Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-s390/setup.h |
| 3 | * |
| 4 | * S390 version |
Heiko Carstens | 36a2bd4 | 2006-12-04 15:40:38 +0100 | [diff] [blame] | 5 | * Copyright IBM Corp. 1999,2006 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #ifndef _ASM_S390_SETUP_H |
| 9 | #define _ASM_S390_SETUP_H |
| 10 | |
Adrian Bunk | 7d1362c | 2006-12-06 20:40:38 -0800 | [diff] [blame] | 11 | #define COMMAND_LINE_SIZE 896 |
| 12 | |
Heiko Carstens | 0defa3c | 2006-02-11 17:56:03 -0800 | [diff] [blame] | 13 | #ifdef __KERNEL__ |
| 14 | |
Heiko Carstens | 1e8e338 | 2005-10-30 15:00:11 -0800 | [diff] [blame] | 15 | #include <asm/types.h> |
| 16 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #define PARMAREA 0x10400 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #define MEMORY_CHUNKS 16 /* max 0x7fff */ |
| 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 | |
Heiko Carstens | 36a2bd4 | 2006-12-04 15:40:38 +0100 | [diff] [blame] | 33 | #define CHUNK_READ_WRITE 0 |
| 34 | #define CHUNK_READ_ONLY 1 |
| 35 | |
| 36 | struct mem_chunk { |
| 37 | unsigned long addr; |
| 38 | unsigned long size; |
| 39 | unsigned long type; |
| 40 | }; |
| 41 | |
| 42 | extern struct mem_chunk memory_chunk[]; |
Michael Holzheu | 411ed32 | 2007-04-27 16:01:49 +0200 | [diff] [blame] | 43 | extern unsigned long real_memory_size; |
Heiko Carstens | 36a2bd4 | 2006-12-04 15:40:38 +0100 | [diff] [blame] | 44 | |
Gerald Schaefer | c1821c2 | 2007-02-05 21:18:17 +0100 | [diff] [blame] | 45 | #ifdef CONFIG_S390_SWITCH_AMODE |
| 46 | extern unsigned int switch_amode; |
| 47 | #else |
| 48 | #define switch_amode (0) |
| 49 | #endif |
| 50 | |
| 51 | #ifdef CONFIG_S390_EXEC_PROTECT |
| 52 | extern unsigned int s390_noexec; |
| 53 | #else |
| 54 | #define s390_noexec (0) |
| 55 | #endif |
| 56 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | /* |
| 58 | * Machine features detected in head.S |
| 59 | */ |
| 60 | extern unsigned long machine_flags; |
| 61 | |
| 62 | #define MACHINE_IS_VM (machine_flags & 1) |
| 63 | #define MACHINE_IS_P390 (machine_flags & 4) |
| 64 | #define MACHINE_HAS_MVPG (machine_flags & 16) |
Carsten Otte | fa58774 | 2008-03-25 18:47:44 +0100 | [diff] [blame] | 65 | #define MACHINE_IS_KVM (machine_flags & 64) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | #define MACHINE_HAS_IDTE (machine_flags & 128) |
Martin Schwidefsky | 3c1fcfe | 2006-09-30 23:27:45 -0700 | [diff] [blame] | 67 | #define MACHINE_HAS_DIAG9C (machine_flags & 256) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | |
| 69 | #ifndef __s390x__ |
| 70 | #define MACHINE_HAS_IEEE (machine_flags & 2) |
| 71 | #define MACHINE_HAS_CSP (machine_flags & 8) |
Heiko Carstens | abdba61 | 2006-07-12 16:39:58 +0200 | [diff] [blame] | 72 | #define MACHINE_HAS_DIAG44 (1) |
Gerald Schaefer | 6c2a9e6 | 2006-09-20 15:59:44 +0200 | [diff] [blame] | 73 | #define MACHINE_HAS_MVCOS (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | #else /* __s390x__ */ |
| 75 | #define MACHINE_HAS_IEEE (1) |
| 76 | #define MACHINE_HAS_CSP (1) |
Heiko Carstens | abdba61 | 2006-07-12 16:39:58 +0200 | [diff] [blame] | 77 | #define MACHINE_HAS_DIAG44 (machine_flags & 32) |
Gerald Schaefer | 6c2a9e6 | 2006-09-20 15:59:44 +0200 | [diff] [blame] | 78 | #define MACHINE_HAS_MVCOS (machine_flags & 512) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | #endif /* __s390x__ */ |
| 80 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | #define MACHINE_HAS_SCLP (!MACHINE_IS_P390) |
Michael Holzheu | 411ed32 | 2007-04-27 16:01:49 +0200 | [diff] [blame] | 82 | #define ZFCPDUMP_HSA_SIZE (32UL<<20) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
| 84 | /* |
| 85 | * Console mode. Override with conmode= |
| 86 | */ |
| 87 | extern unsigned int console_mode; |
| 88 | extern unsigned int console_devno; |
| 89 | extern unsigned int console_irq; |
| 90 | |
Heiko Carstens | 2b67fc4 | 2007-02-05 21:16:47 +0100 | [diff] [blame] | 91 | extern char vmhalt_cmd[]; |
| 92 | extern char vmpoff_cmd[]; |
| 93 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | #define CONSOLE_IS_UNDEFINED (console_mode == 0) |
| 95 | #define CONSOLE_IS_SCLP (console_mode == 1) |
| 96 | #define CONSOLE_IS_3215 (console_mode == 2) |
| 97 | #define CONSOLE_IS_3270 (console_mode == 3) |
| 98 | #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) |
| 99 | #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) |
| 100 | #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) |
| 101 | |
Hongjie Yang | fe355b7 | 2007-02-05 21:18:24 +0100 | [diff] [blame] | 102 | #define NSS_NAME_SIZE 8 |
Hongjie Yang | fe355b7 | 2007-02-05 21:18:24 +0100 | [diff] [blame] | 103 | extern char kernel_nss_name[]; |
| 104 | |
Heiko Carstens | 0defa3c | 2006-02-11 17:56:03 -0800 | [diff] [blame] | 105 | #else /* __ASSEMBLY__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
| 107 | #ifndef __s390x__ |
| 108 | #define IPL_DEVICE 0x10404 |
| 109 | #define INITRD_START 0x1040C |
| 110 | #define INITRD_SIZE 0x10414 |
| 111 | #else /* __s390x__ */ |
| 112 | #define IPL_DEVICE 0x10400 |
| 113 | #define INITRD_START 0x10408 |
| 114 | #define INITRD_SIZE 0x10410 |
| 115 | #endif /* __s390x__ */ |
| 116 | #define COMMAND_LINE 0x10480 |
| 117 | |
Heiko Carstens | 0defa3c | 2006-02-11 17:56:03 -0800 | [diff] [blame] | 118 | #endif /* __ASSEMBLY__ */ |
| 119 | #endif /* __KERNEL__ */ |
| 120 | #endif /* _ASM_S390_SETUP_H */ |