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