1 #include <linux/of.h> /* linux/of.h gets to determine #include ordering */ 2 #ifndef _POWERPC_PROM_H 3 #define _POWERPC_PROM_H 4 #ifdef __KERNEL__ 5 6 /* 7 * Definitions for talking to the Open Firmware PROM on 8 * Power Macintosh computers. 9 * 10 * Copyright (C) 1996-2005 Paul Mackerras. 11 * 12 * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. 13 * 14 * This program is free software; you can redistribute it and/or 15 * modify it under the terms of the GNU General Public License 16 * as published by the Free Software Foundation; either version 17 * 2 of the License, or (at your option) any later version. 18 */ 19 #include <linux/types.h> 20 #include <asm/irq.h> 21 #include <asm/atomic.h> 22 23 #define HAVE_ARCH_DEVTREE_FIXUPS 24 25 #ifdef CONFIG_PPC32 26 /* 27 * PCI <-> OF matching functions 28 * (XXX should these be here?) 29 */ 30 struct pci_bus; 31 struct pci_dev; 32 extern int pci_device_from_OF_node(struct device_node *node, 33 u8* bus, u8* devfn); 34 extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int); 35 extern struct device_node* pci_device_to_OF_node(struct pci_dev *); 36 extern void pci_create_OF_bus_map(void); 37 #endif 38 39 /* 40 * OF address retreival & translation 41 */ 42 43 /* Translate a DMA address from device space to CPU space */ 44 extern u64 of_translate_dma_address(struct device_node *dev, 45 const u32 *in_addr); 46 47 #ifdef CONFIG_PCI 48 extern unsigned long pci_address_to_pio(phys_addr_t address); 49 #define pci_address_to_pio pci_address_to_pio 50 #endif /* CONFIG_PCI */ 51 52 /* Parse the ibm,dma-window property of an OF node into the busno, phys and 53 * size parameters. 54 */ 55 void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, 56 unsigned long *busno, unsigned long *phys, unsigned long *size); 57 58 extern void kdump_move_device_tree(void); 59 60 /* CPU OF node matching */ 61 struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); 62 63 /* cache lookup */ 64 struct device_node *of_find_next_cache_node(struct device_node *np); 65 66 /* Get the MAC address */ 67 extern const void *of_get_mac_address(struct device_node *np); 68 69 #ifdef CONFIG_NUMA 70 extern int of_node_to_nid(struct device_node *device); 71 #else 72 static inline int of_node_to_nid(struct device_node *device) { return 0; } 73 #endif 74 #define of_node_to_nid of_node_to_nid 75 76 /** 77 * of_irq_map_pci - Resolve the interrupt for a PCI device 78 * @pdev: the device whose interrupt is to be resolved 79 * @out_irq: structure of_irq filled by this function 80 * 81 * This function resolves the PCI interrupt for a given PCI device. If a 82 * device-node exists for a given pci_dev, it will use normal OF tree 83 * walking. If not, it will implement standard swizzling and walk up the 84 * PCI tree until an device-node is found, at which point it will finish 85 * resolving using the OF tree walking. 86 */ 87 struct pci_dev; 88 struct of_irq; 89 extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); 90 91 extern void of_instantiate_rtc(void); 92 93 /* These includes are put at the bottom because they may contain things 94 * that are overridden by this file. Ideally they shouldn't be included 95 * by this file, but there are a bunch of .c files that currently depend 96 * on it. Eventually they will be cleaned up. */ 97 #include <linux/of_fdt.h> 98 #include <linux/of_address.h> 99 #include <linux/of_irq.h> 100 #include <linux/platform_device.h> 101 102 #endif /* __KERNEL__ */ 103 #endif /* _POWERPC_PROM_H */ 104