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-rw-r--r--arch/powerpc/platforms/86xx/pci.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/86xx/pci.c b/arch/powerpc/platforms/86xx/pci.c
index 6f3c0f674bb..2d7254c91ad 100644
--- a/arch/powerpc/platforms/86xx/pci.c
+++ b/arch/powerpc/platforms/86xx/pci.c
@@ -134,6 +134,43 @@ mpc86xx_setup_pcie(struct pci_controller *hose, u32 pcie_offset, u32 pcie_size)
134 early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80); 134 early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80);
135} 135}
136 136
137static void __devinit quirk_fsl_pcie_transparent(struct pci_dev *dev)
138{
139 struct resource *res;
140 int i, res_idx = PCI_BRIDGE_RESOURCES;
141 struct pci_controller *hose;
142
143 /*
144 * Make the bridge be transparent.
145 */
146 dev->transparent = 1;
147
148 hose = pci_bus_to_hose(dev->bus->number);
149 if (!hose) {
150 printk(KERN_ERR "Can't find hose for bus %d\n",
151 dev->bus->number);
152 return;
153 }
154
155 if (hose->io_resource.flags) {
156 res = &dev->resource[res_idx++];
157 res->start = hose->io_resource.start;
158 res->end = hose->io_resource.end;
159 res->flags = hose->io_resource.flags;
160 }
161
162 for (i = 0; i < 3; i++) {
163 res = &dev->resource[res_idx + i];
164 res->start = hose->mem_resources[i].start;
165 res->end = hose->mem_resources[i].end;
166 res->flags = hose->mem_resources[i].flags;
167 }
168}
169
170
171DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7010, quirk_fsl_pcie_transparent);
172DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7011, quirk_fsl_pcie_transparent);
173
137#define PCIE_LTSSM 0x404 /* PCIe Link Training and Status */ 174#define PCIE_LTSSM 0x404 /* PCIe Link Training and Status */
138#define PCIE_LTSSM_L0 0x16 /* L0 state */ 175#define PCIE_LTSSM_L0 0x16 /* L0 state */
139 176