1/*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c)  2003-2014 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7#include "qla_def.h"
8
9#include <linux/delay.h>
10#include <linux/slab.h>
11#include <linux/vmalloc.h>
12#include <asm/uaccess.h>
13
14/*
15 * NVRAM support routines
16 */
17
18/**
19 * qla2x00_lock_nvram_access() -
20 * @ha: HA context
21 */
22static void
23qla2x00_lock_nvram_access(struct qla_hw_data *ha)
24{
25	uint16_t data;
26	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
27
28	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
29		data = RD_REG_WORD(&reg->nvram);
30		while (data & NVR_BUSY) {
31			udelay(100);
32			data = RD_REG_WORD(&reg->nvram);
33		}
34
35		/* Lock resource */
36		WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
37		RD_REG_WORD(&reg->u.isp2300.host_semaphore);
38		udelay(5);
39		data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
40		while ((data & BIT_0) == 0) {
41			/* Lock failed */
42			udelay(100);
43			WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0x1);
44			RD_REG_WORD(&reg->u.isp2300.host_semaphore);
45			udelay(5);
46			data = RD_REG_WORD(&reg->u.isp2300.host_semaphore);
47		}
48	}
49}
50
51/**
52 * qla2x00_unlock_nvram_access() -
53 * @ha: HA context
54 */
55static void
56qla2x00_unlock_nvram_access(struct qla_hw_data *ha)
57{
58	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
59
60	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) {
61		WRT_REG_WORD(&reg->u.isp2300.host_semaphore, 0);
62		RD_REG_WORD(&reg->u.isp2300.host_semaphore);
63	}
64}
65
66/**
67 * qla2x00_nv_write() - Prepare for NVRAM read/write operation.
68 * @ha: HA context
69 * @data: Serial interface selector
70 */
71static void
72qla2x00_nv_write(struct qla_hw_data *ha, uint16_t data)
73{
74	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
75
76	WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
77	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
78	NVRAM_DELAY();
79	WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_CLOCK |
80	    NVR_WRT_ENABLE);
81	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
82	NVRAM_DELAY();
83	WRT_REG_WORD(&reg->nvram, data | NVR_SELECT | NVR_WRT_ENABLE);
84	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
85	NVRAM_DELAY();
86}
87
88/**
89 * qla2x00_nvram_request() - Sends read command to NVRAM and gets data from
90 *	NVRAM.
91 * @ha: HA context
92 * @nv_cmd: NVRAM command
93 *
94 * Bit definitions for NVRAM command:
95 *
96 *	Bit 26     = start bit
97 *	Bit 25, 24 = opcode
98 *	Bit 23-16  = address
99 *	Bit 15-0   = write data
100 *
101 * Returns the word read from nvram @addr.
102 */
103static uint16_t
104qla2x00_nvram_request(struct qla_hw_data *ha, uint32_t nv_cmd)
105{
106	uint8_t		cnt;
107	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
108	uint16_t	data = 0;
109	uint16_t	reg_data;
110
111	/* Send command to NVRAM. */
112	nv_cmd <<= 5;
113	for (cnt = 0; cnt < 11; cnt++) {
114		if (nv_cmd & BIT_31)
115			qla2x00_nv_write(ha, NVR_DATA_OUT);
116		else
117			qla2x00_nv_write(ha, 0);
118		nv_cmd <<= 1;
119	}
120
121	/* Read data from NVRAM. */
122	for (cnt = 0; cnt < 16; cnt++) {
123		WRT_REG_WORD(&reg->nvram, NVR_SELECT | NVR_CLOCK);
124		RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
125		NVRAM_DELAY();
126		data <<= 1;
127		reg_data = RD_REG_WORD(&reg->nvram);
128		if (reg_data & NVR_DATA_IN)
129			data |= BIT_0;
130		WRT_REG_WORD(&reg->nvram, NVR_SELECT);
131		RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
132		NVRAM_DELAY();
133	}
134
135	/* Deselect chip. */
136	WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
137	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
138	NVRAM_DELAY();
139
140	return data;
141}
142
143
144/**
145 * qla2x00_get_nvram_word() - Calculates word position in NVRAM and calls the
146 *	request routine to get the word from NVRAM.
147 * @ha: HA context
148 * @addr: Address in NVRAM to read
149 *
150 * Returns the word read from nvram @addr.
151 */
152static uint16_t
153qla2x00_get_nvram_word(struct qla_hw_data *ha, uint32_t addr)
154{
155	uint16_t	data;
156	uint32_t	nv_cmd;
157
158	nv_cmd = addr << 16;
159	nv_cmd |= NV_READ_OP;
160	data = qla2x00_nvram_request(ha, nv_cmd);
161
162	return (data);
163}
164
165/**
166 * qla2x00_nv_deselect() - Deselect NVRAM operations.
167 * @ha: HA context
168 */
169static void
170qla2x00_nv_deselect(struct qla_hw_data *ha)
171{
172	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
173
174	WRT_REG_WORD(&reg->nvram, NVR_DESELECT);
175	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
176	NVRAM_DELAY();
177}
178
179/**
180 * qla2x00_write_nvram_word() - Write NVRAM data.
181 * @ha: HA context
182 * @addr: Address in NVRAM to write
183 * @data: word to program
184 */
185static void
186qla2x00_write_nvram_word(struct qla_hw_data *ha, uint32_t addr, uint16_t data)
187{
188	int count;
189	uint16_t word;
190	uint32_t nv_cmd, wait_cnt;
191	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
192	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
193
194	qla2x00_nv_write(ha, NVR_DATA_OUT);
195	qla2x00_nv_write(ha, 0);
196	qla2x00_nv_write(ha, 0);
197
198	for (word = 0; word < 8; word++)
199		qla2x00_nv_write(ha, NVR_DATA_OUT);
200
201	qla2x00_nv_deselect(ha);
202
203	/* Write data */
204	nv_cmd = (addr << 16) | NV_WRITE_OP;
205	nv_cmd |= data;
206	nv_cmd <<= 5;
207	for (count = 0; count < 27; count++) {
208		if (nv_cmd & BIT_31)
209			qla2x00_nv_write(ha, NVR_DATA_OUT);
210		else
211			qla2x00_nv_write(ha, 0);
212
213		nv_cmd <<= 1;
214	}
215
216	qla2x00_nv_deselect(ha);
217
218	/* Wait for NVRAM to become ready */
219	WRT_REG_WORD(&reg->nvram, NVR_SELECT);
220	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
221	wait_cnt = NVR_WAIT_CNT;
222	do {
223		if (!--wait_cnt) {
224			ql_dbg(ql_dbg_user, vha, 0x708d,
225			    "NVRAM didn't go ready...\n");
226			break;
227		}
228		NVRAM_DELAY();
229		word = RD_REG_WORD(&reg->nvram);
230	} while ((word & NVR_DATA_IN) == 0);
231
232	qla2x00_nv_deselect(ha);
233
234	/* Disable writes */
235	qla2x00_nv_write(ha, NVR_DATA_OUT);
236	for (count = 0; count < 10; count++)
237		qla2x00_nv_write(ha, 0);
238
239	qla2x00_nv_deselect(ha);
240}
241
242static int
243qla2x00_write_nvram_word_tmo(struct qla_hw_data *ha, uint32_t addr,
244	uint16_t data, uint32_t tmo)
245{
246	int ret, count;
247	uint16_t word;
248	uint32_t nv_cmd;
249	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
250
251	ret = QLA_SUCCESS;
252
253	qla2x00_nv_write(ha, NVR_DATA_OUT);
254	qla2x00_nv_write(ha, 0);
255	qla2x00_nv_write(ha, 0);
256
257	for (word = 0; word < 8; word++)
258		qla2x00_nv_write(ha, NVR_DATA_OUT);
259
260	qla2x00_nv_deselect(ha);
261
262	/* Write data */
263	nv_cmd = (addr << 16) | NV_WRITE_OP;
264	nv_cmd |= data;
265	nv_cmd <<= 5;
266	for (count = 0; count < 27; count++) {
267		if (nv_cmd & BIT_31)
268			qla2x00_nv_write(ha, NVR_DATA_OUT);
269		else
270			qla2x00_nv_write(ha, 0);
271
272		nv_cmd <<= 1;
273	}
274
275	qla2x00_nv_deselect(ha);
276
277	/* Wait for NVRAM to become ready */
278	WRT_REG_WORD(&reg->nvram, NVR_SELECT);
279	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
280	do {
281		NVRAM_DELAY();
282		word = RD_REG_WORD(&reg->nvram);
283		if (!--tmo) {
284			ret = QLA_FUNCTION_FAILED;
285			break;
286		}
287	} while ((word & NVR_DATA_IN) == 0);
288
289	qla2x00_nv_deselect(ha);
290
291	/* Disable writes */
292	qla2x00_nv_write(ha, NVR_DATA_OUT);
293	for (count = 0; count < 10; count++)
294		qla2x00_nv_write(ha, 0);
295
296	qla2x00_nv_deselect(ha);
297
298	return ret;
299}
300
301/**
302 * qla2x00_clear_nvram_protection() -
303 * @ha: HA context
304 */
305static int
306qla2x00_clear_nvram_protection(struct qla_hw_data *ha)
307{
308	int ret, stat;
309	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
310	uint32_t word, wait_cnt;
311	uint16_t wprot, wprot_old;
312	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
313
314	/* Clear NVRAM write protection. */
315	ret = QLA_FUNCTION_FAILED;
316
317	wprot_old = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
318	stat = qla2x00_write_nvram_word_tmo(ha, ha->nvram_base,
319					    cpu_to_le16(0x1234), 100000);
320	wprot = cpu_to_le16(qla2x00_get_nvram_word(ha, ha->nvram_base));
321	if (stat != QLA_SUCCESS || wprot != 0x1234) {
322		/* Write enable. */
323		qla2x00_nv_write(ha, NVR_DATA_OUT);
324		qla2x00_nv_write(ha, 0);
325		qla2x00_nv_write(ha, 0);
326		for (word = 0; word < 8; word++)
327			qla2x00_nv_write(ha, NVR_DATA_OUT);
328
329		qla2x00_nv_deselect(ha);
330
331		/* Enable protection register. */
332		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
333		qla2x00_nv_write(ha, NVR_PR_ENABLE);
334		qla2x00_nv_write(ha, NVR_PR_ENABLE);
335		for (word = 0; word < 8; word++)
336			qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
337
338		qla2x00_nv_deselect(ha);
339
340		/* Clear protection register (ffff is cleared). */
341		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
342		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
343		qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
344		for (word = 0; word < 8; word++)
345			qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
346
347		qla2x00_nv_deselect(ha);
348
349		/* Wait for NVRAM to become ready. */
350		WRT_REG_WORD(&reg->nvram, NVR_SELECT);
351		RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
352		wait_cnt = NVR_WAIT_CNT;
353		do {
354			if (!--wait_cnt) {
355				ql_dbg(ql_dbg_user, vha, 0x708e,
356				    "NVRAM didn't go ready...\n");
357				break;
358			}
359			NVRAM_DELAY();
360			word = RD_REG_WORD(&reg->nvram);
361		} while ((word & NVR_DATA_IN) == 0);
362
363		if (wait_cnt)
364			ret = QLA_SUCCESS;
365	} else
366		qla2x00_write_nvram_word(ha, ha->nvram_base, wprot_old);
367
368	return ret;
369}
370
371static void
372qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
373{
374	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
375	uint32_t word, wait_cnt;
376	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
377
378	if (stat != QLA_SUCCESS)
379		return;
380
381	/* Set NVRAM write protection. */
382	/* Write enable. */
383	qla2x00_nv_write(ha, NVR_DATA_OUT);
384	qla2x00_nv_write(ha, 0);
385	qla2x00_nv_write(ha, 0);
386	for (word = 0; word < 8; word++)
387		qla2x00_nv_write(ha, NVR_DATA_OUT);
388
389	qla2x00_nv_deselect(ha);
390
391	/* Enable protection register. */
392	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
393	qla2x00_nv_write(ha, NVR_PR_ENABLE);
394	qla2x00_nv_write(ha, NVR_PR_ENABLE);
395	for (word = 0; word < 8; word++)
396		qla2x00_nv_write(ha, NVR_DATA_OUT | NVR_PR_ENABLE);
397
398	qla2x00_nv_deselect(ha);
399
400	/* Enable protection register. */
401	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
402	qla2x00_nv_write(ha, NVR_PR_ENABLE);
403	qla2x00_nv_write(ha, NVR_PR_ENABLE | NVR_DATA_OUT);
404	for (word = 0; word < 8; word++)
405		qla2x00_nv_write(ha, NVR_PR_ENABLE);
406
407	qla2x00_nv_deselect(ha);
408
409	/* Wait for NVRAM to become ready. */
410	WRT_REG_WORD(&reg->nvram, NVR_SELECT);
411	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
412	wait_cnt = NVR_WAIT_CNT;
413	do {
414		if (!--wait_cnt) {
415			ql_dbg(ql_dbg_user, vha, 0x708f,
416			    "NVRAM didn't go ready...\n");
417			break;
418		}
419		NVRAM_DELAY();
420		word = RD_REG_WORD(&reg->nvram);
421	} while ((word & NVR_DATA_IN) == 0);
422}
423
424
425/*****************************************************************************/
426/* Flash Manipulation Routines                                               */
427/*****************************************************************************/
428
429static inline uint32_t
430flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
431{
432	return ha->flash_conf_off | faddr;
433}
434
435static inline uint32_t
436flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
437{
438	return ha->flash_data_off | faddr;
439}
440
441static inline uint32_t
442nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
443{
444	return ha->nvram_conf_off | naddr;
445}
446
447static inline uint32_t
448nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
449{
450	return ha->nvram_data_off | naddr;
451}
452
453static uint32_t
454qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr)
455{
456	int rval;
457	uint32_t cnt, data;
458	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
459
460	WRT_REG_DWORD(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
461	/* Wait for READ cycle to complete. */
462	rval = QLA_SUCCESS;
463	for (cnt = 3000;
464	    (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) == 0 &&
465	    rval == QLA_SUCCESS; cnt--) {
466		if (cnt)
467			udelay(10);
468		else
469			rval = QLA_FUNCTION_TIMEOUT;
470		cond_resched();
471	}
472
473	/* TODO: What happens if we time out? */
474	data = 0xDEADDEAD;
475	if (rval == QLA_SUCCESS)
476		data = RD_REG_DWORD(&reg->flash_data);
477
478	return data;
479}
480
481uint32_t *
482qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
483    uint32_t dwords)
484{
485	uint32_t i;
486	struct qla_hw_data *ha = vha->hw;
487
488	/* Dword reads to flash. */
489	for (i = 0; i < dwords; i++, faddr++)
490		dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
491		    flash_data_addr(ha, faddr)));
492
493	return dwptr;
494}
495
496static int
497qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
498{
499	int rval;
500	uint32_t cnt;
501	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
502
503	WRT_REG_DWORD(&reg->flash_data, data);
504	RD_REG_DWORD(&reg->flash_data);		/* PCI Posting. */
505	WRT_REG_DWORD(&reg->flash_addr, addr | FARX_DATA_FLAG);
506	/* Wait for Write cycle to complete. */
507	rval = QLA_SUCCESS;
508	for (cnt = 500000; (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) &&
509	    rval == QLA_SUCCESS; cnt--) {
510		if (cnt)
511			udelay(10);
512		else
513			rval = QLA_FUNCTION_TIMEOUT;
514		cond_resched();
515	}
516	return rval;
517}
518
519static void
520qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
521    uint8_t *flash_id)
522{
523	uint32_t ids;
524
525	ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x03ab));
526	*man_id = LSB(ids);
527	*flash_id = MSB(ids);
528
529	/* Check if man_id and flash_id are valid. */
530	if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
531		/* Read information using 0x9f opcode
532		 * Device ID, Mfg ID would be read in the format:
533		 *   <Ext Dev Info><Device ID Part2><Device ID Part 1><Mfg ID>
534		 * Example: ATMEL 0x00 01 45 1F
535		 * Extract MFG and Dev ID from last two bytes.
