diff options
Diffstat (limited to 'include/asm-mips/sibyte/sb1250_l2c.h')
| -rw-r--r-- | include/asm-mips/sibyte/sb1250_l2c.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/include/asm-mips/sibyte/sb1250_l2c.h b/include/asm-mips/sibyte/sb1250_l2c.h new file mode 100644 index 0000000..799db82 --- /dev/null +++ b/include/asm-mips/sibyte/sb1250_l2c.h @@ -0,0 +1,128 @@ +/* ********************************************************************* + * SB1250 Board Support Package + * + * L2 Cache constants and macros File: sb1250_l2c.h + * + * This module contains constants useful for manipulating the + * level 2 cache. + * + * SB1250 specification level: User's manual 1/02/02 + * + * Author: Mitch Lichtenberg + * + ********************************************************************* + * + * Copyright 2000,2001,2002,2003 + * Broadcom Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + ********************************************************************* */ + + +#ifndef _SB1250_L2C_H +#define _SB1250_L2C_H + +#include "sb1250_defs.h" + +/* + * Level 2 Cache Tag register (Table 5-3) + */ + +#define S_L2C_TAG_MBZ 0 +#define M_L2C_TAG_MBZ _SB_MAKEMASK(5,S_L2C_TAG_MBZ) + +#define S_L2C_TAG_INDEX 5 +#define M_L2C_TAG_INDEX _SB_MAKEMASK(12,S_L2C_TAG_INDEX) +#define V_L2C_TAG_INDEX(x) _SB_MAKEVALUE(x,S_L2C_TAG_INDEX) +#define G_L2C_TAG_INDEX(x) _SB_GETVALUE(x,S_L2C_TAG_INDEX,M_L2C_TAG_INDEX) + +#define S_L2C_TAG_TAG 17 +#define M_L2C_TAG_TAG _SB_MAKEMASK(23,S_L2C_TAG_TAG) +#define V_L2C_TAG_TAG(x) _SB_MAKEVALUE(x,S_L2C_TAG_TAG) +#define G_L2C_TAG_TAG(x) _SB_GETVALUE(x,S_L2C_TAG_TAG,M_L2C_TAG_TAG) + +#define S_L2C_TAG_ECC 40 +#define M_L2C_TAG_ECC _SB_MAKEMASK(6,S_L2C_TAG_ECC) +#define V_L2C_TAG_ECC(x) _SB_MAKEVALUE(x,S_L2C_TAG_ECC) +#define G_L2C_TAG_ECC(x) _SB_GETVALUE(x,S_L2C_TAG_ECC,M_L2C_TAG_ECC) + +#define S_L2C_TAG_WAY 46 +#define M_L2C_TAG_WAY _SB_MAKEMASK(2,S_L2C_TAG_WAY) +#define V_L2C_TAG_WAY(x) _SB_MAKEVALUE(x,S_L2C_TAG_WAY) +#define G_L2C_TAG_WAY(x) _SB_GETVALUE(x,S_L2C_TAG_WAY,M_L2C_TAG_WAY) + +#define M_L2C_TAG_DIRTY _SB_MAKEMASK1(48) +#define M_L2C_TAG_VALID _SB_MAKEMASK1(49) + +/* + * Format of level 2 cache management address (table 5-2) + */ + +#define S_L2C_MGMT_INDEX 5 +#define M_L2C_MGMT_INDEX _SB_MAKEMASK(12,S_L2C_MGMT_INDEX) +#define V_L2C_MGMT_INDEX(x) _SB_MAKEVALUE(x,S_L2C_MGMT_INDEX) +#define G_L2C_MGMT_INDEX(x) _SB_GETVALUE(x,S_L2C_MGMT_INDEX,M_L2C_MGMT_INDEX) + +#define S_L2C_MGMT_QUADRANT 15 +#define M_L2C_MGMT_QUADRANT _SB_MAKEMASK(2,S_L2C_MGMT_QUADRANT) +#define V_L2C_MGMT_QUADRANT(x) _SB_MAKEVALUE(x,S_L2C_MGMT_QUADRANT) +#define G_L2C_MGMT_QUADRANT(x) _SB_GETVALUE(x,S_L2C_MGMT_QUADRANT,M_L2C_MGMT_QUADRANT) + +#define S_L2C_MGMT_HALF 16 +#define M_L2C_MGMT_HALF _SB_MAKEMASK(1,S_L2C_MGMT_HALF) + +#define S_L2C_MGMT_WAY 17 +#define M_L2C_MGMT_WAY _SB_MAKEMASK(2,S_L2C_MGMT_WAY) +#define V_L2C_MGMT_WAY(x) _SB_MAKEVALUE(x,S_L2C_MGMT_WAY) +#define G_L2C_MGMT_WAY(x) _SB_GETVALUE(x,S_L2C_MGMT_WAY,M_L2C_MGMT_WAY) + +#define S_L2C_MGMT_TAG 21 +#define M_L2C_MGMT_TAG _SB_MAKEMASK(6,S_L2C_MGMT_TAG) +#define V_L2C_MGMT_TAG(x) _SB_MAKEVALUE(x,S_L2C_MGMT_TAG) +#define G_L2C_MGMT_TAG(x) _SB_GETVALUE(x,S_L2C_MGMT_TAG,M_L2C_MGMT_TAG) + +#define M_L2C_MGMT_DIRTY _SB_MAKEMASK1(19) +#define M_L2C_MGMT_VALID _SB_MAKEMASK1(20) + +#define A_L2C_MGMT_TAG_BASE 0x00D0000000 + +#define L2C_ENTRIES_PER_WAY 4096 +#define L2C_NUM_WAYS 4 + + +#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1) +/* + * L2 Read Misc. register (A_L2_READ_MISC) + */ +#define S_L2C_MISC_NO_WAY 10 +#define M_L2C_MISC_NO_WAY _SB_MAKEMASK(4,S_L2C_MISC_NO_WAY) +#define V_L2C_MISC_NO_WAY(x) _SB_MAKEVALUE(x,S_L2C_MISC_NO_WAY) +#define G_L2C_MISC_NO_WAY(x) _SB_GETVALUE(x,S_L2C_MISC_NO_WAY,M_L2C_MISC_NO_WAY) + +#define M_L2C_MISC_ECC_CLEANUP_DIS _SB_MAKEMASK1(9) +#define M_L2C_MISC_MC_PRIO_LOW _SB_MAKEMASK1(8) +#define M_L2C_MISC_SOFT_DISABLE_T _SB_MAKEMASK1(7) +#define M_L2C_MISC_SOFT_DISABLE_B _SB_MAKEMASK1(6) +#define M_L2C_MISC_SOFT_DISABLE_R _SB_MAKEMASK1(5) +#define M_L2C_MISC_SOFT_DISABLE_L _SB_MAKEMASK1(4) +#define M_L2C_MISC_SCACHE_DISABLE_T _SB_MAKEMASK1(3) +#define M_L2C_MISC_SCACHE_DISABLE_B _SB_MAKEMASK1(2) +#define M_L2C_MISC_SCACHE_DISABLE_R _SB_MAKEMASK1(1) +#define M_L2C_MISC_SCACHE_DISABLE_L _SB_MAKEMASK1(0) +#endif /* 1250 PASS3 || 112x PASS1 */ + + +#endif |
