diskonchip.c (7e534323c416216e8ac45b5633fb0a5e5137e5b5) diskonchip.c (c0739d85723a381302907f9613392d7ac8515176)
1/*
2 * (C) 2003 Red Hat, Inc.
3 * (C) 2004 Dan Brown <dan_brown@ieee.org>
4 * (C) 2004 Kalev Lember <kalev@smartlink.ee>
5 *
6 * Author: David Woodhouse <dwmw2@infradead.org>
7 * Additional Diskonchip 2000 and Millennium support by Dan Brown <dan_brown@ieee.org>
8 * Diskonchip Millennium Plus support by Kalev Lember <kalev@smartlink.ee>

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285 DoC_Delay(doc, 2);
286 }
287
288 if (debug)
289 printk("DoC_WaitReady OK\n");
290 return ret;
291}
292
1/*
2 * (C) 2003 Red Hat, Inc.
3 * (C) 2004 Dan Brown <dan_brown@ieee.org>
4 * (C) 2004 Kalev Lember <kalev@smartlink.ee>
5 *
6 * Author: David Woodhouse <dwmw2@infradead.org>
7 * Additional Diskonchip 2000 and Millennium support by Dan Brown <dan_brown@ieee.org>
8 * Diskonchip Millennium Plus support by Kalev Lember <kalev@smartlink.ee>

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285 DoC_Delay(doc, 2);
286 }
287
288 if (debug)
289 printk("DoC_WaitReady OK\n");
290 return ret;
291}
292
293static void doc2000_write_byte(struct mtd_info *mtd, u_char datum)
293static void doc2000_write_byte(struct nand_chip *this, u_char datum)
294{
294{
295 struct nand_chip *this = mtd_to_nand(mtd);
296 struct doc_priv *doc = nand_get_controller_data(this);
297 void __iomem *docptr = doc->virtadr;
298
299 if (debug)
300 printk("write_byte %02x\n", datum);
301 WriteDOC(datum, docptr, CDSNSlowIO);
302 WriteDOC(datum, docptr, 2k_CDSN_IO);
303}

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311 ReadDOC(docptr, CDSNSlowIO);
312 DoC_Delay(doc, 2);
313 ret = ReadDOC(docptr, 2k_CDSN_IO);
314 if (debug)
315 printk("read_byte returns %02x\n", ret);
316 return ret;
317}
318
295 struct doc_priv *doc = nand_get_controller_data(this);
296 void __iomem *docptr = doc->virtadr;
297
298 if (debug)
299 printk("write_byte %02x\n", datum);
300 WriteDOC(datum, docptr, CDSNSlowIO);
301 WriteDOC(datum, docptr, 2k_CDSN_IO);
302}

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310 ReadDOC(docptr, CDSNSlowIO);
311 DoC_Delay(doc, 2);
312 ret = ReadDOC(docptr, 2k_CDSN_IO);
313 if (debug)
314 printk("read_byte returns %02x\n", ret);
315 return ret;
316}
317
319static void doc2000_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
318static void doc2000_writebuf(struct nand_chip *this, const u_char *buf,
319 int len)
320{
320{
321 struct nand_chip *this = mtd_to_nand(mtd);
322 struct doc_priv *doc = nand_get_controller_data(this);
323 void __iomem *docptr = doc->virtadr;
324 int i;
325 if (debug)
326 printk("writebuf of %d bytes: ", len);
327 for (i = 0; i < len; i++) {
328 WriteDOC_(buf[i], docptr, DoC_2k_CDSN_IO + i);
329 if (debug && i < 16)

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443 DoC_WaitReady(doc);
444 nand_status_op(this, NULL);
445 DoC_WaitReady(doc);
446 status = (int)this->read_byte(this);
447
448 return status;
449}
450
321 struct doc_priv *doc = nand_get_controller_data(this);
322 void __iomem *docptr = doc->virtadr;
323 int i;
324 if (debug)
325 printk("writebuf of %d bytes: ", len);
326 for (i = 0; i < len; i++) {
327 WriteDOC_(buf[i], docptr, DoC_2k_CDSN_IO + i);
328 if (debug && i < 16)

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442 DoC_WaitReady(doc);
443 nand_status_op(this, NULL);
444 DoC_WaitReady(doc);
445 status = (int)this->read_byte(this);
446
447 return status;
448}
449
451static void doc2001_write_byte(struct mtd_info *mtd, u_char datum)
450static void doc2001_write_byte(struct nand_chip *this, u_char datum)
452{
451{
453 struct nand_chip *this = mtd_to_nand(mtd);
454 struct doc_priv *doc = nand_get_controller_data(this);
455 void __iomem *docptr = doc->virtadr;
456
457 WriteDOC(datum, docptr, CDSNSlowIO);
458 WriteDOC(datum, docptr, Mil_CDSN_IO);
459 WriteDOC(datum, docptr, WritePipeTerm);
460}
461

