xref: /freebsd/sys/dev/bxe/ecore_init_ops.h (revision 81ad6265)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2007-2017 QLogic Corporation. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26  * THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #ifndef ECORE_INIT_OPS_H
33 #define ECORE_INIT_OPS_H
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 static int ecore_gunzip(struct bxe_softc *sc, const uint8_t *zbuf, int len);
45 static void ecore_reg_wr_ind(struct bxe_softc *sc, uint32_t addr, uint32_t val);
46 static void ecore_write_dmae_phys_len(struct bxe_softc *sc,
47 				      ecore_dma_addr_t phys_addr, uint32_t addr,
48 				      uint32_t len);
49 
50 static void ecore_init_str_wr(struct bxe_softc *sc, uint32_t addr,
51 			      const uint32_t *data, uint32_t len)
52 {
53 	uint32_t i;
54 
55 	for (i = 0; i < len; i++)
56 		REG_WR(sc, addr + i*4, data[i]);
57 }
58 
59 static void ecore_init_ind_wr(struct bxe_softc *sc, uint32_t addr,
60 			      const uint32_t *data, uint32_t len)
61 {
62 	uint32_t i;
63 
64 	for (i = 0; i < len; i++)
65 		ecore_reg_wr_ind(sc, addr + i*4, data[i]);
66 }
67 
68 static void ecore_write_big_buf(struct bxe_softc *sc, uint32_t addr, uint32_t len,
69 				uint8_t wb)
70 {
71 	if (DMAE_READY(sc))
72 		ecore_write_dmae_phys_len(sc, GUNZIP_PHYS(sc), addr, len);
73 
74 	/* in E1 chips BIOS initiated ZLR may interrupt widebus writes */
75 	else if (wb && CHIP_IS_E1(sc))
76 		ecore_init_ind_wr(sc, addr, GUNZIP_BUF(sc), len);
77 
78 	/* in later chips PXP root complex handles BIOS ZLR w/o interrupting */
79 	else
80 		ecore_init_str_wr(sc, addr, GUNZIP_BUF(sc), len);
81 }
82 
83 static void ecore_init_fill(struct bxe_softc *sc, uint32_t addr, int fill,
84 			    uint32_t len, uint8_t wb)
85 {
86 	uint32_t buf_len = (((len*4) > FW_BUF_SIZE) ? FW_BUF_SIZE : (len*4));
87 	uint32_t buf_len32 = buf_len/4;
88 	uint32_t i;
89 
90 	ECORE_MEMSET(GUNZIP_BUF(sc), (uint8_t)fill, buf_len);
91 
92 	for (i = 0; i < len; i += buf_len32) {
93 		uint32_t cur_len = min(buf_len32, len - i);
94 
95 		ecore_write_big_buf(sc, addr + i*4, cur_len, wb);
96 	}
97 }
98 
99 static void ecore_write_big_buf_wb(struct bxe_softc *sc, uint32_t addr, uint32_t len)
100 {
101 	if (DMAE_READY(sc))
102 		ecore_write_dmae_phys_len(sc, GUNZIP_PHYS(sc), addr, len);
103 
104 	/* in E1 chips BIOS initiated ZLR may interrupt widebus writes */
105 	else if (CHIP_IS_E1(sc))
106 		ecore_init_ind_wr(sc, addr, GUNZIP_BUF(sc), len);
107 
108 	/* in later chips PXP root complex handles BIOS ZLR w/o interrupting */
109 	else
110 		ecore_init_str_wr(sc, addr, GUNZIP_BUF(sc), len);
111 }
112 
113 static void ecore_init_wr_64(struct bxe_softc *sc, uint32_t addr,
114 			     const uint32_t *data, uint32_t len64)
115 {
116 	uint32_t buf_len32 = FW_BUF_SIZE/4;
117 	uint32_t len = len64*2;
118 	uint64_t data64 = 0;
119 	uint32_t i;
120 
121 	/* 64 bit value is in a blob: first low DWORD, then high DWORD */
122 	data64 = HILO_U64((*(data + 1)), (*data));
123 
124 	len64 = min((uint32_t)(FW_BUF_SIZE/8), len64);
125 	for (i = 0; i < len64; i++) {
126 		uint64_t *pdata = ((uint64_t *)(GUNZIP_BUF(sc))) + i;
127 
128 		*pdata = data64;
129 	}
130 
131 	for (i = 0; i < len; i += buf_len32) {
132 		uint32_t cur_len = min(buf_len32, len - i);
133 
134 		ecore_write_big_buf_wb(sc, addr + i*4, cur_len);
135 	}
136 }
137 
138 /*********************************************************
139    There are different blobs for each PRAM section.
140    In addition, each blob write operation is divided into a few operations
141    in order to decrease the amount of phys. contiguous buffer needed.
142    Thus, when we select a blob the address may be with some offset
143    from the beginning of PRAM section.
