1*ea0364f1SPeter Tyser /* 2*ea0364f1SPeter Tyser * (C) Copyright 2003, Psyent Corporation <www.psyent.com> 3*ea0364f1SPeter Tyser * Scott McNutt <smcnutt@psyent.com> 4*ea0364f1SPeter Tyser * 5*ea0364f1SPeter Tyser * See file CREDITS for list of people who contributed to this 6*ea0364f1SPeter Tyser * project. 7*ea0364f1SPeter Tyser * 8*ea0364f1SPeter Tyser * This program is free software; you can redistribute it and/or 9*ea0364f1SPeter Tyser * modify it under the terms of the GNU General Public License as 10*ea0364f1SPeter Tyser * published by the Free Software Foundation; either version 2 of 11*ea0364f1SPeter Tyser * the License, or (at your option) any later version. 12*ea0364f1SPeter Tyser * 13*ea0364f1SPeter Tyser * This program is distributed in the hope that it will be useful, 14*ea0364f1SPeter Tyser * but WITHOUT ANY WARRANTY; without even the implied warranty of 15*ea0364f1SPeter Tyser * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16*ea0364f1SPeter Tyser * GNU General Public License for more details. 17*ea0364f1SPeter Tyser * 18*ea0364f1SPeter Tyser * You should have received a copy of the GNU General Public License 19*ea0364f1SPeter Tyser * along with this program; if not, write to the Free Software 20*ea0364f1SPeter Tyser * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21*ea0364f1SPeter Tyser * MA 02111-1307 USA 22*ea0364f1SPeter Tyser */ 23*ea0364f1SPeter Tyser 24*ea0364f1SPeter Tyser #include <common.h> 25*ea0364f1SPeter Tyser #include <command.h> 26*ea0364f1SPeter Tyser #include <asm/byteorder.h> 27*ea0364f1SPeter Tyser #include <asm/cache.h> 28*ea0364f1SPeter Tyser 29*ea0364f1SPeter Tyser #define NIOS_MAGIC 0x534f494e /* enable command line and initrd passing */ 30*ea0364f1SPeter Tyser 31*ea0364f1SPeter Tyser int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) 32*ea0364f1SPeter Tyser { 33*ea0364f1SPeter Tyser void (*kernel)(int, int, int, char *) = (void *)images->ep; 34*ea0364f1SPeter Tyser char *commandline = getenv("bootargs"); 35*ea0364f1SPeter Tyser ulong initrd_start = images->rd_start; 36*ea0364f1SPeter Tyser ulong initrd_end = images->rd_end; 37*ea0364f1SPeter Tyser 38*ea0364f1SPeter Tyser if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) 39*ea0364f1SPeter Tyser return 1; 40*ea0364f1SPeter Tyser 41*ea0364f1SPeter Tyser /* flushes data and instruction caches before calling the kernel */ 42*ea0364f1SPeter Tyser disable_interrupts(); 43*ea0364f1SPeter Tyser flush_dcache((ulong)kernel, CONFIG_SYS_DCACHE_SIZE); 44*ea0364f1SPeter Tyser flush_icache((ulong)kernel, CONFIG_SYS_ICACHE_SIZE); 45*ea0364f1SPeter Tyser 46*ea0364f1SPeter Tyser debug("bootargs=%s @ 0x%lx\n", commandline, (ulong)&commandline); 47*ea0364f1SPeter Tyser debug("initrd=0x%lx-0x%lx\n", (ulong)initrd_start, (ulong)initrd_end); 48*ea0364f1SPeter Tyser kernel(NIOS_MAGIC, initrd_start, initrd_end, commandline); 49*ea0364f1SPeter Tyser /* does not return */ 50*ea0364f1SPeter Tyser 51*ea0364f1SPeter Tyser return 1; 52*ea0364f1SPeter Tyser } 53