// 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 |