144    The same holds for the INT_TABLE sections.
145 **********************************************************/
146 #define IF_IS_INT_TABLE_ADDR(base, addr) \
147 			if (((base) <= (addr)) && ((base) + 0x400 >= (addr)))
148 
149 #define IF_IS_PRAM_ADDR(base, addr) \
150 			if (((base) <= (addr)) && ((base) + 0x40000 >= (addr)))
151 
152 static const uint8_t *ecore_sel_blob(struct bxe_softc *sc, uint32_t addr,
153 				const uint8_t *data)
154 {
155 	IF_IS_INT_TABLE_ADDR(TSEM_REG_INT_TABLE, addr)
156 		data = INIT_TSEM_INT_TABLE_DATA(sc);
157 	else
158 		IF_IS_INT_TABLE_ADDR(CSEM_REG_INT_TABLE, addr)
159 			data = INIT_CSEM_INT_TABLE_DATA(sc);
160 	else
161 		IF_IS_INT_TABLE_ADDR(USEM_REG_INT_TABLE, addr)
162 			data = INIT_USEM_INT_TABLE_DATA(sc);
163 	else
164 		IF_IS_INT_TABLE_ADDR(XSEM_REG_INT_TABLE, addr)
165 			data = INIT_XSEM_INT_TABLE_DATA(sc);
166 	else
167 		IF_IS_PRAM_ADDR(TSEM_REG_PRAM, addr)
168 			data = INIT_TSEM_PRAM_DATA(sc);
169 	else
170 		IF_IS_PRAM_ADDR(CSEM_REG_PRAM, addr)
171 			data = INIT_CSEM_PRAM_DATA(sc);
172 	else
173 		IF_IS_PRAM_ADDR(USEM_REG_PRAM, addr)
174 			data = INIT_USEM_PRAM_DATA(sc);
175 	else
176 		IF_IS_PRAM_ADDR(XSEM_REG_PRAM, addr)
177 			data = INIT_XSEM_PRAM_DATA(sc);
178 
179 	return data;
180 }
181 
182 static void ecore_init_wr_wb(struct bxe_softc *sc, uint32_t addr,
183 			     const uint32_t *data, uint32_t len)
184 {
185 	if (DMAE_READY(sc))
186 		VIRT_WR_DMAE_LEN(sc, data, addr, len, 0);
187 
188 	/* in E1 chips BIOS initiated ZLR may interrupt widebus writes */
189 	else if (CHIP_IS_E1(sc))
190 		ecore_init_ind_wr(sc, addr, data, len);
191 
192 	/* in later chips PXP root complex handles BIOS ZLR w/o interrupting */
193 	else
194 		ecore_init_str_wr(sc, addr, data, len);
195 }
196 
197 #ifndef FW_ZIP_SUPPORT
198 static void ecore_init_fw(struct bxe_softc *sc, uint32_t addr, uint32_t len)
199 {
200 	const uint8_t *data = NULL;
201 
202 	data = ecore_sel_blob(sc, addr, (const uint8_t *)data);
203 
204 	if (DMAE_READY(sc))
205 		VIRT_WR_DMAE_LEN(sc, data, addr, len, 1);
206 
207 	/* in E1 BIOS initiated ZLR may interrupt widebus writes */
208 	else if (CHIP_IS_E1(sc))
209 		ecore_init_ind_wr(sc, addr, (const uint32_t *)data, len);
210 
211 	/* in later chips PXP root complex handles BIOS ZLR w/o interrupting */
212 	else
213 		ecore_init_str_wr(sc, addr, (const uint32_t *)data, len);
214 }
215 
216 #endif
217 
218 static void ecore_wr_64(struct bxe_softc *sc, uint32_t reg, uint32_t val_lo,
219 			uint32_t val_hi)
220 {
221 	uint32_t wb_write[2];
222 
223 	wb_write[0] = val_lo;
224 	wb_write[1] = val_hi;
225 	REG_WR_DMAE_LEN(sc, reg, wb_write, 2);
226 }
227 
228 static void ecore_init_wr_zp(struct bxe_softc *sc, uint32_t addr, uint32_t len,
229 			     uint32_t blob_off)
230 {
231 	const uint8_t *data = NULL;
232 	int rc;
233 	uint32_t i;
234 
235 	data = ecore_sel_blob(sc, addr, data) + blob_off*4;
236 
237 	rc = ecore_gunzip(sc, data, len);
238 	if (rc)
239 		return;
240 
241 	/* gunzip_outlen is in dwords */
242 	len = GUNZIP_OUTLEN(sc);
243 	for (i = 0; i < len; i++)
244 		((uint32_t *)GUNZIP_BUF(sc))[i] = (uint32_t)
245 				ECORE_CPU_TO_LE32(((uint32_t *)GUNZIP_BUF(sc))[i]);
246 
247 	ecore_write_big_buf_wb(sc, addr, len);
248 }
249 
250 static void ecore_init_block(struct bxe_softc *sc, uint32_t block, uint32_t stage)
251 {
252 	uint16_t op_start =
253 		INIT_OPS_OFFSETS(sc)[BLOCK_OPS_IDX(block, stage,
254 						     STAGE_START)];
255 	uint16_t op_end =
256 		INIT_OPS_OFFSETS(sc)[BLOCK_OPS_IDX(block, stage,
257 						     STAGE_END)];
258 	const union init_op *op;
259 	uint32_t op_idx, op_type, addr, len;
260 	const uint32_t *data, *data_base;
261 
262 	/* If empty block */
263 	if (op_start == op_end)
264 		return;
265 
266 	data_base = INIT_DATA(sc);
267 
268 	for (op_idx = op_start; op_idx < op_end; op_idx++) {
269 
270 		op = (const union init_op *)&(INIT_OPS(sc)[op_idx]);
271 		/* Get generic data */
272 		op_type = op->raw.op;
273 		addr = op->raw.offset;
274 		/* Get data that's used for OP_SW, OP_WB, OP_FW, OP_ZP and
275 		 * OP_WR64 (we assume that op_arr_write and op_write have the
276 		 * same structure).
277 		 */
278 		len = op->arr_wr.data_len;
279 		data = data_base + op->arr_wr.data_off;
280 
281 		switch (op_type) {
282 		case OP_RD:
283 			REG_RD(sc, addr);
284 			break;
285 		case OP_WR:
286 			REG_WR(sc, addr, op->write.val);
287 			break;
288 		case OP_SW:
289 			ecore_init_str_wr(sc, addr, data, len);
290 			break;
291 		case OP_WB:
292 			ecore_init_wr_wb(sc, addr, data, len);
293 			break;
294 #ifndef FW_ZIP_SUPPORT
295 		case OP_FW:
296 			ecore_init_fw(sc, addr, len);
297 			break;
298 #endif
299 		case OP_ZR:
300 			ecore_init_fill(sc, addr, 0, op->zero.len, 0);
301 			break;
302 		case OP_WB_ZR:
303 			ecore_init_fill(sc, addr, 0, op->zero.len, 1);
304 			break;
305 		case OP_ZP:
306 			ecore_init_wr_zp(sc, addr, len,
307 					 op->arr_wr.data_off);
308 			break;
309 		case OP_WR_64:
310 			ecore_init_wr_64(sc, addr, data, len);
311 			break;
312 		case OP_IF_MODE_AND:
313 			/* if any of the flags doesn't match, skip the
314 			 * conditional block.
