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 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 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