* Copyright (C) 2005-2006 Pierre Ossman, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
*/
#include <linux/delay.h>
#define SDHCI_QUIRK_CLOCK_BEFORE_RESET (1<<0)
#define SDHCI_QUIRK_FORCE_DMA (1<<1)
+/* Controller doesn't like some resets when there is no card inserted. */
+#define SDHCI_QUIRK_NO_CARD_NO_RESET (1<<2)
static const struct pci_device_id pci_ids[] __devinitdata = {
{
.device = PCI_DEVICE_ID_RICOH_R5C822,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .driver_data = SDHCI_QUIRK_FORCE_DMA,
+ .driver_data = SDHCI_QUIRK_FORCE_DMA |
+ SDHCI_QUIRK_NO_CARD_NO_RESET,
},
{
{
unsigned long timeout;
+ if (host->chip->quirks & SDHCI_QUIRK_NO_CARD_NO_RESET) {
+ if (!(readl(host->ioaddr + SDHCI_PRESENT_STATE) &
+ SDHCI_CARD_PRESENT))
+ return;
+ }
+
writeb(mask, host->ioaddr + SDHCI_SOFTWARE_RESET);
if (mask & SDHCI_RESET_ALL)
} else
sdhci_send_command(host, mrq->cmd);
+ mmiowb();
spin_unlock_irqrestore(&host->lock, flags);
}
ctrl &= ~SDHCI_CTRL_4BITBUS;
writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
+ mmiowb();
spin_unlock_irqrestore(&host->lock, flags);
}
sdhci_deactivate_led(host);
+ mmiowb();
spin_unlock_irqrestore(&host->lock, flags);
mmc_request_done(host->mmc, mrq);
}
}
+ mmiowb();
spin_unlock_irqrestore(&host->lock, flags);
}
result = IRQ_HANDLED;
+ mmiowb();
out:
spin_unlock(&host->lock);
if (chip->hosts[i]->flags & SDHCI_USE_DMA)
pci_set_master(pdev);
sdhci_init(chip->hosts[i]);
+ mmiowb();
ret = mmc_resume_host(chip->hosts[i]->mmc);
if (ret)
return ret;
host = mmc_priv(mmc);
host->mmc = mmc;
+ host->chip = chip;
+ chip->hosts[slot] = host;
+
host->bar = first_bar + slot;
host->addr = pci_resource_start(pdev, host->bar);
mmc->ops = &sdhci_ops;
mmc->f_min = host->max_clk / 256;
mmc->f_max = host->max_clk;
- mmc->caps = MMC_CAP_4_BIT_DATA;
+ mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK;
mmc->ocr_avail = 0;
if (caps & SDHCI_CAN_VDD_330)
sdhci_dumpregs(host);
#endif
- host->chip = chip;
- chip->hosts[slot] = host;
+ mmiowb();
mmc_add_host(mmc);