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* [edk2-platforms: PATCH] Marvell/Drivers: XenonDxe: Explicitly disable HS400
@ 2019-06-26  7:04 Marcin Wojtas
  2019-06-26  9:31 ` Leif Lindholm
  0 siblings, 1 reply; 6+ messages in thread
From: Marcin Wojtas @ 2019-06-26  7:04 UTC (permalink / raw)
  To: devel; +Cc: leif.lindholm, ard.biesheuvel, mw, jsd, jaz, kostap

Ensure that in case of SlowMode or 3.3V operation,
also the HS400 capability will be disabled in the
SdMmc driver.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
---
 Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.h         | 1 +
 Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdMmcOverride.c | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.h b/Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.h
index 8bf1835..2d7c7f0 100644
--- a/Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.h
+++ b/Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.h
@@ -82,6 +82,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define SDHC_CAP_SDR50                BIT32
 #define SDHC_CAP_SDR104               BIT33
 #define SDHC_CAP_DDR50                BIT34
+#define SDHC_CAP_HS400                BIT63
 #define SDHC_MAX_CURRENT_CAP          0x0048
 #define SDHC_FORCE_EVT_AUTO_CMD       0x0050
 #define SDHC_FORCE_EVT_ERR_INT        0x0052
diff --git a/Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdMmcOverride.c b/Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdMmcOverride.c
index 7a9266e..55ebcf8 100644
--- a/Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdMmcOverride.c
+++ b/Silicon/Marvell/Drivers/SdMmc/XenonDxe/XenonSdMmcOverride.c
@@ -357,7 +357,8 @@ XenonSdMmcCapability (
     Capability &= ~(UINT64)(SDHC_CAP_VOLTAGE_33 | SDHC_CAP_VOLTAGE_30);
   } else {
     Capability &= ~(UINT64)(SDHC_CAP_SDR104 | SDHC_CAP_DDR50 |
-                            SDHC_CAP_SDR50 | SDHC_CAP_VOLTAGE_18);
+                            SDHC_CAP_SDR50 | SDHC_CAP_HS400 |
+                            SDHC_CAP_VOLTAGE_18);
   }
 
   if (!SdMmcDesc.Xenon8BitBusEnabled) {
@@ -365,7 +366,7 @@ XenonSdMmcCapability (
   }
 
   if (SdMmcDesc.XenonSlowModeEnabled) {
-    Capability &= ~(UINT64)(SDHC_CAP_SDR104 | SDHC_CAP_DDR50);
+    Capability &= ~(UINT64)(SDHC_CAP_SDR104 | SDHC_CAP_DDR50 | SDHC_CAP_HS400);
   }
 
   Capability &= ~(UINT64)(SDHC_CAP_SLOT_TYPE_MASK);
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2019-08-05 11:35 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-06-26  7:04 [edk2-platforms: PATCH] Marvell/Drivers: XenonDxe: Explicitly disable HS400 Marcin Wojtas
2019-06-26  9:31 ` Leif Lindholm
2019-06-26  9:58   ` Marcin Wojtas
2019-07-11  8:07     ` Marcin Wojtas
2019-07-11  8:45       ` Leif Lindholm
2019-08-05 11:35         ` Leif Lindholm

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