536		 */
537		ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x009f));
538		*man_id = LSB(ids);
539		*flash_id = MSB(ids);
540	}
541}
542
543static int
544qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
545{
546	const char *loc, *locations[] = { "DEF", "PCI" };
547	uint32_t pcihdr, pcids;
548	uint32_t *dcode;
549	uint8_t *buf, *bcode, last_image;
550	uint16_t cnt, chksum, *wptr;
551	struct qla_flt_location *fltl;
552	struct qla_hw_data *ha = vha->hw;
553	struct req_que *req = ha->req_q_map[0];
554
555	/*
556	 * FLT-location structure resides after the last PCI region.
557	 */
558
559	/* Begin with sane defaults. */
560	loc = locations[0];
561	*start = 0;
562	if (IS_QLA24XX_TYPE(ha))
563		*start = FA_FLASH_LAYOUT_ADDR_24;
564	else if (IS_QLA25XX(ha))
565		*start = FA_FLASH_LAYOUT_ADDR;
566	else if (IS_QLA81XX(ha))
567		*start = FA_FLASH_LAYOUT_ADDR_81;
568	else if (IS_P3P_TYPE(ha)) {
569		*start = FA_FLASH_LAYOUT_ADDR_82;
570		goto end;
571	} else if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
572		*start = FA_FLASH_LAYOUT_ADDR_83;
573		goto end;
574	}
575	/* Begin with first PCI expansion ROM header. */
576	buf = (uint8_t *)req->ring;
577	dcode = (uint32_t *)req->ring;
578	pcihdr = 0;
579	last_image = 1;
580	do {
581		/* Verify PCI expansion ROM header. */
582		qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
583		bcode = buf + (pcihdr % 4);
584		if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
585			goto end;
586
587		/* Locate PCI data structure. */
588		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
589		qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
590		bcode = buf + (pcihdr % 4);
591
592		/* Validate signature of PCI data structure. */
593		if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
594		    bcode[0x2] != 'I' || bcode[0x3] != 'R')
595			goto end;
596
597		last_image = bcode[0x15] & BIT_7;
598
599		/* Locate next PCI expansion ROM. */
600		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
601	} while (!last_image);
602
603	/* Now verify FLT-location structure. */
604	fltl = (struct qla_flt_location *)req->ring;
605	qla24xx_read_flash_data(vha, dcode, pcihdr >> 2,
606	    sizeof(struct qla_flt_location) >> 2);
607	if (fltl->sig[0] != 'Q' || fltl->sig[1] != 'F' ||
608	    fltl->sig[2] != 'L' || fltl->sig[3] != 'T')
609		goto end;
610
611	wptr = (uint16_t *)req->ring;
612	cnt = sizeof(struct qla_flt_location) >> 1;
613	for (chksum = 0; cnt; cnt--)
614		chksum += le16_to_cpu(*wptr++);
615	if (chksum) {
616		ql_log(ql_log_fatal, vha, 0x0045,
617		    "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
618		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010e,
619		    buf, sizeof(struct qla_flt_location));
620		return QLA_FUNCTION_FAILED;
621	}
622
623	/* Good data.  Use specified location. */
624	loc = locations[1];
625	*start = (le16_to_cpu(fltl->start_hi) << 16 |
626	    le16_to_cpu(fltl->start_lo)) >> 2;
627end:
628	ql_dbg(ql_dbg_init, vha, 0x0046,
629	    "FLTL[%s] = 0x%x.\n",
630	    loc, *start);
631	return QLA_SUCCESS;
632}
633
634static void
635qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr)
636{
637	const char *loc, *locations[] = { "DEF", "FLT" };
638	const uint32_t def_fw[] =
639		{ FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR, FA_RISC_CODE_ADDR_81 };
640	const uint32_t def_boot[] =
641		{ FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR, FA_BOOT_CODE_ADDR_81 };
642	const uint32_t def_vpd_nvram[] =
643		{ FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR, FA_VPD_NVRAM_ADDR_81 };
644	const uint32_t def_vpd0[] =
645		{ 0, 0, FA_VPD0_ADDR_81 };
646	const uint32_t def_vpd1[] =
647		{ 0, 0, FA_VPD1_ADDR_81 };
648	const uint32_t def_nvram0[] =
649		{ 0, 0, FA_NVRAM0_ADDR_81 };
650	const uint32_t def_nvram1[] =
651		{ 0, 0, FA_NVRAM1_ADDR_81 };
652	const uint32_t def_fdt[] =
653		{ FA_FLASH_DESCR_ADDR_24, FA_FLASH_DESCR_ADDR,
654			FA_FLASH_DESCR_ADDR_81 };
655	const uint32_t def_npiv_conf0[] =
656		{ FA_NPIV_CONF0_ADDR_24, FA_NPIV_CONF0_ADDR,
657			FA_NPIV_CONF0_ADDR_81 };
658	const uint32_t def_npiv_conf1[] =
659		{ FA_NPIV_CONF1_ADDR_24, FA_NPIV_CONF1_ADDR,
660			FA_NPIV_CONF1_ADDR_81 };
661	const uint32_t fcp_prio_cfg0[] =
662		{ FA_FCP_PRIO0_ADDR, FA_FCP_PRIO0_ADDR_25,
663			0 };
664	const uint32_t fcp_prio_cfg1[] =
665		{ FA_FCP_PRIO1_ADDR, FA_FCP_PRIO1_ADDR_25,
666			0 };
667	uint32_t def;
668	uint16_t *wptr;
669	uint16_t cnt, chksum;
670	uint32_t start;
671	struct qla_flt_header *flt;
672	struct qla_flt_region *region;
673	struct qla_hw_data *ha = vha->hw;
674	struct req_que *req = ha->req_q_map[0];
675
676	def = 0;
677	if (IS_QLA25XX(ha))
678		def = 1;
679	else if (IS_QLA81XX(ha))
680		def = 2;
681
682	/* Assign FCP prio region since older adapters may not have FLT, or
683	   FCP prio region in it's FLT.
684	 */
685	ha->flt_region_fcp_prio = (ha->port_no == 0) ?
686	    fcp_prio_cfg0[def] : fcp_prio_cfg1[def];
687
688	ha->flt_region_flt = flt_addr;
689	wptr = (uint16_t *)req->ring;
690	flt = (struct qla_flt_header *)req->ring;
691	region = (struct qla_flt_region *)&flt[1];
692	ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
693	    flt_addr << 2, OPTROM_BURST_SIZE);
694	if (*wptr == cpu_to_le16(0xffff))
695		goto no_flash_data;
696	if (flt->version != cpu_to_le16(1)) {
697		ql_log(ql_log_warn, vha, 0x0047,
698		    "Unsupported FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
699		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
700		    le16_to_cpu(flt->checksum));
701		goto no_flash_data;
702	}
703
704	cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
705	for (chksum = 0; cnt; cnt--)
706		chksum += le16_to_cpu(*wptr++);
707	if (chksum) {
708		ql_log(ql_log_fatal, vha, 0x0048,
709		    "Inconsistent FLT detected: version=0x%x length=0x%x checksum=0x%x.\n",
710		    le16_to_cpu(flt->version), le16_to_cpu(flt->length),
711		    le16_to_cpu(flt->checksum));
712		goto no_flash_data;
713	}
714
715	loc = locations[1];
716	cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
717	for ( ; cnt; cnt--, region++) {
718		/* Store addresses as DWORD offsets. */
719		start = le32_to_cpu(region->start) >> 2;
720		ql_dbg(ql_dbg_init, vha, 0x0049,
721		    "FLT[%02x]: start=0x%x "
722		    "end=0x%x size=0x%x.\n", le32_to_cpu(region->code) & 0xff,
723		    start, le32_to_cpu(region->end) >> 2,
724		    le32_to_cpu(region->size));
725
726		switch (le32_to_cpu(region->code) & 0xff) {
727		case FLT_REG_FCOE_FW:
728			if (!IS_QLA8031(ha))
729				break;
730			ha->flt_region_fw = start;
731			break;
732		case FLT_REG_FW:
733			if (IS_QLA8031(ha))
734				break;
735			ha->flt_region_fw = start;
736			break;
737		case FLT_REG_BOOT_CODE:
738			ha->flt_region_boot = start;
739			break;
740		case FLT_REG_VPD_0:
741			if (IS_QLA8031(ha))
742				break;
743			ha->flt_region_vpd_nvram = start;
744			if (IS_P3P_TYPE(ha))
745				break;
746			if (ha->port_no == 0)
747				ha->flt_region_vpd = start;
748			break;
749		case FLT_REG_VPD_1:
750			if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
751				break;
752			if (ha->port_no == 1)
753				ha->flt_region_vpd = start;
754			break;
755		case FLT_REG_VPD_2:
756			if (!IS_QLA27XX(ha))
757				break;
758			if (ha->port_no == 2)
759				ha->flt_region_vpd = start;
760			break;
761		case FLT_REG_VPD_3:
762			if (!IS_QLA27XX(ha))
763				break;
764			if (ha->port_no == 3)
765				ha->flt_region_vpd = start;
766			break;
767		case FLT_REG_NVRAM_0:
768			if (IS_QLA8031(ha))
769				break;
770			if (ha->port_no == 0)
771				ha->flt_region_nvram = start;
772			break;
773		case FLT_REG_NVRAM_1:
774			if (IS_QLA8031(ha))
775				break;
776			if (ha->port_no == 1)
777				ha->flt_region_nvram = start;
778			break;
779		case FLT_REG_NVRAM_2:
780			if (!IS_QLA27XX(ha))
781				break;
782			if (ha->port_no == 2)
783				ha->flt_region_nvram = start;
784			break;
785		case FLT_REG_NVRAM_3:
786			if (!IS_QLA27XX(ha))
787				break;
788			if (ha->port_no == 3)
789				ha->flt_region_nvram = start;
790			break;
791		case FLT_REG_FDT:
792			ha->flt_region_fdt = start;
793			break;
794		case FLT_REG_NPIV_CONF_0:
795			if (ha->port_no == 0)
796				ha->flt_region_npiv_conf = start;
797			break;
798		case FLT_REG_NPIV_CONF_1:
799			if (ha->port_no == 1)
800				ha->flt_region_npiv_conf = start;
801			break;
802		case FLT_REG_GOLD_FW:
803			ha->flt_region_gold_fw = start;
804			break;
805		case FLT_REG_FCP_PRIO_0:
806			if (ha->port_no == 0)
807				ha->flt_region_fcp_prio = start;
808			break;
809		case FLT_REG_FCP_PRIO_1:
810			if (ha->port_no == 1)
811				ha->flt_region_fcp_prio = start;
812			break;
813		case FLT_REG_BOOT_CODE_82XX:
814			ha->flt_region_boot = start;
815			break;
816		case FLT_REG_BOOT_CODE_8044:
817			if (IS_QLA8044(ha))
818				ha->flt_region_boot = start;
819			break;
820		case FLT_REG_FW_82XX:
821			ha->flt_region_fw = start;
822			break;
823		case FLT_REG_CNA_FW:
824			if (IS_CNA_CAPABLE(ha))
825				ha->flt_region_fw = start;
826			break;
827		case FLT_REG_GOLD_FW_82XX:
828			ha->flt_region_gold_fw = start;
829			break;
830		case FLT_REG_BOOTLOAD_82XX:
831			ha->flt_region_bootload = start;
832			break;
833		case FLT_REG_VPD_8XXX:
834			if (IS_CNA_CAPABLE(ha))
835				ha->flt_region_vpd = start;
836			break;
837		case FLT_REG_FCOE_NVRAM_0:
838			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
839				break;
840			if (ha->port_no == 0)
841				ha->flt_region_nvram = start;
842			break;
843		case FLT_REG_FCOE_NVRAM_1:
844			if (!(IS_QLA8031(ha) || IS_QLA8044(ha)))
845				break;
846			if (ha->port_no == 1)
847				ha->flt_region_nvram = start;
848			break;
849		}
850	}
851	goto done;
852
853no_flash_data:
854	/* Use hardcoded defaults. */
855	loc = locations[0];
856	ha->flt_region_fw = def_fw[def];
857	ha->flt_region_boot = def_boot[def];
858	ha->flt_region_vpd_nvram = def_vpd_nvram[def];
859	ha->flt_region_vpd = (ha->port_no == 0) ?
