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-rw-r--r--drivers/mmc/host/atmel-mci.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index df0e8a88d85f..f6013ccbc619 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -952,10 +952,21 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (mci_has_rwproof())
host->mode_reg |= (MCI_MR_WRPROOF | MCI_MR_RDPROOF);
- if (list_empty(&host->queue))
+ if (atmci_is_mci2()) {
+ /* setup High Speed mode in relation with card capacity */
+ if (ios->timing == MMC_TIMING_SD_HS)
+ host->cfg_reg |= MCI_CFG_HSMODE;
+ else
+ host->cfg_reg &= ~MCI_CFG_HSMODE;
+ }
+
+ if (list_empty(&host->queue)) {
mci_writel(host, MR, host->mode_reg);
- else
+ if (atmci_is_mci2())
+ mci_writel(host, CFG, host->cfg_reg);
+ } else {
host->need_clock_update = true;
+ }
spin_unlock_bh(&host->lock);
} else {
@@ -1052,8 +1063,11 @@ static void atmci_request_end(struct atmel_mci *host, struct mmc_request *mrq)
* necessary if set_ios() is called when a different slot is
* busy transfering data.
*/
- if (host->need_clock_update)
+ if (host->need_clock_update) {
mci_writel(host, MR, host->mode_reg);
+ if (atmci_is_mci2())
+ mci_writel(host, CFG, host->cfg_reg);
+ }
host->cur_slot->mrq = NULL;
host->mrq = NULL;
@@ -1565,6 +1579,8 @@ static int __init atmci_init_slot(struct atmel_mci *host,
mmc->f_min = DIV_ROUND_UP(host->bus_hz, 512);
mmc->f_max = host->bus_hz / 2;
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
+ if (atmci_is_mci2())
+ mmc->caps |= MMC_CAP_SD_HIGHSPEED;
if (slot_data->bus_width >= 4)
mmc->caps |= MMC_CAP_4_BIT_DATA;