u-boot/drivers/pci/pci_compat.c
Simon Glass 4b515e4fc5 dm: pci: Add a function to get the BDF for a device
It is useful to be able to find the full PCI address (bus, device and
function) for a PCI device. Add a function to provide this.

Adjust the existing code to use this.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:39 -06:00

39 lines
920 B
C

/*
* Compatibility functions for pre-driver-model code
*
* Copyright (C) 2014 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#define DEBUG
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <malloc.h>
#include <pci.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
#define PCI_HOSE_OP(rw, name, size, type) \
int pci_hose_##rw##_config_##name(struct pci_controller *hose, \
pci_dev_t dev, \
int offset, type value) \
{ \
return pci_##rw##_config##size(dev, offset, value); \
}
PCI_HOSE_OP(read, byte, 8, u8 *)
PCI_HOSE_OP(read, word, 16, u16 *)
PCI_HOSE_OP(read, dword, 32, u32 *)
PCI_HOSE_OP(write, byte, 8, u8)
PCI_HOSE_OP(write, word, 16, u16)
PCI_HOSE_OP(write, dword, 32, u32)
pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
{
struct udevice *dev;
if (pci_find_device_id(ids, index, &dev))
return -1;
return pci_get_bdf(dev);
}