diff options
Diffstat (limited to 'include/asm-microblaze/arch-microblaze/xuartlite_l.h')
| -rw-r--r-- | include/asm-microblaze/arch-microblaze/xuartlite_l.h | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/include/asm-microblaze/arch-microblaze/xuartlite_l.h b/include/asm-microblaze/arch-microblaze/xuartlite_l.h deleted file mode 100644 index b381a0d..0000000 --- a/include/asm-microblaze/arch-microblaze/xuartlite_l.h +++ /dev/null @@ -1,256 +0,0 @@ -/***************************************************************************** -* -* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" -* AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND -* SOLUTIONS FOR XILINX DEVICES. BY PROVIDING THIS DESIGN, CODE, -* OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, -* APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION -* THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT, -* AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE -* FOR YOUR IMPLEMENTATION. XILINX EXPRESSLY DISCLAIMS ANY -* WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE -* IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR -* REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF -* INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -* FOR A PARTICULAR PURPOSE. -* -* (c) Copyright 2002 Xilinx Inc. -* All rights reserved. -* -*****************************************************************************/ -/****************************************************************************/ -/** -* -* @file xuartlite_l.h -* -* This header file contains identifiers and low-level driver functions (or -* macros) that can be used to access the device. High-level driver functions -* are defined in xuartlite.h. -* -* <pre> -* MODIFICATION HISTORY: -* -* Ver Who Date Changes -* ----- ---- -------- ----------------------------------------------- -* 1.00b rpm 04/25/02 First release -* </pre> -* -*****************************************************************************/ - -#ifndef XUARTLITE_L_H /* prevent circular inclusions */ -#define XUARTLITE_L_H /* by using protection macros */ - -/***************************** Include Files ********************************/ - -#include "xbasic_types.h" -#include "xio.h" - -/************************** Constant Definitions ****************************/ - -/* UART Lite register offsets */ - -#define XUL_RX_FIFO_OFFSET 0 /* receive FIFO, read only */ -#define XUL_TX_FIFO_OFFSET 4 /* transmit FIFO, write only */ -#define XUL_STATUS_REG_OFFSET 8 /* status register, read only */ -#define XUL_CONTROL_REG_OFFSET 12 /* control register, write only */ - -/* control register bit positions */ - -#define XUL_CR_ENABLE_INTR 0x10 /* enable interrupt */ -#define XUL_CR_FIFO_RX_RESET 0x02 /* reset receive FIFO */ -#define XUL_CR_FIFO_TX_RESET 0x01 /* reset transmit FIFO */ - -/* status register bit positions */ - -#define XUL_SR_PARITY_ERROR 0x80 -#define XUL_SR_FRAMING_ERROR 0x40 -#define XUL_SR_OVERRUN_ERROR 0x20 -#define XUL_SR_INTR_ENABLED 0x10 /* interrupt enabled */ -#define XUL_SR_TX_FIFO_FULL 0x08 /* transmit FIFO full */ -#define XUL_SR_TX_FIFO_EMPTY 0x04 /* transmit FIFO empty */ -#define XUL_SR_RX_FIFO_FULL 0x02 /* receive FIFO full */ -#define XUL_SR_RX_FIFO_VALID_DATA 0x01 /* data in receive FIFO */ - -/* the following constant specifies the size of the FIFOs, the size of the - * FIFOs includes the transmitter and receiver such that it is the total number - * of bytes that the UART can buffer - */ -#define XUL_FIFO_SIZE 16 - -/* Stop bits are fixed at 1. Baud, parity, and data bits are fixed on a - * per instance basis - */ -#define XUL_STOP_BITS 1 - -/* Parity definitions - */ -#define XUL_PARITY_NONE 0 -#define XUL_PARITY_ODD 1 -#define XUL_PARITY_EVEN 2 - -/**************************** Type Definitions ******************************/ - -/***************** Macros (Inline Functions) Definitions ********************/ - -/***************************************************************************** -* -* Low-level driver macros and functions. The list below provides signatures -* to help the user use the macros. -* -* void XUartLite_mSetControlReg(u32 BaseAddress, u32 Mask) -* u32 XUartLite_mGetControlReg(u32 BaseAddress) -* u32 XUartLite_mGetStatusReg(u32 BaseAddress) -* -* Xboolean XUartLite_mIsReceiveEmpty(u32 BaseAddress) -* Xboolean XUartLite_mIsTransmitFull(u32 BaseAddress) -* Xboolean XUartLite_mIsIntrEnabled(u32 BaseAddress) -* -* void XUartLite_mEnableIntr(u32 BaseAddress) -* void XUartLite_mDisableIntr(u32 BaseAddress) -* -* void