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/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BOOT_OFW_H_
#define BOOT_OFW_H_
#include <boot/types.h>
#include <stdarg.h>
#define MEMMAP_MAX_RECORDS 32
#define MAX_OFW_ARGS 12
#define OFW_TREE_PATH_MAX_LEN 256
#define OFW_TREE_PROPERTY_MAX_NAMELEN 32
#define OFW_TREE_PROPERTY_MAX_VALUELEN 64
typedef unative_t ofw_arg_t;
typedef unsigned int ihandle;
typedef unsigned int phandle;
/** OpenFirmware command structure
*
*/
typedef struct {
ofw_arg_t service; /**< Command name. */
ofw_arg_t nargs; /**< Number of in arguments. */
ofw_arg_t nret; /**< Number of out arguments. */
ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments. */
} ofw_args_t;
typedef struct {
void *start;
uint32_t size;
} memzone_t;
typedef struct {
uint32_t total;
uint32_t count;
memzone_t zones[MEMMAP_MAX_RECORDS];
} memmap_t;
typedef struct {
uint32_t info;
uint32_t addr_hi;
uint32_t addr_lo;
} pci_addr_t;
typedef struct {
pci_addr_t addr;
uint32_t size_hi;
uint32_t size_lo;
} pci_reg_t;
extern uintptr_t ofw_cif;
extern phandle ofw_chosen;
extern ihandle ofw_stdout;
extern phandle ofw_root;
extern ihandle ofw_mmu;
extern phandle ofw_memory;
extern void ofw_init(void);
extern void ofw_write(const char *str, const int len);
extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen);
extern int ofw_get_proplen(const phandle device, const char *name);
extern int ofw_next_property(const phandle device, char *previous, char *buf);
extern phandle ofw_get_child_node(const phandle node);
extern phandle ofw_get_peer_node(const phandle node);
extern phandle ofw_find_device(const char *name);
extern int ofw_package_to_path(const phandle device, char *buf, const int buflen);
extern int ofw(ofw_args_t *arg);
extern unsigned long ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets, ...);
extern unsigned int ofw_get_address_cells(const phandle device);
extern unsigned int ofw_get_size_cells(const phandle device);
extern void *ofw_translate(const void *virt);
extern int ofw_translate_failed(ofw_arg_t flag);
extern void *ofw_claim_virt(const void *virt, const unsigned int len);
extern void *ofw_claim_phys(const void *virt, const unsigned int len);
extern void *ofw_claim_phys_any(const unsigned int len, const unsigned int alignment);
extern int ofw_map(const void *phys, const void *virt, const unsigned int size, const int mode);
extern int ofw_memmap(memmap_t *map);
extern void ofw_setup_screens(void);
extern void ofw_quiesce(void);
#endif
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