static int s3c_hsmmc_init(struct mmc *mmc)
{
struct sdhci_host *host = (struct sdhci_host *)mmc->priv;
sdhci_reset(host, SDHCI_RESET_ALL);
host->version = readw(host->ioaddr + SDHCI_HOST_VERSION);
sdhci_init(host);
sdhci_change_clock(host, 400000);
return 0;
}
static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
{
struct sdhci_host *host = platform_get_drvdata(dev);
unsigned long flags;
if (host) {
spin_lock_irqsave(&host->lock, flags);
if (state) {
dev_dbg(&dev->dev, "card inserted.\n");
host->flags &= ~SDHCI_DEVICE_DEAD;
host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
sdhci_init(host,0);//lisw sd hotplug : for reinitialize host controller each time plugin
} else {
dev_dbg(&dev->dev, "card removed.\n");
host->flags |= SDHCI_DEVICE_DEAD;
host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
}
tasklet_schedule(&host->card_tasklet);
spin_unlock_irqrestore(&host->lock, flags);
}
}
int sdhci_probe(struct udevice *dev)
{
struct mmc *mmc = mmc_get_mmc_dev(dev);
return sdhci_init(mmc);
}
