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 <linux/atomic.h> 22 23 #define HAVE_ARCH_DEVTREE_FIXUPS 24 25 /* 26 * OF address retreival & translation 27 */ 28 29 /* Translate a DMA address from device space to CPU space */ 30 extern u64 of_translate_dma_address(struct device_node *dev, 31 const __be32 *in_addr); 32 33 #ifdef CONFIG_PCI 34 extern unsigned long pci_address_to_pio(phys_addr_t address); 35 #define pci_address_to_pio pci_address_to_pio 36 #endif /* CONFIG_PCI */ 37 38 /* Parse the ibm,dma-window property of an OF node into the busno, phys and 39 * size parameters. 40 */ 41 void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, 42 unsigned long *busno, unsigned long *phys, unsigned long *size); 43 44 extern void kdump_move_device_tree(void); 45 46 /* CPU OF node matching */ 47 struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); 48 49 /* cache lookup */ 50 struct device_node *of_find_next_cache_node(struct device_node *np); 51 52 #ifdef CONFIG_NUMA 53 extern int of_node_to_nid(struct device_node *device); 54 #else 55 static inline int of_node_to_nid(struct device_node *device) { return 0; } 56 #endif 57 #define of_node_to_nid of_node_to_nid 58 59 extern void of_instantiate_rtc(void); 60 61 /* The of_drconf_cell struct defines the layout of the LMB array 62 * specified in the device tree property 63 * ibm,dynamic-reconfiguration-memory/ibm,dynamic-memory 64 */ 65 struct of_drconf_cell { 66 u64 base_addr; 67 u32 drc_index; 68 u32 reserved; 69 u32 aa_index; 70 u32 flags; 71 }; 72 73 #define DRCONF_MEM_ASSIGNED 0x00000008 74 #define DRCONF_MEM_AI_INVALID 0x00000040 75 #define DRCONF_MEM_RESERVED 0x00000080 76 77 /* These includes are put at the bottom because they may contain things 78 * that are overridden by this file. Ideally they shouldn't be included 79 * by this file, but there are a bunch of .c files that currently depend 80 * on it. Eventually they will be cleaned up. */ 81 #include <linux/of_fdt.h> 82 #include <linux/of_address.h> 83 #include <linux/of_irq.h> 84 #include <linux/platform_device.h> 85 86 #endif /* __KERNEL__ */ 87 #endif /* _POWERPC_PROM_H */ 88