2 * U-boot - bf533_linux.c
4 * Copyright (c) 2005-2007 Analog Devices Inc.
6 * (C) Copyright 2000-2004
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
28 /* Dummy functions, currently not in Use */
34 #include <asm/byteorder.h>
36 #define LINUX_MAX_ENVS 256
37 #define LINUX_MAX_ARGS 256
39 #define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */
41 #ifdef SHARED_RESOURCES
42 extern void swap_to(int device_id);
45 extern void flush_instruction_cache(void);
46 extern void flush_data_cache(void);
47 static char *make_command_line(void);
49 void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
50 bootm_headers_t *images, int verify)
52 int (*appl) (char *cmdline);
56 #ifdef SHARED_RESOURCES
60 /* find kernel entry point */
61 if (images->legacy_hdr_valid) {
62 ep = image_get_ep (images->legacy_hdr_os);
63 #if defined(CONFIG_FIT)
64 } else if (images->fit_uname_os) {
65 fit_unsupported_reset ("AVR32 linux bootm");
66 do_reset (cmdtp, flag, argc, argv);
69 puts ("Could not find kernel entry point!\n");
70 do_reset (cmdtp, flag, argc, argv);
72 appl = (int (*)(char *))ep;
74 printf("Starting Kernel at = %x\n", appl);
75 cmdline = make_command_line();
76 if (icache_status()) {
77 flush_instruction_cache();
80 if (dcache_status()) {
87 char *make_command_line(void)
89 char *dest = (char *)CMD_LINE_ADDR;
92 if ((bootargs = getenv("bootargs")) == NULL)
95 strncpy(dest, bootargs, 0x1000);