Loadpsp utility is used for updating the psp files to database.It creates packages for psp files in database.
Loadpsp utility is located at $ORACLE_HOME/bin

Syntax:
 loadpsp [-replace] -user <logon> [<page1> <page2> ...]
 where <logon> ::= <username>/<password>[@<connect_string>]


where 
 replace: Will replace the files.
 user : The database user name and password needs to be provided where the psp files need 
 to be  updated.
 page:Name and path of psp file.

Example:
$ORACLE_HOME/bin/loadpsp -replace -user scott/tiger Parmlist.psp