315 			 */
316 			if ((INIT_MODE_FLAGS(sc) &
317 				op->if_mode.mode_bit_map) !=
318 				op->if_mode.mode_bit_map)
319 				op_idx += op->if_mode.cmd_offset;
320 			break;
321 		case OP_IF_MODE_OR:
322 			/* if all the flags don't match, skip the conditional
323 			 * block.
324 			 */
325 			if ((INIT_MODE_FLAGS(sc) &
326 				op->if_mode.mode_bit_map) == 0)
327 				op_idx += op->if_mode.cmd_offset;
328 			break;
329 		    /* the following opcodes are unused at the moment. */
330 		case OP_IF_PHASE:
331 		case OP_RT:
332 		case OP_DELAY:
333 		case OP_VERIFY:
334 		default:
335 			/* Should never get here! */
336 
337 			break;
338 		}
339 	}
340 }
341 
342 
343 /****************************************************************************
344 * PXP Arbiter
345 ****************************************************************************/
346 /*
347  * This code configures the PCI read/write arbiter
348  * which implements a weighted round robin
349  * between the virtual queues in the chip.
350  *
351  * The values were derived for each PCI max payload and max request size.
352  * since max payload and max request size are only known at run time,
353  * this is done as a separate init stage.
354  */
355 
356 #define NUM_WR_Q			13
357 #define NUM_RD_Q			29
358 #define MAX_RD_ORD			3
359 #define MAX_WR_ORD			2
360 
361 /* configuration for one arbiter queue */
362 struct arb_line {
363 	int l;
364 	int add;
365 	int ubound;
366 };
367 
368 /* derived configuration for each read queue for each max request size */
369 static const struct arb_line read_arb_data[NUM_RD_Q][MAX_RD_ORD + 1] = {
370 /* 1 */	{ {8, 64, 25}, {16, 64, 25}, {32, 64, 25}, {64, 64, 41} },
371 	{ {4, 8,  4},  {4,  8,  4},  {4,  8,  4},  {4,  8,  4}  },
372 	{ {4, 3,  3},  {4,  3,  3},  {4,  3,  3},  {4,  3,  3}  },
373 	{ {8, 3,  6},  {16, 3,  11}, {16, 3,  11}, {16, 3,  11} },
374 	{ {8, 64, 25}, {16, 64, 25}, {32, 64, 25}, {64, 64, 41} },
375 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {64, 3,  41} },
376 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {64, 3,  41} },
377 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {64, 3,  41} },
378 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {64, 3,  41} },
379 /* 10 */{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
380 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
381 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
382 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
383 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
384 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
385 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
386 	{ {8, 64, 6},  {16, 64, 11}, {32, 64, 21}, {32, 64, 21} },
387 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
388 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
389 /* 20 */{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
390 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
391 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
392 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
393 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
394 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
395 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
396 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
397 	{ {8, 3,  6},  {16, 3,  11}, {32, 3,  21}, {32, 3,  21} },
398 	{ {8, 64, 25}, {16, 64, 41}, {32, 64, 81}, {64, 64, 120} }
399 };
400 
401 /* derived configuration for each write queue for each max request size */
402 static const struct arb_line write_arb_data[NUM_WR_Q][MAX_WR_ORD + 1] = {
403 /* 1 */	{ {4, 6,  3},  {4,  6,  3},  {4,  6,  3} },
404 	{ {4, 2,  3},  {4,  2,  3},  {4,  2,  3} },
405 	{ {8, 2,  6},  {16, 2,  11}, {16, 2,  11} },
406 	{ {8, 2,  6},  {16, 2,  11}, {32, 2,  21} },
407 	{ {8, 2,  6},  {16, 2,  11}, {32, 2,  21} },
