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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sb1250_l2c.h (4417B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*  *********************************************************************
      3    *  SB1250 Board Support Package
      4    *
      5    *  L2 Cache constants and macros		File: sb1250_l2c.h
      6    *
      7    *  This module contains constants useful for manipulating the
      8    *  level 2 cache.
      9    *
     10    *  SB1250 specification level:  User's manual 1/02/02
     11    *
     12    *********************************************************************
     13    *
     14    *  Copyright 2000,2001,2002,2003
     15    *  Broadcom Corporation. All rights reserved.
     16    *
     17    ********************************************************************* */
     18
     19
     20#ifndef _SB1250_L2C_H
     21#define _SB1250_L2C_H
     22
     23#include <asm/sibyte/sb1250_defs.h>
     24
     25/*
     26 * Level 2 Cache Tag register (Table 5-3)
     27 */
     28
     29#define S_L2C_TAG_MBZ		    0
     30#define M_L2C_TAG_MBZ		    _SB_MAKEMASK(5, S_L2C_TAG_MBZ)
     31
     32#define S_L2C_TAG_INDEX		    5
     33#define M_L2C_TAG_INDEX		    _SB_MAKEMASK(12, S_L2C_TAG_INDEX)
     34#define V_L2C_TAG_INDEX(x)	    _SB_MAKEVALUE(x, S_L2C_TAG_INDEX)
     35#define G_L2C_TAG_INDEX(x)	    _SB_GETVALUE(x, S_L2C_TAG_INDEX, M_L2C_TAG_INDEX)
     36
     37#define S_L2C_TAG_TAG		    17
     38#define M_L2C_TAG_TAG		    _SB_MAKEMASK(23, S_L2C_TAG_TAG)
     39#define V_L2C_TAG_TAG(x)	    _SB_MAKEVALUE(x, S_L2C_TAG_TAG)
     40#define G_L2C_TAG_TAG(x)	    _SB_GETVALUE(x, S_L2C_TAG_TAG, M_L2C_TAG_TAG)
     41
     42#define S_L2C_TAG_ECC		    40
     43#define M_L2C_TAG_ECC		    _SB_MAKEMASK(6, S_L2C_TAG_ECC)
     44#define V_L2C_TAG_ECC(x)	    _SB_MAKEVALUE(x, S_L2C_TAG_ECC)
     45#define G_L2C_TAG_ECC(x)	    _SB_GETVALUE(x, S_L2C_TAG_ECC, M_L2C_TAG_ECC)
     46
     47#define S_L2C_TAG_WAY		    46
     48#define M_L2C_TAG_WAY		    _SB_MAKEMASK(2, S_L2C_TAG_WAY)
     49#define V_L2C_TAG_WAY(x)	    _SB_MAKEVALUE(x, S_L2C_TAG_WAY)
     50#define G_L2C_TAG_WAY(x)	    _SB_GETVALUE(x, S_L2C_TAG_WAY, M_L2C_TAG_WAY)
     51
     52#define M_L2C_TAG_DIRTY		    _SB_MAKEMASK1(48)
     53#define M_L2C_TAG_VALID		    _SB_MAKEMASK1(49)
     54
     55/*
     56 * Format of level 2 cache management address (table 5-2)
     57 */
     58
     59#define S_L2C_MGMT_INDEX	    5
     60#define M_L2C_MGMT_INDEX	    _SB_MAKEMASK(12, S_L2C_MGMT_INDEX)
     61#define V_L2C_MGMT_INDEX(x)	    _SB_MAKEVALUE(x, S_L2C_MGMT_INDEX)
