mirror of https://github.com/hak5/openwrt.git
54 lines
1.7 KiB
Diff
54 lines
1.7 KiB
Diff
--- a/arch/arm/mach-cns3xxx/pcie.c
|
|
+++ b/arch/arm/mach-cns3xxx/pcie.c
|
|
@@ -71,7 +71,7 @@ static void __iomem *cns3xxx_pci_cfg_bas
|
|
void __iomem *base;
|
|
|
|
/* If there is no link, just show the CNS PCI bridge. */
|
|
- if (!cnspci->linked && (busno > 0 || slot > 0))
|
|
+ if (!cnspci->linked && (busno > 0))
|
|
return NULL;
|
|
|
|
/*
|
|
@@ -80,15 +80,19 @@ static void __iomem *cns3xxx_pci_cfg_bas
|
|
* the first device on the same bus as the CNS PCI bridge.
|
|
*/
|
|
if (busno == 0) {
|
|
- if (slot > 1)
|
|
+ type = CNS3XXX_HOST_TYPE;
|
|
+ if (devfn)
|
|
+ return NULL;
|
|
+ } else if (busno == 1) {
|
|
+ type = CNS3XXX_CFG0_TYPE;
|
|
+ if (slot)
|
|
return NULL;
|
|
- type = slot;
|
|
} else {
|
|
type = CNS3XXX_CFG1_TYPE;
|
|
}
|
|
|
|
base = (void __iomem *)cnspci->cfg_bases[type].virtual;
|
|
- offset = ((busno & 0xf) << 20) | (devfn << 12) | (where & 0xffc);
|
|
+ offset = (devfn << 12) | (where & 0xffc);
|
|
|
|
return base + offset;
|
|
}
|
|
@@ -256,7 +260,7 @@ static struct pci_ops cns3xxx_pcie_ops =
|
|
static int cns3xxx_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
|
|
{
|
|
struct cns3xxx_pcie *cnspci = pdev_to_cnspci(dev);
|
|
- int irq = cnspci->irqs[slot+pin-1];
|
|
+ int irq = cnspci->irqs[!!dev->bus->number+pin-1];
|
|
|
|
pr_info("PCIe map irq: %04d:%02x:%02x.%02x slot %d, pin %d, irq: %d\n",
|
|
pci_domain_nr(dev->bus), dev->bus->number, PCI_SLOT(dev->devfn),
|
|
@@ -434,7 +438,8 @@ static void __init cns3xxx_pcie_hw_init(
|
|
return;
|
|
|
|
/* Set Device Max_Read_Request_Size to 128 byte */
|
|
- devfn = PCI_DEVFN(1, 0);
|
|
+ bus.number = 1;
|
|
+ devfn = PCI_DEVFN(0, 0);
|
|
pos = pci_bus_find_capability(&bus, devfn, PCI_CAP_ID_EXP);
|
|
pci_bus_read_config_word(&bus, devfn, pos + PCI_EXP_DEVCTL, &dc);
|
|
dc &= ~(0x3 << 12); /* Clear Device Control Register [14:12] */
|