File list (Check if you may need any files):
pwm_avalon_interface
....................\cb_generator.pl
....................\class.ptf
....................\HAL
....................\...\inc
....................\...\...\altera_avalon_pwm_routines.h
....................\...\src
....................\...\...\altera_avalon_pwm_routines.c
....................\...\...\component.mk
....................\hdl
....................\...\pwm_avalon_interface.v
....................\...\pwm_register_file.v
....................\...\pwm_task_logic.v
....................\inc
....................\...\altera_avalon_pwm_regs.h