/* *  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 #ifdef __KERNEL__ #include <asm/types.h> #define PARMAREA		0x10400#define COMMAND_LINE_SIZE 	896#define RAMDISK_ORIGIN		0x800000#define RAMDISK_SIZE		0x800000#define MEMORY_CHUNKS		16	/* max 0x7fff */#define IPL_PARMBLOCK_ORIGIN	0x2000 #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) struct ipl_list_header {	u32 length;	u8  reserved[3];	u8  version;} __attribute__((packed)); struct ipl_block_fcp {	u32 length;	u8  pbt;	u8  reserved1[322-1];	u16 devno;	u8  reserved2[4];	u64 wwpn;	u64 lun;	u32 bootprog;	u8  reserved3[12];	u64 br_lba;	u32 scp_data_len;	u8  reserved4[260];	u8  scp_data[];} __attribute__((packed)); struct ipl_parameter_block {	union {		u32 length;		struct ipl_list_header header;	} hdr;	struct ipl_block_fcp fcp;} __attribute__((packed)); #define IPL_MAX_SUPPORTED_VERSION (0) #define IPL_TYPE_FCP (0) /* * IPL validity flags and parameters as detected in head.S */extern u32 ipl_parameter_flags;extern u16 ipl_devno; #define IPL_DEVNO_VALID		(ipl_parameter_flags & 1)#define IPL_PARMBLOCK_VALID	(ipl_parameter_flags & 2) #define IPL_PARMBLOCK_START	((struct ipl_parameter_block *) \				 IPL_PARMBLOCK_ORIGIN)#define IPL_PARMBLOCK_SIZE	(IPL_PARMBLOCK_START->hdr.length) #else /* __ASSEMBLY__ */ #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 /* __ASSEMBLY__ */#endif /* __KERNEL__ */#endif /* _ASM_S390_SETUP_H */