19d24c888SGrant Likely #include <linux/of.h> /* linux/of.h gets to determine #include ordering */ 2b8b572e1SStephen Rothwell #ifndef _POWERPC_PROM_H 3b8b572e1SStephen Rothwell #define _POWERPC_PROM_H 4b8b572e1SStephen Rothwell #ifdef __KERNEL__ 5b8b572e1SStephen Rothwell 6b8b572e1SStephen Rothwell /* 7b8b572e1SStephen Rothwell * Definitions for talking to the Open Firmware PROM on 8b8b572e1SStephen Rothwell * Power Macintosh computers. 9b8b572e1SStephen Rothwell * 10b8b572e1SStephen Rothwell * Copyright (C) 1996-2005 Paul Mackerras. 11b8b572e1SStephen Rothwell * 12b8b572e1SStephen Rothwell * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. 13b8b572e1SStephen Rothwell * 14b8b572e1SStephen Rothwell * This program is free software; you can redistribute it and/or 15b8b572e1SStephen Rothwell * modify it under the terms of the GNU General Public License 16b8b572e1SStephen Rothwell * as published by the Free Software Foundation; either version 17b8b572e1SStephen Rothwell * 2 of the License, or (at your option) any later version. 18b8b572e1SStephen Rothwell */ 19b8b572e1SStephen Rothwell #include <linux/types.h> 20b8b572e1SStephen Rothwell #include <asm/irq.h> 2160063497SArun Sharma #include <linux/atomic.h> 22b8b572e1SStephen Rothwell 23b8b572e1SStephen Rothwell #define HAVE_ARCH_DEVTREE_FIXUPS 24b8b572e1SStephen Rothwell 25b8b572e1SStephen Rothwell /* 26b8b572e1SStephen Rothwell * OF address retreival & translation 27b8b572e1SStephen Rothwell */ 28b8b572e1SStephen Rothwell 29b8b572e1SStephen Rothwell /* Translate a DMA address from device space to CPU space */ 30b8b572e1SStephen Rothwell extern u64 of_translate_dma_address(struct device_node *dev, 310131d897SSebastian Andrzej Siewior const __be32 *in_addr); 32b8b572e1SStephen Rothwell 331f5bef30SGrant Likely #ifdef CONFIG_PCI 341f5bef30SGrant Likely extern unsigned long pci_address_to_pio(phys_addr_t address); 3522ae782fSGrant Likely #define pci_address_to_pio pci_address_to_pio 361f5bef30SGrant Likely #endif /* CONFIG_PCI */ 371f5bef30SGrant Likely 38b8b572e1SStephen Rothwell /* Parse the ibm,dma-window property of an OF node into the busno, phys and 39b8b572e1SStephen Rothwell * size parameters. 40b8b572e1SStephen Rothwell */ 41b8b572e1SStephen Rothwell void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, 42b8b572e1SStephen Rothwell unsigned long *busno, unsigned long *phys, unsigned long *size); 43b8b572e1SStephen Rothwell 44b8b572e1SStephen Rothwell extern void kdump_move_device_tree(void); 45b8b572e1SStephen Rothwell 46b8b572e1SStephen Rothwell /* CPU OF node matching */ 47b8b572e1SStephen Rothwell struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); 48b8b572e1SStephen Rothwell 49e523f723SNathan Lynch /* cache lookup */ 50e523f723SNathan Lynch struct device_node *of_find_next_cache_node(struct device_node *np); 51e523f723SNathan Lynch 52559e2b7eSGrant Likely #ifdef CONFIG_NUMA 53559e2b7eSGrant Likely extern int of_node_to_nid(struct device_node *device); 54559e2b7eSGrant Likely #else 55559e2b7eSGrant Likely static inline int of_node_to_nid(struct device_node *device) { return 0; } 56559e2b7eSGrant Likely #endif 57559e2b7eSGrant Likely #define of_node_to_nid of_node_to_nid 58559e2b7eSGrant Likely 59129ac799SGrant Likely extern void of_instantiate_rtc(void); 60129ac799SGrant Likely 61*f5949720SNathan Fontenot /* The of_drconf_cell struct defines the layout of the LMB array 62*f5949720SNathan Fontenot * specified in the device tree property 63*f5949720SNathan Fontenot * ibm,dynamic-reconfiguration-memory/ibm,dynamic-memory 64*f5949720SNathan Fontenot */ 65*f5949720SNathan Fontenot struct of_drconf_cell { 66*f5949720SNathan Fontenot u64 base_addr; 67*f5949720SNathan Fontenot u32 drc_index; 68*f5949720SNathan Fontenot u32 reserved; 69*f5949720SNathan Fontenot u32 aa_index; 70*f5949720SNathan Fontenot u32 flags; 71*f5949720SNathan Fontenot }; 72*f5949720SNathan Fontenot 73*f5949720SNathan Fontenot #define DRCONF_MEM_ASSIGNED 0x00000008 74*f5949720SNathan Fontenot #define DRCONF_MEM_AI_INVALID 0x00000040 75*f5949720SNathan Fontenot #define DRCONF_MEM_RESERVED 0x00000080 76*f5949720SNathan Fontenot 7722ae782fSGrant Likely /* These includes are put at the bottom because they may contain things 7822ae782fSGrant Likely * that are overridden by this file. Ideally they shouldn't be included 7922ae782fSGrant Likely * by this file, but there are a bunch of .c files that currently depend 8022ae782fSGrant Likely * on it. Eventually they will be cleaned up. */ 8122ae782fSGrant Likely #include <linux/of_fdt.h> 8222ae782fSGrant Likely #include <linux/of_address.h> 8322ae782fSGrant Likely #include <linux/of_irq.h> 8422ae782fSGrant Likely #include <linux/platform_device.h> 8522ae782fSGrant Likely 86b8b572e1SStephen Rothwell #endif /* __KERNEL__ */ 87b8b572e1SStephen Rothwell #endif /* _POWERPC_PROM_H */ 88