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Diffstat (limited to 'arch/arm/cpu/armv7/s5pc1xx/reset.S')
-rw-r--r--arch/arm/cpu/armv7/s5pc1xx/reset.S47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/s5pc1xx/reset.S b/arch/arm/cpu/armv7/s5pc1xx/reset.S
new file mode 100644
index 0000000..7f6ff9c
--- /dev/null
+++ b/arch/arm/cpu/armv7/s5pc1xx/reset.S
@@ -0,0 +1,47 @@
+/*
+ * 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 <asm/arch/cpu.h>
+
+#define S5PC100_SWRESET 0xE0200000
+#define S5PC110_SWRESET 0xE0102000
+
+.globl reset_cpu
+reset_cpu:
+ ldr r1, =S5PC1XX_PRO_ID
+ ldr r2, [r1]
+ ldr r4, =0x00010000
+ and r4, r2, r4
+ cmp r4, #0
+ bne 110f
+ /* S5PC100 */
+ ldr r1, =S5PC100_SWRESET
+ ldr r2, =0xC100
+ b 200f
+110: /* S5PC110 */
+ ldr r1, =S5PC110_SWRESET
+ mov r2, #1
+200:
+ str r2, [r1]
+_loop_forever:
+ b _loop_forever