Hey I was going through Broadcom Tigon 3 drivers code and I see that APE memory is mapped using pic_ioremap_bar(pdev,BAR_2).

I couldn't any information in the broadcom datasheet about APE memory. What is an APE memory and what exactly it is used for?

http://lxr.linux.no/linux+v2.6.33/drivers/net/tg3.c#L14499

Thanks,
Santhosh Kokala