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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cache-aurora-l2.h (3598B)


      1/*
      2 * AURORA shared L2 cache controller support
      3 *
      4 * Copyright (C) 2012 Marvell
      5 *
      6 * Yehuda Yitschak <yehuday@marvell.com>
      7 * Gregory CLEMENT <gregory.clement@free-electrons.com>
      8 *
      9 * This file is licensed under the terms of the GNU General Public
     10 * License version 2.  This program is licensed "as is" without any
     11 * warranty of any kind, whether express or implied.
     12 */
     13
     14#ifndef __ASM_ARM_HARDWARE_AURORA_L2_H
     15#define __ASM_ARM_HARDWARE_AURORA_L2_H
     16
     17#define AURORA_SYNC_REG		    0x700
     18#define AURORA_RANGE_BASE_ADDR_REG  0x720
     19#define AURORA_FLUSH_PHY_ADDR_REG   0x7f0
     20#define AURORA_INVAL_RANGE_REG	    0x774
     21#define AURORA_CLEAN_RANGE_REG	    0x7b4
     22#define AURORA_FLUSH_RANGE_REG	    0x7f4
     23
     24#define AURORA_ACR_REPLACEMENT_OFFSET	    27
     25#define AURORA_ACR_REPLACEMENT_MASK	     \
     26	(0x3 << AURORA_ACR_REPLACEMENT_OFFSET)
     27#define AURORA_ACR_REPLACEMENT_TYPE_WAYRR    \
     28	(0 << AURORA_ACR_REPLACEMENT_OFFSET)
     29#define AURORA_ACR_REPLACEMENT_TYPE_LFSR     \
     30	(1 << AURORA_ACR_REPLACEMENT_OFFSET)
     31#define AURORA_ACR_REPLACEMENT_TYPE_SEMIPLRU \
     32	(3 << AURORA_ACR_REPLACEMENT_OFFSET)
     33
     34#define AURORA_ACR_PARITY_EN	(1 << 21)
     35#define AURORA_ACR_ECC_EN	(1 << 20)
     36
     37#define AURORA_ACR_FORCE_WRITE_POLICY_OFFSET	0
     38#define AURORA_ACR_FORCE_WRITE_POLICY_MASK	\
     39	(0x3 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
     40#define AURORA_ACR_FORCE_WRITE_POLICY_DIS	\
     41	(0 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
     42#define AURORA_ACR_FORCE_WRITE_BACK_POLICY	\
     43	(1 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
     44#define AURORA_ACR_FORCE_WRITE_THRO_POLICY	\
     45	(2 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
     46
     47#define AURORA_ERR_CNT_REG          0x600
     48#define AURORA_ERR_ATTR_CAP_REG     0x608
     49#define AURORA_ERR_ADDR_CAP_REG     0x60c
     50#define AURORA_ERR_WAY_CAP_REG      0x610
     51#define AURORA_ERR_INJECT_CTL_REG   0x614
     52#define AURORA_ERR_INJECT_MASK_REG  0x618
     53
     54#define AURORA_ERR_CNT_CLR_OFFSET         31
     55#define AURORA_ERR_CNT_CLR		   \
     56	(0x1 << AURORA_ERR_CNT_CLR_OFFSET)
     57#define AURORA_ERR_CNT_UE_OFFSET          16
     58#define AURORA_ERR_CNT_UE_MASK             \
     59	(0x7fff << AURORA_ERR_CNT_UE_OFFSET)
     60#define AURORA_ERR_CNT_CE_OFFSET           0
     61#define AURORA_ERR_CNT_CE_MASK             \
     62	(0xffff << AURORA_ERR_CNT_CE_OFFSET)
     63
     64#define AURORA_ERR_ATTR_SRC_OFF           16
     65#define AURORA_ERR_ATTR_SRC_MSK            \
     66	(0x7 << AURORA_ERR_ATTR_SRC_OFF)
     67#define AURORA_ERR_ATTR_TXN_OFF           12
     68#define AURORA_ERR_ATTR_TXN_MSK            \
     69	(0xf << AURORA_ERR_ATTR_TXN_OFF)
     70#define AURORA_ERR_ATTR_ERR_OFF            8
     71#define AURORA_ERR_ATTR_ERR_MSK            \
     72	(0x3 << AURORA_ERR_ATTR_ERR_OFF)
     73#define AURORA_ERR_ATTR_CAP_VALID_OFF      0
     74#define AURORA_ERR_ATTR_CAP_VALID          \
     75	(0x1 << AURORA_ERR_ATTR_CAP_VALID_OFF)
     76
     77#define AURORA_ERR_ADDR_CAP_ADDR_MASK 0xffffffe0
     78
     79#define AURORA_ERR_WAY_IDX_OFF             8
     80#define AURORA_ERR_WAY_IDX_MSK             \
     81	(0xfff << AURORA_ERR_WAY_IDX_OFF)
     82#define AURORA_ERR_WAY_CAP_WAY_OFFSET      1
     83#define AURORA_ERR_WAY_CAP_WAY_MASK        \
     84	(0xf << AURORA_ERR_WAY_CAP_WAY_OFFSET)
     85
     86#define AURORA_ERR_INJECT_CTL_ADDR_MASK 0xfffffff0
     87#define AURORA_ERR_ATTR_TXN_OFF   12
     88#define AURORA_ERR_INJECT_CTL_EN_MASK          0x3
     89#define AURORA_ERR_INJECT_CTL_EN_PARITY        0x2
     90#define AURORA_ERR_INJECT_CTL_EN_ECC           0x1
     91
     92#define AURORA_MAX_RANGE_SIZE	1024
     93
     94#define AURORA_WAY_SIZE_SHIFT	2
     95
     96#define AURORA_CTRL_FW		0x100
     97
     98/* chose a number outside L2X0_CACHE_ID_PART_MASK to be sure to make
     99 * the distinction between a number coming from hardware and a number
    100 * coming from the device tree */
    101#define AURORA_CACHE_ID	       0x100
    102
    103#endif /* __ASM_ARM_HARDWARE_AURORA_L2_H */