Регистры Allwinner H616

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IOMMU_INT_CLR_REG
3.12.5. IOMMU Interrupt Clear Register - адрес: 0x30f0104 (смещение: 0x0104)

Модуль управления памятью ввода-вывода IOMMU: список регистров



31 ||||||||||||||||| 16
15 ||||||||||||||||| 00

  Unused

Bits 31 : 18

  L2_PAGE_TABLE_INVALID_CLR

Bit 17
W
0x0

Level2 page table invalid interrupt clear bit
0: Invalid operation
1: Clear interrupt


  L1_PAGE_TABLE_INVALID_CLR

Bit 16
W
0x0

Level1 page table invalid interrupt clear bit
0: Invalid operation
1: Clear interrupt


  Unused

Bits 15 : 7

  MICRO_TLB6_INVALID_CLR

Bit 6
W
0x0

Micro TLB6 permission invalid interrupt clear bit
0: Invalid operation
1: Clear interrupt


  MICRO_TLB5_INVALID_CLR

Bit 5
W
0x0

Micro TLB5 permission invalid interrupt clear bit
0: Invalid operation
1: Clear interrupt


  MICRO_TLB4_INVALID_CLR

Bit 4
W
0x0

Micro TLB4 permission invalid interrupt clear bit
0: Invalid operation
1: Clear interrupt


  MICRO_TLB3_INVALID_CLR

Bit 3
W
0x0

Micro TLB3 permission invalid interrupt clear bit
0: Invalid operation
1: Clear interrupt


  MICRO_TLB2_INVALID_CLR

Bit 2
W
0x0

Micro TLB2 permission invalid interrupt clear bit
0: Invalid operation
1: Clear interrupt


  MICRO_TLB1_INVALID_CLR

Bit 1
W
0x0

Micro TLB1 permission invalid interrupt clear bit
0: Invalid operation
1: Clear interrupt


  MICRO_TLB0_INVALID_CLR

Bit 0
W
0x0

Micro TLB0 permission invalid interrupt clear bit
0: Invalid operation
1: Clear interrupt



Команда U-Boot для чтения регистра

md 30f0104 1



Bit fields structure

typedef union  iommu_int_clr_reg
{
  struct
  {
   unsigned micro_tlb0_invalid_clr : 1;
   unsigned micro_tlb1_invalid_clr : 1;
   unsigned micro_tlb2_invalid_clr : 1;
   unsigned micro_tlb3_invalid_clr : 1;
   unsigned micro_tlb4_invalid_clr : 1;
   unsigned micro_tlb5_invalid_clr : 1;
   unsigned micro_tlb6_invalid_clr : 1;
   unsigned unused0 : 9;
   unsigned l1_page_table_invalid_clr : 1;
   unsigned l2_page_table_invalid_clr : 1;
   unsigned unused1 : 14;
  } b;
   unsigned long w;
} IOMMU_INT_CLR_REG
   

Allwinner H616 Manual