1 /* bnx2x_init.h: Broadcom Everest network driver.
3 * Copyright (c) 2007-2008 Broadcom Corporation
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
20 #define INIT_EMULATION 0x1
23 #define INIT_HARDWARE 0x7
25 #define STORM_INTMEM_SIZE (0x5800 / 4)
26 #define TSTORM_INTMEM_ADDR 0x1a0000
27 #define CSTORM_INTMEM_ADDR 0x220000
28 #define XSTORM_INTMEM_ADDR 0x2a0000
29 #define USTORM_INTMEM_ADDR 0x320000
32 /* Init operation types and structures */
34 #define OP_RD 0x1 /* read single register */
35 #define OP_WR 0x2 /* write single register */
36 #define OP_IW 0x3 /* write single register using mailbox */
37 #define OP_SW 0x4 /* copy a string to the device */
38 #define OP_SI 0x5 /* copy a string using mailbox */
39 #define OP_ZR 0x6 /* clear memory */
40 #define OP_ZP 0x7 /* unzip then copy with DMAE */
41 #define OP_WB 0x8 /* copy a string using DMAE */
61 struct op_string_write
{
64 #ifdef __LITTLE_ENDIAN
67 #else /* __BIG_ENDIAN */
81 struct op_write write
;
82 struct op_string_write str_wr
;
87 #include "bnx2x_init_values.h"
89 static void bnx2x_reg_wr_ind(struct bnx2x
*bp
, u32 addr
, u32 val
);
91 static void bnx2x_write_dmae(struct bnx2x
*bp
, dma_addr_t dma_addr
,
92 u32 dst_addr
, u32 len32
);
94 static int bnx2x_gunzip(struct bnx2x
*bp
, u8
*zbuf
, int len
);
96 static void bnx2x_init_str_wr(struct bnx2x
*bp
, u32 addr
, const u32
*data
,
101 for (i
= 0; i
< len
; i
++) {
102 REG_WR(bp
, addr
+ i
*4, data
[i
]);
104 touch_softlockup_watchdog();
110 #define INIT_MEM_WR(reg, data, reg_off, len) \
111 bnx2x_init_str_wr(bp, reg + reg_off*4, data, len)
113 static void bnx2x_init_ind_wr(struct bnx2x
*bp
, u32 addr
, const u32
*data
,
118 for (i
= 0; i
< len
; i
++) {
119 REG_WR_IND(bp
, addr
+ i
*4, data
[i
]);
121 touch_softlockup_watchdog();
127 static void bnx2x_init_wr_wb(struct bnx2x
*bp
, u32 addr
, const u32
*data
,
138 temp
= kmalloc(len
, GFP_KERNEL
);
139 size
= (len
/ 4) + ((len
% 4) ? 1 : 0);
140 for (i
= 0; i
< size
; i
++)
141 temp
[i
] = swab32(data
[i
]);
144 rc
= bnx2x_gunzip(bp
, (u8
*)data
, len
);
146 DP(NETIF_MSG_HW
, "gunzip failed ! rc %d\n", rc
);
149 len
= bp
->gunzip_outlen
;
152 for (i
= 0; i
< len
; i
++)
153 ((u32
*)bp
->gunzip_buf
)[i
] =
154 swab32(((u32
*)bp
->gunzip_buf
)[i
]);
157 if ((len
* 4) > FW_BUF_SIZE
) {
158 BNX2X_ERR("LARGE DMAE OPERATION ! len 0x%x\n", len
*4);
161 memcpy(bp
->gunzip_buf
, data
, len
* 4);
164 while (len
> DMAE_LEN32_MAX
) {
165 bnx2x_write_dmae(bp
, bp
->gunzip_mapping
+ offset
,
166 addr
+ offset
, DMAE_LEN32_MAX
);
167 offset
+= DMAE_LEN32_MAX
* 4;
168 len
-= DMAE_LEN32_MAX
;
170 bnx2x_write_dmae(bp
, bp
->gunzip_mapping
+ offset
, addr
+ offset
, len
);
173 #define INIT_MEM_WB(reg, data, reg_off, len) \
174 bnx2x_init_wr_wb(bp, reg + reg_off*4, data, len, 0)
176 #define INIT_GUNZIP_DMAE(reg, data, reg_off, len) \
177 bnx2x_init_wr_wb(bp, reg + reg_off*4, data, len, 1)
179 static void bnx2x_init_fill(struct bnx2x
*bp
, u32 addr
, int fill
