[U-Boot] [UBOOT v2 10/15] mmc: sdhci: Add quirk for 1.8v switching not supported
Siva Durga Prasad Paladugu
siva.durga.paladugu at xilinx.com
Mon Jan 30 11:38:27 CET 2017
Add quirk if voltage switching to 1.8v is broken, in this
case no UHS modes were supported
Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
---
Changes from v1:
- None
---
drivers/mmc/sdhci.c | 3 ++-
include/sdhci.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index bbb6302..c5538ab 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -753,7 +753,8 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
SDHCI_CLOCK_MUL_SHIFT;
}
- if (!(cfg->voltages & MMC_VDD_165_195))
+ if (!(cfg->voltages & MMC_VDD_165_195) ||
+ (host->quirks & SDHCI_QUIRK_NO_1_8_V))
caps_1 &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 |
SDHCI_SUPPORT_DDR50);
diff --git a/include/sdhci.h b/include/sdhci.h
index 2317eac..37b23ad 100644
--- a/include/sdhci.h
+++ b/include/sdhci.h
@@ -228,6 +228,7 @@
#define SDHCI_QUIRK_BROKEN_VOLTAGE (1 << 4)
#define SDHCI_QUIRK_WAIT_SEND_CMD (1 << 6)
#define SDHCI_QUIRK_USE_WIDE8 (1 << 8)
+#define SDHCI_QUIRK_NO_1_8_V (1 << 9)
/* to make gcc happy */
struct sdhci_host;
--
2.7.4
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