GNU Linux-libre 5.19-rc6-gnu
[releases.git] / drivers / scsi / hisi_sas / hisi_sas_v1_hw.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) 2015 Linaro Ltd.
4  * Copyright (c) 2015 Hisilicon Limited.
5  */
6
7 #include "hisi_sas.h"
8 #define DRV_NAME "hisi_sas_v1_hw"
9
10 /* global registers need init*/
11 #define DLVRY_QUEUE_ENABLE              0x0
12 #define IOST_BASE_ADDR_LO               0x8
13 #define IOST_BASE_ADDR_HI               0xc
14 #define ITCT_BASE_ADDR_LO               0x10
15 #define ITCT_BASE_ADDR_HI               0x14
16 #define BROKEN_MSG_ADDR_LO              0x18
17 #define BROKEN_MSG_ADDR_HI              0x1c
18 #define PHY_CONTEXT                     0x20
19 #define PHY_STATE                       0x24
20 #define PHY_PORT_NUM_MA                 0x28
21 #define PORT_STATE                      0x2c
22 #define PHY_CONN_RATE                   0x30
23 #define HGC_TRANS_TASK_CNT_LIMIT        0x38
24 #define AXI_AHB_CLK_CFG                 0x3c
25 #define HGC_SAS_TXFAIL_RETRY_CTRL       0x84
26 #define HGC_GET_ITV_TIME                0x90
27 #define DEVICE_MSG_WORK_MODE            0x94
28 #define I_T_NEXUS_LOSS_TIME             0xa0
29 #define BUS_INACTIVE_LIMIT_TIME         0xa8
30 #define REJECT_TO_OPEN_LIMIT_TIME       0xac
31 #define CFG_AGING_TIME                  0xbc
32 #define CFG_AGING_TIME_ITCT_REL_OFF     0
33 #define CFG_AGING_TIME_ITCT_REL_MSK     (0x1 << CFG_AGING_TIME_ITCT_REL_OFF)
34 #define HGC_DFX_CFG2                    0xc0
35 #define FIS_LIST_BADDR_L                0xc4
36 #define CFG_1US_TIMER_TRSH              0xcc
37 #define CFG_SAS_CONFIG                  0xd4
38 #define HGC_IOST_ECC_ADDR               0x140
39 #define HGC_IOST_ECC_ADDR_BAD_OFF       16
40 #define HGC_IOST_ECC_ADDR_BAD_MSK       (0x3ff << HGC_IOST_ECC_ADDR_BAD_OFF)
41 #define HGC_DQ_ECC_ADDR                 0x144
42 #define HGC_DQ_ECC_ADDR_BAD_OFF         16
43 #define HGC_DQ_ECC_ADDR_BAD_MSK         (0xfff << HGC_DQ_ECC_ADDR_BAD_OFF)
44 #define HGC_INVLD_DQE_INFO              0x148
45 #define HGC_INVLD_DQE_INFO_DQ_OFF       0
46 #define HGC_INVLD_DQE_INFO_DQ_MSK       (0xffff << HGC_INVLD_DQE_INFO_DQ_OFF)
47 #define HGC_INVLD_DQE_INFO_TYPE_OFF     16
48 #define HGC_INVLD_DQE_INFO_TYPE_MSK     (0x1 << HGC_INVLD_DQE_INFO_TYPE_OFF)
49 #define HGC_INVLD_DQE_INFO_FORCE_OFF    17
50 #define HGC_INVLD_DQE_INFO_FORCE_MSK    (0x1 << HGC_INVLD_DQE_INFO_FORCE_OFF)
51 #define HGC_INVLD_DQE_INFO_PHY_OFF      18
52 #define HGC_INVLD_DQE_INFO_PHY_MSK      (0x1 << HGC_INVLD_DQE_INFO_PHY_OFF)
53 #define HGC_INVLD_DQE_INFO_ABORT_OFF    19
54 #define HGC_INVLD_DQE_INFO_ABORT_MSK    (0x1 << HGC_INVLD_DQE_INFO_ABORT_OFF)
55 #define HGC_INVLD_DQE_INFO_IPTT_OF_OFF  20
56 #define HGC_INVLD_DQE_INFO_IPTT_OF_MSK  (0x1 << HGC_INVLD_DQE_INFO_IPTT_OF_OFF)
