arch/arm/mach-uniphier/reset.c

   1 /*
   2  * Copyright (C) 2012-2014 Panasonic Corporation
   3  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <asm/io.h>
  10 #include <mach/sc-regs.h>
  11
  12 void reset_cpu(unsigned long ignored)
  13 {
  14         u32 tmp;
  15
  16         writel(5, SC_IRQTIMSET); /* default value */
  17
  18         tmp  = readl(SC_SLFRSTSEL);
  19         tmp &= ~0x3; /* mask [1:0] */
  20         tmp |= 0x0;  /* XRST reboot */
  21         writel(tmp, SC_SLFRSTSEL);
  22
  23         tmp = readl(SC_SLFRSTCTL);
  24         tmp |= 0x1;
  25         writel(tmp, SC_SLFRSTCTL);
  26 }