1 /* bnx2x_init.h: Broadcom Everest network driver.
2  *               Structures and macroes needed during the initialization.
3  *
4  * Copyright (c) 2007-2012 Broadcom Corporation
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation.
9  *
10  * Maintained by: Eilon Greenstein <eilong@broadcom.com>
11  * Written by: Eliezer Tamir
12  * Modified by: Vladislav Zolotarov <vladz@broadcom.com>
13  */
14 
15 #ifndef BNX2X_INIT_H
16 #define BNX2X_INIT_H
17 
18 /* Init operation types and structures */
19 enum {
20 	OP_RD = 0x1,	/* read a single register */
21 	OP_WR,		/* write a single register */
22 	OP_SW,		/* copy a string to the device */
23 	OP_ZR,		/* clear memory */
24 	OP_ZP,		/* unzip then copy with DMAE */
25 	OP_WR_64,	/* write 64 bit pattern */
26 	OP_WB,		/* copy a string using DMAE */
27 	OP_WB_ZR,	/* Clear a string using DMAE or indirect-wr */
28 	/* Skip the following ops if all of the init modes don't match */
29 	OP_IF_MODE_OR,
30 	/* Skip the following ops if any of the init modes don't match */
31 	OP_IF_MODE_AND,
32 	OP_MAX
33 };
34 
35 enum {
36 	STAGE_START,
37 	STAGE_END,
38 };
39 
40 /* Returns the index of start or end of a specific block stage in ops array*/
41 #define BLOCK_OPS_IDX(block, stage, end) \
42 	(2*(((block)*NUM_OF_INIT_PHASES) + (stage)) + (end))
43 
44 
45 /* structs for the various opcodes */
46 struct raw_op {
47 	u32 op:8;
48 	u32 offset:24;
49 	u32 raw_data;
50 };
51 
52 struct op_read {
53 	u32 op:8;
54 	u32 offset:24;
55 	u32 val;
56 };
57 
58 struct op_write {
59 	u32 op:8;
60 	u32 offset:24;
61 	u32 val;
62 };
63 
64 struct op_arr_write {
65 	u32 op:8;
66 	u32 offset:24;
67 #ifdef __BIG_ENDIAN
68 	u16 data_len;
69 	u16 data_off;
70 #else /* __LITTLE_ENDIAN */
71 	u16 data_off;
72 	u16 data_len;
73 #endif
74 };
75 
76 struct op_zero {
77 	u32 op:8;
78 	u32 offset:24;
79 	u32 len;
80 };
81 
82 struct op_if_mode {
83 	u32 op:8;
84 	u32 cmd_offset:24;
85 	u32 mode_bit_map;
86 };
87 
88 
89 union init_op {
90 	struct op_read		read;
91 	struct op_write		write;
92 	struct op_arr_write	arr_wr;
93 	struct op_zero		zero;
94 	struct raw_op		raw;
95 	struct op_if_mode	if_mode;
96 };
97 
98 
99 /* Init Phases */
100 enum {
101 	PHASE_COMMON,
102 	PHASE_PORT0,
103 	PHASE_PORT1,
104 	PHASE_PF0,
105 	PHASE_PF1,
106 	PHASE_PF2,
107 	PHASE_PF3,
108 	PHASE_PF4,
109 	PHASE_PF5,
110 	PHASE_PF6,
111 	PHASE_PF7,
112 	NUM_OF_INIT_PHASES
113 };
114 
115 /* Init Modes */
116 enum {
117 	MODE_ASIC                      = 0x00000001,
118 	MODE_FPGA                      = 0x00000002,
119 	MODE_EMUL                      = 0x00000004,
120 	MODE_E2                        = 0x00000008,
121 	MODE_E3                        = 0x00000010,
122 	MODE_PORT2                     = 0x00000020,
