Регистры Allwinner H616

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NDFC_MDMA_CUR_DESC_ADDR
5.2.5. NDFC MBUS DMA Current Descriptor Address Register - адрес: 0x401120c (смещение: 0x020C)

Контроллер Nand Flash (NDFC): список регистров



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

  CUR_DESC_ADDR

Bits 31 : 0
R
0x0

Current Descriptor Address Pointer
Cleared on reset. Pointer updated by DMA during operation. This register points
to the start address of the current descriptor read by the DMA.



Команда U-Boot для чтения регистра

md 401120c 1



Bit fields structure

typedef union  ndfc_mdma_cur_desc_addr
{
  struct
  {
   unsigned cur_desc_addr : 32;
  } b;
   unsigned long w;
} NDFC_MDMA_CUR_DESC_ADDR
   

Allwinner H616 Manual