u-boot/arch/arm/mach-octeontx/clock.c
Suneel Garapati 03c2288070 arm: octeontx: Add support for OcteonTX SoC platforms
This patch adds support for all OcteonTX 81xx/83xx
boards from Marvell.
For 81xx boards, use octeontx_81xx_defconfig and
for 83xx boards, use octeontx_83xx_defconfig.

Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
2020-08-25 08:01:16 +02:00

35 lines
591 B
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;
}