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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r8a7796-sysc.c (2157B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Renesas R-Car M3-W/W+ System Controller
      4 *
      5 * Copyright (C) 2016 Glider bvba
      6 * Copyright (C) 2018-2019 Renesas Electronics Corporation
      7 */
      8
      9#include <linux/bits.h>
     10#include <linux/kernel.h>
     11
     12#include <dt-bindings/power/r8a7796-sysc.h>
     13
     14#include "rcar-sysc.h"
     15
     16static struct rcar_sysc_area r8a7796_areas[] __initdata = {
     17	{ "always-on",	    0, 0, R8A7796_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
     18	{ "ca57-scu",	0x1c0, 0, R8A7796_PD_CA57_SCU,	R8A7796_PD_ALWAYS_ON,
     19	  PD_SCU },
     20	{ "ca57-cpu0",	 0x80, 0, R8A7796_PD_CA57_CPU0,	R8A7796_PD_CA57_SCU,
     21	  PD_CPU_NOCR },
     22	{ "ca57-cpu1",	 0x80, 1, R8A7796_PD_CA57_CPU1,	R8A7796_PD_CA57_SCU,
     23	  PD_CPU_NOCR },
     24	{ "ca53-scu",	0x140, 0, R8A7796_PD_CA53_SCU,	R8A7796_PD_ALWAYS_ON,
     25	  PD_SCU },
     26	{ "ca53-cpu0",	0x200, 0, R8A7796_PD_CA53_CPU0,	R8A7796_PD_CA53_SCU,
     27	  PD_CPU_NOCR },
     28	{ "ca53-cpu1",	0x200, 1, R8A7796_PD_CA53_CPU1,	R8A7796_PD_CA53_SCU,
     29	  PD_CPU_NOCR },
     30	{ "ca53-cpu2",	0x200, 2, R8A7796_PD_CA53_CPU2,	R8A7796_PD_CA53_SCU,
     31	  PD_CPU_NOCR },
     32	{ "ca53-cpu3",	0x200, 3, R8A7796_PD_CA53_CPU3,	R8A7796_PD_CA53_SCU,
     33	  PD_CPU_NOCR },
     34	{ "cr7",	0x240, 0, R8A7796_PD_CR7,	R8A7796_PD_ALWAYS_ON },
     35	{ "a3vc",	0x380, 0, R8A7796_PD_A3VC,	R8A7796_PD_ALWAYS_ON },
     36	{ "a2vc0",	0x3c0, 0, R8A7796_PD_A2VC0,	R8A7796_PD_A3VC },
     37	{ "a2vc1",	0x3c0, 1, R8A7796_PD_A2VC1,	R8A7796_PD_A3VC },
     38	{ "3dg-a",	0x100, 0, R8A7796_PD_3DG_A,	R8A7796_PD_ALWAYS_ON },
     39	{ "3dg-b",	0x100, 1, R8A7796_PD_3DG_B,	R8A7796_PD_3DG_A },
     40	{ "a3ir",	0x180, 0, R8A7796_PD_A3IR,	R8A7796_PD_ALWAYS_ON },
     41};
     42
     43
     44#ifdef CONFIG_SYSC_R8A77960
     45const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
     46	.areas = r8a7796_areas,
     47	.num_areas = ARRAY_SIZE(r8a7796_areas),
     48};
     49#endif /* CONFIG_SYSC_R8A77960 */
     50
     51#ifdef CONFIG_SYSC_R8A77961
     52static int __init r8a77961_sysc_init(void)
     53{
     54	rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
     55			  R8A7796_PD_A2VC0);
     56
     57	return 0;
     58}
     59
     60const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
     61	.init = r8a77961_sysc_init,
     62	.areas = r8a7796_areas,
     63	.num_areas = ARRAY_SIZE(r8a7796_areas),
     64	.extmask_offs = 0x2f8,
     65	.extmask_val = BIT(0),
     66};
     67#endif /* CONFIG_SYSC_R8A77961 */