isengaara c0b2c207da import linux-libre-4.9.117 6 jaren geleden
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Kconfig c0b2c207da import linux-libre-4.9.117 6 jaren geleden
Makefile c0b2c207da import linux-libre-4.9.117 6 jaren geleden
README c0b2c207da import linux-libre-4.9.117 6 jaren geleden
TODO c0b2c207da import linux-libre-4.9.117 6 jaren geleden
bcma_private.h c0b2c207da import linux-libre-4.9.117 6 jaren geleden
core.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_chipcommon.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_chipcommon_b.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_chipcommon_nflash.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_chipcommon_pflash.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_chipcommon_pmu.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_chipcommon_sflash.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_gmac_cmn.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_gpio.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_mips.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_pci.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_pci_host.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
driver_pcie2.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
host_pci.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
host_soc.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
main.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
scan.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden
scan.h c0b2c207da import linux-libre-4.9.117 6 jaren geleden
sprom.c c0b2c207da import linux-libre-4.9.117 6 jaren geleden

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.