, u32 len
)
183 if ((len
* 4) > FW_BUF_SIZE
) {
184 BNX2X_ERR("LARGE DMAE OPERATION ! len 0x%x\n", len
* 4);
187 memset(bp
->gunzip_buf
, fill
, len
* 4);
189 while (len
> DMAE_LEN32_MAX
) {
190 bnx2x_write_dmae(bp
, bp
->gunzip_mapping
+ offset
,
191 addr
+ offset
, DMAE_LEN32_MAX
);
192 offset
+= DMAE_LEN32_MAX
* 4;
193 len
-= DMAE_LEN32_MAX
;
195 bnx2x_write_dmae(bp
, bp
->gunzip_mapping
+ offset
, addr
+ offset
, len
);
198 static void bnx2x_init_block(struct bnx2x
*bp
, u32 op_start
, u32 op_end
)
202 u32 op_type
, addr
, len
;
205 for (i
= op_start
; i
< op_end
; i
++) {
207 op
= (union init_op
*)&(init_ops
[i
]);
209 op_type
= op
->str_wr
.op
;
210 addr
= op
->str_wr
.offset
;
211 len
= op
->str_wr
.data_len
;
212 data
= init_data
+ op
->str_wr
.data_off
;
219 REG_WR(bp
, addr
, op
->write
.val
);
222 bnx2x_init_str_wr(bp
, addr
, data
, len
);
225 bnx2x_init_wr_wb(bp
, addr
, data
, len
, 0);
228 bnx2x_init_ind_wr(bp
, addr
, data
, len
);
231 bnx2x_init_fill(bp
, addr
, 0, op
->zero
.len
);
234 bnx2x_init_wr_wb(bp
, addr
, data
, len
, 1);
237 BNX2X_ERR("BAD init operation!\n");
243 /****************************************************************************
245 ****************************************************************************/
247 * This code configures the PCI read/write arbiter
248 * which implements a wighted round robin
249 * between the virtual queues in the chip.
251 * The values were derived for each PCI max payload and max request size.
252 * since max payload and max request size are only known at run time,
253 * this is done as a separate init stage.
261 /* configuration for one arbiter queue */
268 /* derived configuration for each read queue for each max request size */
269 static const struct arb_line read_arb_data
[NUM_RD_Q
][MAX_RD_ORD
+ 1] = {
270 {{8 , 64 , 25}, {16 , 64 , 25}, {32 , 64 , 25}, {64 , 64 , 41} },
271 {{4 , 8 , 4}, {4 , 8 , 4}, {4 , 8 , 4}, {4 , 8 , 4} },
272 {{4 , 3 , 3}, {4 , 3 , 3}, {4 , 3 , 3}, {4 , 3 , 3} },
273 {{8 , 3 , 6}, {16 , 3 , 11}, {16 , 3 , 11}, {16 , 3 , 11} },
274 {{8 , 64 , 25}, {16 , 64 , 25}, {32 , 64 , 25}, {64 , 64 , 41} },
275 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {64 , 3 , 41} },
276 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {64 , 3 , 41} },
277 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {64 , 3 , 41} },
278 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {64 , 3 , 41} },
279 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
280 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
281 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
282 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
283 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
284 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
285 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
286 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
287 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
