include/asm-ppc/amigappc.h

   1 /*
   2 ** asm-ppc/amigappc.h -- This header defines some values and pointers for
   3 **                        the Phase 5 PowerUp card.
   4 **
   5 ** Copyright 1997, 1998 by Phase5, Germany.
   6 **
   7 ** This file is subject to the terms and conditions of the GNU General Public
   8 ** License.  See the file COPYING in the main directory of this archive
   9 ** for more details.
  10 **
  11 ** Created: 7/22/97 by Jesper Skov
  12 */
  13
  14 #ifdef __KERNEL__
  15 #ifndef _M68K_AMIGAPPC_H
  16 #define _M68K_AMIGAPPC_H
  17
  18 #ifndef __ASSEMBLY__
  19
  20 /* #include <asm/system.h> */
  21 #define mb()  __asm__ __volatile__ ("sync" : : : "memory")
  22
  23 #define APUS_WRITE(_a_, _v_)                            \
  24 do {                                                    \
  25         (*((volatile unsigned char *)(_a_)) = (_v_));   \
  26         mb();                                           \
  27 } while (0)
  28
  29 #define APUS_READ(_a_, _v_)                             \
  30 do {                                                    \
  31         (_v_) = (*((volatile unsigned char *)(_a_)));   \
  32         mb();                                           \
  33 } while (0)
  34 #endif /* ndef __ASSEMBLY__ */
  35
  36 /* Maybe add a [#ifdef WANT_ZTWOBASE] condition to amigahw.h? */
  37 #define zTwoBase (0x80000000)
  38
  39 #define APUS_IPL_BASE           (zTwoBase + 0x00f60000)
  40 #define APUS_REG_RESET          (APUS_IPL_BASE + 0x00)
  41 #define APUS_REG_WAITSTATE      (APUS_IPL_BASE + 0x10)
  42 #define APUS_REG_SHADOW         (APUS_IPL_BASE + 0x18)
  43 #define APUS_REG_LOCK           (APUS_IPL_BASE + 0x20)
  44 #define APUS_REG_INT            (APUS_IPL_BASE + 0x28)
  45 #define APUS_IPL_EMU            (APUS_IPL_BASE + 0x30)
  46 #define APUS_INT_LVL            (APUS_IPL_BASE + 0x38)
  47
  48 #define REGSHADOW_SETRESET      (0x80)
  49 #define REGSHADOW_SELFRESET     (0x40)
  50
  51 #define REGLOCK_SETRESET        (0x80)
  52 #define REGLOCK_BLACKMAGICK1    (0x40)
  53 #define REGLOCK_BLACKMAGICK2    (0x20)
  54 #define REGLOCK_BLACKMAGICK3    (0x10)
  55
  56 #define REGWAITSTATE_SETRESET   (0x80)
  57 #define REGWAITSTATE_PPCW       (0x08)
  58 #define REGWAITSTATE_PPCR       (0x04)
  59
  60 #define REGRESET_SETRESET       (0x80)
  61 #define REGRESET_PPCRESET       (0x10)
  62 #define REGRESET_M68KRESET      (0x08)
  63 #define REGRESET_AMIGARESET     (0x04)
  64 #define REGRESET_AUXRESET       (0x02)
  65 #define REGRESET_SCSIRESET      (0x01)
  66
  67 #define REGINT_SETRESET         (0x80)
  68 #define REGINT_ENABLEIPL        (0x02)
  69 #define REGINT_INTMASTER        (0x01)
  70
  71 #define IPLEMU_SETRESET         (0x80)
  72 #define IPLEMU_DISABLEINT       (0x40)
  73 #define IPLEMU_IPL2             (0x20)
  74 #define IPLEMU_IPL1             (0x10)
  75 #define IPLEMU_IPL0             (0x08)
  76 #define IPLEMU_PPCIPL2          (0x04)
  77 #define IPLEMU_PPCIPL1          (0x02)
  78 #define IPLEMU_PPCIPL0          (0x01)
  79 #define IPLEMU_IPLMASK          (IPLEMU_PPCIPL2|IPLEMU_PPCIPL1|IPLEMU_PPCIPL0)
  80
  81 #define INTLVL_SETRESET         (0x80)
  82 #define INTLVL_MASK             (0x7f)
  83
  84 #endif /* _M68k_AMIGAPPC_H */
  85 #endif /* __KERNEL__ */