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 #include <common.h> 9 #include <dm.h> 10 #include <errno.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 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 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