288 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
289 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
290 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
291 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
292 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
293 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
294 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
295 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
296 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
297 {{8 , 3 , 6}, {16 , 3 , 11}, {32 , 3 , 21}, {32 , 3 , 21} },
298 {{8 , 64 , 25}, {16 , 64 , 41}, {32 , 64 , 81}, {64 , 64 , 120} }
301 /* derived configuration for each write queue for each max request size */
302 static const struct arb_line write_arb_data
[NUM_WR_Q
][MAX_WR_ORD
+ 1] = {
303 {{4 , 6 , 3}, {4 , 6 , 3}, {4 , 6 , 3} },
304 {{4 , 2 , 3}, {4 , 2 , 3}, {4 , 2 , 3} },
305 {{8 , 2 , 6}, {16 , 2 , 11}, {16 , 2 , 11} },
306 {{8 , 2 , 6}, {16 , 2 , 11}, {32 , 2 , 21} },
307 {{8 , 2 , 6}, {16 , 2 , 11}, {32 , 2 , 21} },
308 {{8 , 2 , 6}, {16 , 2 , 11}, {32 , 2 , 21} },
309 {{8 , 64 , 25}, {16 , 64 , 25}, {32 , 64 , 25} },
310 {{8 , 2 , 6}, {16 , 2 , 11}, {16 , 2 , 11} },
311 {{8 , 2 , 6}, {16 , 2 , 11}, {16 , 2 , 11} },
312 {{8 , 9 , 6}, {16 , 9 , 11}, {32 , 9 , 21} },
313 {{8 , 47 , 19}, {16 , 47 , 19}, {32 , 47 , 21} },
314 {{8 , 9 , 6}, {16 , 9 , 11}, {16 , 9 , 11} },
315 {{8 , 64 , 25}, {16 , 64 , 41}, {32 , 64 , 81} }
318 /* register adresses for read queues */
319 static const struct arb_line read_arb_addr
[NUM_RD_Q
-1] = {
320 {PXP2_REG_RQ_BW_RD_L0
, PXP2_REG_RQ_BW_RD_ADD0
,
321 PXP2_REG_RQ_BW_RD_UBOUND0
},
322 {PXP2_REG_PSWRQ_BW_L1
, PXP2_REG_PSWRQ_BW_ADD1
,
323 PXP2_REG_PSWRQ_BW_UB1
},
324 {PXP2_REG_PSWRQ_BW_L2
, PXP2_REG_PSWRQ_BW_ADD2
,
325 PXP2_REG_PSWRQ_BW_UB2
},
326 {PXP2_REG_PSWRQ_BW_L3
, PXP2_REG_PSWRQ_BW_ADD3
,
327 PXP2_REG_PSWRQ_BW_UB3
},
328 {PXP2_REG_RQ_BW_RD_L4
, PXP2_REG_RQ_BW_RD_ADD4
,
329 PXP2_REG_RQ_BW_RD_UBOUND4
},
330 {PXP2_REG_RQ_BW_RD_L5
, PXP2_REG_RQ_BW_RD_ADD5
,
331 PXP2_REG_RQ_BW_RD_UBOUND5
},
332 {PXP2_REG_PSWRQ_BW_L6
, PXP2_REG_PSWRQ_BW_ADD6
,
333 PXP2_REG_PSWRQ_BW_UB6
},
334 {PXP2_REG_PSWRQ_BW_L7
, PXP2_REG_PSWRQ_BW_ADD7
,
335 PXP2_REG_PSWRQ_BW_UB7
},
336 {PXP2_REG_PSWRQ_BW_L8
, PXP2_REG_PSWRQ_BW_ADD8
,
337 PXP2_REG_PSWRQ_BW_UB8
},
338 {PXP2_REG_PSWRQ_BW_L9
, PXP2_REG_PSWRQ_BW_ADD9
,
339 PXP2_REG_PSWRQ_BW_UB9
},
340 {PXP2_REG_PSWRQ_BW_L10
, PXP2_REG_PSWRQ_BW_ADD10
,
341 PXP2_REG_PSWRQ_BW_UB10
},
342 {PXP2_REG_PSWRQ_BW_L11
, PXP2_REG_PSWRQ_BW_ADD11
,
343 PXP2_REG_PSWRQ_BW_UB11
},
344 {PXP2_REG_RQ_BW_RD_L12
, PXP2_REG_RQ_BW_RD_ADD12
,
345 PXP2_REG_RQ_BW_RD_UBOUND12
},
346 {PXP2_REG_RQ_BW_RD_L13
, PXP2_REG_RQ_BW_RD_ADD13
,
347 PXP2_REG_RQ_BW_RD_UBOUND13
},
348 {PXP2_REG_RQ_BW_RD_L14
, PXP2_REG_RQ_BW_RD_ADD14
,
349 PXP2_REG_RQ_BW_RD_UBOUND14
},
350 {PXP2_REG_RQ_BW_RD_L15
, PXP2_REG_RQ_BW_RD_ADD15
,
351 PXP2_REG_RQ_BW_RD_UBOUND15
},
352 {PXP2_REG_RQ_BW_RD_L16
, PXP2_REG_RQ_BW_RD_ADD16
