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The device is a AMBA bus if it is a child of prom node "ambapp" (AMBA
plug and play). Two functions
leon_trans_init() and leon_node_init() (defined in
sparc/kernel/leon_kernel.c) are called in the
prom_build_tree() path if CONFIG_SPARC_LEON is
defined. leon_node_init() will build up the device
tree using AMBA plug and play. Also: a extra check was addes to
prom_common.c:build_one_prop()
in case a rom-node is undefined which can happen for SPARC-LEON
because it creates only a minimum
nodes to emulate sparc behaviour.
Signed-off-by: Konrad Eisele <konrad@gaisler.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This broke sparc64 in various ways.
Add an empty dummy hook in sparc32's prom_32.c so that we
can potentially handle things on that side similarly, and
in particular avoid a prom_common.c ifdef :-)
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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To make this work we provide a dummy nop implementation
of of_fill_in_cpu_data() for sparc32.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Sparc64 uses a non-recursive sibling traversal algorithm
that never got propagated into the sparc32 copy of this
code.
Sync them up.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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This makes it match what sparc64's version does.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add final len assignment in sparc64's get_one_property() (it's necessary
to avoid unchecked return value warnings on the sparc32 side),
and mark name argument const on sparc32's copy.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unfortunately there is some sparc32/sparc64 ifdef'ery in
here due to the difference in how the prom_firstprop()
and prom_nextprop() routines work.
This will be eliminated eventually.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This will be used in a subsequent changeset.
Signed-off-by: David S. Miller <davem@davemloft.net>
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A subsequent changeset will use this.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is where common code implementations will go as we unify
32-bit and 64-bit OF device tree code.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is where common declarations will go as we unify
these files as much as possible into common code.
Signed-off-by: David S. Miller <davem@davemloft.net>
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o sparc32 files with identical names to sparc64 renamed to <name>_32.S
o introduced a few Kconfig helpers to simplify Makefile logic
o refactored Makefile to prepare for unification
- use obj-$(CONFIG_SPARC32) for sparc32 specific files
- use <name>_$(BITS) for files where sparc64 has a _64 variant
- sparc64 directly include a few files where sparc32 builds them,
refer to these files directly (no BITS)
- sneaked in -Werror as used by sparc64
o modified sparc/Makefile to use the new names for head/init_task
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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