57 #define HGC_INVLD_DQE_INFO_SSP_ERR_OFF  21
58 #define HGC_INVLD_DQE_INFO_SSP_ERR_MSK  (0x1 << HGC_INVLD_DQE_INFO_SSP_ERR_OFF)
59 #define HGC_INVLD_DQE_INFO_OFL_OFF      22
60 #define HGC_INVLD_DQE_INFO_OFL_MSK      (0x1 << HGC_INVLD_DQE_INFO_OFL_OFF)
61 #define HGC_ITCT_ECC_ADDR               0x150
62 #define HGC_ITCT_ECC_ADDR_BAD_OFF       16
63 #define HGC_ITCT_ECC_ADDR_BAD_MSK       (0x3ff << HGC_ITCT_ECC_ADDR_BAD_OFF)
64 #define HGC_AXI_FIFO_ERR_INFO           0x154
65 #define INT_COAL_EN                     0x1bc
66 #define OQ_INT_COAL_TIME                0x1c0
67 #define OQ_INT_COAL_CNT                 0x1c4
68 #define ENT_INT_COAL_TIME               0x1c8
69 #define ENT_INT_COAL_CNT                0x1cc
70 #define OQ_INT_SRC                      0x1d0
71 #define OQ_INT_SRC_MSK                  0x1d4
72 #define ENT_INT_SRC1                    0x1d8
73 #define ENT_INT_SRC2                    0x1dc
74 #define ENT_INT_SRC2_DQ_CFG_ERR_OFF     25
75 #define ENT_INT_SRC2_DQ_CFG_ERR_MSK     (0x1 << ENT_INT_SRC2_DQ_CFG_ERR_OFF)
76 #define ENT_INT_SRC2_CQ_CFG_ERR_OFF     27
77 #define ENT_INT_SRC2_CQ_CFG_ERR_MSK     (0x1 << ENT_INT_SRC2_CQ_CFG_ERR_OFF)
78 #define ENT_INT_SRC2_AXI_WRONG_INT_OFF  28
79 #define ENT_INT_SRC2_AXI_WRONG_INT_MSK  (0x1 << ENT_INT_SRC2_AXI_WRONG_INT_OFF)
80 #define ENT_INT_SRC2_AXI_OVERLF_INT_OFF 29
81 #define ENT_INT_SRC2_AXI_OVERLF_INT_MSK (0x1 << ENT_INT_SRC2_AXI_OVERLF_INT_OFF)
82 #define ENT_INT_SRC_MSK1                0x1e0
83 #define ENT_INT_SRC_MSK2                0x1e4
84 #define SAS_ECC_INTR                    0x1e8
85 #define SAS_ECC_INTR_DQ_ECC1B_OFF       0
86 #define SAS_ECC_INTR_DQ_ECC1B_MSK       (0x1 << SAS_ECC_INTR_DQ_ECC1B_OFF)
87 #define SAS_ECC_INTR_DQ_ECCBAD_OFF      1
88 #define SAS_ECC_INTR_DQ_ECCBAD_MSK      (0x1 << SAS_ECC_INTR_DQ_ECCBAD_OFF)
89 #define SAS_ECC_INTR_IOST_ECC1B_OFF     2
90 #define SAS_ECC_INTR_IOST_ECC1B_MSK     (0x1 << SAS_ECC_INTR_IOST_ECC1B_OFF)
91 #define SAS_ECC_INTR_IOST_ECCBAD_OFF    3
92 #define SAS_ECC_INTR_IOST_ECCBAD_MSK    (0x1 << SAS_ECC_INTR_IOST_ECCBAD_OFF)
93 #define SAS_ECC_INTR_ITCT_ECC1B_OFF     4
94 #define SAS_ECC_INTR_ITCT_ECC1B_MSK     (0x1 << SAS_ECC_INTR_ITCT_ECC1B_OFF)
95 #define SAS_ECC_INTR_ITCT_ECCBAD_OFF    5
96 #define SAS_ECC_INTR_ITCT_ECCBAD_MSK    (0x1 << SAS_ECC_INTR_ITCT_ECCBAD_OFF)
97 #define SAS_ECC_INTR_MSK                0x1ec
98 #define HGC_ERR_STAT_EN                 0x238
99 #define DLVRY_Q_0_BASE_ADDR_LO          0x260
100 #define DLVRY_Q_0_BASE_ADDR_HI          0x264
101 #define DLVRY_Q_0_DEPTH                 0x268
102 #define DLVRY_Q_0_WR_PTR                0x26c
103 #define DLVRY_Q_0_RD_PTR                0x270
104 #define COMPL_Q_0_BASE_ADDR_LO          0x4e0
