MFC r269594, r269596, r269597, r269598, r269605, r269606:

  Set ofwbus and simplebus to attach during BUS_PASS_BUS.

  Define names that drivers can use to adjust their position relative to
  other drivers within a BUS_PASS

  Adjust ofwbus and simplebus to attach at BUS_PASS_ORDER_MIDDLE, so that
  a platform can attach some other bus first if necessary.

  Set the pl310 L2 cache driver to attach during the middle of BUS_PASS_CPU.

  Attach arm generic interrupt and timer drivers in the middle of
  BUS_PASS_INTERRUPT and BUS_PASS_TIMER, respectively.

  Add an arm option, ARM_DEVICE_MULTIPASS, used to opt-in to multi-pass
  device attachment on arm platforms.  If this is defined, nexus attaches
  early in BUS_PASS_BUS, and other busses and devices attach later, in the
  pass number they are set up for.  Without it defined, nexus attaches in
  BUS_PASS_DEFAULT and thus so does everything else, which is status quo.

1 files changed, 4 insertions, 2 deletions

diff --git a/sys/dev/fdt/simplebus.c b/sys/dev/fdt/simplebus.c
index 1de4223..1c8e54c 100644
--- a/sys/dev/fdt/simplebus.c
+++ b/sys/dev/fdt/simplebus.c
@@ -121,8 +121,10 @@ static driver_t simplebus_driver = {
 	sizeof(struct simplebus_softc)
 };
 static devclass_t simplebus_devclass;
-DRIVER_MODULE(simplebus, ofwbus, simplebus_driver, simplebus_devclass, 0, 0);
-DRIVER_MODULE(simplebus, simplebus, simplebus_driver, simplebus_devclass, 0, 0);
+EARLY_DRIVER_MODULE(simplebus, ofwbus, simplebus_driver, simplebus_devclass,
+    0, 0, BUS_PASS_BUS);
+EARLY_DRIVER_MODULE(simplebus, simplebus, simplebus_driver, simplebus_devclass,
+    0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);
 
 static int
 simplebus_probe(device_t dev)