u-boot/arch/arm/mach-octeontx2/clock.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018 Marvell International Ltd.
*
* https://spdx.org/licenses
*/
#include <common.h>
#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;
}