cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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lima_regs.h (12668B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/* Copyright 2010-2017 ARM Limited. All rights reserved.
      3 * Copyright 2017-2019 Qiang Yu <yuq825@gmail.com>
      4 */
      5
      6#ifndef __LIMA_REGS_H__
      7#define __LIMA_REGS_H__
      8
      9/* This file's register definition is collected from the
     10 * official ARM Mali Utgard GPU kernel driver source code
     11 */
     12
     13/* PMU regs */
     14#define LIMA_PMU_POWER_UP                  0x00
     15#define LIMA_PMU_POWER_DOWN                0x04
     16#define   LIMA_PMU_POWER_GP0_MASK          BIT(0)
     17#define   LIMA_PMU_POWER_L2_MASK           BIT(1)
     18#define   LIMA_PMU_POWER_PP_MASK(i)        BIT(2 + i)
     19
     20/*
     21 * On Mali450 each block automatically starts up its corresponding L2
     22 * and the PPs are not fully independent controllable.
     23 * Instead PP0, PP1-3 and PP4-7 can be turned on or off.
     24 */
     25#define   LIMA450_PMU_POWER_PP0_MASK       BIT(1)
     26#define   LIMA450_PMU_POWER_PP13_MASK      BIT(2)
     27#define   LIMA450_PMU_POWER_PP47_MASK      BIT(3)
     28
     29#define LIMA_PMU_STATUS                    0x08
     30#define LIMA_PMU_INT_MASK                  0x0C
     31#define LIMA_PMU_INT_RAWSTAT               0x10
     32#define LIMA_PMU_INT_CLEAR                 0x18
     33#define   LIMA_PMU_INT_CMD_MASK            BIT(0)
     34#define LIMA_PMU_SW_DELAY                  0x1C
     35
     36/* L2 cache regs */
     37#define LIMA_L2_CACHE_SIZE                   0x0004
     38#define LIMA_L2_CACHE_STATUS                 0x0008
     39#define   LIMA_L2_CACHE_STATUS_COMMAND_BUSY  BIT(0)
     40#define   LIMA_L2_CACHE_STATUS_DATA_BUSY     BIT(1)
     41#define LIMA_L2_CACHE_COMMAND                0x0010
     42#define   LIMA_L2_CACHE_COMMAND_CLEAR_ALL    BIT(0)
     43#define LIMA_L2_CACHE_CLEAR_PAGE             0x0014
     44#define LIMA_L2_CACHE_MAX_READS              0x0018
     45#define LIMA_L2_CACHE_ENABLE                 0x001C
     46#define   LIMA_L2_CACHE_ENABLE_ACCESS        BIT(0)
     47#define   LIMA_L2_CACHE_ENABLE_READ_ALLOCATE BIT(1)
     48#define LIMA_L2_CACHE_PERFCNT_SRC0           0x0020
     49#define LIMA_L2_CACHE_PERFCNT_VAL0           0x0024
     50#define LIMA_L2_CACHE_PERFCNT_SRC1           0x0028
     51#define LIMA_L2_CACHE_ERFCNT_VAL1            0x002C
     52
     53/* GP regs */
     54#define LIMA_GP_VSCL_START_ADDR                0x00
     55#define LIMA_GP_VSCL_END_ADDR                  0x04
     56#define LIMA_GP_PLBUCL_START_ADDR              0x08
     57#define LIMA_GP_PLBUCL_END_ADDR                0x0c
     58#define LIMA_GP_PLBU_ALLOC_START_ADDR          0x10
     59#define LIMA_GP_PLBU_ALLOC_END_ADDR            0x14
     60#define LIMA_GP_CMD                            0x20
     61#define   LIMA_GP_CMD_START_VS                 BIT(0)
