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 | } |