projects / deliverable / linux.git / blame
| 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 | ||
| 0defa3c1 HC |
11 | #ifdef __KERNEL__ |
| 12 | ||
| 1e8e3383 HC |
13 | #include <asm/types.h> |
| 14 | ||
| 1da177e4 LT |
15 | #define PARMAREA 0x10400 |
| 16 | #define COMMAND_LINE_SIZE 896 | |
| 1da177e4 | 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) | |
| 1da177e4 LT |
41 | #define MACHINE_HAS_IDTE (machine_flags & 128) |
| 42 | ||
| 43 | #ifndef __s390x__ | |
| 44 | #define MACHINE_HAS_IEEE (machine_flags & 2) | |
| 45 | #define MACHINE_HAS_CSP (machine_flags & 8) | |
| abdba61a | 46 | #define MACHINE_HAS_DIAG44 (1) |
| 1da177e4 LT |
47 | #else /* __s390x__ */ |
| 48 | #define MACHINE_HAS_IEEE (1) | |
| 49 | #define MACHINE_HAS_CSP (1) | |
| abdba61a | 50 | #define MACHINE_HAS_DIAG44 (machine_flags & 32) |
| 1da177e4 LT |
51 | #endif /* __s390x__ */ |
| 52 | ||
| 53 | ||
| 54 | #define MACHINE_HAS_SCLP (!MACHINE_IS_P390) | |
| 55 | ||
| 56 | /* | |
| 57 | * Console mode. Override with conmode= | |
| 58 | */ | |
| 59 | extern unsigned int console_mode; | |
| 60 | extern unsigned int console_devno; | |
| 61 | extern unsigned int console_irq; | |
| 62 | ||
| 63 | #define CONSOLE_IS_UNDEFINED (console_mode == 0) | |
| 64 | #define CONSOLE_IS_SCLP (console_mode == 1) | |
| 65 | #define CONSOLE_IS_3215 (console_mode == 2) | |
| 66 | #define CONSOLE_IS_3270 (console_mode == 3) | |
| 67 | #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) | |
| 68 | #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) | |
| 69 | #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) | |
| 70 | ||
| 1e8e3383 HC |
71 | struct ipl_list_header { |
| 72 | u32 length; | |
| 73 | u8 reserved[3]; | |
| 74 | u8 version; | |
| 75 | } __attribute__((packed)); | |
| 76 | ||
| 77 | struct ipl_block_fcp { | |
| 78 | u32 length; | |
| 79 | u8 pbt; | |
| 80 | u8 reserved1[322-1]; | |
| 81 | u16 devno; | |
| 82 | u8 reserved2[4]; | |
| 83 | u64 wwpn; | |
| 84 | u64 lun; | |
| 85 | u32 bootprog; | |
| 86 | u8 reserved3[12]; | |
| 87 | u64 br_lba; | |
| 88 | u32 scp_data_len; | |
| 89 | u8 reserved4[260]; | |
| 90 | u8 scp_data[]; | |
| 91 | } __attribute__((packed)); | |
| 92 | ||
| 93 | struct ipl_parameter_block { | |
| 94 | union { | |
| 95 | u32 length; | |
| 96 | struct ipl_list_header header; | |
| 97 | } hdr; | |
| 98 | struct ipl_block_fcp fcp; | |
| 99 | } __attribute__((packed)); | |
| 100 | ||
| 101 | #define IPL_MAX_SUPPORTED_VERSION (0) | |
| 102 | ||
| 103 | #define IPL_TYPE_FCP (0) | |
| 104 | ||
| 105 | /* | |
| 106 | * IPL validity flags and parameters as detected in head.S | |
| 107 | */ | |
| 108 | extern u32 ipl_parameter_flags; | |
| 109 | extern u16 ipl_devno; | |
| 110 | ||
| 111 | #define IPL_DEVNO_VALID (ipl_parameter_flags & 1) | |
| 112 | #define IPL_PARMBLOCK_VALID (ipl_parameter_flags & 2) | |
| 113 | ||
| 114 | #define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \ | |
| 115 | IPL_PARMBLOCK_ORIGIN) | |
| 116 | #define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.length) | |
| 117 | ||
| 0defa3c1 | 118 | #else /* __ASSEMBLY__ */ |
| 1da177e4 LT |
119 | |
| 120 | #ifndef __s390x__ | |
| 121 | #define IPL_DEVICE 0x10404 | |
| 122 | #define INITRD_START 0x1040C | |
| 123 | #define INITRD_SIZE 0x10414 | |
| 124 | #else /* __s390x__ */ | |
| 125 | #define IPL_DEVICE 0x10400 | |
| 126 | #define INITRD_START 0x10408 | |
| 127 | #define INITRD_SIZE 0x10410 | |
| 128 | #endif /* __s390x__ */ | |
| 129 | #define COMMAND_LINE 0x10480 | |
| 130 | ||
| 0defa3c1 HC |
131 | #endif /* __ASSEMBLY__ */ |
| 132 | #endif /* __KERNEL__ */ | |
| 133 | #endif /* _ASM_S390_SETUP_H */ |