mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-03 21:46:43 +07:00
2ddbc4e2f9
The soft reset register address and reset value to be written are incorrect for the SEAD-3 platform. This patch fixes them such that the SEAD-3 can actually perform a soft reset instead of causing an exception. Also remove usage of 'include/asm/mips-boards/generic.h' header file. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5454/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
41 lines
916 B
C
41 lines
916 B
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
|
|
*/
|
|
#include <linux/io.h>
|
|
#include <linux/pm.h>
|
|
|
|
#include <asm/reboot.h>
|
|
|
|
#define SOFTRES_REG 0x1f000050
|
|
#define GORESET 0x4d
|
|
|
|
static void mips_machine_restart(char *command)
|
|
{
|
|
unsigned int __iomem *softres_reg =
|
|
ioremap(SOFTRES_REG, sizeof(unsigned int));
|
|
|
|
__raw_writel(GORESET, softres_reg);
|
|
}
|
|
|
|
static void mips_machine_halt(void)
|
|
{
|
|
unsigned int __iomem *softres_reg =
|
|
ioremap(SOFTRES_REG, sizeof(unsigned int));
|
|
|
|
__raw_writel(GORESET, softres_reg);
|
|
}
|
|
|
|
static int __init mips_reboot_setup(void)
|
|
{
|
|
_machine_restart = mips_machine_restart;
|
|
_machine_halt = mips_machine_halt;
|
|
pm_power_off = mips_machine_halt;
|
|
|
|
return 0;
|
|
}
|
|
arch_initcall(mips_reboot_setup);
|