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authorCatalin Marinas <catalin.marinas@arm.com>2013-01-04 14:17:15 +0000
committerPawel Moll <pawel.moll@arm.com>2013-01-30 15:55:45 +0000
commitda660b4a3b15caea9c198c4f26d1cf7023df92fc (patch)
tree55f6a7aa3b6ba54c9e48ba7f7a434996ad95dce3 /include/linux/amba
parent949db153b6466c6f7cad5a427ecea94985927311 (diff)
downloadvexpress-lsk-da660b4a3b15caea9c198c4f26d1cf7023df92fc.tar.gz
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>
Diffstat (limited to 'include/linux/amba')
-rw-r--r--include/linux/amba/sp810.h64
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 00000000000..6636430dd0e
--- /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 */