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Add support for bus_adjust_resource() on all PowerPC/AIM PCI bridges. With

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this change, NEW_PCIB appears to work without incident at least on a G5
iMac. More testing will be required before it is turned on in GENERIC.
This commit is contained in:
Nathan Whitehorn 2012-02-05 00:51:59 +00:00
parent 33233ec76e
commit 942efd602f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=231003
1 changed files with 28 additions and 0 deletions
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28
sys/powerpc/ofw/ofw_pci.c
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@ -71,6 +71,9 @@ static int ofw_pci_activate_resource(device_t bus, device_t child,
static int ofw_pci_deactivate_resource(device_t bus,
device_t child, int type, int rid,
struct resource *res);
static int ofw_pci_adjust_resource(device_t bus, device_t child,
int type, struct resource *res, u_long start,
u_long end);
/*
* pcib interface.
@ -106,6 +109,7 @@ static device_method_t ofw_pci_methods[] = {
DEVMETHOD(bus_release_resource, ofw_pci_release_resource),
DEVMETHOD(bus_activate_resource, ofw_pci_activate_resource),
DEVMETHOD(bus_deactivate_resource, ofw_pci_deactivate_resource),
DEVMETHOD(bus_adjust_resource, ofw_pci_adjust_resource),
/* pcib interface */
DEVMETHOD(pcib_maxslots, ofw_pci_maxslots),
@ -421,6 +425,30 @@ ofw_pci_deactivate_resource(device_t bus, device_t child, int type, int rid,
return (rman_deactivate_resource(res));
}
static int
ofw_pci_adjust_resource(device_t bus, device_t child, int type,
struct resource *res, u_long start, u_long end)
{
struct rman *rm = NULL;
struct ofw_pci_softc *sc = device_get_softc(bus);
switch (type) {
case SYS_RES_MEMORY:
rm = &sc->sc_mem_rman;
break;
case SYS_RES_IOPORT:
rm = &sc->sc_io_rman;
break;
default:
return (ENXIO);
}
if (!rman_is_region_manager(res, rm))
return (EINVAL);
return (rman_adjust_resource(res, start, end));
}
static phandle_t
ofw_pci_get_node(device_t bus, device_t dev)
{