include/asm-arm/hardware/entry-macro-iomd.S

   1 /*
   2  * arch/arm/commond/entry-macro-iomd.S
   3  *
   4  * Low-level IRQ helper macros for IOC/IOMD based platforms
   5  *
   6  * This file is licensed under  the terms of the GNU General Public
   7  * License version 2. This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10
  11 /* IOC / IOMD based hardware */
  12 #include <asm/hardware/iomd.h>
  13
  14                 .equ    ioc_base_high, IOC_BASE & 0xff000000
  15                 .equ    ioc_base_low, IOC_BASE & 0x00ff0000
  16                 .macro  disable_fiq
  17                 mov     r12, #ioc_base_high
  18                 .if     ioc_base_low
  19                 orr     r12, r12, #ioc_base_low
  20                 .endif
  21                 strb    r12, [r12, #0x38]       @ Disable FIQ register
  22                 .endm
  23
  24                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
  25                 mov     r4, #ioc_base_high              @ point at IOC
  26                 .if     ioc_base_low
  27                 orr     r4, r4, #ioc_base_low
  28                 .endif
  29                 ldrb    \irqstat, [r4, #IOMD_IRQREQB]   @ get high priority first
  30                 ldr     \base, =irq_prio_h
  31                 teq     \irqstat, #0
  32 #ifdef IOMD_BASE
  33                 ldreqb  \irqstat, [r4, #IOMD_DMAREQ]    @ get dma
  34                 addeq   \base, \base, #256              @ irq_prio_h table size
  35                 teqeq   \irqstat, #0
  36                 bne     2406f
  37 #endif
  38                 ldreqb  \irqstat, [r4, #IOMD_IRQREQA]   @ get low priority
  39                 addeq   \base, \base, #256              @ irq_prio_d table size
  40                 teqeq   \irqstat, #0
  41 #ifdef IOMD_IRQREQC
  42                 ldreqb  \irqstat, [r4, #IOMD_IRQREQC]
  43                 addeq   \base, \base, #256              @ irq_prio_l table size
  44                 teqeq   \irqstat, #0
  45 #endif
  46 #ifdef IOMD_IRQREQD
  47                 ldreqb  \irqstat, [r4, #IOMD_IRQREQD]
  48                 addeq   \base, \base, #256              @ irq_prio_lc table size
  49                 teqeq   \irqstat, #0
  50 #endif
  51 2406:           ldrneb  \irqnr, [\base, \irqstat]       @ get IRQ number
  52                 .endm
  53
  54 /*
  55  * Interrupt table (incorporates priority).  Please note that we
  56  * rely on the order of these tables (see above code).
  57  */
  58                 .align  5
  59 irq_prio_h:     .byte    0, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10
  60                 .byte   12, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10
  61                 .byte   13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
  62                 .byte   13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
  63                 .byte   14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10
  64                 .byte   14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10
  65                 .byte   13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
  66                 .byte   13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
  67                 .byte   15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
  68                 .byte   15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
  69                 .byte   13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
  70                 .byte   13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
  71                 .byte   15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
  72                 .byte   15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10
  73                 .byte   13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
  74                 .byte   13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10
  75 #ifdef IOMD_BASE
  76 irq_prio_d:     .byte    0,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  77                 .byte   20,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  78                 .byte   21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  79                 .byte   21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  80                 .byte   22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  81                 .byte   22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  82                 .byte   21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  83                 .byte   21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  84                 .byte   23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  85                 .byte   23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  86                 .byte   21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  87                 .byte   21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  88                 .byte   22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  89                 .byte   22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  90                 .byte   21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  91                 .byte   21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16
  92 #endif
  93 irq_prio_l:     .byte    0, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3
  94                 .byte    4, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3
  95                 .byte    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
  96                 .byte    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
  97                 .byte    6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3
  98                 .byte    6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3
  99                 .byte    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
 100                 .byte    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5
 101                 .byte    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
 102                 .byte    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
 103                 .byte    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
 104                 .byte    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
 105                 .byte    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
 106                 .byte    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
 107                 .byte    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
 108                 .byte    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
 109 #ifdef IOMD_IRQREQC
 110 irq_prio_lc:    .byte   24,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27
 111                 .byte   28,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27
 112                 .byte   29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
 113                 .byte   29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
 114                 .byte   30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27
 115                 .byte   30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27
 116                 .byte   29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
 117                 .byte   29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29
 118                 .byte   31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
 119                 .byte   31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
 120                 .byte   31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
 121                 .byte   31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
 122                 .byte   31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
 123                 .byte   31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
 124                 .byte   31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
 125                 .byte   31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31
 126 #endif
 127 #ifdef IOMD_IRQREQD
 128 irq_prio_ld:    .byte   40,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43
 129                 .byte   44,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43
 130                 .byte   45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
 131                 .byte   45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
 132                 .byte   46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43
 133                 .byte   46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43
 134                 .byte   45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
 135                 .byte   45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45
 136                 .byte   47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
 137                 .byte   47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
 138                 .byte   47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
 139                 .byte   47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
 140                 .byte   47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
 141                 .byte   47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
 142                 .byte   47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
 143                 .byte   47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47
 144 #endif
 145