408 	{ {8, 2,  6},  {16, 2,  11}, {32, 2,  21} },
409 	{ {8, 64, 25}, {16, 64, 25}, {32, 64, 25} },
410 	{ {8, 2,  6},  {16, 2,  11}, {16, 2,  11} },
411 	{ {8, 2,  6},  {16, 2,  11}, {16, 2,  11} },
412 /* 10 */{ {8, 9,  6},  {16, 9,  11}, {32, 9,  21} },
413 	{ {8, 47, 19}, {16, 47, 19}, {32, 47, 21} },
414 	{ {8, 9,  6},  {16, 9,  11}, {16, 9,  11} },
415 	{ {8, 64, 25}, {16, 64, 41}, {32, 64, 81} }
416 };
417 
418 /* register addresses for read queues */
419 static const struct arb_line read_arb_addr[NUM_RD_Q-1] = {
420 /* 1 */	{PXP2_REG_RQ_BW_RD_L0, PXP2_REG_RQ_BW_RD_ADD0,
421 		PXP2_REG_RQ_BW_RD_UBOUND0},
422 	{PXP2_REG_PSWRQ_BW_L1, PXP2_REG_PSWRQ_BW_ADD1,
423 		PXP2_REG_PSWRQ_BW_UB1},
424 	{PXP2_REG_PSWRQ_BW_L2, PXP2_REG_PSWRQ_BW_ADD2,
425 		PXP2_REG_PSWRQ_BW_UB2},
426 	{PXP2_REG_PSWRQ_BW_L3, PXP2_REG_PSWRQ_BW_ADD3,
427 		PXP2_REG_PSWRQ_BW_UB3},
428 	{PXP2_REG_RQ_BW_RD_L4, PXP2_REG_RQ_BW_RD_ADD4,
429 		PXP2_REG_RQ_BW_RD_UBOUND4},
430 	{PXP2_REG_RQ_BW_RD_L5, PXP2_REG_RQ_BW_RD_ADD5,
431 		PXP2_REG_RQ_BW_RD_UBOUND5},
432 	{PXP2_REG_PSWRQ_BW_L6, PXP2_REG_PSWRQ_BW_ADD6,
433 		PXP2_REG_PSWRQ_BW_UB6},
434 	{PXP2_REG_PSWRQ_BW_L7, PXP2_REG_PSWRQ_BW_ADD7,
435 		PXP2_REG_PSWRQ_BW_UB7},
436 	{PXP2_REG_PSWRQ_BW_L8, PXP2_REG_PSWRQ_BW_ADD8,
437 		PXP2_REG_PSWRQ_BW_UB8},
438 /* 10 */{PXP2_REG_PSWRQ_BW_L9, PXP2_REG_PSWRQ_BW_ADD9,
439 		PXP2_REG_PSWRQ_BW_UB9},
440 	{PXP2_REG_PSWRQ_BW_L10, PXP2_REG_PSWRQ_BW_ADD10,
441 		PXP2_REG_PSWRQ_BW_UB10},
442 	{PXP2_REG_PSWRQ_BW_L11, PXP2_REG_PSWRQ_BW_ADD11,
443 		PXP2_REG_PSWRQ_BW_UB11},
444 	{PXP2_REG_RQ_BW_RD_L12, PXP2_REG_RQ_BW_RD_ADD12,
445 		PXP2_REG_RQ_BW_RD_UBOUND12},
446 	{PXP2_REG_RQ_BW_RD_L13, PXP2_REG_RQ_BW_RD_ADD13,
447 		PXP2_REG_RQ_BW_RD_UBOUND13},
448 	{PXP2_REG_RQ_BW_RD_L14, PXP2_REG_RQ_BW_RD_ADD14,
449 		PXP2_REG_RQ_BW_RD_UBOUND14},
450 	{PXP2_REG_RQ_BW_RD_L15, PXP2_REG_RQ_BW_RD_ADD15,
451 		PXP2_REG_RQ_BW_RD_UBOUND15},
452 	{PXP2_REG_RQ_BW_RD_L16, PXP2_REG_RQ_BW_RD_ADD16,
453 		PXP2_REG_RQ_BW_RD_UBOUND16},
454 	{PXP2_REG_RQ_BW_RD_L17, PXP2_REG_RQ_BW_RD_ADD17,
455 		PXP2_REG_RQ_BW_RD_UBOUND17},
456 	{PXP2_REG_RQ_BW_RD_L18, PXP2_REG_RQ_BW_RD_ADD18,
457 		PXP2_REG_RQ_BW_RD_UBOUND18},
458 /* 20 */{PXP2_REG_RQ_BW_RD_L19, PXP2_REG_RQ_BW_RD_ADD19,
459 		PXP2_REG_RQ_BW_RD_UBOUND19},
460 	{PXP2_REG_RQ_BW_RD_L20, PXP2_REG_RQ_BW_RD_ADD20,
461 		PXP2_REG_RQ_BW_RD_UBOUND20},
462 	{PXP2_REG_RQ_BW_RD_L22, PXP2_REG_RQ_BW_RD_ADD22,
463 		PXP2_REG_RQ_BW_RD_UBOUND22},
464 	{PXP2_REG_RQ_BW_RD_L23, PXP2_REG_RQ_BW_RD_ADD23,
465 		PXP2_REG_RQ_BW_RD_UBOUND23},
466 	{PXP2_REG_RQ_BW_RD_L24, PXP2_REG_RQ_BW_RD_ADD24,
467 		PXP2_REG_RQ_BW_RD_UBOUND24},
468 	{PXP2_REG_RQ_BW_RD_L25, PXP2_REG_RQ_BW_RD_ADD25,
469 		PXP2_REG_RQ_BW_RD_UBOUND25},
470 	{PXP2_REG_RQ_BW_RD_L26, PXP2_REG_RQ_BW_RD_ADD26,
471 		PXP2_REG_RQ_BW_RD_UBOUND26},
472 	{PXP2_REG_RQ_BW_RD_L27, PXP2_REG_RQ_BW_RD_ADD27,
473 		PXP2_REG_RQ_BW_RD_UBOUND27},
474 	{PXP2_REG_PSWRQ_BW_L28, PXP2_REG_PSWRQ_BW_ADD28,
475 		PXP2_REG_PSWRQ_BW_UB28}
476 };
477 
478 /* register addresses for write queues */
479 static const struct arb_line write_arb_addr[NUM_WR_Q-1] = {
480 /* 1 */	{PXP2_REG_PSWRQ_BW_L1, PXP2_REG_PSWRQ_BW_ADD1,
481 		PXP2_REG_PSWRQ_BW_UB1},
482 	{PXP2_REG_PSWRQ_BW_L2, PXP2_REG_PSWRQ_BW_ADD2,
483 		PXP2_REG_PSWRQ_BW_UB2},
484 	{PXP2_REG_PSWRQ_BW_L3, PXP2_REG_PSWRQ_BW_ADD3,
485 		PXP2_REG_PSWRQ_BW_UB3},
486 	{PXP2_REG_PSWRQ_BW_L6, PXP2_REG_PSWRQ_BW_ADD6,
487 		PXP2_REG_PSWRQ_BW_UB6},
488 	{PXP2_REG_PSWRQ_BW_L7, PXP2_REG_PSWRQ_BW_ADD7,
489 		PXP2_REG_PSWRQ_BW_UB7},
490 	{PXP2_REG_PSWRQ_BW_L8, PXP2_REG_PSWRQ_BW_ADD8,
491 		PXP2_REG_PSWRQ_BW_UB8},
492 	{PXP2_REG_PSWRQ_BW_L9, PXP2_REG_PSWRQ_BW_ADD9,
493 		PXP2_REG_PSWRQ_BW_UB9},
494 	{PXP2_REG_PSWRQ_BW_L10, PXP2_REG_PSWRQ_BW_ADD10,
495 		PXP2_REG_PSWRQ_BW_UB10},
496 	{PXP2_REG_PSWRQ_BW_L11, PXP2_REG_PSWRQ_BW_ADD11,
497 		PXP2_REG_PSWRQ_BW_UB11},
