1 files changed, 344 insertions, 344 deletions
diff --git a/ArmPlatformPkg/Drivers/PL061GpioDxe/PL061Gpio.c b/ArmPlatformPkg/Drivers/PL061GpioDxe/PL061Gpio.c
index cb811d89d6..ff05662b88 100644
--- a/ArmPlatformPkg/Drivers/PL061GpioDxe/PL061Gpio.c
+++ b/ArmPlatformPkg/Drivers/PL061GpioDxe/PL061Gpio.c
@@ -1,344 +1,344 @@
-/** @file
-*
-*  Copyright (c) 2011, ARM Limited. All rights reserved.
-*
-*  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 <PiDxe.h>
-
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/DebugLib.h>
-#include <Library/IoLib.h>
-#include <Library/PcdLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-
-#include <Protocol/EmbeddedGpio.h>
-#include <Drivers/PL061Gpio.h>
-
-BOOLEAN     mPL061Initialized = FALSE;
-
-/**
-  Function implementations
-**/
-
-EFI_STATUS
-PL061Identify (
-  VOID
-  )
-{
-  // Check if this is a PrimeCell Peripheral
-  if (    (MmioRead8 (PL061_GPIO_PCELL_ID0) != 0x0D)
-      ||  (MmioRead8 (PL061_GPIO_PCELL_ID1) != 0xF0)
-      ||  (MmioRead8 (PL061_GPIO_PCELL_ID2) != 0x05)
-      ||  (MmioRead8 (PL061_GPIO_PCELL_ID3) != 0xB1)) {
-    return EFI_NOT_FOUND;
-  }
-
-  // Check if this PrimeCell Peripheral is the PL061 GPIO
-  if (    (MmioRead8 (PL061_GPIO_PERIPH_ID0) != 0x61)
-      ||  (MmioRead8 (PL061_GPIO_PERIPH_ID1) != 0x10)
-      ||  ((MmioRead8 (PL061_GPIO_PERIPH_ID2) & 0xF) != 0x04)
-      ||  (MmioRead8 (PL061_GPIO_PERIPH_ID3) != 0x00)) {
-    return EFI_NOT_FOUND;
-  }
-
-  return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PL061Initialize (
-  VOID
-  )
-{
-  EFI_STATUS  Status;
-
-  // Check if the PL061 GPIO module exists on board
-  Status = PL061Identify();
-  if (EFI_ERROR (Status)) {
-    Status = EFI_DEVICE_ERROR;
-    goto EXIT;
-  }
-
-  // Do other hardware initialisation things here as required
-
-  // Disable Interrupts
-  //if (MmioRead8 (PL061_GPIO_IE_REG) != 0) {
-  //   // Ensure interrupts are disabled
-  //}
-
-  mPL061Initialized = TRUE;
-
-  EXIT:
-  return Status;
-}
-
-/**
-
-Routine Description:
-
-  Gets the state of a GPIO pin
-
-Arguments:
-
-  This  - pointer to protocol
-  Gpio  - which pin to read
-  Value - state of the pin
-
-Returns:
-
-  EFI_SUCCESS           - GPIO state returned in Value
-  EFI_INVALID_PARAMETER - Value is NULL pointer or Gpio pin is out of range
-**/
-EFI_STATUS
-EFIAPI
-Get (
-  IN  EMBEDDED_GPIO     *This,
-  IN  EMBEDDED_GPIO_PIN Gpio,
-  OUT UINTN             *Value
-  )
-{
-  EFI_STATUS    Status = EFI_SUCCESS;
-
-  if (    (Value == NULL)
-      ||  (Gpio > LAST_GPIO_PIN))
-  {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  // Initialize the hardware if not already done
-  if (!mPL061Initialized) {
-    Status = PL061Initialize();
-    if (EFI_ERROR(Status)) {
-      goto EXIT;
-    }
-  }
-
-  if (MmioRead8 (PL061_GPIO_DATA_REG) & GPIO_PIN_MASK_HIGH_8BIT(Gpio)) {
-    *Value = 1;
-  } else {
-    *Value = 0;
-  }
-
-  EXIT:
-  return Status;
-}
-
-/**
-
-Routine Description:
-
-  Sets the state of a GPIO pin
-
-Arguments:
-
-  This  - pointer to protocol
-  Gpio  - which pin to modify
-  Mode  - mode to set
-
-Returns:
-
-  EFI_SUCCESS           - GPIO set as requested
-  EFI_UNSUPPORTED       - Mode is not supported
-  EFI_INVALID_PARAMETER - Gpio pin is out of range
