arch/arm/mach-octeontx2/clock.c

// SPDX-License-Identifier:    GPL-2.0
/*
 * Copyright (C) 2018 Marvell International Ltd.
 *
 * https://spdx.org/licenses
 */

#include <asm/io.h>
#include <asm/arch/board.h>
#include <asm/arch/clock.h>

/**
 * Returns the I/O clock speed in Hz
 */
u64 octeontx_get_io_clock(void)
{
	union rst_boot rst_boot;

	rst_boot.u = readq(RST_BOOT);

	return rst_boot.s.pnr_mul * PLL_REF_CLK;
}

/**
 * Returns the core clock speed in Hz
 */
u64 octeontx_get_core_clock(void)
{
	union rst_boot rst_boot;

	rst_boot.u = readq(RST_BOOT);

	return rst_boot.s.c_mul * PLL_REF_CLK;
}