498 /* 10 */{PXP2_REG_PSWRQ_BW_L28, PXP2_REG_PSWRQ_BW_ADD28,
499 		PXP2_REG_PSWRQ_BW_UB28},
500 	{PXP2_REG_RQ_BW_WR_L29, PXP2_REG_RQ_BW_WR_ADD29,
501 		PXP2_REG_RQ_BW_WR_UBOUND29},
502 	{PXP2_REG_RQ_BW_WR_L30, PXP2_REG_RQ_BW_WR_ADD30,
503 		PXP2_REG_RQ_BW_WR_UBOUND30}
504 };
505 
506 static void ecore_init_pxp_arb(struct bxe_softc *sc, int r_order,
507 			       int w_order)
508 {
509 	uint32_t val, i;
510 
511 	if (r_order > MAX_RD_ORD) {
512 		ECORE_MSG(sc, "read order of %d  order adjusted to %d\n",
513 			   r_order, MAX_RD_ORD);
514 		r_order = MAX_RD_ORD;
515 	}
516 	if (w_order > MAX_WR_ORD) {
517 		ECORE_MSG(sc, "write order of %d  order adjusted to %d\n",
518 			   w_order, MAX_WR_ORD);
519 		w_order = MAX_WR_ORD;
520 	}
521 	if (CHIP_REV_IS_FPGA(sc)) {
522 		ECORE_MSG(sc, "write order adjusted to 1 for FPGA\n");
523 		w_order = 0;
524 	}
525 	ECORE_MSG(sc, "read order %d  write order %d\n", r_order, w_order);
526 
527 	for (i = 0; i < NUM_RD_Q-1; i++) {
528 		REG_WR(sc, read_arb_addr[i].l, read_arb_data[i][r_order].l);
529 		REG_WR(sc, read_arb_addr[i].add,
530 		       read_arb_data[i][r_order].add);
531 		REG_WR(sc, read_arb_addr[i].ubound,
532 		       read_arb_data[i][r_order].ubound);
533 	}
534 
535 	for (i = 0; i < NUM_WR_Q-1; i++) {
536 		if ((write_arb_addr[i].l == PXP2_REG_RQ_BW_WR_L29) ||
537 		    (write_arb_addr[i].l == PXP2_REG_RQ_BW_WR_L30)) {
538 
539 			REG_WR(sc, write_arb_addr[i].l,
540 			       write_arb_data[i][w_order].l);
541 
542 			REG_WR(sc, write_arb_addr[i].add,
543 			       write_arb_data[i][w_order].add);
544 
545 			REG_WR(sc, write_arb_addr[i].ubound,
546 			       write_arb_data[i][w_order].ubound);
547 		} else {
548 
549 			val = REG_RD(sc, write_arb_addr[i].l);
550 			REG_WR(sc, write_arb_addr[i].l,
551 			       val | (write_arb_data[i][w_order].l << 10));
552 
553 			val = REG_RD(sc, write_arb_addr[i].add);
554 			REG_WR(sc, write_arb_addr[i].add,
555 			       val | (write_arb_data[i][w_order].add << 10));
556 
557 			val = REG_RD(sc, write_arb_addr[i].ubound);
558 			REG_WR(sc, write_arb_addr[i].ubound,
559 			       val | (write_arb_data[i][w_order].ubound << 7));
560 		}
561 	}
562 
563 	val =  write_arb_data[NUM_WR_Q-1][w_order].add;
564 	val += write_arb_data[NUM_WR_Q-1][w_order].ubound << 10;
565 	val += write_arb_data[NUM_WR_Q-1][w_order].l << 17;
566 	REG_WR(sc, PXP2_REG_PSWRQ_BW_RD, val);
567 
568 	val =  read_arb_data[NUM_RD_Q-1][r_order].add;
569 	val += read_arb_data[NUM_RD_Q-1][r_order].ubound << 10;
570 	val += read_arb_data[NUM_RD_Q-1][r_order].l << 17;
571 	REG_WR(sc, PXP2_REG_PSWRQ_BW_WR, val);
572 
573 	REG_WR(sc, PXP2_REG_RQ_WR_MBS0, w_order);
574 	REG_WR(sc, PXP2_REG_RQ_WR_MBS1, w_order);
575 	REG_WR(sc, PXP2_REG_RQ_RD_MBS0, r_order);
576 	REG_WR(sc, PXP2_REG_RQ_RD_MBS1, r_order);
577 
578 	if ((CHIP_IS_E1(sc) || CHIP_IS_E1H(sc)) && (r_order == MAX_RD_ORD))
579 		REG_WR(sc, PXP2_REG_RQ_PDR_LIMIT, 0xe00);
580 
581 	if (CHIP_IS_E3(sc))
582 		REG_WR(sc, PXP2_REG_WR_USDMDP_TH, (0x4 << w_order));
583 	else if (CHIP_IS_E2(sc))
584 		REG_WR(sc, PXP2_REG_WR_USDMDP_TH, (0x8 << w_order));
585 	else
586 		REG_WR(sc, PXP2_REG_WR_USDMDP_TH, (0x18 << w_order));
587 
588 	if (!CHIP_IS_E1(sc)) {
589 		/*    MPS      w_order     optimal TH      presently TH
590 		 *    128         0             0               2
591 		 *    256         1             1               3
592 		 *    >=512       2             2               3
593 		 */
594 		/* DMAE is special */
595 		if (!CHIP_IS_E1H(sc)) {
596 			/* E2 can use optimal TH */
597 			val = w_order;
598 			REG_WR(sc, PXP2_REG_WR_DMAE_MPS, val);
599 		} else {
600 			val = ((w_order == 0) ? 2 : 3);
601 			REG_WR(sc, PXP2_REG_WR_DMAE_MPS, 2);
602 		}
603 
604 		REG_WR(sc, PXP2_REG_WR_HC_MPS, val);
605 		REG_WR(sc, PXP2_REG_WR_USDM_MPS, val);
606 		REG_WR(sc, PXP2_REG_WR_CSDM_MPS, val);