-**/
-EFI_STATUS
-EFIAPI
-Set (
-  IN  EMBEDDED_GPIO       *This,
-  IN  EMBEDDED_GPIO_PIN   Gpio,
-  IN  EMBEDDED_GPIO_MODE  Mode
-  )
-{
-  EFI_STATUS    Status = EFI_SUCCESS;
-
-  // Check for errors
-  if (Gpio > LAST_GPIO_PIN) {
-    Status = EFI_INVALID_PARAMETER;
-    goto EXIT;
-  }
-
-  // Initialize the hardware if not already done
-  if (!mPL061Initialized) {
-    Status = PL061Initialize();
-    if (EFI_ERROR(Status)) {
-      goto EXIT;
-    }
-  }
-
-  switch (Mode)
-  {
-    case GPIO_MODE_INPUT:
-      // Set the corresponding direction bit to LOW for input
-      MmioAnd8 (PL061_GPIO_DIR_REG, GPIO_PIN_MASK_LOW_8BIT(Gpio));
-      break;
-
-    case GPIO_MODE_OUTPUT_0:
-      // Set the corresponding data bit to LOW for 0
-      MmioAnd8 (PL061_GPIO_DATA_REG, GPIO_PIN_MASK_LOW_8BIT(Gpio));
-      // Set the corresponding direction bit to HIGH for output
-      MmioOr8 (PL061_GPIO_DIR_REG, GPIO_PIN_MASK_HIGH_8BIT(Gpio));
-      break;
-
-    case GPIO_MODE_OUTPUT_1:
-      // Set the corresponding data bit to HIGH for 1
-      MmioOr8 (PL061_GPIO_DATA_REG, GPIO_PIN_MASK_HIGH_8BIT(Gpio));
-      // Set the corresponding direction bit to HIGH for output
-      MmioOr8 (PL061_GPIO_DIR_REG, GPIO_PIN_MASK_HIGH_8BIT(Gpio));
-      break;
-
-    default:
-      // Other modes are not supported
-      return EFI_UNSUPPORTED;
-  }
-
-EXIT:
-  return Status;
-}
-
-/**
-
-Routine Description:
-
-  Gets the mode (function) of a GPIO pin
-
-Arguments:
-
-  This  - pointer to protocol
-  Gpio  - which pin
-  Mode  - pointer to output mode value
-
-Returns:
-
-  EFI_SUCCESS           - mode value retrieved
-  EFI_INVALID_PARAMETER - Mode is a null pointer or Gpio pin is out of range
-
-**/
-EFI_STATUS
-EFIAPI
-GetMode (
-  IN  EMBEDDED_GPIO       *This,
-  IN  EMBEDDED_GPIO_PIN   Gpio,
-  OUT EMBEDDED_GPIO_MODE  *Mode
-  )
-{
-  EFI_STATUS Status;
-
-  // Check for errors
-  if (    (Mode == NULL)
-      ||  (Gpio > LAST_GPIO_PIN)) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  // Initialize the hardware if not already done
-  if (!mPL061Initialized) {
-    Status = PL061Initialize();
-    if (EFI_ERROR(Status)) {
-      return Status;
-    }
-  }
-
-  // Check if it is input or output
-  if (MmioRead8 (PL061_GPIO_DIR_REG) & GPIO_PIN_MASK_HIGH_8BIT(Gpio)) {
-    // Pin set to output
-    if (MmioRead8 (PL061_GPIO_DATA_REG) & GPIO_PIN_MASK_HIGH_8BIT(Gpio)) {
-      *Mode = GPIO_MODE_OUTPUT_1;
-    } else {
-      *Mode = GPIO_MODE_OUTPUT_0;
-    }
-  } else {
-    // Pin set to input
-    *Mode = GPIO_MODE_INPUT;
-  }
-
-  return EFI_SUCCESS;
-}
-
-/**
-
-Routine Description:
-
-  Sets the pull-up / pull-down resistor of a GPIO pin
-
-Arguments:
-
-  This  - pointer to protocol
-  Gpio  - which pin
-  Direction - pull-up, pull-down, or none
-
-Returns:
-
-  EFI_UNSUPPORTED - Can not perform the requested operation
-
-**/
-EFI_STATUS
-EFIAPI
-SetPull (
-  IN  EMBEDDED_GPIO       *This,
-  IN  EMBEDDED_GPIO_PIN   Gpio,
-  IN  EMBEDDED_GPIO_PULL  Direction
-  )
-{
-  return EFI_UNSUPPORTED;
-}
-
-/**
- Protocol variable definition
- **/
-EMBEDDED_GPIO gGpio = {
-  Get,
-  Set,
-  GetMode,
-  SetPull
-};
-
-/**
-  Initialize the state information for the Embedded Gpio protocol.
