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1da177e4 LT |
1 | /* |
2 | * include/asm-s390/setup.h | |
3 | * | |
4 | * S390 version | |
5 | * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation | |
6 | */ | |
7 | ||
8 | #ifndef _ASM_S390_SETUP_H | |
9 | #define _ASM_S390_SETUP_H | |
10 | ||
11 | #define PARMAREA 0x10400 | |
12 | #define COMMAND_LINE_SIZE 896 | |
13 | #define RAMDISK_ORIGIN 0x800000 | |
14 | #define RAMDISK_SIZE 0x800000 | |
15 | #define MEMORY_CHUNKS 16 /* max 0x7fff */ | |
16 | ||
17 | #ifndef __ASSEMBLY__ | |
18 | ||
19 | #ifndef __s390x__ | |
20 | #define IPL_DEVICE (*(unsigned long *) (0x10404)) | |
21 | #define INITRD_START (*(unsigned long *) (0x1040C)) | |
22 | #define INITRD_SIZE (*(unsigned long *) (0x10414)) | |
23 | #else /* __s390x__ */ | |
24 | #define IPL_DEVICE (*(unsigned long *) (0x10400)) | |
25 | #define INITRD_START (*(unsigned long *) (0x10408)) | |
26 | #define INITRD_SIZE (*(unsigned long *) (0x10410)) | |
27 | #endif /* __s390x__ */ | |
28 | #define COMMAND_LINE ((char *) (0x10480)) | |
29 | ||
30 | /* | |
31 | * Machine features detected in head.S | |
32 | */ | |
33 | extern unsigned long machine_flags; | |
34 | ||
35 | #define MACHINE_IS_VM (machine_flags & 1) | |
36 | #define MACHINE_IS_P390 (machine_flags & 4) | |
37 | #define MACHINE_HAS_MVPG (machine_flags & 16) | |
38 | #define MACHINE_HAS_DIAG44 (machine_flags & 32) | |
39 | #define MACHINE_HAS_IDTE (machine_flags & 128) | |
40 | ||
41 | #ifndef __s390x__ | |
42 | #define MACHINE_HAS_IEEE (machine_flags & 2) | |
43 | #define MACHINE_HAS_CSP (machine_flags & 8) | |
44 | #else /* __s390x__ */ | |
45 | #define MACHINE_HAS_IEEE (1) | |
46 | #define MACHINE_HAS_CSP (1) | |
47 | #endif /* __s390x__ */ | |
48 | ||
49 | ||
50 | #define MACHINE_HAS_SCLP (!MACHINE_IS_P390) | |
51 | ||
52 | /* | |
53 | * Console mode. Override with conmode= | |
54 | */ | |
55 | extern unsigned int console_mode; | |
56 | extern unsigned int console_devno; | |
57 | extern unsigned int console_irq; | |
58 | ||
59 | #define CONSOLE_IS_UNDEFINED (console_mode == 0) | |
60 | #define CONSOLE_IS_SCLP (console_mode == 1) | |
61 | #define CONSOLE_IS_3215 (console_mode == 2) | |
62 | #define CONSOLE_IS_3270 (console_mode == 3) | |
63 | #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) | |
64 | #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) | |
65 | #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) | |
66 | ||
67 | #else | |
68 | ||
69 | #ifndef __s390x__ | |
70 | #define IPL_DEVICE 0x10404 | |
71 | #define INITRD_START 0x1040C | |
72 | #define INITRD_SIZE 0x10414 | |
73 | #else /* __s390x__ */ | |
74 | #define IPL_DEVICE 0x10400 | |
75 | #define INITRD_START 0x10408 | |
76 | #define INITRD_SIZE 0x10410 | |
77 | #endif /* __s390x__ */ | |
78 | #define COMMAND_LINE 0x10480 | |
79 | ||
80 | #endif | |
81 | ||
82 | #endif |