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 #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_KVM        (1UL << 8)
  63 #define MACHINE_FLAG_ESOP       (1UL << 9)
  64 #define MACHINE_FLAG_EDAT1      (1UL << 10)
  65 #define MACHINE_FLAG_EDAT2      (1UL << 11)
  66 #define MACHINE_FLAG_LPAR       (1UL << 12)
  67 #define MACHINE_FLAG_LPP        (1UL << 13)
  68 #define MACHINE_FLAG_TOPOLOGY   (1UL << 14)
  69 #define MACHINE_FLAG_TE         (1UL << 15)
  70 #define MACHINE_FLAG_RRBM       (1UL << 16)
  71 #define MACHINE_FLAG_TLB_LC     (1UL << 17)
  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_EDAT1       (0)
  89 #define MACHINE_HAS_EDAT2       (0)
  90 #define MACHINE_HAS_LPP         (0)
  91 #define MACHINE_HAS_TOPOLOGY    (0)
  92 #define MACHINE_HAS_TE          (0)
  93 #define MACHINE_HAS_RRBM        (0)
  94 #define MACHINE_HAS_TLB_LC      (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_EDAT1       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
 102 #define MACHINE_HAS_EDAT2       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
 103 #define MACHINE_HAS_LPP         (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
 104 #define MACHINE_HAS_TOPOLOGY    (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
 105 #define MACHINE_HAS_TE          (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
 106 #define MACHINE_HAS_RRBM        (S390_lowcore.machine_flags & MACHINE_FLAG_RRBM)
 107 #define MACHINE_HAS_TLB_LC      (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
 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 */