tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * arch/mips/include/asm/prom.h
3 *
4 * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11#ifndef __ASM_PROM_H
12#define __ASM_PROM_H
13
14#ifdef CONFIG_OF
15#include <linux/bug.h>
16#include <linux/io.h>
17#include <linux/types.h>
18#include <asm/bootinfo.h>
19
20extern int early_init_dt_scan_memory_arch(unsigned long node,
21 const char *uname, int depth, void *data);
22
23extern void device_tree_init(void);
24
25static inline unsigned long pci_address_to_pio(phys_addr_t address)
26{
27 /*
28 * The ioport address can be directly used by inX() / outX()
29 */
30 BUG_ON(address > IO_SPACE_LIMIT);
31
32 return (unsigned long) address;
33}
34#define pci_address_to_pio pci_address_to_pio
35
36struct boot_param_header;
37
38extern void __dt_setup_arch(struct boot_param_header *bph);
39
40#define dt_setup_arch(sym) \
41({ \
42 extern struct boot_param_header __dtb_##sym##_begin; \
43 \
44 __dt_setup_arch(&__dtb_##sym##_begin); \
45})
46
47#else /* CONFIG_OF */
48static inline void device_tree_init(void) { }
49#endif /* CONFIG_OF */
50
51extern char *mips_get_machine_name(void);
52extern void mips_set_machine_name(const char *name);
53
54#endif /* __ASM_PROM_H */