129ac799ad
Only thing left in it is of_instantiate_rtc() which can be moved to asm/prom.h on PowerPC and is unused in microblaze. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: David S. Miller <davem@davemloft.net>
123 lines
3.7 KiB
C
123 lines
3.7 KiB
C
#include <linux/of.h> /* linux/of.h gets to determine #include ordering */
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#ifndef _POWERPC_PROM_H
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#define _POWERPC_PROM_H
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#ifdef __KERNEL__
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/*
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* Definitions for talking to the Open Firmware PROM on
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* Power Macintosh computers.
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*
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* Copyright (C) 1996-2005 Paul Mackerras.
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*
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* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/types.h>
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#include <linux/of_fdt.h>
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#include <linux/of_address.h>
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#include <linux/of_irq.h>
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#include <linux/proc_fs.h>
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#include <linux/platform_device.h>
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#include <asm/irq.h>
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#include <asm/atomic.h>
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#define HAVE_ARCH_DEVTREE_FIXUPS
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#ifdef CONFIG_PPC32
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/*
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* PCI <-> OF matching functions
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* (XXX should these be here?)
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*/
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struct pci_bus;
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struct pci_dev;
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extern int pci_device_from_OF_node(struct device_node *node,
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u8* bus, u8* devfn);
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extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int);
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extern struct device_node* pci_device_to_OF_node(struct pci_dev *);
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extern void pci_create_OF_bus_map(void);
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#endif
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/*
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* OF address retreival & translation
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*/
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/* Translate a DMA address from device space to CPU space */
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extern u64 of_translate_dma_address(struct device_node *dev,
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const u32 *in_addr);
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/* Extract an address from a device, returns the region size and
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* the address space flags too. The PCI version uses a BAR number
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* instead of an absolute index
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*/
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extern const u32 *of_get_address(struct device_node *dev, int index,
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u64 *size, unsigned int *flags);
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#ifdef CONFIG_PCI
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extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no,
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u64 *size, unsigned int *flags);
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#else
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static inline const u32 *of_get_pci_address(struct device_node *dev,
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int bar_no, u64 *size, unsigned int *flags)
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{
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return NULL;
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}
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#endif /* CONFIG_PCI */
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#ifdef CONFIG_PCI
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extern int of_pci_address_to_resource(struct device_node *dev, int bar,
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struct resource *r);
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#else
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static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
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struct resource *r)
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{
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return -ENOSYS;
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}
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#endif /* CONFIG_PCI */
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#ifdef CONFIG_PCI
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extern unsigned long pci_address_to_pio(phys_addr_t address);
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#else
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static inline unsigned long pci_address_to_pio(phys_addr_t address)
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{
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return (unsigned long)-1;
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}
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#endif /* CONFIG_PCI */
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/* Parse the ibm,dma-window property of an OF node into the busno, phys and
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* size parameters.
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*/
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void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
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unsigned long *busno, unsigned long *phys, unsigned long *size);
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extern void kdump_move_device_tree(void);
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/* CPU OF node matching */
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struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
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/* cache lookup */
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struct device_node *of_find_next_cache_node(struct device_node *np);
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/* Get the MAC address */
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extern const void *of_get_mac_address(struct device_node *np);
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/**
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* of_irq_map_pci - Resolve the interrupt for a PCI device
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* @pdev: the device whose interrupt is to be resolved
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* @out_irq: structure of_irq filled by this function
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*
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* This function resolves the PCI interrupt for a given PCI device. If a
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* device-node exists for a given pci_dev, it will use normal OF tree
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* walking. If not, it will implement standard swizzling and walk up the
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* PCI tree until an device-node is found, at which point it will finish
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* resolving using the OF tree walking.
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*/
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struct pci_dev;
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extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
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extern void of_instantiate_rtc(void);
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#endif /* __KERNEL__ */
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#endif /* _POWERPC_PROM_H */
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