1/* 2 * S390 version 3 * Copyright IBM Corp. 1999, 2010 4 */ 5#ifndef _ASM_S390_SETUP_H 6#define _ASM_S390_SETUP_H 7 8#include <uapi/asm/setup.h> 9 10 11#define PARMAREA 0x10400 12#define MEMORY_CHUNKS 256 13 14#ifndef __ASSEMBLY__ 15 16#include <asm/lowcore.h> 17#include <asm/types.h> 18 19#ifndef CONFIG_64BIT 20#define IPL_DEVICE (*(unsigned long *) (0x10404)) 21#define INITRD_START (*(unsigned long *) (0x1040C)) 22#define INITRD_SIZE (*(unsigned long *) (0x10414)) 23#define OLDMEM_BASE (*(unsigned long *) (0x1041C)) 24#define OLDMEM_SIZE (*(unsigned long *) (0x10424)) 25#else /* CONFIG_64BIT */ 26#define IPL_DEVICE (*(unsigned long *) (0x10400)) 27#define INITRD_START (*(unsigned long *) (0x10408)) 28#define INITRD_SIZE (*(unsigned long *) (0x10410)) 29#define OLDMEM_BASE (*(unsigned long *) (0x10418)) 30#define OLDMEM_SIZE (*(unsigned long *) (0x10420)) 31#endif /* CONFIG_64BIT */ 32#define COMMAND_LINE ((char *) (0x10480)) 33 34#define CHUNK_READ_WRITE 0 35#define CHUNK_READ_ONLY 1 36 37struct mem_chunk { 38 unsigned long addr; 39 unsigned long size; 40 int type; 41}; 42 43extern struct mem_chunk memory_chunk[]; 44extern int memory_end_set; 45extern unsigned long memory_end; 46 47void detect_memory_layout(struct mem_chunk chunk[], unsigned long maxsize); 48void create_mem_hole(struct mem_chunk mem_chunk[], unsigned long addr, 49 unsigned long size); 50 51#define PRIMARY_SPACE_MODE 0 52#define ACCESS_REGISTER_MODE 1 53#define SECONDARY_SPACE_MODE 2 54#define HOME_SPACE_MODE 3 55 56extern unsigned int s390_user_mode; 57 58/* 59 * Machine features detected in head.S 60 */ 61 62#define MACHINE_FLAG_VM (1UL << 0) 63#define MACHINE_FLAG_IEEE (1UL << 1) 64#define MACHINE_FLAG_CSP (1UL << 2) 65#define MACHINE_FLAG_MVPG (1UL << 3) 66#define MACHINE_FLAG_DIAG44 (1UL << 4) 67#define MACHINE_FLAG_IDTE (1UL << 5) 68#define MACHINE_FLAG_DIAG9C (1UL << 6) 69#define MACHINE_FLAG_MVCOS (1UL << 7) 70#define MACHINE_FLAG_KVM (1UL << 8) 71#define MACHINE_FLAG_ESOP (1UL << 9) 72#define MACHINE_FLAG_EDAT1 (1UL << 10) 73#define MACHINE_FLAG_EDAT2 (1UL << 11) 74#define MACHINE_FLAG_LPAR (1UL << 12) 75#define MACHINE_FLAG_LPP (1UL << 13) 76#define MACHINE_FLAG_TOPOLOGY (1UL << 14) 77#define MACHINE_FLAG_TE (1UL << 15) 78#define MACHINE_FLAG_RRBM (1UL << 16) 79 80#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) 81#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) 82#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) 83 84#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) 85#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP) 86#define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1 87#define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1 88 89#ifndef CONFIG_64BIT 90#define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE) 91#define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP) 92#define MACHINE_HAS_IDTE (0) 93#define MACHINE_HAS_DIAG44 (1) 94#define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG) 95#define MACHINE_HAS_MVCOS (0) 96#define MACHINE_HAS_EDAT1 (0) 97#define MACHINE_HAS_EDAT2 (0) 98#define MACHINE_HAS_LPP (0) 99#define MACHINE_HAS_TOPOLOGY (0) 100#define MACHINE_HAS_TE (0) 101#define MACHINE_HAS_RRBM (0) 102#else /* CONFIG_64BIT */ 103#define MACHINE_HAS_IEEE (1) 104#define MACHINE_HAS_CSP (1) 105#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) 106#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44) 107#define MACHINE_HAS_MVPG (1) 108#define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS) 109#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1) 110#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2) 111#define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP) 112#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) 113#define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE) 114#define MACHINE_HAS_RRBM (S390_lowcore.machine_flags & MACHINE_FLAG_RRBM) 115#endif /* CONFIG_64BIT */ 116 117#define ZFCPDUMP_HSA_SIZE (32UL<<20) 118#define ZFCPDUMP_HSA_SIZE_MAX (64UL<<20) 119 120/* 121 * Console mode. Override with conmode= 122 */ 123extern unsigned int console_mode; 124extern unsigned int console_devno; 125extern unsigned int console_irq; 126 127extern char vmhalt_cmd[]; 128extern char vmpoff_cmd[]; 129 130#define CONSOLE_IS_UNDEFINED (console_mode == 0) 131#define CONSOLE_IS_SCLP (console_mode == 1) 132#define CONSOLE_IS_3215 (console_mode == 2) 133#define CONSOLE_IS_3270 (console_mode == 3) 134#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) 135#define SET_CONSOLE_3215 do { console_mode = 2; } while (0) 136#define SET_CONSOLE_3270 do { console_mode = 3; } while (0) 137 138#define NSS_NAME_SIZE 8 139extern char kernel_nss_name[]; 140 141#ifdef CONFIG_PFAULT 142extern int pfault_init(void); 143extern void pfault_fini(void); 144#else /* CONFIG_PFAULT */ 145#define pfault_init() ({-1;}) 146#define pfault_fini() do { } while (0) 147#endif /* CONFIG_PFAULT */ 148 149extern void cmma_init(void); 150 151extern void (*_machine_restart)(char *command); 152extern void (*_machine_halt)(void); 153extern void (*_machine_power_off)(void); 154 155#else /* __ASSEMBLY__ */ 156 157#ifndef CONFIG_64BIT 158#define IPL_DEVICE 0x10404 159#define INITRD_START 0x1040C 160#define INITRD_SIZE 0x10414 161#define OLDMEM_BASE 0x1041C 162#define OLDMEM_SIZE 0x10424 163#else /* CONFIG_64BIT */ 164#define IPL_DEVICE 0x10400 165#define INITRD_START 0x10408 166#define INITRD_SIZE 0x10410 167#define OLDMEM_BASE 0x10418 168#define OLDMEM_SIZE 0x10420 169#endif /* CONFIG_64BIT */ 170#define COMMAND_LINE 0x10480 171 172#endif /* __ASSEMBLY__ */ 173#endif /* _ASM_S390_SETUP_H */ 174