2 * (C) Copyright 2007 Michal Simek
3 * (C) Copyright 2004 Atmark Techno, Inc.
5 * Michal SIMEK <monstr@monstr.eu>
6 * Yasushi SHOJI <yashi@atmark-techno.com>
8 * See file CREDITS for list of people who contributed to this
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.
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.
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
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 #include <asm/byteorder.h>
33 DECLARE_GLOBAL_DATA_PTR;
35 extern int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
37 void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
38 image_header_t *hdr, int verify)
43 ulong rd_data, rd_len;
44 ulong initrd_start, initrd_end;
45 image_header_t *rd_hdr;
47 /* First parameter is mapped to $r5 for kernel boot args */
48 void (*theKernel) (char *);
49 char *commandline = getenv ("bootargs");
51 theKernel = (void (*)(char *))image_get_ep (hdr);
53 /* Check if there is an initrd image */
55 show_boot_progress (9);
57 rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16);
58 printf ("## Loading Ramdisk Image at %08lx ...\n", rd_hdr);
60 if (!image_check_magic (rd_hdr)) {
61 printf ("Bad Magic Number\n");
62 show_boot_progress (-10);
63 do_reset (cmdtp, flag, argc, argv);
66 if (!image_check_magic (rd_hdr)) {
67 printf ("Bad Header Checksum\n");
68 show_boot_progress (-11);
69 do_reset (cmdtp, flag, argc, argv);
72 show_boot_progress (10);
73 print_image_hdr (rd_hdr);
75 rd_data = image_get_data (rd_hdr);
76 rd_en = image_get_data_size (rd_hdr);
79 printf (" Verifying Checksum ... ");
80 if (!image_check_dcrc (rd_hdr)) {
81 printf ("Bad Data CRC\n");
82 show_boot_progress (-12);
83 do_reset (cmdtp, flag, argc, argv);
88 show_boot_progress (11);
90 if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
91 !image_check_arch (rd_hdr, IH_ARCH_MICROBLAZE) ||
92 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
93 printf ("No Linux Microblaze Ramdisk Image\n");
94 show_boot_progress (-13);
95 do_reset (cmdtp, flag, argc, argv);
99 * Now check if we have a multifile image
101 } else if (image_check_type (hdr, IH_TYPE_MULTI)) {
103 * Get second entry data start address and len
105 show_boot_progress (13);
106 image_multi_getimg (hdr, 1, &rd_data, &rd_len);
111 show_boot_progress (14);
113 rd_data = rd_len = 0;
118 printf ("No initrd\n");
123 initrd_start = rd_data;
124 initrd_end = initrd_start + rd_len;
130 show_boot_progress (15);
133 printf ("## Transferring control to Linux (at address %08lx) ...\n",
137 theKernel (commandline);