arch/mips/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 (dm@engr.sgi.com)
   9  * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
  10  * Copyright (C) 1999 Silicon Graphics, Inc.
  11  */
  12 #include <linux/config.h>
  13 #include <linux/init.h>
  14 #include <linux/kernel.h>
  15
  16 #include <asm/bcache.h>
  17
  18 #include <asm/arc/types.h>
  19 #include <asm/sgialib.h>
  20 #include <asm/bootinfo.h>
  21 #include <asm/system.h>
  22
  23 extern void *sgiwd93_host;
  24 extern void reset_wd33c93(void *instance);
  25
  26 VOID
  27 ArcHalt(VOID)
  28 {
  29         bc_disable();
  30         local_irq_disable();
  31 #ifdef CONFIG_SCSI_SGIWD93
  32         reset_wd33c93(sgiwd93_host);
  33 #endif
  34         ARC_CALL0(halt);
  35 never:  goto never;
  36 }
  37
  38 VOID
  39 ArcPowerDown(VOID)
  40 {
  41         bc_disable();
  42         local_irq_disable();
  43 #ifdef CONFIG_SCSI_SGIWD93
  44         reset_wd33c93(sgiwd93_host);
  45 #endif
  46         ARC_CALL0(pdown);
  47 never:  goto never;
  48 }
  49
  50 /* XXX is this a soft reset basically? XXX */
  51 VOID
  52 ArcRestart(VOID)
  53 {
  54         bc_disable();
  55         local_irq_disable();
  56 #ifdef CONFIG_SCSI_SGIWD93
  57         reset_wd33c93(sgiwd93_host);
  58 #endif
  59         ARC_CALL0(restart);
  60 never:  goto never;
  61 }
  62
  63 VOID
  64 ArcReboot(VOID)
  65 {
  66         bc_disable();
  67         local_irq_disable();
  68 #ifdef CONFIG_SCSI_SGIWD93
  69         reset_wd33c93(sgiwd93_host);
  70 #endif
  71         ARC_CALL0(reboot);
  72 never:  goto never;
  73 }
  74
  75 VOID
  76 ArcEnterInteractiveMode(VOID)
  77 {
  78         bc_disable();
  79         local_irq_disable();
  80 #ifdef CONFIG_SCSI_SGIWD93
  81         reset_wd33c93(sgiwd93_host);
  82 #endif
  83         ARC_CALL0(imode);
  84 never:  goto never;
  85 }
  86
  87 LONG
  88 ArcSaveConfiguration(VOID)
  89 {
  90         return ARC_CALL0(cfg_save);
  91 }
  92
  93 struct linux_sysid *
  94 ArcGetSystemId(VOID)
  95 {
  96         return (struct linux_sysid *) ARC_CALL0(get_sysid);
  97 }
  98
  99 VOID __init
 100 ArcFlushAllCaches(VOID)
 101 {
 102         ARC_CALL0(cache_flush);
 103 }
 104
 105 DISPLAY_STATUS * __init ArcGetDisplayStatus(ULONG FileID)
 106 {
 107         return (DISPLAY_STATUS *) ARC_CALL1(GetDisplayStatus, FileID);
 108 }