[U-Boot] [2/5]devkit8000 nand_spl: omap3 support nand_spl boot

[simonschwarzcor at googlemail.com]

Deactivates caching in SPL. Add call to preloader_console_init for early console output.

Signed-off-by: Simon Schwarz <schwarz at corscience.de>
--

diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
index 6c2a132..bb38289 100644
--- a/arch/arm/cpu/armv7/omap3/board.c
+++ b/arch/arm/cpu/armv7/omap3/board.c
@@ -37,6 +37,7 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mem.h>
 #include <asm/cache.h>
+#include <asm/omap_common.h>
 
 extern omap3_sysinfo sysinfo;
 
@@ -166,10 +167,15 @@ void s_init(void)
 
 	try_unlock_memory();
 
+#ifdef CONFIG_PRELOADER
+	v7_flush_cache_all();
+#endif
+
 	/*
 	 * Right now flushing at low MPU speed.
 	 * Need to move after clock init
 	 */
+#ifndef CONFIG_PRELOADER
 	invalidate_dcache(get_device_type());
 #ifndef CONFIG_ICACHE_OFF
 	icache_enable();
@@ -187,13 +193,15 @@ void s_init(void)
 	 */
 	if (get_device_type() == GP_DEVICE)
 		setup_auxcr();
-
+#endif /*CONFIG_PRELOADER*/
 	set_muxconf_regs();
 	delay(100);
 
 	prcm_init();
-
 	per_clocks_enable();
+#ifdef CONFIG_PRELOADER
+	preloader_console_init();
+#endif
 
 	if (!in_sdram)
 		mem_init();
diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
new file mode 100644
index 0000000..375938b
--- /dev/null
+++ b/arch/arm/include/asm/omap_common.h
@@ -0,0 +1,30 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh at ti.com>
+ *
+ * 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
+ */
+#ifndef	_OMAP_COMMON_H_
+#define	_OMAP_COMMON_H_
+
+void preloader_console_init(void);
+
+#endif /* _OMAP_COMMON_H_ */