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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* init.c, Common initialization routines for NEC VR4100 series.
*
* Copyright (C) 2003-2009 Yoichi Yuasa <yuasa@linux-mips.org>
*/
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/irq.h>
#include <linux/string.h>
#include <asm/bootinfo.h>
#include <asm/time.h>
#include <asm/vr41xx/irq.h>
#include <asm/vr41xx/vr41xx.h>
#define IO_MEM_RESOURCE_START 0UL
#define IO_MEM_RESOURCE_END 0x1fffffffUL
static void __init iomem_resource_init(void)
{
iomem_resource.start = IO_MEM_RESOURCE_START;
iomem_resource.end = IO_MEM_RESOURCE_END;
}
void __init plat_time_init(void)
{
unsigned long tclock;
vr41xx_calculate_clock_frequency();
tclock = vr41xx_get_tclock_frequency();
if (current_cpu_data.processor_id == PRID_VR4131_REV2_0 ||
current_cpu_data.processor_id == PRID_VR4131_REV2_1)
mips_hpt_frequency = tclock / 2;
else
mips_hpt_frequency = tclock / 4;
}
void __init plat_mem_setup(void)
{
iomem_resource_init();
vr41xx_siu_setup();
}
void __init prom_init(void)
{
int argc, i;
char **argv;
argc = fw_arg0;
argv = (char **)fw_arg1;
for (i = 1; i < argc; i++) {
strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
if (i < (argc - 1))
strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
}
}
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