diff options
| author | David Wei <david.wei@intel.com> | 2015-01-12 09:37:20 +0000 |
|---|---|---|
| committer | zwei4 <zwei4@Edk2> | 2015-01-12 09:37:20 +0000 |
| commit | 3cbfba02fef9dae07a041fdbf2e89611d72d6f90 (patch) | |
| tree | 0b3bf0783124d38a191e09736492c0141aa36c15 /Vlv2TbltDevicePkg/Wpce791/LpcSio.c | |
| parent | 6f785cfcc304c48ec04e542ee429df95e7b51bc5 (diff) | |
Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/,
which are for MinnowBoard MAX open source project.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Wei <david.wei@intel.com>
Reviewed-by: Mike Wu <mike.wu@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Vlv2TbltDevicePkg/Wpce791/LpcSio.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/Wpce791/LpcSio.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/Wpce791/LpcSio.c b/Vlv2TbltDevicePkg/Wpce791/LpcSio.c new file mode 100644 index 000000000..8446d381f --- /dev/null +++ b/Vlv2TbltDevicePkg/Wpce791/LpcSio.c @@ -0,0 +1,131 @@ +/** @file
+
+ Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that accompanies this distribution.
+ The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+Module Name:
+
+Module Name:
+
+ LpcSio.c
+
+Abstract: Sio implementation
+
+Revision History
+
+--*/
+
+#include "LpcDriver.h"
+#include <Library/S3BootScriptLib.h>
+
+VOID
+WriteRegister (
+ IN UINT8 Index,
+ IN UINT8 Data
+ );
+
+typedef struct {
+ UINT8 Register;
+ UINT8 Value;
+} EFI_SIO_TABLE;
+
+EFI_SIO_TABLE mSioTable[] = {
+ //
+ // Init keyboard controller
+ //
+ { REG_LOGICAL_DEVICE, SIO_KEYBOARD },
+ { BASE_ADDRESS_HIGH, 0x00 },
+ { BASE_ADDRESS_LOW, 0x60 },
+ { BASE_ADDRESS_HIGH2, 0x00 },
+ { BASE_ADDRESS_LOW2, 0x64 },
+ { PRIMARY_INTERRUPT_SELECT, 0x01 },
+ { ACTIVATE, 0x1 },
+
+ //
+ // Init Mouse controller
+ //
+ { REG_LOGICAL_DEVICE, SIO_MOUSE },
+ { BASE_ADDRESS_HIGH, 0x00 },
+ { BASE_ADDRESS_LOW, 0x60 },
+ { BASE_ADDRESS_HIGH2, 0x00 },
+ { BASE_ADDRESS_LOW2, 0x64 },
+ { PRIMARY_INTERRUPT_SELECT, 0x0c },
+ { ACTIVATE, 0x1 },
+
+ { REG_LOGICAL_DEVICE, SIO_COM },
+ { BASE_ADDRESS_HIGH, 0x03 },
+ { BASE_ADDRESS_LOW, 0xf8 },
+ { PRIMARY_INTERRUPT_SELECT, 0x04 },
+ { ACTIVATE, 0x1 },
+
+
+};
+
+VOID
+LPCWPCE791SetDefault ()
+{
+ UINT8 Index;
+
+ for (Index = 0; Index < sizeof(mSioTable)/sizeof(EFI_SIO_TABLE); Index++) {
+ WriteRegisterAndSaveToScript (mSioTable[Index].Register, mSioTable[Index].Value);
+ }
+
+ return;
+}
+
+VOID
+DisableLogicalDevice (
+ UINT8 DeviceId
+ )
+{
+ WriteRegisterAndSaveToScript (REG_LOGICAL_DEVICE, DeviceId);
+ WriteRegisterAndSaveToScript (ACTIVATE, 0);
+ WriteRegisterAndSaveToScript (BASE_ADDRESS_HIGH, 0);
+ WriteRegisterAndSaveToScript (BASE_ADDRESS_LOW, 0);
+
+ return;
+}
+
+VOID
+WriteRegister (
+ IN UINT8 Index,
+ IN UINT8 Data
+ )
+{
+ LpcIoWrite8(CONFIG_PORT, Index);
+ LpcIoWrite8(DATA_PORT, Data);
+
+ return;
+}
+
+VOID
+WriteRegisterAndSaveToScript (
+ IN UINT8 Index,
+ IN UINT8 Data
+ )
+{
+ UINT8 Buffer[2];
+
+ LpcIoWrite8(CONFIG_PORT, Index);
+ LpcIoWrite8(DATA_PORT, Data);
+
+ Buffer[0] = Index;
+ Buffer[1] = Data;
+ S3BootScriptSaveIoWrite (
+ EfiBootScriptWidthUint8,
+ INDEX_PORT,
+ 2,
+ Buffer
+ );
+
+ return;
+}
+
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