diff options
Diffstat (limited to 'Omap35xxPkg/PciEmulation/PciEmulation.c')
| -rw-r--r-- | Omap35xxPkg/PciEmulation/PciEmulation.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Omap35xxPkg/PciEmulation/PciEmulation.c b/Omap35xxPkg/PciEmulation/PciEmulation.c index bdba40353f..3e49f8a1bc 100644 --- a/Omap35xxPkg/PciEmulation/PciEmulation.c +++ b/Omap35xxPkg/PciEmulation/PciEmulation.c @@ -62,6 +62,12 @@ ConfigureUSBHost ( EFI_STATUS Status; UINT8 Data = 0; + // Do a softreset + MmioOr32 (UHH_SYSCONFIG, UHH_SYSCONFIG_SOFTRESET); + // When the bit clears reset is complete + while ((MmioRead32 (UHH_SYSCONFIG) & UHH_SYSCONFIG_SOFTRESET) == UHH_SYSCONFIG_SOFTRESET); + + // Take USB host out of force-standby mode MmioWrite32 (UHH_SYSCONFIG, UHH_SYSCONFIG_MIDLEMODE_NO_STANDBY | UHH_SYSCONFIG_CLOCKACTIVITY_ON |