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 <log.h>
11 #include <malloc.h>
12 #include <pci.h>
13 #include <dm/device-internal.h>
14 #include <dm/lists.h>
15 #include "pci_internal.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
pci_find_devices(struct pci_device_id * ids,int index)32 pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
33 {
34 struct udevice *dev;
35
36 if (pci_find_device_id(ids, index, &dev))
37 return -1;
38 return dm_pci_get_bdf(dev);
39 }
40
pci_bus_to_hose(int busnum)41 struct pci_controller *pci_bus_to_hose(int busnum)
42 {
43 struct udevice *bus;
44 int ret;
45
46 ret = pci_get_bus(busnum, &bus);
47 if (ret) {
48 debug("%s: Cannot get bus %d: ret=%d\n", __func__, busnum, ret);
49 return NULL;
50 }
51
52 return dev_get_uclass_priv(pci_get_controller(bus));
53 }
54