arm: Move sp810.h to include/linux/amba/

Since it is now used by code under drivers/clk/ it makes sense for this
file to be in a more generic location. This is required for building
vexpress support on arm64.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/include/linux/amba/sp810.h b/include/linux/amba/sp810.h
new file mode 100644
index 000000000000..6636430dd0e6
--- /dev/null
+++ b/include/linux/amba/sp810.h
@@ -0,0 +1,64 @@
+/*
+ * arch/arm/include/asm/hardware/sp810.h
+ *
+ * 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 __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
+
+#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  /* __ASM_ARM_SP810_H */