include/asm-arm/arch-ebsa285/entry-macro.S

   1 /*
   2  * include/asm-arm/arch-footbridge/entry-macro.S
   3  *
   4  * Low-level IRQ helper macros for footbridge-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 #include <asm/hardware/dec21285.h>
  11
  12                 .macro  disable_fiq
  13                 .endm
  14
  15                 .equ    dc21285_high, ARMCSR_BASE & 0xff000000
  16                 .equ    dc21285_low, ARMCSR_BASE & 0x00ffffff
  17
  18                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
  19                 mov     r4, #dc21285_high
  20                 .if     dc21285_low
  21                 orr     r4, r4, #dc21285_low
  22                 .endif
  23                 ldr     \irqstat, [r4, #0x180]          @ get interrupts
  24
  25                 mov     \irqnr, #IRQ_SDRAMPARITY
  26                 tst     \irqstat, #IRQ_MASK_SDRAMPARITY
  27                 bne     1001f
  28
  29                 tst     \irqstat, #IRQ_MASK_UART_RX
  30                 movne   \irqnr, #IRQ_CONRX
  31                 bne     1001f
  32
  33                 tst     \irqstat, #IRQ_MASK_DMA1
  34                 movne   \irqnr, #IRQ_DMA1
  35                 bne     1001f
  36
  37                 tst     \irqstat, #IRQ_MASK_DMA2
  38                 movne   \irqnr, #IRQ_DMA2
  39                 bne     1001f
  40
  41                 tst     \irqstat, #IRQ_MASK_IN0
  42                 movne   \irqnr, #IRQ_IN0
  43                 bne     1001f
  44
  45                 tst     \irqstat, #IRQ_MASK_IN1
  46                 movne   \irqnr, #IRQ_IN1
  47                 bne     1001f
  48
  49                 tst     \irqstat, #IRQ_MASK_IN2
  50                 movne   \irqnr, #IRQ_IN2
  51                 bne     1001f
  52
  53                 tst     \irqstat, #IRQ_MASK_IN3
  54                 movne   \irqnr, #IRQ_IN3
  55                 bne     1001f
  56
  57                 tst     \irqstat, #IRQ_MASK_PCI
  58                 movne   \irqnr, #IRQ_PCI
  59                 bne     1001f
  60
  61                 tst     \irqstat, #IRQ_MASK_DOORBELLHOST
  62                 movne   \irqnr, #IRQ_DOORBELLHOST
  63                 bne     1001f
  64
  65                 tst     \irqstat, #IRQ_MASK_I2OINPOST
  66                 movne   \irqnr, #IRQ_I2OINPOST
  67                 bne     1001f
  68
  69                 tst     \irqstat, #IRQ_MASK_TIMER1
  70                 movne   \irqnr, #IRQ_TIMER1
  71                 bne     1001f
  72
  73                 tst     \irqstat, #IRQ_MASK_TIMER2
  74                 movne   \irqnr, #IRQ_TIMER2
  75                 bne     1001f
  76
  77                 tst     \irqstat, #IRQ_MASK_TIMER3
  78                 movne   \irqnr, #IRQ_TIMER3
  79                 bne     1001f
  80
  81                 tst     \irqstat, #IRQ_MASK_UART_TX
  82                 movne   \irqnr, #IRQ_CONTX
  83                 bne     1001f
  84
  85                 tst     \irqstat, #IRQ_MASK_PCI_ABORT
  86                 movne   \irqnr, #IRQ_PCI_ABORT
  87                 bne     1001f
  88
  89                 tst     \irqstat, #IRQ_MASK_PCI_SERR
  90                 movne   \irqnr, #IRQ_PCI_SERR
  91                 bne     1001f
  92
  93                 tst     \irqstat, #IRQ_MASK_DISCARD_TIMER
  94                 movne   \irqnr, #IRQ_DISCARD_TIMER
  95                 bne     1001f
  96
  97                 tst     \irqstat, #IRQ_MASK_PCI_DPERR
  98                 movne   \irqnr, #IRQ_PCI_DPERR
  99                 bne     1001f
 100
 101                 tst     \irqstat, #IRQ_MASK_PCI_PERR
 102                 movne   \irqnr, #IRQ_PCI_PERR
 103 1001:
 104                 .endm
 105