Linux BSP v1.
Linux BSP v1.
Linux BSP v1.
Linux BSP v1.2
2
2
2....0
0
0
0 Development
Development
Development
Development Guide
Guide
Guide
Guide
46
Appendix C.
Appendix C.
Appendix C.
Appendix C.
GPI
GPI
GPI
GPIO registers
O registers
O registers
O registers
GPIO Input Data Registers
Address 0xd8110030 – 0xd8110031
GPIO[27:20] Input Data Register
BIT
Attribute
Default
Description
15:12
RO
4'h0
Reserved
11
RO
GPIO27 Signal GPIO Input Data
10
RO
GPIO26 Signal GPIO Input Data
9
RO
GPIO25 Signal GPIO Input Data
8
RO
GPIO24 Signal GPIO Input Data
7
RO
GPIO23 Signal GPIO Input Data
6
RO
GPIO22 Signal GPIO Input Data
5
RO
GPIO21 Signal GPIO Input Data
4
RO
GPIO20 Signal GPIO Input Data
3:0
RO
Reserved
GPIO Enable Registers
Address 0xd8110070
GPIO[23:20] Enable Register
BIT
Attribute
Default
Description
7:0
RW
FFh
GPIO[23:20] Enable Register
Address 0xd8110071
GPIO[27:24] Enable Register
BIT
Attribute
Default
Description
7:0
RW
0Fh
GPIO[27:24] Enable Register