860	    def_vpd0[def] : def_vpd1[def];
861	ha->flt_region_nvram = (ha->port_no == 0) ?
862	    def_nvram0[def] : def_nvram1[def];
863	ha->flt_region_fdt = def_fdt[def];
864	ha->flt_region_npiv_conf = (ha->port_no == 0) ?
865	    def_npiv_conf0[def] : def_npiv_conf1[def];
866done:
867	ql_dbg(ql_dbg_init, vha, 0x004a,
868	    "FLT[%s]: boot=0x%x fw=0x%x vpd_nvram=0x%x vpd=0x%x nvram=0x%x "
869	    "fdt=0x%x flt=0x%x npiv=0x%x fcp_prif_cfg=0x%x.\n",
870	    loc, ha->flt_region_boot, ha->flt_region_fw,
871	    ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram,
872	    ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf,
873	    ha->flt_region_fcp_prio);
874}
875
876static void
877qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
878{
879#define FLASH_BLK_SIZE_4K	0x1000
880#define FLASH_BLK_SIZE_32K	0x8000
881#define FLASH_BLK_SIZE_64K	0x10000
882	const char *loc, *locations[] = { "MID", "FDT" };
883	uint16_t cnt, chksum;
884	uint16_t *wptr;
885	struct qla_fdt_layout *fdt;
886	uint8_t	man_id, flash_id;
887	uint16_t mid = 0, fid = 0;
888	struct qla_hw_data *ha = vha->hw;
889	struct req_que *req = ha->req_q_map[0];
890
891	wptr = (uint16_t *)req->ring;
892	fdt = (struct qla_fdt_layout *)req->ring;
893	ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
894	    ha->flt_region_fdt << 2, OPTROM_BURST_SIZE);
895	if (*wptr == cpu_to_le16(0xffff))
896		goto no_flash_data;
897	if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
898	    fdt->sig[3] != 'D')
899		goto no_flash_data;
900
901	for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1;
902	    cnt++)
903		chksum += le16_to_cpu(*wptr++);
904	if (chksum) {
905		ql_dbg(ql_dbg_init, vha, 0x004c,
906		    "Inconsistent FDT detected:"
907		    " checksum=0x%x id=%c version0x%x.\n", chksum,
908		    fdt->sig[0], le16_to_cpu(fdt->version));
909		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0113,
910		    (uint8_t *)fdt, sizeof(*fdt));
911		goto no_flash_data;
912	}
913
914	loc = locations[1];
915	mid = le16_to_cpu(fdt->man_id);
916	fid = le16_to_cpu(fdt->id);
917	ha->fdt_wrt_disable = fdt->wrt_disable_bits;
918	ha->fdt_wrt_enable = fdt->wrt_enable_bits;
919	ha->fdt_wrt_sts_reg_cmd = fdt->wrt_sts_reg_cmd;
920	if (IS_QLA8044(ha))
921		ha->fdt_erase_cmd = fdt->erase_cmd;
922	else
923		ha->fdt_erase_cmd =
924		    flash_conf_addr(ha, 0x0300 | fdt->erase_cmd);
925	ha->fdt_block_size = le32_to_cpu(fdt->block_size);
926	if (fdt->unprotect_sec_cmd) {
927		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0300 |
928		    fdt->unprotect_sec_cmd);
929		ha->fdt_protect_sec_cmd = fdt->protect_sec_cmd ?
930		    flash_conf_addr(ha, 0x0300 | fdt->protect_sec_cmd):
931		    flash_conf_addr(ha, 0x0336);
932	}
933	goto done;
934no_flash_data:
935	loc = locations[0];
936	if (IS_P3P_TYPE(ha)) {
937		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
938		goto done;
939	}
940	qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
941	mid = man_id;
942	fid = flash_id;
943	ha->fdt_wrt_disable = 0x9c;
944	ha->fdt_erase_cmd = flash_conf_addr(ha, 0x03d8);
945	switch (man_id) {
946	case 0xbf: /* STT flash. */
947		if (flash_id == 0x8e)
948			ha->fdt_block_size = FLASH_BLK_SIZE_64K;
949		else
950			ha->fdt_block_size = FLASH_BLK_SIZE_32K;
951
952		if (flash_id == 0x80)
953			ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0352);
954		break;
955	case 0x13: /* ST M25P80. */
956		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
957		break;
958	case 0x1f: /* Atmel 26DF081A. */
959		ha->fdt_block_size = FLASH_BLK_SIZE_4K;
960		ha->fdt_erase_cmd = flash_conf_addr(ha, 0x0320);
961		ha->fdt_unprotect_sec_cmd = flash_conf_addr(ha, 0x0339);
962		ha->fdt_protect_sec_cmd = flash_conf_addr(ha, 0x0336);
963		break;
964	default:
965		/* Default to 64 kb sector size. */
966		ha->fdt_block_size = FLASH_BLK_SIZE_64K;
967		break;
968	}
969done:
970	ql_dbg(ql_dbg_init, vha, 0x004d,
971	    "FDT[%s]: (0x%x/0x%x) erase=0x%x "
972	    "pr=%x wrtd=0x%x blk=0x%x.\n",
973	    loc, mid, fid,
974	    ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
975	    ha->fdt_wrt_disable, ha->fdt_block_size);
976
977}
978
979static void
980qla2xxx_get_idc_param(scsi_qla_host_t *vha)
981{
982#define QLA82XX_IDC_PARAM_ADDR       0x003e885c
983	uint32_t *wptr;
984	struct qla_hw_data *ha = vha->hw;
985	struct req_que *req = ha->req_q_map[0];
986
987	if (!(IS_P3P_TYPE(ha)))
988		return;
989
990	wptr = (uint32_t *)req->ring;
991	ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
992		QLA82XX_IDC_PARAM_ADDR , 8);
993
994	if (*wptr == cpu_to_le32(0xffffffff)) {
995		ha->fcoe_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
996		ha->fcoe_reset_timeout = QLA82XX_ROM_DRV_RESET_ACK_TIMEOUT;
997	} else {
998		ha->fcoe_dev_init_timeout = le32_to_cpu(*wptr++);
999		ha->fcoe_reset_timeout = le32_to_cpu(*wptr);
1000	}
1001	ql_dbg(ql_dbg_init, vha, 0x004e,
1002	    "fcoe_dev_init_timeout=%d "
1003	    "fcoe_reset_timeout=%d.\n", ha->fcoe_dev_init_timeout,
1004	    ha->fcoe_reset_timeout);
1005	return;
1006}
1007
1008int
1009qla2xxx_get_flash_info(scsi_qla_host_t *vha)
1010{
1011	int ret;
1012	uint32_t flt_addr;
1013	struct qla_hw_data *ha = vha->hw;
1014
1015	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1016	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLA27XX(ha))
1017		return QLA_SUCCESS;
1018
1019	ret = qla2xxx_find_flt_start(vha, &flt_addr);
1020	if (ret != QLA_SUCCESS)
1021		return ret;
1022
1023	qla2xxx_get_flt_info(vha, flt_addr);
1024	qla2xxx_get_fdt_info(vha);
1025	qla2xxx_get_idc_param(vha);
1026
1027	return QLA_SUCCESS;
1028}
1029
1030void
1031qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
1032{
1033#define NPIV_CONFIG_SIZE	(16*1024)
1034	void *data;
1035	uint16_t *wptr;
1036	uint16_t cnt, chksum;
1037	int i;
1038	struct qla_npiv_header hdr;
1039	struct qla_npiv_entry *entry;
1040	struct qla_hw_data *ha = vha->hw;
1041
1042	if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
1043	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha))
1044		return;
1045
1046	if (ha->flags.nic_core_reset_hdlr_active)
1047		return;
1048
1049	if (IS_QLA8044(ha))
1050		return;
1051
1052	ha->isp_ops->read_optrom(vha, (uint8_t *)&hdr,
1053	    ha->flt_region_npiv_conf << 2, sizeof(struct qla_npiv_header));
1054	if (hdr.version == cpu_to_le16(0xffff))
1055		return;
1056	if (hdr.version != cpu_to_le16(1)) {
1057		ql_dbg(ql_dbg_user, vha, 0x7090,
1058		    "Unsupported NPIV-Config "
1059		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1060		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1061		    le16_to_cpu(hdr.checksum));
1062		return;
1063	}
1064
1065	data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
1066	if (!data) {
1067		ql_log(ql_log_warn, vha, 0x7091,
1068		    "Unable to allocate memory for data.\n");
1069		return;
1070	}
1071
1072	ha->isp_ops->read_optrom(vha, (uint8_t *)data,
1073	    ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE);
1074
1075	cnt = (sizeof(struct qla_npiv_header) + le16_to_cpu(hdr.entries) *
1076	    sizeof(struct qla_npiv_entry)) >> 1;
1077	for (wptr = data, chksum = 0; cnt; cnt--)
1078		chksum += le16_to_cpu(*wptr++);
1079	if (chksum) {
1080		ql_dbg(ql_dbg_user, vha, 0x7092,
1081		    "Inconsistent NPIV-Config "
1082		    "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
1083		    le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
1084		    le16_to_cpu(hdr.checksum));
1085		goto done;
1086	}
1087
1088	entry = data + sizeof(struct qla_npiv_header);
1089	cnt = le16_to_cpu(hdr.entries);
1090	for (i = 0; cnt; cnt--, entry++, i++) {
1091		uint16_t flags;
1092		struct fc_vport_identifiers vid;
1093		struct fc_vport *vport;
1094
1095		memcpy(&ha->npiv_info[i], entry, sizeof(struct qla_npiv_entry));
1096
1097		flags = le16_to_cpu(entry->flags);
1098		if (flags == 0xffff)
1099			continue;
1100		if ((flags & BIT_0) == 0)
1101			continue;
1102
1103		memset(&vid, 0, sizeof(vid));
1104		vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1105		vid.vport_type = FC_PORTTYPE_NPIV;
1106		vid.disable = false;
1107		vid.port_name = wwn_to_u64(entry->port_name);
1108		vid.node_name = wwn_to_u64(entry->node_name);
1109
1110		ql_dbg(ql_dbg_user, vha, 0x7093,
1111		    "NPIV[%02x]: wwpn=%llx "
1112		    "wwnn=%llx vf_id=0x%x Q_qos=0x%x F_qos=0x%x.\n", cnt,
1113		    (unsigned long long)vid.port_name,
1114		    (unsigned long long)vid.node_name,
1115		    le16_to_cpu(entry->vf_id),
1116		    entry->q_qos, entry->f_qos);
1117
1118		if (i < QLA_PRECONFIG_VPORTS) {
1119			vport = fc_vport_create(vha->host, 0, &vid);
1120			if (!vport)
1121				ql_log(ql_log_warn, vha, 0x7094,
1122				    "NPIV-Config Failed to create vport [%02x]: "
1123				    "wwpn=%llx wwnn=%llx.\n", cnt,
1124				    (unsigned long long)vid.port_name,
1125				    (unsigned long long)vid.node_name);
1126		}
1127	}
1128done:
1129	kfree(data);
1130}
1131
1132static int
1133qla24xx_unprotect_flash(scsi_qla_host_t *vha)
1134{
1135	struct qla_hw_data *ha = vha->hw;
1136	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1137
1138	if (ha->flags.fac_supported)
1139		return qla81xx_fac_do_write_enable(vha, 1);
1140
1141	/* Enable flash write. */
1142	WRT_REG_DWORD(&reg->ctrl_status,
1143	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1144	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1145
1146	if (!ha->fdt_wrt_disable)
1147		goto done;
1148
1149	/* Disable flash write-protection, first clear SR protection bit */
1150	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1151	/* Then write zero again to clear remaining SR bits.*/
1152	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0);
1153done:
1154	return QLA_SUCCESS;
1155}
1156
1157static int
1158qla24xx_protect_flash(scsi_qla_host_t *vha)
1159{
1160	uint32_t cnt;
1161	struct qla_hw_data *ha = vha->hw;
1162	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1163
1164	if (ha->flags.fac_supported)
1165		return qla81xx_fac_do_write_enable(vha, 0);
1166
1167	if (!ha->fdt_wrt_disable)
1168		goto skip_wrt_protect;
1169
1170	/* Enable flash write-protection and wait for completion. */
1171	qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101),
1172	    ha->fdt_wrt_disable);
1173	for (cnt = 300; cnt &&
1174	    qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x005)) & BIT_0;
1175	    cnt--) {
1176		udelay(10);
1177	}
1178
1179skip_wrt_protect:
1180	/* Disable flash write. */
1181	WRT_REG_DWORD(&reg->ctrl_status,
1182	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1183	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1184
1185	return QLA_SUCCESS;
1186}
1187
1188static int
1189qla24xx_erase_sector(scsi_qla_host_t *vha, uint32_t fdata)
1190{
1191	struct qla_hw_data *ha = vha->hw;
1192	uint32_t start, finish;
1193
1194	if (ha->flags.fac_supported) {
1195		start = fdata >> 2;
1196		finish = start + (ha->fdt_block_size >> 2) - 1;
1197		return qla81xx_fac_erase_sector(vha, flash_data_addr(ha,
1198		    start), flash_data_addr(ha, finish));
1199	}
1200
1201	return qla24xx_write_flash_dword(ha, ha->fdt_erase_cmd,
1202	    (fdata & 0xff00) | ((fdata << 16) & 0xff0000) |
1203	    ((fdata >> 16) & 0xff));
1204}
1205
1206static int
1207qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
1208    uint32_t dwords)
1209{
1210	int ret;
1211	uint32_t liter;
1212	uint32_t sec_mask, rest_addr;
1213	uint32_t fdata;
1214	dma_addr_t optrom_dma;
1215	void *optrom = NULL;
1216	struct qla_hw_data *ha = vha->hw;
1217
1218	/* Prepare burst-capable write on supported ISPs. */
1219	if ((IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
