drivers/scsi/hisi_sas/hisi_sas_v1_hw.c

   1 /*
   2  * Copyright (c) 2015 Linaro Ltd.
   3  * Copyright (c) 2015 Hisilicon Limited.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  */
  11
  12 #include "hisi_sas.h"
  13 #define DRV_NAME "hisi_sas_v1_hw"
  14
  15 /* global registers need init*/
  16 #define DLVRY_QUEUE_ENABLE              0x0
  17 #define IOST_BASE_ADDR_LO               0x8
  18 #define IOST_BASE_ADDR_HI               0xc
  19 #define ITCT_BASE_ADDR_LO               0x10
  20 #define ITCT_BASE_ADDR_HI               0x14
  21 #define BROKEN_MSG_ADDR_LO              0x18
  22 #define BROKEN_MSG_ADDR_HI              0x1c
  23 #define PHY_CONTEXT                     0x20
  24 #define PHY_STATE                       0x24
  25 #define PHY_PORT_NUM_MA                 0x28
  26 #define PORT_STATE                      0x2c
  27 #define PHY_CONN_RATE                   0x30
  28 #define HGC_TRANS_TASK_CNT_LIMIT        0x38
  29 #define AXI_AHB_CLK_CFG                 0x3c
  30 #define HGC_SAS_TXFAIL_RETRY_CTRL       0x84
  31 #define HGC_GET_ITV_TIME                0x90
  32 #define DEVICE_MSG_WORK_MODE            0x94
  33 #define I_T_NEXUS_LOSS_TIME             0xa0
  34 #define BUS_INACTIVE_LIMIT_TIME         0xa8
  35 #define REJECT_TO_OPEN_LIMIT_TIME       0xac
  36 #define CFG_AGING_TIME                  0xbc
  37 #define CFG_AGING_TIME_ITCT_REL_OFF     0
  38 #define CFG_AGING_TIME_ITCT_REL_MSK     (0x1 << CFG_AGING_TIME_ITCT_REL_OFF)
  39 #define HGC_DFX_CFG2                    0xc0
  40 #define FIS_LIST_BADDR_L                0xc4
  41 #define CFG_1US_TIMER_TRSH              0xcc
  42 #define CFG_SAS_CONFIG                  0xd4
  43 #define HGC_IOST_ECC_ADDR               0x140
  44 #define HGC_IOST_ECC_ADDR_BAD_OFF       16
  45 #define HGC_IOST_ECC_ADDR_BAD_MSK       (0x3ff << HGC_IOST_ECC_ADDR_BAD_OFF)
  46 #define HGC_DQ_ECC_ADDR                 0x144
  47 #define HGC_DQ_ECC_ADDR_BAD_OFF         16
  48 #define HGC_DQ_ECC_ADDR_BAD_MSK         (0xfff << HGC_DQ_ECC_ADDR_BAD_OFF)
  49 #define HGC_INVLD_DQE_INFO              0x148
  50 #define HGC_INVLD_DQE_INFO_DQ_OFF       0
  51 #define HGC_INVLD_DQE_INFO_DQ_MSK       (0xffff << HGC_INVLD_DQE_INFO_DQ_OFF)
  52 #define HGC_INVLD_DQE_INFO_TYPE_OFF     16
  53 #define HGC_INVLD_DQE_INFO_TYPE_MSK     (0x1 << HGC_INVLD_DQE_INFO_TYPE_OFF)
  54 #define HGC_INVLD_DQE_INFO_FORCE_OFF    17
  55 #define HGC_INVLD_DQE_INFO_FORCE_MSK    (0x1 << HGC_INVLD_DQE_INFO_FORCE_OFF)
  56 #define HGC_INVLD_DQE_INFO_PHY_OFF      18
  57 #define HGC_INVLD_DQE_INFO_PHY_MSK      (0x1 << HGC_INVLD_DQE_INFO_PHY_OFF)
  58 #define HGC_INVLD_DQE_INFO_ABORT_OFF    19
  59 #define HGC_INVLD_DQE_INFO_ABORT_MSK    (0x1 << HGC_INVLD_DQE_INFO_ABORT_OFF)
  60 #define HGC_INVLD_DQE_INFO_IPTT_OF_OFF  20
  61 #define HGC_INVLD_DQE_INFO_IPTT_OF_MSK  (0x1 << HGC_INVLD_DQE_INFO_IPTT_OF_OFF)
  62 #define HGC_INVLD_DQE_INFO_SSP_ERR_OFF  21
  63 #define HGC_INVLD_DQE_INFO_SSP_ERR_MSK  (0x1 << HGC_INVLD_DQE_INFO_SSP_ERR_OFF)
  64 #define HGC_INVLD_DQE_INFO_OFL_OFF      22
  65 #define HGC_INVLD_DQE_INFO_OFL_MSK      (0x1 << HGC_INVLD_DQE_INFO_OFL_OFF)
  66 #define HGC_ITCT_ECC_ADDR               0x150
  67 #define HGC_ITCT_ECC_ADDR_BAD_OFF       16
  68 #define HGC_ITCT_ECC_ADDR_BAD_MSK       (0x3ff << HGC_ITCT_ECC_ADDR_BAD_OFF)
  69 #define HGC_AXI_FIFO_ERR_INFO           0x154
  70 #define INT_COAL_EN                     0x1bc
  71 #define OQ_INT_COAL_TIME                0x1c0
  72 #define OQ_INT_COAL_CNT                 0x1c4
  73 #define ENT_INT_COAL_TIME               0x1c8
  74 #define ENT_INT_COAL_CNT                0x1cc
  75 #define OQ_INT_SRC                      0x1d0
  76 #define OQ_INT_SRC_MSK                  0x1d4
  77 #define ENT_INT_SRC1                    0x1d8
  78 #define ENT_INT_SRC2                    0x1dc
  79 #define ENT_INT_SRC2_DQ_CFG_ERR_OFF     25
  80 #define ENT_INT_SRC2_DQ_CFG_ERR_MSK     (0x1 << ENT_INT_SRC2_DQ_CFG_ERR_OFF)
  81 #define ENT_INT_SRC2_CQ_CFG_ERR_OFF     27
  82 #define ENT_INT_SRC2_CQ_CFG_ERR_MSK     (0x1 << ENT_INT_SRC2_CQ_CFG_ERR_OFF)
  83 #define ENT_INT_SRC2_AXI_WRONG_INT_OFF  28
  84 #define ENT_INT_SRC2_AXI_WRONG_INT_MSK  (0x1 << ENT_INT_SRC2_AXI_WRONG_INT_OFF)
  85 #define ENT_INT_SRC2_AXI_OVERLF_INT_OFF 29
  86 #define ENT_INT_SRC2_AXI_OVERLF_INT_MSK (0x1 << ENT_INT_SRC2_AXI_OVERLF_INT_OFF)
  87 #define ENT_INT_SRC_MSK1                0x1e0
  88 #define ENT_INT_SRC_MSK2                0x1e4
  89 #define SAS_ECC_INTR                    0x1e8
  90 #define SAS_ECC_INTR_DQ_ECC1B_OFF       0
  91 #define SAS_ECC_INTR_DQ_ECC1B_MSK       (0x1 << SAS_ECC_INTR_DQ_ECC1B_OFF)
  92 #define SAS_ECC_INTR_DQ_ECCBAD_OFF      1
  93 #define SAS_ECC_INTR_DQ_ECCBAD_MSK      (0x1 << SAS_ECC_INTR_DQ_ECCBAD_OFF)
  94 #define SAS_ECC_INTR_IOST_ECC1B_OFF     2
  95 #define SAS_ECC_INTR_IOST_ECC1B_MSK     (0x1 << SAS_ECC_INTR_IOST_ECC1B_OFF)
  96 #define SAS_ECC_INTR_IOST_ECCBAD_OFF    3
  97 #define SAS_ECC_INTR_IOST_ECCBAD_MSK    (0x1 << SAS_ECC_INTR_IOST_ECCBAD_OFF)
  98 #define SAS_ECC_INTR_ITCT_ECC1B_OFF     4
  99 #define SAS_ECC_INTR_ITCT_ECC1B_MSK     (0x1 << SAS_ECC_INTR_ITCT_ECC1B_OFF)
 100 #define SAS_ECC_INTR_ITCT_ECCBAD_OFF    5
 101 #define SAS_ECC_INTR_ITCT_ECCBAD_MSK    (0x1 << SAS_ECC_INTR_ITCT_ECCBAD_OFF)
 102 #define SAS_ECC_INTR_MSK                0x1ec
 103 #define HGC_ERR_STAT_EN                 0x238
 104 #define DLVRY_Q_0_BASE_ADDR_LO          0x260
 105 #define DLVRY_Q_0_BASE_ADDR_HI          0x264
 106 #define DLVRY_Q_0_DEPTH                 0x268
 107 #define DLVRY_Q_0_WR_PTR                0x26c
 108 #define DLVRY_Q_0_RD_PTR                0x270
 109 #define COMPL_Q_0_BASE_ADDR_LO          0x4e0
 110 #define COMPL_Q_0_BASE_ADDR_HI          0x4e4
 111 #define COMPL_Q_0_DEPTH                 0x4e8
 112 #define COMPL_Q_0_WR_PTR                0x4ec
 113 #define COMPL_Q_0_RD_PTR                0x4f0
 114 #define HGC_ECC_ERR                     0x7d0
 115
 116 /* phy registers need init */
 117 #define PORT_BASE                       (0x800)
 118
 119 #define PHY_CFG                         (PORT_BASE + 0x0)
 120 #define PHY_CFG_ENA_OFF                 0
 121 #define PHY_CFG_ENA_MSK                 (0x1 << PHY_CFG_ENA_OFF)
 122 #define PHY_CFG_DC_OPT_OFF              2
 123 #define PHY_CFG_DC_OPT_MSK              (0x1 << PHY_CFG_DC_OPT_OFF)
 124 #define PROG_PHY_LINK_RATE              (PORT_BASE + 0xc)
 125 #define PROG_PHY_LINK_RATE_MAX_OFF      0
 126 #define PROG_PHY_LINK_RATE_MAX_MSK      (0xf << PROG_PHY_LINK_RATE_MAX_OFF)
 127 #define PROG_PHY_LINK_RATE_MIN_OFF      4
 128 #define PROG_PHY_LINK_RATE_MIN_MSK      (0xf << PROG_PHY_LINK_RATE_MIN_OFF)
 129 #define PROG_PHY_LINK_RATE_OOB_OFF      8
 130 #define PROG_PHY_LINK_RATE_OOB_MSK      (0xf << PROG_PHY_LINK_RATE_OOB_OFF)
 131 #define PHY_CTRL                        (PORT_BASE + 0x14)
 132 #define PHY_CTRL_RESET_OFF              0
 133 #define PHY_CTRL_RESET_MSK              (0x1 << PHY_CTRL_RESET_OFF)
 134 #define PHY_RATE_NEGO                   (PORT_BASE + 0x30)
 135 #define PHY_PCN                         (PORT_BASE + 0x44)
 136 #define SL_TOUT_CFG                     (PORT_BASE + 0x8c)
 137 #define SL_CONTROL                      (PORT_BASE + 0x94)
 138 #define SL_CONTROL_NOTIFY_EN_OFF        0
 139 #define SL_CONTROL_NOTIFY_EN_MSK        (0x1 << SL_CONTROL_NOTIFY_EN_OFF)
 140 #define TX_ID_DWORD0                    (PORT_BASE + 0x9c)
 141 #define TX_ID_DWORD1                    (PORT_BASE + 0xa0)
 142 #define TX_ID_DWORD2                    (PORT_BASE + 0xa4)
 143 #define TX_ID_DWORD3                    (PORT_BASE + 0xa8)
 144 #define TX_ID_DWORD4                    (PORT_BASE + 0xaC)
 145 #define TX_ID_DWORD5                    (PORT_BASE + 0xb0)
 146 #define TX_ID_DWORD6                    (PORT_BASE + 0xb4)
 147 #define RX_IDAF_DWORD0                  (PORT_BASE + 0xc4)
 148 #define RX_IDAF_DWORD1                  (PORT_BASE + 0xc8)
 149 #define RX_IDAF_DWORD2                  (PORT_BASE + 0xcc)
 150 #define RX_IDAF_DWORD3                  (PORT_BASE + 0xd0)
 151 #define RX_IDAF_DWORD4                  (PORT_BASE + 0xd4)
 152 #define RX_IDAF_DWORD5                  (PORT_BASE + 0xd8)
 153 #define RX_IDAF_DWORD6                  (PORT_BASE + 0xdc)
 154 #define RXOP_CHECK_CFG_H                (PORT_BASE + 0xfc)
 155 #define DONE_RECEIVED_TIME              (PORT_BASE + 0x12c)
 156 #define CON_CFG_DRIVER                  (PORT_BASE + 0x130)
 157 #define PHY_CONFIG2                     (PORT_BASE + 0x1a8)
 158 #define PHY_CONFIG2_FORCE_TXDEEMPH_OFF  3
 159 #define PHY_CONFIG2_FORCE_TXDEEMPH_MSK  (0x1 << PHY_CONFIG2_FORCE_TXDEEMPH_OFF)
 160 #define PHY_CONFIG2_TX_TRAIN_COMP_OFF   24
 161 #define PHY_CONFIG2_TX_TRAIN_COMP_MSK   (0x1 << PHY_CONFIG2_TX_TRAIN_COMP_OFF)
 162 #define CHL_INT0                        (PORT_BASE + 0x1b0)
 163 #define CHL_INT0_PHYCTRL_NOTRDY_OFF     0
 164 #define CHL_INT0_PHYCTRL_NOTRDY_MSK     (0x1 << CHL_INT0_PHYCTRL_NOTRDY_OFF)
 165 #define CHL_INT0_SN_FAIL_NGR_OFF        2
 166 #define CHL_INT0_SN_FAIL_NGR_MSK        (0x1 << CHL_INT0_SN_FAIL_NGR_OFF)
 167 #define CHL_INT0_DWS_LOST_OFF           4
 168 #define CHL_INT0_DWS_LOST_MSK           (0x1 << CHL_INT0_DWS_LOST_OFF)
 169 #define CHL_INT0_SL_IDAF_FAIL_OFF       10
 170 #define CHL_INT0_SL_IDAF_FAIL_MSK       (0x1 << CHL_INT0_SL_IDAF_FAIL_OFF)
 171 #define CHL_INT0_ID_TIMEOUT_OFF         11
 172 #define CHL_INT0_ID_TIMEOUT_MSK         (0x1 << CHL_INT0_ID_TIMEOUT_OFF)
 173 #define CHL_INT0_SL_OPAF_FAIL_OFF       12
 174 #define CHL_INT0_SL_OPAF_FAIL_MSK       (0x1 << CHL_INT0_SL_OPAF_FAIL_OFF)
 175 #define CHL_INT0_SL_PS_FAIL_OFF         21
 176 #define CHL_INT0_SL_PS_FAIL_MSK         (0x1 << CHL_INT0_SL_PS_FAIL_OFF)
 177 #define CHL_INT1                        (PORT_BASE + 0x1b4)
 178 #define CHL_INT2                        (PORT_BASE + 0x1b8)
 179 #define CHL_INT2_SL_RX_BC_ACK_OFF       2
 180 #define CHL_INT2_SL_RX_BC_ACK_MSK       (0x1 << CHL_INT2_SL_RX_BC_ACK_OFF)
 181 #define CHL_INT2_SL_PHY_ENA_OFF         6
 182 #define CHL_INT2_SL_PHY_ENA_MSK         (0x1 << CHL_INT2_SL_PHY_ENA_OFF)
