diff options
Diffstat (limited to 'include/asm-s390/setup.h')
-rw-r--r-- | include/asm-s390/setup.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h new file mode 100644 index 00000000000..0d51c484c2e --- /dev/null +++ b/include/asm-s390/setup.h @@ -0,0 +1,82 @@ +/* + * include/asm-s390/setup.h + * + * S390 version + * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation + */ + +#ifndef _ASM_S390_SETUP_H +#define _ASM_S390_SETUP_H + +#define PARMAREA 0x10400 +#define COMMAND_LINE_SIZE 896 +#define RAMDISK_ORIGIN 0x800000 +#define RAMDISK_SIZE 0x800000 +#define MEMORY_CHUNKS 16 /* max 0x7fff */ + +#ifndef __ASSEMBLY__ + +#ifndef __s390x__ +#define IPL_DEVICE (*(unsigned long *) (0x10404)) +#define INITRD_START (*(unsigned long *) (0x1040C)) +#define INITRD_SIZE (*(unsigned long *) (0x10414)) +#else /* __s390x__ */ +#define IPL_DEVICE (*(unsigned long *) (0x10400)) +#define INITRD_START (*(unsigned long *) (0x10408)) +#define INITRD_SIZE (*(unsigned long *) (0x10410)) +#endif /* __s390x__ */ +#define COMMAND_LINE ((char *) (0x10480)) + +/* + * Machine features detected in head.S + */ +extern unsigned long machine_flags; + +#define MACHINE_IS_VM (machine_flags & 1) +#define MACHINE_IS_P390 (machine_flags & 4) +#define MACHINE_HAS_MVPG (machine_flags & 16) +#define MACHINE_HAS_DIAG44 (machine_flags & 32) +#define MACHINE_HAS_IDTE (machine_flags & 128) + +#ifndef __s390x__ +#define MACHINE_HAS_IEEE (machine_flags & 2) +#define MACHINE_HAS_CSP (machine_flags & 8) +#else /* __s390x__ */ +#define MACHINE_HAS_IEEE (1) +#define MACHINE_HAS_CSP (1) +#endif /* __s390x__ */ + + +#define MACHINE_HAS_SCLP (!MACHINE_IS_P390) + +/* + * Console mode. Override with conmode= + */ +extern unsigned int console_mode; +extern unsigned int console_devno; +extern unsigned int console_irq; + +#define CONSOLE_IS_UNDEFINED (console_mode == 0) +#define CONSOLE_IS_SCLP (console_mode == 1) +#define CONSOLE_IS_3215 (console_mode == 2) +#define CONSOLE_IS_3270 (console_mode == 3) +#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) +#define SET_CONSOLE_3215 do { console_mode = 2; } while (0) +#define SET_CONSOLE_3270 do { console_mode = 3; } while (0) + +#else + +#ifndef __s390x__ +#define IPL_DEVICE 0x10404 +#define INITRD_START 0x1040C +#define INITRD_SIZE 0x10414 +#else /* __s390x__ */ +#define IPL_DEVICE 0x10400 +#define INITRD_START 0x10408 +#define INITRD_SIZE 0x10410 +#endif /* __s390x__ */ +#define COMMAND_LINE 0x10480 + +#endif + +#endif |