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bcma: enable support for PCIe Gen 2 host devices 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
hifive-unleashed-5.1
Rafał Miłecki 2015-02-08 17:11:50 +01:00 committed by Kalle Valo
parent 804e27dee4
commit 9b6cc9a807
3 changed files with 16 additions and 2 deletions
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1
drivers/bcma/bcma_private.h
View File

@ -26,6 +26,7 @@ bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
int timeout);
void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core);
void bcma_init_bus(struct bcma_bus *bus);
void bcma_unregister_cores(struct bcma_bus *bus);
int bcma_bus_register(struct bcma_bus *bus);
void bcma_bus_unregister(struct bcma_bus *bus);
int __init bcma_bus_early_register(struct bcma_bus *bus);

15
drivers/bcma/host_pci.c
View File

@ -213,16 +213,26 @@ static int bcma_host_pci_probe(struct pci_dev *dev,
/* Initialize struct, detect chip */
bcma_init_bus(bus);
/* Scan bus to find out generation of PCIe core */
err = bcma_bus_scan(bus);
if (err)
goto err_pci_unmap_mmio;
if (bcma_find_core(bus, BCMA_CORE_PCIE2))
bus->host_is_pcie2 = true;
/* Register */
err = bcma_bus_register(bus);
if (err)
goto err_pci_unmap_mmio;
goto err_unregister_cores;
pci_set_drvdata(dev, bus);
out:
return err;
err_unregister_cores:
bcma_unregister_cores(bus);
err_pci_unmap_mmio:
pci_iounmap(dev, bus->mmio);
err_pci_release_regions:
@ -283,9 +293,12 @@ static const struct pci_device_id bcma_pci_bridge_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4360) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xa8db, BCM43217 (sic!) */
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */

2
drivers/bcma/main.c
View File

@ -363,7 +363,7 @@ static int bcma_register_devices(struct bcma_bus *bus)
return 0;
}
static void bcma_unregister_cores(struct bcma_bus *bus)
void bcma_unregister_cores(struct bcma_bus *bus)
{
struct bcma_device *core, *tmp;