Регистры H616: Hardware Reset Register

SMHC_HWRST

5.3.5. Hardware Reset Register - адрес: 0x4020078 0x4021078 0x4022078 (смещение: 0x0078)

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

Unused

Bits 31 : 1

HW_RST

Bit 0
R/W
0x1

0: Reset
1: Active mode
These bits cause the cards to enter pre-idle state, which requires them to be re-initialized.

Команда U-Boot для чтения регистра

md 4020078 1
md 4021078 1
md 4022078 1

typedef union smhc_hwrst { struct { unsigned hw_rst : 1; unsigned unused0 : 31; } b; unsigned long w; } SMHC_HWRST