On Wed, Oct 26, 2016 at 03:47:14PM +0800, Peter Xu wrote:
> 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
>
Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
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