| #include <linux/of.h> /* linux/of.h gets to determine #include ordering */ |
| #ifndef _POWERPC_PROM_H |
| #define _POWERPC_PROM_H |
| #ifdef __KERNEL__ |
| |
| /* |
| * Definitions for talking to the Open Firmware PROM on |
| * Power Macintosh computers. |
| * |
| * Copyright (C) 1996-2005 Paul Mackerras. |
| * |
| * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| #include <linux/types.h> |
| #include <asm/irq.h> |
| #include <asm/atomic.h> |
| |
| #define HAVE_ARCH_DEVTREE_FIXUPS |
| |
| #ifdef CONFIG_PPC32 |
| /* |
| * PCI <-> OF matching functions |
| * (XXX should these be here?) |
| */ |
| struct pci_bus; |
| struct pci_dev; |
| extern int pci_device_from_OF_node(struct device_node *node, |
| u8* bus, u8* devfn); |
| extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int); |
| extern struct device_node* pci_device_to_OF_node(struct pci_dev *); |
| extern void pci_create_OF_bus_map(void); |
| #endif |
| |
| /* |
| * OF address retreival & translation |
| */ |
| |
| /* Translate a DMA address from device space to CPU space */ |
| extern u64 of_translate_dma_address(struct device_node *dev, |
| const __be32 *in_addr); |
| |
| #ifdef CONFIG_PCI |
| extern unsigned long pci_address_to_pio(phys_addr_t address); |
| #define pci_address_to_pio pci_address_to_pio |
| #endif /* CONFIG_PCI */ |
| |
| /* Parse the ibm,dma-window property of an OF node into the busno, phys and |
| * size parameters. |
| */ |
| void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, |
| unsigned long *busno, unsigned long *phys, unsigned long *size); |
| |
| extern void kdump_move_device_tree(void); |
| |
| /* CPU OF node matching */ |
| struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); |
| |
| /* cache lookup */ |
| struct device_node *of_find_next_cache_node(struct device_node *np); |
| |
| #ifdef CONFIG_NUMA |
| extern int of_node_to_nid(struct device_node *device); |
| #else |
| static inline int of_node_to_nid(struct device_node *device) { return 0; } |
| #endif |
| #define of_node_to_nid of_node_to_nid |
| |
| /** |
| * of_irq_map_pci - Resolve the interrupt for a PCI device |
| * @pdev: the device whose interrupt is to be resolved |
| * @out_irq: structure of_irq filled by this function |
| * |
| * This function resolves the PCI interrupt for a given PCI device. If a |
| * device-node exists for a given pci_dev, it will use normal OF tree |
| * walking. If not, it will implement standard swizzling and walk up the |
| * PCI tree until an device-node is found, at which point it will finish |
| * resolving using the OF tree walking. |
| */ |
| struct pci_dev; |
| struct of_irq; |
| extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); |
| |
| extern void of_instantiate_rtc(void); |
| |
| /* These includes are put at the bottom because they may contain things |
| * that are overridden by this file. Ideally they shouldn't be included |
| * by this file, but there are a bunch of .c files that currently depend |
| * on it. Eventually they will be cleaned up. */ |
| #include <linux/of_fdt.h> |
| #include <linux/of_address.h> |
| #include <linux/of_irq.h> |
| #include <linux/platform_device.h> |
| |
| #endif /* __KERNEL__ */ |
| #endif /* _POWERPC_PROM_H */ |