huangliang 4b7a0684d9 first debug version 6 bulan lalu
..
Kconfig 4b7a0684d9 first debug version 6 bulan lalu
Makefile 4b7a0684d9 first debug version 6 bulan lalu
README 4b7a0684d9 first debug version 6 bulan lalu
TODO 4b7a0684d9 first debug version 6 bulan lalu
bcma_private.h 4b7a0684d9 first debug version 6 bulan lalu
core.c 4b7a0684d9 first debug version 6 bulan lalu
driver_chipcommon.c 4b7a0684d9 first debug version 6 bulan lalu
driver_chipcommon_b.c 4b7a0684d9 first debug version 6 bulan lalu
driver_chipcommon_nflash.c 4b7a0684d9 first debug version 6 bulan lalu
driver_chipcommon_pflash.c 4b7a0684d9 first debug version 6 bulan lalu
driver_chipcommon_pmu.c 4b7a0684d9 first debug version 6 bulan lalu
driver_chipcommon_sflash.c 4b7a0684d9 first debug version 6 bulan lalu
driver_gmac_cmn.c 4b7a0684d9 first debug version 6 bulan lalu
driver_gpio.c 4b7a0684d9 first debug version 6 bulan lalu
driver_mips.c 4b7a0684d9 first debug version 6 bulan lalu
driver_pci.c 4b7a0684d9 first debug version 6 bulan lalu
driver_pci_host.c 4b7a0684d9 first debug version 6 bulan lalu
driver_pcie2.c 4b7a0684d9 first debug version 6 bulan lalu
host_pci.c 4b7a0684d9 first debug version 6 bulan lalu
host_soc.c 4b7a0684d9 first debug version 6 bulan lalu
main.c 4b7a0684d9 first debug version 6 bulan lalu
scan.c 4b7a0684d9 first debug version 6 bulan lalu
scan.h 4b7a0684d9 first debug version 6 bulan lalu
sprom.c 4b7a0684d9 first debug version 6 bulan lalu

README

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.