-
-  @param  ImageHandle   of the loaded driver
-  @param  SystemTable   Pointer to the System Table
-
-  @retval EFI_SUCCESS           Protocol registered
-  @retval EFI_OUT_OF_RESOURCES  Cannot allocate protocol data structure
-  @retval EFI_DEVICE_ERROR      Hardware problems
-
-**/
-EFI_STATUS
-EFIAPI
-PL061InstallProtocol (
-  IN EFI_HANDLE         ImageHandle,
-  IN EFI_SYSTEM_TABLE   *SystemTable
-  )
-{
-  EFI_STATUS  Status;
-  EFI_HANDLE  Handle;
-
-  //
-  // Make sure the Gpio protocol has not been installed in the system yet.
-  //
-  ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEmbeddedGpioProtocolGuid);
-
-  // Install the Embedded GPIO Protocol onto a new handle
-  Handle = NULL;
-  Status = gBS->InstallMultipleProtocolInterfaces(
-                  &Handle,
-                  &gEmbeddedGpioProtocolGuid, &gGpio,
-                  NULL
-                 );
-  if (EFI_ERROR(Status)) {
-    Status = EFI_OUT_OF_RESOURCES;
-  }
-
-  return Status;
-}
+/** @file
+*
+*  Copyright (c) 2011, ARM Limited. All rights reserved.
+*
+*  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 <PiDxe.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/PcdLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+
+#include <Protocol/EmbeddedGpio.h>
+#include <Drivers/PL061Gpio.h>
+
+BOOLEAN     mPL061Initialized = FALSE;
+
+/**
+  Function implementations
+**/
+
+EFI_STATUS
+PL061Identify (
+  VOID
+  )
+{
+  // Check if this is a PrimeCell Peripheral
+  if (    (MmioRead8 (PL061_GPIO_PCELL_ID0) != 0x0D)
+      ||  (MmioRead8 (PL061_GPIO_PCELL_ID1) != 0xF0)
+      ||  (MmioRead8 (PL061_GPIO_PCELL_ID2) != 0x05)
+      ||  (MmioRead8 (PL061_GPIO_PCELL_ID3) != 0xB1)) {
+    return EFI_NOT_FOUND;
+  }
+
+  // Check if this PrimeCell Peripheral is the PL061 GPIO
+  if (    (MmioRead8 (PL061_GPIO_PERIPH_ID0) != 0x61)
+      ||  (MmioRead8 (PL061_GPIO_PERIPH_ID1) != 0x10)
+      ||  ((MmioRead8 (PL061_GPIO_PERIPH_ID2) & 0xF) != 0x04)
+      ||  (MmioRead8 (PL061_GPIO_PERIPH_ID3) != 0x00)) {
+    return EFI_NOT_FOUND;
+  }
+
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+PL061Initialize (
+  VOID
+  )
+{
+  EFI_STATUS  Status;
+
+  // Check if the PL061 GPIO module exists on board
+  Status = PL061Identify();
+  if (EFI_ERROR (Status)) {
+    Status = EFI_DEVICE_ERROR;
+    goto EXIT;
+  }
+
+  // Do other hardware initialisation things here as required
+
+  // Disable Interrupts
+  //if (MmioRead8 (PL061_GPIO_IE_REG) != 0) {
+  //   // Ensure interrupts are disabled
+  //}
+
+  mPL061Initialized = TRUE;
+
+  EXIT:
+  return Status;
+}
+
+/**
+
+Routine Description:
+
+  Gets the state of a GPIO pin
+
+Arguments:
+
+  This  - pointer to protocol
