/******************************************************************************
* Copyright (c) 2011 Texas Instruments Incorporated - http://www.ti.com
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
* are met:
*
- * Redistributions of source code must retain the above copyright
+ * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
+ *
*****************************************************************************/
-
-/******************************************************************************
+
+/******************************************************************************
*
- * File Name: evmc66x_i2c_uart.h
+ * File Name: evmc66x_uart.h
*
- * Description: This contains UART specific structure, typedefs, function
- * prototypes.
+ * Description: This contains UART specific structure, typedefs, function
+ * prototypes.
*
******************************************************************************/
-#ifndef _EVM66X_I2C_UART_H_
-#define _EVM66X_I2C_UART_H_
+#ifndef _EVM66X_I2C_UART_H_
+#define _EVM66X_I2C_UART_H_
+
+#include "uart.h"
+#include <stdint.h>
+
+#define UART_REGS_BASE (0x02540000)
-/************************
- * Defines and Macros
- ************************/
-// Mask to enable DLL and DLM
-#define DLAB (0x80) // Way to swap mem banks
+/**************************************************************************
+ * Register Overlay Structure
+ **************************************************************************/
+typedef struct {
+ volatile uint32_t RBR;
+ volatile uint32_t IER;
+ volatile uint32_t IIR;
+ volatile uint32_t LCR;
+ volatile uint32_t MCR;
+ volatile uint32_t LSR;
+ volatile uint32_t MSR;
+ volatile uint32_t SCR;
+ volatile uint32_t DLL;
+ volatile uint32_t DLH;
+ volatile uint32_t REVID1;
+ volatile uint32_t REVID2;
+ volatile uint32_t PWREMU_MGMT;
+ volatile uint32_t MDR;
+} uart_registers_t;
-// for 19200 baudrate for crystal clock 14.7456 MHz
-#define DLL_VAL (0x30)
-#define DLM_VAL (0x00)
+/* Mask to enable DLL and DLM */
+#define DLAB (0x80) /* Way to swap mem banks */
-// Macros to be used for setting baudrate
-#define BAUD_RATE_9600 (0x0060)
-#define BAUD_RATE_19200 (0x0030)
-#define BAUD_RATE_56000 (0x0010)
-#define BAUD_RATE_115200 (0x0008)
+/* Baudrate table for crystal clock 14.7456 MHz*/
+#define BAUD_RATE_9600 (0x0060)
+#define BAUD_RATE_19200 (0x0030)
+#define BAUD_RATE_115200 (0x0058)
-#define hUartRegs ((CSL_UartRegs*) CSL_UART_REGS)
+#define uart_registers ((uart_registers_t*) UART_REGS_BASE)
+/* Following 2 lines are added due to CSL3.x tools limitations */
+#define THR RBR /* RBR & THR have same offset */
+#define FCR IIR /* IIR & FCR have same offset */
-/************************
- * Function declarations
-************************/
-void UartInit(void);
-void UartSetBaudRate(uint16_t uiBaudRate);
-uint16_t UartReadBaudRate(void);
-uint8_t UartReadData(void);
-void UartWriteData(uint8_t uchByte);
-Bool UartIsDataReady(void);
-#endif // _EVM66X_I2C_UART_H_
+#define UART_LSR_THRE_MASK (0x00000020u)
+#define UART_THR_DATA_MASK (0x000000FFu)
+#endif /* _EVM66X_I2C_UART_H_ */