 183 #define CHL_INT0_MSK                    (PORT_BASE + 0x1bc)
 184 #define CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF 0
 185 #define CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK (0x1 << CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF)
 186 #define CHL_INT1_MSK                    (PORT_BASE + 0x1c0)
 187 #define CHL_INT2_MSK                    (PORT_BASE + 0x1c4)
 188 #define CHL_INT_COAL_EN                 (PORT_BASE + 0x1d0)
 189 #define DMA_TX_STATUS                   (PORT_BASE + 0x2d0)
 190 #define DMA_TX_STATUS_BUSY_OFF          0
 191 #define DMA_TX_STATUS_BUSY_MSK          (0x1 << DMA_TX_STATUS_BUSY_OFF)
 192 #define DMA_RX_STATUS                   (PORT_BASE + 0x2e8)
 193 #define DMA_RX_STATUS_BUSY_OFF          0
 194 #define DMA_RX_STATUS_BUSY_MSK          (0x1 << DMA_RX_STATUS_BUSY_OFF)
 195
 196 #define AXI_CFG                         0x5100
 197 #define RESET_VALUE                     0x7ffff
 198
 199 /* HW dma structures */
 200 /* Delivery queue header */
 201 /* dw0 */
 202 #define CMD_HDR_RESP_REPORT_OFF         5
 203 #define CMD_HDR_RESP_REPORT_MSK         0x20
 204 #define CMD_HDR_TLR_CTRL_OFF            6
 205 #define CMD_HDR_TLR_CTRL_MSK            0xc0
 206 #define CMD_HDR_PORT_OFF                17
 207 #define CMD_HDR_PORT_MSK                0xe0000
 208 #define CMD_HDR_PRIORITY_OFF            27
 209 #define CMD_HDR_PRIORITY_MSK            0x8000000
 210 #define CMD_HDR_MODE_OFF                28
 211 #define CMD_HDR_MODE_MSK                0x10000000
 212 #define CMD_HDR_CMD_OFF                 29
 213 #define CMD_HDR_CMD_MSK                 0xe0000000
 214 /* dw1 */
 215 #define CMD_HDR_VERIFY_DTL_OFF          10
 216 #define CMD_HDR_VERIFY_DTL_MSK          0x400
 217 #define CMD_HDR_SSP_FRAME_TYPE_OFF      13
 218 #define CMD_HDR_SSP_FRAME_TYPE_MSK      0xe000
 219 #define CMD_HDR_DEVICE_ID_OFF           16
 220 #define CMD_HDR_DEVICE_ID_MSK           0xffff0000
 221 /* dw2 */
 222 #define CMD_HDR_CFL_OFF                 0
 223 #define CMD_HDR_CFL_MSK                 0x1ff
 224 #define CMD_HDR_MRFL_OFF                15
 225 #define CMD_HDR_MRFL_MSK                0xff8000
 226 #define CMD_HDR_FIRST_BURST_OFF         25
 227 #define CMD_HDR_FIRST_BURST_MSK         0x2000000
 228 /* dw3 */
 229 #define CMD_HDR_IPTT_OFF                0
 230 #define CMD_HDR_IPTT_MSK                0xffff
 231 /* dw6 */
 232 #define CMD_HDR_DATA_SGL_LEN_OFF        16
 233 #define CMD_HDR_DATA_SGL_LEN_MSK        0xffff0000
 234
 235 /* Completion header */
 236 #define CMPLT_HDR_IPTT_OFF              0
 237 #define CMPLT_HDR_IPTT_MSK              (0xffff << CMPLT_HDR_IPTT_OFF)
 238 #define CMPLT_HDR_CMD_CMPLT_OFF         17
 239 #define CMPLT_HDR_CMD_CMPLT_MSK         (0x1 << CMPLT_HDR_CMD_CMPLT_OFF)
 240 #define CMPLT_HDR_ERR_RCRD_XFRD_OFF     18
 241 #define CMPLT_HDR_ERR_RCRD_XFRD_MSK     (0x1 << CMPLT_HDR_ERR_RCRD_XFRD_OFF)
 242 #define CMPLT_HDR_RSPNS_XFRD_OFF        19
 243 #define CMPLT_HDR_RSPNS_XFRD_MSK        (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
 244 #define CMPLT_HDR_IO_CFG_ERR_OFF        27
 245 #define CMPLT_HDR_IO_CFG_ERR_MSK        (0x1 << CMPLT_HDR_IO_CFG_ERR_OFF)
 246
 247 /* ITCT header */
 248 /* qw0 */
 249 #define ITCT_HDR_DEV_TYPE_OFF           0
 250 #define ITCT_HDR_DEV_TYPE_MSK           (0x3ULL << ITCT_HDR_DEV_TYPE_OFF)
 251 #define ITCT_HDR_VALID_OFF              2
 252 #define ITCT_HDR_VALID_MSK              (0x1ULL << ITCT_HDR_VALID_OFF)
 253 #define ITCT_HDR_AWT_CONTROL_OFF        4
 254 #define ITCT_HDR_AWT_CONTROL_MSK        (0x1ULL << ITCT_HDR_AWT_CONTROL_OFF)
 255 #define ITCT_HDR_MAX_CONN_RATE_OFF      5
 256 #define ITCT_HDR_MAX_CONN_RATE_MSK      (0xfULL << ITCT_HDR_MAX_CONN_RATE_OFF)
 257 #define ITCT_HDR_VALID_LINK_NUM_OFF     9
 258 #define ITCT_HDR_VALID_LINK_NUM_MSK     (0xfULL << ITCT_HDR_VALID_LINK_NUM_OFF)
 259 #define ITCT_HDR_PORT_ID_OFF            13
 260 #define ITCT_HDR_PORT_ID_MSK            (0x7ULL << ITCT_HDR_PORT_ID_OFF)
 261 #define ITCT_HDR_SMP_TIMEOUT_OFF        16
 262 #define ITCT_HDR_SMP_TIMEOUT_MSK        (0xffffULL << ITCT_HDR_SMP_TIMEOUT_OFF)
 263 /* qw1 */
 264 #define ITCT_HDR_MAX_SAS_ADDR_OFF       0
 265 #define ITCT_HDR_MAX_SAS_ADDR_MSK       (0xffffffffffffffff << \
 266                                         ITCT_HDR_MAX_SAS_ADDR_OFF)
 267 /* qw2 */
 268 #define ITCT_HDR_IT_NEXUS_LOSS_TL_OFF   0
 269 #define ITCT_HDR_IT_NEXUS_LOSS_TL_MSK   (0xffffULL << \
 270                                         ITCT_HDR_IT_NEXUS_LOSS_TL_OFF)
 271 #define ITCT_HDR_BUS_INACTIVE_TL_OFF    16
 272 #define ITCT_HDR_BUS_INACTIVE_TL_MSK    (0xffffULL << \
 273                                         ITCT_HDR_BUS_INACTIVE_TL_OFF)
 274 #define ITCT_HDR_MAX_CONN_TL_OFF        32
 275 #define ITCT_HDR_MAX_CONN_TL_MSK        (0xffffULL << \
 276                                         ITCT_HDR_MAX_CONN_TL_OFF)
 277 #define ITCT_HDR_REJ_OPEN_TL_OFF        48
 278 #define ITCT_HDR_REJ_OPEN_TL_MSK        (0xffffULL << \
 279                                         ITCT_HDR_REJ_OPEN_TL_OFF)
 280
 281 /* Err record header */
 282 #define ERR_HDR_DMA_TX_ERR_TYPE_OFF     0
 283 #define ERR_HDR_DMA_TX_ERR_TYPE_MSK     (0xffff << ERR_HDR_DMA_TX_ERR_TYPE_OFF)
 284 #define ERR_HDR_DMA_RX_ERR_TYPE_OFF     16
 285 #define ERR_HDR_DMA_RX_ERR_TYPE_MSK     (0xffff << ERR_HDR_DMA_RX_ERR_TYPE_OFF)
 286
 287 struct hisi_sas_complete_v1_hdr {
 288         __le32 data;
 289 };
 290
 291 struct hisi_sas_err_record_v1 {
 292         /* dw0 */
 293         __le32 dma_err_type;
 294
 295         /* dw1 */
 296         __le32 trans_tx_fail_type;
 297
 298         /* dw2 */
 299         __le32 trans_rx_fail_type;
 300
 301         /* dw3 */
 302         u32 rsvd;
 303 };
 304
 305 enum {
 306         HISI_SAS_PHY_BCAST_ACK = 0,
 307         HISI_SAS_PHY_SL_PHY_ENABLED,
 308         HISI_SAS_PHY_INT_ABNORMAL,
 309         HISI_SAS_PHY_INT_NR
 310 };
 311
 312 enum {
 313         DMA_TX_ERR_BASE = 0x0,
 314         DMA_RX_ERR_BASE = 0x100,
 315         TRANS_TX_FAIL_BASE = 0x200,
 316         TRANS_RX_FAIL_BASE = 0x300,
 317
 318         /* dma tx */
 319         DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x0 */
 320         DMA_TX_DIF_APP_ERR, /* 0x1 */
 321         DMA_TX_DIF_RPP_ERR, /* 0x2 */
 322         DMA_TX_AXI_BUS_ERR, /* 0x3 */
 323         DMA_TX_DATA_SGL_OVERFLOW_ERR, /* 0x4 */
 324         DMA_TX_DIF_SGL_OVERFLOW_ERR, /* 0x5 */
 325         DMA_TX_UNEXP_XFER_RDY_ERR, /* 0x6 */
 326         DMA_TX_XFER_RDY_OFFSET_ERR, /* 0x7 */
 327         DMA_TX_DATA_UNDERFLOW_ERR, /* 0x8 */
 328         DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR, /* 0x9 */
 329
 330         /* dma rx */
 331         DMA_RX_BUFFER_ECC_ERR = DMA_RX_ERR_BASE, /* 0x100 */
 332         DMA_RX_DIF_CRC_ERR, /* 0x101 */
 333         DMA_RX_DIF_APP_ERR, /* 0x102 */
 334         DMA_RX_DIF_RPP_ERR, /* 0x103 */
 335         DMA_RX_RESP_BUFFER_OVERFLOW_ERR, /* 0x104 */
 336         DMA_RX_AXI_BUS_ERR, /* 0x105 */
 337         DMA_RX_DATA_SGL_OVERFLOW_ERR, /* 0x106 */
 338         DMA_RX_DIF_SGL_OVERFLOW_ERR, /* 0x107 */
 339         DMA_RX_DATA_OFFSET_ERR, /* 0x108 */
 340         DMA_RX_UNEXP_RX_DATA_ERR, /* 0x109 */
 341         DMA_RX_DATA_OVERFLOW_ERR, /* 0x10a */
 342         DMA_RX_DATA_UNDERFLOW_ERR, /* 0x10b */
 343         DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x10c */
 344
 345         /* trans tx */
 346         TRANS_TX_RSVD0_ERR = TRANS_TX_FAIL_BASE, /* 0x200 */
 347         TRANS_TX_PHY_NOT_ENABLE_ERR, /* 0x201 */
 348         TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR, /* 0x202 */
 349         TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR, /* 0x203 */
 350         TRANS_TX_OPEN_REJCT_BY_OTHER_ERR, /* 0x204 */
 351         TRANS_TX_RSVD1_ERR, /* 0x205 */
 352         TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR, /* 0x206 */
 353         TRANS_TX_OPEN_REJCT_STP_BUSY_ERR, /* 0x207 */
 354         TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR, /* 0x208 */
 355         TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR, /* 0x209 */
 356         TRANS_TX_OPEN_REJCT_BAD_DEST_ERR, /* 0x20a */
 357         TRANS_TX_OPEN_BREAK_RECEIVE_ERR, /* 0x20b */
 358         TRANS_TX_LOW_PHY_POWER_ERR, /* 0x20c */
 359         TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR, /* 0x20d */
 360         TRANS_TX_OPEN_TIMEOUT_ERR, /* 0x20e */
 361         TRANS_TX_OPEN_REJCT_NO_DEST_ERR, /* 0x20f */
 362         TRANS_TX_OPEN_RETRY_ERR, /* 0x210 */
 363         TRANS_TX_RSVD2_ERR, /* 0x211 */
 364         TRANS_TX_BREAK_TIMEOUT_ERR, /* 0x212 */
 365         TRANS_TX_BREAK_REQUEST_ERR, /* 0x213 */
 366         TRANS_TX_BREAK_RECEIVE_ERR, /* 0x214 */
 367         TRANS_TX_CLOSE_TIMEOUT_ERR, /* 0x215 */
 368         TRANS_TX_CLOSE_NORMAL_ERR, /* 0x216 */
 369         TRANS_TX_CLOSE_PHYRESET_ERR, /* 0x217 */
 370         TRANS_TX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x218 */
 371         TRANS_TX_WITH_CLOSE_COMINIT_ERR, /* 0x219 */
 372         TRANS_TX_NAK_RECEIVE_ERR, /* 0x21a */
 373         TRANS_TX_ACK_NAK_TIMEOUT_ERR, /* 0x21b */
 374         TRANS_TX_CREDIT_TIMEOUT_ERR, /* 0x21c */
 375         TRANS_TX_IPTT_CONFLICT_ERR, /* 0x21d */
 376         TRANS_TX_TXFRM_TYPE_ERR, /* 0x21e */
 377         TRANS_TX_TXSMP_LENGTH_ERR, /* 0x21f */
 378
 379         /* trans rx */
 380         TRANS_RX_FRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x300 */
 381         TRANS_RX_FRAME_DONE_ERR, /* 0x301 */
 382         TRANS_RX_FRAME_ERRPRM_ERR, /* 0x302 */
 383         TRANS_RX_FRAME_NO_CREDIT_ERR, /* 0x303 */
 384         TRANS_RX_RSVD0_ERR, /* 0x304 */
 385         TRANS_RX_FRAME_OVERRUN_ERR, /* 0x305 */
 386         TRANS_RX_FRAME_NO_EOF_ERR, /* 0x306 */
 387         TRANS_RX_LINK_BUF_OVERRUN_ERR, /* 0x307 */
 388         TRANS_RX_BREAK_TIMEOUT_ERR, /* 0x308 */
 389         TRANS_RX_BREAK_REQUEST_ERR, /* 0x309 */
 390         TRANS_RX_BREAK_RECEIVE_ERR, /* 0x30a */
 391         TRANS_RX_CLOSE_TIMEOUT_ERR, /* 0x30b */
 392         TRANS_RX_CLOSE_NORMAL_ERR, /* 0x30c */
 393         TRANS_RX_CLOSE_PHYRESET_ERR, /* 0x30d */
