mirror of https://github.com/acidanthera/audk.git
added 20ms stall to wait for slave device ready when identify some type of Seagate Hard Disk.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1358 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
parent
35d5d932db
commit
3eeb9655a1
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@ -1,12 +1,12 @@
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/** @file
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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@ -48,7 +48,7 @@ IDEReadPortB (
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}
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/**
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Reads multiple words of data from the IDE data port.
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Reads multiple words of data from the IDE data port.
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Call the IO abstraction once to do the complete read,
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not one word at a time
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@ -167,7 +167,7 @@ IDEWritePortW (
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}
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/**
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Write multiple words of data to the IDE data port.
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Write multiple words of data to the IDE data port.
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Call the IO abstraction once to do the complete read,
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not one word at a time
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@ -297,10 +297,10 @@ BadIdeDeviceCheck (
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use fixed addresses. In Native-PCI mode, get base addresses from BARs in
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the PCI IDE controller's Configuration Space.
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The steps to get IDE IO port registers' base addresses for each channel
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The steps to get IDE IO port registers' base addresses for each channel
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as follows:
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1. Examine the Programming Interface byte of the Class Code fields in PCI IDE
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1. Examine the Programming Interface byte of the Class Code fields in PCI IDE
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controller's Configuration Space to determine the operating mode.
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2. a) In 'Compatibility' mode, use fixed addresses shown in the Table 1 below.
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@ -331,11 +331,11 @@ BadIdeDeviceCheck (
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Table 2. BARs for Register Mapping
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</pre>
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@note Refer to Intel ICH4 datasheet, Control Block Offset: 03F4h for
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primary, 0374h for secondary. So 2 bytes extra offset should be
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@note Refer to Intel ICH4 datasheet, Control Block Offset: 03F4h for
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primary, 0374h for secondary. So 2 bytes extra offset should be
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added to the base addresses read from BARs.
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For more details, please refer to PCI IDE Controller Specification and Intel
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For more details, please refer to PCI IDE Controller Specification and Intel
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ICH4 Datasheet.
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@param PciIo Pointer to the EFI_PCI_IO_PROTOCOL instance
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@ -370,13 +370,13 @@ GetIdeRegistersBaseAddr (
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if ((PciData.Hdr.ClassCode[0] & IDE_PRIMARY_OPERATING_MODE) == 0) {
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IdeRegsBaseAddr[IdePrimary].CommandBlockBaseAddr = 0x1f0;
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IdeRegsBaseAddr[IdePrimary].ControlBlockBaseAddr = 0x3f6;
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IdeRegsBaseAddr[IdePrimary].BusMasterBaseAddr =
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IdeRegsBaseAddr[IdePrimary].BusMasterBaseAddr =
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(UINT16)((PciData.Device.Bar[4] & 0x0000fff0));
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} else {
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//
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// The BARs should be of IO type
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//
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if ((PciData.Device.Bar[0] & bit0) == 0 ||
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if ((PciData.Device.Bar[0] & bit0) == 0 ||
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(PciData.Device.Bar[1] & bit0) == 0) {
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return EFI_UNSUPPORTED;
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}
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@ -415,8 +415,8 @@ GetIdeRegistersBaseAddr (
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}
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/**
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This function is used to requery IDE resources. The IDE controller will
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probably switch between native and legacy modes during the EFI->CSM->OS
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This function is used to requery IDE resources. The IDE controller will
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probably switch between native and legacy modes during the EFI->CSM->OS
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transfer. We do this everytime before an BlkIo operation to ensure its
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succeess.
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@ -543,7 +543,7 @@ DiscoverIdeDevice (
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if (Status == EFI_SUCCESS) {
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SataFlag = TRUE;
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}
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//
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// If a channel has not been checked, check it now. Then set it to "checked" state
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// After this step, all devices in this channel have been checked.
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@ -553,7 +553,7 @@ DiscoverIdeDevice (
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if ((EFI_ERROR (Status)) && !SataFlag) {
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return EFI_NOT_FOUND;
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}
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//
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// Device exists. test if it is an ATA device
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//
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@ -596,19 +596,19 @@ DiscoverIdeDevice (
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}
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/**
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This function is called by DiscoverIdeDevice(). It is used for detect
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whether the IDE device exists in the specified Channel as the specified
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This function is called by DiscoverIdeDevice(). It is used for detect
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whether the IDE device exists in the specified Channel as the specified
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Device Number.
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There is two IDE channels: one is Primary Channel, the other is
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Secondary Channel.(Channel is the logical name for the physical "Cable".)
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There is two IDE channels: one is Primary Channel, the other is
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Secondary Channel.(Channel is the logical name for the physical "Cable".)
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Different channel has different register group.
