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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
* Chen Liqin <liqin.chen@sunplusct.com>
* Lennox Wu <lennox.wu@sunplusct.com>
* Copyright (C) 2012 Regents of the University of California
*/
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/memblock.h>
#include <linux/sched.h>
#include <linux/console.h>
#include <linux/screen_info.h>
#include <linux/of_fdt.h>
#include <linux/of_platform.h>
#include <linux/sched/task.h>
#include <linux/swiotlb.h>
#include <asm/clint.h>
#include <asm/setup.h>
#include <asm/sections.h>
#include <asm/pgtable.h>
#include <asm/smp.h>
#include <asm/tlbflush.h>
#include <asm/thread_info.h>
#include "head.h"
#ifdef CONFIG_DUMMY_CONSOLE
struct screen_info screen_info = {
.orig_video_lines = 30,
.orig_video_cols = 80,
.orig_video_mode = 0,
.orig_video_ega_bx = 0,
.orig_video_isVGA = 1,
.orig_video_points = 8
};
#endif
/* The lucky hart to first increment this variable will boot the other cores */
atomic_t hart_lottery;
unsigned long boot_cpu_hartid;
void __init parse_dtb(void)
{
if (early_init_dt_scan(dtb_early_va))
return;
pr_err("No DTB passed to the kernel\n");
#ifdef CONFIG_CMDLINE_FORCE
strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
pr_info("Forcing kernel command line to: %s\n", boot_command_line);
#endif
}
void __init setup_arch(char **cmdline_p)
{
init_mm.start_code = (unsigned long) _stext;
init_mm.end_code = (unsigned long) _etext;
init_mm.end_data = (unsigned long) _edata;
init_mm.brk = (unsigned long) _end;
*cmdline_p = boot_command_line;
parse_early_param();
setup_bootmem();
paging_init();
unflatten_device_tree();
clint_init_boot_cpu();
#ifdef CONFIG_SWIOTLB
swiotlb_init(1);
#endif
#ifdef CONFIG_SMP
setup_smp();
#endif
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
riscv_fill_hwcap();
}
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