| /* |
| * Internal PCI functions, not exported outside drivers/pci |
| * |
| * Copyright (c) 2015 Google, Inc |
| * Written by Simon Glass <sjg@chromium.org> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef __pci_internal_h |
| #define __pci_internal_h |
| |
| /** |
| * dm_pciauto_prescan_setup_bridge() - Set up a bridge for scanning |
| * |
| * This gets a bridge ready so that its downstream devices can be scanned. |
| * It sets up the bus number and memory range registers. Once the scan is |
| * completed, dm_pciauto_postscan_setup_bridge() should be called. |
| * |
| * @dev: Bridge device to be scanned |
| * @sub_bus: Bus number of the 'other side' of the bridge |
| */ |
| void dm_pciauto_prescan_setup_bridge(struct udevice *dev, int sub_bus); |
| |
| /** |
| * dm_pciauto_postscan_setup_bridge() - Finish set up of a bridge after scanning |
| * |
| * This should be called after a bus scan is complete. It adjusts the memory |
| * ranges to fit with the devices actually found on the other side (downstream) |
| * of the bridge. |
| * |
| * @dev: Bridge device that was scanned |
| * @sub_bus: Bus number of the 'other side' of the bridge |
| */ |
| void dm_pciauto_postscan_setup_bridge(struct udevice *dev, int sub_bus); |
| |
| /** |
| * dm_pciauto_config_device() - Configure a PCI device ready for use |
| * |
| * If the device is a bridge, downstream devices will be probed. |
| * |
| * @dev: Device to configure |
| * @return the maximum PCI bus number found by this device. If there are no |
| * bridges, this just returns the device's bus number. If the device is a |
| * bridge then it will return a larger number, depending on the devices on |
| * that bridge. On error, returns a -ve error number. |
| */ |
| int dm_pciauto_config_device(struct udevice *dev); |
| |
| #endif |