Регистры Allwinner H616
Сокращения  |  Дерево шин  |  Карта памяти
PH_PULL0
9.6.4. PH Pull Register 0 - адрес: 0x300b118 (смещение: 0x0118)

Контроллер портов ввода-вывода (GPIO): список регистров

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

  Unused

Bits 31 : 22

  PH10_PULL

Bits 21 : 20
R/W
0x0

PH10 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH9_PULL

Bits 19 : 18
R/W
0x0

PH9 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH8_PULL

Bits 17 : 16
R/W
0x0

PH8 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH7_PULL

Bits 15 : 14
R/W
0x0

PH7 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH6_PULL

Bits 13 : 12
R/W
0x0

PH6 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH5_PULL

Bits 11 : 10
R/W
0x0

PH5 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH4_PULL

Bits 9 : 8
R/W
0x0

PH4 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH3_PULL

Bits 7 : 6
R/W
0x1

PH3 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH2_PULL

Bits 5 : 4
R/W
0x1

PH2 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH1_PULL

Bits 3 : 2
R/W
0x0

PH1 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

  PH0_PULL

Bits 1 : 0
R/W
0x0

PH0 Pull-up/down Select
00: Pull-up/down disable
01: Pull-up
10: Pull-down
11: Reserved

Команда U-Boot для чтения регистра

md 300b118 1

Bit fields structure 

typedef union  ph_pull0
{
  struct
  {
   unsigned ph0_pull : 2;
   unsigned ph1_pull : 2;
   unsigned ph2_pull : 2;
   unsigned ph3_pull : 2;
   unsigned ph4_pull : 2;
   unsigned ph5_pull : 2;
   unsigned ph6_pull : 2;
   unsigned ph7_pull : 2;
   unsigned ph8_pull : 2;
   unsigned ph9_pull : 2;
   unsigned ph10_pull : 2;
   unsigned unused0 : 10;
  } b;
   unsigned long w;
} PH_PULL0
Allwinner H616 Manual