ia64/linux-2.6.18-xen.hg

view include/asm-m68k/mac_oss.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 /*
2 * OSS
3 *
4 * This is used in place of VIA2 on the IIfx.
5 */
7 #define OSS_BASE (0x50f1a000)
9 /*
10 * Interrupt level offsets for mac_oss->irq_level
11 */
13 #define OSS_NUBUS0 0
14 #define OSS_NUBUS1 1
15 #define OSS_NUBUS2 2
16 #define OSS_NUBUS3 3
17 #define OSS_NUBUS4 4
18 #define OSS_NUBUS5 5
19 #define OSS_IOPISM 6
20 #define OSS_IOPSCC 7
21 #define OSS_SOUND 8
22 #define OSS_SCSI 9
23 #define OSS_60HZ 10
24 #define OSS_VIA1 11
25 #define OSS_UNUSED1 12
26 #define OSS_UNUSED2 13
27 #define OSS_PARITY 14
28 #define OSS_UNUSED3 15
30 #define OSS_NUM_SOURCES 16
32 /*
33 * Pending interrupt bits in mac_oss->irq_pending
34 */
36 #define OSS_IP_NUBUS0 0x0001
37 #define OSS_IP_NUBUS1 0x0002
38 #define OSS_IP_NUBUS2 0x0004
39 #define OSS_IP_NUBUS3 0x0008
40 #define OSS_IP_NUBUS4 0x0010
41 #define OSS_IP_NUBUS5 0x0020
42 #define OSS_IP_IOPISM 0x0040
43 #define OSS_IP_IOPSCC 0x0080
44 #define OSS_IP_SOUND 0x0100
45 #define OSS_IP_SCSI 0x0200
46 #define OSS_IP_60HZ 0x0400
47 #define OSS_IP_VIA1 0x0800
48 #define OSS_IP_UNUSED1 0x1000
49 #define OSS_IP_UNUSED2 0x2000
50 #define OSS_IP_PARITY 0x4000
51 #define OSS_IP_UNUSED3 0x8000
53 #define OSS_IP_NUBUS (OSS_IP_NUBUS0|OSS_IP_NUBUS1|OSS_IP_NUBUS2|OSS_IP_NUBUS3|OSS_IP_NUBUS4|OSS_IP_NUBUS5)
55 /*
56 * Rom Control Register
57 */
59 #define OSS_POWEROFF 0x80
61 /*
62 * OSS Interrupt levels for various sub-systems
63 *
64 * This mapping is layed out with two things in mind: first, we try to keep
65 * things on their own levels to avoid having to do double-dispatches. Second,
66 * the levels match as closely as possible the alternate IRQ mapping mode (aka
67 * "A/UX mode") available on some VIA machines.
68 */
70 #define OSS_IRQLEV_DISABLED 0
71 #define OSS_IRQLEV_IOPISM 1 /* ADB? */
72 #define OSS_IRQLEV_SCSI IRQ_AUTO_2
73 #define OSS_IRQLEV_NUBUS IRQ_AUTO_3 /* keep this on its own level */
74 #define OSS_IRQLEV_IOPSCC IRQ_AUTO_4 /* matches VIA alternate mapping */
75 #define OSS_IRQLEV_SOUND IRQ_AUTO_5 /* matches VIA alternate mapping */
76 #define OSS_IRQLEV_60HZ 6 /* matches VIA alternate mapping */
77 #define OSS_IRQLEV_VIA1 IRQ_AUTO_6 /* matches VIA alternate mapping */
78 #define OSS_IRQLEV_PARITY 7 /* matches VIA alternate mapping */
80 #ifndef __ASSEMBLY__
82 struct mac_oss {
83 __u8 irq_level[0x10]; /* [0x000-0x00f] Interrupt levels */
84 __u8 padding0[0x1F2]; /* [0x010-0x201] IO space filler */
85 __u16 irq_pending; /* [0x202-0x203] pending interrupts bits */
86 __u8 rom_ctrl; /* [0x204-0x204] ROM cntl reg (for poweroff) */
87 __u8 padding1[0x2]; /* [0x205-0x206] currently unused by A/UX */
88 __u8 ack_60hz; /* [0x207-0x207] 60 Hz ack. */
89 };
91 extern volatile struct mac_oss *oss;
92 extern int oss_present;
94 #endif /* __ASSEMBLY__ */