blob: 9b7c1eb16c148f1396c8bb7438bada69918b93f2 [file] [log] [blame]
/*
* Copyright (c) 2018-2020, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <lib/mmio.h>
#include "rcar_private.h"
#if IMAGE_BL31
void __attribute__ ((section(".system_ram"))) cpg_write(uintptr_t regadr, uint32_t regval)
#else
void cpg_write(uintptr_t regadr, uint32_t regval)
#endif
{
uint32_t value = regval;
mmio_write_32((uintptr_t) RCAR_CPGWPR, ~value);
mmio_write_32(regadr, value);
}
#if IMAGE_BL31
void __attribute__ ((section(".system_ram"))) mstpcr_write(uint32_t mstpcr, uint32_t mstpsr,
uint32_t target_bit)
#else
void mstpcr_write(uint32_t mstpcr, uint32_t mstpsr, uint32_t target_bit)
#endif
{
uint32_t reg;
reg = mmio_read_32(mstpcr);
reg &= ~target_bit;
cpg_write(mstpcr, reg);
while ((mmio_read_32(mstpsr) & target_bit) != 0U) {
}
}