d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Set the cache line size for subordinate pci bridges as well as for their

Browse Source 
child devices.  This fixes dma timeouts for devices behind the bridge.

Reported by:	simokawa
Tested by:	simokawa
This commit is contained in:
jake 2003-03-27 02:01:59 +00:00
parent e173b93e2a
commit 723028725c
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/sparc64/pci/ofw_pci.c
View File

@ -216,6 +216,8 @@ ofw_pci_init(device_t dev, phandle_t bushdl, u_int32_t ign,
panic("ofw_pci_init: OF_getprop failed"); panic("ofw_pci_init: OF_getprop failed");
slot = OFW_PCI_PHYS_HI_DEVICE(pcir.phys_hi); slot = OFW_PCI_PHYS_HI_DEVICE(pcir.phys_hi);
func = OFW_PCI_PHYS_HI_FUNCTION(pcir.phys_hi); func = OFW_PCI_PHYS_HI_FUNCTION(pcir.phys_hi);
PCIB_WRITE_CONFIG(dev, busno, slot, func, PCIR_CACHELNSZ,
clnsz / 4, 1);
if (strcmp(type, OFW_PCI_PCIBUS) == 0) { if (strcmp(type, OFW_PCI_PCIBUS) == 0) {
/* /*
* This is a pci-pci bridge, initalize the bus number and * This is a pci-pci bridge, initalize the bus number and
@ -269,8 +271,6 @@ ofw_pci_init(device_t dev, phandle_t bushdl, u_int32_t ign,
PCIB_WRITE_CONFIG(dev, busno, slot, func, PCIB_WRITE_CONFIG(dev, busno, slot, func,
PCIR_LATTIMER, imin(lat, 255), 1); PCIR_LATTIMER, imin(lat, 255), 1);
} }
PCIB_WRITE_CONFIG(dev, busno, slot, func,
PCIR_CACHELNSZ, clnsz / 4, 1);
/* Initialize the intline registers. */ /* Initialize the intline registers. */
if ((intr = ofw_pci_route_intr(node, ign)) != 255) { if ((intr = ofw_pci_route_intr(node, ign)) != 255) {