, VSC_REG(2, 1, 0x40 + i
),
178 (ret
= elmr_write(adap
, VSC_REG(2, 1, 0x50 + i
), 0)))
184 for (i
= 0; i
< ARRAY_SIZE(fifo_avp
); i
++)
185 if ((ret
= t3_elmr_blk_write(adap
, fifo_avp
[i
].reg_addr
,
186 &fifo_avp
[i
].val
, 1)))
189 for (i
= 0; i
< ARRAY_SIZE(xg_avp
); i
++)
190 if ((ret
= t3_elmr_blk_write(adap
, xg_avp
[i
].reg_addr
,
194 for (i
= 0; i
< nports
; i
++)
195 if ((ret
= elmr_write(adap
, VSC_REG(1, i
, 0), 0xa59c)) ||
196 (ret
= elmr_write(adap
, VSC_REG(1, i
, 5),
197 (i
<< 12) | 0x63)) ||
198 (ret
= elmr_write(adap
, VSC_REG(1, i
, 0xb), 0x96)) ||
199 (ret
= elmr_write(adap
, VSC_REG(1, i
, 0x15), 0x21)) ||
200 (ret
= elmr_write(adap
, ELMR_THRES0
+ i
, 768)))
203 if ((ret
= elmr_write(adap
, ELMR_BW
, 7)))
209 int t3_vsc7323_set_speed_fc(adapter_t
*adap
, int speed
, int fc
, int port
)
214 if (speed
== SPEED_10
)
216 else if (speed
== SPEED_100
)
218 else if (speed
== SPEED_1000
)
223 if ((r
= elmr_write(adap
, VSC_REG(1, port
, 0),
224 0xa590 | (mode
<< 2))) ||
225 (r
= elmr_write(adap
, VSC_REG(1, port
, 0xb),
226 0x91 | (clk
<< 1))) ||
227 (r
= elmr_write(adap
, VSC_REG(1, port
, 0xb),
228 0x90 | (clk
<< 1))) ||
229 (r
= elmr_write(adap
, VSC_REG(1, port
, 0),
230 0xa593 | (mode
<< 2))))
234 r
= (fc
& PAUSE_RX
) ? 0x60200 : 0x20200; //QUANTA = 32*1024*8/512
237 return elmr_write(adap
, VSC_REG(1, port
, 1), r
);
240 int t3_vsc7323_set_mtu(adapter_t
*adap
, unsigned int mtu
, int port
)
242 return elmr_write(adap
, VSC_REG(1, port
, 2), mtu
);
245 int t3_vsc7323_set_addr(adapter_t
*adap
, u8 addr
[6], int port
)
249 ret
= elmr_write(adap
, VSC_REG(1, port
, 3),
250 (addr
[0] << 16) | (addr
[1] << 8) | addr
[2]);
252 ret
= elmr_write(adap
, VSC_REG(1, port
, 4),
253 (addr
[3] << 16) | (addr
[4] << 8) | addr
[5]);
257 int t3_vsc7323_enable(adapter_t
*adap
, int port
, int which
)
260 unsigned int v
, orig
;
262 ret
= t3_elmr_blk_read(adap
, VSC_REG(1, port
, 0), &v
, 1);
265 if (which
& MAC_DIRECTION_TX
)
267 if (which
& MAC_DIRECTION_RX
)
270 ret
= elmr_write(adap
, VSC_REG(1, port
, 0), v
);
275 int t3_vsc7323_disable(adapter_t
*adap
, int port
, int which
)
278 unsigned int v
, orig
;
280 ret
= t3_elmr_blk_read(adap
, VSC_REG(1, port
, 0), &v
, 1);
283 if (which
& MAC_DIRECTION_TX
)
285 if (which
& MAC_DIRECTION_RX
)
288 ret
= elmr_write(adap
, VSC_REG(1, port
, 0), v
);
293 #define STATS0_START 1
294 #define STATS1_START 0x24
295 #define NSTATS0 (0x1d - STATS0_START + 1)
296 #define NSTATS1 (0x2a - STATS1_START + 1)
298 #define ELMR_STAT(port, reg) (ELMR_STATS + port * 0x40 + reg)
300 const struct mac_stats
*t3_vsc7323_update_stats(struct cmac
*mac
)
303 u64 rx_ucast
, tx_ucast
;
304 u32 stats0
[NSTATS0
], stats1
[NSTATS1
];
306 ret
= t3_elmr_blk_read(mac
->adapter
,
307 ELMR_STAT(mac
->ext_port
, STATS0_START
),
310 ret
= t3_elmr_blk_read(mac
->adapter
,
311 ELMR_STAT(mac
->ext_port
, STATS1_START
),
317 * HW counts Rx/Tx unicast frames but we want all the frames.
