ARMv7: straighten out reset code

We don't need three different implementations.

Change-Id: Ie7b5fa90794676ea38838454a33e8e9188428eb7
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2406
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/arch/armv7/include/common.h

@@ -294,7 +294,6 @@ int	checkicache   (void);
 int	checkdcache   (void);
 void	upmconfig     (unsigned int, unsigned int *, unsigned int);
 ulong	get_tbclk     (void);
-void	reset_cpu     (ulong addr);
 #if defined (CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP)
 void ft_cpu_setup(void *blob, bd_t *bd);
 #endif

src/arch/armv7/lib/Makefile.inc

@@ -13,7 +13,6 @@ ramstage-y += div64.S
 #ramstage-y += interrupts.c
 #ramstage-y += memcpy.S
 #ramstage-y += memset.S
-#ramstage-y += reset.c
 ramstage-y += syslib.c
 
 #FIXME(dhendrix): should this be a config option?

src/arch/armv7/lib/interrupts.c

@@ -36,6 +36,7 @@
  */
 
 #include <common.h>
+#include <reset.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -105,7 +106,7 @@ int disable_interrupts (void)
 void bad_mode (void)
 {
 	panic ("Resetting CPU ...\n");
-	reset_cpu (0);
+	soft_reset();
 }
 
 void show_regs (struct pt_regs *regs)

src/arch/armv7/lib/reset.c

@@ -1,53 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * (C) Copyright 2004
- * DAVE Srl
- * http://www.dave-tech.it
- * http://www.wawnet.biz
- * mailto:info@wawnet.biz
- *
- * (C) Copyright 2004 Texas Insturments
- *
- * 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
- */
-
-#include <common.h>
-
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-	puts ("resetting ...\n");
-
-	udelay (50000);				/* wait 50 ms */
-
-	disable_interrupts();
-	reset_cpu(0);
-
-	/*NOTREACHED*/
-	return 0;
-}

src/cpu/samsung/exynos5-common/reset.c

@@ -21,10 +21,10 @@
  * MA 02111-1307 USA
  */
 
-#include <common.h>
+#include <reset.h>
 #include <arch/io.h>
 
-void reset_cpu(unsigned long addr)
+void soft_reset(void)
 {
 	writel(0x1, samsung_get_base_swreset());
 }