,
353 PXP2_REG_RQ_BW_RD_UBOUND16
},
354 {PXP2_REG_RQ_BW_RD_L17
, PXP2_REG_RQ_BW_RD_ADD17
,
355 PXP2_REG_RQ_BW_RD_UBOUND17
},
356 {PXP2_REG_RQ_BW_RD_L18
, PXP2_REG_RQ_BW_RD_ADD18
,
357 PXP2_REG_RQ_BW_RD_UBOUND18
},
358 {PXP2_REG_RQ_BW_RD_L19
, PXP2_REG_RQ_BW_RD_ADD19
,
359 PXP2_REG_RQ_BW_RD_UBOUND19
},
360 {PXP2_REG_RQ_BW_RD_L20
, PXP2_REG_RQ_BW_RD_ADD20
,
361 PXP2_REG_RQ_BW_RD_UBOUND20
},
362 {PXP2_REG_RQ_BW_RD_L22
, PXP2_REG_RQ_BW_RD_ADD22
,
363 PXP2_REG_RQ_BW_RD_UBOUND22
},
364 {PXP2_REG_RQ_BW_RD_L23
, PXP2_REG_RQ_BW_RD_ADD23
,
365 PXP2_REG_RQ_BW_RD_UBOUND23
},
366 {PXP2_REG_RQ_BW_RD_L24
, PXP2_REG_RQ_BW_RD_ADD24
,
367 PXP2_REG_RQ_BW_RD_UBOUND24
},
368 {PXP2_REG_RQ_BW_RD_L25
, PXP2_REG_RQ_BW_RD_ADD25
,
369 PXP2_REG_RQ_BW_RD_UBOUND25
},
370 {PXP2_REG_RQ_BW_RD_L26
, PXP2_REG_RQ_BW_RD_ADD26
,
371 PXP2_REG_RQ_BW_RD_UBOUND26
},
372 {PXP2_REG_RQ_BW_RD_L27
, PXP2_REG_RQ_BW_RD_ADD27
,
373 PXP2_REG_RQ_BW_RD_UBOUND27
},
374 {PXP2_REG_PSWRQ_BW_L28
, PXP2_REG_PSWRQ_BW_ADD28
,
375 PXP2_REG_PSWRQ_BW_UB28
}
378 /* register adresses for wrtie queues */
379 static const struct arb_line write_arb_addr
[NUM_WR_Q
-1] = {
380 {PXP2_REG_PSWRQ_BW_L1
, PXP2_REG_PSWRQ_BW_ADD1
,
381 PXP2_REG_PSWRQ_BW_UB1
},
382 {PXP2_REG_PSWRQ_BW_L2
, PXP2_REG_PSWRQ_BW_ADD2
,
383 PXP2_REG_PSWRQ_BW_UB2
},
384 {PXP2_REG_PSWRQ_BW_L3
, PXP2_REG_PSWRQ_BW_ADD3
,
385 PXP2_REG_PSWRQ_BW_UB3
},
386 {PXP2_REG_PSWRQ_BW_L6
, PXP2_REG_PSWRQ_BW_ADD6
,
387 PXP2_REG_PSWRQ_BW_UB6
},
388 {PXP2_REG_PSWRQ_BW_L7
, PXP2_REG_PSWRQ_BW_ADD7
,
389 PXP2_REG_PSWRQ_BW_UB7
},
390 {PXP2_REG_PSWRQ_BW_L8
, PXP2_REG_PSWRQ_BW_ADD8
,
391 PXP2_REG_PSWRQ_BW_UB8
},
392 {PXP2_REG_PSWRQ_BW_L9
, PXP2_REG_PSWRQ_BW_ADD9
,
393 PXP2_REG_PSWRQ_BW_UB9
},
394 {PXP2_REG_PSWRQ_BW_L10
, PXP2_REG_PSWRQ_BW_ADD10
,
395 PXP2_REG_PSWRQ_BW_UB10
},
396 {PXP2_REG_PSWRQ_BW_L11
, PXP2_REG_PSWRQ_BW_ADD11
,
397 PXP2_REG_PSWRQ_BW_UB11
},
398 {PXP2_REG_PSWRQ_BW_L28
, PXP2_REG_PSWRQ_BW_ADD28
,
399 PXP2_REG_PSWRQ_BW_UB28
},
400 {PXP2_REG_RQ_BW_WR_L29
, PXP2_REG_RQ_BW_WR_ADD29
,
401 PXP2_REG_RQ_BW_WR_UBOUND29
},
402 {PXP2_REG_RQ_BW_WR_L30
, PXP2_REG_RQ_BW_WR_ADD30
,
403 PXP2_REG_RQ_BW_WR_UBOUND30
}
406 static void bnx2x_init_pxp(struct bnx2x
*bp
)
408 int r_order
, w_order
;
411 pci_read_config_word(bp
->pdev
,
412 bp
->pcie_cap
+ PCI_EXP_DEVCTL
, (u16
*)&val
);
413 DP(NETIF_MSG_HW
, "read 0x%x from devctl\n", (u16
)val
);
414 w_order
= ((val
& PCI_EXP_DEVCTL_PAYLOAD
) >> 5);
415 r_order
= ((val
& PCI_EXP_DEVCTL_READRQ
) >> 12);
417 if (r_order
> MAX_RD_ORD
) {
418 DP(NETIF_MSG_HW
, "read order of %d order adjusted to %d\n",
419 r_order
, MAX_RD_ORD
);
420 r_order
= MAX_RD_ORD
;
422 if (w_order
> MAX_WR_ORD
) {
423 DP(NETIF_MSG_HW
, "write order of %d order adjusted to %d\n",
424 w_order
, MAX_WR_ORD
);
425 w_order
= MAX_WR_ORD
;
427 DP(NETIF_MSG_HW
, "read order %d write order %d\n", r_order
, w_order
);
429 for (i
= 0; i
< NUM_RD_Q
-1; i
++) {
430 REG_WR(bp
, read_arb_addr
[i
].l
, read_arb_data
[i
][r_order
