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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init.c (1292B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 *  init.c, Common initialization routines for NEC VR4100 series.
      4 *
      5 *  Copyright (C) 2003-2009  Yoichi Yuasa <yuasa@linux-mips.org>
      6 */
      7#include <linux/init.h>
      8#include <linux/ioport.h>
      9#include <linux/irq.h>
     10#include <linux/string.h>
     11
     12#include <asm/bootinfo.h>
     13#include <asm/time.h>
     14#include <asm/vr41xx/irq.h>
     15#include <asm/vr41xx/vr41xx.h>
     16
     17#define IO_MEM_RESOURCE_START	0UL
     18#define IO_MEM_RESOURCE_END	0x1fffffffUL
     19
     20static void __init iomem_resource_init(void)
     21{
     22	iomem_resource.start = IO_MEM_RESOURCE_START;
     23	iomem_resource.end = IO_MEM_RESOURCE_END;
     24}
     25
     26void __init plat_time_init(void)
     27{
     28	unsigned long tclock;
     29
     30	vr41xx_calculate_clock_frequency();
     31
     32	tclock = vr41xx_get_tclock_frequency();
     33	if (current_cpu_data.processor_id == PRID_VR4131_REV2_0 ||
     34	    current_cpu_data.processor_id == PRID_VR4131_REV2_1)
     35		mips_hpt_frequency = tclock / 2;
     36	else
     37		mips_hpt_frequency = tclock / 4;
     38}
     39
     40void __init plat_mem_setup(void)
     41{
     42	iomem_resource_init();
     43
     44	vr41xx_siu_setup();
     45}
     46
     47void __init prom_init(void)
     48{
     49	int argc, i;
     50	char **argv;
     51
     52	argc = fw_arg0;
     53	argv = (char **)fw_arg1;
     54
     55	for (i = 1; i < argc; i++) {
     56		strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
     57		if (i < (argc - 1))
     58			strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
     59	}
     60}