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authorandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-01-28 21:32:01 +0000
committerandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-01-28 21:32:01 +0000
commita3f98646f68239bf9c577b24689bc69cbcde1b47 (patch)
tree5aadfc72e0170e433b621de4da245a906c8c13f6 /Omap35xxPkg/Gpio
parent759f21f1d17ce52a05eea31e9ddd1efb4ec68bbb (diff)
downloadedk2-platforms-a3f98646f68239bf9c577b24689bc69cbcde1b47.tar.xz
Moving OMAP 3530 code out of BeagleBoard package into its own package
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9854 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Omap35xxPkg/Gpio')
-rw-r--r--Omap35xxPkg/Gpio/Gpio.c135
-rw-r--r--Omap35xxPkg/Gpio/Gpio.inf45
2 files changed, 180 insertions, 0 deletions
diff --git a/Omap35xxPkg/Gpio/Gpio.c b/Omap35xxPkg/Gpio/Gpio.c
new file mode 100644
index 0000000000..7bc5478933
--- /dev/null
+++ b/Omap35xxPkg/Gpio/Gpio.c
@@ -0,0 +1,135 @@
+/** @file
+
+ Copyright (c) 2008-2009, Apple Inc. All rights reserved.
+
+ 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 <Uefi.h>
+
+#include <Library/IoLib.h>
+#include <Library/OmapLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#include <Protocol/EmbeddedGpio.h>
+
+#include <Omap3530/Omap3530.h>
+
+EFI_STATUS
+Get (
+ IN EMBEDDED_GPIO *This,
+ IN EMBEDDED_GPIO_PIN Gpio,
+ OUT UINTN *Value
+ )
+{
+ UINTN Port;
+ UINTN Pin;
+ UINT32 DataInRegister;
+
+ if (Value == NULL)
+ {
+ return EFI_UNSUPPORTED;
+ }
+
+ Port = GPIO_PORT(Gpio);
+ Pin = GPIO_PIN(Gpio);
+
+ DataInRegister = GpioBase(Port) + GPIO_DATAIN;
+
+ if (MmioRead32(DataInRegister) & GPIO_DATAIN_MASK(Pin)) {
+ *Value = 1;
+ } else {
+ *Value = 0;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+Set (
+ IN EMBEDDED_GPIO *This,
+ IN EMBEDDED_GPIO_PIN Gpio,
+ IN EMBEDDED_GPIO_MODE Mode
+ )
+{
+ UINTN Port;
+ UINTN Pin;
+ UINT32 OutputEnableRegister;
+ UINT32 SetDataOutRegister;
+ UINT32 ClearDataOutRegister;
+
+ Port = GPIO_PORT(Gpio);
+ Pin = GPIO_PIN(Gpio);
+
+ OutputEnableRegister = GpioBase(Port) + GPIO_OE;
+ SetDataOutRegister = GpioBase(Port) + GPIO_SETDATAOUT;
+ ClearDataOutRegister = GpioBase(Port) + GPIO_CLEARDATAOUT;
+
+ switch (Mode)
+ {
+ case GPIO_MODE_INPUT:
+ MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_INPUT(Pin));
+ break;
+
+ case GPIO_MODE_OUTPUT_0:
+ MmioWrite32(ClearDataOutRegister, GPIO_CLEARDATAOUT_BIT(Pin));
+ MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_OUTPUT(Pin));
+ break;
+
+ case GPIO_MODE_OUTPUT_1:
+ MmioWrite32(SetDataOutRegister, GPIO_SETDATAOUT_BIT(Pin));
+ MmioAndThenOr32(OutputEnableRegister, ~GPIO_OE_MASK(Pin), GPIO_OE_OUTPUT(Pin));
+ break;
+
+ default:
+ return EFI_UNSUPPORTED;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+GetMode (
+ IN EMBEDDED_GPIO *This,
+ IN EMBEDDED_GPIO_PIN Gpio,
+ OUT EMBEDDED_GPIO_MODE *Mode
+ )
+{
+ return EFI_UNSUPPORTED;
+}
+
+EFI_STATUS
+SetPull (
+ IN EMBEDDED_GPIO *This,
+ IN EMBEDDED_GPIO_PIN Gpio,
+ IN EMBEDDED_GPIO_PULL Direction
+ )
+{
+ return EFI_UNSUPPORTED;
+}
+
+EMBEDDED_GPIO Gpio = {
+ Get,
+ Set,
+ GetMode,
+ SetPull
+};
+
+EFI_STATUS
+GpioInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->InstallMultipleProtocolInterfaces(&ImageHandle, &gEmbeddedGpioProtocolGuid, &Gpio, NULL);
+ return Status;
+}
diff --git a/Omap35xxPkg/Gpio/Gpio.inf b/Omap35xxPkg/Gpio/Gpio.inf
new file mode 100644
index 0000000000..422ed1a67c
--- /dev/null
+++ b/Omap35xxPkg/Gpio/Gpio.inf
@@ -0,0 +1,45 @@
+#/** @file
+#
+# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.
+# 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.
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = Gpio
+ FILE_GUID = E7D9CAE1-6930-46E3-BDF9-0027446E7DF2
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+
+ ENTRY_POINT = GpioInitialize
+
+
+[Sources.common]
+ Gpio.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+ Omap35xxPkg/Omap35xxPkg.dec
+
+[LibraryClasses]
+ IoLib
+ UefiDriverEntryPoint
+ OmapLib
+
+[Guids]
+
+[Protocols]
+ gEmbeddedGpioProtocolGuid
+
+[Pcd]
+
+[depex]
+ TRUE \ No newline at end of file