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