arch/mips/fw/arc/misc.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Miscellaneous ARCS PROM routines.
   7  *
   8  * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
   9  * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
  10  * Copyright (C) 1999 Silicon Graphics, Inc.
  11  */
  12 #include <linux/compiler.h>
  13 #include <linux/init.h>
  14 #include <linux/kernel.h>
  15 #include <linux/irqflags.h>
  16
  17 #include <asm/bcache.h>
  18
  19 #include <asm/fw/arc/types.h>
  20 #include <asm/sgialib.h>
  21 #include <asm/bootinfo.h>
  22
  23 VOID __noreturn
  24 ArcHalt(VOID)
  25 {
  26         bc_disable();
  27         local_irq_disable();
  28         ARC_CALL0(halt);
  29
  30         unreachable();
  31 }
  32
  33 VOID __noreturn
  34 ArcPowerDown(VOID)
  35 {
  36         bc_disable();
  37         local_irq_disable();
  38         ARC_CALL0(pdown);
  39
  40         unreachable();
  41 }
  42
  43 /* XXX is this a soft reset basically? XXX */
  44 VOID __noreturn
  45 ArcRestart(VOID)
  46 {
  47         bc_disable();
  48         local_irq_disable();
  49         ARC_CALL0(restart);
  50
  51         unreachable();
  52 }
  53
  54 VOID __noreturn
  55 ArcReboot(VOID)
  56 {
  57         bc_disable();
  58         local_irq_disable();
  59         ARC_CALL0(reboot);
  60
  61         unreachable();
  62 }
  63
  64 VOID __noreturn
  65 ArcEnterInteractiveMode(VOID)
  66 {
  67         bc_disable();
  68         local_irq_disable();
  69         ARC_CALL0(imode);
  70
  71         unreachable();
  72 }
  73
  74 LONG
  75 ArcSaveConfiguration(VOID)
  76 {
  77         return ARC_CALL0(cfg_save);
  78 }
  79
  80 struct linux_sysid *
  81 ArcGetSystemId(VOID)
  82 {
  83         return (struct linux_sysid *) ARC_CALL0(get_sysid);
  84 }
  85
  86 VOID __init
  87 ArcFlushAllCaches(VOID)
  88 {
  89         ARC_CALL0(cache_flush);
  90 }
  91
  92 DISPLAY_STATUS * __init ArcGetDisplayStatus(ULONG FileID)
  93 {
  94         return (DISPLAY_STATUS *) ARC_CALL1(GetDisplayStatus, FileID);
  95 }