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/*
* (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);
}
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