Initial import

1 files changed, 62 insertions, 0 deletions

diff --git a/include/linux/amba/sp810.h b/include/linux/amba/sp810.h
new file mode 100644
index 000000000..c7df89f99
--- /dev/null
+++ b/include/linux/amba/sp810.h
@@ -0,0 +1,62 @@
+/*
+ * ARM PrimeXsys System Controller SP810 header file
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.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 __AMBA_SP810_H
+#define __AMBA_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
+
+#define SCCTRL_TIMERENnSEL_SHIFT(n)	(15 + ((n) * 2))
+
+static inline void sysctl_soft_reset(void __iomem *base)
+{
+	/* switch to slow mode */
+	writel(0x2, base + SCCTRL);
+
+	/* writing any value to SCSYSSTAT reg will reset system */
+	writel(0, base + SCSYSSTAT);
+}
+
+#endif /* __AMBA_SP810_H */