cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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time.c (673B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Carsten Langgaard, carstenl@mips.com
      4 * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
      5 *
      6 * Setting up the clock on the MIPS boards.
      7 */
      8
      9#include <linux/init.h>
     10#include <linux/time.h>
     11#include <linux/err.h>
     12#include <linux/clk.h>
     13
     14#include <asm/time.h>
     15#include <asm/mach-ar7/ar7.h>
     16
     17void __init plat_time_init(void)
     18{
     19	struct clk *cpu_clk;
     20
     21	/* Initialize ar7 clocks so the CPU clock frequency is correct */
     22	ar7_init_clocks();
     23
     24	cpu_clk = clk_get(NULL, "cpu");
     25	if (IS_ERR(cpu_clk)) {
     26		printk(KERN_ERR "unable to get cpu clock\n");
     27		return;
     28	}
     29
     30	mips_hpt_frequency = clk_get_rate(cpu_clk) / 2;
     31}