cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sp810.h (1526B)


      1/*
      2 * ARM PrimeXsys System Controller SP810 header file
      3 *
      4 * Copyright (C) 2009 ST Microelectronics
      5 * Viresh Kumar <vireshk@kernel.org>
      6 *
      7 * This file is licensed under the terms of the GNU General Public
      8 * License version 2. This program is licensed "as is" without any
      9 * warranty of any kind, whether express or implied.
     10 */
     11
     12#ifndef __AMBA_SP810_H
     13#define __AMBA_SP810_H
     14
     15#include <linux/io.h>
     16
     17/* sysctl registers offset */
     18#define SCCTRL			0x000
     19#define SCSYSSTAT		0x004
     20#define SCIMCTRL		0x008
     21#define SCIMSTAT		0x00C
     22#define SCXTALCTRL		0x010
     23#define SCPLLCTRL		0x014
     24#define SCPLLFCTRL		0x018
     25#define SCPERCTRL0		0x01C
     26#define SCPERCTRL1		0x020
     27#define SCPEREN			0x024
     28#define SCPERDIS		0x028
     29#define SCPERCLKEN		0x02C
     30#define SCPERSTAT		0x030
     31#define SCSYSID0		0xEE0
     32#define SCSYSID1		0xEE4
     33#define SCSYSID2		0xEE8
     34#define SCSYSID3		0xEEC
     35#define SCITCR			0xF00
     36#define SCITIR0			0xF04
     37#define SCITIR1			0xF08
     38#define SCITOR			0xF0C
     39#define SCCNTCTRL		0xF10
     40#define SCCNTDATA		0xF14
     41#define SCCNTSTEP		0xF18
     42#define SCPERIPHID0		0xFE0
     43#define SCPERIPHID1		0xFE4
     44#define SCPERIPHID2		0xFE8
     45#define SCPERIPHID3		0xFEC
     46#define SCPCELLID0		0xFF0
     47#define SCPCELLID1		0xFF4
     48#define SCPCELLID2		0xFF8
     49#define SCPCELLID3		0xFFC
     50
     51#define SCCTRL_TIMERENnSEL_SHIFT(n)	(15 + ((n) * 2))
     52
     53static inline void sysctl_soft_reset(void __iomem *base)
     54{
     55	/* switch to slow mode */
     56	writel(0x2, base + SCCTRL);
     57
     58	/* writing any value to SCSYSSTAT reg will reset system */
     59	writel(0, base + SCSYSSTAT);
     60}
     61
     62#endif /* __AMBA_SP810_H */