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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4bdc0d676a
ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
65 lines
1.2 KiB
C
65 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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*
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* Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
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* Author: Fuxin Zhang, zhangfx@lemote.com
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* Copyright (C) 2009 Lemote, Inc.
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* Author: Zhangjin Wu, wuzhangjin@gmail.com
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*/
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#include <linux/init.h>
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#include <linux/pm.h>
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#include <asm/idle.h>
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#include <asm/reboot.h>
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#include <loongson.h>
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#include <boot_param.h>
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static inline void loongson_reboot(void)
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{
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((void (*)(void))ioremap(LOONGSON_BOOT_BASE, 4)) ();
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}
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static void loongson_restart(char *command)
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{
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void (*fw_restart)(void) = (void *)loongson_sysconf.restart_addr;
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fw_restart();
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while (1) {
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if (cpu_wait)
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cpu_wait();
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}
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}
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static void loongson_poweroff(void)
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{
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void (*fw_poweroff)(void) = (void *)loongson_sysconf.poweroff_addr;
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fw_poweroff();
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while (1) {
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if (cpu_wait)
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cpu_wait();
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}
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}
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static void loongson_halt(void)
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{
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pr_notice("\n\n** You can safely turn off the power now **\n\n");
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while (1) {
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if (cpu_wait)
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cpu_wait();
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}
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}
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static int __init mips_reboot_setup(void)
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{
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_machine_restart = loongson_restart;
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_machine_halt = loongson_halt;
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pm_power_off = loongson_poweroff;
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return 0;
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}
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arch_initcall(mips_reboot_setup);
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