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renesas: rzg: Add PFC support for RZ/G2M

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Add pin control support for RZ/G2M SoC.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Change-Id: I08719015cab1ec59e2270523980a0a3e26e72c01
This commit is contained in:
Biju Das 2020-11-09 09:40:04 +00:00
parent f4db9216f5
commit 618522eb22
4 changed files with 1404 additions and 0 deletions

1300
drivers/renesas/rzg/pfc/G2M/pfc_init_g2m.c Normal file
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12
drivers/renesas/rzg/pfc/G2M/pfc_init_g2m.h Normal file
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/*
* Copyright (c) 2020, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef PFC_INIT_G2M_H
#define PFC_INIT_G2M_H
void pfc_init_g2m(void);
#endif /* PFC_INIT_G2M_H */

20
drivers/renesas/rzg/pfc/pfc.mk Normal file
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#
# Copyright (c) 2020, Renesas Electronics Corporation. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
ifeq (${RCAR_LSI},${RCAR_AUTO})
BL2_SOURCES += drivers/renesas/rzg/pfc/G2M/pfc_init_g2m.c
else ifdef RCAR_LSI_CUT_COMPAT
ifeq (${RCAR_LSI},${RZ_G2M})
BL2_SOURCES += drivers/renesas/rzg/pfc/G2M/pfc_init_g2m.c
endif
else
ifeq (${RCAR_LSI},${RZ_G2M})
BL2_SOURCES += drivers/renesas/rzg/pfc/G2M/pfc_init_g2m.c
endif
endif
BL2_SOURCES += drivers/renesas/rzg/pfc/pfc_init.c

72
drivers/renesas/rzg/pfc/pfc_init.c Normal file
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/*
* Copyright (c) 2020, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
#include <common/debug.h>
#include <lib/mmio.h>
#if RCAR_LSI == RCAR_AUTO
#include "G2M/pfc_init_g2m.h"
#endif /* RCAR_LSI == RCAR_AUTO */
#if (RCAR_LSI == RZ_G2M)
#include "G2M/pfc_init_g2m.h"
#endif /* RCAR_LSI == RZ_G2M */
#include "rcar_def.h"
#define PRR_PRODUCT_ERR(reg) \
do { \
ERROR("LSI Product ID(PRR=0x%x) PFC init not supported.\n", \
reg); \
panic(); \
} while (0)
#define PRR_CUT_ERR(reg) \
do { \
ERROR("LSI Cut ID(PRR=0x%x) PFC init not supported.\n", \
reg); \
panic();\
} while (0)
void rzg_pfc_init(void)
{
uint32_t reg;
reg = mmio_read_32(RCAR_PRR);
#if RCAR_LSI == RCAR_AUTO
switch (reg & PRR_PRODUCT_MASK) {
case PRR_PRODUCT_M3:
pfc_init_g2m();
break;
default:
PRR_PRODUCT_ERR(reg);
break;
}
#elif RCAR_LSI_CUT_COMPAT /* RCAR_LSI == RCAR_AUTO */
switch (reg & PRR_PRODUCT_MASK) {
case PRR_PRODUCT_M3:
#if RCAR_LSI != RZ_G2M
PRR_PRODUCT_ERR(reg);
#else /* RCAR_LSI != RZ_G2M */
pfc_init_g2m();
#endif /* RCAR_LSI != RZ_G2M */
break;
default:
PRR_PRODUCT_ERR(reg);
break;
}
#else /* RCAR_LSI == RCAR_AUTO */
#if (RCAR_LSI == RZ_G2M)
if ((reg & PRR_PRODUCT_MASK) != PRR_PRODUCT_M3) {
PRR_PRODUCT_ERR(reg);
}
pfc_init_m3();
#else /* RCAR_LSI == RZ_G2M */
#error "Don't have PFC initialize routine(unknown)."
#endif /* RCAR_LSI == RZ_G2M */
#endif /* RCAR_LSI == RCAR_AUTO */
}