Are details on the Broadcom switch controllers openly available? I did not find anything on their web site.
Nor did I, but the header file indicates it came from Broadcom: https://svn.openwrt.org/openwrt/tags/kamikaze_7.06/package/switch/src/etc53xx.h Relevant comment: /* * Broadcom Home Gateway Reference Design * BCM53xx Register definitions * * Copyright 2004, Broadcom Corporation * All Rights Reserved. * * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. * $Id: etc53xx.h,v 1.1 2005/05/14 13:15:46 nbd Exp $ */
