/* * U-boot - bf533_linux.c * * Copyright (c) 2005 blackfin.uclinux.org * * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * 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 */ /* Dummy functions, currently not in Use */ #include #include #include #include #include #define LINUX_MAX_ENVS 256 #define LINUX_MAX_ARGS 256 #ifdef CONFIG_SHOW_BOOT_PROGRESS #include #define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) #else #define SHOW_BOOT_PROGRESS(arg) #endif #define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */ #ifdef SHARED_RESOURCES extern void swap_to(int device_id); #endif static char *make_command_line(void); extern image_header_t header; void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[], ulong addr, ulong * len_ptr, int verify) { int (*appl)(char *cmdline); char *cmdline; #ifdef SHARED_RESOURCES swap_to(FLASH); #endif appl = (int (*)(char *))ntohl(header.ih_ep); printf("Starting Kernel at = %x\n", appl); cmdline = make_command_line(); if(icache_status()){ flush_instruction_cache(); icache_disable(); } if(dcache_status()){ flush_data_cache(); dcache_disable(); } (*appl)(cmdline); } char *make_command_line(void) { char *dest = (char *) CMD_LINE_ADDR; char *bootargs; if ( (bootargs = getenv("bootargs")) == NULL ) return NULL; strncpy(dest, bootargs, 0x1000); dest[0xfff] = 0; return dest; }