     62#define   LIMA_GP_CMD_START_PLBU               BIT(1)
     63#define   LIMA_GP_CMD_UPDATE_PLBU_ALLOC        BIT(4)
     64#define   LIMA_GP_CMD_RESET                    BIT(5)
     65#define   LIMA_GP_CMD_FORCE_HANG               BIT(6)
     66#define   LIMA_GP_CMD_STOP_BUS                 BIT(9)
     67#define   LIMA_GP_CMD_SOFT_RESET               BIT(10)
     68#define LIMA_GP_INT_RAWSTAT                    0x24
     69#define LIMA_GP_INT_CLEAR                      0x28
     70#define LIMA_GP_INT_MASK                       0x2C
     71#define LIMA_GP_INT_STAT                       0x30
     72#define   LIMA_GP_IRQ_VS_END_CMD_LST           BIT(0)
     73#define   LIMA_GP_IRQ_PLBU_END_CMD_LST         BIT(1)
     74#define   LIMA_GP_IRQ_PLBU_OUT_OF_MEM          BIT(2)
     75#define   LIMA_GP_IRQ_VS_SEM_IRQ               BIT(3)
     76#define   LIMA_GP_IRQ_PLBU_SEM_IRQ             BIT(4)
     77#define   LIMA_GP_IRQ_HANG                     BIT(5)
     78#define   LIMA_GP_IRQ_FORCE_HANG               BIT(6)
     79#define   LIMA_GP_IRQ_PERF_CNT_0_LIMIT         BIT(7)
     80#define   LIMA_GP_IRQ_PERF_CNT_1_LIMIT         BIT(8)
     81#define   LIMA_GP_IRQ_WRITE_BOUND_ERR          BIT(9)
     82#define   LIMA_GP_IRQ_SYNC_ERROR               BIT(10)
     83#define   LIMA_GP_IRQ_AXI_BUS_ERROR            BIT(11)
     84#define   LIMA_GP_IRQ_AXI_BUS_STOPPED          BIT(12)
     85#define   LIMA_GP_IRQ_VS_INVALID_CMD           BIT(13)
     86#define   LIMA_GP_IRQ_PLB_INVALID_CMD          BIT(14)
     87#define   LIMA_GP_IRQ_RESET_COMPLETED          BIT(19)
     88#define   LIMA_GP_IRQ_SEMAPHORE_UNDERFLOW      BIT(20)
     89#define   LIMA_GP_IRQ_SEMAPHORE_OVERFLOW       BIT(21)
     90#define   LIMA_GP_IRQ_PTR_ARRAY_OUT_OF_BOUNDS  BIT(22)
     91#define LIMA_GP_WRITE_BOUND_LOW                0x34
     92#define LIMA_GP_PERF_CNT_0_ENABLE              0x3C
     93#define LIMA_GP_PERF_CNT_1_ENABLE              0x40
     94#define LIMA_GP_PERF_CNT_0_SRC                 0x44
     95#define LIMA_GP_PERF_CNT_1_SRC                 0x48
     96#define LIMA_GP_PERF_CNT_0_VALUE               0x4C
     97#define LIMA_GP_PERF_CNT_1_VALUE               0x50
     98#define LIMA_GP_PERF_CNT_0_LIMIT               0x54
     99#define LIMA_GP_STATUS                         0x68
    100#define   LIMA_GP_STATUS_VS_ACTIVE             BIT(1)
    101#define   LIMA_GP_STATUS_BUS_STOPPED           BIT(2)
    102#define   LIMA_GP_STATUS_PLBU_ACTIVE           BIT(3)
    103#define   LIMA_GP_STATUS_BUS_ERROR             BIT(6)
    104#define   LIMA_GP_STATUS_WRITE_BOUND_ERR       BIT(8)
    105#define LIMA_GP_VERSION                        0x6C
    106#define LIMA_GP_VSCL_START_ADDR_READ           0x80
    107#define LIMA_GP_PLBCL_START_ADDR_READ          0x84
    108#define LIMA_GP_CONTR_AXI_BUS_ERROR_STAT       0x94
    109
    110#define LIMA_GP_IRQ_MASK_ALL		   \
    111	(				   \
    112	 LIMA_GP_IRQ_VS_END_CMD_LST      | \
