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
ArcHalt(VOID)27 ArcHalt(VOID)
28 {
29 	bc_disable();
30 	cli();
31 #if CONFIG_SCSI_SGIWD93
32 	reset_wd33c93(sgiwd93_host);
33 #endif
34 	ARC_CALL0(halt);
35 never:	goto never;
36 }
37 
38 VOID
ArcPowerDown(VOID)39 ArcPowerDown(VOID)
40 {
41 	bc_disable();
42 	cli();
43 #if 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
ArcRestart(VOID)52 ArcRestart(VOID)
53 {
54 	bc_disable();
55 	cli();
56 #if CONFIG_SCSI_SGIWD93
57 	reset_wd33c93(sgiwd93_host);
58 #endif
59 	ARC_CALL0(restart);
60 never:	goto never;
61 }
62 
63 VOID
ArcReboot(VOID)64 ArcReboot(VOID)
65 {
66 	bc_disable();
67 	cli();
68 #if CONFIG_SCSI_SGIWD93
69 	reset_wd33c93(sgiwd93_host);
70 #endif
71 	ARC_CALL0(reboot);
72 never:	goto never;
73 }
74 
75 VOID
ArcEnterInteractiveMode(VOID)76 ArcEnterInteractiveMode(VOID)
77 {
78 	bc_disable();
79 	cli();
80 #if CONFIG_SCSI_SGIWD93
81 	reset_wd33c93(sgiwd93_host);
82 #endif
83 	ARC_CALL0(imode);
84 never:	goto never;
85 }
86 
87 LONG
ArcSaveConfiguration(VOID)88 ArcSaveConfiguration(VOID)
89 {
90 	return ARC_CALL0(cfg_save);
91 }
92 
93 struct linux_sysid *
ArcGetSystemId(VOID)94 ArcGetSystemId(VOID)
95 {
96 	return (struct linux_sysid *) ARC_CALL0(get_sysid);
97 }
98 
99 VOID __init
ArcFlushAllCaches(VOID)100 ArcFlushAllCaches(VOID)
101 {
102 	ARC_CALL0(cache_flush);
103 }
104