LXR uboot/drivers/pci/pci

   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)                               \
  18int 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
  25PCI_HOSE_OP(read, byte, 8, u8 *)
  26PCI_HOSE_OP(read, word, 16, u16 *)
  27PCI_HOSE_OP(read, dword, 32, u32 *)
  28PCI_HOSE_OP(write, byte, 8, u8)
  29PCI_HOSE_OP(write, word, 16, u16)
  30PCI_HOSE_OP(write, dword, 32, u32)
  31
  32pci_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
  41struct 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