607 		REG_WR(sc, PXP2_REG_WR_TSDM_MPS, val);
608 		REG_WR(sc, PXP2_REG_WR_XSDM_MPS, val);
609 		REG_WR(sc, PXP2_REG_WR_QM_MPS, val);
610 		REG_WR(sc, PXP2_REG_WR_TM_MPS, val);
611 		REG_WR(sc, PXP2_REG_WR_SRC_MPS, val);
612 		REG_WR(sc, PXP2_REG_WR_DBG_MPS, val);
613 		REG_WR(sc, PXP2_REG_WR_CDU_MPS, val);
614 	}
615 
616 	/* Validate number of tags suppoted by device */
617 #define PCIE_REG_PCIER_TL_HDR_FC_ST		0x2980
618 	val = REG_RD(sc, PCIE_REG_PCIER_TL_HDR_FC_ST);
619 	val &= 0xFF;
620 	if (val <= 0x20)
621 		REG_WR(sc, PXP2_REG_PGL_TAGS_LIMIT, 0x20);
622 }
623 
624 /****************************************************************************
625 * ILT management
626 ****************************************************************************/
627 /*
628  * This codes hides the low level HW interaction for ILT management and
629  * configuration. The API consists of a shadow ILT table which is set by the
630  * driver and a set of routines to use it to configure the HW.
631  *
632  */
633 
634 /* ILT HW init operations */
635 
636 /* ILT memory management operations */
637 #define ILT_MEMOP_ALLOC		0
638 #define ILT_MEMOP_FREE		1
639 
640 /* the phys address is shifted right 12 bits and has an added
641  * 1=valid bit added to the 53rd bit
642  * then since this is a wide register(TM)
643  * we split it into two 32 bit writes
644  */
645 #define ILT_ADDR1(x)		((uint32_t)(((uint64_t)x >> 12) & 0xFFFFFFFF))
646 #define ILT_ADDR2(x)		((uint32_t)((1 << 20) | ((uint64_t)x >> 44)))
647 #define ILT_RANGE(f, l)		(((l) << 10) | f)
648 
649 static int ecore_ilt_line_mem_op(struct bxe_softc *sc,
650 				 struct ilt_line *line, uint32_t size, uint8_t memop)
651 {
652 	if (memop == ILT_MEMOP_FREE) {
653 		ECORE_ILT_FREE(line->page, line->page_mapping, line->size);
654 		return 0;
655 	}
656 	ECORE_ILT_ZALLOC(line->page, &line->page_mapping, size);
657 	if (!line->page)
658 		return -1;
659 	line->size = size;
660 	return 0;
661 }
662 
663 
664 static int ecore_ilt_client_mem_op(struct bxe_softc *sc, int cli_num,
665 				   uint8_t memop)
666 {
667 	int i, rc;
668 	struct ecore_ilt *ilt = SC_ILT(sc);
669 	struct ilt_client_info *ilt_cli = &ilt->clients[cli_num];
670 
671 	if (!ilt || !ilt->lines)
672 		return -1;
673 
674 	if (ilt_cli->flags & (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM))
675 		return 0;
676 
677 	for (rc = 0, i = ilt_cli->start; i <= ilt_cli->end && !rc; i++) {
678 		rc = ecore_ilt_line_mem_op(sc, &ilt->lines[i],
679 					   ilt_cli->page_size, memop);
680 	}
681 	return rc;
682 }
683 
684 static inline int ecore_ilt_mem_op_cnic(struct bxe_softc *sc, uint8_t memop)
685 {
686 	int rc = 0;
687 
688 	if (CONFIGURE_NIC_MODE(sc))
689 		rc = ecore_ilt_client_mem_op(sc, ILT_CLIENT_SRC, memop);
690 	if (!rc)
691 		rc = ecore_ilt_client_mem_op(sc, ILT_CLIENT_TM, memop);
692 
693 	return rc;
694 }
695 
696 static int ecore_ilt_mem_op(struct bxe_softc *sc, uint8_t memop)
697 {
698 	int rc = ecore_ilt_client_mem_op(sc, ILT_CLIENT_CDU, memop);
699 	if (!rc)
700 		rc = ecore_ilt_client_mem_op(sc, ILT_CLIENT_QM, memop);
701 	if (!rc && CNIC_SUPPORT(sc) && !CONFIGURE_NIC_MODE(sc))
702 		rc = ecore_ilt_client_mem_op(sc, ILT_CLIENT_SRC, memop);
703 
704 	return rc;
705 }
706 
707 static void ecore_ilt_line_wr(struct bxe_softc *sc, int abs_idx,
708 			      ecore_dma_addr_t page_mapping)
709 {
710 	uint32_t reg;
711 
712 	if (CHIP_IS_E1(sc))
713 		reg = PXP2_REG_RQ_ONCHIP_AT + abs_idx*8;
714 	else
715 		reg = PXP2_REG_RQ_ONCHIP_AT_B0 + abs_idx*8;
716 
717 	ecore_wr_64(sc, reg, ILT_ADDR1(page_mapping), ILT_ADDR2(page_mapping));
718 }
719 
720 static void ecore_ilt_line_init_op(struct bxe_softc *sc,
721 				   struct ecore_ilt *ilt, int idx, uint8_t initop)
722 {
723 	ecore_dma_addr_t	null_mapping;
724 	int abs_idx = ilt->start_line + idx;
725 
726 
