arch/arm/include/asm/hardware/cache-l2x0.h

   1 /*
   2  * arch/arm/include/asm/hardware/cache-l2x0.h
   3  *
   4  * Copyright (C) 2007 ARM Limited
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18  */
  19
  20 #ifndef __ASM_ARM_HARDWARE_L2X0_H
  21 #define __ASM_ARM_HARDWARE_L2X0_H
  22
  23 #define L2X0_CACHE_ID                   0x000
  24 #define L2X0_CACHE_TYPE                 0x004
  25 #define L2X0_CTRL                       0x100
  26 #define L2X0_AUX_CTRL                   0x104
  27 #define L2X0_TAG_LATENCY_CTRL           0x108
  28 #define L2X0_DATA_LATENCY_CTRL          0x10C
  29 #define L2X0_EVENT_CNT_CTRL             0x200
  30 #define L2X0_EVENT_CNT1_CFG             0x204
  31 #define L2X0_EVENT_CNT0_CFG             0x208
  32 #define L2X0_EVENT_CNT1_VAL             0x20C
  33 #define L2X0_EVENT_CNT0_VAL             0x210
  34 #define L2X0_INTR_MASK                  0x214
  35 #define L2X0_MASKED_INTR_STAT           0x218
  36 #define L2X0_RAW_INTR_STAT              0x21C
  37 #define L2X0_INTR_CLEAR                 0x220
  38 #define L2X0_CACHE_SYNC                 0x730
  39 #define L2X0_DUMMY_REG                  0x740
  40 #define L2X0_INV_LINE_PA                0x770
  41 #define L2X0_INV_WAY                    0x77C
  42 #define L2X0_CLEAN_LINE_PA              0x7B0
  43 #define L2X0_CLEAN_LINE_IDX             0x7B8
  44 #define L2X0_CLEAN_WAY                  0x7BC
  45 #define L2X0_CLEAN_INV_LINE_PA          0x7F0
  46 #define L2X0_CLEAN_INV_LINE_IDX         0x7F8
  47 #define L2X0_CLEAN_INV_WAY              0x7FC
  48 #define L2X0_LOCKDOWN_WAY_D             0x900
  49 #define L2X0_LOCKDOWN_WAY_I             0x904
  50 #define L2X0_TEST_OPERATION             0xF00
  51 #define L2X0_LINE_DATA                  0xF10
  52 #define L2X0_LINE_TAG                   0xF30
  53 #define L2X0_DEBUG_CTRL                 0xF40
  54 #define L2X0_PREFETCH_CTRL              0xF60
  55 #define L2X0_POWER_CTRL                 0xF80
  56 #define   L2X0_DYNAMIC_CLK_GATING_EN    (1 << 1)
  57 #define   L2X0_STNDBY_MODE_EN           (1 << 0)
  58
  59 /* Registers shifts and masks */
  60 #define L2X0_CACHE_ID_PART_MASK         (0xf << 6)
  61 #define L2X0_CACHE_ID_PART_L210         (1 << 6)
  62 #define L2X0_CACHE_ID_PART_L310         (3 << 6)
  63
  64 #define L2X0_AUX_CTRL_MASK                      0xc0000fff
  65 #define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT       16
  66 #define L2X0_AUX_CTRL_WAY_SIZE_SHIFT            17
  67 #define L2X0_AUX_CTRL_WAY_SIZE_MASK             (0x7 << 17)
  68 #define L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT      22
  69 #define L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT         26
  70 #define L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT         27
  71 #define L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT       28
  72 #define L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT      29
  73 #define L2X0_AUX_CTRL_EARLY_BRESP_SHIFT         30
  74
  75 #ifndef __ASSEMBLY__
  76 extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask);
  77 #endif
  78
  79 #endif