123 	MODE_PORT4                     = 0x00000040,
124 	MODE_SF                        = 0x00000080,
125 	MODE_MF                        = 0x00000100,
126 	MODE_MF_SD                     = 0x00000200,
127 	MODE_MF_SI                     = 0x00000400,
128 	MODE_MF_NIV                    = 0x00000800,
129 	MODE_E3_A0                     = 0x00001000,
130 	MODE_E3_B0                     = 0x00002000,
131 	MODE_COS3                      = 0x00004000,
132 	MODE_COS6                      = 0x00008000,
133 	MODE_LITTLE_ENDIAN             = 0x00010000,
134 	MODE_BIG_ENDIAN                = 0x00020000,
135 };
136 
137 /* Init Blocks */
138 enum {
139 	BLOCK_ATC,
140 	BLOCK_BRB1,
141 	BLOCK_CCM,
142 	BLOCK_CDU,
143 	BLOCK_CFC,
144 	BLOCK_CSDM,
145 	BLOCK_CSEM,
146 	BLOCK_DBG,
147 	BLOCK_DMAE,
148 	BLOCK_DORQ,
149 	BLOCK_HC,
150 	BLOCK_IGU,
151 	BLOCK_MISC,
152 	BLOCK_NIG,
153 	BLOCK_PBF,
154 	BLOCK_PGLUE_B,
155 	BLOCK_PRS,
156 	BLOCK_PXP2,
157 	BLOCK_PXP,
158 	BLOCK_QM,
159 	BLOCK_SRC,
160 	BLOCK_TCM,
161 	BLOCK_TM,
162 	BLOCK_TSDM,
163 	BLOCK_TSEM,
164 	BLOCK_UCM,
165 	BLOCK_UPB,
166 	BLOCK_USDM,
167 	BLOCK_USEM,
168 	BLOCK_XCM,
169 	BLOCK_XPB,
170 	BLOCK_XSDM,
171 	BLOCK_XSEM,
172 	BLOCK_MISC_AEU,
173 	NUM_OF_INIT_BLOCKS
174 };
175 
176 /* QM queue numbers */
177 #define BNX2X_ETH_Q		0
178 #define BNX2X_TOE_Q		3
179 #define BNX2X_TOE_ACK_Q		6
180 #define BNX2X_ISCSI_Q		9
181 #define BNX2X_ISCSI_ACK_Q	11
182 #define BNX2X_FCOE_Q		10
183 
184 /* Vnics per mode */
185 #define BNX2X_PORT2_MODE_NUM_VNICS 4
186 #define BNX2X_PORT4_MODE_NUM_VNICS 2
187 
188 /* COS offset for port1 in E3 B0 4port mode */
189 #define BNX2X_E3B0_PORT1_COS_OFFSET 3
190 
191 /* QM Register addresses */
192 #define BNX2X_Q_VOQ_REG_ADDR(pf_q_num)\
193 	(QM_REG_QVOQIDX_0 + 4 * (pf_q_num))
194 #define BNX2X_VOQ_Q_REG_ADDR(cos, pf_q_num)\
195 	(QM_REG_VOQQMASK_0_LSB + 4 * ((cos) * 2 + ((pf_q_num) >> 5)))
196 #define BNX2X_Q_CMDQ_REG_ADDR(pf_q_num)\
197 	(QM_REG_BYTECRDCMDQ_0 + 4 * ((pf_q_num) >> 4))
198 
199 /* extracts the QM queue number for the specified port and vnic */
200 #define BNX2X_PF_Q_NUM(q_num, port, vnic)\
201 	((((port) << 1) | (vnic)) * 16 + (q_num))
202 
203 
204 /* Maps the specified queue to the specified COS */
bnx2x_map_q_cos(struct bnx2x * bp,u32 q_num,u32 new_cos)205 static inline void bnx2x_map_q_cos(struct bnx2x *bp, u32 q_num, u32 new_cos)
206 {
207 	/* find current COS mapping */
208 	u32 curr_cos = REG_RD(bp, QM_REG_QVOQIDX_0 + q_num * 4);
209 
210 	/* check if queue->COS mapping has changed */
211 	if (curr_cos != new_cos) {
212 		u32 num_vnics = BNX2X_PORT2_MODE_NUM_VNICS;
213 		u32 reg_addr, reg_bit_map, vnic;
214 
215 		/* update parameters for 4port mode */
216 		if (INIT_MODE_FLAGS(bp) & MODE_PORT4) {