    113	 LIMA_GP_IRQ_PLBU_END_CMD_LST    | \
    114	 LIMA_GP_IRQ_PLBU_OUT_OF_MEM     | \
    115	 LIMA_GP_IRQ_VS_SEM_IRQ          | \
    116	 LIMA_GP_IRQ_PLBU_SEM_IRQ        | \
    117	 LIMA_GP_IRQ_HANG                | \
    118	 LIMA_GP_IRQ_FORCE_HANG          | \
    119	 LIMA_GP_IRQ_PERF_CNT_0_LIMIT    | \
    120	 LIMA_GP_IRQ_PERF_CNT_1_LIMIT    | \
    121	 LIMA_GP_IRQ_WRITE_BOUND_ERR     | \
    122	 LIMA_GP_IRQ_SYNC_ERROR          | \
    123	 LIMA_GP_IRQ_AXI_BUS_ERROR       | \
    124	 LIMA_GP_IRQ_AXI_BUS_STOPPED     | \
    125	 LIMA_GP_IRQ_VS_INVALID_CMD      | \
    126	 LIMA_GP_IRQ_PLB_INVALID_CMD     | \
    127	 LIMA_GP_IRQ_RESET_COMPLETED     | \
    128	 LIMA_GP_IRQ_SEMAPHORE_UNDERFLOW | \
    129	 LIMA_GP_IRQ_SEMAPHORE_OVERFLOW  | \
    130	 LIMA_GP_IRQ_PTR_ARRAY_OUT_OF_BOUNDS)
    131
    132#define LIMA_GP_IRQ_MASK_ERROR             \
    133	(                                  \
    134	 LIMA_GP_IRQ_PLBU_OUT_OF_MEM     | \
    135	 LIMA_GP_IRQ_FORCE_HANG          | \
    136	 LIMA_GP_IRQ_WRITE_BOUND_ERR     | \
    137	 LIMA_GP_IRQ_SYNC_ERROR          | \
    138	 LIMA_GP_IRQ_AXI_BUS_ERROR       | \
    139	 LIMA_GP_IRQ_VS_INVALID_CMD      | \
    140	 LIMA_GP_IRQ_PLB_INVALID_CMD     | \
    141	 LIMA_GP_IRQ_SEMAPHORE_UNDERFLOW | \
    142	 LIMA_GP_IRQ_SEMAPHORE_OVERFLOW  | \
    143	 LIMA_GP_IRQ_PTR_ARRAY_OUT_OF_BOUNDS)
    144
    145#define LIMA_GP_IRQ_MASK_USED		   \
    146	(				   \
    147	 LIMA_GP_IRQ_VS_END_CMD_LST      | \
    148	 LIMA_GP_IRQ_PLBU_END_CMD_LST    | \
    149	 LIMA_GP_IRQ_MASK_ERROR)
    150
    151/* PP regs */
    152#define LIMA_PP_FRAME                        0x0000
    153#define LIMA_PP_RSW			     0x0004
    154#define LIMA_PP_STACK			     0x0030
    155#define LIMA_PP_STACK_SIZE		     0x0034
    156#define LIMA_PP_ORIGIN_OFFSET_X	             0x0040
    157#define LIMA_PP_WB(i)                        (0x0100 * (i + 1))
    158#define   LIMA_PP_WB_SOURCE_SELECT           0x0000
    159#define	  LIMA_PP_WB_SOURCE_ADDR             0x0004
    160
    161#define LIMA_PP_VERSION                      0x1000
    162#define LIMA_PP_CURRENT_REND_LIST_ADDR       0x1004
    163#define LIMA_PP_STATUS                       0x1008
    164#define   LIMA_PP_STATUS_RENDERING_ACTIVE    BIT(0)
    165#define   LIMA_PP_STATUS_BUS_STOPPED         BIT(4)
    166#define LIMA_PP_CTRL                         0x100c
    167#define   LIMA_PP_CTRL_STOP_BUS              BIT(0)
    168#define   LIMA_PP_CTRL_FLUSH_CACHES          BIT(3)
    169#define   LIMA_PP_CTRL_FORCE_RESET           BIT(5)
    170#define   LIMA_PP_CTRL_START_RENDERING       BIT(6)
    171#define   LIMA_PP_CTRL_SOFT_RESET            BIT(7)
    172#define LIMA_PP_INT_RAWSTAT                  0x1020
    173#define LIMA_PP_INT_CLEAR                    0x1024
    174#define LIMA_PP_INT_MASK                     0x1028
    175#define LIMA_PP_INT_STATUS                   0x102c
    176#define   LIMA_PP_IRQ_END_OF_FRAME           BIT(0)
