2024-09-09 08:52:07 +00:00
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/*
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* ARM PrimeXsys System Controller SP810 header file
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*
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* Copyright (C) 2009 ST Microelectronics
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2024-09-09 08:57:42 +00:00
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* Viresh Kumar <viresh.linux@gmail.com>
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2024-09-09 08:52:07 +00:00
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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2024-09-09 08:57:42 +00:00
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#ifndef __AMBA_SP810_H
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#define __AMBA_SP810_H
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2024-09-09 08:52:07 +00:00
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#include <linux/io.h>
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/* sysctl registers offset */
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#define SCCTRL 0x000
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#define SCSYSSTAT 0x004
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#define SCIMCTRL 0x008
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#define SCIMSTAT 0x00C
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#define SCXTALCTRL 0x010
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#define SCPLLCTRL 0x014
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#define SCPLLFCTRL 0x018
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#define SCPERCTRL0 0x01C
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#define SCPERCTRL1 0x020
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#define SCPEREN 0x024
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#define SCPERDIS 0x028
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#define SCPERCLKEN 0x02C
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#define SCPERSTAT 0x030
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#define SCSYSID0 0xEE0
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#define SCSYSID1 0xEE4
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#define SCSYSID2 0xEE8
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#define SCSYSID3 0xEEC
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#define SCITCR 0xF00
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#define SCITIR0 0xF04
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#define SCITIR1 0xF08
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#define SCITOR 0xF0C
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#define SCCNTCTRL 0xF10
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#define SCCNTDATA 0xF14
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#define SCCNTSTEP 0xF18
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#define SCPERIPHID0 0xFE0
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#define SCPERIPHID1 0xFE4
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#define SCPERIPHID2 0xFE8
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#define SCPERIPHID3 0xFEC
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#define SCPCELLID0 0xFF0
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#define SCPCELLID1 0xFF4
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#define SCPCELLID2 0xFF8
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#define SCPCELLID3 0xFFC
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2024-09-09 08:57:42 +00:00
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#define SCCTRL_TIMERENnSEL_SHIFT(n) (15 + ((n) * 2))
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2024-09-09 08:52:07 +00:00
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static inline void sysctl_soft_reset(void __iomem *base)
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{
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/* switch to slow mode */
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writel(0x2, base + SCCTRL);
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/* writing any value to SCSYSSTAT reg will reset system */
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writel(0, base + SCSYSSTAT);
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}
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2024-09-09 08:57:42 +00:00
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#endif /* __AMBA_SP810_H */
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