1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2014 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
10 #include <linux/libfdt.h>
14 struct sandbox_pci_emul_priv {
18 int sandbox_pci_get_emul(struct udevice *bus, pci_dev_t find_devfn,
19 struct udevice **containerp, struct udevice **emulp)
25 ret = pci_bus_find_devfn(bus, PCI_MASK_BUS(find_devfn), &dev);
27 debug("%s: Could not find emulator for dev %x\n", __func__,
33 if (device_get_uclass_id(dev) == UCLASS_PCI_GENERIC) {
34 ret = device_find_first_child(dev, emulp);
41 return *emulp ? 0 : -ENODEV;
44 static int sandbox_pci_emul_post_probe(struct udevice *dev)
46 struct sandbox_pci_emul_priv *priv = dev->uclass->priv;
49 sandbox_set_enable_pci_map(true);
54 static int sandbox_pci_emul_pre_remove(struct udevice *dev)
56 struct sandbox_pci_emul_priv *priv = dev->uclass->priv;
59 sandbox_set_enable_pci_map(priv->dev_count > 0);
64 UCLASS_DRIVER(pci_emul) = {
65 .id = UCLASS_PCI_EMUL,
67 .post_probe = sandbox_pci_emul_post_probe,
68 .pre_remove = sandbox_pci_emul_pre_remove,
69 .priv_auto_alloc_size = sizeof(struct sandbox_pci_emul_priv),