diff options
Diffstat (limited to 'SamsungPlatformPkgOrigen/ExynosPkg/Library/SerialPortLib/SerialPortLib.c')
| -rw-r--r-- | SamsungPlatformPkgOrigen/ExynosPkg/Library/SerialPortLib/SerialPortLib.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/SamsungPlatformPkgOrigen/ExynosPkg/Library/SerialPortLib/SerialPortLib.c b/SamsungPlatformPkgOrigen/ExynosPkg/Library/SerialPortLib/SerialPortLib.c deleted file mode 100644 index 548330e61..000000000 --- a/SamsungPlatformPkgOrigen/ExynosPkg/Library/SerialPortLib/SerialPortLib.c +++ /dev/null @@ -1,150 +0,0 @@ -/** @file - Serial I/O Port library functions with no library constructor/destructor - - - Copyright (c) 2011, Samsung Electronics Co. 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 <Include/Uefi.h> -#include <Library/SerialPortLib.h> -#include <Library/SerialPortExtLib.h> -#include <Library/PcdLib.h> -#include <Library/IoLib.h> -#include <Platform/ArmPlatform.h> - -/* - - Programmed hardware of Serial port. - Irrespective of the previous settings Initialize it to current requirement -**/ -RETURN_STATUS -EFIAPI -SerialPortInitialize ( - VOID - ) -{ -#if 0 - UINT32 UARTConsoleBase; - UINT32 SmdkCmuBase; - - UARTConsoleBase=PcdGet32(PcdConsoleUartBase); - SmdkCmuBase=PcdGet32(PcdCmuBase); - - MmioWrite32 (SmdkCmuBase + CLK_SRC_PERIL0_OFFSET, CLK_SRC_PERIL0_VAL); - MmioWrite32 (SmdkCmuBase + CLK_DIV_PERIL0_OFFSET, CLK_DIV_PERIL0_VAL); - - if (PL011_CONSOLE_UART_SPEED == 115200) { - // Initialize baud rate generator - MmioWrite32 (UARTConsoleBase + UARTIBRD, UART_115200_IDIV); - MmioWrite32 (UARTConsoleBase + UARTFBRD, UART_115200_FDIV); - } else if (PL011_CONSOLE_UART_SPEED == 38400) { - // Initialize baud rate generator - MmioWrite32 (UARTConsoleBase + UARTIBRD, UART_38400_IDIV); - MmioWrite32 (UARTConsoleBase + UARTFBRD, UART_38400_FDIV); - } else if (PL011_CONSOLE_UART_SPEED == 19200) { - // Initialize baud rate generator - MmioWrite32 (UARTConsoleBase + UARTIBRD, UART_19200_IDIV); - MmioWrite32 (UARTConsoleBase + UARTFBRD, UART_19200_FDIV); - } else { - return EFI_INVALID_PARAMETER; - } - - // No parity, 1 stop, no fifo, 8 data bits - MmioWrite32 (UARTConsoleBase + UARTLCR_H, UART_LCON_VAL); - - // configure FIFO contrl regs - MmioWrite32 (UARTConsoleBase + UARTECR, UART_ECR_VAL); - - // enable tx, rx, and uart overall - MmioWrite32 (UARTConsoleBase + UARTCR, UART_CR_VAL); -#endif - return EFI_SUCCESS; -} - -/** - Write data to serial device. - - @param Buffer Point of data buffer which need to be writed. - @param NumberOfBytes Number of output bytes which are cached in Buffer. - - @retval 0 Write data failed. - @retval !0 Actual number of bytes writed to serial device. - -**/ -UINTN -EFIAPI -SerialPortWrite ( - IN UINT8 *Buffer, - IN UINTN NumberOfBytes -) -{ - UINTN Count; - UINT32 UARTConsoleBase; - - UARTConsoleBase=PcdGet32(PcdConsoleUartBase); - for (Count = 0; Count < NumberOfBytes; Count++, Buffer++) { - while ((MmioRead32 (UARTConsoleBase + UTRSTAT_OFFSET) & UART_TX_EMPTY_FLAG_MASK) == 0); - MmioWrite8 (UARTConsoleBase + UTXH_OFFSET, *Buffer); - } - - return NumberOfBytes; -} - -/** - Read data from serial device and save the datas in buffer. - - @param Buffer Point of data buffer which need to be writed. - @param NumberOfBytes Number of output bytes which are cached in Buffer. - - @retval 0 Read data failed. - @retval !0 Aactual number of bytes read from serial device. - -**/ -UINTN -EFIAPI -SerialPortRead ( - OUT UINT8 *Buffer, - IN UINTN NumberOfBytes -) -{ - UINTN Count; - UINT32 UARTConsoleBase; - - UARTConsoleBase=PcdGet32(PcdConsoleUartBase); - for (Count = 0; Count < NumberOfBytes; Count++, Buffer++) { - while ((MmioRead32 (UARTConsoleBase + UTRSTAT_OFFSET) & UART_RX_EMPTY_FLAG_MASK) == 0); - *Buffer = MmioRead8 (UARTConsoleBase + URXH_OFFSET); - } - - return NumberOfBytes; -} - -/** - Check to see if any data is avaiable to be read from the debug device. - - @retval EFI_SUCCESS At least one byte of data is avaiable to be read - @retval EFI_NOT_READY No data is avaiable to be read - @retval EFI_DEVICE_ERROR The serial device is not functioning properly - -**/ -BOOLEAN -EFIAPI -SerialPortPoll ( - VOID - ) -{ - UINT32 UARTConsoleBase; - UARTConsoleBase=PcdGet32(PcdConsoleUartBase); - - return ((MmioRead32 (UARTConsoleBase + UTRSTAT_OFFSET) & UART_RX_EMPTY_FLAG_MASK) != 0); -} - |