105 #define COMPL_Q_0_BASE_ADDR_HI          0x4e4
106 #define COMPL_Q_0_DEPTH                 0x4e8
107 #define COMPL_Q_0_WR_PTR                0x4ec
108 #define COMPL_Q_0_RD_PTR                0x4f0
109 #define HGC_ECC_ERR                     0x7d0
110
111 /* phy registers need init */
112 #define PORT_BASE                       (0x800)
113
114 #define PHY_CFG                         (PORT_BASE + 0x0)
115 #define PHY_CFG_ENA_OFF                 0
116 #define PHY_CFG_ENA_MSK                 (0x1 << PHY_CFG_ENA_OFF)
117 #define PHY_CFG_DC_OPT_OFF              2
118 #define PHY_CFG_DC_OPT_MSK              (0x1 << PHY_CFG_DC_OPT_OFF)
119 #define PROG_PHY_LINK_RATE              (PORT_BASE + 0xc)
120 #define PROG_PHY_LINK_RATE_MAX_OFF      0
121 #define PROG_PHY_LINK_RATE_MAX_MSK      (0xf << PROG_PHY_LINK_RATE_MAX_OFF)
122 #define PROG_PHY_LINK_RATE_MIN_OFF      4
123 #define PROG_PHY_LINK_RATE_MIN_MSK      (0xf << PROG_PHY_LINK_RATE_MIN_OFF)
124 #define PROG_PHY_LINK_RATE_OOB_OFF      8
125 #define PROG_PHY_LINK_RATE_OOB_MSK      (0xf << PROG_PHY_LINK_RATE_OOB_OFF)
126 #define PHY_CTRL                        (PORT_BASE + 0x14)
127 #define PHY_CTRL_RESET_OFF              0
128 #define PHY_CTRL_RESET_MSK              (0x1 << PHY_CTRL_RESET_OFF)
129 #define PHY_RATE_NEGO                   (PORT_BASE + 0x30)
130 #define PHY_PCN                         (PORT_BASE + 0x44)
131 #define SL_TOUT_CFG                     (PORT_BASE + 0x8c)
132 #define SL_CONTROL                      (PORT_BASE + 0x94)
133 #define SL_CONTROL_NOTIFY_EN_OFF        0
134 #define SL_CONTROL_NOTIFY_EN_MSK        (0x1 << SL_CONTROL_NOTIFY_EN_OFF)
135 #define TX_ID_DWORD0                    (PORT_BASE + 0x9c)
136 #define TX_ID_DWORD1                    (PORT_BASE + 0xa0)
137 #define TX_ID_DWORD2                    (PORT_BASE + 0xa4)
138 #define TX_ID_DWORD3                    (PORT_BASE + 0xa8)
139 #define TX_ID_DWORD4                    (PORT_BASE + 0xaC)
140 #define TX_ID_DWORD5                    (PORT_BASE + 0xb0)
141 #define TX_ID_DWORD6                    (PORT_BASE + 0xb4)
142 #define RX_IDAF_DWORD0                  (PORT_BASE + 0xc4)
143 #define RX_IDAF_DWORD1                  (PORT_BASE + 0xc8)
144 #define RX_IDAF_DWORD2                  (PORT_BASE + 0xcc)
145 #define RX_IDAF_DWORD3                  (PORT_BASE + 0xd0)
146 #define RX_IDAF_DWORD4                  (PORT_BASE + 0xd4)
147 #define RX_IDAF_DWORD5                  (PORT_BASE + 0xd8)
148 #define RX_IDAF_DWORD6                  (PORT_BASE + 0xdc)
149 #define RXOP_CHECK_CFG_H                (PORT_BASE + 0xfc)
150 #define DONE_RECEIVED_TIME              (PORT_BASE + 0x12c)
151 #define CON_CFG_DRIVER                  (PORT_BASE + 0x130)
152 #define PHY_CONFIG2                     (PORT_BASE + 0x1a8)
