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/*
* arch/ubicom32/include/asm/devtree.h
* Device Tree Header File (Shared between ultra and the Host OS)
*
* (C) Copyright 2009, Ubicom, Inc.
*
* This file is part of the Ubicom32 Linux Kernel Port.
*
* The Ubicom32 Linux Kernel Port 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.
*
* The Ubicom32 Linux Kernel Port is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the Ubicom32 Linux Kernel Port. If not,
* see <http://www.gnu.org/licenses/>.
*
* Ubicom32 implementation derived from (with many thanks):
* arch/m68knommu
* arch/blackfin
* arch/parisc
*/
#ifndef _ASM_UBICOM32_DEVTREE_H
#define _ASM_UBICOM32_DEVTREE_H
#define DEVTREE_MAX_NAME 32
#define DEVTREE_IRQ_NONE 0xff
#define DEVTREE_IRQ_DONTCARE 0xff
#define DEVTREE_NODE_MAGIC 0x10203040
struct devtree_node {
struct devtree_node *next;
unsigned char sendirq;
unsigned char recvirq;
char name[DEVTREE_MAX_NAME];
unsigned int magic;
};
extern struct devtree_node *devtree;
extern struct devtree_node *devtree_find_by_irq(uint8_t sendirq, uint8_t recvirq);
extern struct devtree_node *devtree_find_node(const char *str);
extern struct devtree_node *devtree_find_next(struct devtree_node **cur);
extern int devtree_irq(struct devtree_node *dn, unsigned char *sendirq, unsigned char *recvirq);
extern void devtree_print(void);
#endif /* _ASM_UBICOM32_DEVTREE_H */
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