diff options
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index c279fbc4c2e5..2d47bf53a88c 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -900,7 +900,17 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd) sdhci_prepare_data(host, cmd->data); +#ifdef CONFIG_EMBEDDED_MMC_START_OFFSET + if (cmd->data) { + /* It is assumed that the device is block addressed. */ + sdhci_writel(host, cmd->arg + (host->start_offset >> 9), + SDHCI_ARGUMENT); + } else { + sdhci_writel(host, cmd->arg, SDHCI_ARGUMENT); + } +#else sdhci_writel(host, cmd->arg, SDHCI_ARGUMENT); +#endif sdhci_set_transfer_mode(host, cmd->data); @@ -1216,11 +1226,22 @@ out: spin_unlock_irqrestore(&host->lock, flags); } +#ifdef CONFIG_EMBEDDED_MMC_START_OFFSET +static unsigned int sdhci_get_host_offset(struct mmc_host *mmc) { + struct sdhci_host *host; + host = mmc_priv(mmc); + return host->start_offset; +} +#endif + static const struct mmc_host_ops sdhci_ops = { .request = sdhci_request, .set_ios = sdhci_set_ios, .get_ro = sdhci_get_ro, .enable_sdio_irq = sdhci_enable_sdio_irq, +#ifdef CONFIG_EMBEDDED_MMC_START_OFFSET + .get_host_offset = sdhci_get_host_offset, +#endif }; /*****************************************************************************\ |