nuttx/configs/vsn/src/boot.c
patacongo 11fcce1db9 Add support for RAMTRON NVRAM devices
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3347 42af7a65-404d-4744-a932-0658087f49c3
2011-03-06 15:39:02 +00:00

113 lines
4.5 KiB
C

/************************************************************************************
* configs/vsn/src/boot.c
* arch/arm/src/board/boot.c
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (c) 2011 Uros Platise. All rights reserved.
*
* Authors: Gregory Nutt <spudmonkey@racsa.co.cr>
* Uros Platise <uros.platise@isotel.eu>
*
* 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.
*
************************************************************************************/
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <debug.h>
#include <arch/board/board.h>
#include "stm32_gpio.h"
#include "up_arch.h"
#include "vsn.h"
/************************************************************************************
* Definitions
************************************************************************************/
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* 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.
*
************************************************************************************/
void stm32_boardinitialize(void)
{
#ifdef CONFIG_STM32_SPI3
#warning JTAG Port Disabled as SPI3 NVRAM/FRAM support is enabled
uint32_t val = getreg32(STM32_AFIO_MAPR);
val &= 0x00FFFFFF; // clear undefined readings ...
val |= AFIO_MAPR_DISAB; // set JTAG-DP and SW-DP Disabled
putreg32(val, STM32_AFIO_MAPR);
#endif
// Set Board Voltage to 3.3 V
board_power_setbootvoltage();
/* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak function
* stm32_spiinitialize() has been brought into the link.
*/
#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2) || defined(CONFIG_STM32_SPI3)
if (stm32_spiinitialize) stm32_spiinitialize();
#endif
/* Initialize USB is 1) USBDEV is selected, 2) the USB controller is not
* disabled, and 3) the weak function stm32_usbinitialize() has been brought
* into the build.
*/
#if defined(CONFIG_USBDEV) && defined(CONFIG_STM32_USB)
if (stm32_usbinitialize) stm32_usbinitialize();
#endif
/* Configure on-board LEDs if LED support has been selected. */
#ifdef CONFIG_ARCH_LEDS
up_ledinit();
#endif
}