modules/custom/bdp/bdp.admin.inc
<?php
/**
* @file
* Administrative page callbacks for the BDP module.
*/
function bdp_settings_form() {
$form['bdp_data_policies'] = array(
'#type' => 'textarea',
'#title' => t('Data policies text'),
'#default_value' => variable_get('bdp_data_policies', ''),
);
return system_settings_form($form);
}