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 c1f8851..0ebcc45 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1584,11 +1584,11 @@
#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 @@
#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 @@
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;