1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Compatibility functions for pre-driver-model code
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (C) 2014 Google, Inc
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <dm.h>
10*4882a593Smuzhiyun #include <errno.h>
11*4882a593Smuzhiyun #include <malloc.h>
12*4882a593Smuzhiyun #include <pci.h>
13*4882a593Smuzhiyun #include <dm/device-internal.h>
14*4882a593Smuzhiyun #include <dm/lists.h>
15*4882a593Smuzhiyun #include "pci_internal.h"
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #define PCI_HOSE_OP(rw, name, size, type) \
18*4882a593Smuzhiyun int pci_hose_##rw##_config_##name(struct pci_controller *hose, \
19*4882a593Smuzhiyun pci_dev_t dev, \
20*4882a593Smuzhiyun int offset, type value) \
21*4882a593Smuzhiyun { \
22*4882a593Smuzhiyun return pci_##rw##_config##size(dev, offset, value); \
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun PCI_HOSE_OP(read, byte, 8, u8 *)
26*4882a593Smuzhiyun PCI_HOSE_OP(read, word, 16, u16 *)
27*4882a593Smuzhiyun PCI_HOSE_OP(read, dword, 32, u32 *)
28*4882a593Smuzhiyun PCI_HOSE_OP(write, byte, 8, u8)
29*4882a593Smuzhiyun PCI_HOSE_OP(write, word, 16, u16)
30*4882a593Smuzhiyun PCI_HOSE_OP(write, dword, 32, u32)
31*4882a593Smuzhiyun
pci_find_devices(struct pci_device_id * ids,int index)32*4882a593Smuzhiyun pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun struct udevice *dev;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun if (pci_find_device_id(ids, index, &dev))
37*4882a593Smuzhiyun return -1;
38*4882a593Smuzhiyun return dm_pci_get_bdf(dev);
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
pci_bus_to_hose(int busnum)41*4882a593Smuzhiyun struct pci_controller *pci_bus_to_hose(int busnum)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun struct udevice *bus;
44*4882a593Smuzhiyun int ret;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun ret = pci_get_bus(busnum, &bus);
47*4882a593Smuzhiyun if (ret) {
48*4882a593Smuzhiyun debug("%s: Cannot get bus %d: ret=%d\n", __func__, busnum, ret);
49*4882a593Smuzhiyun return NULL;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun return dev_get_uclass_priv(pci_get_controller(bus));
53*4882a593Smuzhiyun }
54