1220	    IS_QLA27XX(ha)) &&
1221	    !(faddr & 0xfff) && dwords > OPTROM_BURST_DWORDS) {
1222		optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
1223		    &optrom_dma, GFP_KERNEL);
1224		if (!optrom) {
1225			ql_log(ql_log_warn, vha, 0x7095,
1226			    "Unable to allocate "
1227			    "memory for optrom burst write (%x KB).\n",
1228			    OPTROM_BURST_SIZE / 1024);
1229		}
1230	}
1231
1232	rest_addr = (ha->fdt_block_size >> 2) - 1;
1233	sec_mask = ~rest_addr;
1234
1235	ret = qla24xx_unprotect_flash(vha);
1236	if (ret != QLA_SUCCESS) {
1237		ql_log(ql_log_warn, vha, 0x7096,
1238		    "Unable to unprotect flash for update.\n");
1239		goto done;
1240	}
1241
1242	for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
1243		fdata = (faddr & sec_mask) << 2;
1244
1245		/* Are we at the beginning of a sector? */
1246		if ((faddr & rest_addr) == 0) {
1247			/* Do sector unprotect. */
1248			if (ha->fdt_unprotect_sec_cmd)
1249				qla24xx_write_flash_dword(ha,
1250				    ha->fdt_unprotect_sec_cmd,
1251				    (fdata & 0xff00) | ((fdata << 16) &
1252				    0xff0000) | ((fdata >> 16) & 0xff));
1253			ret = qla24xx_erase_sector(vha, fdata);
1254			if (ret != QLA_SUCCESS) {
1255				ql_dbg(ql_dbg_user, vha, 0x7007,
1256				    "Unable to erase erase sector: address=%x.\n",
1257				    faddr);
1258				break;
1259			}
1260		}
1261
1262		/* Go with burst-write. */
1263		if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
1264			/* Copy data to DMA'ble buffer. */
1265			memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
1266
1267			ret = qla2x00_load_ram(vha, optrom_dma,
1268			    flash_data_addr(ha, faddr),
1269			    OPTROM_BURST_DWORDS);
1270			if (ret != QLA_SUCCESS) {
1271				ql_log(ql_log_warn, vha, 0x7097,
1272				    "Unable to burst-write optrom segment "
1273				    "(%x/%x/%llx).\n", ret,
1274				    flash_data_addr(ha, faddr),
1275				    (unsigned long long)optrom_dma);
1276				ql_log(ql_log_warn, vha, 0x7098,
1277				    "Reverting to slow-write.\n");
1278
1279				dma_free_coherent(&ha->pdev->dev,
1280				    OPTROM_BURST_SIZE, optrom, optrom_dma);
1281				optrom = NULL;
1282			} else {
1283				liter += OPTROM_BURST_DWORDS - 1;
1284				faddr += OPTROM_BURST_DWORDS - 1;
1285				dwptr += OPTROM_BURST_DWORDS - 1;
1286				continue;
1287			}
1288		}
1289
1290		ret = qla24xx_write_flash_dword(ha,
1291		    flash_data_addr(ha, faddr), cpu_to_le32(*dwptr));
1292		if (ret != QLA_SUCCESS) {
1293			ql_dbg(ql_dbg_user, vha, 0x7006,
1294			    "Unable to program flash address=%x data=%x.\n",
1295			    faddr, *dwptr);
1296			break;
1297		}
1298
1299		/* Do sector protect. */
1300		if (ha->fdt_unprotect_sec_cmd &&
1301		    ((faddr & rest_addr) == rest_addr))
1302			qla24xx_write_flash_dword(ha,
1303			    ha->fdt_protect_sec_cmd,
1304			    (fdata & 0xff00) | ((fdata << 16) &
1305			    0xff0000) | ((fdata >> 16) & 0xff));
1306	}
1307
1308	ret = qla24xx_protect_flash(vha);
1309	if (ret != QLA_SUCCESS)
1310		ql_log(ql_log_warn, vha, 0x7099,
1311		    "Unable to protect flash after update.\n");
1312done:
1313	if (optrom)
1314		dma_free_coherent(&ha->pdev->dev,
1315		    OPTROM_BURST_SIZE, optrom, optrom_dma);
1316
1317	return ret;
1318}
1319
1320uint8_t *
1321qla2x00_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1322    uint32_t bytes)
1323{
1324	uint32_t i;
1325	uint16_t *wptr;
1326	struct qla_hw_data *ha = vha->hw;
1327
1328	/* Word reads to NVRAM via registers. */
1329	wptr = (uint16_t *)buf;
1330	qla2x00_lock_nvram_access(ha);
1331	for (i = 0; i < bytes >> 1; i++, naddr++)
1332		wptr[i] = cpu_to_le16(qla2x00_get_nvram_word(ha,
1333		    naddr));
1334	qla2x00_unlock_nvram_access(ha);
1335
1336	return buf;
1337}
1338
1339uint8_t *
1340qla24xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1341    uint32_t bytes)
1342{
1343	uint32_t i;
1344	uint32_t *dwptr;
1345	struct qla_hw_data *ha = vha->hw;
1346
1347	if (IS_P3P_TYPE(ha))
1348		return  buf;
1349
1350	/* Dword reads to flash. */
1351	dwptr = (uint32_t *)buf;
1352	for (i = 0; i < bytes >> 2; i++, naddr++)
1353		dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1354		    nvram_data_addr(ha, naddr)));
1355
1356	return buf;
1357}
1358
1359int
1360qla2x00_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1361    uint32_t bytes)
1362{
1363	int ret, stat;
1364	uint32_t i;
1365	uint16_t *wptr;
1366	unsigned long flags;
1367	struct qla_hw_data *ha = vha->hw;
1368
1369	ret = QLA_SUCCESS;
1370
1371	spin_lock_irqsave(&ha->hardware_lock, flags);
1372	qla2x00_lock_nvram_access(ha);
1373
1374	/* Disable NVRAM write-protection. */
1375	stat = qla2x00_clear_nvram_protection(ha);
1376
1377	wptr = (uint16_t *)buf;
1378	for (i = 0; i < bytes >> 1; i++, naddr++) {
1379		qla2x00_write_nvram_word(ha, naddr,
1380		    cpu_to_le16(*wptr));
1381		wptr++;
1382	}
1383
1384	/* Enable NVRAM write-protection. */
1385	qla2x00_set_nvram_protection(ha, stat);
1386
1387	qla2x00_unlock_nvram_access(ha);
1388	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1389
1390	return ret;
1391}
1392
1393int
1394qla24xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1395    uint32_t bytes)
1396{
1397	int ret;
1398	uint32_t i;
1399	uint32_t *dwptr;
1400	struct qla_hw_data *ha = vha->hw;
1401	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1402
1403	ret = QLA_SUCCESS;
1404
1405	if (IS_P3P_TYPE(ha))
1406		return ret;
1407
1408	/* Enable flash write. */
1409	WRT_REG_DWORD(&reg->ctrl_status,
1410	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
1411	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1412
1413	/* Disable NVRAM write-protection. */
1414	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1415	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
1416
1417	/* Dword writes to flash. */
1418	dwptr = (uint32_t *)buf;
1419	for (i = 0; i < bytes >> 2; i++, naddr++, dwptr++) {
1420		ret = qla24xx_write_flash_dword(ha,
1421		    nvram_data_addr(ha, naddr), cpu_to_le32(*dwptr));
1422		if (ret != QLA_SUCCESS) {
1423			ql_dbg(ql_dbg_user, vha, 0x709a,
1424			    "Unable to program nvram address=%x data=%x.\n",
1425			    naddr, *dwptr);
1426			break;
1427		}
1428	}
1429
1430	/* Enable NVRAM write-protection. */
1431	qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0x8c);
1432
1433	/* Disable flash write. */
1434	WRT_REG_DWORD(&reg->ctrl_status,
1435	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
1436	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
1437
1438	return ret;
1439}
1440
1441uint8_t *
1442qla25xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1443    uint32_t bytes)
1444{
1445	uint32_t i;
1446	uint32_t *dwptr;
1447	struct qla_hw_data *ha = vha->hw;
1448
1449	/* Dword reads to flash. */
1450	dwptr = (uint32_t *)buf;
1451	for (i = 0; i < bytes >> 2; i++, naddr++)
1452		dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
1453		    flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr)));
1454
1455	return buf;
1456}
1457
1458int
1459qla25xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
1460    uint32_t bytes)
1461{
1462	struct qla_hw_data *ha = vha->hw;
1463#define RMW_BUFFER_SIZE	(64 * 1024)
1464	uint8_t *dbuf;
1465
1466	dbuf = vmalloc(RMW_BUFFER_SIZE);
1467	if (!dbuf)
1468		return QLA_MEMORY_ALLOC_FAILED;
1469	ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1470	    RMW_BUFFER_SIZE);
1471	memcpy(dbuf + (naddr << 2), buf, bytes);
1472	ha->isp_ops->write_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
1473	    RMW_BUFFER_SIZE);
1474	vfree(dbuf);
1475
1476	return QLA_SUCCESS;
1477}
1478
1479static inline void
1480qla2x00_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1481{
1482	if (IS_QLA2322(ha)) {
1483		/* Flip all colors. */
1484		if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1485			/* Turn off. */
1486			ha->beacon_color_state = 0;
1487			*pflags = GPIO_LED_ALL_OFF;
1488		} else {
1489			/* Turn on. */
1490			ha->beacon_color_state = QLA_LED_ALL_ON;
1491			*pflags = GPIO_LED_RGA_ON;
1492		}
1493	} else {
1494		/* Flip green led only. */
1495		if (ha->beacon_color_state == QLA_LED_GRN_ON) {
1496			/* Turn off. */
1497			ha->beacon_color_state = 0;
1498			*pflags = GPIO_LED_GREEN_OFF_AMBER_OFF;
1499		} else {
1500			/* Turn on. */
1501			ha->beacon_color_state = QLA_LED_GRN_ON;
1502			*pflags = GPIO_LED_GREEN_ON_AMBER_OFF;
1503		}
1504	}
1505}
1506
1507#define PIO_REG(h, r) ((h)->pio_address + offsetof(struct device_reg_2xxx, r))
1508
1509void
1510qla2x00_beacon_blink(struct scsi_qla_host *vha)
1511{
1512	uint16_t gpio_enable;
1513	uint16_t gpio_data;
1514	uint16_t led_color = 0;
1515	unsigned long flags;
1516	struct qla_hw_data *ha = vha->hw;
1517	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1518
1519	if (IS_P3P_TYPE(ha))
1520		return;
1521
1522	spin_lock_irqsave(&ha->hardware_lock, flags);
1523
1524	/* Save the Original GPIOE. */
1525	if (ha->pio_address) {
1526		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1527		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1528	} else {
1529		gpio_enable = RD_REG_WORD(&reg->gpioe);
1530		gpio_data = RD_REG_WORD(&reg->gpiod);
1531	}
1532
1533	/* Set the modified gpio_enable values */
1534	gpio_enable |= GPIO_LED_MASK;
1535
1536	if (ha->pio_address) {
1537		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1538	} else {
1539		WRT_REG_WORD(&reg->gpioe, gpio_enable);
1540		RD_REG_WORD(&reg->gpioe);
1541	}
1542
1543	qla2x00_flip_colors(ha, &led_color);
1544
1545	/* Clear out any previously set LED color. */
1546	gpio_data &= ~GPIO_LED_MASK;
1547
1548	/* Set the new input LED color to GPIOD. */
1549	gpio_data |= led_color;
1550
1551	/* Set the modified gpio_data values */
1552	if (ha->pio_address) {
1553		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1554	} else {
1555		WRT_REG_WORD(&reg->gpiod, gpio_data);
1556		RD_REG_WORD(&reg->gpiod);
1557	}
1558
1559	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1560}
1561
1562int
1563qla2x00_beacon_on(struct scsi_qla_host *vha)
1564{
1565	uint16_t gpio_enable;
1566	uint16_t gpio_data;
1567	unsigned long flags;
1568	struct qla_hw_data *ha = vha->hw;
1569	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1570
1571	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1572	ha->fw_options[1] |= FO1_DISABLE_GPIO6_7;
1573
1574	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1575		ql_log(ql_log_warn, vha, 0x709b,
1576		    "Unable to update fw options (beacon on).\n");
1577		return QLA_FUNCTION_FAILED;
1578	}
1579
1580	/* Turn off LEDs. */
1581	spin_lock_irqsave(&ha->hardware_lock, flags);
1582	if (ha->pio_address) {
1583		gpio_enable = RD_REG_WORD_PIO(PIO_REG(ha, gpioe));
1584		gpio_data = RD_REG_WORD_PIO(PIO_REG(ha, gpiod));
1585	} else {
1586		gpio_enable = RD_REG_WORD(&reg->gpioe);
1587		gpio_data = RD_REG_WORD(&reg->gpiod);
1588	}
1589	gpio_enable |= GPIO_LED_MASK;
1590
1591	/* Set the modified gpio_enable values. */
1592	if (ha->pio_address) {
1593		WRT_REG_WORD_PIO(PIO_REG(ha, gpioe), gpio_enable);
1594	} else {
1595		WRT_REG_WORD(&reg->gpioe, gpio_enable);
1596		RD_REG_WORD(&reg->gpioe);
1597	}
1598
1599	/* Clear out previously set LED colour. */
1600	gpio_data &= ~GPIO_LED_MASK;
1601	if (ha->pio_address) {
1602		WRT_REG_WORD_PIO(PIO_REG(ha, gpiod), gpio_data);
1603	} else {
1604		WRT_REG_WORD(&reg->gpiod, gpio_data);
1605		RD_REG_WORD(&reg->gpiod);
1606	}
1607	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1608
1609	/*
1610	 * Let the per HBA timer kick off the blinking process based on
1611	 * the following flags. No need to do anything else now.
