From bab17cf143c4888d03eb51f20aa6b86210448608 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 29 Nov 2015 13:17:53 -0700 Subject: dm: pci: Add a function to read a PCI BAR Add a driver-model function for reading the PCI BAR from a device. Signed-off-by: Simon Glass Reviewed-by: Bin Meng --- include/pci.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include/pci.h') diff --git a/include/pci.h b/include/pci.h index 443af839b6c..dcbe9787a3f 100644 --- a/include/pci.h +++ b/include/pci.h @@ -1166,6 +1166,15 @@ struct udevice *pci_get_controller(struct udevice *dev); int pci_get_regions(struct udevice *dev, struct pci_region **iop, struct pci_region **memp, struct pci_region **prefp); +/** + * dm_pci_read_bar32() - read a base address register from a device + * + * @dev: Device to check + * @barnum: Bar number to read (numbered from 0) + * @return: value of BAR + */ +u32 dm_pci_read_bar32(struct udevice *dev, int barnum); + /** * dm_pci_find_device() - find a device by vendor/device ID * -- cgit