+++ /dev/null
-/** @file\r
- I/O Library for ARM.\r
-\r
- Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
- Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
- Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>\r
-\r
- SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-\r
-//\r
-// Include common header file for this module.\r
-//\r
-#include "BaseIoLibIntrinsicInternal.h"\r
-\r
-/**\r
- Reads an 8-bit I/O port.\r
-\r
- Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.\r
- This function must guarantee that all I/O read and write operations are\r
- serialized.\r
-\r
- If 8-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to read.\r
-\r
- @return The value read.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-IoRead8 (\r
- IN UINTN Port\r
- )\r
-{\r
- ASSERT (FALSE);\r
- return 0;\r
-}\r
-\r
-/**\r
- Writes an 8-bit I/O port.\r
-\r
- Writes the 8-bit I/O port specified by Port with the value specified by Value\r
- and returns Value. This function must guarantee that all I/O read and write\r
- operations are serialized.\r
-\r
- If 8-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to write.\r
- @param Value The value to write to the I/O port.\r
-\r
- @return The value written the I/O port.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-IoWrite8 (\r
- IN UINTN Port,\r
- IN UINT8 Value\r
- )\r
-{\r
- ASSERT (FALSE);\r
- return Value;\r
-}\r
-\r
-/**\r
- Reads a 16-bit I/O port.\r
-\r
- Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned.\r
- This function must guarantee that all I/O read and write operations are\r
- serialized.\r
-\r
- If 16-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to read.\r
-\r
- @return The value read.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-IoRead16 (\r
- IN UINTN Port\r
- )\r
-{\r
- ASSERT (FALSE);\r
- return 0;\r
-}\r
-\r
-/**\r
- Writes a 16-bit I/O port.\r
-\r
- Writes the 16-bit I/O port specified by Port with the value specified by Value\r
- and returns Value. This function must guarantee that all I/O read and write\r
- operations are serialized.\r
-\r
- If 16-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to write.\r
- @param Value The value to write to the I/O port.\r
-\r
- @return The value written the I/O port.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-IoWrite16 (\r
- IN UINTN Port,\r
- IN UINT16 Value\r
- )\r
-{\r
- ASSERT (FALSE);\r
- return Value;\r
-}\r
-\r
-/**\r
- Reads a 32-bit I/O port.\r
-\r
- Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned.\r
- This function must guarantee that all I/O read and write operations are\r
- serialized.\r
-\r
- If 32-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to read.\r
-\r
- @return The value read.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-IoRead32 (\r
- IN UINTN Port\r
- )\r
-{\r
- ASSERT (FALSE);\r
- return 0;\r
-}\r
-\r
-/**\r
- Writes a 32-bit I/O port.\r
-\r
- Writes the 32-bit I/O port specified by Port with the value specified by Value\r
- and returns Value. This function must guarantee that all I/O read and write\r
- operations are serialized.\r
-\r
- If 32-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to write.\r
- @param Value The value to write to the I/O port.\r
-\r
- @return The value written the I/O port.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-IoWrite32 (\r
- IN UINTN Port,\r
- IN UINT32 Value\r
- )\r
-{\r
- ASSERT (FALSE);\r
- return Value;\r
-}\r
-\r
-/**\r
- Reads a 64-bit I/O port.\r
-\r
- Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned.\r
- This function must guarantee that all I/O read and write operations are\r
- serialized.\r
-\r
- If 64-bit I/O port operations are not supported, then ASSERT().\r
- If Port is not aligned on a 64-bit boundary, then ASSERT().\r
-\r
- @param Port The I/O port to read.\r
-\r
- @return The value read.\r
-\r
-**/\r
-UINT64\r
-EFIAPI\r
-IoRead64 (\r
- IN UINTN Port\r
- )\r
-{\r
- ASSERT (FALSE);\r
- return 0;\r
-}\r
-\r
-/**\r
- Writes a 64-bit I/O port.\r
-\r
- Writes the 64-bit I/O port specified by Port with the value specified by Value\r
- and returns Value. This function must guarantee that all I/O read and write\r
- operations are serialized.\r
-\r
- If 64-bit I/O port operations are not supported, then ASSERT().\r
- If Port is not aligned on a 64-bit boundary, then ASSERT().\r
-\r
- @param Port The I/O port to write.\r
- @param Value The value to write to the I/O port.\r
-\r
- @return The value written to the I/O port.\r
-\r
-**/\r
-UINT64\r
-EFIAPI\r
-IoWrite64 (\r
- IN UINTN Port,\r
- IN UINT64 Value\r
