arch/avr32/include/asm/hmatrix-common.h

   1 /*
   2  * Copyright (C) 2008 Atmel Corporation
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6 #ifndef __ASM_AVR32_HMATRIX_COMMON_H__
   7 #define __ASM_AVR32_HMATRIX_COMMON_H__
   8
   9 /* HMATRIX register offsets */
  10 struct hmatrix_regs {
  11         u32     MCFG[16];
  12         u32     SCFG[16];
  13         struct {
  14                 u32     A;
  15                 u32     B;
  16         } PRS[16];
  17         u32     MRCR;
  18         u32     __reserved[3];
  19         u32     SFR[16];
  20 };
  21
  22 /* Bitfields in MCFG */
  23 #define HMATRIX_ULBT_OFFSET                     0
  24 #define HMATRIX_ULBT_SIZE                       3
  25
  26 /* Bitfields in SCFG */
  27 #define HMATRIX_SLOT_CYCLE_OFFSET               0
  28 #define HMATRIX_SLOT_CYCLE_SIZE                 8
  29 #define HMATRIX_DEFMSTR_TYPE_OFFSET             16
  30 #define HMATRIX_DEFMSTR_TYPE_SIZE               2
  31 #define HMATRIX_FIXED_DEFMSTR_OFFSET            18
  32 #define HMATRIX_FIXED_DEFMSTR_SIZE              4
  33 #define HMATRIX_ARBT_OFFSET                     24
  34 #define HMATRIX_ARBT_SIZE                       1
  35
  36 /* Bitfields in PRS.A */
  37 #define HMATRIX_M0PR_OFFSET                     0
  38 #define HMATRIX_M0PR_SIZE                       4
  39 #define HMATRIX_M1PR_OFFSET                     4
  40 #define HMATRIX_M1PR_SIZE                       4
  41 #define HMATRIX_M2PR_OFFSET                     8
  42 #define HMATRIX_M2PR_SIZE                       4
  43 #define HMATRIX_M3PR_OFFSET                     12
  44 #define HMATRIX_M3PR_SIZE                       4
  45 #define HMATRIX_M4PR_OFFSET                     16
  46 #define HMATRIX_M4PR_SIZE                       4
  47 #define HMATRIX_M5PR_OFFSET                     20
  48 #define HMATRIX_M5PR_SIZE                       4
  49 #define HMATRIX_M6PR_OFFSET                     24
  50 #define HMATRIX_M6PR_SIZE                       4
  51 #define HMATRIX_M7PR_OFFSET                     28
  52 #define HMATRIX_M7PR_SIZE                       4
  53
  54 /* Bitfields in PRS.B */
  55 #define HMATRIX_M8PR_OFFSET                     0
  56 #define HMATRIX_M8PR_SIZE                       4
  57 #define HMATRIX_M9PR_OFFSET                     4
  58 #define HMATRIX_M9PR_SIZE                       4
  59 #define HMATRIX_M10PR_OFFSET                    8
  60 #define HMATRIX_M10PR_SIZE                      4
  61 #define HMATRIX_M11PR_OFFSET                    12
  62 #define HMATRIX_M11PR_SIZE                      4
  63 #define HMATRIX_M12PR_OFFSET                    16
  64 #define HMATRIX_M12PR_SIZE                      4
  65 #define HMATRIX_M13PR_OFFSET                    20
  66 #define HMATRIX_M13PR_SIZE                      4
  67 #define HMATRIX_M14PR_OFFSET                    24
  68 #define HMATRIX_M14PR_SIZE                      4
  69 #define HMATRIX_M15PR_OFFSET                    28
  70 #define HMATRIX_M15PR_SIZE                      4
  71
  72 /* Constants for ULBT */
  73 #define HMATRIX_ULBT_INFINITE                   0
  74 #define HMATRIX_ULBT_SINGLE                     1
  75 #define HMATRIX_ULBT_FOUR_BEAT                  2
  76 #define HMATRIX_ULBT_EIGHT_BEAT                 3
  77 #define HMATRIX_ULBT_SIXTEEN_BEAT               4
  78
  79 /* Constants for DEFMSTR_TYPE */
  80 #define HMATRIX_DEFMSTR_TYPE_NO_DEFAULT         0
  81 #define HMATRIX_DEFMSTR_TYPE_LAST_DEFAULT       1
  82 #define HMATRIX_DEFMSTR_TYPE_FIXED_DEFAULT      2
  83
  84 /* Constants for ARBT */
  85 #define HMATRIX_ARBT_ROUND_ROBIN                0
  86 #define HMATRIX_ARBT_FIXED_PRIORITY             1
  87
  88 /* Bit manipulation macros */
  89 #define HMATRIX_BIT(name)                                       \
  90         (1 << HMATRIX_##name##_OFFSET)
  91 #define HMATRIX_BF(name,value)                                  \
  92         (((value) & ((1 << HMATRIX_##name##_SIZE) - 1))         \
  93          << HMATRIX_##name##_OFFSET)
  94 #define HMATRIX_BFEXT(name,value)                               \
  95         (((value) >> HMATRIX_##name##_OFFSET)                   \
  96          & ((1 << HMATRIX_##name##_SIZE) - 1))
  97 #define HMATRIX_BFINS(name,value,old)                           \
  98         (((old) & ~(((1 << HMATRIX_##name##_SIZE) - 1)          \
  99                     << HMATRIX_##name##_OFFSET))                \
 100          | HMATRIX_BF(name,value))
 101
 102 /* Register access macros */
 103 #define __hmatrix_reg(reg)                                      \
 104         (((volatile struct hmatrix_regs *)ATMEL_BASE_HMATRIX)->reg)
 105 #define hmatrix_read(reg)                                       \
 106         (__hmatrix_reg(reg))
 107 #define hmatrix_write(reg, value)                               \
 108         do { __hmatrix_reg(reg) = (value); } while (0)
 109
 110 #define hmatrix_slave_read(slave, reg)                          \
 111         hmatrix_read(reg[HMATRIX_SLAVE_##slave])
 112 #define hmatrix_slave_write(slave, reg, value)                  \
 113         hmatrix_write(reg[HMATRIX_SLAVE_##slave], value)
 114
 115 #endif /* __ASM_AVR32_HMATRIX_COMMON_H__ */