/************************************************************************************
* arch/arm/src/tiva/tiva_enableclks.h
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX 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.
*
************************************************************************************/
#ifndef __ARCH_ARM_SRC_TIVA_TIVA_ENABLECLKS_H
#define __ARCH_ARM_SRC_TIVA_TIVA_ENABLECLKS_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "up_arch.h"
#include "chip.h"
#include "chip/tiva_syscontrol.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Clocks are enabled or disabled by setting or clearing a bit (b) in a system
* control register (a))
*/
#define tiva_enableclk(a,b) modifyreg32((a),0,(b))
#define tiva_disableclk(a,b) modifyreg32((a),(b),0)
/* GPIO clocking */
#ifdef TIVA_SYSCON_RCGCGPIO
# define tiva_gpio_enableclk(p) tiva_enableclk(TIVA_SYSCON_RCGCGPIO,SYSCON_RCGCGPIO(p))
# define tiva_gpio_disableclk(p) tiva_disableclk(TIVA_SYSCON_RCGCGPIO,SYSCON_RCGCGPIO(p))
#else
# define tiva_gpio_enableclk(p) tiva_enableclk(TIVA_SYSCON_RCGC2,SYSCON_RCGC2_GPIO(p))
# define tiva_gpio_disableclk(p) tiva_disableclk(TIVA_SYSCON_RCGC2,SYSCON_RCGC2_GPIO(p))
#endif
/* UART clocking */
#ifdef TIVA_SYSCON_RCGCUART
# define tiva_uart_enableclk(p) tiva_enableclk(TIVA_SYSCON_RCGCUART,SYSCON_RCGCUART(p))
# define tiva_uart_disableclk(p) tiva_disableclk(TIVA_SYSCON_RCGCUART,SYSCON_RCGCUART(p))
# define tiva_uart0_enableclk() tiva_uart_enableclk(0)
# define tiva_uart1_enableclk() tiva_uart_enableclk(1)
# define tiva_uart2_enableclk() tiva_uart_enableclk(2)
# define tiva_uart3_enableclk() tiva_uart_enableclk(3)
# define tiva_uart4_enableclk() tiva_uart_enableclk(4)
# define tiva_uart5_enableclk() tiva_uart_enableclk(5)
# define tiva_uart6_enableclk() tiva_uart_enableclk(6)
# define tiva_uart7_enableclk() tiva_uart_enableclk(7)
# define tiva_uart0_disableclk() tiva_uart_disableclk(0)
# define tiva_uart1_disableclk() tiva_uart_disableclk(1)
# define tiva_uart2_disableclk() tiva_uart_disableclk(2)
# define tiva_uart3_disableclk() tiva_uart_disableclk(3)
# define tiva_uart4_disableclk() tiva_uart_disableclk(4)
# define tiva_uart5_disableclk() tiva_uart_disableclk(5)
# define tiva_uart6_disableclk() tiva_uart_disableclk(6)
# define tiva_uart7_disableclk() tiva_uart_disableclk(7)
#else
# define tiva_uart0_enableclk() tiva_enableclk(TIVA_SYSCON_RCGC1,SYSCON_RCGC1_UART0)
# define tiva_uart1_enableclk() tiva_enableclk(TIVA_SYSCON_RCGC1,SYSCON_RCGC1_UART1)
# define tiva_uart2_enableclk() tiva_enableclk(TIVA_SYSCON_RCGC1,SYSCON_RCGC1_UART2)
# define tiva_uart0_disableclk() tiva_disableclk(TIVA_SYSCON_RCGC1,SYSCON_RCGC1_UART0)
# define tiva_uart1_disableclk() tiva_disableclk(TIVA_SYSCON_RCGC1,SYSCON_RCGC1_UART1)
# define tiva_uart2_disableclk() tiva_disableclk(TIVA_SYSCON_RCGC1,SYSCON_RCGC1_UART2)
#endif
#endif /* __ARCH_ARM_SRC_TIVA_TIVA_ENABLECLKS_H */
