Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / amba / sp810.h

diff --git a/kernel/include/linux/amba/sp810.h b/kernel/include/linux/amba/sp810.h
new file mode 100644 (file)
index 0000000..c7df89f
--- /dev/null
+++ b/kernel/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 */