arch/microblaze/include/asm/prom.h

   1 /*
   2  * Definitions for talking to the Open Firmware PROM on
   3  * Power Macintosh computers.
   4  *
   5  * Copyright (C) 1996-2005 Paul Mackerras.
   6  *
   7  * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
   8  *
   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.
  13  */
  14
  15 #include <linux/of.h>   /* linux/of.h gets to determine #include ordering */
  16
  17 #ifndef _ASM_MICROBLAZE_PROM_H
  18 #define _ASM_MICROBLAZE_PROM_H
  19 #ifdef __KERNEL__
  20 #ifndef __ASSEMBLY__
  21
  22 #include <linux/types.h>
  23 #include <asm/irq.h>
  24 #include <asm/atomic.h>
  25
  26 #define HAVE_ARCH_DEVTREE_FIXUPS
  27
  28 /* Other Prototypes */
  29 extern int early_uartlite_console(void);
  30 extern int early_uart16550_console(void);
  31
  32 #ifdef CONFIG_PCI
  33 /*
  34  * PCI <-> OF matching functions
  35  * (XXX should these be here?)
  36  */
  37 struct pci_bus;
  38 struct pci_dev;
  39 extern int pci_device_from_OF_node(struct device_node *node,
  40                                         u8 *bus, u8 *devfn);
  41 extern struct device_node *pci_busdev_to_OF_node(struct pci_bus *bus,
  42                                                         int devfn);
  43 extern struct device_node *pci_device_to_OF_node(struct pci_dev *dev);
  44 extern void pci_create_OF_bus_map(void);
  45 #endif
  46
  47 /*
  48  * OF address retreival & translation
  49  */
  50
  51 #ifdef CONFIG_PCI
  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 */
  55
  56 /* Parse the ibm,dma-window property of an OF node into the busno, phys and
  57  * size parameters.
  58  */
  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);
  61
  62 extern void kdump_move_device_tree(void);
  63
  64 /* CPU OF node matching */
  65 struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
  66
  67 #endif /* __ASSEMBLY__ */
  68 #endif /* __KERNEL__ */
  69
  70 /* These includes are put at the bottom because they may contain things
  71  * that are overridden by this file.  Ideally they shouldn't be included
  72  * by this file, but there are a bunch of .c files that currently depend
  73  * on it.  Eventually they will be cleaned up. */
  74 #include <linux/of_fdt.h>
  75 #include <linux/of_irq.h>
  76 #include <linux/platform_device.h>
  77
  78 #endif /* _ASM_MICROBLAZE_PROM_H */