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 #define CHUNK_OLDMEM 4 37 #define CHUNK_CRASHK 5 38 39 struct mem_chunk { 40 unsigned long addr; 41 unsigned long size; 42 int type; 43 }; 44 45 extern struct mem_chunk memory_chunk[]; 46 extern unsigned long real_memory_size; 47 extern int memory_end_set; 48 extern unsigned long memory_end; 49 50 void detect_memory_layout(struct mem_chunk chunk[]); 51 void create_mem_hole(struct mem_chunk memory_chunk[], unsigned long addr, 52 unsigned long size, int type); 53 54 #define PRIMARY_SPACE_MODE 0 55 #define ACCESS_REGISTER_MODE 1 56 #define SECONDARY_SPACE_MODE 2 57 #define HOME_SPACE_MODE 3 58 59 extern unsigned int s390_user_mode; 60 61 /* 62 * Machine features detected in head.S 63 */ 64 65 #define MACHINE_FLAG_VM (1UL << 0) 66 #define MACHINE_FLAG_IEEE (1UL << 1) 67 #define MACHINE_FLAG_CSP (1UL << 3) 68 #define MACHINE_FLAG_MVPG (1UL << 4) 69 #define MACHINE_FLAG_DIAG44 (1UL << 5) 70 #define MACHINE_FLAG_IDTE (1UL << 6) 71 #define MACHINE_FLAG_DIAG9C (1UL << 7) 72 #define MACHINE_FLAG_MVCOS (1UL << 8) 73 #define MACHINE_FLAG_KVM (1UL << 9) 74 #define MACHINE_FLAG_EDAT1 (1UL << 10) 75 #define MACHINE_FLAG_EDAT2 (1UL << 11) 76 #define MACHINE_FLAG_LPAR (1UL << 12) 77 #define MACHINE_FLAG_SPP (1UL << 13) 78 #define MACHINE_FLAG_TOPOLOGY (1UL << 14) 79 #define MACHINE_FLAG_TE (1UL << 15) 80 #define MACHINE_FLAG_RRBM (1UL << 16) 81 82 #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) 83 #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) 84 #define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) 85 86 #define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) 87 #define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1 88 #define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1 89 90 #ifndef CONFIG_64BIT 91 #define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE) 92 #define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP) 93 #define MACHINE_HAS_IDTE (0) 94 #define MACHINE_HAS_DIAG44 (1) 95 #define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG) 96 #define MACHINE_HAS_MVCOS (0) 97 #define MACHINE_HAS_EDAT1 (0) 98 #define MACHINE_HAS_EDAT2 (0) 99 #define MACHINE_HAS_SPP (0) 100 #define MACHINE_HAS_TOPOLOGY (0) 101 #define MACHINE_HAS_TE (0) 102 #define MACHINE_HAS_RRBM (0) 103 #else /* CONFIG_64BIT */ 104 #define MACHINE_HAS_IEEE (1) 105 #define MACHINE_HAS_CSP (1) 106 #define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) 107 #define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44) 108 #define MACHINE_HAS_MVPG (1) 109 #define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS) 110 #define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1) 111 #define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2) 112 #define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) 113 #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) 114 #define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE) 115 #define MACHINE_HAS_RRBM (S390_lowcore.machine_flags & MACHINE_FLAG_RRBM) 116 #endif /* CONFIG_64BIT */ 117 118 #define ZFCPDUMP_HSA_SIZE (32UL<<20) 119 #define ZFCPDUMP_HSA_SIZE_MAX (64UL<<20) 120 121 /* 122 * Console mode. Override with conmode= 123 */ 124 extern unsigned int console_mode; 125 extern unsigned int console_devno; 126 extern unsigned int console_irq; 127 128 extern char vmhalt_cmd[]; 129 extern char vmpoff_cmd[]; 130 131 #define CONSOLE_IS_UNDEFINED (console_mode == 0) 132 #define CONSOLE_IS_SCLP (console_mode == 1) 133 #define CONSOLE_IS_3215 (console_mode == 2) 134 #define CONSOLE_IS_3270 (console_mode == 3) 135 #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) 136 #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) 137 #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) 138 139 #define NSS_NAME_SIZE 8 140 extern char kernel_nss_name[]; 141 142 #ifdef CONFIG_PFAULT 143 extern int pfault_init(void); 144 extern void pfault_fini(void); 145 #else /* CONFIG_PFAULT */ 146 #define pfault_init() ({-1;}) 147 #define pfault_fini() do { } while (0) 148 #endif /* CONFIG_PFAULT */ 149 150 extern void cmma_init(void); 151 152 extern void (*_machine_restart)(char *command); 153 extern void (*_machine_halt)(void); 154 extern void (*_machine_power_off)(void); 155 156 #else /* __ASSEMBLY__ */ 157 158 #ifndef CONFIG_64BIT 159 #define IPL_DEVICE 0x10404 160 #define INITRD_START 0x1040C 161 #define INITRD_SIZE 0x10414 162 #define OLDMEM_BASE 0x1041C 163 #define OLDMEM_SIZE 0x10424 164 #else /* CONFIG_64BIT */ 165 #define IPL_DEVICE 0x10400 166 #define INITRD_START 0x10408 167 #define INITRD_SIZE 0x10410 168 #define OLDMEM_BASE 0x10418 169 #define OLDMEM_SIZE 0x10420 170 #endif /* CONFIG_64BIT */ 171 #define COMMAND_LINE 0x10480 172 173 #endif /* __ASSEMBLY__ */ 174 #endif /* _ASM_S390_SETUP_H */ 175