blob: 99f79e4a709418544f6a6b2a14b32a4a69bc8a6f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* sbus.h: Defines for the Sun SBus.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_SBUS_H
#define _SPARC_SBUS_H
#include <linux/dma-mapping.h>
#include <linux/ioport.h>
#include <linux/of_device.h>
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/scatterlist.h>
/* We scan which devices are on the SBus using the PROM node device
* tree. SBus devices are described in two different ways. You can
* either get an absolute address at which to access the device, or
* you can get a SBus 'slot' number and an offset within that slot.
*/
struct sbus_bus;
/* Linux SBUS device tables */
struct sbus_dev {
struct of_device ofdev;
struct sbus_bus *bus;
struct sbus_dev *next;
struct sbus_dev *child;
struct sbus_dev *parent;
};
#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
/* This struct describes the SBus(s) found on this machine. */
struct sbus_bus {
struct of_device ofdev;
struct sbus_dev *devices; /* Link to devices on this SBus */
struct sbus_bus *next; /* next SBus, if more than one SBus */
};
#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
static inline int
sbus_is_slave(struct sbus_dev *dev)
{
/* XXX Have to write this for sun4c's */
return 0;
}
/* These yield IOMMU mappings in consistent mode. */
void prom_adjust_ranges(struct linux_prom_ranges *, int,
struct linux_prom_ranges *, int);
extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
extern int sbus_arch_preinit(void);
extern void sbus_arch_postinit(void);
#endif /* !(_SPARC_SBUS_H) */
|