217 			num_vnics = BNX2X_PORT4_MODE_NUM_VNICS;
218 			if (BP_PORT(bp)) {
219 				curr_cos += BNX2X_E3B0_PORT1_COS_OFFSET;
220 				new_cos += BNX2X_E3B0_PORT1_COS_OFFSET;
221 			}
222 		}
223 
224 		/* change queue mapping for each VNIC */
225 		for (vnic = 0; vnic < num_vnics; vnic++) {
226 			u32 pf_q_num =
227 				BNX2X_PF_Q_NUM(q_num, BP_PORT(bp), vnic);
228 			u32 q_bit_map = 1 << (pf_q_num & 0x1f);
229 
230 			/* overwrite queue->VOQ mapping */
231 			REG_WR(bp, BNX2X_Q_VOQ_REG_ADDR(pf_q_num), new_cos);
232 
233 			/* clear queue bit from current COS bit map */
234 			reg_addr = BNX2X_VOQ_Q_REG_ADDR(curr_cos, pf_q_num);
235 			reg_bit_map = REG_RD(bp, reg_addr);
236 			REG_WR(bp, reg_addr, reg_bit_map & (~q_bit_map));
237 
238 			/* set queue bit in new COS bit map */
239 			reg_addr = BNX2X_VOQ_Q_REG_ADDR(new_cos, pf_q_num);
240 			reg_bit_map = REG_RD(bp, reg_addr);
241 			REG_WR(bp, reg_addr, reg_bit_map | q_bit_map);
242 
243 			/* set/clear queue bit in command-queue bit map
244 			(E2/E3A0 only, valid COS values are 0/1) */
245 			if (!(INIT_MODE_FLAGS(bp) & MODE_E3_B0)) {
246 				reg_addr = BNX2X_Q_CMDQ_REG_ADDR(pf_q_num);
247 				reg_bit_map = REG_RD(bp, reg_addr);
248 				q_bit_map = 1 << (2 * (pf_q_num & 0xf));
249 				reg_bit_map = new_cos ?
250 					      (reg_bit_map | q_bit_map) :
251 					      (reg_bit_map & (~q_bit_map));
252 				REG_WR(bp, reg_addr, reg_bit_map);
253 			}
254 		}
255 	}
256 }
257 
258 /* Configures the QM according to the specified per-traffic-type COSes */
bnx2x_dcb_config_qm(struct bnx2x * bp,enum cos_mode mode,struct priority_cos * traffic_cos)259 static inline void bnx2x_dcb_config_qm(struct bnx2x *bp, enum cos_mode mode,
260 				       struct priority_cos *traffic_cos)
261 {
262 	bnx2x_map_q_cos(bp, BNX2X_FCOE_Q,
263 			traffic_cos[LLFC_TRAFFIC_TYPE_FCOE].cos);
264 	bnx2x_map_q_cos(bp, BNX2X_ISCSI_Q,
265 			traffic_cos[LLFC_TRAFFIC_TYPE_ISCSI].cos);
266 	bnx2x_map_q_cos(bp, BNX2X_ISCSI_ACK_Q,
267 		traffic_cos[LLFC_TRAFFIC_TYPE_ISCSI].cos);
268 	if (mode != STATIC_COS) {
269 		/* required only in backward compatible COS mode */
270 		bnx2x_map_q_cos(bp, BNX2X_ETH_Q,
271 				traffic_cos[LLFC_TRAFFIC_TYPE_NW].cos);
272 		bnx2x_map_q_cos(bp, BNX2X_TOE_Q,
273 				traffic_cos[LLFC_TRAFFIC_TYPE_NW].cos);
274 		bnx2x_map_q_cos(bp, BNX2X_TOE_ACK_Q,
275 				traffic_cos[LLFC_TRAFFIC_TYPE_NW].cos);
276 	}
277 }
278 
279 
280 /* Returns the index of start or end of a specific block stage in ops array*/
281 #define BLOCK_OPS_IDX(block, stage, end) \
282 			(2*(((block)*NUM_OF_INIT_PHASES) + (stage)) + (end))
283 
284 
285 #define INITOP_SET		0	/* set the HW directly */
286 #define INITOP_CLEAR		1	/* clear the HW directly */
287 #define INITOP_INIT		2	/* set the init-value array */
