35 lines
707 B
C
35 lines
707 B
C
/*
|
|
* Copyright (c) 2018, Renesas Electronics Corporation. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <lib/mmio.h>
|
|
|
|
#include "rcar_private.h"
|
|
|
|
void
|
|
#if IMAGE_BL31
|
|
__attribute__ ((section(".system_ram")))
|
|
#endif
|
|
cpg_write(uintptr_t regadr, uint32_t regval)
|
|
{
|
|
uint32_t value = (regval);
|
|
mmio_write_32((uintptr_t) RCAR_CPGWPR, ~value);
|
|
mmio_write_32(regadr, value);
|
|
}
|
|
|
|
void
|
|
#if IMAGE_BL31
|
|
__attribute__ ((section(".system_ram")))
|
|
#endif
|
|
mstpcr_write(uint32_t mstpcr, uint32_t mstpsr, uint32_t target_bit)
|
|
{
|
|
uint32_t reg;
|
|
reg = mmio_read_32(mstpcr);
|
|
reg &= ~target_bit;
|
|
cpg_write(mstpcr, reg);
|
|
while ((mmio_read_32(mstpsr) & target_bit) != 0U) {
|
|
}
|
|
}
|