].l
);
431 REG_WR(bp
, read_arb_addr
[i
].add
,
432 read_arb_data
[i
][r_order
].add
);
433 REG_WR(bp
, read_arb_addr
[i
].ubound
,
434 read_arb_data
[i
][r_order
].ubound
);
437 for (i
= 0; i
< NUM_WR_Q
-1; i
++) {
438 if ((write_arb_addr
[i
].l
== PXP2_REG_RQ_BW_WR_L29
) ||
439 (write_arb_addr
[i
].l
== PXP2_REG_RQ_BW_WR_L30
)) {
441 REG_WR(bp
, write_arb_addr
[i
].l
,
442 write_arb_data
[i
][w_order
].l
);
444 REG_WR(bp
, write_arb_addr
[i
].add
,
445 write_arb_data
[i
][w_order
].add
);
447 REG_WR(bp
, write_arb_addr
[i
].ubound
,
448 write_arb_data
[i
][w_order
].ubound
);
451 val
= REG_RD(bp
, write_arb_addr
[i
].l
);
452 REG_WR(bp
, write_arb_addr
[i
].l
,
453 val
| (write_arb_data
[i
][w_order
].l
<< 10));
455 val
= REG_RD(bp
, write_arb_addr
[i
].add
);
456 REG_WR(bp
, write_arb_addr
[i
].add
,
457 val
| (write_arb_data
[i
][w_order
].add
<< 10));
459 val
= REG_RD(bp
, write_arb_addr
[i
].ubound
);
460 REG_WR(bp
, write_arb_addr
[i
].ubound
,
461 val
| (write_arb_data
[i
][w_order
].ubound
<< 7));
465 val
= write_arb_data
[NUM_WR_Q
-1][w_order
].add
;
466 val
+= write_arb_data
[NUM_WR_Q
-1][w_order
].ubound
<< 10;
467 val
+= write_arb_data
[NUM_WR_Q
-1][w_order
].l
<< 17;
468 REG_WR(bp
, PXP2_REG_PSWRQ_BW_RD
, val
);
470 val
= read_arb_data
[NUM_RD_Q
-1][r_order
].add
;
471 val
+= read_arb_data
[NUM_RD_Q
-1][r_order
].ubound
<< 10;
472 val
+= read_arb_data
[NUM_RD_Q
-1][r_order
].l
<< 17;
473 REG_WR(bp
, PXP2_REG_PSWRQ_BW_WR
, val
);
475 REG_WR(bp
, PXP2_REG_RQ_WR_MBS0
, w_order
);
476 REG_WR(bp
, PXP2_REG_RQ_WR_MBS1
, w_order
);
477 REG_WR(bp
, PXP2_REG_RQ_RD_MBS0
, r_order
);
478 REG_WR(bp
, PXP2_REG_RQ_RD_MBS1
, r_order
);
480 if (r_order
== MAX_RD_ORD
)
481 REG_WR(bp
, PXP2_REG_RQ_PDR_LIMIT
, 0xe00);
483 REG_WR(bp
, PXP2_REG_WR_USDMDP_TH
, (0x18 << w_order
));
484 REG_WR(bp
, PXP2_REG_WR_DMAE_TH
, (128 << w_order
)/16);
488 /****************************************************************************
490 ****************************************************************************/
492 #define CDU_REGION_NUMBER_XCM_AG 2
493 #define CDU_REGION_NUMBER_UCM_AG 4
496 * String-to-compress [31:8] = CID (all 24 bits)
497 * String-to-compress [7:4] = Region
498 * String-to-compress [3:0] = Type
500 #define CDU_VALID_DATA(_cid, _region, _type) \
501 (((_cid) << 8) | (((_region) & 0xf) << 4) | (((_type) & 0xf)))
502 #define CDU_CRC8(_cid, _region, _type) \
503 calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff)
504 #define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type) \
505 (0x80 | (CDU_CRC8(_cid, _region, _type) & 0x7f))
506 #define CDU_RSRVD_VALUE_TYPE_B(_crc, _type) \
507 (0x80 | ((_type) & 0xf << 3) | (CDU_CRC8(_cid, _region, _type) & 0x7))
508 #define CDU_RSRVD_INVALIDATE_CONTEXT_VALUE(_val) ((_val) & ~0x80)
510 /*****************************************************************************
512 * Calculates crc 8 on a word value: polynomial 0-1-2-8
513 * Code was translated from Verilog.
