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[PATCH] powerpc: Kill _machine and hard-coded platform numbers

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This removes statically assigned platform numbers and reworks the
powerpc platform probe code to use a better mechanism.  With this,
board support files can simply declare a new machine type with a
macro, and implement a probe() function that uses the flattened
device-tree to detect if they apply for a given machine.

We now have a machine_is() macro that replaces the comparisons of
_machine with the various PLATFORM_* constants.  This commit also
changes various drivers to use the new macro instead of looking at
_machine.

Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>
This commit is contained in:
Benjamin Herrenschmidt 2006-03-28 23:15:54 +11:00 • committed by Paul Mackerras
commit e8222502ee
63 changed files with 560 additions and 543 deletions
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5
Documentation/powerpc/booting-without-of.txt
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@ -719,6 +719,11 @@ address which can extend beyond that limit.
- model : this is your board name/model
- #address-cells : address representation for "root" devices
- #size-cells: the size representation for "root" devices
- device_type : This property shouldn't be necessary. However, if
you decide to create a device_type for your root node, make sure it
is _not_ "chrp" unless your platform is a pSeries or PAPR compliant
one for 64-bit, or a CHRP-type machine for 32-bit as this will
matched by the kernel this way.
Additionally, some recommended properties are: