diff options
Diffstat (limited to 'drivers/mmc/host/tmio_mmc.c')
-rw-r--r-- | drivers/mmc/host/tmio_mmc.c | 59 |
1 files changed, 19 insertions, 40 deletions
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c index 7cccc8523747..e22c3fa3516a 100644 --- a/drivers/mmc/host/tmio_mmc.c +++ b/drivers/mmc/host/tmio_mmc.c | |||
@@ -46,7 +46,9 @@ static void tmio_mmc_set_clock(struct tmio_mmc_host *host, int new_clock) | |||
46 | clk |= 0x100; | 46 | clk |= 0x100; |
47 | } | 47 | } |
48 | 48 | ||
49 | sd_config_write8(host, CNF_SD_CLK_MODE, clk >> 22); | 49 | if (host->set_clk_div) |
50 | host->set_clk_div(host->pdev, (clk>>22) & 1); | ||
51 | |||
50 | sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & 0x1ff); | 52 | sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & 0x1ff); |
51 | } | 53 | } |
52 | 54 | ||
@@ -427,12 +429,13 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) | |||
427 | /* Power sequence - OFF -> ON -> UP */ | 429 | /* Power sequence - OFF -> ON -> UP */ |
428 | switch (ios->power_mode) { | 430 | switch (ios->power_mode) { |
429 | case MMC_POWER_OFF: /* power down SD bus */ | 431 | case MMC_POWER_OFF: /* power down SD bus */ |
430 | sd_config_write8(host, CNF_PWR_CTL_2, 0x00); | 432 | if (host->set_pwr) |
433 | host->set_pwr(host->pdev, 0); | ||
431 | tmio_mmc_clk_stop(host); | 434 | tmio_mmc_clk_stop(host); |
432 | break; | 435 | break; |
433 | case MMC_POWER_ON: /* power up SD bus */ | 436 | case MMC_POWER_ON: /* power up SD bus */ |
434 | 437 | if (host->set_pwr) | |
435 | sd_config_write8(host, CNF_PWR_CTL_2, 0x02); | 438 | host->set_pwr(host->pdev, 1); |
436 | break; | 439 | break; |
437 | case MMC_POWER_UP: /* start bus clock */ | 440 | case MMC_POWER_UP: /* start bus clock */ |
438 | tmio_mmc_clk_start(host); | 441 | tmio_mmc_clk_start(host); |
@@ -485,21 +488,15 @@ static int tmio_mmc_resume(struct platform_device *dev) | |||
485 | { | 488 | { |
486 | struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; | 489 | struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; |
487 | struct mmc_host *mmc = platform_get_drvdata(dev); | 490 | struct mmc_host *mmc = platform_get_drvdata(dev); |
488 | struct tmio_mmc_host *host = mmc_priv(mmc); | ||
489 | int ret = 0; | 491 | int ret = 0; |
490 | 492 | ||
491 | /* Tell the MFD core we are ready to be enabled */ | 493 | /* Tell the MFD core we are ready to be enabled */ |
492 | if (cell->enable) { | 494 | if (cell->resume) { |
493 | ret = cell->enable(dev); | 495 | ret = cell->resume(dev); |
494 | if (ret) | 496 | if (ret) |
495 | goto out; | 497 | goto out; |
496 | } | 498 | } |
497 | 499 | ||
498 | /* Enable the MMC/SD Control registers */ | ||
499 | sd_config_write16(host, CNF_CMD, SDCREN); | ||
500 | sd_config_write32(host, CNF_CTL_BASE, | ||
501 | (dev->resource[0].start >> host->bus_shift) & 0xfffe); | ||
502 | |||
503 | mmc_resume_host(mmc); | 500 | mmc_resume_host(mmc); |
504 | 501 | ||
505 | out: | 502 | out: |
@@ -514,17 +511,16 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
514 | { | 511 | { |
515 | struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; | 512 | struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; |
516 | struct tmio_mmc_data *pdata; | 513 | struct tmio_mmc_data *pdata; |
517 | struct resource *res_ctl, *res_cnf; | 514 | struct resource *res_ctl; |
518 | struct tmio_mmc_host *host; | 515 | struct tmio_mmc_host *host; |
519 | struct mmc_host *mmc; | 516 | struct mmc_host *mmc; |
520 | int ret = -EINVAL; | 517 | int ret = -EINVAL; |
521 | 518 | ||
522 | if (dev->num_resources != 3) | 519 | if (dev->num_resources != 2) |
523 | goto out; | 520 | goto out; |
524 | 521 | ||
525 | res_ctl = platform_get_resource(dev, IORESOURCE_MEM, 0); | 522 | res_ctl = platform_get_resource(dev, IORESOURCE_MEM, 0); |
526 | res_cnf = platform_get_resource(dev, IORESOURCE_MEM, 1); | 523 | if (!res_ctl) |
