mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 13:04:36 +07:00
ba9c014194
No need to pass the hartid, and the dtb address passed is a physical address, so don't pretend it is a kernel pointer. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
|
|
* 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
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see the file COPYING, or write
|
|
* to the Free Software Foundation, Inc.,
|
|
*/
|
|
|
|
#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/setup.h>
|
|
#include <asm/sections.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/smp.h>
|
|
#include <asm/tlbflush.h>
|
|
#include <asm/thread_info.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(phys_addr_t dtb_phys)
|
|
{
|
|
void *dtb = __va(dtb_phys);
|
|
|
|
if (early_init_dt_scan(dtb))
|
|
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();
|
|
|
|
#ifdef CONFIG_SWIOTLB
|
|
swiotlb_init(1);
|
|
#endif
|
|
|
|
#ifdef CONFIG_SMP
|
|
setup_smp();
|
|
#endif
|
|
|
|
#ifdef CONFIG_DUMMY_CONSOLE
|
|
conswitchp = &dummy_con;
|
|
#endif
|
|
|
|
riscv_fill_hwcap();
|
|
}
|