727 	switch (initop) {
728 	case INITOP_INIT:
729 		/* set in the init-value array */
730 	case INITOP_SET:
731 		ecore_ilt_line_wr(sc, abs_idx, ilt->lines[idx].page_mapping);
732 		break;
733 	case INITOP_CLEAR:
734 		null_mapping = 0;
735 		ecore_ilt_line_wr(sc, abs_idx, null_mapping);
736 		break;
737 	}
738 }
739 
740 static void ecore_ilt_boundry_init_op(struct bxe_softc *sc,
741 				      struct ilt_client_info *ilt_cli,
742 				      uint32_t ilt_start, uint8_t initop)
743 {
744 	uint32_t start_reg = 0;
745 	uint32_t end_reg = 0;
746 
747 	/* The boundary is either SET or INIT,
748 	   CLEAR => SET and for now SET ~~ INIT */
749 
750 	/* find the appropriate regs */
751 	if (CHIP_IS_E1(sc)) {
752 		switch (ilt_cli->client_num) {
753 		case ILT_CLIENT_CDU:
754 			start_reg = PXP2_REG_PSWRQ_CDU0_L2P;
755 			break;
756 		case ILT_CLIENT_QM:
757 			start_reg = PXP2_REG_PSWRQ_QM0_L2P;
758 			break;
759 		case ILT_CLIENT_SRC:
760 			start_reg = PXP2_REG_PSWRQ_SRC0_L2P;
761 			break;
762 		case ILT_CLIENT_TM:
763 			start_reg = PXP2_REG_PSWRQ_TM0_L2P;
764 			break;
765 		}
766 		REG_WR(sc, start_reg + SC_FUNC(sc)*4,
767 		       ILT_RANGE((ilt_start + ilt_cli->start),
768 				 (ilt_start + ilt_cli->end)));
769 	} else {
770 		switch (ilt_cli->client_num) {
771 		case ILT_CLIENT_CDU:
772 			start_reg = PXP2_REG_RQ_CDU_FIRST_ILT;
773 			end_reg = PXP2_REG_RQ_CDU_LAST_ILT;
774 			break;
775 		case ILT_CLIENT_QM:
776 			start_reg = PXP2_REG_RQ_QM_FIRST_ILT;
777 			end_reg = PXP2_REG_RQ_QM_LAST_ILT;
778 			break;
779 		case ILT_CLIENT_SRC:
780 			start_reg = PXP2_REG_RQ_SRC_FIRST_ILT;
781 			end_reg = PXP2_REG_RQ_SRC_LAST_ILT;
782 			break;
783 		case ILT_CLIENT_TM:
784 			start_reg = PXP2_REG_RQ_TM_FIRST_ILT;
785 			end_reg = PXP2_REG_RQ_TM_LAST_ILT;
786 			break;
787 		}
788 		REG_WR(sc, start_reg, (ilt_start + ilt_cli->start));
789 		REG_WR(sc, end_reg, (ilt_start + ilt_cli->end));
790 	}
791 }
792 
793 static void ecore_ilt_client_init_op_ilt(struct bxe_softc *sc,
794 					 struct ecore_ilt *ilt,
795 					 struct ilt_client_info *ilt_cli,
796 					 uint8_t initop)
797 {
798 	int i;
799 
800 	if (ilt_cli->flags & ILT_CLIENT_SKIP_INIT)
801 		return;
802 
803 	for (i = ilt_cli->start; i <= ilt_cli->end; i++)
804 		ecore_ilt_line_init_op(sc, ilt, i, initop);
805 
806 	/* init/clear the ILT boundries */
807 	ecore_ilt_boundry_init_op(sc, ilt_cli, ilt->start_line, initop);
808 }
809 
810 static void ecore_ilt_client_init_op(struct bxe_softc *sc,
811 				     struct ilt_client_info *ilt_cli, uint8_t initop)
812 {
813 	struct ecore_ilt *ilt = SC_ILT(sc);
814 
815 	ecore_ilt_client_init_op_ilt(sc, ilt, ilt_cli, initop);
816 }
817 
818 static void ecore_ilt_client_id_init_op(struct bxe_softc *sc,
819 					int cli_num, uint8_t initop)
820 {
821 	struct ecore_ilt *ilt = SC_ILT(sc);
822 	struct ilt_client_info *ilt_cli = &ilt->clients[cli_num];
823 
824 	ecore_ilt_client_init_op(sc, ilt_cli, initop);
825 }
826 
827 static inline void ecore_ilt_init_op_cnic(struct bxe_softc *sc, uint8_t initop)
828 {
829 	if (CONFIGURE_NIC_MODE(sc))
830 		ecore_ilt_client_id_init_op(sc, ILT_CLIENT_SRC, initop);
831 	ecore_ilt_client_id_init_op(sc, ILT_CLIENT_TM, initop);
832 }
833 
834 static void ecore_ilt_init_op(struct bxe_softc *sc, uint8_t initop)
835 {
836 	ecore_ilt_client_id_init_op(sc, ILT_CLIENT_CDU, initop);
837 	ecore_ilt_client_id_init_op(sc, ILT_CLIENT_QM, initop);
838 	if (CNIC_SUPPORT(sc) && !CONFIGURE_NIC_MODE(sc))
839 		ecore_ilt_client_id_init_op(sc, ILT_CLIENT_SRC, initop);
840 }
841 
842 static void ecore_ilt_init_client_psz(struct bxe_softc *sc, int cli_num,
843 				      uint32_t psz_reg, uint8_t initop)
844 {
845 	struct ecore_ilt *ilt = SC_ILT(sc);
846 	struct ilt_client_info *ilt_cli = &ilt->clients[cli_num];
847 
848 	if (ilt_cli->flags & ILT_CLIENT_SKIP_INIT)
849 		return;
