Commit | Line | Data |
---|---|---|
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 | ||
1e8e3383 HC |
11 | #include <asm/types.h> |
12 | ||
1da177e4 LT |
13 | #define PARMAREA 0x10400 |
14 | #define COMMAND_LINE_SIZE 896 | |
15 | #define RAMDISK_ORIGIN 0x800000 | |
16 | #define RAMDISK_SIZE 0x800000 | |
17 | #define MEMORY_CHUNKS 16 /* max 0x7fff */ | |
1e8e3383 | 18 | #define IPL_PARMBLOCK_ORIGIN 0x2000 |
1da177e4 LT |
19 | |
20 | #ifndef __ASSEMBLY__ | |
21 | ||
22 | #ifndef __s390x__ | |
23 | #define IPL_DEVICE (*(unsigned long *) (0x10404)) | |
24 | #define INITRD_START (*(unsigned long *) (0x1040C)) | |
25 | #define INITRD_SIZE (*(unsigned long *) (0x10414)) | |
26 | #else /* __s390x__ */ | |
27 | #define IPL_DEVICE (*(unsigned long *) (0x10400)) | |
28 | #define INITRD_START (*(unsigned long *) (0x10408)) | |
29 | #define INITRD_SIZE (*(unsigned long *) (0x10410)) | |
30 | #endif /* __s390x__ */ | |
31 | #define COMMAND_LINE ((char *) (0x10480)) | |
32 | ||
33 | /* | |
34 | * Machine features detected in head.S | |
35 | */ | |
36 | extern unsigned long machine_flags; | |
37 | ||
38 | #define MACHINE_IS_VM (machine_flags & 1) | |
39 | #define MACHINE_IS_P390 (machine_flags & 4) | |
40 | #define MACHINE_HAS_MVPG (machine_flags & 16) | |
41 | #define MACHINE_HAS_DIAG44 (machine_flags & 32) | |
42 | #define MACHINE_HAS_IDTE (machine_flags & 128) | |
43 | ||
44 | #ifndef __s390x__ | |
45 | #define MACHINE_HAS_IEEE (machine_flags & 2) | |
46 | #define MACHINE_HAS_CSP (machine_flags & 8) | |
47 | #else /* __s390x__ */ | |
48 | #define MACHINE_HAS_IEEE (1) | |
49 | #define MACHINE_HAS_CSP (1) | |
50 | #endif /* __s390x__ */ | |
51 | ||
52 | ||
53 | #define MACHINE_HAS_SCLP (!MACHINE_IS_P390) | |
54 | ||
55 | /* | |
56 | * Console mode. Override with conmode= | |
57 | */ | |
58 | extern unsigned int console_mode; | |
59 | extern unsigned int console_devno; | |
60 | extern unsigned int console_irq; | |
61 | ||
62 | #define CONSOLE_IS_UNDEFINED (console_mode == 0) | |
63 | #define CONSOLE_IS_SCLP (console_mode == 1) | |
64 | #define CONSOLE_IS_3215 (console_mode == 2) | |
65 | #define CONSOLE_IS_3270 (console_mode == 3) | |
66 | #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) | |
67 | #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) | |
68 | #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) | |
69 | ||
1e8e3383 HC |
70 | struct ipl_list_header { |
71 | u32 length; | |
72 | u8 reserved[3]; | |
73 | u8 version; | |
74 | } __attribute__((packed)); | |
75 | ||
76 | struct ipl_block_fcp { | |
77 | u32 length; | |
78 | u8 pbt; | |
79 | u8 reserved1[322-1]; | |
80 | u16 devno; | |
81 | u8 reserved2[4]; | |
82 | u64 wwpn; | |
83 | u64 lun; | |
84 | u32 bootprog; | |
85 | u8 reserved3[12]; | |
86 | u64 br_lba; | |
87 | u32 scp_data_len; | |
88 | u8 reserved4[260]; | |
89 | u8 scp_data[]; | |
90 | } __attribute__((packed)); | |
91 | ||
92 | struct ipl_parameter_block { | |
93 | union { | |
94 | u32 length; | |
95 | struct ipl_list_header header; | |
96 | } hdr; | |
97 | struct ipl_block_fcp fcp; | |
98 | } __attribute__((packed)); | |
99 | ||
100 | #define IPL_MAX_SUPPORTED_VERSION (0) | |
101 | ||
102 | #define IPL_TYPE_FCP (0) | |
103 | ||
104 | /* | |
105 | * IPL validity flags and parameters as detected in head.S | |
106 | */ | |
107 | extern u32 ipl_parameter_flags; | |
108 | extern u16 ipl_devno; | |
109 | ||
110 | #define IPL_DEVNO_VALID (ipl_parameter_flags & 1) | |
111 | #define IPL_PARMBLOCK_VALID (ipl_parameter_flags & 2) | |
112 | ||
113 | #define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \ | |
114 | IPL_PARMBLOCK_ORIGIN) | |
115 | #define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.length) | |
116 | ||
1da177e4 LT |
117 | #else |
118 | ||
119 | #ifndef __s390x__ | |
120 | #define IPL_DEVICE 0x10404 | |
121 | #define INITRD_START 0x1040C | |
122 | #define INITRD_SIZE 0x10414 | |
123 | #else /* __s390x__ */ | |
124 | #define IPL_DEVICE 0x10400 | |
125 | #define INITRD_START 0x10408 | |
126 | #define INITRD_SIZE 0x10410 | |
127 | #endif /* __s390x__ */ | |
128 | #define COMMAND_LINE 0x10480 | |
129 | ||
130 | #endif | |
131 | ||
132 | #endif |