diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-06-30 09:57:05 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-06-30 09:57:05 +1000 |
| commit | 441dbb500b4344a8e3125e5aabab4f9dbf72514f (patch) | |
| tree | 3bb8fb1a88db3f5d03062a4887312f25c2e8041d /arch/powerpc/sysdev | |
| parent | dee805532a30183c4462305b4614e58bd83a7bc1 (diff) | |
| parent | 5ce4b59653b2c2053cd9a011918ac1e4747f24cc (diff) | |
Merge branch 'next' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/indirect_pci.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/ppc4xx_pci.c | 14 |
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c index cfbd2aae93e..7fd49c97501 100644 --- a/arch/powerpc/sysdev/indirect_pci.c +++ b/arch/powerpc/sysdev/indirect_pci.c @@ -123,6 +123,12 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, (bus->number == hose->first_busno)) val &= 0xffffff00; + /* Workaround for PCI_28 Errata in 440EPx/GRx */ + if ((hose->indirect_type & PPC_INDIRECT_TYPE_BROKEN_MRM) && + offset == PCI_CACHE_LINE_SIZE) { + val = 0; + } + /* * Note: the caller has already checked that offset is * suitably aligned and that len is 1, 2 or 4. diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c index b4a54c52e88..fb368dfde5d 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/sysdev/ppc4xx_pci.c @@ -75,6 +75,11 @@ static void fixup_ppc4xx_pci_bridge(struct pci_dev *dev) !of_device_is_compatible(hose->dn, "ibm,plb-pci")) return; + if (of_device_is_compatible(hose->dn, "ibm,plb440epx-pci") || + of_device_is_compatible(hose->dn, "ibm,plb440grx-pci")) { + hose->indirect_type |= PPC_INDIRECT_TYPE_BROKEN_MRM; + } + /* Hide the PCI host BARs from the kernel as their content doesn't * fit well in the resource management */ @@ -1634,6 +1639,15 @@ static void __init ppc4xx_probe_pciex_bridge(struct device_node *np) } port = &ppc4xx_pciex_ports[portno]; port->index = portno; + + /* + * Check if device is enabled + */ + if (!of_device_is_available(np)) { + printk(KERN_INFO "PCIE%d: Port disabled via device-tree\n", port->index); + return; + } + port->node = of_node_get(np); pval = of_get_property(np, "sdr-base", NULL); if (pval == NULL) { |