Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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
23extern void *sgiwd93_host;
24extern void reset_wd33c93(void *instance);
25
26VOID
27ArcHalt(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);
35never: goto never;
36}
37
38VOID
39ArcPowerDown(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);
47never: goto never;
48}
49
50/* XXX is this a soft reset basically? XXX */
51VOID
52ArcRestart(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);
60never: goto never;
61}
62
63VOID
64ArcReboot(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);
72never: goto never;
73}
74
75VOID
76ArcEnterInteractiveMode(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);
84never: goto never;
85}
86
87LONG
88ArcSaveConfiguration(VOID)
89{
90 return ARC_CALL0(cfg_save);
91}
92
93struct linux_sysid *
94ArcGetSystemId(VOID)
95{
96 return (struct linux_sysid *) ARC_CALL0(get_sysid);
97}
98
99VOID __init
100ArcFlushAllCaches(VOID)
101{
102 ARC_CALL0(cache_flush);
103}
104
105DISPLAY_STATUS * __init ArcGetDisplayStatus(ULONG FileID)
106{
107 return (DISPLAY_STATUS *) ARC_CALL1(GetDisplayStatus, FileID);
108}