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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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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
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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*/
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#include <linux/io.h>
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#include <linux/pm.h>
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#include <asm/reboot.h>
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#define SOFTRES_REG 0x1f000050
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#define GORESET 0x4d
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static void mips_machine_restart(char *command)
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{
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unsigned int __iomem *softres_reg =
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ioremap(SOFTRES_REG, sizeof(unsigned int));
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__raw_writel(GORESET, softres_reg);
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}
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static void mips_machine_halt(void)
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{
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unsigned int __iomem *softres_reg =
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ioremap(SOFTRES_REG, sizeof(unsigned int));
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__raw_writel(GORESET, softres_reg);
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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 = mips_machine_restart;
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_machine_halt = mips_machine_halt;
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pm_power_off = mips_machine_halt;
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return 0;
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}
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arch_initcall(mips_reboot_setup);
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