From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/powerpc/include/asm/prom.h | 85 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 arch/powerpc/include/asm/prom.h (limited to 'arch/powerpc/include/asm/prom.h') diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h new file mode 100644 index 00000000..c189aa5f --- /dev/null +++ b/arch/powerpc/include/asm/prom.h @@ -0,0 +1,85 @@ +#include /* 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 +#include +#include + +#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 + +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 +#include +#include +#include + +#endif /* __KERNEL__ */ +#endif /* _POWERPC_PROM_H */ -- cgit v1.2.3