diff options
| author | Marcin Wojtas <mw@semihalf.com> | 2017-10-07 11:37:11 +0200 |
|---|---|---|
| committer | Leif Lindholm <leif@developerbox> | 2017-10-29 16:47:53 +0000 |
| commit | f79bce44ac60b3872c9f3e771aaf5fd40487252f (patch) | |
| tree | 928d062acce7ad85f90ca223ee1560c1b1929052 /Platform/Marvell | |
| parent | 20f6f144d3a8ece26f2970220b6a2b09c9fa2613 (diff) | |
| download | edk2-platforms-f79bce44ac60b3872c9f3e771aaf5fd40487252f.tar.xz | |
Marvell/Drivers: XenonDxe: Do not modify FIFO default values
Changing controller's FIFO default values is not necessary and
possibly can cause instabilities, when using some devices.
Disable the modification and rely on initial settings.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Diffstat (limited to 'Platform/Marvell')
| -rwxr-xr-x | Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.c index 31f207eabf..6bbe5bc675 100755 --- a/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.c +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.c @@ -44,20 +44,6 @@ XenonReadVersion ( SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CTRL_VER, TRUE, SDHC_REG_SIZE_2B, ControllerVersion);
}
-STATIC
-VOID
-XenonSetFifo (
- IN EFI_PCI_IO_PROTOCOL *PciIo
- )
-{
- UINTN Data;
-
- // Set FIFO_RTC, FIFO_WTC, FIFO_CS and FIFO_PDLVMC
- Data = SDHC_SLOT_FIFO_DEFAULT_CONFIG;
-
- SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SDHC_SLOT_FIFO_CTRL, FALSE, SDHC_REG_SIZE_4B, &Data);
-}
-
// Auto Clock Gating
STATIC
VOID
@@ -634,8 +620,6 @@ XenonInit ( // Read XENON version
XenonReadVersion (PciIo, &Private->ControllerVersion);
- XenonSetFifo (PciIo);
-
// Disable auto clock generator
XenonSetAcg (PciIo, FALSE);
|