| 1 | /*
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| 2 | * Copyright (c) 2005 Martin Decky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #ifndef BOOT_OFW_H_
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| 30 | #define BOOT_OFW_H_
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| 31 |
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| 32 | #include <types.h>
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| 33 | #include <stdarg.h>
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| 34 |
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| 35 | #define MEMMAP_MAX_RECORDS 32
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| 36 | #define MAX_OFW_ARGS 12
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| 37 |
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| 38 | #define OFW_TREE_PATH_MAX_LEN 256
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| 39 | #define OFW_TREE_PROPERTY_MAX_NAMELEN 32
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| 40 | #define OFW_TREE_PROPERTY_MAX_VALUELEN 64
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| 41 |
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| 42 | typedef unative_t ofw_arg_t;
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| 43 | typedef unsigned int ihandle;
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| 44 | typedef unsigned int phandle;
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| 45 |
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| 46 | /** OpenFirmware command structure
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| 47 | *
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| 48 | */
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| 49 | typedef struct {
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| 50 | ofw_arg_t service; /**< Command name. */
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| 51 | ofw_arg_t nargs; /**< Number of in arguments. */
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| 52 | ofw_arg_t nret; /**< Number of out arguments. */
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| 53 | ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments. */
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| 54 | } ofw_args_t;
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| 55 |
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| 56 | typedef struct {
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| 57 | void *start;
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| 58 | uint32_t size;
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| 59 | } memzone_t;
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| 60 |
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| 61 | typedef struct {
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| 62 | uint32_t total;
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| 63 | uint32_t count;
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| 64 | memzone_t zones[MEMMAP_MAX_RECORDS];
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| 65 | } memmap_t;
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| 66 |
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| 67 | typedef struct {
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| 68 | uint32_t info;
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| 69 | uint32_t addr_hi;
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| 70 | uint32_t addr_lo;
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| 71 | } pci_addr_t;
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| 72 |
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| 73 | typedef struct {
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| 74 | pci_addr_t addr;
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| 75 | uint32_t size_hi;
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| 76 | uint32_t size_lo;
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| 77 | } pci_reg_t;
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| 78 |
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| 79 | extern uintptr_t ofw_cif;
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| 80 |
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| 81 | extern phandle ofw_chosen;
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| 82 | extern ihandle ofw_stdout;
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| 83 | extern phandle ofw_root;
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| 84 | extern ihandle ofw_mmu;
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| 85 | extern phandle ofw_memory;
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| 86 |
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| 87 | extern void ofw_init(void);
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| 88 |
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| 89 | extern void ofw_write(const char *str, const int len);
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| 90 |
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| 91 | extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen);
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| 92 | extern int ofw_get_proplen(const phandle device, const char *name);
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| 93 | extern int ofw_next_property(const phandle device, char *previous, char *buf);
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| 94 |
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| 95 | extern phandle ofw_get_child_node(const phandle node);
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| 96 | extern phandle ofw_get_peer_node(const phandle node);
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| 97 | extern phandle ofw_find_device(const char *name);
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| 98 |
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| 99 | extern int ofw_package_to_path(const phandle device, char *buf, const int buflen);
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| 100 |
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| 101 | extern int ofw(ofw_args_t *arg);
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| 102 | extern unsigned long ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets, ...);
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| 103 | extern unsigned int ofw_get_address_cells(const phandle device);
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| 104 | extern unsigned int ofw_get_size_cells(const phandle device);
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| 105 | extern void *ofw_translate(const void *virt);
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| 106 | extern int ofw_translate_failed(ofw_arg_t flag);
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| 107 | extern void *ofw_claim_virt(const void *virt, const unsigned int len);
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| 108 | extern void *ofw_claim_phys(const void *virt, const unsigned int len);
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| 109 | extern void *ofw_claim_phys_any(const unsigned int len, const unsigned int alignment);
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| 110 | extern int ofw_map(const void *phys, const void *virt, const unsigned int size, const int mode);
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| 111 | extern int ofw_memmap(memmap_t *map);
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| 112 | extern void ofw_setup_screens(void);
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| 113 | extern void ofw_quiesce(void);
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| 114 |
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| 115 | #endif
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