summaryrefslogtreecommitdiff
path: root/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
diff options
context:
space:
mode:
authoryshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524>2007-10-08 06:14:13 +0000
committeryshang1 <yshang1@6f19259b-4bc3-4df7-8a09-765794883524>2007-10-08 06:14:13 +0000
commit41e8ff2781f3ca14f73ef5f39e781ccba8cb373d (patch)
tree8fd7edcbb8c98bf324db6e2b043b3603abf67158 /MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
parentba5711102a63d081cb388289983a0e2734e42fb5 (diff)
downloadedk2-platforms-41e8ff2781f3ca14f73ef5f39e781ccba8cb373d.tar.xz
Fixed unexpected timeout in Usb MassStorage Driver.
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
Diffstat (limited to 'MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h')
-rw-r--r--MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h36
1 files changed, 27 insertions, 9 deletions
diff --git a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
index 3f2540faf7..e7b4447def 100644
--- a/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
+++ b/MdeModulePkg/Bus/Pci/UhciDxe/Uhci.h
@@ -51,25 +51,43 @@ typedef struct _USB_HC_DEV USB_HC_DEV;
#include "UhciDebug.h"
enum {
+ UHC_1_MICROSECOND = 1,
+ UHC_1_MILLISECOND = 1000 * UHC_1_MICROSECOND,
+ UHC_1_SECOND = 1000 * UHC_1_MILLISECOND,
+
+ //
+ // UHCI register operation timeout, set by experience
//
- // Stall times
+ UHC_GENERIC_TIMEOUT = UHC_1_SECOND,
+
//
- STALL_1_MS = 1000,
- STALL_1_SECOND = 1000 *STALL_1_MS,
+ // Wait for force global resume(FGR) complete, refers to
+ // specification[UHCI11-2.1.1]
+ //
+ UHC_FORCE_GLOBAL_RESUME_STALL = 20 * UHC_1_MILLISECOND,
- UHC_SYN_POLL = 50,
- FORCE_GLOBAL_RESUME_TIME = 20 *STALL_1_MS,
- ROOT_PORT_REST_TIME = 50 *STALL_1_MS,
- PORT_RESET_RECOVERY_TIME = 10 *STALL_1_MS,
- INTERRUPT_POLLING_TIME = 50 * 10000UL,
+ //
+ // Wait for roothub port reset and recovery, reset stall
+ // is set by experience, and recovery stall refers to
+ // specification[UHCI11-2.1.1]
+ //
+ UHC_ROOT_PORT_RESET_STALL = 50 * UHC_1_MILLISECOND,
+ UHC_ROOT_PORT_RECOVERY_STALL = 10 * UHC_1_MILLISECOND,
//
+ // Sync and Async transfer polling interval, set by experience,
+ // and the unit of Async is 100us.
+ //
+ UHC_SYNC_POLL_INTERVAL = 50 * UHC_1_MICROSECOND,
+ UHC_ASYNC_POLL_INTERVAL = 50 * 10000UL,
+
+ //
// UHC raises TPL to TPL_NOTIFY to serialize all its operations
// to protect shared data structures.
//
UHCI_TPL = TPL_NOTIFY,
- USB_HC_DEV_SIGNATURE = EFI_SIGNATURE_32 ('u', 'h', 'c', 'i')
+ USB_HC_DEV_SIGNATURE = EFI_SIGNATURE_32 ('u', 'h', 'c', 'i'),
};
#pragma pack(1)