 394         TRANS_RX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x30e */
 395         TRANS_RX_WITH_CLOSE_COMINIT_ERR, /* 0x30f */
 396         TRANS_RX_DATA_LENGTH0_ERR, /* 0x310 */
 397         TRANS_RX_BAD_HASH_ERR, /* 0x311 */
 398         TRANS_RX_XRDY_ZERO_ERR, /* 0x312 */
 399         TRANS_RX_SSP_FRAME_LEN_ERR, /* 0x313 */
 400         TRANS_RX_TRANS_RX_RSVD1_ERR, /* 0x314 */
 401         TRANS_RX_NO_BALANCE_ERR, /* 0x315 */
 402         TRANS_RX_TRANS_RX_RSVD2_ERR, /* 0x316 */
 403         TRANS_RX_TRANS_RX_RSVD3_ERR, /* 0x317 */
 404         TRANS_RX_BAD_FRAME_TYPE_ERR, /* 0x318 */
 405         TRANS_RX_SMP_FRAME_LEN_ERR, /* 0x319 */
 406         TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x31a */
 407 };
 408
 409 #define HISI_SAS_COMMAND_ENTRIES_V1_HW 8192
 410
 411 #define HISI_SAS_PHY_MAX_INT_NR (HISI_SAS_PHY_INT_NR * HISI_SAS_MAX_PHYS)
 412 #define HISI_SAS_CQ_MAX_INT_NR (HISI_SAS_MAX_QUEUES)
 413 #define HISI_SAS_FATAL_INT_NR (2)
 414
 415 #define HISI_SAS_MAX_INT_NR \
 416         (HISI_SAS_PHY_MAX_INT_NR + HISI_SAS_CQ_MAX_INT_NR +\
 417         HISI_SAS_FATAL_INT_NR)
 418
 419 static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
 420 {
 421         void __iomem *regs = hisi_hba->regs + off;
 422
 423         return readl(regs);
 424 }
 425
 426 static u32 hisi_sas_read32_relaxed(struct hisi_hba *hisi_hba, u32 off)
 427 {
 428         void __iomem *regs = hisi_hba->regs + off;
 429
 430         return readl_relaxed(regs);
 431 }
 432
 433 static void hisi_sas_write32(struct hisi_hba *hisi_hba,
 434                                     u32 off, u32 val)
 435 {
 436         void __iomem *regs = hisi_hba->regs + off;
 437
 438         writel(val, regs);
 439 }
 440
 441 static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba,
 442                                         int phy_no, u32 off, u32 val)
 443 {
 444         void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
 445
 446         writel(val, regs);
 447 }
 448
 449 static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
 450                                       int phy_no, u32 off)
 451 {
 452         void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
 453
 454         return readl(regs);
 455 }
 456
 457 static void config_phy_opt_mode_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
 458 {
 459         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
 460
 461         cfg &= ~PHY_CFG_DC_OPT_MSK;
 462         cfg |= 1 << PHY_CFG_DC_OPT_OFF;
 463         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
 464 }
 465
 466 static void config_tx_tfe_autoneg_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
 467 {
 468         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CONFIG2);
 469
 470         cfg &= ~PHY_CONFIG2_FORCE_TXDEEMPH_MSK;
 471         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CONFIG2, cfg);
 472 }
 473
 474 static void config_id_frame_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
 475 {
 476         struct sas_identify_frame identify_frame;
 477         u32 *identify_buffer;
 478
 479         memset(&identify_frame, 0, sizeof(identify_frame));
 480         identify_frame.dev_type = SAS_END_DEVICE;
 481         identify_frame.frame_type = 0;
 482         identify_frame._un1 = 1;
 483         identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
 484         identify_frame.target_bits = SAS_PROTOCOL_NONE;
 485         memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
 486         memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
 487         identify_frame.phy_id = phy_no;
 488         identify_buffer = (u32 *)(&identify_frame);
 489
 490         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
 491                         __swab32(identify_buffer[0]));
 492         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
 493                         identify_buffer[2]);
 494         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
 495                         identify_buffer[1]);
 496         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
 497                         identify_buffer[4]);
 498         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
 499                         identify_buffer[3]);
 500         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
 501                         __swab32(identify_buffer[5]));
 502 }
 503
 504 static void init_id_frame_v1_hw(struct hisi_hba *hisi_hba)
 505 {
 506         int i;
 507
 508         for (i = 0; i < hisi_hba->n_phy; i++)
 509                 config_id_frame_v1_hw(hisi_hba, i);
 510 }
 511
 512 static void setup_itct_v1_hw(struct hisi_hba *hisi_hba,
 513                              struct hisi_sas_device *sas_dev)
 514 {
 515         struct domain_device *device = sas_dev->sas_device;
 516         struct device *dev = &hisi_hba->pdev->dev;
 517         u64 qw0, device_id = sas_dev->device_id;
 518         struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
 519
 520         memset(itct, 0, sizeof(*itct));
 521
 522         /* qw0 */
 523         qw0 = 0;
 524         switch (sas_dev->dev_type) {
 525         case SAS_END_DEVICE:
 526         case SAS_EDGE_EXPANDER_DEVICE:
 527         case SAS_FANOUT_EXPANDER_DEVICE:
 528                 qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
 529                 break;
 530         default:
 531                 dev_warn(dev, "setup itct: unsupported dev type (%d)\n",
 532                          sas_dev->dev_type);
 533         }
 534
 535         qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
 536                 (1 << ITCT_HDR_AWT_CONTROL_OFF) |
 537                 (device->max_linkrate << ITCT_HDR_MAX_CONN_RATE_OFF) |
 538                 (1 << ITCT_HDR_VALID_LINK_NUM_OFF) |
 539                 (device->port->id << ITCT_HDR_PORT_ID_OFF));
 540         itct->qw0 = cpu_to_le64(qw0);
 541
 542         /* qw1 */
 543         memcpy(&itct->sas_addr, device->sas_addr, SAS_ADDR_SIZE);
 544         itct->sas_addr = __swab64(itct->sas_addr);
 545
 546         /* qw2 */
 547         itct->qw2 = cpu_to_le64((500ULL << ITCT_HDR_IT_NEXUS_LOSS_TL_OFF) |
 548                                 (0xff00ULL << ITCT_HDR_BUS_INACTIVE_TL_OFF) |
 549                                 (0xff00ULL << ITCT_HDR_MAX_CONN_TL_OFF) |
 550                                 (0xff00ULL << ITCT_HDR_REJ_OPEN_TL_OFF));
 551 }
 552
 553 static void free_device_v1_hw(struct hisi_hba *hisi_hba,
 554                               struct hisi_sas_device *sas_dev)
 555 {
 556         u64 dev_id = sas_dev->device_id;
 557         struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
 558         u64 qw0;
 559         u32 reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
 560
 561         reg_val |= CFG_AGING_TIME_ITCT_REL_MSK;
 562         hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val);
 563
 564         /* free itct */
 565         udelay(1);
 566         reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
 567         reg_val &= ~CFG_AGING_TIME_ITCT_REL_MSK;
 568         hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val);
 569
 570         qw0 = cpu_to_le64(itct->qw0);
 571         qw0 &= ~ITCT_HDR_VALID_MSK;
 572         itct->qw0 = cpu_to_le64(qw0);
 573 }
 574
 575 static int reset_hw_v1_hw(struct hisi_hba *hisi_hba)
 576 {
 577         int i;
 578         unsigned long end_time;
 579         u32 val;
 580         struct device *dev = &hisi_hba->pdev->dev;
 581
 582         for (i = 0; i < hisi_hba->n_phy; i++) {
 583                 u32 phy_ctrl = hisi_sas_phy_read32(hisi_hba, i, PHY_CTRL);
 584
 585                 phy_ctrl |= PHY_CTRL_RESET_MSK;
 586                 hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, phy_ctrl);
 587         }
 588         msleep(1); /* It is safe to wait for 50us */
 589
 590         /* Ensure DMA tx & rx idle */
 591         for (i = 0; i < hisi_hba->n_phy; i++) {
 592                 u32 dma_tx_status, dma_rx_status;
 593
 594                 end_time = jiffies + msecs_to_jiffies(1000);
 595
 596                 while (1) {
 597                         dma_tx_status = hisi_sas_phy_read32(hisi_hba, i,
 598                                                             DMA_TX_STATUS);
 599                         dma_rx_status = hisi_sas_phy_read32(hisi_hba, i,
 600                                                             DMA_RX_STATUS);
 601
 602                         if (!(dma_tx_status & DMA_TX_STATUS_BUSY_MSK) &&
 603                                 !(dma_rx_status & DMA_RX_STATUS_BUSY_MSK))
 604                                 break;
 605
 606                         msleep(20);
 607                         if (time_after(jiffies, end_time))
 608                                 return -EIO;
 609                 }
 610         }
 611
 612         /* Ensure axi bus idle */
 613         end_time = jiffies + msecs_to_jiffies(1000);
 614         while (1) {
 615                 u32 axi_status =
 616                         hisi_sas_read32(hisi_hba, AXI_CFG);
 617
 618                 if (axi_status == 0)
 619                         break;
 620
 621                 msleep(20);
 622                 if (time_after(jiffies, end_time))
 623                         return -EIO;
 624         }
 625
 626         if (ACPI_HANDLE(dev)) {
 627                 acpi_status s;
 628
 629                 s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
 630                 if (ACPI_FAILURE(s)) {
 631                         dev_err(dev, "Reset failed\n");
 632                         return -EIO;
 633                 }
 634         } else if (hisi_hba->ctrl) {
 635                 /* Apply reset and disable clock */
 636                 /* clk disable reg is offset by +4 bytes from clk enable reg */
 637                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
 638                              RESET_VALUE);
 639                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4,
 640                              RESET_VALUE);
 641                 msleep(1);