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On each IDE channel, at most two IDE devices attach,
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one is called Device 0 (Master device), the other is called Device 1
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(Slave device). The devices on the same channel co-use the same register
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group, so before sending out a command for a specified device via command
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register, it is a must to select the current device to accept the command
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On each IDE channel, at most two IDE devices attach,
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one is called Device 0 (Master device), the other is called Device 1
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(Slave device). The devices on the same channel co-use the same register
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group, so before sending out a command for a specified device via command
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register, it is a must to select the current device to accept the command
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by set the device number in the Head/Device Register.
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@param[in] *IdeDev
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@ -617,7 +617,7 @@ DiscoverIdeDevice (
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@retval TRUE
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successfully detects device.
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@retval FALSE
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any failure during detection process will return this
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value.
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@ -658,7 +658,7 @@ DetectIDEController (
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return EFI_NOT_FOUND;
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}
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}
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//
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// Select slave device
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//
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@ -712,16 +712,18 @@ DetectIDEController (
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MasterDeviceExist = FALSE;
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DeviceStatus = EFI_NOT_FOUND;
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}
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//
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// Master Error register is not 0x81, Go on check Slave
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//
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//
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// Stall 10ms to wait for slave device ready
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// Stall 20ms to wait for slave device ready if master device not exists
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//
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gBS->Stall (10000);
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if (!MasterDeviceExist) {
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gBS->Stall (20000);
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}
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//
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// select slave
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//
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@ -773,20 +775,20 @@ DetectIDEController (
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}
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/**
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This function is used to poll for the DRQ bit clear in the Status
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Register. DRQ is cleared when the device is finished transferring data.
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This function is used to poll for the DRQ bit clear in the Status
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Register. DRQ is cleared when the device is finished transferring data.
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So this function is called after data transfer is finished.
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@param[in] *IdeDev
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pointer pointing to IDE_BLK_IO_DEV data structure, used
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to record all the information of the IDE device.
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@param[in] TimeoutInMilliSeconds
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used to designate the timeout for the DRQ clear.
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@retval EFI_SUCCESS
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DRQ bit clear within the time out.
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@retval EFI_TIMEOUT
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DRQ bit not clear within the time out.
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@ -846,21 +848,21 @@ DRQClear (
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}
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/**
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This function is used to poll for the DRQ bit clear in the Alternate
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Status Register. DRQ is cleared when the device is finished
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This function is used to poll for the DRQ bit clear in the Alternate
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Status Register. DRQ is cleared when the device is finished
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transferring data. So this function is called after data transfer
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is finished.
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@param[in] *IdeDev
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pointer pointing to IDE_BLK_IO_DEV data structure, used
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to record all the information of the IDE device.
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@param[in] TimeoutInMilliSeconds
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used to designate the timeout for the DRQ clear.
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@retval EFI_SUCCESS
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DRQ bit clear within the time out.
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@retval EFI_TIMEOUT
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DRQ bit not clear within the time out.
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@ -920,25 +922,25 @@ DRQClear2 (
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}
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/**
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This function is used to poll for the DRQ bit set in the
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This function is used to poll for the DRQ bit set in the
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Status Register.
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DRQ is set when the device is ready to transfer data. So this function
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is called after the command is sent to the device and before required
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is called after the command is sent to the device and before required
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data is transferred.
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@param[in] IDE_BLK_IO_DEV IN *IdeDev
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pointer pointing to IDE_BLK_IO_DEV data structure,used
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to record all the information of the IDE device.
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@param[in] UINTN IN TimeoutInMilliSeconds
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used to designate the timeout for the DRQ ready.
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@retval EFI_SUCCESS
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DRQ bit set within the time out.
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@retval EFI_TIMEOUT
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DRQ bit not set within the time out.
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@retval EFI_ABORTED
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DRQ bit not set caused by the command abort.
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@ -998,24 +1000,24 @@ DRQReady (
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}
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/**
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This function is used to poll for the DRQ bit set in the
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Alternate Status Register. DRQ is set when the device is ready to
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transfer data. So this function is called after the command
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This function is used to poll for the DRQ bit set in the
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Alternate Status Register. DRQ is set when the device is ready to
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transfer data. So this function is called after the command
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is sent to the device and before required data is transferred.
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@param[in] IDE_BLK_IO_DEV IN *IdeDev
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pointer pointing to IDE_BLK_IO_DEV data structure, used
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to record all the information of the IDE device.
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@param[in] UINTN IN TimeoutInMilliSeconds
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used to designate the timeout for the DRQ ready.
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@retval EFI_SUCCESS
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DRQ bit set within the time out.
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@retval EFI_TIMEOUT
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DRQ bit not set within the time out.
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@retval EFI_ABORTED
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DRQ bit not set caused by the command abort.
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@ -1075,20 +1077,20 @@ DRQReady2 (
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}
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/**
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This function is used to poll for the BSY bit clear in the
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This function is used to poll for the BSY bit clear in the
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Status Register. BSY is clear when the device is not busy.
