1 /* 2 * (C) Copyright 2007-2008 Semihalf 3 * 4 * Written by: Rafal Jaworowski <raj@semihalf.com> 5 * 6 * This file is dual licensed; you can use it under the terms of 7 * either the GPL, or the BSD license, at your option. 8 * 9 * I. GPL: 10 * 11 * This file is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; either version 2 of 14 * the License, or (at your option) any later version. 15 * 16 * This file is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 24 * MA 02111-1307 USA 25 * 26 * Alternatively, 27 * 28 * II. BSD license: 29 * 30 * Redistribution and use in source and binary forms, with or without 31 * modification, are permitted provided that the following conditions 32 * are met: 33 * 1. Redistributions of source code must retain the above copyright 34 * notice, this list of conditions and the following disclaimer. 35 * 2. Redistributions in binary form must reproduce the above copyright 36 * notice, this list of conditions and the following disclaimer in the 37 * documentation and/or other materials provided with the distribution. 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 40 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 42 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 43 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 44 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 45 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 47 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 48 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 49 * SUCH DAMAGE. 50 */ 51 52 #ifndef _API_PUBLIC_H_ 53 #define _API_PUBLIC_H_ 54 55 #define API_EINVAL 1 /* invalid argument(s) */ 56 #define API_ENODEV 2 /* no device */ 57 #define API_ENOMEM 3 /* no memory */ 58 #define API_EBUSY 4 /* busy, occupied etc. */ 59 #define API_EIO 5 /* I/O error */ 60 61 typedef int (*scp_t)(int, int *, ...); 62 63 #define API_SIG_VERSION 1 64 #define API_SIG_MAGIC "UBootAPI" 65 #define API_SIG_MAGLEN 8 66 67 struct api_signature { 68 char magic[API_SIG_MAGLEN]; /* magic string */ 69 uint16_t version; /* API version */ 70 uint32_t checksum; /* checksum of this sig struct */ 71 scp_t syscall; /* entry point to the API */ 72 }; 73 74 enum { 75 API_RSVD = 0, 76 API_GETC, 77 API_PUTC, 78 API_TSTC, 79 API_PUTS, 80 API_RESET, 81 API_GET_SYS_INFO, 82 API_UDELAY, 83 API_GET_TIMER, 84 API_DEV_ENUM, 85 API_DEV_OPEN, 86 API_DEV_CLOSE, 87 API_DEV_READ, 88 API_DEV_WRITE, 89 API_ENV_ENUM, 90 API_ENV_GET, 91 API_ENV_SET, 92 API_MAXCALL 93 }; 94 95 #define MR_ATTR_FLASH 0x0001 96 #define MR_ATTR_DRAM 0x0002 97 #define MR_ATTR_SRAM 0x0003 98 99 struct mem_region { 100 unsigned long start; 101 unsigned long size; 102 int flags; 103 }; 104 105 struct sys_info { 106 unsigned long clk_bus; 107 unsigned long clk_cpu; 108 unsigned long bar; 109 struct mem_region *mr; 110 int mr_no; /* number of memory regions */ 111 }; 112 113 #undef CFG_64BIT_LBA 114 #ifdef CFG_64BIT_LBA 115 typedef u_int64_t lbasize_t; 116 #else 117 typedef unsigned long lbasize_t; 118 #endif 119 typedef unsigned long lbastart_t; 120 121 #define DEV_TYP_NONE 0x0000 122 #define DEV_TYP_NET 0x0001 123 124 #define DEV_TYP_STOR 0x0002 125 #define DT_STOR_IDE 0x0010 126 #define DT_STOR_SCSI 0x0020 127 #define DT_STOR_USB 0x0040 128 #define DT_STOR_MMC 0x0080 129 #define DT_STOR_SATA 0x0100 130 131 #define DEV_STA_CLOSED 0x0000 /* invalid, closed */ 132 #define DEV_STA_OPEN 0x0001 /* open i.e. active */ 133 134 struct device_info { 135 int type; 136 void *cookie; 137 138 union { 139 struct { 140 lbasize_t block_count; /* no of blocks */ 141 unsigned long block_size; /* size of one block */ 142 } storage; 143 144 struct { 145 unsigned char hwaddr[6]; 146 } net; 147 } info; 148 #define di_stor info.storage 149 #define di_net info.net 150 151 int state; 152 }; 153 154 #endif /* _API_PUBLIC_H_ */ 155