Snap for 4447680 from f008a135a9532663db75f703d3d74d3d623858b7 to pi-release

Change-Id: I1ca2bd6e17b7474a723e9f4670aaa7cbdb34dc7c

2 files changed, 0 insertions, 370 deletions

diff --git a/Chips/TexasInstruments/Omap35xx/SmbusDxe/Smbus.c b/Chips/TexasInstruments/Omap35xx/SmbusDxe/Smbus.c
deleted file mode 100644
index f2f43e2..0000000
--- a/Chips/TexasInstruments/Omap35xx/SmbusDxe/Smbus.c
+++ /dev/null
@@ -1,325 +0,0 @@
-/** @file

-

-  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>

-

-  This program and the accompanying materials

-  are licensed and made available under the terms and conditions of the BSD License

-  which 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.

-

-**/

-

-#include <Uefi.h>

-#include <Omap3530/Omap3530.h>

-

-#include <Library/DebugLib.h>

-#include <Library/IoLib.h>

-#include <Library/UefiBootServicesTableLib.h>

-

-#include <Protocol/SmbusHc.h>

-

-#define MAX_RETRY  1000

-

-//

-// Internal Functions

-//

-STATIC

-EFI_STATUS

-WaitForBusBusy (

-  VOID

-  )

-{

-  UINTN Retry = 0;

-

-  while (++Retry < MAX_RETRY && (MmioRead16(I2C_STAT) & BB) == 0x1);

-

-  if (Retry == MAX_RETRY) {

-    return EFI_TIMEOUT;

-  }

-

-  return EFI_SUCCESS;

-}

-

-STATIC

-EFI_STATUS

-PollForStatus(

-  UINT16 StatusBit

-  )

-{

-  UINTN Retry = 0;

-

-  while(Retry < MAX_RETRY) {

-    if (MmioRead16(I2C_STAT) & StatusBit) {

-      //Clear particular status bit from Status register.

-      MmioOr16(I2C_STAT, StatusBit);

-      break;

-    }

-    Retry++;

-  }

-

-  if (Retry == MAX_RETRY) {

-    return EFI_TIMEOUT;

-  }

-

-  return EFI_SUCCESS;

-}

-

-STATIC

-EFI_STATUS

-ConfigureI2c (

-  VOID

-  )

-{

-  //Program prescaler to obtain 12-MHz clock

-  MmioWrite16(I2C_PSC, 0x0000);

-

-  //Program SCLL and SCLH

-  //NOTE: Following values are the register dump after U-Boot code executed.

-  //We need to figure out how its calculated based on the I2C functional clock and I2C_PSC.

-  MmioWrite16(I2C_SCLL, 0x0035);

-  MmioWrite16(I2C_SCLH, 0x0035);

-

-  //Take the I2C controller out of reset.

-  MmioOr16(I2C_CON, I2C_EN);

-

-  //Initialize the I2C controller.

-

-  //Set I2C controller in Master mode.

-  MmioOr16(I2C_CON, MST);

-

-  //Enable interrupts for receive/transmit mode.

-  MmioOr16(I2C_IE, (XRDY_IE | RRDY_IE | ARDY_IE | NACK_IE));

-

-  return EFI_SUCCESS;

-}

-

-STATIC

-EFI_STATUS

-I2CReadOneByte (

-  UINT8 *Data

-  )

-{

-  EFI_STATUS Status;

-

-  //I2C bus status checking

-  Status = WaitForBusBusy();

-  if (EFI_ERROR(Status)) {

-    return Status;

-  }

-

-  //Poll till Receive ready bit is set.

