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8 Commits

Author SHA1 Message Date
Ian Lepore
c47d4cde39 Replace multiple nearly-identical copies of code to walk through an FDT 
node's interrupts=<...> property creating resource list entries with a
single common implementation.  This change makes ofw_bus_intr_to_rl() the
one true copy of that code and removes the copies of it from other places.

This also adds handling of the interrupts-extended property, which allows
specifying multiple interrupts for a node where each interrupt can have a
separate interrupt-parent.  The bindings for this state that the property
cells contain an xref phandle to the interrupt parent followed by whatever
interrupt info that parent normally expects.  This leads to having a
variable number of icells per interrupt in the property.  For example you
could have <&intc1 1 &intc2 26 9 0 &intc3 9 4>.

Differential Revision: https://reviews.freebsd.org/D803
 2014-09-25 15:02:33 +00:00
Ian Lepore
752ba93078 Rename OF_xref_phandle() to OF_node_from_xref() and add a new function 
that provides the inverse translation, OF_xref_from_node().

Discussed with:	nwhitehorn
 2014-09-01 18:51:01 +00:00
Ian Lepore
c654477e64 Handle various ways that interrupt config data can be malformed by 
warning and assuming more or less reasonable values.
 2014-08-10 00:30:12 +00:00
Ian Lepore
1fb6bc18cb Use a separate variable for resource id, because 'i' may increment at a 
rate greater than 1 on each iteration.
 2014-08-10 00:23:57 +00:00
Ian Lepore
633dbf2e1b Adjust ofwbus and simplebus to attach at BUS_PASS_ORDER_MIDDLE, so that 
a platform can attach some other bus first if necessary.
 2014-08-05 17:32:47 +00:00
Ian Lepore
2d12d35cf8 Set ofwbus and simplebus to attach during BUS_PASS_BUS. 2014-08-05 16:31:03 +00:00
Nathan Whitehorn
e2fc1af45e OF_peer() in IEEE 1275 returns 0 if no peer exists, not -1. 2014-05-11 18:22:05 +00:00
Nathan Whitehorn
65d08437ef Move Open Firmware device root on PowerPC, ARM, and MIPS systems to 
a sub-node of nexus (ofwbus) rather than direct attach under nexus. This
fixes FDT on x86 and will make coexistence with ACPI on ARM systems easier.
SPARC is unchanged.

Reviewed by:	imp, ian
 2014-02-05 14:44:22 +00:00