153 #define PHY_CONFIG2_FORCE_TXDEEMPH_OFF  3
154 #define PHY_CONFIG2_FORCE_TXDEEMPH_MSK  (0x1 << PHY_CONFIG2_FORCE_TXDEEMPH_OFF)
155 #define PHY_CONFIG2_TX_TRAIN_COMP_OFF   24
156 #define PHY_CONFIG2_TX_TRAIN_COMP_MSK   (0x1 << PHY_CONFIG2_TX_TRAIN_COMP_OFF)
157 #define CHL_INT0                        (PORT_BASE + 0x1b0)
158 #define CHL_INT0_PHYCTRL_NOTRDY_OFF     0
159 #define CHL_INT0_PHYCTRL_NOTRDY_MSK     (0x1 << CHL_INT0_PHYCTRL_NOTRDY_OFF)
160 #define CHL_INT0_SN_FAIL_NGR_OFF        2
161 #define CHL_INT0_SN_FAIL_NGR_MSK        (0x1 << CHL_INT0_SN_FAIL_NGR_OFF)
162 #define CHL_INT0_DWS_LOST_OFF           4
163 #define CHL_INT0_DWS_LOST_MSK           (0x1 << CHL_INT0_DWS_LOST_OFF)
164 #define CHL_INT0_SL_IDAF_FAIL_OFF       10
165 #define CHL_INT0_SL_IDAF_FAIL_MSK       (0x1 << CHL_INT0_SL_IDAF_FAIL_OFF)
166 #define CHL_INT0_ID_TIMEOUT_OFF         11
167 #define CHL_INT0_ID_TIMEOUT_MSK         (0x1 << CHL_INT0_ID_TIMEOUT_OFF)
168 #define CHL_INT0_SL_OPAF_FAIL_OFF       12
169 #define CHL_INT0_SL_OPAF_FAIL_MSK       (0x1 << CHL_INT0_SL_OPAF_FAIL_OFF)
170 #define CHL_INT0_SL_PS_FAIL_OFF         21
171 #define CHL_INT0_SL_PS_FAIL_MSK         (0x1 << CHL_INT0_SL_PS_FAIL_OFF)
172 #define CHL_INT1                        (PORT_BASE + 0x1b4)
173 #define CHL_INT2                        (PORT_BASE + 0x1b8)
174 #define CHL_INT2_SL_RX_BC_ACK_OFF       2
175 #define CHL_INT2_SL_RX_BC_ACK_MSK       (0x1 << CHL_INT2_SL_RX_BC_ACK_OFF)
176 #define CHL_INT2_SL_PHY_ENA_OFF         6
177 #define CHL_INT2_SL_PHY_ENA_MSK         (0x1 << CHL_INT2_SL_PHY_ENA_OFF)
178 #define CHL_INT0_MSK                    (PORT_BASE + 0x1bc)
179 #define CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF 0
180 #define CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK (0x1 << CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF)
181 #define CHL_INT1_MSK                    (PORT_BASE + 0x1c0)
182 #define CHL_INT2_MSK                    (PORT_BASE + 0x1c4)
183 #define CHL_INT_COAL_EN                 (PORT_BASE + 0x1d0)
184 #define DMA_TX_STATUS                   (PORT_BASE + 0x2d0)
185 #define DMA_TX_STATUS_BUSY_OFF          0
186 #define DMA_TX_STATUS_BUSY_MSK          (0x1 << DMA_TX_STATUS_BUSY_OFF)
187 #define DMA_RX_STATUS                   (PORT_BASE + 0x2e8)
188 #define DMA_RX_STATUS_BUSY_OFF          0
189 #define DMA_RX_STATUS_BUSY_MSK          (0x1 << DMA_RX_STATUS_BUSY_OFF)
190
191 #define AXI_CFG                         0x5100
192 #define RESET_VALUE                     0x7ffff
193
194 /* HW dma structures */
195 /* Delivery queue header */
196 /* dw0 */
197 #define CMD_HDR_RESP_REPORT_OFF         5
198 #define CMD_HDR_RESP_REPORT_MSK         0x20
199 #define CMD_HDR_TLR_CTRL_OFF            6
