| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | } |