xref: /openbmc/u-boot/drivers/pci/pci_compat.c (revision 29b103c7)
1 /*
2  * Compatibility functions for pre-driver-model code
3  *
4  * Copyright (C) 2014 Google, Inc
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 #define DEBUG
9 #include <common.h>
10 #include <dm.h>
11 #include <errno.h>
12 #include <malloc.h>
13 #include <pci.h>
14 #include <dm/device-internal.h>
15 #include <dm/lists.h>
16 
17 #define PCI_HOSE_OP(rw, name, size, type)				\
18 int pci_hose_##rw##_config_##name(struct pci_controller *hose,		\
19 				  pci_dev_t dev,			\
20 				  int offset, type value)		\
21 {									\
22 	return pci_##rw##_config##size(dev, offset, value);		\
23 }
24 
25 PCI_HOSE_OP(read, byte, 8, u8 *)
26 PCI_HOSE_OP(read, word, 16, u16 *)
27 PCI_HOSE_OP(read, dword, 32, u32 *)
28 PCI_HOSE_OP(write, byte, 8, u8)
29 PCI_HOSE_OP(write, word, 16, u16)
30 PCI_HOSE_OP(write, dword, 32, u32)
31 
32 pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
33 {
34 	struct pci_child_platdata *pplat;
35 	struct udevice *bus, *dev;
36 
37 	if (pci_find_device_id(ids, index, &dev))
38 		return -1;
39 	bus = dev->parent;
40 	pplat = dev_get_parent_platdata(dev);
41 
42 	return PCI_ADD_BUS(bus->seq, pplat->devfn);
43 }
44