200 #define CMD_HDR_TLR_CTRL_MSK            0xc0
201 #define CMD_HDR_PORT_OFF                17
202 #define CMD_HDR_PORT_MSK                0xe0000
203 #define CMD_HDR_PRIORITY_OFF            27
204 #define CMD_HDR_PRIORITY_MSK            0x8000000
205 #define CMD_HDR_MODE_OFF                28
206 #define CMD_HDR_MODE_MSK                0x10000000
207 #define CMD_HDR_CMD_OFF                 29
208 #define CMD_HDR_CMD_MSK                 0xe0000000
209 /* dw1 */
210 #define CMD_HDR_VERIFY_DTL_OFF          10
211 #define CMD_HDR_VERIFY_DTL_MSK          0x400
212 #define CMD_HDR_SSP_FRAME_TYPE_OFF      13
213 #define CMD_HDR_SSP_FRAME_TYPE_MSK      0xe000
214 #define CMD_HDR_DEVICE_ID_OFF           16
215 #define CMD_HDR_DEVICE_ID_MSK           0xffff0000
216 /* dw2 */
217 #define CMD_HDR_CFL_OFF                 0
218 #define CMD_HDR_CFL_MSK                 0x1ff
219 #define CMD_HDR_MRFL_OFF                15
220 #define CMD_HDR_MRFL_MSK                0xff8000
221 #define CMD_HDR_FIRST_BURST_OFF         25
222 #define CMD_HDR_FIRST_BURST_MSK         0x2000000
223 /* dw3 */
224 #define CMD_HDR_IPTT_OFF                0
225 #define CMD_HDR_IPTT_MSK                0xffff
226 /* dw6 */
227 #define CMD_HDR_DATA_SGL_LEN_OFF        16
228 #define CMD_HDR_DATA_SGL_LEN_MSK        0xffff0000
229
230 /* Completion header */
231 #define CMPLT_HDR_IPTT_OFF              0
232 #define CMPLT_HDR_IPTT_MSK              (0xffff << CMPLT_HDR_IPTT_OFF)
233 #define CMPLT_HDR_CMD_CMPLT_OFF         17
234 #define CMPLT_HDR_CMD_CMPLT_MSK         (0x1 << CMPLT_HDR_CMD_CMPLT_OFF)
235 #define CMPLT_HDR_ERR_RCRD_XFRD_OFF     18
236 #define CMPLT_HDR_ERR_RCRD_XFRD_MSK     (0x1 << CMPLT_HDR_ERR_RCRD_XFRD_OFF)
237 #define CMPLT_HDR_RSPNS_XFRD_OFF        19
238 #define CMPLT_HDR_RSPNS_XFRD_MSK        (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
239 #define CMPLT_HDR_IO_CFG_ERR_OFF        27
240 #define CMPLT_HDR_IO_CFG_ERR_MSK        (0x1 << CMPLT_HDR_IO_CFG_ERR_OFF)
241
242 /* ITCT header */
243 /* qw0 */
244 #define ITCT_HDR_DEV_TYPE_OFF           0
245 #define ITCT_HDR_DEV_TYPE_MSK           (0x3ULL << ITCT_HDR_DEV_TYPE_OFF)
246 #define ITCT_HDR_VALID_OFF              2
247 #define ITCT_HDR_VALID_MSK              (0x1ULL << ITCT_HDR_VALID_OFF)
248 #define ITCT_HDR_AWT_CONTROL_OFF        4
249 #define ITCT_HDR_AWT_CONTROL_MSK        (0x1ULL << ITCT_HDR_AWT_CONTROL_OFF)
250 #define ITCT_HDR_MAX_CONN_RATE_OFF      5
251 #define ITCT_HDR_MAX_CONN_RATE_MSK      (0xfULL << ITCT_HDR_MAX_CONN_RATE_OFF)
252 #define ITCT_HDR_VALID_LINK_NUM_OFF     9
253 #define ITCT_HDR_VALID_LINK_NUM_MSK     (0xfULL << ITCT_HDR_VALID_LINK_NUM_OFF)
254 #define ITCT_HDR_PORT_ID_OFF            13
255 #define ITCT_HDR_PORT_ID_MSK            (0x7ULL << ITCT_HDR_PORT_ID_OFF)
