arch/arm/cpu/armv7/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 <asm/arch/sc-regs.h>
  11 #include <asm/arch/board.h>
  12
  13 void reset_cpu(unsigned long ignored)
  14 {
  15         u32 tmp;
  16
  17         uniphier_board_reset();
  18
  19         writel(5, SC_IRQTIMSET); /* default value */
  20
  21         tmp  = readl(SC_SLFRSTSEL);
  22         tmp &= ~0x3; /* mask [1:0] */
  23         tmp |= 0x0;  /* XRST reboot */
  24         writel(tmp, SC_SLFRSTSEL);
  25
  26         tmp = readl(SC_SLFRSTCTL);
  27         tmp |= 0x1;
  28         writel(tmp, SC_SLFRSTCTL);
  29 }