arch/s390/include/asm/setup.h

   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 */