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authorviresh kumar <viresh.kumar@st.com>2010-04-01 12:49:09 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-04-14 11:34:38 +0100
commitff37f6e5910c4fd7ad42063d89c0687def665941 (patch)
tree7f8e3b25bcc269aa28b87c81887847f95437bd75
parent70f4c0bf9e4d067744ee453bc37c0c4adcea6e53 (diff)
ARM: 6021/1: ST SPEAr: Added ARM PrimeXsys System Controller SP810 header file
Reviewed-by: Linus Walleij <linux.walleij@stericsson.com> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/include/asm/hardware/sp810.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hardware/sp810.h b/arch/arm/include/asm/hardware/sp810.h
new file mode 100644
index 00000000000..a101f10bb5b
--- /dev/null
+++ b/arch/arm/include/asm/hardware/sp810.h
@@ -0,0 +1,59 @@
+/*
+ * arch/arm/include/asm/hardware/sp810.h
+ *
+ * ARM PrimeXsys System Controller SP810 header file
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar<viresh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARM_SP810_H
+#define __ASM_ARM_SP810_H
+
+#include <linux/io.h>
+
+/* sysctl registers offset */
+#define SCCTRL 0x000
+#define SCSYSSTAT 0x004
+#define SCIMCTRL 0x008
+#define SCIMSTAT 0x00C
+#define SCXTALCTRL 0x010
+#define SCPLLCTRL 0x014
+#define SCPLLFCTRL 0x018
+#define SCPERCTRL0 0x01C
+#define SCPERCTRL1 0x020
+#define SCPEREN 0x024
+#define SCPERDIS 0x028
+#define SCPERCLKEN 0x02C
+#define SCPERSTAT 0x030
+#define SCSYSID0 0xEE0
+#define SCSYSID1 0xEE4
+#define SCSYSID2 0xEE8
+#define SCSYSID3 0xEEC
+#define SCITCR 0xF00
+#define SCITIR0 0xF04
+#define SCITIR1 0xF08
+#define SCITOR 0xF0C
+#define SCCNTCTRL 0xF10
+#define SCCNTDATA 0xF14
+#define SCCNTSTEP 0xF18
+#define SCPERIPHID0 0xFE0
+#define SCPERIPHID1 0xFE4
+#define SCPERIPHID2 0xFE8
+#define SCPERIPHID3 0xFEC
+#define SCPCELLID0 0xFF0
+#define SCPCELLID1 0xFF4
+#define SCPCELLID2 0xFF8
+#define SCPCELLID3 0xFFC
+
+static inline void sysctl_soft_reset(void __iomem *base)
+{
+ /* writing any value to SCSYSSTAT reg will reset system */
+ writel(0, base + SCSYSSTAT);
+}
+
+#endif /* __ASM_ARM_SP810_H */