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/**
* @file tms570-pom.c
*
* @ingroup tms570
*
* @brief TMS570 Parameter Overlay Module functions definitions.
*/
/*
* Copyright (c) 2014 Pavel Pisa <pisa@cmp.felk.cvut.cz>
*
* Czech Technical University in Prague
* Zikova 1903/4
* 166 36 Praha 6
* Czech Republic
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <stdint.h>
#include <bsp/tms570-pom.h>
#include <bsp/linker-symbols.h>
#include <bsp.h>
/**
* @brief remaps vector table
*
* transfer the rtems start vector table to address 0x0
*
* @retval Void
*/
void tms570_pom_remap(void)
{
int i;
uint32_t vec_overlay_start = 0x08000000;
uint32_t temp = 0;
memcpy((void*)vec_overlay_start, bsp_start_vector_table_begin, 64);
TMS570_POM.GLBCTRL = 0;
for ( i = 0; i < TMS570_POM_REGIONS; ++i ) {
TMS570_POM.REG[i].REGSIZE = TMS570_POM_REGSIZE_SIZE(TMS570_POM_REGSIZE_DISABLED);
}
TMS570_POM.REG[0].PROGSTART = TMS570_POM_PROGSTART_STARTADDRESS(0);
TMS570_POM.REG[0].OVLSTART = TMS570_POM_OVLSTART_STARTADDRESS(vec_overlay_start);
TMS570_POM.REG[0].REGSIZE = TMS570_POM_REGSIZE_SIZE(TMS570_POM_REGSIZE_64B);
TMS570_POM.GLBCTRL = TMS570_POM_GLBCTRL_ON_OFF(0xa) |
TMS570_POM_GLBCTRL_ETO(0xa) |
(TMS570_POM_GLBCTRL_OTADDR(~0) & vec_overlay_start);
}
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