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Author SHA1 Message Date
Ard Biesheuvel 969d2eb387 ArmVirtPkg/FdtClientDxe: add methods to iterate over memory nodes 
Add high level methods to iterate over all 'reg' properties of all DT
nodes whose device_type properties have the value "memory". Since we are
modifying the FdtClient protocol, update the protocol and the only existing
implementation at the same time.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
 2016-09-15 15:39:29 +01:00
Ard Biesheuvel cfc8d51c0c ArmVirtPkg/FdtClientDxe: report address and size cell count directly 
The FDT client protocol methods dealing with "reg" properties return
the size of a "reg" element. Currently, we have hardcoded this as '8',
since #address-cells == #size-cells == 2 in most cases. However, for
different values, have a single 'reg' element size is not unambiguous,
since - however unlikely - if #address-cells != #size-cells, we do not
know which is which.

So before adding more methods to the protocol, fix up this oversight.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
 2016-09-15 15:31:24 +01:00
Ard Biesheuvel 8dbae2c197 ArmVirtPkg: introduce FdtClientProtocol 
This introduces the FdtClientProtocol, which will be used to expose the
device tree provided by the host to other DXE drivers.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
 2016-04-11 18:12:21 +02:00