1612	 */
1613	ha->beacon_blink_led = 1;
1614	ha->beacon_color_state = 0;
1615
1616	return QLA_SUCCESS;
1617}
1618
1619int
1620qla2x00_beacon_off(struct scsi_qla_host *vha)
1621{
1622	int rval = QLA_SUCCESS;
1623	struct qla_hw_data *ha = vha->hw;
1624
1625	ha->beacon_blink_led = 0;
1626
1627	/* Set the on flag so when it gets flipped it will be off. */
1628	if (IS_QLA2322(ha))
1629		ha->beacon_color_state = QLA_LED_ALL_ON;
1630	else
1631		ha->beacon_color_state = QLA_LED_GRN_ON;
1632
1633	ha->isp_ops->beacon_blink(vha);	/* This turns green LED off */
1634
1635	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1636	ha->fw_options[1] &= ~FO1_DISABLE_GPIO6_7;
1637
1638	rval = qla2x00_set_fw_options(vha, ha->fw_options);
1639	if (rval != QLA_SUCCESS)
1640		ql_log(ql_log_warn, vha, 0x709c,
1641		    "Unable to update fw options (beacon off).\n");
1642	return rval;
1643}
1644
1645
1646static inline void
1647qla24xx_flip_colors(struct qla_hw_data *ha, uint16_t *pflags)
1648{
1649	/* Flip all colors. */
1650	if (ha->beacon_color_state == QLA_LED_ALL_ON) {
1651		/* Turn off. */
1652		ha->beacon_color_state = 0;
1653		*pflags = 0;
1654	} else {
1655		/* Turn on. */
1656		ha->beacon_color_state = QLA_LED_ALL_ON;
1657		*pflags = GPDX_LED_YELLOW_ON | GPDX_LED_AMBER_ON;
1658	}
1659}
1660
1661void
1662qla24xx_beacon_blink(struct scsi_qla_host *vha)
1663{
1664	uint16_t led_color = 0;
1665	uint32_t gpio_data;
1666	unsigned long flags;
1667	struct qla_hw_data *ha = vha->hw;
1668	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1669
1670	/* Save the Original GPIOD. */
1671	spin_lock_irqsave(&ha->hardware_lock, flags);
1672	gpio_data = RD_REG_DWORD(&reg->gpiod);
1673
1674	/* Enable the gpio_data reg for update. */
1675	gpio_data |= GPDX_LED_UPDATE_MASK;
1676
1677	WRT_REG_DWORD(&reg->gpiod, gpio_data);
1678	gpio_data = RD_REG_DWORD(&reg->gpiod);
1679
1680	/* Set the color bits. */
1681	qla24xx_flip_colors(ha, &led_color);
1682
1683	/* Clear out any previously set LED color. */
1684	gpio_data &= ~GPDX_LED_COLOR_MASK;
1685
1686	/* Set the new input LED color to GPIOD. */
1687	gpio_data |= led_color;
1688
1689	/* Set the modified gpio_data values. */
1690	WRT_REG_DWORD(&reg->gpiod, gpio_data);
1691	gpio_data = RD_REG_DWORD(&reg->gpiod);
1692	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1693}
1694
1695static uint32_t
1696qla83xx_select_led_port(struct qla_hw_data *ha)
1697{
1698	uint32_t led_select_value = 0;
1699
1700	if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1701		goto out;
1702
1703	if (ha->port_no == 0)
1704		led_select_value = QLA83XX_LED_PORT0;
1705	else
1706		led_select_value = QLA83XX_LED_PORT1;
1707
1708out:
1709	return led_select_value;
1710}
1711
1712void
1713qla83xx_beacon_blink(struct scsi_qla_host *vha)
1714{
1715	uint32_t led_select_value;
1716	struct qla_hw_data *ha = vha->hw;
1717	uint16_t led_cfg[6];
1718	uint16_t orig_led_cfg[6];
1719	uint32_t led_10_value, led_43_value;
1720
1721	if (!IS_QLA83XX(ha) && !IS_QLA81XX(ha) && !IS_QLA27XX(ha))
1722		return;
1723
1724	if (!ha->beacon_blink_led)
1725		return;
1726
1727	if (IS_QLA27XX(ha)) {
1728		qla2x00_write_ram_word(vha, 0x1003, 0x40000230);
1729		qla2x00_write_ram_word(vha, 0x1004, 0x40000230);
1730	} else if (IS_QLA2031(ha)) {
1731		led_select_value = qla83xx_select_led_port(ha);
1732
1733		qla83xx_wr_reg(vha, led_select_value, 0x40000230);
1734		qla83xx_wr_reg(vha, led_select_value + 4, 0x40000230);
1735	} else if (IS_QLA8031(ha)) {
1736		led_select_value = qla83xx_select_led_port(ha);
1737
1738		qla83xx_rd_reg(vha, led_select_value, &led_10_value);
1739		qla83xx_rd_reg(vha, led_select_value + 0x10, &led_43_value);
1740		qla83xx_wr_reg(vha, led_select_value, 0x01f44000);
1741		msleep(500);
1742		qla83xx_wr_reg(vha, led_select_value, 0x400001f4);
1743		msleep(1000);
1744		qla83xx_wr_reg(vha, led_select_value, led_10_value);
1745		qla83xx_wr_reg(vha, led_select_value + 0x10, led_43_value);
1746	} else if (IS_QLA81XX(ha)) {
1747		int rval;
1748
1749		/* Save Current */
1750		rval = qla81xx_get_led_config(vha, orig_led_cfg);
1751		/* Do the blink */
1752		if (rval == QLA_SUCCESS) {
1753			if (IS_QLA81XX(ha)) {
1754				led_cfg[0] = 0x4000;
1755				led_cfg[1] = 0x2000;
1756				led_cfg[2] = 0;
1757				led_cfg[3] = 0;
1758				led_cfg[4] = 0;
1759				led_cfg[5] = 0;
1760			} else {
1761				led_cfg[0] = 0x4000;
1762				led_cfg[1] = 0x4000;
1763				led_cfg[2] = 0x4000;
1764				led_cfg[3] = 0x2000;
1765				led_cfg[4] = 0;
1766				led_cfg[5] = 0x2000;
1767			}
1768			rval = qla81xx_set_led_config(vha, led_cfg);
1769			msleep(1000);
1770			if (IS_QLA81XX(ha)) {
1771				led_cfg[0] = 0x4000;
1772				led_cfg[1] = 0x2000;
1773				led_cfg[2] = 0;
1774			} else {
1775				led_cfg[0] = 0x4000;
1776				led_cfg[1] = 0x2000;
1777				led_cfg[2] = 0x4000;
1778				led_cfg[3] = 0x4000;
1779				led_cfg[4] = 0;
1780				led_cfg[5] = 0x2000;
1781			}
1782			rval = qla81xx_set_led_config(vha, led_cfg);
1783		}
1784		/* On exit, restore original (presumes no status change) */
1785		qla81xx_set_led_config(vha, orig_led_cfg);
1786	}
1787}
1788
1789int
1790qla24xx_beacon_on(struct scsi_qla_host *vha)
1791{
1792	uint32_t gpio_data;
1793	unsigned long flags;
1794	struct qla_hw_data *ha = vha->hw;
1795	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1796
1797	if (IS_P3P_TYPE(ha))
1798		return QLA_SUCCESS;
1799
1800	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1801		goto skip_gpio; /* let blink handle it */
1802
1803	if (ha->beacon_blink_led == 0) {
1804		/* Enable firmware for update */
1805		ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL;
1806
1807		if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS)
1808			return QLA_FUNCTION_FAILED;
1809
1810		if (qla2x00_get_fw_options(vha, ha->fw_options) !=
1811		    QLA_SUCCESS) {
1812			ql_log(ql_log_warn, vha, 0x7009,
1813			    "Unable to update fw options (beacon on).\n");
1814			return QLA_FUNCTION_FAILED;
1815		}
1816
1817		if (IS_QLA2031(ha) || IS_QLA27XX(ha))
1818			goto skip_gpio;
1819
1820		spin_lock_irqsave(&ha->hardware_lock, flags);
1821		gpio_data = RD_REG_DWORD(&reg->gpiod);
1822
1823		/* Enable the gpio_data reg for update. */
1824		gpio_data |= GPDX_LED_UPDATE_MASK;
1825		WRT_REG_DWORD(&reg->gpiod, gpio_data);
1826		RD_REG_DWORD(&reg->gpiod);
1827
1828		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1829	}
1830
1831	/* So all colors blink together. */
1832	ha->beacon_color_state = 0;
1833
1834skip_gpio:
1835	/* Let the per HBA timer kick off the blinking process. */
1836	ha->beacon_blink_led = 1;
1837
1838	return QLA_SUCCESS;
1839}
1840
1841int
1842qla24xx_beacon_off(struct scsi_qla_host *vha)
1843{
1844	uint32_t gpio_data;
1845	unsigned long flags;
1846	struct qla_hw_data *ha = vha->hw;
1847	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1848
1849	if (IS_P3P_TYPE(ha))
1850		return QLA_SUCCESS;
1851
1852	ha->beacon_blink_led = 0;
1853
1854	if (IS_QLA2031(ha) || IS_QLA27XX(ha))
1855		goto set_fw_options;
1856
1857	if (IS_QLA8031(ha) || IS_QLA81XX(ha))
1858		return QLA_SUCCESS;
1859
1860	ha->beacon_color_state = QLA_LED_ALL_ON;
1861
1862	ha->isp_ops->beacon_blink(vha);	/* Will flip to all off. */
1863
1864	/* Give control back to firmware. */
1865	spin_lock_irqsave(&ha->hardware_lock, flags);
1866	gpio_data = RD_REG_DWORD(&reg->gpiod);
1867
1868	/* Disable the gpio_data reg for update. */
1869	gpio_data &= ~GPDX_LED_UPDATE_MASK;
1870	WRT_REG_DWORD(&reg->gpiod, gpio_data);
1871	RD_REG_DWORD(&reg->gpiod);
1872	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1873
1874set_fw_options:
1875	ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL;
1876
1877	if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1878		ql_log(ql_log_warn, vha, 0x704d,
1879		    "Unable to update fw options (beacon on).\n");
1880		return QLA_FUNCTION_FAILED;
1881	}
1882
1883	if (qla2x00_get_fw_options(vha, ha->fw_options) != QLA_SUCCESS) {
1884		ql_log(ql_log_warn, vha, 0x704e,
1885		    "Unable to update fw options (beacon on).\n");
1886		return QLA_FUNCTION_FAILED;
1887	}
1888
1889	return QLA_SUCCESS;
1890}
1891
1892
1893/*
1894 * Flash support routines
1895 */
1896
1897/**
1898 * qla2x00_flash_enable() - Setup flash for reading and writing.
1899 * @ha: HA context
1900 */
1901static void
1902qla2x00_flash_enable(struct qla_hw_data *ha)
1903{
1904	uint16_t data;
1905	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1906
1907	data = RD_REG_WORD(&reg->ctrl_status);
1908	data |= CSR_FLASH_ENABLE;
1909	WRT_REG_WORD(&reg->ctrl_status, data);
1910	RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1911}
1912
1913/**
1914 * qla2x00_flash_disable() - Disable flash and allow RISC to run.
1915 * @ha: HA context
1916 */
1917static void
1918qla2x00_flash_disable(struct qla_hw_data *ha)
1919{
1920	uint16_t data;
1921	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1922
1923	data = RD_REG_WORD(&reg->ctrl_status);
1924	data &= ~(CSR_FLASH_ENABLE);
1925	WRT_REG_WORD(&reg->ctrl_status, data);
1926	RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
1927}
1928
1929/**
1930 * qla2x00_read_flash_byte() - Reads a byte from flash
1931 * @ha: HA context
1932 * @addr: Address in flash to read
1933 *
1934 * A word is read from the chip, but, only the lower byte is valid.
1935 *
1936 * Returns the byte read from flash @addr.
1937 */
1938static uint8_t
1939qla2x00_read_flash_byte(struct qla_hw_data *ha, uint32_t addr)
1940{
1941	uint16_t data;
1942	uint16_t bank_select;
1943	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1944
1945	bank_select = RD_REG_WORD(&reg->ctrl_status);
1946
1947	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
1948		/* Specify 64K address range: */
1949		/*  clear out Module Select and Flash Address bits [19:16]. */
1950		bank_select &= ~0xf8;
1951		bank_select |= addr >> 12 & 0xf0;
1952		bank_select |= CSR_FLASH_64K_BANK;
1953		WRT_REG_WORD(&reg->ctrl_status, bank_select);
1954		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
1955
1956		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1957		data = RD_REG_WORD(&reg->flash_data);
1958
1959		return (uint8_t)data;
1960	}
1961
1962	/* Setup bit 16 of flash address. */
1963	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
1964		bank_select |= CSR_FLASH_64K_BANK;
1965		WRT_REG_WORD(&reg->ctrl_status, bank_select);
1966		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
1967	} else if (((addr & BIT_16) == 0) &&
1968	    (bank_select & CSR_FLASH_64K_BANK)) {
1969		bank_select &= ~(CSR_FLASH_64K_BANK);
1970		WRT_REG_WORD(&reg->ctrl_status, bank_select);
1971		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
1972	}
1973
1974	/* Always perform IO mapped accesses to the FLASH registers. */
1975	if (ha->pio_address) {
1976		uint16_t data2;
1977
1978		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
1979		do {
1980			data = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1981			barrier();
1982			cpu_relax();
1983			data2 = RD_REG_WORD_PIO(PIO_REG(ha, flash_data));
1984		} while (data != data2);
1985	} else {
1986		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
1987		data = qla2x00_debounce_register(&reg->flash_data);
1988	}
1989
1990	return (uint8_t)data;
1991}
1992
1993/**
1994 * qla2x00_write_flash_byte() - Write a byte to flash
1995 * @ha: HA context
1996 * @addr: Address in flash to write
1997 * @data: Data to write
1998 */
1999static void
2000qla2x00_write_flash_byte(struct qla_hw_data *ha, uint32_t addr, uint8_t data)
2001{
2002	uint16_t bank_select;
2003	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2004
2005	bank_select = RD_REG_WORD(&reg->ctrl_status);
2006	if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2007		/* Specify 64K address range: */
2008		/*  clear out Module Select and Flash Address bits [19:16]. */
2009		bank_select &= ~0xf8;
2010		bank_select |= addr >> 12 & 0xf0;
2011		bank_select |= CSR_FLASH_64K_BANK;
2012		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2013		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2014
2015		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2016		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2017		WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
2018		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2019
2020		return;
2021	}
2022
2023	/* Setup bit 16 of flash address. */
2024	if ((addr & BIT_16) && ((bank_select & CSR_FLASH_64K_BANK) == 0)) {
2025		bank_select |= CSR_FLASH_64K_BANK;
2026		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2027		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2028	} else if (((addr & BIT_16) == 0) &&
2029	    (bank_select & CSR_FLASH_64K_BANK)) {
2030		bank_select &= ~(CSR_FLASH_64K_BANK);
2031		WRT_REG_WORD(&reg->ctrl_status, bank_select);
2032		RD_REG_WORD(&reg->ctrl_status);	/* PCI Posting. */
2033	}
2034
2035	/* Always perform IO mapped accesses to the FLASH registers. */
2036	if (ha->pio_address) {
2037		WRT_REG_WORD_PIO(PIO_REG(ha, flash_address), (uint16_t)addr);
2038		WRT_REG_WORD_PIO(PIO_REG(ha, flash_data), (uint16_t)data);
2039	} else {
2040		WRT_REG_WORD(&reg->flash_address, (uint16_t)addr);
2041		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2042		WRT_REG_WORD(&reg->flash_data, (uint16_t)data);
2043		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */
2044	}
2045}
2046
2047/**
2048 * qla2x00_poll_flash() - Polls flash for completion.