 642                 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
 643                 if (RESET_VALUE != (val & RESET_VALUE)) {
 644                         dev_err(dev, "Reset failed\n");
 645                         return -EIO;
 646                 }
 647
 648                 /* De-reset and enable clock */
 649                 /* deassert rst reg is offset by +4 bytes from assert reg */
 650                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4,
 651                              RESET_VALUE);
 652                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg,
 653                              RESET_VALUE);
 654                 msleep(1);
 655                 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
 656                 if (val & RESET_VALUE) {
 657                         dev_err(dev, "De-reset failed\n");
 658                         return -EIO;
 659                 }
 660         } else
 661                 dev_warn(dev, "no reset method\n");
 662
 663         return 0;
 664 }
 665
 666 static void init_reg_v1_hw(struct hisi_hba *hisi_hba)
 667 {
 668         int i;
 669
 670         /* Global registers init*/
 671         hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
 672                          (u32)((1ULL << hisi_hba->queue_count) - 1));
 673         hisi_sas_write32(hisi_hba, HGC_TRANS_TASK_CNT_LIMIT, 0x11);
 674         hisi_sas_write32(hisi_hba, DEVICE_MSG_WORK_MODE, 0x1);
 675         hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x1ff);
 676         hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x401);
 677         hisi_sas_write32(hisi_hba, CFG_1US_TIMER_TRSH, 0x64);
 678         hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1);
 679         hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x64);
 680         hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, 0x2710);
 681         hisi_sas_write32(hisi_hba, REJECT_TO_OPEN_LIMIT_TIME, 0x1);
 682         hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x7a12);
 683         hisi_sas_write32(hisi_hba, HGC_DFX_CFG2, 0x9c40);
 684         hisi_sas_write32(hisi_hba, FIS_LIST_BADDR_L, 0x2);
 685         hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc);
 686         hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x186a0);
 687         hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 1);
 688         hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1);
 689         hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1);
 690         hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffffffff);
 691         hisi_sas_write32(hisi_hba, OQ_INT_SRC_MSK, 0);
 692         hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
 693         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0);
 694         hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
 695         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0);
 696         hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0);
 697         hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 0x2);
 698         hisi_sas_write32(hisi_hba, CFG_SAS_CONFIG, 0x22000000);
 699
 700         for (i = 0; i < hisi_hba->n_phy; i++) {
 701                 hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE, 0x88a);
 702                 hisi_sas_phy_write32(hisi_hba, i, PHY_CONFIG2, 0x7c080);
 703                 hisi_sas_phy_write32(hisi_hba, i, PHY_RATE_NEGO, 0x415ee00);
 704                 hisi_sas_phy_write32(hisi_hba, i, PHY_PCN, 0x80a80000);
 705                 hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d);
 706                 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x0);
 707                 hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
 708                 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0);
 709                 hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x13f0a);
 710                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT_COAL_EN, 3);
 711                 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 8);
 712         }
 713
 714         for (i = 0; i < hisi_hba->queue_count; i++) {
 715                 /* Delivery queue */
 716                 hisi_sas_write32(hisi_hba,
 717                                  DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
 718                                  upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
 719
 720                 hisi_sas_write32(hisi_hba,
 721                                  DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
 722                                  lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
 723
 724                 hisi_sas_write32(hisi_hba,
 725                                  DLVRY_Q_0_DEPTH + (i * 0x14),
 726                                  HISI_SAS_QUEUE_SLOTS);
 727
 728                 /* Completion queue */
 729                 hisi_sas_write32(hisi_hba,
 730                                  COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
 731                                  upper_32_bits(hisi_hba->complete_hdr_dma[i]));
 732
 733                 hisi_sas_write32(hisi_hba,
 734                                  COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
 735                                  lower_32_bits(hisi_hba->complete_hdr_dma[i]));
 736
 737                 hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
 738                                  HISI_SAS_QUEUE_SLOTS);
 739         }
 740
 741         /* itct */
 742         hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
 743                          lower_32_bits(hisi_hba->itct_dma));
 744
 745         hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
 746                          upper_32_bits(hisi_hba->itct_dma));
 747
 748         /* iost */
 749         hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
 750                          lower_32_bits(hisi_hba->iost_dma));
 751
 752         hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
 753                          upper_32_bits(hisi_hba->iost_dma));
 754
 755         /* breakpoint */
 756         hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_LO,
 757                          lower_32_bits(hisi_hba->breakpoint_dma));
 758
 759         hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_HI,
 760                          upper_32_bits(hisi_hba->breakpoint_dma));
 761 }
 762
 763 static int hw_init_v1_hw(struct hisi_hba *hisi_hba)
 764 {
 765         struct device *dev = &hisi_hba->pdev->dev;
 766         int rc;
 767
 768         rc = reset_hw_v1_hw(hisi_hba);
 769         if (rc) {
 770                 dev_err(dev, "hisi_sas_reset_hw failed, rc=%d", rc);
 771                 return rc;
 772         }
 773
 774         msleep(100);
 775         init_reg_v1_hw(hisi_hba);
 776
 777         init_id_frame_v1_hw(hisi_hba);
 778
 779         return 0;
 780 }
 781
 782 static void enable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
 783 {
 784         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
 785
 786         cfg |= PHY_CFG_ENA_MSK;
 787         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
 788 }
 789
 790 static void disable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
 791 {
 792         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
 793
 794         cfg &= ~PHY_CFG_ENA_MSK;
 795         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
 796 }
 797
 798 static void start_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
 799 {
 800         config_id_frame_v1_hw(hisi_hba, phy_no);
 801         config_phy_opt_mode_v1_hw(hisi_hba, phy_no);
 802         config_tx_tfe_autoneg_v1_hw(hisi_hba, phy_no);
 803         enable_phy_v1_hw(hisi_hba, phy_no);
 804 }
 805
 806 static void stop_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
 807 {
 808         disable_phy_v1_hw(hisi_hba, phy_no);
 809 }
 810
 811 static void phy_hard_reset_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
 812 {
 813         stop_phy_v1_hw(hisi_hba, phy_no);
 814         msleep(100);
 815         start_phy_v1_hw(hisi_hba, phy_no);
 816 }
 817
 818 static void start_phys_v1_hw(unsigned long data)
 819 {
 820         struct hisi_hba *hisi_hba = (struct hisi_hba *)data;
 821         int i;
 822
 823         for (i = 0; i < hisi_hba->n_phy; i++) {
 824                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x12a);
 825                 start_phy_v1_hw(hisi_hba, i);
 826         }
 827 }
 828
 829 static void phys_init_v1_hw(struct hisi_hba *hisi_hba)
 830 {
 831         int i;
 832         struct timer_list *timer = &hisi_hba->timer;
 833
 834         for (i = 0; i < hisi_hba->n_phy; i++) {
 835                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x6a);
 836                 hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK);
 837         }
 838
 839         setup_timer(timer, start_phys_v1_hw, (unsigned long)hisi_hba);
 840         mod_timer(timer, jiffies + HZ);
 841 }
 842
 843 static void sl_notify_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
 844 {
 845         u32 sl_control;
 846
 847         sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
 848         sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
 849         hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
 850         msleep(1);
 851         sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
 852         sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
 853         hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
 854 }
 855
 856 static int get_wideport_bitmap_v1_hw(struct hisi_hba *hisi_hba, int port_id)
 857 {
 858         int i, bitmap = 0;
 859         u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
 860
 861         for (i = 0; i < hisi_hba->n_phy; i++)
 862                 if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
 863                         bitmap |= 1 << i;
 864
 865         return bitmap;
 866 }
 867
 868 /**
 869  * This function allocates across all queues to load balance.
 870  * Slots are allocated from queues in a round-robin fashion.
 871  *
 872  * The callpath to this function and upto writing the write
 873  * queue pointer should be safe from interruption.
 874  */
 875 static int get_free_slot_v1_hw(struct hisi_hba *hisi_hba, int *q, int *s)
 876 {
 877         struct device *dev = &hisi_hba->pdev->dev;
 878         struct hisi_sas_dq *dq;
 879         u32 r, w;
 880         int queue = hisi_hba->queue;
 881
 882         while (1) {
 883                 dq = &hisi_hba->dq[queue];
 884                 w = dq->wr_point;
 885                 r = hisi_sas_read32_relaxed(hisi_hba,
 886                                     DLVRY_Q_0_RD_PTR + (queue * 0x14));
 887                 if (r == (w+1) % HISI_SAS_QUEUE_SLOTS) {
 888                         queue = (queue + 1) % hisi_hba->queue_count;
 889                         if (queue == hisi_hba->queue) {
 890                                 dev_warn(dev, "could not find free slot\n");
 891                                 return -EAGAIN;
 892                         }
 893                         continue;
 894                 }
 895                 break;
 896         }
 897         hisi_hba->queue = (queue + 1) % hisi_hba->queue_count;
 898         *q = queue;
 899         *s = w;
 900         return 0;
 901 }
 902
 903 static void start_delivery_v1_hw(struct hisi_hba *hisi_hba)
 904 {
 905         int dlvry_queue = hisi_hba->slot_prep->dlvry_queue;
 906         int dlvry_queue_slot = hisi_hba->slot_prep->dlvry_queue_slot;
 907         struct hisi_sas_dq *dq = &hisi_hba->dq[dlvry_queue];
 908
 909         dq->wr_point = ++dlvry_queue_slot % HISI_SAS_QUEUE_SLOTS;
 910         hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14),
 911                          dq->wr_point);
 912 }
 913
 914 static int prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba,
 915                               struct hisi_sas_slot *slot,
 916                               struct hisi_sas_cmd_hdr *hdr,
 917                               struct scatterlist *scatter,
 918                               int n_elem)
 919 {
 920         struct device *dev = &hisi_hba->pdev->dev;
 921         struct scatterlist *sg;
 922         int i;
 923
 924         if (n_elem > HISI_SAS_SGE_PAGE_CNT) {
 925                 dev_err(dev, "prd err: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT",
 926                         n_elem);
 927                 return -EINVAL;
 928         }
 929
 930         slot->sge_page = dma_pool_alloc(hisi_hba->sge_page_pool, GFP_ATOMIC,
 931                                         &slot->sge_page_dma);
 932         if (!slot->sge_page)
 933                 return -ENOMEM;
 934
 935         for_each_sg(scatter, sg, n_elem, i) {
 936                 struct hisi_sas_sge *entry = &slot->sge_page->sge[i];
 937
 938                 entry->addr = cpu_to_le64(sg_dma_address(sg));
 939                 entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
 940                 entry->data_len = cpu_to_le32(sg_dma_len(sg));
 941                 entry->data_off = 0;
 942         }
 943
 944         hdr->prd_table_addr = cpu_to_le64(slot->sge_page_dma);
 945
 946         hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
 947
 948         return 0;
 949 }
 950
 951 static int prep_smp_v1_hw(struct hisi_hba *hisi_hba,
 952                           struct hisi_sas_slot *slot)
 953 {
 954         struct sas_task *task = slot->task;
 955         struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
 956         struct domain_device *device = task->dev;
 957         struct device *dev = &hisi_hba->pdev->dev;
 958         struct hisi_sas_port *port = slot->port;
 959         struct scatterlist *sg_req, *sg_resp;
 960         struct hisi_sas_device *sas_dev = device->lldd_dev;
 961         dma_addr_t req_dma_addr;
 962         unsigned int req_len, resp_len;
 963         int elem, rc;
 964
 965         /*
 966         * DMA-map SMP request, response buffers
 967         */
 968         /* req */
 969         sg_req = &task->smp_task.smp_req;
 970         elem = dma_map_sg(dev, sg_req, 1, DMA_TO_DEVICE);
 971         if (!elem)
 972                 return -ENOMEM;
 973         req_len = sg_dma_len(sg_req);
 974         req_dma_addr = sg_dma_address(sg_req);
 975
 976         /* resp */
 977         sg_resp = &task->smp_task.smp_resp;
 978         elem = dma_map_sg(dev, sg_resp, 1, DMA_FROM_DEVICE);
 979         if (!elem) {
 980                 rc = -ENOMEM;
 981                 goto err_out_req;
 982         }
 983         resp_len = sg_dma_len(sg_resp);
 984         if ((req_len & 0x3) || (resp_len & 0x3)) {
 985                 rc = -EINVAL;
 986                 goto err_out_resp;
 987         }
 988
 989         /* create header */
 990         /* dw0 */
 991         hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
 992                                (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
 993                                (1 << CMD_HDR_MODE_OFF) | /* ini mode */
 994                                (2 << CMD_HDR_CMD_OFF)); /* smp */
 995
 996         /* map itct entry */
 997         hdr->dw1 = cpu_to_le32(sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF);
 998
 999         /* dw2 */
1000         hdr->dw2 = cpu_to_le32((((req_len-4)/4) << CMD_HDR_CFL_OFF) |
1001                                (HISI_SAS_MAX_SMP_RESP_SZ/4 <<
1002                                CMD_HDR_MRFL_OFF));
1003
1004         hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
1005
1006         hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
1007         hdr->sts_buffer_addr = cpu_to_le64(slot->status_buffer_dma);
1008
1009         return 0;
1010
1011 err_out_resp:
1012         dma_unmap_sg(dev, &slot->task->smp_task.smp_resp, 1,
1013                      DMA_FROM_DEVICE);
1014 err_out_req:
1015         dma_unmap_sg(dev, &slot->task->smp_task.smp_req, 1,
1016                      DMA_TO_DEVICE);
1017         return rc;
1018 }
1019
1020 static int prep_ssp_v1_hw(struct hisi_hba *hisi_hba,
1021                           struct hisi_sas_slot *slot, int is_tmf,
1022                           struct hisi_sas_tmf_task *tmf)
1023 {
1024         struct sas_task *task = slot->task;
1025         struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
1026         struct domain_device *device = task->dev;
1027         struct hisi_sas_device *sas_dev = device->lldd_dev;
1028         struct hisi_sas_port *port = slot->port;
1029         struct sas_ssp_task *ssp_task = &task->ssp_task;
1030         struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
1031         int has_data = 0, rc, priority = is_tmf;
1032         u8 *buf_cmd, fburst = 0;
1033         u32 dw1, dw2;
1034
1035         /* create header */
1036         hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
1037                                (0x2 << CMD_HDR_TLR_CTRL_OFF) |
1038                                (port->id << CMD_HDR_PORT_OFF) |
1039                                (priority << CMD_HDR_PRIORITY_OFF) |
1040                                (1 << CMD_HDR_MODE_OFF) | /* ini mode */
1041                                (1 << CMD_HDR_CMD_OFF)); /* ssp */
1042
1043         dw1 = 1 << CMD_HDR_VERIFY_DTL_OFF;
1044
1045         if (is_tmf) {
1046                 dw1 |= 3 << CMD_HDR_SSP_FRAME_TYPE_OFF;
1047         } else {
1048                 switch (scsi_cmnd->sc_data_direction) {
1049                 case DMA_TO_DEVICE:
1050                         dw1 |= 2 << CMD_HDR_SSP_FRAME_TYPE_OFF;
1051                         has_data = 1;
1052                         break;
1053                 case DMA_FROM_DEVICE:
1054                         dw1 |= 1 << CMD_HDR_SSP_FRAME_TYPE_OFF;
1055                         has_data = 1;
1056                         break;
1057                 default:
1058                         dw1 |= 0 << CMD_HDR_SSP_FRAME_TYPE_OFF;
1059                 }
1060         }
1061
1062         /* map itct entry */
1063         dw1 |= sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF;
1064         hdr->dw1 = cpu_to_le32(dw1);
1065
1066         if (is_tmf) {
1067                 dw2 = ((sizeof(struct ssp_tmf_iu) +
1068                         sizeof(struct ssp_frame_hdr)+3)/4) <<
1069                         CMD_HDR_CFL_OFF;
1070         } else {
1071                 dw2 = ((sizeof(struct ssp_command_iu) +
1072                         sizeof(struct ssp_frame_hdr)+3)/4) <<
1073                         CMD_HDR_CFL_OFF;
1074         }
1075
1076         dw2 |= (HISI_SAS_MAX_SSP_RESP_SZ/4) << CMD_HDR_MRFL_OFF;
1077
1078         hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
1079
1080         if (has_data) {
1081                 rc = prep_prd_sge_v1_hw(hisi_hba, slot, hdr, task->scatter,
1082                                         slot->n_elem);
1083                 if (rc)
1084                         return rc;
1085         }
1086
1087         hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
1088         hdr->cmd_table_addr = cpu_to_le64(slot->command_table_dma);
1089         hdr->sts_buffer_addr = cpu_to_le64(slot->status_buffer_dma);
1090
1091         buf_cmd = slot->command_table + sizeof(struct ssp_frame_hdr);
1092         if (task->ssp_task.enable_first_burst) {
1093                 fburst = (1 << 7);
1094                 dw2 |= 1 << CMD_HDR_FIRST_BURST_OFF;
1095         }
1096         hdr->dw2 = cpu_to_le32(dw2);
1097
1098         memcpy(buf_cmd, &task->ssp_task.LUN, 8);
1099         if (!is_tmf) {
1100                 buf_cmd[9] = fburst | task->ssp_task.task_attr |
1101                                 (task->ssp_task.task_prio << 3);
1102                 memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd,
1103                                 task->ssp_task.cmd->cmd_len);
1104         } else {
1105                 buf_cmd[10] = tmf->tmf;
1106                 switch (tmf->tmf) {
1107                 case TMF_ABORT_TASK:
1108                 case TMF_QUERY_TASK:
1109                         buf_cmd[12] =
1110                                 (tmf->tag_of_task_to_be_managed >> 8) & 0xff;
1111                         buf_cmd[13] =
1112                                 tmf->tag_of_task_to_be_managed & 0xff;
1113                         break;
1114                 default:
1115                         break;
