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wdenk591dda52002-11-18 00:14:45 +00001/*
2 * (C) Copyright 2002
3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
5 *
6 * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
7 *
Graeme Russ45fc1d82011-04-13 19:43:26 +10008 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program 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.
wdenk591dda52002-11-18 00:14:45 +000015 *
16 * This program 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
Graeme Russ45fc1d82011-04-13 19:43:26 +100023 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
wdenk591dda52002-11-18 00:14:45 +000025 */
26
27#include <common.h>
28#include <command.h>
wdenk591dda52002-11-18 00:14:45 +000029#include <image.h>
Jean-Christophe PLAGNIOL-VILLARD6bb94492009-04-04 12:49:11 +020030#include <u-boot/zlib.h>
wdenk591dda52002-11-18 00:14:45 +000031#include <asm/byteorder.h>
32#include <asm/zimage.h>
33
wdenk57b2d802003-06-27 21:31:46 +000034/*cmd_boot.c*/
Graeme Russ883c6032011-11-08 02:33:15 +000035int do_bootm_linux(int flag, int argc, char * const argv[],
36 bootm_headers_t *images)
wdenk591dda52002-11-18 00:14:45 +000037{
Graeme Russ19fc0d52011-11-08 02:33:20 +000038 void *base_ptr = NULL;
Marian Balakowiczdbdd16a2008-02-04 08:28:09 +010039 ulong os_data, os_len;
Marian Balakowiczdbdd16a2008-02-04 08:28:09 +010040 image_header_t *hdr;
Graeme Russ2fe2a972008-09-07 07:08:42 +100041
Marian Balakowiczdf8ff332008-03-12 10:33:00 +010042#if defined(CONFIG_FIT)
43 const void *data;
44 size_t len;
45#endif
wdenk57b2d802003-06-27 21:31:46 +000046
Kumar Gala18178bc2008-10-21 17:25:45 -050047 if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
48 return 1;
49
Marian Balakowiczdbdd16a2008-02-04 08:28:09 +010050 if (images->legacy_hdr_valid) {
51 hdr = images->legacy_hdr_os;
Graeme Russ883c6032011-11-08 02:33:15 +000052 if (image_check_type(hdr, IH_TYPE_MULTI)) {
Marian Balakowiczdbdd16a2008-02-04 08:28:09 +010053 /* if multi-part image, we need to get first subimage */
Graeme Russ883c6032011-11-08 02:33:15 +000054 image_multi_getimg(hdr, 0, &os_data, &os_len);
Marian Balakowiczdbdd16a2008-02-04 08:28:09 +010055 } else {
56 /* otherwise get image data */
Graeme Russ883c6032011-11-08 02:33:15 +000057 os_data = image_get_data(hdr);
58 os_len = image_get_data_size(hdr);
Marian Balakowiczdbdd16a2008-02-04 08:28:09 +010059 }
60#if defined(CONFIG_FIT)
61 } else if (images->fit_uname_os) {
Graeme Russ883c6032011-11-08 02:33:15 +000062 ret = fit_image_get_data(images->fit_hdr_os,
Marian Balakowiczdf8ff332008-03-12 10:33:00 +010063 images->fit_noffset_os, &data, &len);
64 if (ret) {
Graeme Russ883c6032011-11-08 02:33:15 +000065 puts("Can't get image data/size!\n");
Marian Balakowiczdf8ff332008-03-12 10:33:00 +010066 goto error;
67 }
68 os_data = (ulong)data;
69 os_len = (ulong)len;
Marian Balakowiczdbdd16a2008-02-04 08:28:09 +010070#endif
Marian Balakowiczb4a12a92008-01-08 18:12:17 +010071 } else {
Graeme Russ883c6032011-11-08 02:33:15 +000072 puts("Could not find kernel image!\n");
Marian Balakowiczdf8ff332008-03-12 10:33:00 +010073 goto error;
Wolfgang Denk44cacdc2006-07-21 11:30:18 +020074 }
75
Graeme Russ19fc0d52011-11-08 02:33:20 +000076#ifdef CONFIG_CMD_ZBOOT
Graeme Russ883c6032011-11-08 02:33:15 +000077 base_ptr = load_zimage((void *)os_data, os_len,
Kumar Galafffb1432008-08-15 08:24:37 -050078 images->rd_start, images->rd_end - images->rd_start, 0);
Graeme Russ19fc0d52011-11-08 02:33:20 +000079#endif
wdenk591dda52002-11-18 00:14:45 +000080
81 if (NULL == base_ptr) {
Graeme Russ883c6032011-11-08 02:33:15 +000082 printf("## Kernel loading failed ...\n");
Marian Balakowiczdf8ff332008-03-12 10:33:00 +010083 goto error;
wdenk57b2d802003-06-27 21:31:46 +000084
wdenk591dda52002-11-18 00:14:45 +000085 }
wdenk57b2d802003-06-27 21:31:46 +000086
wdenk591dda52002-11-18 00:14:45 +000087#ifdef DEBUG
Graeme Russ883c6032011-11-08 02:33:15 +000088 printf("## Transferring control to Linux (at address %08x) ...\n",
wdenk591dda52002-11-18 00:14:45 +000089 (u32)base_ptr);
90#endif
wdenk57b2d802003-06-27 21:31:46 +000091
wdenk591dda52002-11-18 00:14:45 +000092 /* we assume that the kernel is in place */
93 printf("\nStarting kernel ...\n\n");
wdenk591dda52002-11-18 00:14:45 +000094
wdenk57b2d802003-06-27 21:31:46 +000095 boot_zimage(base_ptr);
Marian Balakowiczdf8ff332008-03-12 10:33:00 +010096 /* does not return */
wdenk591dda52002-11-18 00:14:45 +000097
Marian Balakowiczdf8ff332008-03-12 10:33:00 +010098error:
Kumar Gala48626aa2008-08-15 08:24:45 -050099 return 1;
wdenk57b2d802003-06-27 21:31:46 +0000100}