2049 * @ha: HA context
2050 * @addr: Address in flash to poll
2051 * @poll_data: Data to be polled
2052 * @man_id: Flash manufacturer ID
2053 * @flash_id: Flash ID
2054 *
2055 * This function polls the device until bit 7 of what is read matches data
2056 * bit 7 or until data bit 5 becomes a 1.  If that hapens, the flash ROM timed
2057 * out (a fatal error).  The flash book recommeds reading bit 7 again after
2058 * reading bit 5 as a 1.
2059 *
2060 * Returns 0 on success, else non-zero.
2061 */
2062static int
2063qla2x00_poll_flash(struct qla_hw_data *ha, uint32_t addr, uint8_t poll_data,
2064    uint8_t man_id, uint8_t flash_id)
2065{
2066	int status;
2067	uint8_t flash_data;
2068	uint32_t cnt;
2069
2070	status = 1;
2071
2072	/* Wait for 30 seconds for command to finish. */
2073	poll_data &= BIT_7;
2074	for (cnt = 3000000; cnt; cnt--) {
2075		flash_data = qla2x00_read_flash_byte(ha, addr);
2076		if ((flash_data & BIT_7) == poll_data) {
2077			status = 0;
2078			break;
2079		}
2080
2081		if (man_id != 0x40 && man_id != 0xda) {
2082			if ((flash_data & BIT_5) && cnt > 2)
2083				cnt = 2;
2084		}
2085		udelay(10);
2086		barrier();
2087		cond_resched();
2088	}
2089	return status;
2090}
2091
2092/**
2093 * qla2x00_program_flash_address() - Programs a flash address
2094 * @ha: HA context
2095 * @addr: Address in flash to program
2096 * @data: Data to be written in flash
2097 * @man_id: Flash manufacturer ID
2098 * @flash_id: Flash ID
2099 *
2100 * Returns 0 on success, else non-zero.
2101 */
2102static int
2103qla2x00_program_flash_address(struct qla_hw_data *ha, uint32_t addr,
2104    uint8_t data, uint8_t man_id, uint8_t flash_id)
2105{
2106	/* Write Program Command Sequence. */
2107	if (IS_OEM_001(ha)) {
2108		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2109		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2110		qla2x00_write_flash_byte(ha, 0xaaa, 0xa0);
2111		qla2x00_write_flash_byte(ha, addr, data);
2112	} else {
2113		if (man_id == 0xda && flash_id == 0xc1) {
2114			qla2x00_write_flash_byte(ha, addr, data);
2115			if (addr & 0x7e)
2116				return 0;
2117		} else {
2118			qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2119			qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2120			qla2x00_write_flash_byte(ha, 0x5555, 0xa0);
2121			qla2x00_write_flash_byte(ha, addr, data);
2122		}
2123	}
2124
2125	udelay(150);
2126
2127	/* Wait for write to complete. */
2128	return qla2x00_poll_flash(ha, addr, data, man_id, flash_id);
2129}
2130
2131/**
2132 * qla2x00_erase_flash() - Erase the flash.
2133 * @ha: HA context
2134 * @man_id: Flash manufacturer ID
2135 * @flash_id: Flash ID
2136 *
2137 * Returns 0 on success, else non-zero.
2138 */
2139static int
2140qla2x00_erase_flash(struct qla_hw_data *ha, uint8_t man_id, uint8_t flash_id)
2141{
2142	/* Individual Sector Erase Command Sequence */
2143	if (IS_OEM_001(ha)) {
2144		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2145		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2146		qla2x00_write_flash_byte(ha, 0xaaa, 0x80);
2147		qla2x00_write_flash_byte(ha, 0xaaa, 0xaa);
2148		qla2x00_write_flash_byte(ha, 0x555, 0x55);
2149		qla2x00_write_flash_byte(ha, 0xaaa, 0x10);
2150	} else {
2151		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2152		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2153		qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2154		qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2155		qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2156		qla2x00_write_flash_byte(ha, 0x5555, 0x10);
2157	}
2158
2159	udelay(150);
2160
2161	/* Wait for erase to complete. */
2162	return qla2x00_poll_flash(ha, 0x00, 0x80, man_id, flash_id);
2163}
2164
2165/**
2166 * qla2x00_erase_flash_sector() - Erase a flash sector.
2167 * @ha: HA context
2168 * @addr: Flash sector to erase
2169 * @sec_mask: Sector address mask
2170 * @man_id: Flash manufacturer ID
2171 * @flash_id: Flash ID
2172 *
2173 * Returns 0 on success, else non-zero.
2174 */
2175static int
2176qla2x00_erase_flash_sector(struct qla_hw_data *ha, uint32_t addr,
2177    uint32_t sec_mask, uint8_t man_id, uint8_t flash_id)
2178{
2179	/* Individual Sector Erase Command Sequence */
2180	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2181	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2182	qla2x00_write_flash_byte(ha, 0x5555, 0x80);
2183	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2184	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2185	if (man_id == 0x1f && flash_id == 0x13)
2186		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x10);
2187	else
2188		qla2x00_write_flash_byte(ha, addr & sec_mask, 0x30);
2189
2190	udelay(150);
2191
2192	/* Wait for erase to complete. */
2193	return qla2x00_poll_flash(ha, addr, 0x80, man_id, flash_id);
2194}
2195
2196/**
2197 * qla2x00_get_flash_manufacturer() - Read manufacturer ID from flash chip.
2198 * @man_id: Flash manufacturer ID
2199 * @flash_id: Flash ID
2200 */
2201static void
2202qla2x00_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
2203    uint8_t *flash_id)
2204{
2205	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2206	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2207	qla2x00_write_flash_byte(ha, 0x5555, 0x90);
2208	*man_id = qla2x00_read_flash_byte(ha, 0x0000);
2209	*flash_id = qla2x00_read_flash_byte(ha, 0x0001);
2210	qla2x00_write_flash_byte(ha, 0x5555, 0xaa);
2211	qla2x00_write_flash_byte(ha, 0x2aaa, 0x55);
2212	qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
2213}
2214
2215static void
2216qla2x00_read_flash_data(struct qla_hw_data *ha, uint8_t *tmp_buf,
2217	uint32_t saddr, uint32_t length)
2218{
2219	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2220	uint32_t midpoint, ilength;
2221	uint8_t data;
2222
2223	midpoint = length / 2;
2224
2225	WRT_REG_WORD(&reg->nvram, 0);
2226	RD_REG_WORD(&reg->nvram);
2227	for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
2228		if (ilength == midpoint) {
2229			WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2230			RD_REG_WORD(&reg->nvram);
2231		}
2232		data = qla2x00_read_flash_byte(ha, saddr);
2233		if (saddr % 100)
2234			udelay(10);
2235		*tmp_buf = data;
2236		cond_resched();
2237	}
2238}
2239
2240static inline void
2241qla2x00_suspend_hba(struct scsi_qla_host *vha)
2242{
2243	int cnt;
2244	unsigned long flags;
2245	struct qla_hw_data *ha = vha->hw;
2246	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2247
2248	/* Suspend HBA. */
2249	scsi_block_requests(vha->host);
2250	ha->isp_ops->disable_intrs(ha);
2251	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2252
2253	/* Pause RISC. */
2254	spin_lock_irqsave(&ha->hardware_lock, flags);
2255	WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2256	RD_REG_WORD(&reg->hccr);
2257	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2258		for (cnt = 0; cnt < 30000; cnt++) {
2259			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2260				break;
2261			udelay(100);
2262		}
2263	} else {
2264		udelay(10);
2265	}
2266	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2267}
2268
2269static inline void
2270qla2x00_resume_hba(struct scsi_qla_host *vha)
2271{
2272	struct qla_hw_data *ha = vha->hw;
2273
2274	/* Resume HBA. */
2275	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2276	set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2277	qla2xxx_wake_dpc(vha);
2278	qla2x00_wait_for_chip_reset(vha);
2279	scsi_unblock_requests(vha->host);
2280}
2281
2282uint8_t *
2283qla2x00_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2284    uint32_t offset, uint32_t length)
2285{
2286	uint32_t addr, midpoint;
2287	uint8_t *data;
2288	struct qla_hw_data *ha = vha->hw;
2289	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2290
2291	/* Suspend HBA. */
2292	qla2x00_suspend_hba(vha);
2293
2294	/* Go with read. */
2295	midpoint = ha->optrom_size / 2;
2296
2297	qla2x00_flash_enable(ha);
2298	WRT_REG_WORD(&reg->nvram, 0);
2299	RD_REG_WORD(&reg->nvram);		/* PCI Posting. */
2300	for (addr = offset, data = buf; addr < length; addr++, data++) {
2301		if (addr == midpoint) {
2302			WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2303			RD_REG_WORD(&reg->nvram);	/* PCI Posting. */
2304		}
2305
2306		*data = qla2x00_read_flash_byte(ha, addr);
2307	}
2308	qla2x00_flash_disable(ha);
2309
2310	/* Resume HBA. */
2311	qla2x00_resume_hba(vha);
2312
2313	return buf;
2314}
2315
2316int
2317qla2x00_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2318    uint32_t offset, uint32_t length)
2319{
2320
2321	int rval;
2322	uint8_t man_id, flash_id, sec_number, data;
2323	uint16_t wd;
2324	uint32_t addr, liter, sec_mask, rest_addr;
2325	struct qla_hw_data *ha = vha->hw;
2326	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2327
2328	/* Suspend HBA. */
2329	qla2x00_suspend_hba(vha);
2330
2331	rval = QLA_SUCCESS;
2332	sec_number = 0;
2333
2334	/* Reset ISP chip. */
2335	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2336	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2337
2338	/* Go with write. */
2339	qla2x00_flash_enable(ha);
2340	do {	/* Loop once to provide quick error exit */
2341		/* Structure of flash memory based on manufacturer */
2342		if (IS_OEM_001(ha)) {
2343			/* OEM variant with special flash part. */
2344			man_id = flash_id = 0;
2345			rest_addr = 0xffff;
2346			sec_mask   = 0x10000;
2347			goto update_flash;
2348		}
2349		qla2x00_get_flash_manufacturer(ha, &man_id, &flash_id);
2350		switch (man_id) {
2351		case 0x20: /* ST flash. */
2352			if (flash_id == 0xd2 || flash_id == 0xe3) {
2353				/*
2354				 * ST m29w008at part - 64kb sector size with
2355				 * 32kb,8kb,8kb,16kb sectors at memory address
2356				 * 0xf0000.
2357				 */
2358				rest_addr = 0xffff;
2359				sec_mask = 0x10000;
2360				break;
2361			}
2362			/*
2363			 * ST m29w010b part - 16kb sector size
2364			 * Default to 16kb sectors
2365			 */
2366			rest_addr = 0x3fff;
2367			sec_mask = 0x1c000;
2368			break;
2369		case 0x40: /* Mostel flash. */
2370			/* Mostel v29c51001 part - 512 byte sector size. */
2371			rest_addr = 0x1ff;
2372			sec_mask = 0x1fe00;
2373			break;
2374		case 0xbf: /* SST flash. */
2375			/* SST39sf10 part - 4kb sector size. */
2376			rest_addr = 0xfff;
2377			sec_mask = 0x1f000;
2378			break;
2379		case 0xda: /* Winbond flash. */
2380			/* Winbond W29EE011 part - 256 byte sector size. */
2381			rest_addr = 0x7f;
2382			sec_mask = 0x1ff80;
2383			break;
2384		case 0xc2: /* Macronix flash. */
2385			/* 64k sector size. */
2386			if (flash_id == 0x38 || flash_id == 0x4f) {
2387				rest_addr = 0xffff;
2388				sec_mask = 0x10000;
2389				break;
2390			}
2391			/* Fall through... */
2392
2393		case 0x1f: /* Atmel flash. */
2394			/* 512k sector size. */
2395			if (flash_id == 0x13) {
2396				rest_addr = 0x7fffffff;
2397				sec_mask =   0x80000000;
2398				break;
2399			}
2400			/* Fall through... */
2401
2402		case 0x01: /* AMD flash. */
2403			if (flash_id == 0x38 || flash_id == 0x40 ||
2404			    flash_id == 0x4f) {
2405				/* Am29LV081 part - 64kb sector size. */
2406				/* Am29LV002BT part - 64kb sector size. */
2407				rest_addr = 0xffff;
2408				sec_mask = 0x10000;
2409				break;
2410			} else if (flash_id == 0x3e) {
2411				/*
2412				 * Am29LV008b part - 64kb sector size with
2413				 * 32kb,8kb,8kb,16kb sector at memory address
2414				 * h0xf0000.
