| /* |
| * (C) Copyright 2007 Michal Simek |
| * (C) Copyright 2004 Atmark Techno, Inc. |
| * |
| * Michal SIMEK <monstr@monstr.eu> |
| * Yasushi SHOJI <yashi@atmark-techno.com> |
| * |
| * 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 |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <image.h> |
| #include <zlib.h> |
| #include <asm/byteorder.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| extern int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]); |
| |
| void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[], |
| image_header_t *hdr, int verify) |
| { |
| int i; |
| ulong checksum; |
| |
| ulong rd_data, rd_len; |
| ulong initrd_start, initrd_end; |
| image_header_t *rd_hdr; |
| |
| /* First parameter is mapped to $r5 for kernel boot args */ |
| void (*theKernel) (char *); |
| char *commandline = getenv ("bootargs"); |
| |
| theKernel = (void (*)(char *))image_get_ep (hdr); |
| |
| /* Check if there is an initrd image */ |
| if (argc >= 3) { |
| show_boot_progress (9); |
| |
| rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16); |
| printf ("## Loading Ramdisk Image at %08lx ...\n", rd_hdr); |
| |
| if (!image_check_magic (rd_hdr)) { |
| printf ("Bad Magic Number\n"); |
| show_boot_progress (-10); |
| do_reset (cmdtp, flag, argc, argv); |
| } |
| |
| if (!image_check_magic (rd_hdr)) { |
| printf ("Bad Header Checksum\n"); |
| show_boot_progress (-11); |
| do_reset (cmdtp, flag, argc, argv); |
| } |
| |
| show_boot_progress (10); |
| print_image_hdr (rd_hdr); |
| |
| rd_data = image_get_data (rd_hdr); |
| rd_en = image_get_data_size (rd_hdr); |
| |
| if (verify) { |
| printf (" Verifying Checksum ... "); |
| if (!image_check_dcrc (rd_hdr)) { |
| printf ("Bad Data CRC\n"); |
| show_boot_progress (-12); |
| do_reset (cmdtp, flag, argc, argv); |
| } |
| printf ("OK\n"); |
| } |
| |
| show_boot_progress (11); |
| |
| if (!image_check_os (rd_hdr, IH_OS_LINUX) || |
| !image_check_arch (rd_hdr, IH_ARCH_MICROBLAZE) || |
| !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { |
| printf ("No Linux Microblaze Ramdisk Image\n"); |
| show_boot_progress (-13); |
| do_reset (cmdtp, flag, argc, argv); |
| } |
| |
| /* |
| * Now check if we have a multifile image |
| */ |
| } else if (image_check_type (hdr, IH_TYPE_MULTI)) { |
| /* |
| * Get second entry data start address and len |
| */ |
| show_boot_progress (13); |
| image_multi_getimg (hdr, 1, &rd_data, &rd_len); |
| } else { |
| /* |
| * no initrd image |
| */ |
| show_boot_progress (14); |
| |
| rd_data = rd_len = 0; |
| } |
| |
| #ifdef DEBUG |
| if (!rd_data) { |
| printf ("No initrd\n"); |
| } |
| #endif |
| |
| if (rd_data) { |
| initrd_start = rd_data; |
| initrd_end = initrd_start + rd_len; |
| } else { |
| initrd_start = 0; |
| initrd_end = 0; |
| } |
| |
| show_boot_progress (15); |
| |
| #ifdef DEBUG |
| printf ("## Transferring control to Linux (at address %08lx) ...\n", |
| (ulong) theKernel); |
| #endif |
| |
| theKernel (commandline); |
| } |