IntelFrameworkModulePkg IdeBusDxe: Remove redundant functions

[mirror_edk2.git] / IntelFrameworkModulePkg / Bus / Pci / IdeBusDxe / Ata.c

diff --git a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ata.c b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ata.c
index 7819773f3864247aba8fc46bba9597611940a571..2ca06806d5c42665df02a695ec9dd82b5659ef5e 100644 (file)
--- a/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ata.c
+++ b/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/Ata.c
@@ -2676,124 +2676,5 @@ AtaNonDataCommandIn (
   return EFI_SUCCESS;\r
 }\r
 \r
-/**\r
-  Send ATA Ext command into device with NON_DATA protocol\r
-\r
-  @param  IdeDev Standard IDE device private data structure\r
-  @param  AtaCommand The ATA command to be sent\r
-  @param  Device The value in Device register\r
-  @param  Feature The value in Feature register\r
-  @param  SectorCount The value in SectorCount register\r
-  @param  LbaAddress The LBA address in 48-bit mode\r
-\r
-  @retval  EFI_SUCCESS Reading succeed\r
-  @retval  EFI_ABORTED Command failed\r
-  @retval  EFI_DEVICE_ERROR Device status error.\r
-\r
-**/\r
-EFI_STATUS\r
-AtaNonDataCommandInExt (\r
-  IN  IDE_BLK_IO_DEV  *IdeDev,\r
-  IN  UINT8           AtaCommand,\r
-  IN  UINT8           Device,\r
-  IN  UINT16          Feature,\r
-  IN  UINT16          SectorCount,\r
-  IN  EFI_LBA         LbaAddress\r
-  )\r
-{\r
-  EFI_STATUS  Status;\r
-  UINT8       StatusRegister;\r
-  UINT8       SectorCount8;\r
-  UINT8       Feature8;\r
-  UINT8       LbaLow;\r
-  UINT8       LbaMid;\r
-  UINT8       LbaHigh;\r
-\r
-  Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r
-  if (EFI_ERROR (Status)) {\r
-    return EFI_DEVICE_ERROR;\r
-  }\r
-\r
-  //\r
-  // Select device (bit4), set LBA mode(bit6) (use 0xe0 for compatibility)\r
-  //\r
-  IDEWritePortB (\r
-    IdeDev->PciIo,\r
-    IdeDev->IoPort->Head,\r
-    (UINT8) ((IdeDev->Device << 4) | 0xe0)\r
-    );\r
-\r
-  //\r
-  // ATA commands for ATA device must be issued when DRDY is set\r
-  //\r
-  Status = DRDYReady (IdeDev, ATATIMEOUT);\r
-  if (EFI_ERROR (Status)) {\r
-    return EFI_DEVICE_ERROR;\r
-  }\r
-\r
-  //\r
-  // Pass parameter into device register block\r
-  //\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Head, Device);\r
-\r
-  //\r
-  // Fill the feature register, which is a two-byte FIFO. Need write twice.\r
-  //\r
-  Feature8 = (UINT8) (Feature >> 8);\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, Feature8);\r
-\r
-  Feature8 = (UINT8) Feature;\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg1.Feature, Feature8);\r
-\r
-  //\r
-  // Fill the sector count register, which is a two-byte FIFO. Need write twice.\r
-  //\r
-  SectorCount8 = (UINT8) (SectorCount >> 8);\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r
-\r
-  SectorCount8 = (UINT8) SectorCount;\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorCount, SectorCount8);\r
-\r
-  //\r
-  // Fill the start LBA registers, which are also two-byte FIFO\r
-  //\r
-  LbaLow  = (UINT8) RShiftU64 (LbaAddress, 24);\r
-  LbaMid  = (UINT8) RShiftU64 (LbaAddress, 32);\r
-  LbaHigh = (UINT8) RShiftU64 (LbaAddress, 40);\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r
-\r
-  LbaLow  = (UINT8) LbaAddress;\r
-  LbaMid  = (UINT8) RShiftU64 (LbaAddress, 8);\r
-  LbaHigh = (UINT8) RShiftU64 (LbaAddress, 16);\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->SectorNumber, LbaLow);\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderLsb, LbaMid);\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->CylinderMsb, LbaHigh);\r
-\r
-  //\r
-  // Send command via Command Register\r
-  //\r
-  IDEWritePortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Command, AtaCommand);\r
-\r
-  //\r
-  // Wait for command completion\r
-  //\r
-  Status = WaitForBSYClear (IdeDev, ATATIMEOUT);\r
-  if (EFI_ERROR (Status)) {\r
-    return EFI_DEVICE_ERROR;\r
-  }\r
-\r
-  StatusRegister = IDEReadPortB (IdeDev->PciIo, IdeDev->IoPort->Reg.Status);\r
-  if ((StatusRegister & ATA_STSREG_ERR) == ATA_STSREG_ERR) {\r
-    //\r
-    // Failed to execute command, abort operation\r
-    //\r
-    return EFI_ABORTED;\r
-  }\r
-\r
-  return EFI_SUCCESS;\r
-}\r
-\r
 \r
 \r