850 
851 	switch (initop) {
852 	case INITOP_INIT:
853 		/* set in the init-value array */
854 	case INITOP_SET:
855 		REG_WR(sc, psz_reg, ILOG2(ilt_cli->page_size >> 12));
856 		break;
857 	case INITOP_CLEAR:
858 		break;
859 	}
860 }
861 
862 /*
863  * called during init common stage, ilt clients should be initialized
864  * prioir to calling this function
865  */
866 static void ecore_ilt_init_page_size(struct bxe_softc *sc, uint8_t initop)
867 {
868 	ecore_ilt_init_client_psz(sc, ILT_CLIENT_CDU,
869 				  PXP2_REG_RQ_CDU_P_SIZE, initop);
870 	ecore_ilt_init_client_psz(sc, ILT_CLIENT_QM,
871 				  PXP2_REG_RQ_QM_P_SIZE, initop);
872 	ecore_ilt_init_client_psz(sc, ILT_CLIENT_SRC,
873 				  PXP2_REG_RQ_SRC_P_SIZE, initop);
874 	ecore_ilt_init_client_psz(sc, ILT_CLIENT_TM,
875 				  PXP2_REG_RQ_TM_P_SIZE, initop);
876 }
877 
878 /****************************************************************************
879 * QM initializations
880 ****************************************************************************/
881 #define QM_QUEUES_PER_FUNC	16 /* E1 has 32, but only 16 are used */
882 #define QM_INIT_MIN_CID_COUNT	31
883 #define QM_INIT(cid_cnt)	(cid_cnt > QM_INIT_MIN_CID_COUNT)
884 
885 /* called during init port stage */
886 static void ecore_qm_init_cid_count(struct bxe_softc *sc, int qm_cid_count,
887 				    uint8_t initop)
888 {
889 	int port = SC_PORT(sc);
890 
891 	if (QM_INIT(qm_cid_count)) {
892 		switch (initop) {
893 		case INITOP_INIT:
894 			/* set in the init-value array */
895 		case INITOP_SET:
896 			REG_WR(sc, QM_REG_CONNNUM_0 + port*4,
897 			       qm_cid_count/16 - 1);
898 			break;
899 		case INITOP_CLEAR:
900 			break;
901 		}
902 	}
903 }
904 
905 static void ecore_qm_set_ptr_table(struct bxe_softc *sc, int qm_cid_count,
906 				   uint32_t base_reg, uint32_t reg)
907 {
908 	int i;
909 	uint32_t wb_data[2] = {0, 0};
910 	for (i = 0; i < 4 * QM_QUEUES_PER_FUNC; i++) {
911 		REG_WR(sc, base_reg + i*4,
912 		       qm_cid_count * 4 * (i % QM_QUEUES_PER_FUNC));
913 		ecore_init_wr_wb(sc, reg + i*8,
914 				 wb_data, 2);
915 	}
916 }
917 
918 /* called during init common stage */
919 static void ecore_qm_init_ptr_table(struct bxe_softc *sc, int qm_cid_count,
920 				    uint8_t initop)
921 {
922 	if (!QM_INIT(qm_cid_count))
923 		return;
924 
925 	switch (initop) {
926 	case INITOP_INIT:
927 		/* set in the init-value array */
928 	case INITOP_SET:
929 		ecore_qm_set_ptr_table(sc, qm_cid_count,
930 				       QM_REG_BASEADDR, QM_REG_PTRTBL);
931 		if (CHIP_IS_E1H(sc))
932 			ecore_qm_set_ptr_table(sc, qm_cid_count,
933 					       QM_REG_BASEADDR_EXT_A,
934 					       QM_REG_PTRTBL_EXT_A);
935 		break;
936 	case INITOP_CLEAR:
937 		break;
938 	}
939 }
940 
941 /****************************************************************************
942 * SRC initializations
943 ****************************************************************************/
944 #ifdef ECORE_L5
945 /* called during init func stage */
946 static void ecore_src_init_t2(struct bxe_softc *sc, struct src_ent *t2,
947 			      ecore_dma_addr_t t2_mapping, int src_cid_count)
948 {
949 	int i;
950 	int port = SC_PORT(sc);
951 
952 	/* Initialize T2 */
953 	for (i = 0; i < src_cid_count-1; i++)
954 		t2[i].next = (uint64_t)(t2_mapping +
955 			     (i+1)*sizeof(struct src_ent));
956 
957 	/* tell the searcher where the T2 table is */
958 	REG_WR(sc, SRC_REG_COUNTFREE0 + port*4, src_cid_count);
959 
960 	ecore_wr_64(sc, SRC_REG_FIRSTFREE0 + port*16,
961 		    U64_LO(t2_mapping), U64_HI(t2_mapping));
962 
963 	ecore_wr_64(sc, SRC_REG_LASTFREE0 + port*16,
964 		    U64_LO((uint64_t)t2_mapping +
965 			   (src_cid_count-1) * sizeof(struct src_ent)),
966 		    U64_HI((uint64_t)t2_mapping +
967 			   (src_cid_count-1) * sizeof(struct src_ent)));
968 }
969 #endif
970 #endif /* ECORE_INIT_OPS_H */
971