2415				 */
2416				rest_addr = 0xffff;
2417				sec_mask = 0x10000;
2418				break;
2419			} else if (flash_id == 0x20 || flash_id == 0x6e) {
2420				/*
2421				 * Am29LV010 part or AM29f010 - 16kb sector
2422				 * size.
2423				 */
2424				rest_addr = 0x3fff;
2425				sec_mask = 0x1c000;
2426				break;
2427			} else if (flash_id == 0x6d) {
2428				/* Am29LV001 part - 8kb sector size. */
2429				rest_addr = 0x1fff;
2430				sec_mask = 0x1e000;
2431				break;
2432			}
2433		default:
2434			/* Default to 16 kb sector size. */
2435			rest_addr = 0x3fff;
2436			sec_mask = 0x1c000;
2437			break;
2438		}
2439
2440update_flash:
2441		if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2442			if (qla2x00_erase_flash(ha, man_id, flash_id)) {
2443				rval = QLA_FUNCTION_FAILED;
2444				break;
2445			}
2446		}
2447
2448		for (addr = offset, liter = 0; liter < length; liter++,
2449		    addr++) {
2450			data = buf[liter];
2451			/* Are we at the beginning of a sector? */
2452			if ((addr & rest_addr) == 0) {
2453				if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
2454					if (addr >= 0x10000UL) {
2455						if (((addr >> 12) & 0xf0) &&
2456						    ((man_id == 0x01 &&
2457							flash_id == 0x3e) ||
2458						     (man_id == 0x20 &&
2459							 flash_id == 0xd2))) {
2460							sec_number++;
2461							if (sec_number == 1) {
2462								rest_addr =
2463								    0x7fff;
2464								sec_mask =
2465								    0x18000;
2466							} else if (
2467							    sec_number == 2 ||
2468							    sec_number == 3) {
2469								rest_addr =
2470								    0x1fff;
2471								sec_mask =
2472								    0x1e000;
2473							} else if (
2474							    sec_number == 4) {
2475								rest_addr =
2476								    0x3fff;
2477								sec_mask =
2478								    0x1c000;
2479							}
2480						}
2481					}
2482				} else if (addr == ha->optrom_size / 2) {
2483					WRT_REG_WORD(&reg->nvram, NVR_SELECT);
2484					RD_REG_WORD(&reg->nvram);
2485				}
2486
2487				if (flash_id == 0xda && man_id == 0xc1) {
2488					qla2x00_write_flash_byte(ha, 0x5555,
2489					    0xaa);
2490					qla2x00_write_flash_byte(ha, 0x2aaa,
2491					    0x55);
2492					qla2x00_write_flash_byte(ha, 0x5555,
2493					    0xa0);
2494				} else if (!IS_QLA2322(ha) && !IS_QLA6322(ha)) {
2495					/* Then erase it */
2496					if (qla2x00_erase_flash_sector(ha,
2497					    addr, sec_mask, man_id,
2498					    flash_id)) {
2499						rval = QLA_FUNCTION_FAILED;
2500						break;
2501					}
2502					if (man_id == 0x01 && flash_id == 0x6d)
2503						sec_number++;
2504				}
2505			}
2506
2507			if (man_id == 0x01 && flash_id == 0x6d) {
2508				if (sec_number == 1 &&
2509				    addr == (rest_addr - 1)) {
2510					rest_addr = 0x0fff;
2511					sec_mask   = 0x1f000;
2512				} else if (sec_number == 3 && (addr & 0x7ffe)) {
2513					rest_addr = 0x3fff;
2514					sec_mask   = 0x1c000;
2515				}
2516			}
2517
2518			if (qla2x00_program_flash_address(ha, addr, data,
2519			    man_id, flash_id)) {
2520				rval = QLA_FUNCTION_FAILED;
2521				break;
2522			}
2523			cond_resched();
2524		}
2525	} while (0);
2526	qla2x00_flash_disable(ha);
2527
2528	/* Resume HBA. */
2529	qla2x00_resume_hba(vha);
2530
2531	return rval;
2532}
2533
2534uint8_t *
2535qla24xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2536    uint32_t offset, uint32_t length)
2537{
2538	struct qla_hw_data *ha = vha->hw;
2539
2540	/* Suspend HBA. */
2541	scsi_block_requests(vha->host);
2542	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2543
2544	/* Go with read. */
2545	qla24xx_read_flash_data(vha, (uint32_t *)buf, offset >> 2, length >> 2);
2546
2547	/* Resume HBA. */
2548	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2549	scsi_unblock_requests(vha->host);
2550
2551	return buf;
2552}
2553
2554int
2555qla24xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2556    uint32_t offset, uint32_t length)
2557{
2558	int rval;
2559	struct qla_hw_data *ha = vha->hw;
2560
2561	/* Suspend HBA. */
2562	scsi_block_requests(vha->host);
2563	set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2564
2565	/* Go with write. */
2566	rval = qla24xx_write_flash_data(vha, (uint32_t *)buf, offset >> 2,
2567	    length >> 2);
2568
2569	clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
2570	scsi_unblock_requests(vha->host);
2571
2572	return rval;
2573}
2574
2575uint8_t *
2576qla25xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2577    uint32_t offset, uint32_t length)
2578{
2579	int rval;
2580	dma_addr_t optrom_dma;
2581	void *optrom;
2582	uint8_t *pbuf;
2583	uint32_t faddr, left, burst;
2584	struct qla_hw_data *ha = vha->hw;
2585
2586	if (IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
2587	    IS_QLA27XX(ha))
2588		goto try_fast;
2589	if (offset & 0xfff)
2590		goto slow_read;
2591	if (length < OPTROM_BURST_SIZE)
2592		goto slow_read;
2593
2594try_fast:
2595	optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2596	    &optrom_dma, GFP_KERNEL);
2597	if (!optrom) {
2598		ql_log(ql_log_warn, vha, 0x00cc,
2599		    "Unable to allocate memory for optrom burst read (%x KB).\n",
2600		    OPTROM_BURST_SIZE / 1024);
2601		goto slow_read;
2602	}
2603
2604	pbuf = buf;
2605	faddr = offset >> 2;
2606	left = length >> 2;
2607	burst = OPTROM_BURST_DWORDS;
2608	while (left != 0) {
2609		if (burst > left)
2610			burst = left;
2611
2612		rval = qla2x00_dump_ram(vha, optrom_dma,
2613		    flash_data_addr(ha, faddr), burst);
2614		if (rval) {
2615			ql_log(ql_log_warn, vha, 0x00f5,
2616			    "Unable to burst-read optrom segment (%x/%x/%llx).\n",
2617			    rval, flash_data_addr(ha, faddr),
2618			    (unsigned long long)optrom_dma);
2619			ql_log(ql_log_warn, vha, 0x00f6,
2620			    "Reverting to slow-read.\n");
2621
2622			dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2623			    optrom, optrom_dma);
2624			goto slow_read;
2625		}
2626
2627		memcpy(pbuf, optrom, burst * 4);
2628
2629		left -= burst;
2630		faddr += burst;
2631		pbuf += burst * 4;
2632	}
2633
2634	dma_free_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, optrom,
2635	    optrom_dma);
2636
2637	return buf;
2638
2639slow_read:
2640    return qla24xx_read_optrom_data(vha, buf, offset, length);
2641}
2642
2643/**
2644 * qla2x00_get_fcode_version() - Determine an FCODE image's version.
2645 * @ha: HA context
2646 * @pcids: Pointer to the FCODE PCI data structure
2647 *
2648 * The process of retrieving the FCODE version information is at best
2649 * described as interesting.
2650 *
2651 * Within the first 100h bytes of the image an ASCII string is present
2652 * which contains several pieces of information including the FCODE
2653 * version.  Unfortunately it seems the only reliable way to retrieve
2654 * the version is by scanning for another sentinel within the string,
2655 * the FCODE build date:
2656 *
2657 *	... 2.00.02 10/17/02 ...
2658 *
2659 * Returns QLA_SUCCESS on successful retrieval of version.
2660 */
2661static void
2662qla2x00_get_fcode_version(struct qla_hw_data *ha, uint32_t pcids)
2663{
2664	int ret = QLA_FUNCTION_FAILED;
2665	uint32_t istart, iend, iter, vend;
2666	uint8_t do_next, rbyte, *vbyte;
2667
2668	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2669
2670	/* Skip the PCI data structure. */
2671	istart = pcids +
2672	    ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
2673		qla2x00_read_flash_byte(ha, pcids + 0x0A));
2674	iend = istart + 0x100;
2675	do {
2676		/* Scan for the sentinel date string...eeewww. */
2677		do_next = 0;
2678		iter = istart;
2679		while ((iter < iend) && !do_next) {
2680			iter++;
2681			if (qla2x00_read_flash_byte(ha, iter) == '/') {
2682				if (qla2x00_read_flash_byte(ha, iter + 2) ==
2683				    '/')
2684					do_next++;
2685				else if (qla2x00_read_flash_byte(ha,
2686				    iter + 3) == '/')
2687					do_next++;
2688			}
2689		}
2690		if (!do_next)
2691			break;
2692
2693		/* Backtrack to previous ' ' (space). */
2694		do_next = 0;
2695		while ((iter > istart) && !do_next) {
2696			iter--;
2697			if (qla2x00_read_flash_byte(ha, iter) == ' ')
2698				do_next++;
2699		}
2700		if (!do_next)
2701			break;
2702
2703		/*
2704		 * Mark end of version tag, and find previous ' ' (space) or
2705		 * string length (recent FCODE images -- major hack ahead!!!).
2706		 */
2707		vend = iter - 1;
2708		do_next = 0;
2709		while ((iter > istart) && !do_next) {
2710			iter--;
2711			rbyte = qla2x00_read_flash_byte(ha, iter);
2712			if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
2713				do_next++;
2714		}
2715		if (!do_next)
2716			break;
2717
2718		/* Mark beginning of version tag, and copy data. */
2719		iter++;
2720		if ((vend - iter) &&
2721		    ((vend - iter) < sizeof(ha->fcode_revision))) {
2722			vbyte = ha->fcode_revision;
2723			while (iter <= vend) {
2724				*vbyte++ = qla2x00_read_flash_byte(ha, iter);
2725				iter++;
2726			}
2727			ret = QLA_SUCCESS;
2728		}
2729	} while (0);
2730
2731	if (ret != QLA_SUCCESS)
2732		memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2733}
2734
2735int
2736qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2737{
2738	int ret = QLA_SUCCESS;
2739	uint8_t code_type, last_image;
2740	uint32_t pcihdr, pcids;
2741	uint8_t *dbyte;
2742	uint16_t *dcode;
2743	struct qla_hw_data *ha = vha->hw;
2744
2745	if (!ha->pio_address || !mbuf)
2746		return QLA_FUNCTION_FAILED;
2747
2748	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2749	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2750	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2751	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2752
2753	qla2x00_flash_enable(ha);
2754
2755	/* Begin with first PCI expansion ROM header. */
2756	pcihdr = 0;
2757	last_image = 1;
2758	do {
2759		/* Verify PCI expansion ROM header. */
2760		if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
2761		    qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
2762			/* No signature */
2763			ql_log(ql_log_fatal, vha, 0x0050,
2764			    "No matching ROM signature.\n");
2765			ret = QLA_FUNCTION_FAILED;
2766			break;
2767		}
2768
2769		/* Locate PCI data structure. */
2770		pcids = pcihdr +
2771		    ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
2772			qla2x00_read_flash_byte(ha, pcihdr + 0x18));
2773
2774		/* Validate signature of PCI data structure. */
2775		if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
2776		    qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
2777		    qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
2778		    qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
2779			/* Incorrect header. */
2780			ql_log(ql_log_fatal, vha, 0x0051,
2781			    "PCI data struct not found pcir_adr=%x.\n", pcids);
2782			ret = QLA_FUNCTION_FAILED;
2783			break;
2784		}
2785
2786		/* Read version */
2787		code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
2788		switch (code_type) {
2789		case ROM_CODE_TYPE_BIOS:
2790			/* Intel x86, PC-AT compatible. */
2791			ha->bios_revision[0] =
2792			    qla2x00_read_flash_byte(ha, pcids + 0x12);
2793			ha->bios_revision[1] =
2794			    qla2x00_read_flash_byte(ha, pcids + 0x13);
2795			ql_dbg(ql_dbg_init, vha, 0x0052,
2796			    "Read BIOS %d.%d.\n",
2797			    ha->bios_revision[1], ha->bios_revision[0]);
2798			break;
2799		case ROM_CODE_TYPE_FCODE:
2800			/* Open Firmware standard for PCI (FCode). */
2801			/* Eeeewww... */
2802			qla2x00_get_fcode_version(ha, pcids);
2803			break;
2804		case ROM_CODE_TYPE_EFI:
2805			/* Extensible Firmware Interface (EFI). */
2806			ha->efi_revision[0] =
2807			    qla2x00_read_flash_byte(ha, pcids + 0x12);
2808			ha->efi_revision[1] =
2809			    qla2x00_read_flash_byte(ha, pcids + 0x13);
2810			ql_dbg(ql_dbg_init, vha, 0x0053,
2811			    "Read EFI %d.%d.\n",
2812			    ha->efi_revision[1], ha->efi_revision[0]);
2813			break;
2814		default:
2815			ql_log(ql_log_warn, vha, 0x0054,
2816			    "Unrecognized code type %x at pcids %x.\n",
2817			    code_type, pcids);
2818			break;
2819		}
2820
2821		last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
2822
2823		/* Locate next PCI expansion ROM. */
2824		pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
2825		    qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
2826	} while (!last_image);
2827
2828	if (IS_QLA2322(ha)) {
2829		/* Read firmware image information. */
2830		memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2831		dbyte = mbuf;
