diff options
Diffstat (limited to 'ArmPkg/Universal/MmcDxe/MmcBlockIo.c')
| -rw-r--r-- | ArmPkg/Universal/MmcDxe/MmcBlockIo.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/ArmPkg/Universal/MmcDxe/MmcBlockIo.c b/ArmPkg/Universal/MmcDxe/MmcBlockIo.c index d8bd2d18b9..16af1d466b 100644 --- a/ArmPkg/Universal/MmcDxe/MmcBlockIo.c +++ b/ArmPkg/Universal/MmcDxe/MmcBlockIo.c @@ -34,24 +34,24 @@ MmcNotifyState ( }
VOID PrintOCR(UINT32 ocr) {
- float minv, maxv, volts;
- int loop;
+ UINTN minv, maxv, volts;
+ UINTN loop;
- minv = 3.6;
- maxv = 2.0;
- volts = 2.0;
+ minv = 36; // 3.6
+ maxv = 20; // 2.0
+ volts = 20; // 2.0
// The MMC register bits [23:8] indicate the working range of the card
for (loop = 8; loop < 24; loop++) {
if (ocr & (1 << loop)) {
if (minv > volts) minv = volts;
- if (maxv < volts) maxv = volts + 0.1;
+ if (maxv < volts) maxv = volts + 1;
}
- volts = volts + 0.1;
+ volts = volts + 1;
}
DEBUG((EFI_D_ERROR, "- PrintOCR ocr (0x%X)\n",ocr));
- //DEBUG((EFI_D_ERROR, "\t- Card operating voltage: %fV to %fV\n", minv, maxv));
+ DEBUG((EFI_D_ERROR, "\t- Card operating voltage: %d.%d to %d.%d\n", minv/10, minv % 10, maxv/10, maxv % 10));
if (((ocr >> 29) & 3) == 0)
DEBUG((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n"));
else
|