| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 2013 Google, Inc |
| */ |
| |
| #include <common.h> |
| #include <dm/device.h> |
| #include <dm/ofnode.h> |
| #include <dm/read.h> |
| #include <dm/util.h> |
| #include <linux/libfdt.h> |
| #include <vsprintf.h> |
| |
| int list_count_items(struct list_head *head) |
| { |
| struct list_head *node; |
| int count = 0; |
| |
| list_for_each(node, head) |
| count++; |
| |
| return count; |
| } |
| |
| #if CONFIG_IS_ENABLED(OF_REAL) |
| int pci_get_devfn(struct udevice *dev) |
| { |
| struct fdt_pci_addr addr; |
| int ret; |
| |
| /* Extract the devfn from fdt_pci_addr */ |
| ret = ofnode_read_pci_addr(dev_ofnode(dev), FDT_PCI_SPACE_CONFIG, |
| "reg", &addr); |
| if (ret) { |
| if (ret != -ENOENT) |
| return -EINVAL; |
| } |
| |
| return addr.phys_hi & 0xff00; |
| } |
| #endif |