Provide a function to do most of the common PCI init work.
Suggested-by: Andrew Jones <drjones@xxxxxxxxxx>
Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
---
lib/pci.c | 7 +++++++
lib/pci.h | 1 +
2 files changed, 8 insertions(+)
diff --git a/lib/pci.c b/lib/pci.c
index 1495f61..d78472f 100644
--- a/lib/pci.c
+++ b/lib/pci.c
@@ -56,6 +56,13 @@ void pci_scan_bars(struct pci_dev *dev)
}
}
+int pci_enable_defaults(struct pci_dev *dev)
+{
+ pci_scan_bars(dev);
+ pci_set_master(dev, 1);
+ return 0;
+}
+
uint32_t pci_bar_mask(uint32_t bar)
{
return (bar & PCI_BASE_ADDRESS_SPACE_IO) ?
diff --git a/lib/pci.h b/lib/pci.h
index 46657f4..0336455 100644
--- a/lib/pci.h
+++ b/lib/pci.h
@@ -26,6 +26,7 @@ struct pci_dev {
void pci_dev_init(struct pci_dev *dev, pcidevaddr_t bdf);
void pci_scan_bars(struct pci_dev *dev);
void pci_set_master(struct pci_dev *dev, int master);
+int pci_enable_defaults(struct pci_dev *dev);
extern bool pci_probe(void);
extern void pci_print(void);
--
2.7.4
--
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