uartSample example does not work when using uart1 instead of uart2

/*
 * uart_evmInit.c
 *
 * This file contains UART application related EVM (platform) specific routines
 * implementation. 
 * This is part of the EVM Initialization library (evmInit) which contains pinmux
 * enabling routines for peripherals used by the application, and may contain 
 * related device pre-driver initialization routines.
 *
 * Copyright (C) 2009 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
 *  are met:
 *
 *    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
 *    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
 *  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
 *  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
 *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
*/

/**
 *  \file   uart_evmInit.c
 *
 *  \brief  This file contains the board specific code for enabling the use of
 *          uart driver.
 *
 *  (C) Copyright 2009, Texas Instruments, Inc
 *
 */

#include <xdc/std.h>
#include <xdc/runtime/Log.h>
#include <ti/sysbios/io/iom.h>
#include <ti/sysbios/family/c64p/EventCombiner.h>

#include <platforms/evm6748/Uart_evmInit.h>
#include <cslr/cslr_syscfg0_C6748.h>
#include <cslr/soc_C6748.h>

#define PINMUX3_UART1_ENABLE_PINMUX0       0x00440000u
#define PINMUX3_UART1_ENABLE_PINMUX4       0x22000000u

#ifdef KICK_REG_ENABLE  

/* Address of the KICK0 and KICK1 register                                    */
#define KICK0                   (*((volatile Uint32 *)(0x01C14038u)))
#define KICK1                   (*((volatile Uint32 *)(0x01C1403Cu)))

/* Unlock/Lock code for KICK0 and KICK1 register                              */
#define KICK0_UNLOCK_CODE       0x83E70B13u
#define KICK1_UNLOCK_CODE       0x95A4F1E0u
#endif

void configureUart(void)
{
    CSL_SyscfgRegsOvly syscfgRegs = (CSL_SyscfgRegsOvly)CSL_SYSCFG_0_REGS;    
    Uint32 savePinmux0 = 0;
    Uint32 savePinmux4 = 0;
    
#ifdef KICK_REG_ENABLE      
    /* Unlock BOOTCFG module before pinmux configuration                      */
    KICK0 = KICK0_UNLOCK_CODE;
    KICK1 = KICK1_UNLOCK_CODE;
#endif

    /* enable the pinmux registers for Uart                                   */
    savePinmux0 = (syscfgRegs->PINMUX0 &
                  ~(CSL_SYSCFG_PINMUX0_PINMUX0_23_20_MASK |
                	CSL_SYSCFG_PINMUX0_PINMUX0_19_16_MASK));
    syscfgRegs->PINMUX0 = (PINMUX3_UART1_ENABLE_PINMUX0 | savePinmux0);
    
    savePinmux4 = (syscfgRegs->PINMUX4 &
                  ~(CSL_SYSCFG_PINMUX4_PINMUX4_31_28_MASK |
                	CSL_SYSCFG_PINMUX4_PINMUX4_27_24_MASK));
    syscfgRegs->PINMUX4 = (PINMUX3_UART1_ENABLE_PINMUX4 | savePinmux4);
}