- )\r
-{\r
- ASSERT (FALSE);\r
- return 0;\r
-}\r
-\r
-/**\r
- Reads an 8-bit I/O port fifo into a block of memory.\r
-\r
- Reads the 8-bit I/O fifo port specified by Port.\r
- The port is read Count times, and the read data is\r
- stored in the provided Buffer.\r
-\r
- This function must guarantee that all I/O read and write operations are\r
- serialized.\r
-\r
- If 8-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to read.\r
- @param Count The number of times to read I/O port.\r
- @param Buffer The buffer to store the read data into.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-IoReadFifo8 (\r
- IN UINTN Port,\r
- IN UINTN Count,\r
- OUT VOID *Buffer\r
- )\r
-{\r
- ASSERT (FALSE);\r
-}\r
-\r
-/**\r
- Writes a block of memory into an 8-bit I/O port fifo.\r
-\r
- Writes the 8-bit I/O fifo port specified by Port.\r
- The port is written Count times, and the write data is\r
- retrieved from the provided Buffer.\r
-\r
- This function must guarantee that all I/O write and write operations are\r
- serialized.\r
-\r
- If 8-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to write.\r
- @param Count The number of times to write I/O port.\r
- @param Buffer The buffer to retrieve the write data from.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-IoWriteFifo8 (\r
- IN UINTN Port,\r
- IN UINTN Count,\r
- IN VOID *Buffer\r
- )\r
-{\r
- ASSERT (FALSE);\r
-}\r
-\r
-/**\r
- Reads a 16-bit I/O port fifo into a block of memory.\r
-\r
- Reads the 16-bit I/O fifo port specified by Port.\r
- The port is read Count times, and the read data is\r
- stored in the provided Buffer.\r
-\r
- This function must guarantee that all I/O read and write operations are\r
- serialized.\r
-\r
- If 16-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to read.\r
- @param Count The number of times to read I/O port.\r
- @param Buffer The buffer to store the read data into.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-IoReadFifo16 (\r
- IN UINTN Port,\r
- IN UINTN Count,\r
- OUT VOID *Buffer\r
- )\r
-{\r
- ASSERT (FALSE);\r
-}\r
-\r
-/**\r
- Writes a block of memory into a 16-bit I/O port fifo.\r
-\r
- Writes the 16-bit I/O fifo port specified by Port.\r
- The port is written Count times, and the write data is\r
- retrieved from the provided Buffer.\r
-\r
- This function must guarantee that all I/O write and write operations are\r
- serialized.\r
-\r
- If 16-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to write.\r
- @param Count The number of times to write I/O port.\r
- @param Buffer The buffer to retrieve the write data from.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-IoWriteFifo16 (\r
- IN UINTN Port,\r
- IN UINTN Count,\r
- IN VOID *Buffer\r
- )\r
-{\r
- ASSERT (FALSE);\r
-}\r
-\r
-/**\r
- Reads a 32-bit I/O port fifo into a block of memory.\r
-\r
- Reads the 32-bit I/O fifo port specified by Port.\r
- The port is read Count times, and the read data is\r
- stored in the provided Buffer.\r
-\r
- This function must guarantee that all I/O read and write operations are\r
- serialized.\r
-\r
- If 32-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to read.\r
- @param Count The number of times to read I/O port.\r
- @param Buffer The buffer to store the read data into.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-IoReadFifo32 (\r
- IN UINTN Port,\r
- IN UINTN Count,\r
- OUT VOID *Buffer\r
- )\r
-{\r
- ASSERT (FALSE);\r
-}\r
-\r
-/**\r
- Writes a block of memory into a 32-bit I/O port fifo.\r
-\r
- Writes the 32-bit I/O fifo port specified by Port.\r
- The port is written Count times, and the write data is\r
- retrieved from the provided Buffer.\r
-\r
- This function must guarantee that all I/O write and write operations are\r
- serialized.\r
-\r
- If 32-bit I/O port operations are not supported, then ASSERT().\r
-\r
- @param Port The I/O port to write.\r
- @param Count The number of times to write I/O port.\r
- @param Buffer The buffer to retrieve the write data from.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-IoWriteFifo32 (\r
- IN UINTN Port,\r
- IN UINTN Count,\r
- IN VOID *Buffer\r
- )\r
-{\r
- ASSERT (FALSE);\r
-}\r
-\r
-/**\r
- Reads an 8-bit MMIO register.\r
-\r
- Reads the 8-bit MMIO register specified by Address. The 8-bit read value is\r
- returned. This function must guarantee that all MMIO read and write\r
- operations are serialized.\r
-\r
- If 8-bit MMIO register operations are not supported, then ASSERT().\r
-\r
- @param Address The MMIO register to read.\r
-\r
- @return The value read.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-MmioRead8 (\r