XUartLite_SendByte(u32 BaseAddress, u8 Data); -* u8 XUartLite_RecvByte(u32 BaseAddress); -* -*****************************************************************************/ - -/****************************************************************************/ -/** -* -* Set the contents of the control register. Use the XUL_CR_* constants defined -* above to create the bit-mask to be written to the register. -* -* @param BaseAddress is the base address of the device -* @param Mask is the 32-bit value to write to the control register -* -* @return None. -* -* @note None. -* -*****************************************************************************/ -#define XUartLite_mSetControlReg(BaseAddress, Mask) \ - XIo_Out32((BaseAddress) + XUL_CONTROL_REG_OFFSET, (Mask)) - - -/****************************************************************************/ -/** -* -* Get the contents of the control register. Use the XUL_CR_* constants defined -* above to interpret the bit-mask returned. -* -* @param BaseAddress is the base address of the device -* -* @return A 32-bit value representing the contents of the control register. -* -* @note None. -* -*****************************************************************************/ -#define XUartLite_mGetControlReg(BaseAddress) \ - XIo_In32((BaseAddress) + XUL_CONTROL_REG_OFFSET) - - -/****************************************************************************/ -/** -* -* Get the contents of the status register. Use the XUL_SR_* constants defined -* above to interpret the bit-mask returned. -* -* @param BaseAddress is the base address of the device -* -* @return A 32-bit value representing the contents of the status register. -* -* @note None. -* -*****************************************************************************/ -#define XUartLite_mGetStatusReg(BaseAddress) \ - XIo_In32((BaseAddress) + XUL_STATUS_REG_OFFSET) - - -/****************************************************************************/ -/** -* -* Check to see if the receiver has data. -* -* @param BaseAddress is the base address of the device -* -* @return XTRUE if the receiver is empty, XFALSE if there is data present. -* -* @note None. -* -*****************************************************************************/ -#define XUartLite_mIsReceiveEmpty(BaseAddress) \ - (!(XUartLite_mGetStatusReg((BaseAddress)) & XUL_SR_RX_FIFO_VALID_DATA)) - - -/****************************************************************************/ -/** -* -* Check to see if the transmitter is full. -* -* @param BaseAddress is the base address of the device -* -* @return XTRUE if the transmitter is full, XFALSE otherwise. -* -* @note None. -* -*****************************************************************************/ -#define XUartLite_mIsTransmitFull(BaseAddress) \ - (XUartLite_mGetStatusReg((BaseAddress)) & XUL_SR_TX_FIFO_FULL) - - -/****************************************************************************/ -/** -* -* Check to see if the interrupt is enabled. -* -* @param BaseAddress is the base address of the device -* -* @return XTRUE if the interrupt is enabled, XFALSE otherwise. -* -* @note None. -* -*****************************************************************************/ -#define XUartLite_mIsIntrEnabled(BaseAddress) \ - (XUartLite_mGetStatusReg((BaseAddress)) & XUL_SR_INTR_ENABLED) - - -/****************************************************************************/ -/** -* -* Enable the device interrupt. Preserve the contents of the control register. -* -* @param BaseAddress is the base address of the device -* -* @return None. -* -* @note None. -* -*****************************************************************************/ -#define XUartLite_mEnableIntr(BaseAddress) \ - XUartLite_mSetControlReg((BaseAddress), \ - XUartLite_mGetControlReg((BaseAddress)) | XUL_CR_ENABLE_INTR) - - -/****************************************************************************/ -/** -* -* Disable the device interrupt. Preserve the contents of the control register. -* -* @param BaseAddress is the base address of the device -* -* @return None. -* -* @note None. -* -*****************************************************************************/ -#define XUartLite_mDisableIntr(BaseAddress) \ - XUartLite_mSetControlReg((BaseAddress), \ - XUartLite_mGetControlReg((BaseAddress)) & ~XUL_CR_ENABLE_INTR) - - -/************************** Function Prototypes *****************************/ - -void XUartLite_SendByte(u32 BaseAddress, u8 Data); -u8 XUartLite_RecvByte(u32 BaseAddress); - - -#endif /* end of protection macro */ |