-  Status = PollForStatus(RRDY);

-  if (EFI_ERROR(Status)) {

-    return Status;

-  }

-

-  *Data = MmioRead8(I2C_DATA);

-

-  return EFI_SUCCESS;

-}

-

-STATIC

-EFI_STATUS

-I2CWriteOneByte (

-  UINT8 Data

-  )

-{

-  EFI_STATUS Status;

-

-  //I2C bus status checking

-  Status = WaitForBusBusy();

-  if (EFI_ERROR(Status)) {

-    return Status;

-  }

-

-  //Data transfer

-  //Poll till Transmit ready bit is set

-  Status = PollForStatus(XRDY);

-  if (EFI_ERROR(Status)) {

-    return Status;

-  }

-

-  MmioWrite8(I2C_DATA, Data);

-

-  //Wait and check if the NACK is not set.

-  gBS->Stall(1000);

-  if (MmioRead16(I2C_STAT) & NACK) {

-    return EFI_DEVICE_ERROR;

-  }

-

-  return EFI_SUCCESS;

-}

-

-STATIC

-EFI_STATUS

-SmbusBlockRead (

-  OUT UINT8       *Buffer,

-  IN  UINTN       Length

-  )

-{

-  UINTN      Index = 0;

-  EFI_STATUS Status = EFI_SUCCESS;

-

-  //Transfer configuration for receiving data.

-  MmioWrite16(I2C_CNT, Length);

-  //Need stop bit before sending data.

-  MmioWrite16(I2C_CON, (I2C_EN | MST | STP | STT));

-

-  while (Index < Length) {

-    //Read a byte

-    Status = I2CReadOneByte(&Buffer[Index++]);

-    if (EFI_ERROR(Status)) {

-      return Status;

-    }

-  }

-

-  //Transfer completion

-  Status = PollForStatus(ARDY);

-  if (EFI_ERROR(Status)) {

-    return Status;

-  }

-

-  return Status;

-}

-

-STATIC

-EFI_STATUS

-SmbusBlockWrite (

-  IN UINT8       *Buffer,

-  IN UINTN       Length

-  )

-{

-  UINTN      Index = 0;

-  EFI_STATUS Status = EFI_SUCCESS;

-

-  //Transfer configuration for transmitting data

-  MmioWrite16(I2C_CNT, Length);

-  MmioWrite16(I2C_CON, (I2C_EN | TRX | MST | STT | STP));

-

-  while (Index < Length) {

-    //Send a byte

-    Status = I2CWriteOneByte(Buffer[Index++]);

-    if (EFI_ERROR(Status)) {

-      return Status;

-    }

-  }

-

-  //Transfer completion

-  Status = PollForStatus(ARDY);

-  if (EFI_ERROR(Status)) {

-    return Status;

-  }

-

-  return Status;

-}

-

-//

-// Public Functions.

-//

-EFI_STATUS

-EFIAPI

-SmbusExecute (

-  IN CONST EFI_SMBUS_HC_PROTOCOL    *This,

-  IN CONST EFI_SMBUS_DEVICE_ADDRESS SlaveAddress,

-  IN CONST EFI_SMBUS_DEVICE_COMMAND Command,

-  IN CONST EFI_SMBUS_OPERATION      Operation,

-  IN CONST BOOLEAN                  PecCheck,

-  IN OUT   UINTN                    *Length,

-  IN OUT   VOID                     *Buffer

-  )

-{

-  UINT8      *ByteBuffer  = Buffer;

-  EFI_STATUS Status       = EFI_SUCCESS;

-  UINT8      SlaveAddr    = (UINT8)(SlaveAddress.SmbusDeviceAddress);

-

-  if (PecCheck) {

-    return EFI_UNSUPPORTED;

-  }

-

-  if ((Operation != EfiSmbusWriteBlock) && (Operation != EfiSmbusReadBlock)) {

-    return EFI_UNSUPPORTED;

-  }

-

-  //Set the Slave address.