288 
289 /****************************************************************************
290 * ILT management
291 ****************************************************************************/
292 struct ilt_line {
293 	dma_addr_t page_mapping;
294 	void *page;
295 	u32 size;
296 };
297 
298 struct ilt_client_info {
299 	u32 page_size;
300 	u16 start;
301 	u16 end;
302 	u16 client_num;
303 	u16 flags;
304 #define ILT_CLIENT_SKIP_INIT	0x1
305 #define ILT_CLIENT_SKIP_MEM	0x2
306 };
307 
308 struct bnx2x_ilt {
309 	u32 start_line;
310 	struct ilt_line		*lines;
311 	struct ilt_client_info	clients[4];
312 #define ILT_CLIENT_CDU	0
313 #define ILT_CLIENT_QM	1
314 #define ILT_CLIENT_SRC	2
315 #define ILT_CLIENT_TM	3
316 };
317 
318 /****************************************************************************
319 * SRC configuration
320 ****************************************************************************/
321 struct src_ent {
322 	u8 opaque[56];
323 	u64 next;
324 };
325 
326 /****************************************************************************
327 * Parity configuration
328 ****************************************************************************/
329 #define BLOCK_PRTY_INFO(block, en_mask, m1, m1h, m2, m3) \
330 { \
331 	block##_REG_##block##_PRTY_MASK, \
332 	block##_REG_##block##_PRTY_STS_CLR, \
333 	en_mask, {m1, m1h, m2, m3}, #block \
334 }
335 
336 #define BLOCK_PRTY_INFO_0(block, en_mask, m1, m1h, m2, m3) \
337 { \
338 	block##_REG_##block##_PRTY_MASK_0, \
339 	block##_REG_##block##_PRTY_STS_CLR_0, \
340 	en_mask, {m1, m1h, m2, m3}, #block"_0" \
341 }
342 
343 #define BLOCK_PRTY_INFO_1(block, en_mask, m1, m1h, m2, m3) \
344 { \
345 	block##_REG_##block##_PRTY_MASK_1, \
346 	block##_REG_##block##_PRTY_STS_CLR_1, \
347 	en_mask, {m1, m1h, m2, m3}, #block"_1" \
348 }
349 
350 static const struct {
351 	u32 mask_addr;
352 	u32 sts_clr_addr;
353 	u32 en_mask;		/* Mask to enable parity attentions */
354 	struct {
355 		u32 e1;		/* 57710 */
356 		u32 e1h;	/* 57711 */
357 		u32 e2;		/* 57712 */
358 		u32 e3;		/* 578xx */
359 	} reg_mask;		/* Register mask (all valid bits) */
360 	char name[7];		/* Block's longest name is 6 characters long
361 				 * (name + suffix)
362 				 */
363 } bnx2x_blocks_parity_data[] = {
364 	/* bit 19 masked */
365 	/* REG_WR(bp, PXP_REG_PXP_PRTY_MASK, 0x80000); */
366 	/* bit 5,18,20-31 */
367 	/* REG_WR(bp, PXP2_REG_PXP2_PRTY_MASK_0, 0xfff40020); */
368 	/* bit 5 */
369 	/* REG_WR(bp, PXP2_REG_PXP2_PRTY_MASK_1, 0x20);	*/
370 	/* REG_WR(bp, HC_REG_HC_PRTY_MASK, 0x0); */
371 	/* REG_WR(bp, MISC_REG_MISC_PRTY_MASK, 0x0); */
372 
373 	/* Block IGU, MISC, PXP and PXP2 parity errors as long as we don't
374 	 * want to handle "system kill" flow at the moment.
