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/*
* 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_TIMEREN0SEL_REFCLK (0 << 15)
#define SCCTRL_TIMEREN0SEL_TIMCLK (1 << 15)
#define SCCTRL_TIMEREN1SEL_REFCLK (0 << 17)
#define SCCTRL_TIMEREN1SEL_TIMCLK (1 << 17)
#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 */
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