cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

dac.h (809B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ASM_CPU_SH3_DAC_H
      3#define __ASM_CPU_SH3_DAC_H
      4
      5/*
      6 * Copyright (C) 2003  Andriy Skulysh
      7 */
      8
      9
     10#define DADR0	0xa40000a0
     11#define DADR1	0xa40000a2
     12#define DACR	0xa40000a4
     13#define DACR_DAOE1	0x80
     14#define DACR_DAOE0	0x40
     15#define DACR_DAE	0x20
     16
     17
     18static __inline__ void sh_dac_enable(int channel)
     19{
     20	unsigned char v;
     21	v = __raw_readb(DACR);
     22	if(channel) v |= DACR_DAOE1;
     23	else v |= DACR_DAOE0;
     24	__raw_writeb(v,DACR);
     25}
     26
     27static __inline__ void sh_dac_disable(int channel)
     28{
     29	unsigned char v;
     30	v = __raw_readb(DACR);
     31	if(channel) v &= ~DACR_DAOE1;
     32	else v &= ~DACR_DAOE0;
     33	__raw_writeb(v,DACR);
     34}
     35
     36static __inline__ void sh_dac_output(u8 value, int channel)
     37{
     38	if(channel) __raw_writeb(value,DADR1);
     39	else __raw_writeb(value,DADR0);
     40}
     41
     42#endif /* __ASM_CPU_SH3_DAC_H */