Removed unused CONFIG_L1_INIT_RAM symbol.

[oweals/u-boot.git] / lib_blackfin / bootm.c

diff --git a/lib_blackfin/bootm.c b/lib_blackfin/bootm.c
index 8010e5d64f426b8bfb9e0d708095f5ae4fa3e658..195eb9c009782500cd542ddcc9ea833d2205ba6a 100644 (file)
--- a/lib_blackfin/bootm.c
+++ b/lib_blackfin/bootm.c
@@ -1,98 +1,56 @@
 /*
- * U-boot - bf533_linux.c
+ * U-boot - bootm.c - misc boot helper functions
  *
- * Copyright (c) 2005-2007 Analog Devices Inc.
+ * Copyright (c) 2005-2008 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
+ * Licensed under the GPL-2 or later.
  */
 
-/* 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 */
+#include <asm/blackfin.h>
 
 #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);
+static char *make_command_line(void)
+{
+       char *dest = (char *)CMD_LINE_ADDR;
+       char *bootargs = getenv("bootargs");
+
+       if (bootargs == NULL)
+               return NULL;
+
+       strncpy(dest, bootargs, 0x1000);
+       dest[0xfff] = 0;
+       return dest;
+}
 
-void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
-                   bootm_headers_t *images, int verify)
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
        int     (*appl) (char *cmdline);
        char    *cmdline;
-       ulong   ep = 0;
+
+       if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+               return 1;
 
 #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) {
-               fit_unsupported_reset ("AVR32 linux bootm");
-               do_reset (cmdtp, flag, argc, argv);
-#endif
-       } else {
-               puts ("Could not find kernel entry point!\n");
-               do_reset (cmdtp, flag, argc, argv);
-       }
-       appl = (int (*)(char *))ep;
+       appl = (int (*)(char *))images->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();
-       }
+       icache_disable();
+       dcache_disable();
        (*appl) (cmdline);
-}
+       /* does not 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;
+       return 1;
 }