527 | if (!res_ctl || !res_cnf) | ||
528 | goto out; | 524 | goto out; |
529 | 525 | ||
530 | pdata = cell->driver_data; | 526 | pdata = cell->driver_data; |
@@ -539,8 +535,12 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
539 | 535 | ||
540 | host = mmc_priv(mmc); | 536 | host = mmc_priv(mmc); |
541 | host->mmc = mmc; | 537 | host->mmc = mmc; |
538 | host->pdev = dev; | ||
542 | platform_set_drvdata(dev, mmc); | 539 | platform_set_drvdata(dev, mmc); |
543 | 540 | ||
541 | host->set_pwr = pdata->set_pwr; | ||
542 | host->set_clk_div = pdata->set_clk_div; | ||
543 | |||
544 | /* SD control register space size is 0x200, 0x400 for bus_shift=1 */ | 544 | /* SD control register space size is 0x200, 0x400 for bus_shift=1 */ |
545 | host->bus_shift = resource_size(res_ctl) >> 10; | 545 | host->bus_shift = resource_size(res_ctl) >> 10; |
546 | 546 | ||
@@ -548,10 +548,6 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
548 | if (!host->ctl) | 548 | if (!host->ctl) |
549 | goto host_free; | 549 | goto host_free; |
550 | 550 | ||
551 | host->cnf = ioremap(res_cnf->start, resource_size(res_cnf)); | ||
552 | if (!host->cnf) | ||
553 | goto unmap_ctl; | ||
554 | |||
555 | mmc->ops = &tmio_mmc_ops; | 551 | mmc->ops = &tmio_mmc_ops; |
556 | mmc->caps = MMC_CAP_4_BIT_DATA; | 552 | mmc->caps = MMC_CAP_4_BIT_DATA; |
557 | mmc->f_max = pdata->hclk; | 553 | mmc->f_max = pdata->hclk; |
@@ -562,23 +558,9 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
562 | if (cell->enable) { | 558 | if (cell->enable) { |
563 | ret = cell->enable(dev); | 559 | ret = cell->enable(dev); |
564 | if (ret) | 560 | if (ret) |
565 | goto unmap_cnf; | 561 | goto unmap_ctl; |
566 | } | 562 | } |
567 | 563 | ||
568 | /* Enable the MMC/SD Control registers */ | ||
569 | sd_config_write16(host, CNF_CMD, SDCREN); | ||
570 | sd_config_write32(host, CNF_CTL_BASE, | ||
571 | (dev->resource[0].start >> host->bus_shift) & 0xfffe); | ||
572 | |||
573 | /* Disable SD power during suspend */ | ||
574 | sd_config_write8(host, CNF_PWR_CTL_3, 0x01); | ||
575 | |||
576 | /* The below is required but why? FIXME */ | ||
577 | sd_config_write8(host, CNF_STOP_CLK_CTL, 0x1f); | ||
578 | |||
579 | /* Power down SD bus*/ | ||
580 | sd_config_write8(host, CNF_PWR_CTL_2, 0x00); | ||
581 | |||
582 | tmio_mmc_clk_stop(host); | 564 | tmio_mmc_clk_stop(host); |
583 | reset(host); | 565 | reset(host); |
584 | 566 | ||
@@ -586,14 +568,14 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
586 | if (ret >= 0) | 568 | if (ret >= 0) |
587 | host->irq = ret; | 569 | host->irq = ret; |
588 | else | 570 | else |
589 | goto unmap_cnf; | 571 | goto unmap_ctl; |
590 | 572 | ||
591 | disable_mmc_irqs(host, TMIO_MASK_ALL); | 573 | disable_mmc_irqs(host, TMIO_MASK_ALL); |
592 | 574 | ||
593 | ret = request_irq(host->irq, tmio_mmc_irq, IRQF_DISABLED | | 575 | ret = request_irq(host->irq, tmio_mmc_irq, IRQF_DISABLED | |
594 | IRQF_TRIGGER_FALLING, dev_name(&dev->dev), host); | 576 | IRQF_TRIGGER_FALLING, dev_name(&dev->dev), host); |
595 | if (ret) | 577 | if (ret) |
596 | goto unmap_cnf; | 578 | goto unmap_ctl; |
597 | 579 | ||
598 | mmc_add_host(mmc); | 580 | mmc_add_host(mmc); |
599 | 581 | ||
@@ -605,8 +587,6 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
605 | 587 | ||
606 | return 0; | 588 | return 0; |
607 | 589 | ||
608 | unmap_cnf: | ||
609 | iounmap(host->cnf); | ||
610 | unmap_ctl: | 590 | unmap_ctl: |
611 | iounmap(host->ctl); | 591 | iounmap(host->ctl); |
612 | host_free: | 592 | host_free: |
@@ -626,7 +606,6 @@ static int __devexit tmio_mmc_remove(struct platform_device *dev) | |||
626 | mmc_remove_host(mmc); | 606 | mmc_remove_host(mmc); |
627 | free_irq(host->irq, host); | 607 | free_irq(host->irq, host); |
628 | iounmap(host->ctl); | 608 | iounmap(host->ctl); |
629 | iounmap(host->cnf); | ||
630 | mmc_free_host(mmc); | 609 | mmc_free_host(mmc); |
631 | } | 610 | } |
632 | 611 | ||