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authorPaul Mackerras <paulus@samba.org>2008-06-29 19:57:05 -0400
committerPaul Mackerras <paulus@samba.org>2008-06-29 19:57:05 -0400
commit441dbb500b4344a8e3125e5aabab4f9dbf72514f (patch)
tree3bb8fb1a88db3f5d03062a4887312f25c2e8041d /arch/powerpc/sysdev
parentdee805532a30183c4462305b4614e58bd83a7bc1 (diff)
parent5ce4b59653b2c2053cd9a011918ac1e4747f24cc (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.c6
-rw-r--r--arch/powerpc/sysdev/ppc4xx_pci.c14
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c
index cfbd2aae93e8..7fd49c97501a 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,
123 (bus->number == hose->first_busno)) 123 (bus->number == hose->first_busno))
124 val &= 0xffffff00; 124 val &= 0xffffff00;
125 125
126 /* Workaround for PCI_28 Errata in 440EPx/GRx */
127 if ((hose->indirect_type & PPC_INDIRECT_TYPE_BROKEN_MRM) &&
128 offset == PCI_CACHE_LINE_SIZE) {
129 val = 0;
130 }
131
126 /* 132 /*
127 * Note: the caller has already checked that offset is 133 * Note: the caller has already checked that offset is
128 * suitably aligned and that len is 1, 2 or 4. 134 * 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 b4a54c52e880..fb368dfde5d4 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)
75 !of_device_is_compatible(hose->dn, "ibm,plb-pci")) 75 !of_device_is_compatible(hose->dn, "ibm,plb-pci"))
76 return; 76 return;
77 77
78 if (of_device_is_compatible(hose->dn, "ibm,plb440epx-pci") ||
79 of_device_is_compatible(hose->dn, "ibm,plb440grx-pci")) {
80 hose->indirect_type |= PPC_INDIRECT_TYPE_BROKEN_MRM;
81 }
82
78 /* Hide the PCI host BARs from the kernel as their content doesn't 83 /* Hide the PCI host BARs from the kernel as their content doesn't
79 * fit well in the resource management 84 * fit well in the resource management
80 */ 85 */
@@ -1634,6 +1639,15 @@ static void __init ppc4xx_probe_pciex_bridge(struct device_node *np)
1634 } 1639 }
1635 port = &ppc4xx_pciex_ports[portno]; 1640 port = &ppc4xx_pciex_ports[portno];
1636 port->index = portno; 1641 port->index = portno;
1642
1643 /*
1644 * Check if device is enabled
1645 */
1646 if (!of_device_is_available(np)) {
1647 printk(KERN_INFO "PCIE%d: Port disabled via device-tree\n", port->index);
1648 return;
1649 }
1650
1637 port->node = of_node_get(np); 1651 port->node = of_node_get(np);
1638 pval = of_get_property(np, "sdr-base", NULL); 1652 pval = of_get_property(np, "sdr-base", NULL);
1639 if (pval == NULL) { 1653 if (pval == NULL) {