319 rx_ucast
= mac
->stats
.rx_frames
- mac
->stats
.rx_mcast_frames
-
320 mac
->stats
.rx_bcast_frames
;
321 rx_ucast
+= (u64
)(stats0
[6 - STATS0_START
] - (u32
)rx_ucast
);
322 tx_ucast
= mac
->stats
.tx_frames
- mac
->stats
.tx_mcast_frames
-
323 mac
->stats
.tx_bcast_frames
;
324 tx_ucast
+= (u64
)(stats0
[27 - STATS0_START
] - (u32
)tx_ucast
);
326 #define RMON_UPDATE(mac, name, hw_stat) \
327 mac->stats.name += (u64)((hw_stat) - (u32)(mac->stats.name))
329 RMON_UPDATE(mac
, rx_octets
, stats0
[4 - STATS0_START
]);
330 RMON_UPDATE(mac
, rx_frames
, stats0
[6 - STATS0_START
]);
331 RMON_UPDATE(mac
, rx_frames
, stats0
[7 - STATS0_START
]);
332 RMON_UPDATE(mac
, rx_frames
, stats0
[8 - STATS0_START
]);
333 RMON_UPDATE(mac
, rx_mcast_frames
, stats0
[7 - STATS0_START
]);
334 RMON_UPDATE(mac
, rx_bcast_frames
, stats0
[8 - STATS0_START
]);
335 RMON_UPDATE(mac
, rx_fcs_errs
, stats0
[9 - STATS0_START
]);
336 RMON_UPDATE(mac
, rx_pause
, stats0
[2 - STATS0_START
]);
337 RMON_UPDATE(mac
, rx_jabber
, stats0
[16 - STATS0_START
]);
338 RMON_UPDATE(mac
, rx_short
, stats0
[11 - STATS0_START
]);
339 RMON_UPDATE(mac
, rx_symbol_errs
, stats0
[1 - STATS0_START
]);
340 RMON_UPDATE(mac
, rx_too_long
, stats0
[15 - STATS0_START
]);
342 RMON_UPDATE(mac
, rx_frames_64
, stats0
[17 - STATS0_START
]);
343 RMON_UPDATE(mac
, rx_frames_65_127
, stats0
[18 - STATS0_START
]);
344 RMON_UPDATE(mac
, rx_frames_128_255
, stats0
[19 - STATS0_START
]);
345 RMON_UPDATE(mac
, rx_frames_256_511
, stats0
[20 - STATS0_START
]);
346 RMON_UPDATE(mac
, rx_frames_512_1023
, stats0
[21 - STATS0_START
]);
347 RMON_UPDATE(mac
, rx_frames_1024_1518
, stats0
[22 - STATS0_START
]);
348 RMON_UPDATE(mac
, rx_frames_1519_max
, stats0
[23 - STATS0_START
]);
350 RMON_UPDATE(mac
, tx_octets
, stats0
[26 - STATS0_START
]);
351 RMON_UPDATE(mac
, tx_frames
, stats0
[27 - STATS0_START
]);
352 RMON_UPDATE(mac
, tx_frames
, stats0
[28 - STATS0_START
]);
353 RMON_UPDATE(mac
, tx_frames
, stats0
[29 - STATS0_START
]);
354 RMON_UPDATE(mac
, tx_mcast_frames
, stats0
[28 - STATS0_START
]);
355 RMON_UPDATE(mac
, tx_bcast_frames
, stats0
[29 - STATS0_START
]);
356 RMON_UPDATE(mac
, tx_pause
, stats0
[25 - STATS0_START
]);
358 RMON_UPDATE(mac
, tx_underrun
, 0);
360 RMON_UPDATE(mac
, tx_frames_64
, stats1
[36 - STATS1_START
]);
361 RMON_UPDATE(mac
, tx_frames_65_127
, stats1
[37 - STATS1_START
]);
362 RMON_UPDATE(mac
, tx_frames_128_255
, stats1
[38 - STATS1_START
]);
363 RMON_UPDATE(mac
, tx_frames_256_511
, stats1
[39 - STATS1_START
]);
364 RMON_UPDATE(mac
, tx_frames_512_1023
, stats1
[40 - STATS1_START
]);
365 RMON_UPDATE(mac
, tx_frames_1024_1518
, stats1
[41 - STATS1_START
]);
366 RMON_UPDATE(mac
, tx_frames_1519_max
, stats1
[42 - STATS1_START
]);
370 mac
->stats
.rx_frames
= rx_ucast
+ mac
->stats
.rx_mcast_frames
+
371 mac
->stats
.rx_bcast_frames
;
372 mac
->stats
.tx_frames
= tx_ucast
+ mac
->stats
.tx_mcast_frames
+
373 mac
->stats
.tx_bcast_frames
;
374 out
: return &mac
->stats
;