+  Gpio  - which pin to read
+  Value - state of the pin
+
+Returns:
+
+  EFI_SUCCESS           - GPIO state returned in Value
+  EFI_INVALID_PARAMETER - Value is NULL pointer or Gpio pin is out of range
+**/
+EFI_STATUS
+EFIAPI
+Get (
+  IN  EMBEDDED_GPIO     *This,
+  IN  EMBEDDED_GPIO_PIN Gpio,
+  OUT UINTN             *Value
+  )
+{
+  EFI_STATUS    Status = EFI_SUCCESS;
+
+  if (    (Value == NULL)
+      ||  (Gpio > LAST_GPIO_PIN))
+  {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  // Initialize the hardware if not already done
+  if (!mPL061Initialized) {
+    Status = PL061Initialize();
+    if (EFI_ERROR(Status)) {
+      goto EXIT;
+    }
+  }
+
+  if (MmioRead8 (PL061_GPIO_DATA_REG) & GPIO_PIN_MASK_HIGH_8BIT(Gpio)) {
+    *Value = 1;
+  } else {
+    *Value = 0;
+  }
+
+  EXIT:
+  return Status;
+}
+
+/**
+
+Routine Description:
+
+  Sets the state of a GPIO pin
+
+Arguments:
+
+  This  - pointer to protocol
+  Gpio  - which pin to modify
+  Mode  - mode to set
+
+Returns:
+
+  EFI_SUCCESS           - GPIO set as requested
+  EFI_UNSUPPORTED       - Mode is not supported
+  EFI_INVALID_PARAMETER - Gpio pin is out of range
+**/
+EFI_STATUS
+EFIAPI
+Set (
+  IN  EMBEDDED_GPIO       *This,
+  IN  EMBEDDED_GPIO_PIN   Gpio,
+  IN  EMBEDDED_GPIO_MODE  Mode
+  )
+{
+  EFI_STATUS    Status = EFI_SUCCESS;
+
+  // Check for errors
+  if (Gpio > LAST_GPIO_PIN) {
+    Status = EFI_INVALID_PARAMETER;
+    goto EXIT;
+  }
+
+  // Initialize the hardware if not already done
+  if (!mPL061Initialized) {
+    Status = PL061Initialize();
+    if (EFI_ERROR(Status)) {
+      goto EXIT;
+    }
+  }
+
+  switch (Mode)
+  {
+    case GPIO_MODE_INPUT:
+      // Set the corresponding direction bit to LOW for input
+      MmioAnd8 (PL061_GPIO_DIR_REG, GPIO_PIN_MASK_LOW_8BIT(Gpio));
+      break;
+
+    case GPIO_MODE_OUTPUT_0:
+      // Set the corresponding data bit to LOW for 0
+      MmioAnd8 (PL061_GPIO_DATA_REG, GPIO_PIN_MASK_LOW_8BIT(Gpio));
+      // Set the corresponding direction bit to HIGH for output
+      MmioOr8 (PL061_GPIO_DIR_REG, GPIO_PIN_MASK_HIGH_8BIT(Gpio));
+      break;
+
+    case GPIO_MODE_OUTPUT_1:
+      // Set the corresponding data bit to HIGH for 1
+      MmioOr8 (PL061_GPIO_DATA_REG, GPIO_PIN_MASK_HIGH_8BIT(Gpio));
+      // Set the corresponding direction bit to HIGH for output
+      MmioOr8 (PL061_GPIO_DIR_REG, GPIO_PIN_MASK_HIGH_8BIT(Gpio));
+      break;
+
+    default:
+      // Other modes are not supported
+      return EFI_UNSUPPORTED;
+  }
+
+EXIT:
+  return Status;
+}
+
+/**
+
+Routine Description:
+
+  Gets the mode (function) of a GPIO pin
+
+Arguments:
+
+  This  - pointer to protocol
+  Gpio  - which pin
