Blackfin: unify cpu and boot modes
All of the duplicated code for Blackfin processors and boot modes have been
unified. After all, the core is the same for all processors, just the
peripheral set differs (which gets handled in the drivers).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/lib_blackfin/bootm.c b/lib_blackfin/bootm.c
index 1ea80f4..bea11ed 100644
--- a/lib_blackfin/bootm.c
+++ b/lib_blackfin/bootm.c
@@ -1,52 +1,39 @@
/*
- * 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>
+#include <asm/blackfin.h>
-#define LINUX_MAX_ENVS 256
-#define LINUX_MAX_ARGS 256
-
-#define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#ifdef SHARED_RESOURCES
extern void swap_to(int device_id);
#endif
+static char *make_command_line(void)
+{
+ char *dest = (char *)CMD_LINE_ADDR;
+ char *bootargs = getenv("bootargs");
+
+ if (bootargs == NULL)
+ return NULL;
+
-extern void flush_instruction_cache(void);
-extern void flush_data_cache(void);
-static char *make_command_line(void);
+ strncpy(dest, bootargs, 0x1000);
+ dest[0xfff] = 0;
+ return dest;
+}
-void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
+void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
bootm_headers_t *images)
{
int (*appl) (char *cmdline);
@@ -54,7 +41,7 @@
ulong ep = 0;
if (!images->autostart)
- return ;
+ return;
#ifdef SHARED_RESOURCES
swap_to(FLASH);
@@ -80,33 +67,13 @@
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 */
return;
-error:
+ 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;
}