- IN UINTN Address\r
- )\r
-{\r
- UINT8 Value;\r
-\r
- Value = *(volatile UINT8*)Address;\r
- return Value;\r
-}\r
-\r
-/**\r
- Writes an 8-bit MMIO register.\r
-\r
- Writes the 8-bit MMIO register specified by Address with the value specified\r
- by Value and returns Value. This function must guarantee that all MMIO read\r
- and write operations are serialized.\r
-\r
- If 8-bit MMIO register operations are not supported, then ASSERT().\r
-\r
- @param Address The MMIO register to write.\r
- @param Value The value to write to the MMIO register.\r
-\r
-**/\r
-UINT8\r
-EFIAPI\r
-MmioWrite8 (\r
- IN UINTN Address,\r
- IN UINT8 Value\r
- )\r
-{\r
- *(volatile UINT8*)Address = Value;\r
- return Value;\r
-}\r
-\r
-/**\r
- Reads a 16-bit MMIO register.\r
-\r
- Reads the 16-bit MMIO register specified by Address. The 16-bit read value is\r
- returned. This function must guarantee that all MMIO read and write\r
- operations are serialized.\r
-\r
- If 16-bit MMIO register operations are not supported, then ASSERT().\r
-\r
- @param Address The MMIO register to read.\r
-\r
- @return The value read.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-MmioRead16 (\r
- IN UINTN Address\r
- )\r
-{\r
- UINT16 Value;\r
-\r
- ASSERT ((Address & 1) == 0);\r
- Value = *(volatile UINT16*)Address;\r
- return Value;\r
-}\r
-\r
-/**\r
- Writes a 16-bit MMIO register.\r
-\r
- Writes the 16-bit MMIO register specified by Address with the value specified\r
- by Value and returns Value. This function must guarantee that all MMIO read\r
- and write operations are serialized.\r
-\r
- If 16-bit MMIO register operations are not supported, then ASSERT().\r
-\r
- @param Address The MMIO register to write.\r
- @param Value The value to write to the MMIO register.\r
-\r
-**/\r
-UINT16\r
-EFIAPI\r
-MmioWrite16 (\r
- IN UINTN Address,\r
- IN UINT16 Value\r
- )\r
-{\r
- ASSERT ((Address & 1) == 0);\r
- *(volatile UINT16*)Address = Value;\r
- return Value;\r
-}\r
-\r
-/**\r
- Reads a 32-bit MMIO register.\r
-\r
- Reads the 32-bit MMIO register specified by Address. The 32-bit read value is\r
- returned. This function must guarantee that all MMIO read and write\r
- operations are serialized.\r
-\r
- If 32-bit MMIO register operations are not supported, then ASSERT().\r
-\r
- @param Address The MMIO register to read.\r
-\r
- @return The value read.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-MmioRead32 (\r
- IN UINTN Address\r
- )\r
-{\r
- UINT32 Value;\r
-\r
- ASSERT ((Address & 3) == 0);\r
- Value = *(volatile UINT32*)Address;\r
- return Value;\r
-}\r
-\r
-/**\r
- Writes a 32-bit MMIO register.\r
-\r
- Writes the 32-bit MMIO register specified by Address with the value specified\r
- by Value and returns Value. This function must guarantee that all MMIO read\r
- and write operations are serialized.\r
-\r
- If 32-bit MMIO register operations are not supported, then ASSERT().\r
-\r
- @param Address The MMIO register to write.\r
- @param Value The value to write to the MMIO register.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-MmioWrite32 (\r
- IN UINTN Address,\r
- IN UINT32 Value\r
- )\r
-{\r
- ASSERT ((Address & 3) == 0);\r
- *(volatile UINT32*)Address = Value;\r
- return Value;\r
-}\r
-\r
-/**\r
- Reads a 64-bit MMIO register.\r
-\r
- Reads the 64-bit MMIO register specified by Address. The 64-bit read value is\r
- returned. This function must guarantee that all MMIO read and write\r
- operations are serialized.\r
-\r
- If 64-bit MMIO register operations are not supported, then ASSERT().\r
-\r
- @param Address The MMIO register to read.\r
-\r
- @return The value read.\r
-\r
-**/\r
-UINT64\r
-EFIAPI\r
-MmioRead64 (\r
- IN UINTN Address\r
- )\r
-{\r
- UINT64 Value;\r
-\r
- ASSERT ((Address & 7) == 0);\r
- Value = *(volatile UINT64*)Address;\r
- return Value;\r
-}\r
-\r
-/**\r
- Writes a 64-bit MMIO register.\r
-\r
- Writes the 64-bit MMIO register specified by Address with the value specified\r
- by Value and returns Value. This function must guarantee that all MMIO read\r
- and write operations are serialized.\r
-\r
- If 64-bit MMIO register operations are not supported, then ASSERT().\r
-\r
- @param Address The MMIO register to write.\r
- @param Value The value to write to the MMIO register.\r
-\r
-**/\r
-UINT64\r
-EFIAPI\r
-MmioWrite64 (\r
- IN UINTN Address,\r
- IN UINT64 Value\r
- )\r
-{\r
- ASSERT ((Address & 7) == 0);\r
- *(volatile UINT64*)Address = Value;\r
- return Value;\r
-}\r
-\r
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