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Fixed unexpected timeout in Usb MassStorage Driver.

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Fixed unexpected timeout in Uhci/Ehci driver.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4038 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
yshang1
2007-10-08 06:14:13 +00:00
parent ba5711102a
commit 41e8ff2781
22 changed files with 386 additions and 262 deletions
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37
MdeModulePkg/Bus/Pci/EhciDxe/Ehci.h
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@ -49,18 +49,35 @@ typedef struct _USB2_HC_DEV USB2_HC_DEV;
#include "EhciDebug.h"
enum {
USB2_HC_DEV_SIGNATURE = EFI_SIGNATURE_32 ('e', 'h', 'c', 'i'),
EHC_STALL_1_MICROSECOND = 1,
EHC_STALL_1_MILLISECOND = 1000 * EHC_STALL_1_MICROSECOND,
EHC_STALL_1_SECOND = 1000 * EHC_STALL_1_MILLISECOND,
EHC_1_MICROSECOND = 1,
EHC_1_MILLISECOND = 1000 * EHC_1_MICROSECOND,
EHC_1_SECOND = 1000 * EHC_1_MILLISECOND,
EHC_SET_PORT_RESET_TIME = 50 * EHC_STALL_1_MILLISECOND,
EHC_CLEAR_PORT_RESET_TIME = EHC_STALL_1_MILLISECOND,
EHC_GENERIC_TIME = 10 * EHC_STALL_1_MILLISECOND,
EHC_SYNC_POLL_TIME = 20 * EHC_STALL_1_MICROSECOND,
EHC_ASYNC_POLL_TIME = 50 * 10000UL, // The unit of time is 100us
//
// EHCI register operation timeout, set by experience
//
EHC_RESET_TIMEOUT = 1 * EHC_1_SECOND,
EHC_GENERIC_TIMEOUT = 10 * EHC_1_MILLISECOND,
EHC_TPL = TPL_NOTIFY
//
// Wait for roothub port power stable, refers to Spec[EHCI1.0-2.3.9]
//
EHC_ROOT_PORT_RECOVERY_STALL = 20 * EHC_1_MILLISECOND,
//
// Sync and Async transfer polling interval, set by experience,
// and the unit of Async is 100us, means 50ms as interval.
//
EHC_SYNC_POLL_INTERVAL = 20 * EHC_1_MICROSECOND,
EHC_ASYNC_POLL_INTERVAL = 50 * 10000U,
//
// EHC raises TPL to TPL_NOTIFY to serialize all its operations
// to protect shared data structures.
//
EHC_TPL = TPL_NOTIFY,
USB2_HC_DEV_SIGNATURE = EFI_SIGNATURE_32 ('e', 'h', 'c', 'i'),
};
//