375 	 */
376 	BLOCK_PRTY_INFO(PXP, 0x7ffffff, 0x3ffffff, 0x3ffffff, 0x7ffffff,
377 			0x7ffffff),
378 	BLOCK_PRTY_INFO_0(PXP2,	0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
379 			  0xffffffff),
380 	BLOCK_PRTY_INFO_1(PXP2,	0x1ffffff, 0x7f, 0x7f, 0x7ff, 0x1ffffff),
381 	BLOCK_PRTY_INFO(HC, 0x7, 0x7, 0x7, 0, 0),
382 	BLOCK_PRTY_INFO(NIG, 0xffffffff, 0x3fffffff, 0xffffffff, 0, 0),
383 	BLOCK_PRTY_INFO_0(NIG,	0xffffffff, 0, 0, 0xffffffff, 0xffffffff),
384 	BLOCK_PRTY_INFO_1(NIG,	0xffff, 0, 0, 0xff, 0xffff),
385 	BLOCK_PRTY_INFO(IGU, 0x7ff, 0, 0, 0x7ff, 0x7ff),
386 	BLOCK_PRTY_INFO(MISC, 0x1, 0x1, 0x1, 0x1, 0x1),
387 	BLOCK_PRTY_INFO(QM, 0, 0x1ff, 0xfff, 0xfff, 0xfff),
388 	BLOCK_PRTY_INFO(ATC, 0x1f, 0, 0, 0x1f, 0x1f),
389 	BLOCK_PRTY_INFO(PGLUE_B, 0x3, 0, 0, 0x3, 0x3),
390 	BLOCK_PRTY_INFO(DORQ, 0, 0x3, 0x3, 0x3, 0x3),
391 	{GRCBASE_UPB + PB_REG_PB_PRTY_MASK,
392 		GRCBASE_UPB + PB_REG_PB_PRTY_STS_CLR, 0xf,
393 		{0xf, 0xf, 0xf, 0xf}, "UPB"},
394 	{GRCBASE_XPB + PB_REG_PB_PRTY_MASK,
395 		GRCBASE_XPB + PB_REG_PB_PRTY_STS_CLR, 0,
396 		{0xf, 0xf, 0xf, 0xf}, "XPB"},
397 	BLOCK_PRTY_INFO(SRC, 0x4, 0x7, 0x7, 0x7, 0x7),
398 	BLOCK_PRTY_INFO(CDU, 0, 0x1f, 0x1f, 0x1f, 0x1f),
399 	BLOCK_PRTY_INFO(CFC, 0, 0xf, 0xf, 0xf, 0x3f),
400 	BLOCK_PRTY_INFO(DBG, 0, 0x1, 0x1, 0x1, 0x1),
401 	BLOCK_PRTY_INFO(DMAE, 0, 0xf, 0xf, 0xf, 0xf),
402 	BLOCK_PRTY_INFO(BRB1, 0, 0xf, 0xf, 0xf, 0xf),
403 	BLOCK_PRTY_INFO(PRS, (1<<6), 0xff, 0xff, 0xff, 0xff),
404 	BLOCK_PRTY_INFO(PBF, 0, 0, 0x3ffff, 0xfffff, 0xfffffff),
405 	BLOCK_PRTY_INFO(TM, 0, 0, 0x7f, 0x7f, 0x7f),
406 	BLOCK_PRTY_INFO(TSDM, 0x18, 0x7ff, 0x7ff, 0x7ff, 0x7ff),
407 	BLOCK_PRTY_INFO(CSDM, 0x8, 0x7ff, 0x7ff, 0x7ff, 0x7ff),
408 	BLOCK_PRTY_INFO(USDM, 0x38, 0x7ff, 0x7ff, 0x7ff, 0x7ff),
409 	BLOCK_PRTY_INFO(XSDM, 0x8, 0x7ff, 0x7ff, 0x7ff, 0x7ff),
410 	BLOCK_PRTY_INFO(TCM, 0, 0, 0x7ffffff, 0x7ffffff, 0x7ffffff),
411 	BLOCK_PRTY_INFO(CCM, 0, 0, 0x7ffffff, 0x7ffffff, 0x7ffffff),
412 	BLOCK_PRTY_INFO(UCM, 0, 0, 0x7ffffff, 0x7ffffff, 0x7ffffff),
413 	BLOCK_PRTY_INFO(XCM, 0, 0, 0x3fffffff, 0x3fffffff, 0x3fffffff),
414 	BLOCK_PRTY_INFO_0(TSEM, 0, 0xffffffff, 0xffffffff, 0xffffffff,
415 			  0xffffffff),
416 	BLOCK_PRTY_INFO_1(TSEM, 0, 0x3, 0x1f, 0x3f, 0x3f),
417 	BLOCK_PRTY_INFO_0(USEM, 0, 0xffffffff, 0xffffffff, 0xffffffff,
418 			  0xffffffff),
419 	BLOCK_PRTY_INFO_1(USEM, 0, 0x3, 0x1f, 0x1f, 0x1f),
420 	BLOCK_PRTY_INFO_0(CSEM, 0, 0xffffffff, 0xffffffff, 0xffffffff,
421 			  0xffffffff),
422 	BLOCK_PRTY_INFO_1(CSEM, 0, 0x3, 0x1f, 0x1f, 0x1f),
423 	BLOCK_PRTY_INFO_0(XSEM, 0, 0xffffffff, 0xffffffff, 0xffffffff,
424 			  0xffffffff),
