2 * include/asm-s390/setup.h
5 * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
8 #ifndef _ASM_S390_SETUP_H
9 #define _ASM_S390_SETUP_H
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 */
20 #define IPL_DEVICE (*(unsigned long *) (0x10404))
21 #define INITRD_START (*(unsigned long *) (0x1040C))
22 #define INITRD_SIZE (*(unsigned long *) (0x10414))
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))
31 * Machine features detected in head.S
33 extern unsigned long machine_flags;
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_NEW_STIDP (machine_flags & 64)
40 #define MACHINE_HAS_IDTE (machine_flags & 128)
43 #define MACHINE_HAS_IEEE (machine_flags & 2)
44 #define MACHINE_HAS_CSP (machine_flags & 8)
46 #define MACHINE_HAS_IEEE (1)
47 #define MACHINE_HAS_CSP (1)
48 #endif /* __s390x__ */
51 #define MACHINE_HAS_SCLP (!MACHINE_IS_P390)
54 * Console mode. Override with conmode=
56 extern unsigned int console_mode;
57 extern unsigned int console_device;
58 extern unsigned int console_irq;
60 #define CONSOLE_IS_UNDEFINED (console_mode == 0)
61 #define CONSOLE_IS_SCLP (console_mode == 1)
62 #define CONSOLE_IS_3215 (console_mode == 2)
63 #define CONSOLE_IS_3270 (console_mode == 3)
64 #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
65 #define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
66 #define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
71 #define IPL_DEVICE 0x10404
72 #define INITRD_START 0x1040C
73 #define INITRD_SIZE 0x10414
75 #define IPL_DEVICE 0x10400
76 #define INITRD_START 0x10408
77 #define INITRD_SIZE 0x10410
78 #endif /* __s390x__ */
79 #define COMMAND_LINE 0x10480