2832		memset(dbyte, 0, 8);
2833		dcode = (uint16_t *)dbyte;
2834
2835		qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
2836		    8);
2837		ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010a,
2838		    "Dumping fw "
2839		    "ver from flash:.\n");
2840		ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010b,
2841		    (uint8_t *)dbyte, 8);
2842
2843		if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
2844		    dcode[2] == 0xffff && dcode[3] == 0xffff) ||
2845		    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2846		    dcode[3] == 0)) {
2847			ql_log(ql_log_warn, vha, 0x0057,
2848			    "Unrecognized fw revision at %x.\n",
2849			    ha->flt_region_fw * 4);
2850		} else {
2851			/* values are in big endian */
2852			ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
2853			ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
2854			ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
2855			ql_dbg(ql_dbg_init, vha, 0x0058,
2856			    "FW Version: "
2857			    "%d.%d.%d.\n", ha->fw_revision[0],
2858			    ha->fw_revision[1], ha->fw_revision[2]);
2859		}
2860	}
2861
2862	qla2x00_flash_disable(ha);
2863
2864	return ret;
2865}
2866
2867int
2868qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2869{
2870	int ret = QLA_SUCCESS;
2871	uint32_t pcihdr, pcids;
2872	uint32_t *dcode;
2873	uint8_t *bcode;
2874	uint8_t code_type, last_image;
2875	struct qla_hw_data *ha = vha->hw;
2876
2877	if (!mbuf)
2878		return QLA_FUNCTION_FAILED;
2879
2880	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
2881	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
2882	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
2883	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2884
2885	dcode = mbuf;
2886
2887	/* Begin with first PCI expansion ROM header. */
2888	pcihdr = ha->flt_region_boot << 2;
2889	last_image = 1;
2890	do {
2891		/* Verify PCI expansion ROM header. */
2892		ha->isp_ops->read_optrom(vha, (uint8_t *)dcode, pcihdr,
2893		    0x20 * 4);
2894		bcode = mbuf + (pcihdr % 4);
2895		if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
2896			/* No signature */
2897			ql_log(ql_log_fatal, vha, 0x0154,
2898			    "No matching ROM signature.\n");
2899			ret = QLA_FUNCTION_FAILED;
2900			break;
2901		}
2902
2903		/* Locate PCI data structure. */
2904		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
2905
2906		ha->isp_ops->read_optrom(vha, (uint8_t *)dcode, pcids,
2907		    0x20 * 4);
2908		bcode = mbuf + (pcihdr % 4);
2909
2910		/* Validate signature of PCI data structure. */
2911		if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
2912		    bcode[0x2] != 'I' || bcode[0x3] != 'R') {
2913			/* Incorrect header. */
2914			ql_log(ql_log_fatal, vha, 0x0155,
2915			    "PCI data struct not found pcir_adr=%x.\n", pcids);
2916			ret = QLA_FUNCTION_FAILED;
2917			break;
2918		}
2919
2920		/* Read version */
2921		code_type = bcode[0x14];
2922		switch (code_type) {
2923		case ROM_CODE_TYPE_BIOS:
2924			/* Intel x86, PC-AT compatible. */
2925			ha->bios_revision[0] = bcode[0x12];
2926			ha->bios_revision[1] = bcode[0x13];
2927			ql_dbg(ql_dbg_init, vha, 0x0156,
2928			    "Read BIOS %d.%d.\n",
2929			    ha->bios_revision[1], ha->bios_revision[0]);
2930			break;
2931		case ROM_CODE_TYPE_FCODE:
2932			/* Open Firmware standard for PCI (FCode). */
2933			ha->fcode_revision[0] = bcode[0x12];
2934			ha->fcode_revision[1] = bcode[0x13];
2935			ql_dbg(ql_dbg_init, vha, 0x0157,
2936			    "Read FCODE %d.%d.\n",
2937			    ha->fcode_revision[1], ha->fcode_revision[0]);
2938			break;
2939		case ROM_CODE_TYPE_EFI:
2940			/* Extensible Firmware Interface (EFI). */
2941			ha->efi_revision[0] = bcode[0x12];
2942			ha->efi_revision[1] = bcode[0x13];
2943			ql_dbg(ql_dbg_init, vha, 0x0158,
2944			    "Read EFI %d.%d.\n",
2945			    ha->efi_revision[1], ha->efi_revision[0]);
2946			break;
2947		default:
2948			ql_log(ql_log_warn, vha, 0x0159,
2949			    "Unrecognized code type %x at pcids %x.\n",
2950			    code_type, pcids);
2951			break;
2952		}
2953
2954		last_image = bcode[0x15] & BIT_7;
2955
2956		/* Locate next PCI expansion ROM. */
2957		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
2958	} while (!last_image);
2959
2960	/* Read firmware image information. */
2961	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2962	dcode = mbuf;
2963	ha->isp_ops->read_optrom(vha, (uint8_t *)dcode, ha->flt_region_fw << 2,
2964	    0x20);
2965	bcode = mbuf + (pcihdr % 4);
2966
2967	/* Validate signature of PCI data structure. */
2968	if (bcode[0x0] == 0x3 && bcode[0x1] == 0x0 &&
2969	    bcode[0x2] == 0x40 && bcode[0x3] == 0x40) {
2970		ha->fw_revision[0] = bcode[0x4];
2971		ha->fw_revision[1] = bcode[0x5];
2972		ha->fw_revision[2] = bcode[0x6];
2973		ql_dbg(ql_dbg_init, vha, 0x0153,
2974		    "Firmware revision %d.%d.%d\n",
2975		    ha->fw_revision[0], ha->fw_revision[1],
2976		    ha->fw_revision[2]);
2977	}
2978
2979	return ret;
2980}
2981
2982int
2983qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
2984{
2985	int ret = QLA_SUCCESS;
2986	uint32_t pcihdr, pcids;
2987	uint32_t *dcode;
2988	uint8_t *bcode;
2989	uint8_t code_type, last_image;
2990	int i;
2991	struct qla_hw_data *ha = vha->hw;
2992
2993	if (IS_P3P_TYPE(ha))
2994		return ret;
2995
2996	if (!mbuf)
2997		return QLA_FUNCTION_FAILED;
2998
2999	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
3000	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
3001	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
3002	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3003
3004	dcode = mbuf;
3005
3006	/* Begin with first PCI expansion ROM header. */
3007	pcihdr = ha->flt_region_boot << 2;
3008	last_image = 1;
3009	do {
3010		/* Verify PCI expansion ROM header. */
3011		qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
3012		bcode = mbuf + (pcihdr % 4);
3013		if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
3014			/* No signature */
3015			ql_log(ql_log_fatal, vha, 0x0059,
3016			    "No matching ROM signature.\n");
3017			ret = QLA_FUNCTION_FAILED;
3018			break;
3019		}
3020
3021		/* Locate PCI data structure. */
3022		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
3023
3024		qla24xx_read_flash_data(vha, dcode, pcids >> 2, 0x20);
3025		bcode = mbuf + (pcihdr % 4);
3026
3027		/* Validate signature of PCI data structure. */
3028		if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
3029		    bcode[0x2] != 'I' || bcode[0x3] != 'R') {
3030			/* Incorrect header. */
3031			ql_log(ql_log_fatal, vha, 0x005a,
3032			    "PCI data struct not found pcir_adr=%x.\n", pcids);
3033			ret = QLA_FUNCTION_FAILED;
3034			break;
3035		}
3036
3037		/* Read version */
3038		code_type = bcode[0x14];
3039		switch (code_type) {
3040		case ROM_CODE_TYPE_BIOS:
3041			/* Intel x86, PC-AT compatible. */
3042			ha->bios_revision[0] = bcode[0x12];
3043			ha->bios_revision[1] = bcode[0x13];
3044			ql_dbg(ql_dbg_init, vha, 0x005b,
3045			    "Read BIOS %d.%d.\n",
3046			    ha->bios_revision[1], ha->bios_revision[0]);
3047			break;
3048		case ROM_CODE_TYPE_FCODE:
3049			/* Open Firmware standard for PCI (FCode). */
3050			ha->fcode_revision[0] = bcode[0x12];
3051			ha->fcode_revision[1] = bcode[0x13];
3052			ql_dbg(ql_dbg_init, vha, 0x005c,
3053			    "Read FCODE %d.%d.\n",
3054			    ha->fcode_revision[1], ha->fcode_revision[0]);
3055			break;
3056		case ROM_CODE_TYPE_EFI:
3057			/* Extensible Firmware Interface (EFI). */
3058			ha->efi_revision[0] = bcode[0x12];
3059			ha->efi_revision[1] = bcode[0x13];
3060			ql_dbg(ql_dbg_init, vha, 0x005d,
3061			    "Read EFI %d.%d.\n",
3062			    ha->efi_revision[1], ha->efi_revision[0]);
3063			break;
3064		default:
3065			ql_log(ql_log_warn, vha, 0x005e,
3066			    "Unrecognized code type %x at pcids %x.\n",
3067			    code_type, pcids);
3068			break;
3069		}
3070
3071		last_image = bcode[0x15] & BIT_7;
3072
3073		/* Locate next PCI expansion ROM. */
3074		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
3075	} while (!last_image);
3076
3077	/* Read firmware image information. */
3078	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
3079	dcode = mbuf;
3080
3081	qla24xx_read_flash_data(vha, dcode, ha->flt_region_fw + 4, 4);
3082	for (i = 0; i < 4; i++)
3083		dcode[i] = be32_to_cpu(dcode[i]);
3084
3085	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3086	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3087	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3088	    dcode[3] == 0)) {
3089		ql_log(ql_log_warn, vha, 0x005f,
3090		    "Unrecognized fw revision at %x.\n",
3091		    ha->flt_region_fw * 4);
3092	} else {
3093		ha->fw_revision[0] = dcode[0];
3094		ha->fw_revision[1] = dcode[1];
3095		ha->fw_revision[2] = dcode[2];
3096		ha->fw_revision[3] = dcode[3];
3097		ql_dbg(ql_dbg_init, vha, 0x0060,
3098		    "Firmware revision %d.%d.%d (%x).\n",
3099		    ha->fw_revision[0], ha->fw_revision[1],
3100		    ha->fw_revision[2], ha->fw_revision[3]);
3101	}
3102
3103	/* Check for golden firmware and get version if available */
3104	if (!IS_QLA81XX(ha)) {
3105		/* Golden firmware is not present in non 81XX adapters */
3106		return ret;
3107	}
3108
3109	memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
3110	dcode = mbuf;
3111	ha->isp_ops->read_optrom(vha, (uint8_t *)dcode,
3112	    ha->flt_region_gold_fw << 2, 32);
3113
3114	if (dcode[4] == 0xFFFFFFFF && dcode[5] == 0xFFFFFFFF &&
3115	    dcode[6] == 0xFFFFFFFF && dcode[7] == 0xFFFFFFFF) {
3116		ql_log(ql_log_warn, vha, 0x0056,
3117		    "Unrecognized golden fw at 0x%x.\n",
3118		    ha->flt_region_gold_fw * 4);
3119		return ret;
3120	}
3121
3122	for (i = 4; i < 8; i++)
3123		ha->gold_fw_version[i-4] = be32_to_cpu(dcode[i]);
3124
3125	return ret;
3126}
3127
3128static int
3129qla2xxx_is_vpd_valid(uint8_t *pos, uint8_t *end)
3130{
3131	if (pos >= end || *pos != 0x82)
3132		return 0;
3133
3134	pos += 3 + pos[1];
3135	if (pos >= end || *pos != 0x90)
3136		return 0;
3137
3138	pos += 3 + pos[1];
3139	if (pos >= end || *pos != 0x78)
3140		return 0;
3141
3142	return 1;
3143}
3144
3145int
3146qla2xxx_get_vpd_field(scsi_qla_host_t *vha, char *key, char *str, size_t size)
3147{
3148	struct qla_hw_data *ha = vha->hw;
3149	uint8_t *pos = ha->vpd;
3150	uint8_t *end = pos + ha->vpd_size;
3151	int len = 0;
3152
3153	if (!IS_FWI2_CAPABLE(ha) || !qla2xxx_is_vpd_valid(pos, end))
3154		return 0;
3155
3156	while (pos < end && *pos != 0x78) {
3157		len = (*pos == 0x82) ? pos[1] : pos[2];
3158
3159		if (!strncmp(pos, key, strlen(key)))
3160			break;
3161
3162		if (*pos != 0x90 && *pos != 0x91)
3163			pos += len;
3164
3165		pos += 3;
3166	}
3167
3168	if (pos < end - len && *pos != 0x78)
3169		return scnprintf(str, size, "%.*s", len, pos + 3);
3170
3171	return 0;
3172}
3173
3174int
3175qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
3176{
3177	int len, max_len;
3178	uint32_t fcp_prio_addr;
3179	struct qla_hw_data *ha = vha->hw;
3180
3181	if (!ha->fcp_prio_cfg) {
3182		ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
3183		if (!ha->fcp_prio_cfg) {
3184			ql_log(ql_log_warn, vha, 0x00d5,
3185			    "Unable to allocate memory for fcp priorty data (%x).\n",
3186			    FCP_PRIO_CFG_SIZE);
3187			return QLA_FUNCTION_FAILED;
3188		}
3189	}
3190	memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
3191
3192	fcp_prio_addr = ha->flt_region_fcp_prio;
3193
3194	/* first read the fcp priority data header from flash */
3195	ha->isp_ops->read_optrom(vha, (uint8_t *)ha->fcp_prio_cfg,
3196			fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
3197
3198	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 0))
3199		goto fail;
3200
3201	/* read remaining FCP CMD config data from flash */
3202	fcp_prio_addr += (FCP_PRIO_CFG_HDR_SIZE >> 2);
3203	len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE;
3204	max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
3205
3206	ha->isp_ops->read_optrom(vha, (uint8_t *)&ha->fcp_prio_cfg->entry[0],
3207			fcp_prio_addr << 2, (len < max_len ? len : max_len));
3208
3209	/* revalidate the entire FCP priority config data, including entries */
3210	if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 1))
3211		goto fail;
3212
3213	ha->flags.fcp_prio_enabled = 1;
3214	return QLA_SUCCESS;
3215fail:
3216	vfree(ha->fcp_prio_cfg);
3217	ha->fcp_prio_cfg = NULL;
3218	return QLA_FUNCTION_FAILED;
3219}
3220