linux/arch/arm/mm/cache-aurora-l2.h
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   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_FORCE_WRITE_POLICY_OFFSET    0
  35#define AURORA_ACR_FORCE_WRITE_POLICY_MASK      \
  36        (0x3 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
  37#define AURORA_ACR_FORCE_WRITE_POLICY_DIS       \
  38        (0 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
  39#define AURORA_ACR_FORCE_WRITE_BACK_POLICY      \
  40        (1 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
  41#define AURORA_ACR_FORCE_WRITE_THRO_POLICY      \
  42        (2 << AURORA_ACR_FORCE_WRITE_POLICY_OFFSET)
  43
  44#define MAX_RANGE_SIZE          1024
  45
  46#define AURORA_WAY_SIZE_SHIFT   2
  47
  48#define AURORA_CTRL_FW          0x100
  49
  50/* chose a number outside L2X0_CACHE_ID_PART_MASK to be sure to make
  51 * the distinction between a number coming from hardware and a number
  52 * coming from the device tree */
  53#define AURORA_CACHE_ID        0x100
  54
  55#endif /* __ASM_ARM_HARDWARE_AURORA_L2_H */
  56