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boot_init_gpio.c
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boot_init_gpio.c
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/*
* Copyright (c) 2015-2018, Renesas Electronics Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - 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.
*
* - Neither the name of Renesas 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.
*/
#include "common.h"
#include "reg_rcarh3.h"
#include "boot_init_gpio.h"
static void InitPOSNEG(void);
static void InitIOINTSEL(void);
static void InitOUTDT(void);
static void InitINOUTSEL(void);
void InitGPIO(void)
{
InitPOSNEG();
InitIOINTSEL();
InitOUTDT();
InitINOUTSEL();
}
static void InitPOSNEG(void)
{
*((volatile uint32_t*)GPIO_POSNEG0)=0x00000000;
*((volatile uint32_t*)GPIO_POSNEG1)=0x00000000;
*((volatile uint32_t*)GPIO_POSNEG2)=0x00000000;
*((volatile uint32_t*)GPIO_POSNEG3)=0x00000000;
*((volatile uint32_t*)GPIO_POSNEG4)=0x00000000;
*((volatile uint32_t*)GPIO_POSNEG5)=0x00000000;
*((volatile uint32_t*)GPIO_POSNEG6)=0x00000000;
}
static void InitIOINTSEL(void)
{
*((volatile uint32_t*)GPIO_IOINTSEL0)=0x00000000;
*((volatile uint32_t*)GPIO_IOINTSEL1)=0x00000000;
*((volatile uint32_t*)GPIO_IOINTSEL2)=0x00000000;
*((volatile uint32_t*)GPIO_IOINTSEL3)=0x00000000;
*((volatile uint32_t*)GPIO_IOINTSEL4)=0x00000000;
*((volatile uint32_t*)GPIO_IOINTSEL5)=0x00000000;
*((volatile uint32_t*)GPIO_IOINTSEL6)=0x00000000;
}
static void InitOUTDT(void)
{
uint32_t product;
product = *((volatile uint32_t*)PRR) & PRR_PRODUCT_MASK;
switch (product) {
#ifdef RCAR_GEN3_SALVATOR
case PRR_PRODUCT_H3: /* H3 and M3 setting values are same */
case PRR_PRODUCT_M3:
case PRR_PRODUCT_M3N:
*((volatile uint32_t*)GPIO_OUTDT1)=0x00000000;
*((volatile uint32_t*)GPIO_OUTDT2)=0x00000400;
*((volatile uint32_t*)GPIO_OUTDT3)=0x0000C000;
*((volatile uint32_t*)GPIO_OUTDT5)=0x00000006;
*((volatile uint32_t*)GPIO_OUTDT6)=0x00003880;
break;
#endif /* RCAR_GEN3_SALVATOR */
#ifdef RCAR_GEN3_EBISU
case PRR_PRODUCT_E3:
*((volatile uint32_t*)GPIO_OUTDT0)=0x00000010;
*((volatile uint32_t*)GPIO_OUTDT1)=0x00100000;
*((volatile uint32_t*)GPIO_OUTDT2)=0x00000000;
*((volatile uint32_t*)GPIO_OUTDT3)=0x00008000;
*((volatile uint32_t*)GPIO_OUTDT4)=0x00000000;
*((volatile uint32_t*)GPIO_OUTDT5)=0x000E0060;
*((volatile uint32_t*)GPIO_OUTDT6)=0x00000000;
break;
#endif /* RCAR_GEN3_EBISU */
#ifdef RCAR_GEN3_DRAAK
case PRR_PRODUCT_D3:
*((volatile uint32_t*)GPIO_OUTDT0)=0x00000000;
*((volatile uint32_t*)GPIO_OUTDT1)=0x40000000;
*((volatile uint32_t*)GPIO_OUTDT2)=0x00000000;
*((volatile uint32_t*)GPIO_OUTDT3)=0x00000000;
*((volatile uint32_t*)GPIO_OUTDT4)=0x02000080;
*((volatile uint32_t*)GPIO_OUTDT5)=0x00000000;
*((volatile uint32_t*)GPIO_OUTDT6)=0x00000000;
break;
#endif /* RCAR_GEN3_DRAAK */
default:
break;
}
}
static void InitINOUTSEL(void)
{
uint32_t product;
product = *((volatile uint32_t*)PRR) & PRR_PRODUCT_MASK;
switch (product) {
#ifdef RCAR_GEN3_SALVATOR
case PRR_PRODUCT_H3: /* H3 and M3 setting values are same */
case PRR_PRODUCT_M3:
case PRR_PRODUCT_M3N:
*((volatile uint32_t*)GPIO_INOUTSEL0)=0x00000000;
*((volatile uint32_t*)GPIO_INOUTSEL1)=0x01000A00;
*((volatile uint32_t*)GPIO_INOUTSEL2)=0x00000400;
*((volatile uint32_t*)GPIO_INOUTSEL3)=0x0000C000;
*((volatile uint32_t*)GPIO_INOUTSEL4)=0x00000000;
*((volatile uint32_t*)GPIO_INOUTSEL5)=0x0000020E;
*((volatile uint32_t*)GPIO_INOUTSEL6)=0x00013880;
break;
#endif /* RCAR_GEN3_SALVATOR */
#ifdef RCAR_GEN3_EBISU
case PRR_PRODUCT_E3:
*((volatile uint32_t*)GPIO_INOUTSEL0)=0x00000010;
*((volatile uint32_t*)GPIO_INOUTSEL1)=0x00100000;
*((volatile uint32_t*)GPIO_INOUTSEL2)=0x00000000;
*((volatile uint32_t*)GPIO_INOUTSEL3)=0x00008000;
*((volatile uint32_t*)GPIO_INOUTSEL4)=0x00000000;
*((volatile uint32_t*)GPIO_INOUTSEL5)=0x000E0060;
*((volatile uint32_t*)GPIO_INOUTSEL6)=0x00004010;
break;
#endif /* RCAR_GEN3_EBISU */
#ifdef RCAR_GEN3_DRAAK
case PRR_PRODUCT_D3:
*((volatile uint32_t*)GPIO_INOUTSEL0)=0x00000020;
*((volatile uint32_t*)GPIO_INOUTSEL1)=0x40000000;
*((volatile uint32_t*)GPIO_INOUTSEL2)=0x80000000;
*((volatile uint32_t*)GPIO_INOUTSEL3)=0x00000000;
*((volatile uint32_t*)GPIO_INOUTSEL4)=0x02000081;
*((volatile uint32_t*)GPIO_INOUTSEL5)=0x00040000;
*((volatile uint32_t*)GPIO_INOUTSEL6)=0x00000000;
break;
#endif /* RCAR_GEN3_DRAAK */
default:
break;
}
}