rt-thread/bsp/imxrt/imxrt1021-evk/flexspi_nor.ini

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/*
* Copyright 2017 NXP
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of the copyright holder 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 HOLDER 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.
*/
FUNC void FlexRAM_Config(void)
{
unsigned long reg;
_WDWORD(0x400AC044, 0x0000FAA5); //64KBITCM, 128KBDTCM, 64KBOCRAM
reg = _RDWORD(0x400AC040);
_WDWORD(0x400AC044, reg|7);
}
FUNC void Setup (void) {
SP = _RDWORD(0x60002000); // Setup Stack Pointer
PC = _RDWORD(0x60002004); // Setup Program Counter
_WDWORD(0xE000ED08, 0x60002000); // Setup Vector Table Offset Register
FlexRAM_Config();
}
FUNC void OnResetExec (void) { // executes upon software RESET
Setup(); // Setup for Running
}
LOAD %L INCREMENTAL // Download
Setup(); // Setup for Running
// g, main