X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fvxworks.h;h=f69b0084ff9feba21f310e22fb2945c564c1d41b;hb=506abdb4ee9664cc0d6d1321e96f7fb8dae72eb9;hp=917a9ff856705d01d6f4defd963ea10a1b9dde2d;hpb=54841ab50c20d6fa6c9cc3eb826989da3a22d934;p=oweals%2Fu-boot.git diff --git a/include/vxworks.h b/include/vxworks.h index 917a9ff856..f69b0084ff 100644 --- a/include/vxworks.h +++ b/include/vxworks.h @@ -2,52 +2,44 @@ * (C) Copyright 2008 * Niklaus Giger, niklaus.giger@member.fsf.org * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program 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 program 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 + * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _VXWORKS_H_ #define _VXWORKS_H_ -int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); - /* - * Use bootaddr to find the location in memory that VxWorks - * will look for the bootline string. The default value for - * PowerPC is LOCAL_MEM_LOCAL_ADRS + BOOT_LINE_OFFSET which - * defaults to 0x4200 + * VxWorks x86 E820 related stuff + * + * VxWorks on x86 gets E820 information from pre-defined address @ + * 0x4a00 and 0x4000. At 0x4a00 it's an information table defined + * by VxWorks and the actual E820 table entries starts from 0x4000. + * As defined by the BIOS E820 spec, the maximum number of E820 table + * entries is 128 and each entry occupies 20 bytes, so it's 128 * 20 + * = 2560 (0xa00) bytes in total. That's where VxWorks stores some + * information that is retrieved from the BIOS E820 call and saved + * later for sanity test during the kernel boot-up. */ -#ifndef CONFIG_SYS_VXWORKS_BOOT_ADDR -#define CONFIG_SYS_VXWORKS_BOOT_ADDR 0x4200 -#endif +#define VXWORKS_E820_DATA_ADDR 0x4000 +#define VXWORKS_E820_INFO_ADDR 0x4a00 -#ifndef CONFIG_SYS_VXWORKS_BOOT_DEVICE -#if defined(CONFIG_4xx) -#define CONFIG_SYS_VXWORKS_BOOT_DEVICE "emac(0,0)" -#elif defined(CONFIG_IOP480) -#define CONFIG_SYS_VXWORKS_BOOT_DEVICE "dc(0,0)" -#else -#define CONFIG_SYS_VXWORKS_BOOT_DEVICE "eth(0,0)" -#endif -#endif +/* E820 info signatiure "SMAP" - System MAP */ +#define E820_SIGNATURE 0x534d4150 -#ifndef CONFIG_SYS_VXWORKS_SERVERNAME -#define CONFIG_SYS_VXWORKS_SERVERNAME "srv" -#endif +struct e820info { + u32 sign; /* "SMAP" signature */ + u32 x0; /* don't care, used by VxWorks */ + u32 x1; /* don't care, used by VxWorks */ + u32 x2; /* don't care, used by VxWorks */ + u32 addr; /* last e820 table entry addr */ + u32 x3; /* don't care, used by VxWorks */ + u32 entries; /* e820 table entry count */ + u32 error; /* must be zero */ +}; + +int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); +void boot_prep_vxworks(bootm_headers_t *images); +void boot_jump_vxworks(bootm_headers_t *images); +void do_bootvx_fdt(bootm_headers_t *images); #endif