1 /* sbus.h: Defines for the Sun SBus.
3 * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net)
6 #ifndef _SPARC64_SBUS_H
7 #define _SPARC64_SBUS_H
9 #include <linux/dma-mapping.h>
10 #include <linux/ioport.h>
11 #include <linux/of_device.h>
13 #include <asm/oplib.h>
15 #include <asm/iommu.h>
16 #include <asm/scatterlist.h>
18 /* We scan which devices are on the SBus using the PROM node device
19 * tree. SBus devices are described in two different ways. You can
20 * either get an absolute address at which to access the device, or
21 * you can get a SBus 'slot' number and an offset within that slot.
26 /* Linux SBUS device tables */
28 struct of_device ofdev;
30 struct sbus_dev *next;
31 struct sbus_dev *child;
32 struct sbus_dev *parent;
34 #define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
36 /* This struct describes the SBus(s) found on this machine. */
38 struct of_device ofdev;
39 struct sbus_dev *devices; /* Tree of SBUS devices */
40 struct sbus_bus *next; /* Next SBUS in system */
42 #define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
44 extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
45 extern int sbus_arch_preinit(void);
46 extern void sbus_arch_postinit(void);
48 #endif /* !(_SPARC64_SBUS_H) */