Author: jhibbits
Date: Wed May 30 02:47:23 2018
New Revision: 334366
URL: https://svnweb.freebsd.org/changeset/base/334366
Log:
Cache the phandle of the PCI node in opal_pci_attach
Simple cleanup, no functional change. This is related to the fixups needed
for POWER9 support.
Modified:
head/sys/powerpc/powernv/opal_pci.c
Modified: head/sys/powerpc/powernv/opal_pci.c
==============================================================================
--- head/sys/powerpc/powernv/opal_pci.c Wed May 30 02:41:47 2018
(r334365)
+++ head/sys/powerpc/powernv/opal_pci.c Wed May 30 02:47:23 2018
(r334366)
@@ -200,25 +200,27 @@ opalpci_attach(device_t dev)
{
struct opalpci_softc *sc;
cell_t id[2], m64window[6], npe;
+ phandle_t node;
int i, err;
uint64_t maxmem;
uint64_t entries;
int rid;
sc = device_get_softc(dev);
+ node = ofw_bus_get_node(dev);
- switch (OF_getproplen(ofw_bus_get_node(dev), "ibm,opal-phbid")) {
+ switch (OF_getproplen(node, "ibm,opal-phbid")) {
case 8:
- OF_getencprop(ofw_bus_get_node(dev), "ibm,opal-phbid", id, 8);
+ OF_getencprop(node, "ibm,opal-phbid", id, 8);
sc->phb_id = ((uint64_t)id[0] << 32) | id[1];
break;
case 4:
- OF_getencprop(ofw_bus_get_node(dev), "ibm,opal-phbid", id, 4);
+ OF_getencprop(node, "ibm,opal-phbid", id, 4);
sc->phb_id = id[0];
break;
default:
device_printf(dev, "PHB ID property had wrong length (%zd)\n",
- OF_getproplen(ofw_bus_get_node(dev), "ibm,opal-phbid"));
+ OF_getproplen(node, "ibm,opal-phbid"));
return (ENXIO);
}
@@ -264,8 +266,7 @@ opalpci_attach(device_t dev)
/*
* Turn on MMIO, mapped to PE 1
*/
- if (OF_getencprop(ofw_bus_get_node(dev), "ibm,opal-num-pes", &npe, 4)
- != 4)
+ if (OF_getencprop(node, "ibm,opal-num-pes", &npe, 4) != 4)
npe = 1;
for (i = 0; i < npe; i++) {
err = opal_call(OPAL_PCI_MAP_PE_MMIO_WINDOW, sc->phb_id,
@@ -275,7 +276,7 @@ opalpci_attach(device_t dev)
}
/* XXX: multiple M64 windows? */
- if (OF_getencprop(ofw_bus_get_node(dev), "ibm,opal-m64-window",
+ if (OF_getencprop(node, "ibm,opal-m64-window",
m64window, sizeof(m64window)) == sizeof(m64window)) {
opal_call(OPAL_PCI_PHB_MMIO_ENABLE, sc->phb_id,
OPAL_M64_WINDOW_TYPE, 0, 0);
@@ -342,9 +343,9 @@ opalpci_attach(device_t dev)
* Get MSI properties
*/
sc->msi_vmem = NULL;
- if (OF_getproplen(ofw_bus_get_node(dev), "ibm,opal-msi-ranges") > 0) {
+ if (OF_getproplen(node, "ibm,opal-msi-ranges") > 0) {
cell_t msi_ranges[2];
- OF_getencprop(ofw_bus_get_node(dev), "ibm,opal-msi-ranges",
+ OF_getencprop(node, "ibm,opal-msi-ranges",
msi_ranges, sizeof(msi_ranges));
sc->msi_base = msi_ranges[0];
@@ -352,7 +353,7 @@ opalpci_attach(device_t dev)
msi_ranges[1], 1, 16, M_BESTFIT | M_WAITOK);
sc->base_msi_irq = powerpc_register_pic(dev,
- OF_xref_from_node(ofw_bus_get_node(dev)),
+ OF_xref_from_node(node),
msi_ranges[0] + msi_ranges[1], 0, FALSE);
if (bootverbose)
@@ -377,7 +378,7 @@ opalpci_attach(device_t dev)
/*
* OPAL stores 64-bit BARs in a special property rather than "ranges"
*/
- if (OF_getencprop(ofw_bus_get_node(dev), "ibm,opal-m64-window",
+ if (OF_getencprop(node, "ibm,opal-m64-window",
m64window, sizeof(m64window)) == sizeof(m64window)) {
struct ofw_pci_range *rp;
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