From f9260336d0eb3e41ced18f6408e90a32c8825f6c Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 19 Nov 2015 20:27:01 -0700 Subject: dm: pci: Add a function to find the regions for a PCI bus This function looks up the controller and returns a pointer to each region type. Signed-off-by: Simon Glass Acked-by: Stephen Warren Tested-by: Stephen Warren --- include/pci.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/pci.h') diff --git a/include/pci.h b/include/pci.h index f3dda70..9c19482 100644 --- a/include/pci.h +++ b/include/pci.h @@ -1131,6 +1131,18 @@ ulong pci_conv_size_to_32(ulong old, ulong value, uint offset, struct udevice *pci_get_controller(struct udevice *dev); /** + * pci_get_regions() - obtain pointers to all the region types + * + * @dev: Device to check + * @iop: Returns a pointer to the I/O region, or NULL if none + * @memp: Returns a pointer to the memory region, or NULL if none + * @prefp: Returns a pointer to the pre-fetch region, or NULL if none + * @return the number of non-NULL regions returned, normally 3 + */ +int pci_get_regions(struct udevice *dev, struct pci_region **iop, + struct pci_region **memp, struct pci_region **prefp); + +/** * struct dm_pci_emul_ops - PCI device emulator operations */ struct dm_pci_emul_ops { -- cgit v1.1