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2025-12-24 17:21:08 +09:00

80 lines
3.5 KiB
C

/*******************************************************************************
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*******************************************************************************/
/*******************************************************************************
* DESCRIPTION : FCPR initialize
******************************************************************************/
/******************************************************************************
* @file fcpr.c
* - Version : 0.04
* @brief Initial setting process of FCPR.
* .
*****************************************************************************/
/******************************************************************************
* History : DD.MM.YYYY Version Description
* : 28.10.2022 0.01 First Release
* : 22.11.2022 0.02 Defenition Remap address
* : 14.06.2023 0.03 Update the setting process for FCPR.
* : 21.08.2023 0.04 Add support for V4M.
*****************************************************************************/
#include <stdint.h>
#include <types.h>
#include <cpg.h>
#include <fcpr.h>
#include <remap.h>
#define CPG_MSTPCR_FCPR (((uint32_t)1U) << 17U)
void fcpr_init(void)
{
/* Register FPCR base address to SIC REMAP14 for V4M. */
/* There are no problems for V4H because same value had set for V4H in BootROM. */
set_sicremap_fcpr();
#if (SET_FCPR_PARAM == FCPR_ENABLE)
uint32_t reg;
/* Enables supply of the clock signal */
reg = mem_read32(CPG_MSTPCR28D0);
/* If supply of clock to FCPR is stopped */
if (FALSE != (CPG_MSTPCR_FCPR & reg))
{
/* Supply of clock to FCPR is start */
reg &= ~(CPG_MSTPCR_FCPR);
mem_write32(CPG_MSTPCR28D0, reg);
}
/* Set value to FCPR_CMP_CTRL */
mem_write32(FCPR_CMP_CTRL, COMPRESSION_ENABLE);
/* Set value to FCPR_CMP_SPACE */
mem_write32(FCPR_CMP_SPACE, 0x00000000U);
/* Set value to FCPR_CMP_STADR */
mem_write32(FCPR_CMP_STADR, COMPRESSION_START_ADDR);
/* Set value to FCPR_CMP_EDADR */
mem_write32(FCPR_CMP_EDADR, COMPRESSION_END_ADDR);
#endif /* SET_FCPR_PARAM == FCPR_ENABLE */
}
/* End of function fcpr_init(void) */