1116                 }
1117         }
1118
1119         return 0;
1120 }
1121
1122 /* by default, task resp is complete */
1123 static void slot_err_v1_hw(struct hisi_hba *hisi_hba,
1124                            struct sas_task *task,
1125                            struct hisi_sas_slot *slot)
1126 {
1127         struct task_status_struct *ts = &task->task_status;
1128         struct hisi_sas_err_record_v1 *err_record = slot->status_buffer;
1129         struct device *dev = &hisi_hba->pdev->dev;
1130
1131         switch (task->task_proto) {
1132         case SAS_PROTOCOL_SSP:
1133         {
1134                 int error = -1;
1135                 u32 dma_err_type = cpu_to_le32(err_record->dma_err_type);
1136                 u32 dma_tx_err_type = ((dma_err_type &
1137                                         ERR_HDR_DMA_TX_ERR_TYPE_MSK)) >>
1138                                         ERR_HDR_DMA_TX_ERR_TYPE_OFF;
1139                 u32 dma_rx_err_type = ((dma_err_type &
1140                                         ERR_HDR_DMA_RX_ERR_TYPE_MSK)) >>
1141                                         ERR_HDR_DMA_RX_ERR_TYPE_OFF;
1142                 u32 trans_tx_fail_type =
1143                                 cpu_to_le32(err_record->trans_tx_fail_type);
1144                 u32 trans_rx_fail_type =
1145                                 cpu_to_le32(err_record->trans_rx_fail_type);
1146
1147                 if (dma_tx_err_type) {
1148                         /* dma tx err */
1149                         error = ffs(dma_tx_err_type)
1150                                 - 1 + DMA_TX_ERR_BASE;
1151                 } else if (dma_rx_err_type) {
1152                         /* dma rx err */
1153                         error = ffs(dma_rx_err_type)
1154                                 - 1 + DMA_RX_ERR_BASE;
1155                 } else if (trans_tx_fail_type) {
1156                         /* trans tx err */
1157                         error = ffs(trans_tx_fail_type)
1158                                 - 1 + TRANS_TX_FAIL_BASE;
1159                 } else if (trans_rx_fail_type) {
1160                         /* trans rx err */
1161                         error = ffs(trans_rx_fail_type)
1162                                 - 1 + TRANS_RX_FAIL_BASE;
1163                 }
1164
1165                 switch (error) {
1166                 case DMA_TX_DATA_UNDERFLOW_ERR:
1167                 case DMA_RX_DATA_UNDERFLOW_ERR:
1168                 {
1169                         ts->residual = 0;
1170                         ts->stat = SAS_DATA_UNDERRUN;
1171                         break;
1172                 }
1173                 case DMA_TX_DATA_SGL_OVERFLOW_ERR:
1174                 case DMA_TX_DIF_SGL_OVERFLOW_ERR:
1175                 case DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR:
1176                 case DMA_RX_DATA_OVERFLOW_ERR:
1177                 case TRANS_RX_FRAME_OVERRUN_ERR:
1178                 case TRANS_RX_LINK_BUF_OVERRUN_ERR:
1179                 {
1180                         ts->stat = SAS_DATA_OVERRUN;
1181                         ts->residual = 0;
1182                         break;
1183                 }
1184                 case TRANS_TX_PHY_NOT_ENABLE_ERR:
1185                 {
1186                         ts->stat = SAS_PHY_DOWN;
1187                         break;
1188                 }
1189                 case TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR:
1190                 case TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR:
1191                 case TRANS_TX_OPEN_REJCT_BY_OTHER_ERR:
1192                 case TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR:
1193                 case TRANS_TX_OPEN_REJCT_STP_BUSY_ERR:
1194                 case TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR:
1195                 case TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR:
1196                 case TRANS_TX_OPEN_REJCT_BAD_DEST_ERR:
1197                 case TRANS_TX_OPEN_BREAK_RECEIVE_ERR:
1198                 case TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR:
1199                 case TRANS_TX_OPEN_REJCT_NO_DEST_ERR:
1200                 case TRANS_TX_OPEN_RETRY_ERR:
1201                 {
1202                         ts->stat = SAS_OPEN_REJECT;
1203                         ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1204                         break;
1205                 }
1206                 case TRANS_TX_OPEN_TIMEOUT_ERR:
1207                 {
1208                         ts->stat = SAS_OPEN_TO;
1209                         break;
1210                 }
1211                 case TRANS_TX_NAK_RECEIVE_ERR:
1212                 case TRANS_TX_ACK_NAK_TIMEOUT_ERR:
1213                 {
1214                         ts->stat = SAS_NAK_R_ERR;
1215                         break;
1216                 }
1217                 case TRANS_TX_CREDIT_TIMEOUT_ERR:
1218                 case TRANS_TX_CLOSE_NORMAL_ERR:
1219                 {
1220                         /* This will request a retry */
1221                         ts->stat = SAS_QUEUE_FULL;
1222                         slot->abort = 1;
1223                         break;
1224                 }
1225                 default:
1226                 {
1227                         ts->stat = SAM_STAT_CHECK_CONDITION;
1228                         break;
1229                 }
1230                 }
1231         }
1232                 break;
1233         case SAS_PROTOCOL_SMP:
1234                 ts->stat = SAM_STAT_CHECK_CONDITION;
1235                 break;
1236
1237         case SAS_PROTOCOL_SATA:
1238         case SAS_PROTOCOL_STP:
1239         case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1240         {
1241                 dev_err(dev, "slot err: SATA/STP not supported");
1242         }
1243                 break;
1244         default:
1245                 break;
1246         }
1247
1248 }
1249
1250 static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
1251                                struct hisi_sas_slot *slot, int abort)
1252 {
1253         struct sas_task *task = slot->task;
1254         struct hisi_sas_device *sas_dev;
1255         struct device *dev = &hisi_hba->pdev->dev;
1256         struct task_status_struct *ts;
1257         struct domain_device *device;
1258         enum exec_status sts;
1259         struct hisi_sas_complete_v1_hdr *complete_queue =
1260                         hisi_hba->complete_hdr[slot->cmplt_queue];
1261         struct hisi_sas_complete_v1_hdr *complete_hdr;
1262         u32 cmplt_hdr_data;
1263
1264         complete_hdr = &complete_queue[slot->cmplt_queue_slot];
1265         cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
1266
1267         if (unlikely(!task || !task->lldd_task || !task->dev))
1268                 return -EINVAL;
1269
1270         ts = &task->task_status;
1271         device = task->dev;
1272         sas_dev = device->lldd_dev;
1273
1274         task->task_state_flags &=
1275                 ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
1276         task->task_state_flags |= SAS_TASK_STATE_DONE;
1277
1278         memset(ts, 0, sizeof(*ts));
1279         ts->resp = SAS_TASK_COMPLETE;
1280
1281         if (unlikely(!sas_dev || abort)) {
1282                 if (!sas_dev)
1283                         dev_dbg(dev, "slot complete: port has not device\n");
1284                 ts->stat = SAS_PHY_DOWN;
1285                 goto out;
1286         }
1287
1288         if (cmplt_hdr_data & CMPLT_HDR_IO_CFG_ERR_MSK) {
1289                 u32 info_reg = hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO);
1290
1291                 if (info_reg & HGC_INVLD_DQE_INFO_DQ_MSK)
1292                         dev_err(dev, "slot complete: [%d:%d] has dq IPTT err",
1293                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1294
1295                 if (info_reg & HGC_INVLD_DQE_INFO_TYPE_MSK)
1296                         dev_err(dev, "slot complete: [%d:%d] has dq type err",
1297                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1298
1299                 if (info_reg & HGC_INVLD_DQE_INFO_FORCE_MSK)
1300                         dev_err(dev, "slot complete: [%d:%d] has dq force phy err",
1301                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1302
1303                 if (info_reg & HGC_INVLD_DQE_INFO_PHY_MSK)
1304                         dev_err(dev, "slot complete: [%d:%d] has dq phy id err",
1305                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1306
1307                 if (info_reg & HGC_INVLD_DQE_INFO_ABORT_MSK)
1308                         dev_err(dev, "slot complete: [%d:%d] has dq abort flag err",
1309                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1310
1311                 if (info_reg & HGC_INVLD_DQE_INFO_IPTT_OF_MSK)
1312                         dev_err(dev, "slot complete: [%d:%d] has dq IPTT or ICT err",
1313                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1314
1315                 if (info_reg & HGC_INVLD_DQE_INFO_SSP_ERR_MSK)
1316                         dev_err(dev, "slot complete: [%d:%d] has dq SSP frame type err",
1317                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1318
1319                 if (info_reg & HGC_INVLD_DQE_INFO_OFL_MSK)
1320                         dev_err(dev, "slot complete: [%d:%d] has dq order frame len err",
1321                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1322
1323                 ts->stat = SAS_OPEN_REJECT;
1324                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1325                 goto out;
1326         }
1327
1328         if (cmplt_hdr_data & CMPLT_HDR_ERR_RCRD_XFRD_MSK &&
1329                 !(cmplt_hdr_data & CMPLT_HDR_RSPNS_XFRD_MSK)) {
1330
1331                 slot_err_v1_hw(hisi_hba, task, slot);
1332                 if (unlikely(slot->abort)) {
1333                         queue_work(hisi_hba->wq, &slot->abort_slot);
1334                         /* immediately return and do not complete */
1335                         return ts->stat;
1336                 }
1337                 goto out;
1338         }
1339
1340         switch (task->task_proto) {
1341         case SAS_PROTOCOL_SSP:
1342         {
1343                 struct ssp_response_iu *iu = slot->status_buffer +