     62#define G_L2C_MGMT_INDEX(x)	    _SB_GETVALUE(x, S_L2C_MGMT_INDEX, M_L2C_MGMT_INDEX)
     63
     64#define S_L2C_MGMT_QUADRANT	    15
     65#define M_L2C_MGMT_QUADRANT	    _SB_MAKEMASK(2, S_L2C_MGMT_QUADRANT)
     66#define V_L2C_MGMT_QUADRANT(x)	    _SB_MAKEVALUE(x, S_L2C_MGMT_QUADRANT)
     67#define G_L2C_MGMT_QUADRANT(x)	    _SB_GETVALUE(x, S_L2C_MGMT_QUADRANT, M_L2C_MGMT_QUADRANT)
     68
     69#define S_L2C_MGMT_HALF		    16
     70#define M_L2C_MGMT_HALF		    _SB_MAKEMASK(1, S_L2C_MGMT_HALF)
     71
     72#define S_L2C_MGMT_WAY		    17
     73#define M_L2C_MGMT_WAY		    _SB_MAKEMASK(2, S_L2C_MGMT_WAY)
     74#define V_L2C_MGMT_WAY(x)	    _SB_MAKEVALUE(x, S_L2C_MGMT_WAY)
     75#define G_L2C_MGMT_WAY(x)	    _SB_GETVALUE(x, S_L2C_MGMT_WAY, M_L2C_MGMT_WAY)
     76
     77#define S_L2C_MGMT_ECC_DIAG	    21
     78#define M_L2C_MGMT_ECC_DIAG	    _SB_MAKEMASK(2, S_L2C_MGMT_ECC_DIAG)
     79#define V_L2C_MGMT_ECC_DIAG(x)	    _SB_MAKEVALUE(x, S_L2C_MGMT_ECC_DIAG)
     80#define G_L2C_MGMT_ECC_DIAG(x)	    _SB_GETVALUE(x, S_L2C_MGMT_ECC_DIAG, M_L2C_MGMT_ECC_DIAG)
     81
     82#define S_L2C_MGMT_TAG		    23
     83#define M_L2C_MGMT_TAG		    _SB_MAKEMASK(4, S_L2C_MGMT_TAG)
     84#define V_L2C_MGMT_TAG(x)	    _SB_MAKEVALUE(x, S_L2C_MGMT_TAG)
     85#define G_L2C_MGMT_TAG(x)	    _SB_GETVALUE(x, S_L2C_MGMT_TAG, M_L2C_MGMT_TAG)
     86
     87#define M_L2C_MGMT_DIRTY	    _SB_MAKEMASK1(19)
     88#define M_L2C_MGMT_VALID	    _SB_MAKEMASK1(20)
     89
     90#define A_L2C_MGMT_TAG_BASE	    0x00D0000000
     91
     92#define L2C_ENTRIES_PER_WAY	  4096
     93#define L2C_NUM_WAYS		  4
     94
     95
     96#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
     97/*
     98 * L2 Read Misc. register (A_L2_READ_MISC)
     99 */
    100#define S_L2C_MISC_NO_WAY		10
    101#define M_L2C_MISC_NO_WAY		_SB_MAKEMASK(4, S_L2C_MISC_NO_WAY)
    102#define V_L2C_MISC_NO_WAY(x)		_SB_MAKEVALUE(x, S_L2C_MISC_NO_WAY)
    103#define G_L2C_MISC_NO_WAY(x)		_SB_GETVALUE(x, S_L2C_MISC_NO_WAY, M_L2C_MISC_NO_WAY)
    104
    105#define M_L2C_MISC_ECC_CLEANUP_DIS	_SB_MAKEMASK1(9)
    106#define M_L2C_MISC_MC_PRIO_LOW		_SB_MAKEMASK1(8)
    107#define M_L2C_MISC_SOFT_DISABLE_T	_SB_MAKEMASK1(7)
    108#define M_L2C_MISC_SOFT_DISABLE_B	_SB_MAKEMASK1(6)
    109#define M_L2C_MISC_SOFT_DISABLE_R	_SB_MAKEMASK1(5)
    110#define M_L2C_MISC_SOFT_DISABLE_L	_SB_MAKEMASK1(4)
    111#define M_L2C_MISC_SCACHE_DISABLE_T	_SB_MAKEMASK1(3)
    112#define M_L2C_MISC_SCACHE_DISABLE_B	_SB_MAKEMASK1(2)
    113#define M_L2C_MISC_SCACHE_DISABLE_R	_SB_MAKEMASK1(1)
    114#define M_L2C_MISC_SCACHE_DISABLE_L	_SB_MAKEMASK1(0)
    115#endif /* 1250 PASS3 || 112x PASS1 */
    116
    117
    118#endif