projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 6494d708 SG |
2 | /* |
| 3 | * Copyright (c) 2013 Google, Inc | |
| 6494d708 SG |
4 | */ |
| 5 | ||
| d678a59d | 6 | #include <common.h> |
| 6dd4b014 | 7 | #include <dm/device.h> |
| e601ab1b | 8 | #include <dm/ofnode.h> |
| 6dd4b014 | 9 | #include <dm/read.h> |
| 766c28a5 | 10 | #include <dm/util.h> |
| b08c8c48 | 11 | #include <linux/libfdt.h> |
| 6494d708 SG |
12 | #include <vsprintf.h> |
| 13 | ||
| 6494d708 SG |
14 | int list_count_items(struct list_head *head) |
| 15 | { | |
| 16 | struct list_head *node; | |
| 17 | int count = 0; | |
| 18 | ||
| 19 | list_for_each(node, head) | |
| 20 | count++; | |
| 21 | ||
| 22 | return count; | |
| 23 | } | |
| 27326c7e | 24 | |
| 95397385 | 25 | #if CONFIG_IS_ENABLED(OF_REAL) |
| 6dd4b014 SG |
26 | int pci_get_devfn(struct udevice *dev) |
| 27 | { | |
| 28 | struct fdt_pci_addr addr; | |
| 29 | int ret; | |
| 30 | ||
| 31 | /* Extract the devfn from fdt_pci_addr */ | |
| 32 | ret = ofnode_read_pci_addr(dev_ofnode(dev), FDT_PCI_SPACE_CONFIG, | |
| f69d3d6d | 33 | "reg", &addr, NULL); |
| 6dd4b014 SG |
34 | if (ret) { |
| 35 | if (ret != -ENOENT) | |
| 36 | return -EINVAL; | |
| 37 | } | |
| 38 | ||
| 39 | return addr.phys_hi & 0xff00; | |
| 40 | } | |
| 41 | #endif |