425 	BLOCK_PRTY_INFO_1(XSEM, 0, 0x3, 0x1f, 0x3f, 0x3f),
426 };
427 
428 
429 /* [28] MCP Latched rom_parity
430  * [29] MCP Latched ump_rx_parity
431  * [30] MCP Latched ump_tx_parity
432  * [31] MCP Latched scpad_parity
433  */
434 #define MISC_AEU_ENABLE_MCP_PRTY_BITS	\
435 	(AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY | \
436 	 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY | \
437 	 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY | \
438 	 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY)
439 
440 /* Below registers control the MCP parity attention output. When
441  * MISC_AEU_ENABLE_MCP_PRTY_BITS are set - attentions are
442  * enabled, when cleared - disabled.
443  */
444 static const u32 mcp_attn_ctl_regs[] = {
445 	MISC_REG_AEU_ENABLE4_FUNC_0_OUT_0,
446 	MISC_REG_AEU_ENABLE4_NIG_0,
447 	MISC_REG_AEU_ENABLE4_PXP_0,
448 	MISC_REG_AEU_ENABLE4_FUNC_1_OUT_0,
449 	MISC_REG_AEU_ENABLE4_NIG_1,
450 	MISC_REG_AEU_ENABLE4_PXP_1
451 };
452 
bnx2x_set_mcp_parity(struct bnx2x * bp,u8 enable)453 static inline void bnx2x_set_mcp_parity(struct bnx2x *bp, u8 enable)
454 {
455 	int i;
456 	u32 reg_val;
457 
458 	for (i = 0; i < ARRAY_SIZE(mcp_attn_ctl_regs); i++) {
459 		reg_val = REG_RD(bp, mcp_attn_ctl_regs[i]);
460 
461 		if (enable)
462 			reg_val |= MISC_AEU_ENABLE_MCP_PRTY_BITS;
463 		else
464 			reg_val &= ~MISC_AEU_ENABLE_MCP_PRTY_BITS;
465 
466 		REG_WR(bp, mcp_attn_ctl_regs[i], reg_val);
467 	}
468 }
469 
bnx2x_parity_reg_mask(struct bnx2x * bp,int idx)470 static inline u32 bnx2x_parity_reg_mask(struct bnx2x *bp, int idx)
471 {
472 	if (CHIP_IS_E1(bp))
473 		return bnx2x_blocks_parity_data[idx].reg_mask.e1;
474 	else if (CHIP_IS_E1H(bp))
475 		return bnx2x_blocks_parity_data[idx].reg_mask.e1h;
476 	else if (CHIP_IS_E2(bp))
477 		return bnx2x_blocks_parity_data[idx].reg_mask.e2;
478 	else /* CHIP_IS_E3 */
479 		return bnx2x_blocks_parity_data[idx].reg_mask.e3;
480 }
481 
bnx2x_disable_blocks_parity(struct bnx2x * bp)482 static inline void bnx2x_disable_blocks_parity(struct bnx2x *bp)
483 {
484 	int i;
485 
486 	for (i = 0; i < ARRAY_SIZE(bnx2x_blocks_parity_data); i++) {
487 		u32 dis_mask = bnx2x_parity_reg_mask(bp, i);
488 
489 		if (dis_mask) {
490 			REG_WR(bp, bnx2x_blocks_parity_data[i].mask_addr,
491 			       dis_mask);
492 			DP(NETIF_MSG_HW, "Setting parity mask "
493 						 "for %s to\t\t0x%x\n",
494 				    bnx2x_blocks_parity_data[i].name, dis_mask);
495 		}
496 	}
497 
498 	/* Disable MCP parity attentions */
499 	bnx2x_set_mcp_parity(bp, false);
500 }
501 
502 /**
503  * Clear the parity error status registers.
