Changeset 53270 in vbox for trunk/src/VBox/Devices/EFI/Firmware/VBoxPkg/VBoxAppleSim/VBoxAppleSim.c

Timestamp:

Nov 7, 2014 5:47:01 PM (10 years ago)

Author:

vboxsync

Message:

EFI: Work around Apple xHCI Panther Point HS handoff behavior.

File:

• trunk/src/VBox/Devices/EFI/Firmware/VBoxPkg/VBoxAppleSim/VBoxAppleSim.c (modified) (2 diffs)

trunk/src/VBox/Devices/EFI/Firmware/VBoxPkg/VBoxAppleSim/VBoxAppleSim.c

@@ -198 +198 @@
 
 
-/* 
+/*
  * Unknown Protocol #1.
  */
 
 /** This seems to be related to graphics/display... */
-EFI_GUID gEfiUnknown1ProtocolGuid = 
+EFI_GUID gEfiUnknown1ProtocolGuid =
 {
     0xDD8E06AC, 0x00E2, 0x49A9, {0x88, 0x8F, 0xFA, 0x46, 0xDE, 0xD4, 0x0A, 0x52}
@@ -251 +251 @@
      // -legacy acpi=0xffffffff acpi_debug=0xfffffff panic_io_port=0xef11 io=0xfffffffe trace=4096  io=0xffffffef -v serial=2 serialbaud=9600
      // 0x10 makes kdb default, thus 0x15e for kdb, 0x14e for gdb
+     // usb=0x800 is required to work around default behavior of the Apple xHCI driver which rejects high-speed
+     // USB devices and tries to force them to EHCI when running on the Intel Panther Point chipset.
 
      //static const CHAR8  vBootArgs[]      = "debug=0x15e keepsyms=1 acpi=0xffffffff acpi_debug=0xff acpi_level=7 -v -x32 -s"; // or just "debug=0x8 -legacy"
      // 0x14e for serial output
-     //static const CHAR8  vDefBootArgs[]      = "debug=0x146 keepsyms=1 -v -serial=0x1";
-     static const CHAR8  vDefBootArgs[]      = "keepsyms=1 -v -serial=0x1";
+     //static const CHAR8  vDefBootArgs[]      = "debug=0x146 usb=0x800 keepsyms=1 -v -serial=0x1";
+     static const CHAR8  vDefBootArgs[]      = "usb=0x800 keepsyms=1 -v -serial=0x1";
      CHAR8  vBootArgs[256];
      UINT32 BootArgsLen;