1 /* 2 * S390 version 3 * Copyright IBM Corp. 1999, 2010 4 */ 5 6 #ifndef _ASM_S390_SETUP_H 7 #define _ASM_S390_SETUP_H 8 9 #define COMMAND_LINE_SIZE 4096 10 11 #define ARCH_COMMAND_LINE_SIZE 896 12 13 #ifdef __KERNEL__ 14 15 #define PARMAREA 0x10400 16 #define MEMORY_CHUNKS 256 17 18 #ifndef __ASSEMBLY__ 19 20 #include <asm/lowcore.h> 21 #include <asm/types.h> 22 23 #ifndef CONFIG_64BIT 24 #define IPL_DEVICE (*(unsigned long *) (0x10404)) 25 #define INITRD_START (*(unsigned long *) (0x1040C)) 26 #define INITRD_SIZE (*(unsigned long *) (0x10414)) 27 #define OLDMEM_BASE (*(unsigned long *) (0x1041C)) 28 #define OLDMEM_SIZE (*(unsigned long *) (0x10424)) 29 #else /* CONFIG_64BIT */ 30 #define IPL_DEVICE (*(unsigned long *) (0x10400)) 31 #define INITRD_START (*(unsigned long *) (0x10408)) 32 #define INITRD_SIZE (*(unsigned long *) (0x10410)) 33 #define OLDMEM_BASE (*(unsigned long *) (0x10418)) 34 #define OLDMEM_SIZE (*(unsigned long *) (0x10420)) 35 #endif /* CONFIG_64BIT */ 36 #define COMMAND_LINE ((char *) (0x10480)) 37 38 #define CHUNK_READ_WRITE 0 39 #define CHUNK_READ_ONLY 1 40 #define CHUNK_OLDMEM 4 41 #define CHUNK_CRASHK 5 42 43 struct mem_chunk { 44 unsigned long addr; 45 unsigned long size; 46 int type; 47 }; 48 49 extern struct mem_chunk memory_chunk[]; 50 extern unsigned long real_memory_size; 51 extern int memory_end_set; 52 extern unsigned long memory_end; 53 54 void detect_memory_layout(struct mem_chunk chunk[]); 55 void create_mem_hole(struct mem_chunk memory_chunk[], unsigned long addr, 56 unsigned long size, int type); 57 58 #define PRIMARY_SPACE_MODE 0 59 #define ACCESS_REGISTER_MODE 1 60 #define SECONDARY_SPACE_MODE 2 61 #define HOME_SPACE_MODE 3 62 63 extern unsigned int addressing_mode; 64 65 /* 66 * Machine features detected in head.S 67 */ 68 69 #define MACHINE_FLAG_VM (1UL << 0) 70 #define MACHINE_FLAG_IEEE (1UL << 1) 71 #define MACHINE_FLAG_CSP (1UL << 3) 72 #define MACHINE_FLAG_MVPG (1UL << 4) 73 #define MACHINE_FLAG_DIAG44 (1UL << 5) 74 #define MACHINE_FLAG_IDTE (1UL << 6) 75 #define MACHINE_FLAG_DIAG9C (1UL << 7) 76 #define MACHINE_FLAG_MVCOS (1UL << 8) 77 #define MACHINE_FLAG_KVM (1UL << 9) 78 #define MACHINE_FLAG_HPAGE (1UL << 10) 79 #define MACHINE_FLAG_PFMF (1UL << 11) 80 #define MACHINE_FLAG_LPAR (1UL << 12) 81 #define MACHINE_FLAG_SPP (1UL << 13) 82 #define MACHINE_FLAG_TOPOLOGY (1UL << 14) 83 84 #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) 85 #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) 86 #define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) 87 88 #define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) 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_HPAGE (0) 98 #define MACHINE_HAS_PFMF (0) 99 #define MACHINE_HAS_SPP (0) 100 #define MACHINE_HAS_TOPOLOGY (0) 101 #else /* CONFIG_64BIT */ 102 #define MACHINE_HAS_IEEE (1) 103 #define MACHINE_HAS_CSP (1) 104 #define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) 105 #define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44) 106 #define MACHINE_HAS_MVPG (1) 107 #define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS) 108 #define MACHINE_HAS_HPAGE (S390_lowcore.machine_flags & MACHINE_FLAG_HPAGE) 109 #define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF) 110 #define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) 111 #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) 112 #endif /* CONFIG_64BIT */ 113 114 #define ZFCPDUMP_HSA_SIZE (32UL<<20) 115 #define ZFCPDUMP_HSA_SIZE_MAX (64UL<<20) 116 117 /* 118 * Console mode. Override with conmode= 119 */ 120 extern unsigned int console_mode; 121 extern unsigned int console_devno; 122 extern unsigned int console_irq; 123 124 extern char vmhalt_cmd[]; 125 extern char vmpoff_cmd[]; 126 127 #define CONSOLE_IS_UNDEFINED (console_mode == 0) 128 #define CONSOLE_IS_SCLP (console_mode == 1) 129 #define CONSOLE_IS_3215 (console_mode == 2) 130 #define CONSOLE_IS_3270 (console_mode == 3) 131 #define SET_CONSOLE_SCLP do { console_mode = 1; } while (0) 132 #define SET_CONSOLE_3215 do { console_mode = 2; } while (0) 133 #define SET_CONSOLE_3270 do { console_mode = 3; } while (0) 134 135 #define NSS_NAME_SIZE 8 136 extern char kernel_nss_name[]; 137 138 #ifdef CONFIG_PFAULT 139 extern int pfault_init(void); 140 extern void pfault_fini(void); 141 #else /* CONFIG_PFAULT */ 142 #define pfault_init() ({-1;}) 143 #define pfault_fini() do { } while (0) 144 #endif /* CONFIG_PFAULT */ 145 146 extern void cmma_init(void); 147 148 extern void (*_machine_restart)(char *command); 149 extern void (*_machine_halt)(void); 150 extern void (*_machine_power_off)(void); 151 152 #else /* __ASSEMBLY__ */ 153 154 #ifndef CONFIG_64BIT 155 #define IPL_DEVICE 0x10404 156 #define INITRD_START 0x1040C 157 #define INITRD_SIZE 0x10414 158 #define OLDMEM_BASE 0x1041C 159 #define OLDMEM_SIZE 0x10424 160 #else /* CONFIG_64BIT */ 161 #define IPL_DEVICE 0x10400 162 #define INITRD_START 0x10408 163 #define INITRD_SIZE 0x10410 164 #define OLDMEM_BASE 0x10418 165 #define OLDMEM_SIZE 0x10420 166 #endif /* CONFIG_64BIT */ 167 #define COMMAND_LINE 0x10480 168 169 #endif /* __ASSEMBLY__ */ 170 #endif /* __KERNEL__ */ 171 #endif /* _ASM_S390_SETUP_H */ 172