mmc: all hosts support 1-bit bus width and legacy timings

Make sure that those basic capabilities are advertised by the host.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index c1f8851ab2f3ef84a1b9cf1680b5638e00528464..0ebcc45516621c542dabaa2ca632f8e593f3d156 100644 (file)
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1584,11 +1584,11 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps)
 
 #ifdef DEBUG
        mmc_dump_capabilities("sd card", card_caps);
-       mmc_dump_capabilities("host", mmc->host_caps | MMC_MODE_1BIT);
+       mmc_dump_capabilities("host", mmc->host_caps);
 #endif
 
        /* Restrict card's capabilities by what the host can do */
-       caps = card_caps & (mmc->host_caps | MMC_MODE_1BIT);
+       caps = card_caps & mmc->host_caps;
 
        if (!uhs_en)
                caps &= ~UHS_CAPS;
@@ -1770,11 +1770,11 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps)
 
 #ifdef DEBUG
        mmc_dump_capabilities("mmc", card_caps);
-       mmc_dump_capabilities("host", mmc->host_caps | MMC_MODE_1BIT);
+       mmc_dump_capabilities("host", mmc->host_caps);
 #endif
 
        /* Restrict card's capabilities by what the host can do */
-       card_caps &= (mmc->host_caps | MMC_MODE_1BIT);
+       card_caps &= mmc->host_caps;
 
        /* Only version 4 of MMC supports wider bus widths */
        if (mmc->version < MMC_VERSION_4)
@@ -2389,7 +2389,12 @@ int mmc_start_init(struct mmc *mmc)
        bool uhs_en = supports_uhs(mmc->cfg->host_caps);
        int err;
 
-       mmc->host_caps = mmc->cfg->host_caps;
+       /*
+        * all hosts are capable of 1 bit bus-width and able to use the legacy
+        * timings.
+        */
+       mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(SD_LEGACY) |
+                        MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT;
 
        /* we pretend there's no card when init is NULL */
        no_card = mmc_getcd(mmc) == 0;