1344                         sizeof(struct hisi_sas_err_record);
1345                 sas_ssp_task_response(dev, task, iu);
1346                 break;
1347         }
1348         case SAS_PROTOCOL_SMP:
1349         {
1350                 void *to;
1351                 struct scatterlist *sg_resp = &task->smp_task.smp_resp;
1352
1353                 ts->stat = SAM_STAT_GOOD;
1354                 to = kmap_atomic(sg_page(sg_resp));
1355
1356                 dma_unmap_sg(dev, &task->smp_task.smp_resp, 1,
1357                              DMA_FROM_DEVICE);
1358                 dma_unmap_sg(dev, &task->smp_task.smp_req, 1,
1359                              DMA_TO_DEVICE);
1360                 memcpy(to + sg_resp->offset,
1361                        slot->status_buffer +
1362                        sizeof(struct hisi_sas_err_record),
1363                        sg_dma_len(sg_resp));
1364                 kunmap_atomic(to);
1365                 break;
1366         }
1367         case SAS_PROTOCOL_SATA:
1368         case SAS_PROTOCOL_STP:
1369         case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1370                 dev_err(dev, "slot complete: SATA/STP not supported");
1371                 break;
1372
1373         default:
1374                 ts->stat = SAM_STAT_CHECK_CONDITION;
1375                 break;
1376         }
1377
1378         if (!slot->port->port_attached) {
1379                 dev_err(dev, "slot complete: port %d has removed\n",
1380                         slot->port->sas_port.id);
1381                 ts->stat = SAS_PHY_DOWN;
1382         }
1383
1384 out:
1385         if (sas_dev && sas_dev->running_req)
1386                 sas_dev->running_req--;
1387
1388         hisi_sas_slot_task_free(hisi_hba, task, slot);
1389         sts = ts->stat;
1390
1391         if (task->task_done)
1392                 task->task_done(task);
1393
1394         return sts;
1395 }
1396
1397 /* Interrupts */
1398 static irqreturn_t int_phyup_v1_hw(int irq_no, void *p)
1399 {
1400         struct hisi_sas_phy *phy = p;
1401         struct hisi_hba *hisi_hba = phy->hisi_hba;
1402         struct device *dev = &hisi_hba->pdev->dev;
1403         struct asd_sas_phy *sas_phy = &phy->sas_phy;
1404         int i, phy_no = sas_phy->id;
1405         u32 irq_value, context, port_id, link_rate;
1406         u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
1407         struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd;
1408         irqreturn_t res = IRQ_HANDLED;
1409
1410         irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1411         if (!(irq_value & CHL_INT2_SL_PHY_ENA_MSK)) {
1412                 dev_dbg(dev, "phyup: irq_value = %x not set enable bit\n",
1413                         irq_value);
1414                 res = IRQ_NONE;
1415                 goto end;
1416         }
1417
1418         context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
1419         if (context & 1 << phy_no) {
1420                 dev_err(dev, "phyup: phy%d SATA attached equipment\n",
1421                         phy_no);
1422                 goto end;
1423         }
1424
1425         port_id = (hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA) >> (4 * phy_no))
1426                   & 0xf;
1427         if (port_id == 0xf) {
1428                 dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
1429                 res = IRQ_NONE;
1430                 goto end;
1431         }
1432
1433         for (i = 0; i < 6; i++) {
1434                 u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
1435                                         RX_IDAF_DWORD0 + (i * 4));
1436                 frame_rcvd[i] = __swab32(idaf);
1437         }
1438
1439         /* Get the linkrate */
1440         link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
1441         link_rate = (link_rate >> (phy_no * 4)) & 0xf;
1442         sas_phy->linkrate = link_rate;
1443         sas_phy->oob_mode = SAS_OOB_MODE;
1444         memcpy(sas_phy->attached_sas_addr,
1445                 &id->sas_addr, SAS_ADDR_SIZE);
1446         dev_info(dev, "phyup: phy%d link_rate=%d\n",
1447                  phy_no, link_rate);
1448         phy->port_id = port_id;
1449         phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
1450         phy->phy_type |= PORT_TYPE_SAS;
1451         phy->phy_attached = 1;
1452         phy->identify.device_type = id->dev_type;
1453         phy->frame_rcvd_size =  sizeof(struct sas_identify_frame);
1454         if (phy->identify.device_type == SAS_END_DEVICE)
1455                 phy->identify.target_port_protocols =
1456                         SAS_PROTOCOL_SSP;
1457         else if (phy->identify.device_type != SAS_PHY_UNUSED)
1458                 phy->identify.target_port_protocols =
1459                         SAS_PROTOCOL_SMP;
1460         queue_work(hisi_hba->wq, &phy->phyup_ws);
1461
1462 end:
1463         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1464                              CHL_INT2_SL_PHY_ENA_MSK);
1465
1466         if (irq_value & CHL_INT2_SL_PHY_ENA_MSK) {
1467                 u32 chl_int0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1468
1469                 chl_int0 &= ~CHL_INT0_PHYCTRL_NOTRDY_MSK;
1470                 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, chl_int0);
1471                 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3ce3ee);
1472         }
1473
1474         return res;
1475 }
1476
1477 static irqreturn_t int_bcast_v1_hw(int irq, void *p)
1478 {
1479         struct hisi_sas_phy *phy = p;
1480         struct hisi_hba *hisi_hba = phy->hisi_hba;
1481         struct asd_sas_phy *sas_phy = &phy->sas_phy;
1482         struct sas_ha_struct *sha = &hisi_hba->sha;
1483         struct device *dev = &hisi_hba->pdev->dev;
1484         int phy_no = sas_phy->id;
1485         u32 irq_value;
1486         irqreturn_t res = IRQ_HANDLED;
1487
1488         irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1489
1490         if (!(irq_value & CHL_INT2_SL_RX_BC_ACK_MSK)) {
1491                 dev_err(dev, "bcast: irq_value = %x not set enable bit",
1492                         irq_value);
1493                 res = IRQ_NONE;
1494                 goto end;
1495         }
1496
1497         sha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
1498
1499 end:
1500         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1501                              CHL_INT2_SL_RX_BC_ACK_MSK);
1502
1503         return res;
1504 }
1505
1506 static irqreturn_t int_abnormal_v1_hw(int irq, void *p)
1507 {
1508         struct hisi_sas_phy *phy = p;
1509         struct hisi_hba *hisi_hba = phy->hisi_hba;
1510         struct device *dev = &hisi_hba->pdev->dev;
1511         struct asd_sas_phy *sas_phy = &phy->sas_phy;
1512         u32 irq_value, irq_mask_old;
1513         int phy_no = sas_phy->id;
1514
1515         /* mask_int0 */
1516         irq_mask_old = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0_MSK);
1517         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3fffff);
1518
1519         /* read int0 */
1520         irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1521
1522         if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK) {
1523                 u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
1524
1525                 hisi_sas_phy_down(hisi_hba, phy_no,
1526                                   (phy_state & 1 << phy_no) ? 1 : 0);
1527         }
1528
1529         if (irq_value & CHL_INT0_ID_TIMEOUT_MSK)
1530                 dev_dbg(dev, "abnormal: ID_TIMEOUT phy%d identify timeout\n",
1531                         phy_no);
1532
1533         if (irq_value & CHL_INT0_DWS_LOST_MSK)
1534                 dev_dbg(dev, "abnormal: DWS_LOST phy%d dws lost\n", phy_no);
1535
1536         if (irq_value & CHL_INT0_SN_FAIL_NGR_MSK)
1537                 dev_dbg(dev, "abnormal: SN_FAIL_NGR phy%d sn fail ngr\n",
1538                         phy_no);
1539
1540         if (irq_value & CHL_INT0_SL_IDAF_FAIL_MSK ||
1541                 irq_value & CHL_INT0_SL_OPAF_FAIL_MSK)
1542                 dev_dbg(dev, "abnormal: SL_ID/OPAF_FAIL phy%d check adr frm err\n",
1543                         phy_no);
1544
1545         if (irq_value & CHL_INT0_SL_PS_FAIL_OFF)
1546                 dev_dbg(dev, "abnormal: SL_PS_FAIL phy%d fail\n", phy_no);
1547
1548         /* write to zero */
1549         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, irq_value);
1550
1551         if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK)
1552                 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1553                                 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1554         else
1555                 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1556                                 irq_mask_old);
1557
1558         return IRQ_HANDLED;
1559 }
1560
1561 static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
1562 {
1563         struct hisi_sas_cq *cq = p;
1564         struct hisi_hba *hisi_hba = cq->hisi_hba;
1565         struct hisi_sas_slot *slot;
1566         int queue = cq->id;
1567         struct hisi_sas_complete_v1_hdr *complete_queue =
1568                         (struct hisi_sas_complete_v1_hdr *)
1569                         hisi_hba->complete_hdr[queue];
1570         u32 irq_value, rd_point = cq->rd_point, wr_point;
1571
1572         irq_value = hisi_sas_read32(hisi_hba, OQ_INT_SRC);
1573
1574         hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
1575         wr_point = hisi_sas_read32(hisi_hba,
1576                         COMPL_Q_0_WR_PTR + (0x14 * queue));
1577
1578         while (rd_point != wr_point) {
1579                 struct hisi_sas_complete_v1_hdr *complete_hdr;
1580                 int idx;
1581                 u32 cmplt_hdr_data;
1582
1583                 complete_hdr = &complete_queue[rd_point];
1584                 cmplt_hdr_data = cpu_to_le32(complete_hdr->data);
1585                 idx = (cmplt_hdr_data & CMPLT_HDR_IPTT_MSK) >>
1586                       CMPLT_HDR_IPTT_OFF;
1587                 slot = &hisi_hba->slot_info[idx];
1588
1589                 /* The completion queue and queue slot index are not
1590                  * necessarily the same as the delivery queue and
1591                  * queue slot index.
