2 * Definitions for talking to the Open Firmware PROM on
3 * Power Macintosh computers.
5 * Copyright (C) 1996-2005 Paul Mackerras.
7 * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
15 #include <linux/of.h> /* linux/of.h gets to determine #include ordering */
17 #ifndef _ASM_MICROBLAZE_PROM_H
18 #define _ASM_MICROBLAZE_PROM_H
22 #include <linux/types.h>
24 #include <asm/atomic.h>
26 #define HAVE_ARCH_DEVTREE_FIXUPS
28 /* Other Prototypes */
29 extern int early_uartlite_console(void);
30 extern int early_uart16550_console(void);
34 * PCI <-> OF matching functions
35 * (XXX should these be here?)
39 extern int pci_device_from_OF_node(struct device_node *node,
41 extern struct device_node *pci_busdev_to_OF_node(struct pci_bus *bus,
43 extern struct device_node *pci_device_to_OF_node(struct pci_dev *dev);
44 extern void pci_create_OF_bus_map(void);
48 * OF address retreival & translation
52 extern unsigned long pci_address_to_pio(phys_addr_t address);
53 #define pci_address_to_pio pci_address_to_pio
54 #endif /* CONFIG_PCI */
56 /* Parse the ibm,dma-window property of an OF node into the busno, phys and
59 void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
60 unsigned long *busno, unsigned long *phys, unsigned long *size);
62 extern void kdump_move_device_tree(void);
64 /* CPU OF node matching */
65 struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
67 /* Get the MAC address */
68 extern const void *of_get_mac_address(struct device_node *np);
71 * of_irq_map_pci - Resolve the interrupt for a PCI device
72 * @pdev: the device whose interrupt is to be resolved
73 * @out_irq: structure of_irq filled by this function
75 * This function resolves the PCI interrupt for a given PCI device. If a
76 * device-node exists for a given pci_dev, it will use normal OF tree
77 * walking. If not, it will implement standard swizzling and walk up the
78 * PCI tree until an device-node is found, at which point it will finish
79 * resolving using the OF tree walking.
83 extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
85 #endif /* __ASSEMBLY__ */
86 #endif /* __KERNEL__ */
88 /* These includes are put at the bottom because they may contain things
89 * that are overridden by this file. Ideally they shouldn't be included
90 * by this file, but there are a bunch of .c files that currently depend
91 * on it. Eventually they will be cleaned up. */
92 #include <linux/of_fdt.h>
93 #include <linux/of_irq.h>
94 #include <linux/platform_device.h>
96 #endif /* _ASM_MICROBLAZE_PROM_H */