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Diffstat (limited to 'include/grub/uboot/api_public.h')
| -rw-r--r-- | include/grub/uboot/api_public.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/include/grub/uboot/api_public.h b/include/grub/uboot/api_public.h new file mode 100644 index 0000000..0707f5c --- /dev/null +++ b/include/grub/uboot/api_public.h @@ -0,0 +1,181 @@ +/* + * (C) Copyright 2007-2008 Semihalf + * + * Written by: Rafal Jaworowski <raj@semihalf.com> + * + * This file is dual licensed; you can use it under the terms of + * either the GPL, or the BSD license, at your option. + * + * I. GPL: + * + * This file 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. + * + * This file 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * Alternatively, + * + * II. BSD license: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 _API_PUBLIC_H_ +#define _API_PUBLIC_H_ + +#define API_EINVAL 1 /* invalid argument(s) */ +#define API_ENODEV 2 /* no device */ +#define API_ENOMEM 3 /* no memory */ +#define API_EBUSY 4 /* busy, occupied etc. */ +#define API_EIO 5 /* I/O error */ +#define API_ESYSC 6 /* syscall error */ + +typedef int (*scp_t) (int, int *, ...); + +#define API_SIG_VERSION 1 +#define API_SIG_MAGIC "UBootAPI" +#define API_SIG_MAGLEN 8 + +struct api_signature +{ + char magic[API_SIG_MAGLEN]; /* magic string */ + grub_uint16_t version; /* API version */ + grub_uint32_t checksum; /* checksum of this sig struct */ + scp_t syscall; /* entry point to the API */ +}; + +enum +{ + API_RSVD = 0, + API_GETC, + API_PUTC, + API_TSTC, + API_PUTS, + API_RESET, + API_GET_SYS_INFO, + API_UDELAY, + API_GET_TIMER, + API_DEV_ENUM, + API_DEV_OPEN, + API_DEV_CLOSE, + API_DEV_READ, + API_DEV_WRITE, + API_ENV_ENUM, + API_ENV_GET, + API_ENV_SET, + API_DISPLAY_GET_INFO, + API_DISPLAY_DRAW_BITMAP, + API_DISPLAY_CLEAR, + API_MAXCALL +}; + +#define MR_ATTR_FLASH 0x0001 +#define MR_ATTR_DRAM 0x0002 +#define MR_ATTR_SRAM 0x0003 +#define MR_ATTR_MASK 0x000f + +struct mem_region +{ + unsigned long start; + unsigned long size; + int flags; +}; + +struct sys_info +{ + unsigned long clk_bus; + unsigned long clk_cpu; + unsigned long bar; + struct mem_region *mr; + int mr_no; /* number of memory regions */ +}; + +#undef CONFIG_SYS_64BIT_LBA +#ifdef CONFIG_SYS_64BIT_LBA +typedef u_int64_t lbasize_t; +#else +typedef unsigned long lbasize_t; +#endif +typedef unsigned long lbastart_t; + +#define DEV_TYP_NONE 0x0000 +#define DEV_TYP_NET 0x0001 + +#define DEV_TYP_STOR 0x0002 +#define DT_STOR_IDE 0x0010 +#define DT_STOR_SCSI 0x0020 +#define DT_STOR_USB 0x0040 +#define DT_STOR_MMC 0x0080 +#define DT_STOR_SATA 0x0100 + +#define DEV_STA_CLOSED 0x0000 /* invalid, closed */ +#define DEV_STA_OPEN 0x0001 /* open i.e. active */ + +struct device_info +{ + int type; + void *cookie; + + union + { + struct + { + lbasize_t block_count; /* no of blocks */ + unsigned long block_size; /* size of one block */ + } storage; + + struct + { + unsigned char hwaddr[6]; + } net; + } info; +#define di_stor info.storage +#define di_net info.net + + int state; +}; + +#define DISPLAY_TYPE_LCD 0x0001 +#define DISPLAY_TYPE_VIDEO 0x0002 + +struct display_info +{ + int type; + /* screen size in pixels */ + int pixel_width; + int pixel_height; + /* screen size in rows and columns of text */ + int screen_rows; + int screen_cols; +}; + +#endif /* _API_PUBLIC_H_ */ |