arch/arm/mach-mt8127/include/mach/entry-macro.S

   1 #include <mach/hardware.h>
   2 #include <linux/version.h>
   3
   4 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
   5 #include <asm/hardware/gic.h>
   6 #else
   7 #include <linux/irqchip/arm-gic.h>
   8 #endif
   9
  10 #include "mt_reg_base.h"
  11 #include "irqs.h"
  12
  13 /* leave disable_fiq as an empty macro */
  14 .macro disable_fiq
  15 .endm
  16
  17 .macro  get_irqnr_preamble, base, tmp
  18     ldr \base, =GIC_CPU_BASE
  19 .endm
  20
  21 .macro  arch_ret_to_user, tmp1, tmp2
  22 .endm
  23
  24 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
  25 #if defined(CONFIG_FIQ) && !defined(CONFIG_MTK_IN_HOUSE_TEE_SUPPORT)
  26     ldr \irqstat, [\base, #GIC_CPU_AIAR] /* bits 12-10 = src CPU, 9-0 = int # */
  27 #else
  28     ldr \irqstat, [\base, #GIC_CPU_INTACK] /* bits 12-10 = src CPU, 9-0 = int # */
  29 #endif
  30     ldr \tmp, =NR_IRQS
  31     bic \irqnr, \irqstat, #0x1c00
  32
  33     /* if (irqnr >= NR_IRQS) return NO_IRQ (0) */
  34     cmp \irqnr, \tmp
  35     movcs \tmp, #0
  36     bcs BSYM(702f)
  37
  38     /* if (irqnr >= 27) return HAVE_IRQ (1) */
  39     cmp \irqnr, #(27)
  40     movcs \tmp, #1
  41     bcs BSYM(702f)
  42
  43     /* if (irqnr == FIQ_DBG_SGI) return HAVE_IRQ (1) */
  44     cmp \irqnr, #FIQ_DBG_SGI
  45     moveq \tmp, #1
  46     beq BSYM(702f)
  47
  48     /* otherwise, return NO_IRQ (0) */
  49     mov \tmp, #0
  50
  51 702:
  52     cmp \tmp, #0
  53     cmpeq \irqnr, \irqnr
  54     .endm
  55
  56 .macro test_for_ipi, irqnr, irqstat, base, tmp
  57     bic \irqnr, \irqstat, #0x1c00
  58     cmp \irqnr, #16
  59 #if defined(CONFIG_FIQ) && !defined(CONFIG_MTK_IN_HOUSE_TEE_SUPPORT)
  60     strcc \irqstat, [\base, #GIC_CPU_AEOI]
  61 #else
  62     strcc \irqstat, [\base, #GIC_CPU_EOI]
  63 #endif
  64     cmpcs \irqnr, \irqnr
  65 .endm
  66
  67 .macro test_for_ltirq, irqnr, irqstat, base, tmp
  68     bic     \irqnr, \irqstat, #0x1c00
  69     mov     \tmp, #0
  70     cmp     \irqnr, #29
  71     moveq   \tmp, #1
  72 #if defined(CONFIG_FIQ) && !defined(CONFIG_MTK_IN_HOUSE_TEE_SUPPORT)
  73     streq   \irqstat, [\base, #GIC_CPU_AEOI]
  74 #else
  75     streq   \irqstat, [\base, #GIC_CPU_EOI]
  76 #endif
  77     cmp     \tmp, #0
  78 .endm
  79 .macro test_for_wdtirq, irqnr, irqstat, base, tmp
  80     bic     \irqnr, \irqstat, #0x1c00
  81     mov     \tmp, #0
  82     cmp     \irqnr, #30
  83     moveq   \tmp, #1
  84 #if defined(CONFIG_FIQ) && !defined(CONFIG_MTK_IN_HOUSE_TEE_SUPPORT)
  85     streq   \irqstat, [\base, #GIC_CPU_AEOI]
  86 #else
  87     streq   \irqstat, [\base, #GIC_CPU_EOI]
  88 #endif
  89     cmp     \tmp, #0
  90 .endm
  91