514 ****************************************************************************/
515 static u8
calc_crc8(u32 data
, u8 crc
)
523 /* split the data into 31 bits */
524 for (i
= 0; i
< 32; i
++) {
529 /* split the crc into 8 bits */
530 for (i
= 0; i
< 8; i
++) {
535 NewCRC
[0] = D
[31] ^ D
[30] ^ D
[28] ^ D
[23] ^ D
[21] ^ D
[19] ^ D
[18] ^
536 D
[16] ^ D
[14] ^ D
[12] ^ D
[8] ^ D
[7] ^ D
[6] ^ D
[0] ^ C
[4] ^
538 NewCRC
[1] = D
[30] ^ D
[29] ^ D
[28] ^ D
[24] ^ D
[23] ^ D
[22] ^ D
[21] ^
539 D
[20] ^ D
[18] ^ D
[17] ^ D
[16] ^ D
[15] ^ D
[14] ^ D
[13] ^
540 D
[12] ^ D
[9] ^ D
[6] ^ D
[1] ^ D
[0] ^ C
[0] ^ C
[4] ^ C
[5] ^ C
[6];
541 NewCRC
[2] = D
[29] ^ D
[28] ^ D
[25] ^ D
[24] ^ D
[22] ^ D
[17] ^ D
[15] ^
542 D
[13] ^ D
[12] ^ D
[10] ^ D
[8] ^ D
[6] ^ D
[2] ^ D
[1] ^ D
[0] ^
543 C
[0] ^ C
[1] ^ C
[4] ^ C
[5];
544 NewCRC
[3] = D
[30] ^ D
[29] ^ D
[26] ^ D
[25] ^ D
[23] ^ D
[18] ^ D
[16] ^
545 D
[14] ^ D
[13] ^ D
[11] ^ D
[9] ^ D
[7] ^ D
[3] ^ D
[2] ^ D
[1] ^
546 C
[1] ^ C
[2] ^ C
[5] ^ C
[6];
547 NewCRC
[4] = D
[31] ^ D
[30] ^ D
[27] ^ D
[26] ^ D
[24] ^ D
[19] ^ D
[17] ^
548 D
[15] ^ D
[14] ^ D
[12] ^ D
[10] ^ D
[8] ^ D
[4] ^ D
[3] ^ D
[2] ^
549 C
[0] ^ C
[2] ^ C
[3] ^ C
[6] ^ C
[7];
550 NewCRC
[5] = D
[31] ^ D
[28] ^ D
[27] ^ D
[25] ^ D
[20] ^ D
[18] ^ D
[16] ^
551 D
[15] ^ D
[13] ^ D
[11] ^ D
[9] ^ D
[5] ^ D
[4] ^ D
[3] ^ C
[1] ^
553 NewCRC
[6] = D
[29] ^ D
[28] ^ D
[26] ^ D
[21] ^ D
[19] ^ D
[17] ^ D
[16] ^
554 D
[14] ^ D
[12] ^ D
[10] ^ D
[6] ^ D
[5] ^ D
[4] ^ C
[2] ^ C
[4] ^
556 NewCRC
[7] = D
[30] ^ D
[29] ^ D
[27] ^ D
[22] ^ D
[20] ^ D
[18] ^ D
[17] ^
557 D
[15] ^ D
[13] ^ D
[11] ^ D
[7] ^ D
[6] ^ D
[5] ^ C
[3] ^ C
[5] ^
561 for (i
= 0; i
< 8; i
++)
562 crc_res
|= (NewCRC
[i
] << i
);
568 #endif /* BNX2X_INIT_H */