    177#define   LIMA_PP_IRQ_END_OF_TILE            BIT(1)
    178#define   LIMA_PP_IRQ_HANG                   BIT(2)
    179#define   LIMA_PP_IRQ_FORCE_HANG             BIT(3)
    180#define   LIMA_PP_IRQ_BUS_ERROR              BIT(4)
    181#define   LIMA_PP_IRQ_BUS_STOP               BIT(5)
    182#define   LIMA_PP_IRQ_CNT_0_LIMIT            BIT(6)
    183#define   LIMA_PP_IRQ_CNT_1_LIMIT            BIT(7)
    184#define   LIMA_PP_IRQ_WRITE_BOUNDARY_ERROR   BIT(8)
    185#define   LIMA_PP_IRQ_INVALID_PLIST_COMMAND  BIT(9)
    186#define   LIMA_PP_IRQ_CALL_STACK_UNDERFLOW   BIT(10)
    187#define   LIMA_PP_IRQ_CALL_STACK_OVERFLOW    BIT(11)
    188#define   LIMA_PP_IRQ_RESET_COMPLETED        BIT(12)
    189#define LIMA_PP_WRITE_BOUNDARY_LOW           0x1044
    190#define LIMA_PP_BUS_ERROR_STATUS             0x1050
    191#define LIMA_PP_PERF_CNT_0_ENABLE            0x1080
    192#define LIMA_PP_PERF_CNT_0_SRC               0x1084
    193#define LIMA_PP_PERF_CNT_0_LIMIT             0x1088
    194#define LIMA_PP_PERF_CNT_0_VALUE             0x108c
    195#define LIMA_PP_PERF_CNT_1_ENABLE            0x10a0
    196#define LIMA_PP_PERF_CNT_1_SRC               0x10a4
    197#define LIMA_PP_PERF_CNT_1_LIMIT             0x10a8
    198#define LIMA_PP_PERF_CNT_1_VALUE             0x10ac
    199#define LIMA_PP_PERFMON_CONTR                0x10b0
    200#define LIMA_PP_PERFMON_BASE                 0x10b4
    201
    202#define LIMA_PP_IRQ_MASK_ALL                 \
    203	(                                    \
    204	 LIMA_PP_IRQ_END_OF_FRAME          | \
    205	 LIMA_PP_IRQ_END_OF_TILE           | \
    206	 LIMA_PP_IRQ_HANG                  | \
    207	 LIMA_PP_IRQ_FORCE_HANG            | \
    208	 LIMA_PP_IRQ_BUS_ERROR             | \
    209	 LIMA_PP_IRQ_BUS_STOP              | \
    210	 LIMA_PP_IRQ_CNT_0_LIMIT           | \
    211	 LIMA_PP_IRQ_CNT_1_LIMIT           | \
    212	 LIMA_PP_IRQ_WRITE_BOUNDARY_ERROR  | \
    213	 LIMA_PP_IRQ_INVALID_PLIST_COMMAND | \
    214	 LIMA_PP_IRQ_CALL_STACK_UNDERFLOW  | \
    215	 LIMA_PP_IRQ_CALL_STACK_OVERFLOW   | \
    216	 LIMA_PP_IRQ_RESET_COMPLETED)
    217
    218#define LIMA_PP_IRQ_MASK_ERROR               \
    219	(                                    \
    220	 LIMA_PP_IRQ_FORCE_HANG            | \
    221	 LIMA_PP_IRQ_BUS_ERROR             | \
    222	 LIMA_PP_IRQ_WRITE_BOUNDARY_ERROR  | \
    223	 LIMA_PP_IRQ_INVALID_PLIST_COMMAND | \
    224	 LIMA_PP_IRQ_CALL_STACK_UNDERFLOW  | \
    225	 LIMA_PP_IRQ_CALL_STACK_OVERFLOW)
    226
    227#define LIMA_PP_IRQ_MASK_USED                \
    228	(                                    \
    229	 LIMA_PP_IRQ_END_OF_FRAME          | \
    230	 LIMA_PP_IRQ_MASK_ERROR)
    231
    232/* MMU regs */
    233#define LIMA_MMU_DTE_ADDR                     0x0000
    234#define LIMA_MMU_STATUS                       0x0004
    235#define   LIMA_MMU_STATUS_PAGING_ENABLED      BIT(0)
    236#define   LIMA_MMU_STATUS_PAGE_FAULT_ACTIVE   BIT(1)
