nuttx/arch/arm/src/imx6/imx_clockconfig.c
Gregory Nutt 037c9ea0a4 arch/arm: Rename all up_*.h files to arm_*.h
Summary

The naming standard at https://cwiki.apache.org/confluence/display/NUTTX/Naming+FAQ requires that all MCU-private files begin with the name of the architecture, not up_.

This PR addresses only these name changes for the up_*.h files.  There are only three, but almost 1680 files that include them:

    up_arch.h
    up_internal.h
    up_vfork.h

The only change to the files is from including up_arch.h to arm_arch.h (for example).

The entire job required to be compatible with that Naming Convention will also require changing the naming of the up_() functions that are used only within arch/arm and board/arm.

Impact

There should be not impact of this change (other that one step toward more consistent naming).

Testing

stm32f4discovery:netnsh
2020-05-01 03:43:44 +01:00

79 lines
3.3 KiB
C

/****************************************************************************
* arch/arm/src/imx6/imx_clockconfig.c
*
* Copyright (C) 2016 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "arm_arch.h"
#include "hardware/imx_ccm.h"
#include "imx_config.h"
#include "imx_clockconfig.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: imx_clockconfig
*
* Description:
* Called to initialize the i.MX6. This does whatever setup is needed to
* put the SoC in a usable state. This includes the initialization of
* clocking using the settings in board.h.
*
****************************************************************************/
void imx_clockconfig(void)
{
/* Don't change the current basic clock configuration if we are running
* from SDRAM. In this case, some bootloader logic has already configured
* clocking and SDRAM. We are pretty much committed to using things the
* way that the bootloader has left them.
*
* Clocking will be configured at 792 MHz initially when started via
* U-Boot. The Linux kernel will uses the CPU frequency scaling code
* which will switch the processor frequency between 400 MHz and 1GHz based
* on load and temperature. For now, NuttX simply leaves the clocking at
* 792MHz.
*/
#ifndef CONFIG_IMX6_BOOT_SDRAM
# warning Missing logic
#endif
}