10 gpio, Table 4-6, Gpio – Artesyn SCP-P4040-4G-ENP2 Installation and Use (August 2014) User Manual
Page 41: Functional description
Functional Description
SCP-P4040-4G-ENP2 Installation and Use (6806800P60B)
41
4.10 GPIO
SCP-P4040-4G-ENP2 consists of totally 21 GPIOs. The following table lists the GPIOs:
16
FFFF F000
0 FFFF F000
0000 1000 - 4KB
BOOT PAGE
Table 4-5 Memory Map (continued)
Address
#
32-bit Effective
Base Address
36-bit Physical
Base Address
Size
Description
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 4-6 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