mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-27 15:12:21 +00:00
92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/*
|
|
* U-boot - bf533_linux.c
|
|
*
|
|
* Copyright (c) 2005 blackfin.uclinux.org
|
|
*
|
|
* (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., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 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
|
|
|
|
#ifdef CONFIG_SHOW_BOOT_PROGRESS
|
|
#include <status_led.h>
|
|
#define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
|
|
#else
|
|
#define SHOW_BOOT_PROGRESS(arg)
|
|
#endif
|
|
|
|
#define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */
|
|
|
|
#ifdef SHARED_RESOURCES
|
|
extern void swap_to(int device_id);
|
|
#endif
|
|
|
|
extern image_header_t header;
|
|
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[],
|
|
ulong addr, ulong * len_ptr, int verify)
|
|
{
|
|
int (*appl) (char *cmdline);
|
|
char *cmdline;
|
|
|
|
#ifdef SHARED_RESOURCES
|
|
swap_to(FLASH);
|
|
#endif
|
|
|
|
appl = (int (*)(char *))ntohl(header.ih_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);
|
|
}
|
|
|
|
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;
|
|
}
|