[566a1806] | 1 | /* |
---|
| 2 | * Copyright (c) 2005 Martin Decky |
---|
| 3 | * All rights reserved. |
---|
| 4 | * |
---|
| 5 | * Redistribution and use in source and binary forms, with or without |
---|
| 6 | * modification, are permitted provided that the following conditions |
---|
| 7 | * are met: |
---|
| 8 | * |
---|
| 9 | * - Redistributions of source code must retain the above copyright |
---|
| 10 | * notice, this list of conditions and the following disclaimer. |
---|
| 11 | * - Redistributions in binary form must reproduce the above copyright |
---|
| 12 | * notice, this list of conditions and the following disclaimer in the |
---|
| 13 | * documentation and/or other materials provided with the distribution. |
---|
| 14 | * - The name of the author may not be used to endorse or promote products |
---|
| 15 | * derived from this software without specific prior written permission. |
---|
| 16 | * |
---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
---|
| 27 | */ |
---|
| 28 | |
---|
| 29 | #ifndef BOOT_OFW_H_ |
---|
| 30 | #define BOOT_OFW_H_ |
---|
| 31 | |
---|
| 32 | #include <boot/types.h> |
---|
| 33 | #include <stdarg.h> |
---|
| 34 | |
---|
| 35 | #define MEMMAP_MAX_RECORDS 32 |
---|
| 36 | #define MAX_OFW_ARGS 12 |
---|
| 37 | |
---|
| 38 | #define OFW_TREE_PATH_MAX_LEN 256 |
---|
| 39 | #define OFW_TREE_PROPERTY_MAX_NAMELEN 32 |
---|
| 40 | #define OFW_TREE_PROPERTY_MAX_VALUELEN 64 |
---|
| 41 | |
---|
| 42 | typedef unative_t ofw_arg_t; |
---|
| 43 | typedef unsigned int ihandle; |
---|
| 44 | typedef unsigned int phandle; |
---|
| 45 | |
---|
| 46 | /** OpenFirmware command structure |
---|
| 47 | * |
---|
| 48 | */ |
---|
| 49 | typedef struct { |
---|
| 50 | ofw_arg_t service; /**< Command name. */ |
---|
| 51 | ofw_arg_t nargs; /**< Number of in arguments. */ |
---|
| 52 | ofw_arg_t nret; /**< Number of out arguments. */ |
---|
| 53 | ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments. */ |
---|
| 54 | } ofw_args_t; |
---|
| 55 | |
---|
| 56 | typedef struct { |
---|
| 57 | void *start; |
---|
| 58 | uint32_t size; |
---|
| 59 | } memzone_t; |
---|
| 60 | |
---|
| 61 | typedef struct { |
---|
| 62 | uint32_t total; |
---|
| 63 | uint32_t count; |
---|
| 64 | memzone_t zones[MEMMAP_MAX_RECORDS]; |
---|
| 65 | } memmap_t; |
---|
| 66 | |
---|
| 67 | typedef struct { |
---|
| 68 | uint32_t info; |
---|
| 69 | uint32_t addr_hi; |
---|
| 70 | uint32_t addr_lo; |
---|
| 71 | } pci_addr_t; |
---|
| 72 | |
---|
| 73 | typedef struct { |
---|
| 74 | pci_addr_t addr; |
---|
| 75 | uint32_t size_hi; |
---|
| 76 | uint32_t size_lo; |
---|
| 77 | } pci_reg_t; |
---|
| 78 | |
---|
| 79 | extern uintptr_t ofw_cif; |
---|
| 80 | |
---|
| 81 | extern phandle ofw_chosen; |
---|
| 82 | extern ihandle ofw_stdout; |
---|
| 83 | extern phandle ofw_root; |
---|
| 84 | extern ihandle ofw_mmu; |
---|
| 85 | extern phandle ofw_memory; |
---|
| 86 | |
---|
| 87 | extern void ofw_init(void); |
---|
| 88 | |
---|
| 89 | extern void ofw_write(const char *str, const int len); |
---|
| 90 | |
---|
| 91 | extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen); |
---|
| 92 | extern int ofw_get_proplen(const phandle device, const char *name); |
---|
| 93 | extern int ofw_next_property(const phandle device, char *previous, char *buf); |
---|
| 94 | |
---|
| 95 | extern phandle ofw_get_child_node(const phandle node); |
---|
| 96 | extern phandle ofw_get_peer_node(const phandle node); |
---|
| 97 | extern phandle ofw_find_device(const char *name); |
---|
| 98 | |
---|
| 99 | extern int ofw_package_to_path(const phandle device, char *buf, const int buflen); |
---|
| 100 | |
---|
| 101 | extern int ofw(ofw_args_t *arg); |
---|
| 102 | extern unsigned long ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets, ...); |
---|
[a0f27360] | 103 | extern void ofw_write(const char *str, const int len); |
---|
| 104 | extern void ofw_read(void *str, const int len); |
---|
[566a1806] | 105 | extern unsigned int ofw_get_address_cells(const phandle device); |
---|
| 106 | extern unsigned int ofw_get_size_cells(const phandle device); |
---|
| 107 | extern void *ofw_translate(const void *virt); |
---|
| 108 | extern int ofw_translate_failed(ofw_arg_t flag); |
---|
| 109 | extern void *ofw_claim_virt(const void *virt, const unsigned int len); |
---|
| 110 | extern void *ofw_claim_phys(const void *virt, const unsigned int len); |
---|
| 111 | extern void *ofw_claim_phys_any(const unsigned int len, const unsigned int alignment); |
---|
| 112 | extern int ofw_map(const void *phys, const void *virt, const unsigned int size, const int mode); |
---|
| 113 | extern int ofw_memmap(memmap_t *map); |
---|
| 114 | extern void ofw_setup_screens(void); |
---|
| 115 | extern void ofw_quiesce(void); |
---|
| 116 | |
---|
| 117 | #endif |
---|