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467 //ReadDOC(docptr, CDSNSlowIO);
468 /* 11.4.5 -- delay twice to allow extended length cycle */
469 DoC_Delay(doc, 2);
470 ReadDOC(docptr, ReadPipeInit);
471 //return ReadDOC(docptr, Mil_CDSN_IO);
472 return ReadDOC(docptr, LastDataRead);
473}
474
452 struct doc_priv *doc = nand_get_controller_data(this);
453 void __iomem *docptr = doc->virtadr;
454
455 WriteDOC(datum, docptr, CDSNSlowIO);
456 WriteDOC(datum, docptr, Mil_CDSN_IO);
457 WriteDOC(datum, docptr, WritePipeTerm);
458}
459

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465 //ReadDOC(docptr, CDSNSlowIO);
466 /* 11.4.5 -- delay twice to allow extended length cycle */
467 DoC_Delay(doc, 2);
468 ReadDOC(docptr, ReadPipeInit);
469 //return ReadDOC(docptr, Mil_CDSN_IO);
470 return ReadDOC(docptr, LastDataRead);
471}
472
475static void doc2001_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
473static void doc2001_writebuf(struct nand_chip *this, const u_char *buf, int len)
476{
474{
477 struct nand_chip *this = mtd_to_nand(mtd);
478 struct doc_priv *doc = nand_get_controller_data(this);
479 void __iomem *docptr = doc->virtadr;
480 int i;
481
482 for (i = 0; i < len; i++)
483 WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i);
484 /* Terminate write pipeline */
485 WriteDOC(0x00, docptr, WritePipeTerm);

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510 ReadDOC(docptr, Mplus_ReadPipeInit);
511 ReadDOC(docptr, Mplus_ReadPipeInit);
512 ret = ReadDOC(docptr, Mplus_LastDataRead);
513 if (debug)
514 printk("read_byte returns %02x\n", ret);
515 return ret;
516}
517
475 struct doc_priv *doc = nand_get_controller_data(this);
476 void __iomem *docptr = doc->virtadr;
477 int i;
478
479 for (i = 0; i < len; i++)
480 WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i);
481 /* Terminate write pipeline */
482 WriteDOC(0x00, docptr, WritePipeTerm);

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507 ReadDOC(docptr, Mplus_ReadPipeInit);
508 ReadDOC(docptr, Mplus_ReadPipeInit);
509 ret = ReadDOC(docptr, Mplus_LastDataRead);
510 if (debug)
511 printk("read_byte returns %02x\n", ret);
512 return ret;
513}
514
518static void doc2001plus_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
515static void doc2001plus_writebuf(struct nand_chip *this, const u_char *buf, int len)
519{
516{
520 struct nand_chip *this = mtd_to_nand(mtd);
521 struct doc_priv *doc = nand_get_controller_data(this);
522 void __iomem *docptr = doc->virtadr;
523 int i;
524
525 if (debug)
526 printk("writebuf of %d bytes: ", len);
527 for (i = 0; i < len; i++) {
528 WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i);

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633 if (debug)
634 printk("hwcontrol(%d): %02x\n", cmd, doc->CDSNControl);
635 WriteDOC(doc->CDSNControl, docptr, CDSNControl);
636 /* 11.4.3 -- 4 NOPs after CSDNControl write */
637 DoC_Delay(doc, 4);
638 }
639 if (cmd != NAND_CMD_NONE) {
640 if (DoC_is_2000(doc))
517 struct doc_priv *doc = nand_get_controller_data(this);
518 void __iomem *docptr = doc->virtadr;
519 int i;
520
521 if (debug)
522 printk("writebuf of %d bytes: ", len);
523 for (i = 0; i < len; i++) {
524 WriteDOC_(buf[i], docptr, DoC_Mil_CDSN_IO + i);

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629 if (debug)
630 printk("hwcontrol(%d): %02x\n", cmd, doc->CDSNControl);
631 WriteDOC(doc->CDSNControl, docptr, CDSNControl);
632 /* 11.4.3 -- 4 NOPs after CSDNControl write */
633 DoC_Delay(doc, 4);
634 }
635 if (cmd != NAND_CMD_NONE) {
636 if (DoC_is_2000(doc))
641 doc2000_write_byte(mtd, cmd);
637 doc2000_write_byte(this, cmd);
642 else
638 else
643 doc2001_write_byte(mtd, cmd);
639 doc2001_write_byte(this, cmd);
644 }
645}
646
647static void doc2001plus_command(struct mtd_info *mtd, unsigned command, int column, int page_addr)
648{
649 struct nand_chip *this = mtd_to_nand(mtd);
650 struct doc_priv *doc = nand_get_controller_data(this);
651 void __iomem *docptr = doc->virtadr;

--- 1046 unchanged lines hidden --- 		640 }
641}
642
643static void doc2001plus_command(struct mtd_info *mtd, unsigned command, int column, int page_addr)
644{
645 struct nand_chip *this = mtd_to_nand(mtd);
646 struct doc_priv *doc = nand_get_controller_data(this);
647 void __iomem *docptr = doc->virtadr;

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