release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-bcmring/include/mach/system.h

   1 /*
   2  *
   3  *  Copyright (C) 1999 ARM Limited
   4  *  Copyright (C) 2000 Deep Blue Solutions Ltd
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #ifndef __ASM_ARCH_SYSTEM_H
  21 #define __ASM_ARCH_SYSTEM_H
  22
  23 #include <mach/csp/chipcHw_inline.h>
  24
  25 extern int bcmring_arch_warm_reboot;
  26
  27 static inline void arch_idle(void)
  28 {
  29         cpu_do_idle();
  30 }
  31
  32 static inline void arch_reset(char mode, const char *cmd)
  33 {
  34         printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot);
  35
  36         if (mode == 'h') {
  37                 /* Reboot configured in proc entry */
  38                 if (bcmring_arch_warm_reboot) {
  39                         printk("warm reset\n");
  40                         /* Issue Warm reset (do not reset ethernet switch, keep alive) */
  41                         chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_WARM);
  42                 } else {
  43                         /* Force reset of everything */
  44                         printk("force reset\n");
  45                         chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
  46                 }
  47         } else {
  48                 /* Force reset of everything */
  49                 printk("force reset\n");
  50                 chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
  51         }
  52 }
  53
  54 #endif