Artesyn COMX-P4080-2G-ENP2 Installation and Use (August 2014) - Manual (Page 43)

Functional Description
COMX-P4080-2G-ENP2 Installation and Use (6806800P63B) 43
4.11 GPIO
COMX-P4080-2G-ENP2 consists of totally 21 GPIOs. The following table lists the GPIOs:
16 FFFF F000 0 FFFF F000 0000 1000 - 4KB BOOT PAGE
Only upto 2GB memory is mapped in u-boot and the other memory is left unmapped and
not used if more than 2GB memory is fitted. More than 2GB can be used in Linux. Up to 4GB
has been verified.
Address #4 and #5 is used instead of address #3 if RIO is configured.
Table 4-5 Memory Map
Address#
32-bit Effective
Base Address
36-bit Physical Base Address Size Description
Table 4-6 GPIO
GPIO Name Function
CPU_GPIO0 GPI0 of COME connectors
CPU_GPIO1 GPI1 of COME connectors
CPU_GPIO2 GPI3 of COME connectors
CPU_GPIO3 GPI4 of COME connectors
CPU_GPIO4 GPO0 of COME connectors
CPU_GPIO5 GPO1 of COME connectors
CPU_GPIO6 GPO3 of COME connectors
CPU_GPIO7 GPO4 of COME connectors
CPU_GPIO19 Clock generators enable control
CPU_GPIO20 Carried board reset output
CPU_GPIO23 Clock generator of bank 1 frequency
selection