-  MmioWrite16(I2C_SA, SlaveAddr);

-

-  if (Operation == EfiSmbusReadBlock) {

-    Status = SmbusBlockRead(ByteBuffer, *Length);

-  } else if (Operation == EfiSmbusWriteBlock) {

-    Status = SmbusBlockWrite(ByteBuffer, *Length);

-  }

-

-  return Status;

-}

-

-EFI_STATUS

-EFIAPI

-SmbusArpDevice (

-  IN CONST EFI_SMBUS_HC_PROTOCOL    *This,

-  IN       BOOLEAN                  ArpAll,

-  IN       EFI_SMBUS_UDID           *SmbusUdid OPTIONAL,

-  IN OUT   EFI_SMBUS_DEVICE_ADDRESS *SlaveAddress OPTIONAL

-  )

-{

-  return EFI_UNSUPPORTED;

-}

-

-

-EFI_STATUS

-EFIAPI

-SmbusGetArpMap (

-  IN CONST EFI_SMBUS_HC_PROTOCOL    *This,

-  IN OUT   UINTN                    *Length,

-  IN OUT   EFI_SMBUS_DEVICE_MAP     **SmbusDeviceMap

-  )

-{

-  return EFI_UNSUPPORTED;

-}

-

-

-EFI_STATUS

-EFIAPI

-SmbusNotify (

-  IN CONST  EFI_SMBUS_HC_PROTOCOL     *This,

-  IN CONST  EFI_SMBUS_DEVICE_ADDRESS  SlaveAddress,

-  IN CONST  UINTN                     Data,

-  IN CONST  EFI_SMBUS_NOTIFY_FUNCTION NotifyFunction

-  )

-{

-  return EFI_UNSUPPORTED;

-}

-

-EFI_SMBUS_HC_PROTOCOL SmbusProtocol =

-{

-  SmbusExecute,

-  SmbusArpDevice,

-  SmbusGetArpMap,

-  SmbusNotify

-};

-

-EFI_STATUS

-InitializeSmbus (

-    IN EFI_HANDLE       ImageHandle,

-    IN EFI_SYSTEM_TABLE *SystemTable

-    )

-{

-  EFI_HANDLE      Handle = NULL;

-  EFI_STATUS      Status;

-

-  //Configure I2C controller.

-  Status = ConfigureI2c();

-  if (EFI_ERROR(Status)) {

-    DEBUG ((EFI_D_ERROR, "InitializeI2c fails.\n"));

-    return Status;

-  }

-

-  // Install the SMBUS interface

-  Status = gBS->InstallMultipleProtocolInterfaces(&Handle, &gEfiSmbusHcProtocolGuid, &SmbusProtocol, NULL);

-  ASSERT_EFI_ERROR(Status);

-

-  return Status;

-}

-

diff --git a/Chips/TexasInstruments/Omap35xx/SmbusDxe/Smbus.inf b/Chips/TexasInstruments/Omap35xx/SmbusDxe/Smbus.inf
deleted file mode 100644
index a92474f..0000000
--- a/Chips/TexasInstruments/Omap35xx/SmbusDxe/Smbus.inf
+++ /dev/null
@@ -1,45 +0,0 @@
-#/** @file

-#

-#  Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>

-#  This program and the accompanying materials

-#  are licensed and made available under the terms and conditions of the BSD License

-#  which 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.

-#

-#**/

-

-[Defines]

-  INF_VERSION                    = 0x00010005

-  BASE_NAME                      = Smbus

-  FILE_GUID                      = d5125e0f-1226-444f-a218-0085996ed5da

-  MODULE_TYPE                    = DXE_DRIVER

-  VERSION_STRING                 = 1.0

-

-  ENTRY_POINT                    = InitializeSmbus

-

-[Sources.common]

-  Smbus.c

-

-[Packages]

-  MdePkg/MdePkg.dec

-  OpenPlatformPkg/Chips/TexasInstruments/Omap35xx/Omap35xxPkg.dec

-

-[LibraryClasses]

-  PcdLib

-  UefiLib

-  UefiDriverEntryPoint

-  MemoryAllocationLib

-  IoLib

-

-[Guids]

-

-[Protocols]

-  gEfiSmbusHcProtocolGuid

-

-[Pcd]

-

-[depex]

-  TRUE