+  Mode  - pointer to output mode value
+
+Returns:
+
+  EFI_SUCCESS           - mode value retrieved
+  EFI_INVALID_PARAMETER - Mode is a null pointer or Gpio pin is out of range
+
+**/
+EFI_STATUS
+EFIAPI
+GetMode (
+  IN  EMBEDDED_GPIO       *This,
+  IN  EMBEDDED_GPIO_PIN   Gpio,
+  OUT EMBEDDED_GPIO_MODE  *Mode
+  )
+{
+  EFI_STATUS Status;
+
+  // Check for errors
+  if (    (Mode == NULL)
+      ||  (Gpio > LAST_GPIO_PIN)) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  // Initialize the hardware if not already done
+  if (!mPL061Initialized) {
+    Status = PL061Initialize();
+    if (EFI_ERROR(Status)) {
+      return Status;
+    }
+  }
+
+  // Check if it is input or output
+  if (MmioRead8 (PL061_GPIO_DIR_REG) & GPIO_PIN_MASK_HIGH_8BIT(Gpio)) {
+    // Pin set to output
+    if (MmioRead8 (PL061_GPIO_DATA_REG) & GPIO_PIN_MASK_HIGH_8BIT(Gpio)) {
+      *Mode = GPIO_MODE_OUTPUT_1;
+    } else {
+      *Mode = GPIO_MODE_OUTPUT_0;
+    }
+  } else {
+    // Pin set to input
+    *Mode = GPIO_MODE_INPUT;
+  }
+
+  return EFI_SUCCESS;
+}
+
+/**
+
+Routine Description:
+
+  Sets the pull-up / pull-down resistor of a GPIO pin
+
+Arguments:
+
+  This  - pointer to protocol
+  Gpio  - which pin
+  Direction - pull-up, pull-down, or none
+
+Returns:
+
+  EFI_UNSUPPORTED - Can not perform the requested operation
+
+**/
+EFI_STATUS
+EFIAPI
+SetPull (
+  IN  EMBEDDED_GPIO       *This,
+  IN  EMBEDDED_GPIO_PIN   Gpio,
+  IN  EMBEDDED_GPIO_PULL  Direction
+  )
+{
+  return EFI_UNSUPPORTED;
+}
+
+/**
+ Protocol variable definition
+ **/
+EMBEDDED_GPIO gGpio = {
+  Get,
+  Set,
+  GetMode,
+  SetPull
+};
+
+/**
+  Initialize the state information for the Embedded Gpio protocol.
+
+  @param  ImageHandle   of the loaded driver
+  @param  SystemTable   Pointer to the System Table
+
+  @retval EFI_SUCCESS           Protocol registered
+  @retval EFI_OUT_OF_RESOURCES  Cannot allocate protocol data structure
+  @retval EFI_DEVICE_ERROR      Hardware problems
+
+**/
+EFI_STATUS
+EFIAPI
+PL061InstallProtocol (
+  IN EFI_HANDLE         ImageHandle,
+  IN EFI_SYSTEM_TABLE   *SystemTable
+  )
+{
+  EFI_STATUS  Status;
+  EFI_HANDLE  Handle;
+
+  //
+  // Make sure the Gpio protocol has not been installed in the system yet.
+  //
+  ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEmbeddedGpioProtocolGuid);
+
+  // Install the Embedded GPIO Protocol onto a new handle
+  Handle = NULL;
+  Status = gBS->InstallMultipleProtocolInterfaces(
+                  &Handle,
+                  &gEmbeddedGpioProtocolGuid, &gGpio,
+                  NULL
+                 );
+  if (EFI_ERROR(Status)) {
+    Status = EFI_OUT_OF_RESOURCES;
+  }
+
+  return Status;
+}