[thirdparty/u-boot.git] / arch / arm / mach-octeontx / clock.c

// 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;
}
Commit	Line	Data
03c22880 SG	1	// SPDX-License-Identifier: GPL-2.0
	2	/*
	3	* Copyright (C) 2018 Marvell International Ltd.
	4	*
	5	* https://spdx.org/licenses
	6	*/
	7
d678a59d	8	#include <common.h>
03c22880 SG	9	#include <asm/io.h>
	10	#include <asm/arch/board.h>
	11	#include <asm/arch/clock.h>
	12
	13	/**
	14	* Returns the I/O clock speed in Hz
	15	*/
	16	u64 octeontx_get_io_clock(void)
	17	{
	18	union rst_boot rst_boot;
	19
	20	rst_boot.u = readq(RST_BOOT);
	21
	22	return rst_boot.s.pnr_mul * PLL_REF_CLK;
	23	}
	24
	25	/**
	26	* Returns the core clock speed in Hz
	27	*/
	28	u64 octeontx_get_core_clock(void)
	29	{
	30	union rst_boot rst_boot;
	31
	32	rst_boot.u = readq(RST_BOOT);
	33
	34	return rst_boot.s.c_mul * PLL_REF_CLK;
	35	}