1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Compatibility functions for pre-driver-model code
4 *
5 * Copyright (C) 2014 Google, Inc
6 */
7 #include <common.h>
8 #include <dm.h>
9 #include <errno.h>
10 #include <malloc.h>
11 #include <pci.h>
12 #include <dm/device-internal.h>
13 #include <dm/lists.h>
14 #include "pci_internal.h"
15
16 #define PCI_HOSE_OP(rw, name, size, type) \
17 int pci_hose_##rw##_config_##name(struct pci_controller *hose, \
18 pci_dev_t dev, \
19 int offset, type value) \
20 { \
21 return pci_##rw##_config##size(dev, offset, value); \
22 }
23
24 PCI_HOSE_OP(read, byte, 8, u8 *)
25 PCI_HOSE_OP(read, word, 16, u16 *)
26 PCI_HOSE_OP(read, dword, 32, u32 *)
27 PCI_HOSE_OP(write, byte, 8, u8)
28 PCI_HOSE_OP(write, word, 16, u16)
29 PCI_HOSE_OP(write, dword, 32, u32)
30
pci_find_devices(struct pci_device_id * ids,int index)31 pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
32 {
33 struct udevice *dev;
34
35 if (pci_find_device_id(ids, index, &dev))
36 return -1;
37 return dm_pci_get_bdf(dev);
38 }
39
pci_bus_to_hose(int busnum)40 struct pci_controller *pci_bus_to_hose(int busnum)
41 {
42 struct udevice *bus;
43 int ret;
44
45 ret = pci_get_bus(busnum, &bus);
46 if (ret) {
47 debug("%s: Cannot get bus %d: ret=%d\n", __func__, busnum, ret);
48 return NULL;
49 }
50
51 return dev_get_uclass_priv(pci_get_controller(bus));
52 }
53