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Every command must be sent after device is not busy.
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@param[in] IDE_BLK_IO_DEV IN *IdeDev
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pointer pointing to IDE_BLK_IO_DEV data structure, used
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to record all the information of the IDE device.
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@param[in] UINTN IN TimeoutInMilliSeconds
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used to designate the timeout for the DRQ ready.
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@retval EFI_SUCCESS
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BSY bit clear within the time out.
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@retval EFI_TIMEOUT
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BSY bit not clear within the time out.
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@ -1136,20 +1138,20 @@ WaitForBSYClear (
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// WaitForBSYClear2
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//
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/**
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This function is used to poll for the BSY bit clear in the
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This function is used to poll for the BSY bit clear in the
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Alternate Status Register. BSY is clear when the device is not busy.
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Every command must be sent after device is not busy.
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@param[in] IDE_BLK_IO_DEV IN *IdeDev
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pointer pointing to IDE_BLK_IO_DEV data structure, used
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to record all the information of the IDE device.
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@param[in] UINTN IN TimeoutInMilliSeconds
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used to designate the timeout for the DRQ ready.
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@retval EFI_SUCCESS
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BSY bit clear within the time out.
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@retval EFI_TIMEOUT
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BSY bit not clear within the time out.
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@ -1194,21 +1196,21 @@ WaitForBSYClear2 (
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// DRDYReady
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//
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/**
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This function is used to poll for the DRDY bit set in the
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Status Register. DRDY bit is set when the device is ready
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to accept command. Most ATA commands must be sent after
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This function is used to poll for the DRDY bit set in the
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Status Register. DRDY bit is set when the device is ready
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to accept command. Most ATA commands must be sent after
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DRDY set except the ATAPI Packet Command.
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@param[in] IDE_BLK_IO_DEV IN *IdeDev
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pointer pointing to IDE_BLK_IO_DEV data structure, used
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to record all the information of the IDE device.
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@param[in] UINTN IN TimeoutInMilliSeconds
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used to designate the timeout for the DRQ ready.
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@retval EFI_SUCCESS
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DRDY bit set within the time out.
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@retval EFI_TIMEOUT
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DRDY bit not set within the time out.
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@ -1265,21 +1267,21 @@ DRDYReady (
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// DRDYReady2
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//
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/**
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This function is used to poll for the DRDY bit set in the
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Alternate Status Register. DRDY bit is set when the device is ready
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to accept command. Most ATA commands must be sent after
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This function is used to poll for the DRDY bit set in the
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Alternate Status Register. DRDY bit is set when the device is ready
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to accept command. Most ATA commands must be sent after
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DRDY set except the ATAPI Packet Command.
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@param[in] IDE_BLK_IO_DEV IN *IdeDev
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pointer pointing to IDE_BLK_IO_DEV data structure, used
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to record all the information of the IDE device.
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@param[in] UINTN IN TimeoutInMilliSeconds
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used to designate the timeout for the DRQ ready.
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@retval EFI_SUCCESS
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DRDY bit set within the time out.
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@retval EFI_TIMEOUT
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DRDY bit not set within the time out.
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@ -1336,23 +1338,23 @@ DRDYReady2 (
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// SwapStringChars
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//
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/**
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This function is a helper function used to change the char order in a
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This function is a helper function used to change the char order in a
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string. It is designed specially for the PrintAtaModuleName() function.
|
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After the IDE device is detected, the IDE driver gets the device module
|
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name by sending ATA command called ATA Identify Command or ATAPI
|
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Identify Command to the specified IDE device. The module name returned
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is a string of ASCII characters: the first character is bit8--bit15
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of the first word, the second character is bit0--bit7 of the first word
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and so on. Thus the string can not be print directly before it is
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preprocessed by this func to change the order of characters in
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name by sending ATA command called ATA Identify Command or ATAPI
|
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Identify Command to the specified IDE device. The module name returned
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is a string of ASCII characters: the first character is bit8--bit15
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of the first word, the second character is bit0--bit7 of the first word
|
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and so on. Thus the string can not be print directly before it is
|
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preprocessed by this func to change the order of characters in
|
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each word in the string.
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|
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@param[in] CHAR8 IN *Destination
|
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Indicates the destination string.
|
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|
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@param[in] CHAR8 IN *Source
|
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Indicates the source string.
|
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|
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@param[in] UINT8 IN Size
|
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the length of the string
|
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|
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@ -1396,7 +1398,7 @@ ReleaseIdeResources (
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//
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// Release all the resourses occupied by the IDE_BLK_IO_DEV
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//
|
||||
|
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|
||||
if (IdeBlkIoDevice->SenseData != NULL) {
|
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gBS->FreePool (IdeBlkIoDevice->SenseData);
|
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IdeBlkIoDevice->SenseData = NULL;
|
||||
|
|
|
|||
Loading…
Reference in New Issue