1592                  */
1593                 slot->cmplt_queue_slot = rd_point;
1594                 slot->cmplt_queue = queue;
1595                 slot_complete_v1_hw(hisi_hba, slot, 0);
1596
1597                 if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
1598                         rd_point = 0;
1599         }
1600
1601         /* update rd_point */
1602         cq->rd_point = rd_point;
1603         hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
1604
1605         return IRQ_HANDLED;
1606 }
1607
1608 static irqreturn_t fatal_ecc_int_v1_hw(int irq, void *p)
1609 {
1610         struct hisi_hba *hisi_hba = p;
1611         struct device *dev = &hisi_hba->pdev->dev;
1612         u32 ecc_int = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
1613
1614         if (ecc_int & SAS_ECC_INTR_DQ_ECC1B_MSK) {
1615                 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1616
1617                 panic("%s: Fatal DQ 1b ECC interrupt (0x%x)\n",
1618                       dev_name(dev), ecc_err);
1619         }
1620
1621         if (ecc_int & SAS_ECC_INTR_DQ_ECCBAD_MSK) {
1622                 u32 addr = (hisi_sas_read32(hisi_hba, HGC_DQ_ECC_ADDR) &
1623                                 HGC_DQ_ECC_ADDR_BAD_MSK) >>
1624                                 HGC_DQ_ECC_ADDR_BAD_OFF;
1625
1626                 panic("%s: Fatal DQ RAM ECC interrupt @ 0x%08x\n",
1627                       dev_name(dev), addr);
1628         }
1629
1630         if (ecc_int & SAS_ECC_INTR_IOST_ECC1B_MSK) {
1631                 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1632
1633                 panic("%s: Fatal IOST 1b ECC interrupt (0x%x)\n",
1634                       dev_name(dev), ecc_err);
1635         }
1636
1637         if (ecc_int & SAS_ECC_INTR_IOST_ECCBAD_MSK) {
1638                 u32 addr = (hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR) &
1639                                 HGC_IOST_ECC_ADDR_BAD_MSK) >>
1640                                 HGC_IOST_ECC_ADDR_BAD_OFF;
1641
1642                 panic("%s: Fatal IOST RAM ECC interrupt @ 0x%08x\n",
1643                       dev_name(dev), addr);
1644         }
1645
1646         if (ecc_int & SAS_ECC_INTR_ITCT_ECCBAD_MSK) {
1647                 u32 addr = (hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR) &
1648                                 HGC_ITCT_ECC_ADDR_BAD_MSK) >>
1649                                 HGC_ITCT_ECC_ADDR_BAD_OFF;
1650
1651                 panic("%s: Fatal TCT RAM ECC interrupt @ 0x%08x\n",
1652                       dev_name(dev), addr);
1653         }
1654
1655         if (ecc_int & SAS_ECC_INTR_ITCT_ECC1B_MSK) {
1656                 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1657
1658                 panic("%s: Fatal ITCT 1b ECC interrupt (0x%x)\n",
1659                       dev_name(dev), ecc_err);
1660         }
1661
1662         hisi_sas_write32(hisi_hba, SAS_ECC_INTR, ecc_int | 0x3f);
1663
1664         return IRQ_HANDLED;
1665 }
1666
1667 static irqreturn_t fatal_axi_int_v1_hw(int irq, void *p)
1668 {
1669         struct hisi_hba *hisi_hba = p;
1670         struct device *dev = &hisi_hba->pdev->dev;
1671         u32 axi_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC2);
1672         u32 axi_info = hisi_sas_read32(hisi_hba, HGC_AXI_FIFO_ERR_INFO);
1673
1674         if (axi_int & ENT_INT_SRC2_DQ_CFG_ERR_MSK)
1675                 panic("%s: Fatal DQ_CFG_ERR interrupt (0x%x)\n",
1676                       dev_name(dev), axi_info);
1677
1678         if (axi_int & ENT_INT_SRC2_CQ_CFG_ERR_MSK)
1679                 panic("%s: Fatal CQ_CFG_ERR interrupt (0x%x)\n",
1680                       dev_name(dev), axi_info);
1681
1682         if (axi_int & ENT_INT_SRC2_AXI_WRONG_INT_MSK)
1683                 panic("%s: Fatal AXI_WRONG_INT interrupt (0x%x)\n",
1684                       dev_name(dev), axi_info);
1685
1686         if (axi_int & ENT_INT_SRC2_AXI_OVERLF_INT_MSK)
1687                 panic("%s: Fatal AXI_OVERLF_INT incorrect interrupt (0x%x)\n",
1688                       dev_name(dev), axi_info);
1689
1690         hisi_sas_write32(hisi_hba, ENT_INT_SRC2, axi_int | 0x30000000);
1691
1692         return IRQ_HANDLED;
1693 }
1694
1695 static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
1696         int_bcast_v1_hw,
1697         int_phyup_v1_hw,
1698         int_abnormal_v1_hw
1699 };
1700
1701 static irq_handler_t fatal_interrupts[HISI_SAS_MAX_QUEUES] = {
1702         fatal_ecc_int_v1_hw,
1703         fatal_axi_int_v1_hw
1704 };
1705
1706 static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
1707 {
1708         struct platform_device *pdev = hisi_hba->pdev;
1709         struct device *dev = &pdev->dev;
1710         int i, j, irq, rc, idx;
1711
1712         for (i = 0; i < hisi_hba->n_phy; i++) {
1713                 struct hisi_sas_phy *phy = &hisi_hba->phy[i];
1714
1715                 idx = i * HISI_SAS_PHY_INT_NR;
1716                 for (j = 0; j < HISI_SAS_PHY_INT_NR; j++, idx++) {
1717                         irq = platform_get_irq(pdev, idx);
1718                         if (!irq) {
1719                                 dev_err(dev,
1720                                         "irq init: fail map phy interrupt %d\n",
1721                                         idx);
1722                                 return -ENOENT;
1723                         }
1724
1725                         rc = devm_request_irq(dev, irq, phy_interrupts[j], 0,
1726                                               DRV_NAME " phy", phy);
1727                         if (rc) {
1728                                 dev_err(dev, "irq init: could not request "
1729                                         "phy interrupt %d, rc=%d\n",
1730                                         irq, rc);
1731                                 return -ENOENT;
1732                         }
1733                 }
1734         }
1735
1736         idx = hisi_hba->n_phy * HISI_SAS_PHY_INT_NR;
1737         for (i = 0; i < hisi_hba->queue_count; i++, idx++) {
1738                 irq = platform_get_irq(pdev, idx);
1739                 if (!irq) {
1740                         dev_err(dev, "irq init: could not map cq interrupt %d\n",
1741                                 idx);
1742                         return -ENOENT;
1743                 }
1744
1745                 rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0,
1746                                       DRV_NAME " cq", &hisi_hba->cq[i]);
1747                 if (rc) {
1748                         dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
1749                                 irq, rc);
1750                         return -ENOENT;
1751                 }
1752         }
1753
1754         idx = (hisi_hba->n_phy * HISI_SAS_PHY_INT_NR) + hisi_hba->queue_count;
1755         for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++, idx++) {
1756                 irq = platform_get_irq(pdev, idx);
1757                 if (!irq) {
1758                         dev_err(dev, "irq init: could not map fatal interrupt %d\n",
1759                                 idx);
1760                         return -ENOENT;
1761                 }
1762
1763                 rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
1764                                       DRV_NAME " fatal", hisi_hba);
1765                 if (rc) {
1766                         dev_err(dev,
1767                                 "irq init: could not request fatal interrupt %d, rc=%d\n",
1768                                 irq, rc);
1769                         return -ENOENT;
1770                 }
1771         }
1772
1773         return 0;
1774 }
1775
1776 static int interrupt_openall_v1_hw(struct hisi_hba *hisi_hba)
1777 {
1778         int i;
1779         u32 val;
1780
1781         for (i = 0; i < hisi_hba->n_phy; i++) {
1782                 /* Clear interrupt status */
1783                 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT0);
1784                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, val);
1785                 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT1);
1786                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, val);
1787                 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT2);
1788                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, val);
1789
1790                 /* Unmask interrupt */
1791                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK, 0x3ce3ee);
1792                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0x17fff);
1793                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8000012a);
1794
1795                 /* bypass chip bug mask abnormal intr */
1796                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK,
1797                                 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1798         }
1799
1800         return 0;
1801 }
1802
1803 static int hisi_sas_v1_init(struct hisi_hba *hisi_hba)
1804 {
1805         int rc;
1806
1807         rc = hw_init_v1_hw(hisi_hba);
1808         if (rc)
1809                 return rc;
1810
1811         rc = interrupt_init_v1_hw(hisi_hba);
1812         if (rc)
1813                 return rc;
1814
1815         rc = interrupt_openall_v1_hw(hisi_hba);
1816         if (rc)
1817                 return rc;
1818
1819         phys_init_v1_hw(hisi_hba);
1820
1821         return 0;
1822 }
1823
1824 static const struct hisi_sas_hw hisi_sas_v1_hw = {
1825         .hw_init = hisi_sas_v1_init,
1826         .setup_itct = setup_itct_v1_hw,
1827         .sl_notify = sl_notify_v1_hw,
1828         .free_device = free_device_v1_hw,
1829         .prep_smp = prep_smp_v1_hw,
1830         .prep_ssp = prep_ssp_v1_hw,
1831         .get_free_slot = get_free_slot_v1_hw,
1832         .start_delivery = start_delivery_v1_hw,
1833         .slot_complete = slot_complete_v1_hw,
1834         .phy_enable = enable_phy_v1_hw,
1835         .phy_disable = disable_phy_v1_hw,
1836         .phy_hard_reset = phy_hard_reset_v1_hw,
1837         .get_wideport_bitmap = get_wideport_bitmap_v1_hw,
1838         .max_command_entries = HISI_SAS_COMMAND_ENTRIES_V1_HW,
1839         .complete_hdr_size = sizeof(struct hisi_sas_complete_v1_hdr),
1840 };
1841
1842 static int hisi_sas_v1_probe(struct platform_device *pdev)
1843 {
1844         return hisi_sas_probe(pdev, &hisi_sas_v1_hw);
1845 }
1846
1847 static int hisi_sas_v1_remove(struct platform_device *pdev)
1848 {
1849         return hisi_sas_remove(pdev);
1850 }
1851
1852 static const struct of_device_id sas_v1_of_match[] = {
1853         { .compatible = "hisilicon,hip05-sas-v1",},
1854         {},
1855 };
1856 MODULE_DEVICE_TABLE(of, sas_v1_of_match);
1857
1858 static const struct acpi_device_id sas_v1_acpi_match[] = {
1859         { "HISI0161", 0 },
1860         { }
1861 };
1862
1863 MODULE_DEVICE_TABLE(acpi, sas_v1_acpi_match);
1864
1865 static struct platform_driver hisi_sas_v1_driver = {
1866         .probe = hisi_sas_v1_probe,
1867         .remove = hisi_sas_v1_remove,
1868         .driver = {
1869                 .name = DRV_NAME,
1870                 .of_match_table = sas_v1_of_match,
1871                 .acpi_match_table = ACPI_PTR(sas_v1_acpi_match),
1872         },
1873 };
1874
1875 module_platform_driver(hisi_sas_v1_driver);
1876
1877 MODULE_LICENSE("GPL");
1878 MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
1879 MODULE_DESCRIPTION("HISILICON SAS controller v1 hw driver");
1880 MODULE_ALIAS("platform:" DRV_NAME);