    237#define   LIMA_MMU_STATUS_STALL_ACTIVE        BIT(2)
    238#define   LIMA_MMU_STATUS_IDLE                BIT(3)
    239#define   LIMA_MMU_STATUS_REPLAY_BUFFER_EMPTY BIT(4)
    240#define   LIMA_MMU_STATUS_PAGE_FAULT_IS_WRITE BIT(5)
    241#define   LIMA_MMU_STATUS_BUS_ID(x)           ((x >> 6) & 0x1F)
    242#define   LIMA_MMU_STATUS_STALL_NOT_ACTIVE    BIT(31)
    243#define LIMA_MMU_COMMAND                      0x0008
    244#define   LIMA_MMU_COMMAND_ENABLE_PAGING      0x00
    245#define   LIMA_MMU_COMMAND_DISABLE_PAGING     0x01
    246#define   LIMA_MMU_COMMAND_ENABLE_STALL       0x02
    247#define   LIMA_MMU_COMMAND_DISABLE_STALL      0x03
    248#define   LIMA_MMU_COMMAND_ZAP_CACHE          0x04
    249#define   LIMA_MMU_COMMAND_PAGE_FAULT_DONE    0x05
    250#define   LIMA_MMU_COMMAND_HARD_RESET         0x06
    251#define LIMA_MMU_PAGE_FAULT_ADDR              0x000C
    252#define LIMA_MMU_ZAP_ONE_LINE                 0x0010
    253#define LIMA_MMU_INT_RAWSTAT                  0x0014
    254#define LIMA_MMU_INT_CLEAR                    0x0018
    255#define LIMA_MMU_INT_MASK                     0x001C
    256#define   LIMA_MMU_INT_PAGE_FAULT             BIT(0)
    257#define   LIMA_MMU_INT_READ_BUS_ERROR         BIT(1)
    258#define LIMA_MMU_INT_STATUS                   0x0020
    259
    260#define LIMA_VM_FLAG_PRESENT          BIT(0)
    261#define LIMA_VM_FLAG_READ_PERMISSION  BIT(1)
    262#define LIMA_VM_FLAG_WRITE_PERMISSION BIT(2)
    263#define LIMA_VM_FLAG_OVERRIDE_CACHE   BIT(3)
    264#define LIMA_VM_FLAG_WRITE_CACHEABLE  BIT(4)
    265#define LIMA_VM_FLAG_WRITE_ALLOCATE   BIT(5)
    266#define LIMA_VM_FLAG_WRITE_BUFFERABLE BIT(6)
    267#define LIMA_VM_FLAG_READ_CACHEABLE   BIT(7)
    268#define LIMA_VM_FLAG_READ_ALLOCATE    BIT(8)
    269#define LIMA_VM_FLAG_MASK             0x1FF
    270
    271#define LIMA_VM_FLAGS_CACHE (			 \
    272		LIMA_VM_FLAG_PRESENT |		 \
    273		LIMA_VM_FLAG_READ_PERMISSION |	 \
    274		LIMA_VM_FLAG_WRITE_PERMISSION |	 \
    275		LIMA_VM_FLAG_OVERRIDE_CACHE |	 \
    276		LIMA_VM_FLAG_WRITE_CACHEABLE |	 \
    277		LIMA_VM_FLAG_WRITE_BUFFERABLE |	 \
    278		LIMA_VM_FLAG_READ_CACHEABLE |	 \
    279		LIMA_VM_FLAG_READ_ALLOCATE)
    280
    281#define LIMA_VM_FLAGS_UNCACHE (			\
    282		LIMA_VM_FLAG_PRESENT |		\
    283		LIMA_VM_FLAG_READ_PERMISSION |	\
    284		LIMA_VM_FLAG_WRITE_PERMISSION)
    285
    286/* DLBU regs */
    287#define LIMA_DLBU_MASTER_TLLIST_PHYS_ADDR  0x0000
    288#define	LIMA_DLBU_MASTER_TLLIST_VADDR      0x0004
    289#define	LIMA_DLBU_TLLIST_VBASEADDR         0x0008
    290#define	LIMA_DLBU_FB_DIM                   0x000C
    291#define	LIMA_DLBU_TLLIST_CONF              0x0010
    292#define	LIMA_DLBU_START_TILE_POS           0x0014
    293#define	LIMA_DLBU_PP_ENABLE_MASK           0x0018
    294
    295/* BCAST regs */
    296#define LIMA_BCAST_BROADCAST_MASK    0x0
    297#define LIMA_BCAST_INTERRUPT_MASK    0x4
    298
    299#endif