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