Регистры Allwinner H616

Сокращения  |  Дерево шин  |  Карта памяти


NDFC_MDMA_DLBA_REG
5.2.5. NDFC MBUS DMA Descriptor List Base Address Register - адрес: 0x4011200 (смещение: 0x0200)

Контроллер Nand Flash (NDFC): список регистров



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

  NFC_MDMA_DESC_BASE_ADDR

Bits 31 : 0
R/W
0x0

Start Address of Descriptor List
Contains the base address of the First Descriptor. The LSB bits [1:0] are ignored
and taken as all-zero by the DMA internally. Hence these LSB bits are read-only.



Команда U-Boot для чтения регистра

md 4011200 1



Bit fields structure

typedef union  ndfc_mdma_dlba_reg
{
  struct
  {
   unsigned nfc_mdma_desc_base_addr : 32;
  } b;
   unsigned long w;
} NDFC_MDMA_DLBA_REG
   

Allwinner H616 Manual