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authorSteve Sakoman <steve@sakoman.com>2010-06-08 13:07:46 -0700
committerSandeep Paulraj <s-paulraj@ti.com>2010-07-05 20:00:00 -0400
commitd34efc767d26d353e0257042080eec7012e5440f (patch)
treeb41852c65401a0c6d484415a17c29370b21cea3c /arch/arm/cpu/armv7/omap-common/reset.S
parentf56348af5d255f6dc2a8bcd7d798ab5edf8fba25 (diff)
ARMV7: Add basic support for TI OMAP4
This patch adds minimum support for OMAP4. Code which can be shared between OMAP3 and OMAP4 is placed in arch/arm/cpu/armv7/omap-common Signed-off-by: Aneesh V <aneesh@ti.com> Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/reset.S')
-rw-r--r--arch/arm/cpu/armv7/omap-common/reset.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/reset.S b/arch/arm/cpu/armv7/omap-common/reset.S
new file mode 100644
index 0000000000..a53c408195
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap-common/reset.S
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2009 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.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
+ */
+
+#include <config.h>
+
+.global reset_cpu
+reset_cpu:
+ ldr r1, rstctl @ get addr for global reset
+ @ reg
+ mov r3, #0x2 @ full reset pll + mpu
+ str r3, [r1] @ force reset
+ mov r0, r0
+_loop_forever:
+ b _loop_forever
+rstctl:
+ .word PRM_RSTCTRL