f3437783a5
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2108 42af7a65-404d-4744-a932-0658087f49c3
125 lines
4.8 KiB
C
Executable File
125 lines
4.8 KiB
C
Executable File
/************************************************************************************
|
|
* configs/stm3210e-eval/include/board.h
|
|
* include/arch/board/board.h
|
|
*
|
|
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
*
|
|
* 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_BOARD_BOARD_H
|
|
#define __ARCH_BOARD_BOARD_H
|
|
|
|
/************************************************************************************
|
|
* Included Files
|
|
************************************************************************************/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
# include <sys/types.h>
|
|
#endif
|
|
#include "stm32_rcc.h"
|
|
#include "stm32_internal.h"
|
|
|
|
/************************************************************************************
|
|
* Definitions
|
|
************************************************************************************/
|
|
|
|
/* Clocking *************************************************************************/
|
|
|
|
/* On-board crystal frequency is 8MHz (HSE) */
|
|
|
|
#define STM32_BOARD_XTAL 8000000ul
|
|
|
|
/* PLL source is HSE/1, PLL multipler is 9: PLL frequency is 8MHz (XTAL) x 9 = 72MHz */
|
|
|
|
#define STM32_CFGR_PLLSRC RCC_CFGR_PLLSRC
|
|
#define STM32_CFGR_PLLXTPRE 0
|
|
#define STM32_CFGR_PLLMUL RCC_CFGR_PLLMUL_CLKx9
|
|
#define STM32_PLL_FREQUENCY (9*STM32_BOARD_XTAL)
|
|
|
|
/* Use the PLL and set the SYSCLK source to be the PLL */
|
|
|
|
#define STM32_SYSCLK_SW RCC_CFGR_SW_PLL
|
|
#define STM32_SYSCLK_SWS RCC_CFGR_SWS_PLL
|
|
#define STM32_SYSCLK_FREQUENCY STM32_PLL_FREQUENCY
|
|
|
|
/* AHB clock (HCLK) is SYSCLK (72MHz) */
|
|
|
|
#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK
|
|
#define STM32_HCLK_FREQUENCY STM32_PLL_FREQUENCY
|
|
|
|
/* APB2 clock (PCLK2) is HCLK (72MHz) */
|
|
|
|
#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK
|
|
#define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY
|
|
|
|
/* APB1 clock (PCLK1) is HCLK/2 (36MHz) */
|
|
|
|
#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd2
|
|
#define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/2)
|
|
|
|
/* USB divider */
|
|
|
|
#define STM32_CFGR_USBPRE 0
|
|
|
|
/* LED definitions ******************************************************************/
|
|
|
|
/* The STM3210E-EVAL board has 4 LEDs that we will encode as */
|
|
|
|
#define LED_STARTED 0 /* LED1 */
|
|
#define LED_HEAPALLOCATE 1 /* LED2 */
|
|
#define LED_IRQSENABLED 2 /* LED1 + LED2 */
|
|
#define LED_STACKCREATED 3 /* LED3 */
|
|
#define LED_INIRQ 4 /* LED1 + LED3 */
|
|
#define LED_SIGNAL 5 /* LED2 + LED3 */
|
|
#define LED_ASSERTION 6 /* LED1 + LED2 + LED3 */
|
|
#define LED_PANIC 7 /* N/C + N/C + N/C + LED4 */
|
|
|
|
/************************************************************************************
|
|
* Public Function Prototypes
|
|
************************************************************************************/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
/************************************************************************************
|
|
* Name: stm32_boardinitialize
|
|
*
|
|
* Description:
|
|
* All STM32 architectures must provide the following entry point. This entry point
|
|
* is called early in the intitialization -- after all memory has been configured
|
|
* and mapped but before any devices have been initialized.
|
|
*
|
|
************************************************************************************/
|
|
|
|
extern void stm32_boardinitialize(void);
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* __ARCH_BOARD_BOARD_H */
|