1#ifndef _ASM_DMI_H
2#define _ASM_DMI_H 1
3
4#include <asm/io.h>
5
6extern void *dmi_ioremap(unsigned long addr, unsigned long size);
7extern void dmi_iounmap(void *addr, unsigned long size);
8
9#define DMI_MAX_DATA 2048
10
11extern int dmi_alloc_index;
12extern char dmi_alloc_data[DMI_MAX_DATA];
13
14/* This is so early that there is no good way to allocate dynamic memory.
15   Allocate data in an BSS array. */
16static inline void *dmi_alloc(unsigned len)
17{
18	int idx = dmi_alloc_index;
19	if ((dmi_alloc_index += len) > DMI_MAX_DATA)
20		return NULL;
21	return dmi_alloc_data + idx;
22}
23
24#define dmi_ioremap early_ioremap
25#define dmi_iounmap early_iounmap
26
27#endif
28