504  */
bnx2x_clear_blocks_parity(struct bnx2x * bp)505 static inline void bnx2x_clear_blocks_parity(struct bnx2x *bp)
506 {
507 	int i;
508 	u32 reg_val, mcp_aeu_bits =
509 		AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY |
510 		AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY |
511 		AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY |
512 		AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY;
513 
514 	/* Clear SEM_FAST parities */
515 	REG_WR(bp, XSEM_REG_FAST_MEMORY + SEM_FAST_REG_PARITY_RST, 0x1);
516 	REG_WR(bp, TSEM_REG_FAST_MEMORY + SEM_FAST_REG_PARITY_RST, 0x1);
517 	REG_WR(bp, USEM_REG_FAST_MEMORY + SEM_FAST_REG_PARITY_RST, 0x1);
518 	REG_WR(bp, CSEM_REG_FAST_MEMORY + SEM_FAST_REG_PARITY_RST, 0x1);
519 
520 	for (i = 0; i < ARRAY_SIZE(bnx2x_blocks_parity_data); i++) {
521 		u32 reg_mask = bnx2x_parity_reg_mask(bp, i);
522 
523 		if (reg_mask) {
524 			reg_val = REG_RD(bp, bnx2x_blocks_parity_data[i].
525 					 sts_clr_addr);
526 			if (reg_val & reg_mask)
527 				DP(NETIF_MSG_HW,
528 					    "Parity errors in %s: 0x%x\n",
529 					    bnx2x_blocks_parity_data[i].name,
530 					    reg_val & reg_mask);
531 		}
532 	}
533 
534 	/* Check if there were parity attentions in MCP */
535 	reg_val = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_MCP);
536 	if (reg_val & mcp_aeu_bits)
537 		DP(NETIF_MSG_HW, "Parity error in MCP: 0x%x\n",
538 		   reg_val & mcp_aeu_bits);
539 
540 	/* Clear parity attentions in MCP:
541 	 * [7]  clears Latched rom_parity
542 	 * [8]  clears Latched ump_rx_parity
543 	 * [9]  clears Latched ump_tx_parity
544 	 * [10] clears Latched scpad_parity (both ports)
545 	 */
546 	REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x780);
547 }
548 
bnx2x_enable_blocks_parity(struct bnx2x * bp)549 static inline void bnx2x_enable_blocks_parity(struct bnx2x *bp)
550 {
551 	int i;
552 
553 	for (i = 0; i < ARRAY_SIZE(bnx2x_blocks_parity_data); i++) {
554 		u32 reg_mask = bnx2x_parity_reg_mask(bp, i);
555 
556 		if (reg_mask)
557 			REG_WR(bp, bnx2x_blocks_parity_data[i].mask_addr,
558 				bnx2x_blocks_parity_data[i].en_mask & reg_mask);
559 	}
560 
561 	/* Enable MCP parity attentions */
562 	bnx2x_set_mcp_parity(bp, true);
563 }
564 
565 
566 #endif /* BNX2X_INIT_H */
567 
568