Files
Linux_Drivers/u-boot-2021.10/arch/arm/mach-octeontx2/clock.c
sam.xiang f8fc109960 [uboot] create uboot from github:
repo: https://github.com/u-boot/u-boot
	commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91

Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
2023-03-10 20:30:57 +08:00

36 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;
}