1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (C) 2012-2014 Panasonic Corporation 3*4882a593Smuzhiyun * Copyright (C) 2015-2016 Socionext Inc. 4*4882a593Smuzhiyun * Author: Masahiro Yamada <yamada.masahiro@socionext.com> 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <common.h> 10*4882a593Smuzhiyun #include <linux/io.h> 11*4882a593Smuzhiyun #include <asm/secure.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include "sc-regs.h" 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* If PSCI is enabled, this is used for SYSTEM_RESET function */ 16*4882a593Smuzhiyun #ifdef CONFIG_ARMV7_PSCI 17*4882a593Smuzhiyun #define __SECURE __secure 18*4882a593Smuzhiyun #else 19*4882a593Smuzhiyun #define __SECURE 20*4882a593Smuzhiyun #endif 21*4882a593Smuzhiyun reset_cpu(unsigned long ignored)22*4882a593Smuzhiyunvoid __SECURE reset_cpu(unsigned long ignored) 23*4882a593Smuzhiyun { 24*4882a593Smuzhiyun u32 tmp; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun writel(5, SC_IRQTIMSET); /* default value */ 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun tmp = readl(SC_SLFRSTSEL); 29*4882a593Smuzhiyun tmp &= ~0x3; /* mask [1:0] */ 30*4882a593Smuzhiyun tmp |= 0x0; /* XRST reboot */ 31*4882a593Smuzhiyun writel(tmp, SC_SLFRSTSEL); 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun tmp = readl(SC_SLFRSTCTL); 34*4882a593Smuzhiyun tmp |= 0x1; 35*4882a593Smuzhiyun writel(tmp, SC_SLFRSTCTL); 36*4882a593Smuzhiyun } 37