FreeBSD/Linux Kernel Cross Reference
sys/drivers/bcma/

	Name	Size	Last modified (GMT)	Description
	Parent directory		2013-02-02 13:04:39
	Kconfig	1695 bytes	2013-02-02 13:01:41
	Makefile	623 bytes	2012-12-25 01:42:39
	README	956 bytes	2011-08-10 17:02:49
	TODO	96 bytes	2011-08-10 17:02:49
	bcma_private.h	2885 bytes	2013-02-02 13:01:41
	core.c	3021 bytes	2012-12-25 01:42:39
	driver_chipcommon.c	8695 bytes	2012-12-25 01:42:39
	driver_chipcommon_nflash.c	1079 bytes	2012-12-25 01:42:39
	driver_chipcommon_pmu.c	15649 bytes	2012-12-25 01:42:39
	driver_chipcommon_sflash.c	4247 bytes	2013-02-02 13:01:41
	driver_gmac_cmn.c	265 bytes	2013-02-02 13:01:41
	driver_gpio.c	2495 bytes	2012-12-25 01:42:39
	driver_mips.c	6911 bytes	2012-12-25 01:42:39
	driver_pci.c	7692 bytes	2013-02-02 13:01:41
	driver_pci_host.c	17209 bytes	2013-02-02 13:01:41
	host_pci.c	7529 bytes	2013-02-02 13:01:41
	host_soc.c	3683 bytes	2012-12-25 01:42:39
	main.c	11366 bytes	2013-02-02 13:01:41
	scan.c	14485 bytes	2012-12-25 01:42:39
	scan.h	1696 bytes	2012-12-25 01:42:39
	sprom.c	20402 bytes	2012-12-25 01:42:39

     Broadcom introduced new bus as replacement for older SSB. It is based on AMBA,
     however from programming point of view there is nothing AMBA specific we use.
     
     Standard AMBA drivers are platform specific, have hardcoded addresses and use
     AMBA standard fields like CID and PID.
     
     In case of Broadcom's cards every device consists of:
     1) Broadcom specific AMBA device. It is put on AMBA bus, but can not be treated
        as standard AMBA device. Reading it's CID or PID can cause machine lockup.
    2) AMBA standard devices called ports or wrappers. They have CIDs (AMBA_CID)
       and PIDs (0x103BB369), but we do not use that info for anything. One of that
       devices is used for managing Broadcom specific core.
    
    Addresses of AMBA devices are not hardcoded in driver and have to be read from
    EPROM.
    
    In this situation we decided to introduce separated bus. It can contain up to
    16 devices identified by Broadcom specific fields: manufacturer, id, revision
    and class.