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/*
* U-boot - bf533_linux.c
*
* Copyright (c) 2005-2007 Analog Devices Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* 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., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
/* Dummy functions, currently not in Use */
#include <common.h>
#include <command.h>
#include <image.h>
#include <zlib.h>
#include <asm/byteorder.h>
#define LINUX_MAX_ENVS 256
#define LINUX_MAX_ARGS 256
#define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */
#ifdef SHARED_RESOURCES
extern void swap_to(int device_id);
#endif
extern void flush_instruction_cache(void);
extern void flush_data_cache(void);
static char *make_command_line(void);
void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
bootm_headers_t *images)
{
int (*appl) (char *cmdline);
char *cmdline;
ulong ep = 0;
if (!images->autostart)
return ;
#ifdef SHARED_RESOURCES
swap_to(FLASH);
#endif
/* find kernel entry point */
if (images->legacy_hdr_valid) {
ep = image_get_ep (images->legacy_hdr_os);
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
int ret = fit_image_get_entry (images->fit_hdr_os,
images->fit_noffset_os, &ep);
if (ret) {
puts ("Can't get entry point property!\n");
goto error;
}
#endif
} else {
puts ("Could not find kernel entry point!\n");
goto error;
}
appl = (int (*)(char *))ep;
printf("Starting Kernel at = %x\n", appl);
cmdline = make_command_line();
if (icache_status()) {
flush_instruction_cache();
icache_disable();
}
if (dcache_status()) {
flush_data_cache();
dcache_disable();
}
(*appl) (cmdline);
/* does not return */
return;
error:
if (images->autostart)
do_reset (cmdtp, flag, argc, argv);
return;
}
char *make_command_line(void)
{
char *dest = (char *)CMD_LINE_ADDR;
char *bootargs;
if ((bootargs = getenv("bootargs")) == NULL)
return NULL;
strncpy(dest, bootargs, 0x1000);
dest[0xfff] = 0;
return dest;
}
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