256 #define ITCT_HDR_SMP_TIMEOUT_OFF        16
257 #define ITCT_HDR_SMP_TIMEOUT_MSK        (0xffffULL << ITCT_HDR_SMP_TIMEOUT_OFF)
258 /* qw1 */
259 #define ITCT_HDR_MAX_SAS_ADDR_OFF       0
260 #define ITCT_HDR_MAX_SAS_ADDR_MSK       (0xffffffffffffffff << \
261                                         ITCT_HDR_MAX_SAS_ADDR_OFF)
262 /* qw2 */
263 #define ITCT_HDR_IT_NEXUS_LOSS_TL_OFF   0
264 #define ITCT_HDR_IT_NEXUS_LOSS_TL_MSK   (0xffffULL << \
265                                         ITCT_HDR_IT_NEXUS_LOSS_TL_OFF)
266 #define ITCT_HDR_BUS_INACTIVE_TL_OFF    16
267 #define ITCT_HDR_BUS_INACTIVE_TL_MSK    (0xffffULL << \
268                                         ITCT_HDR_BUS_INACTIVE_TL_OFF)
269 #define ITCT_HDR_MAX_CONN_TL_OFF        32
270 #define ITCT_HDR_MAX_CONN_TL_MSK        (0xffffULL << \
271                                         ITCT_HDR_MAX_CONN_TL_OFF)
272 #define ITCT_HDR_REJ_OPEN_TL_OFF        48
273 #define ITCT_HDR_REJ_OPEN_TL_MSK        (0xffffULL << \
274                                         ITCT_HDR_REJ_OPEN_TL_OFF)
275
276 /* Err record header */
277 #define ERR_HDR_DMA_TX_ERR_TYPE_OFF     0
278 #define ERR_HDR_DMA_TX_ERR_TYPE_MSK     (0xffff << ERR_HDR_DMA_TX_ERR_TYPE_OFF)
279 #define ERR_HDR_DMA_RX_ERR_TYPE_OFF     16
280 #define ERR_HDR_DMA_RX_ERR_TYPE_MSK     (0xffff << ERR_HDR_DMA_RX_ERR_TYPE_OFF)
281
282 struct hisi_sas_complete_v1_hdr {
283         __le32 data;
284 };
285
286 struct hisi_sas_err_record_v1 {
287         /* dw0 */
288         __le32 dma_err_type;
289
290         /* dw1 */
291         __le32 trans_tx_fail_type;
292
293         /* dw2 */
294         __le32 trans_rx_fail_type;
295
296         /* dw3 */
297         u32 rsvd;
298 };
299
300 enum {
301         HISI_SAS_PHY_BCAST_ACK = 0,
302         HISI_SAS_PHY_SL_PHY_ENABLED,
303         HISI_SAS_PHY_INT_ABNORMAL,
304         HISI_SAS_PHY_INT_NR
305 };
306
307 enum {
308         DMA_TX_ERR_BASE = 0x0,
309         DMA_RX_ERR_BASE = 0x100,
310         TRANS_TX_FAIL_BASE = 0x200,
311         TRANS_RX_FAIL_BASE = 0x300,
312
313         /* dma tx */
314         DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x0 */
315         DMA_TX_DIF_APP_ERR, /* 0x1 */
316         DMA_TX_DIF_RPP_ERR, /* 0x2 */
317         DMA_TX_AXI_BUS_ERR, /* 0x3 */
318         DMA_TX_DATA_SGL_OVERFLOW_ERR, /* 0x4 */
319         DMA_TX_DIF_SGL_OVERFLOW_ERR, /* 0x5 */
320         DMA_TX_UNEXP_XFER_RDY_ERR, /* 0x6 */
321         DMA_TX_XFER_RDY_OFFSET_ERR, /* 0x7 */
322         DMA_TX_DATA_UNDERFLOW_ERR, /* 0x8 */
323         DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR, /* 0x9 */
324
325         /* dma rx */
326         DMA_RX_BUFFER_ECC_ERR = DMA_RX_ERR_BASE, /* 0x100 */
327         DMA_RX_DIF_CRC_ERR, /* 0x101 */
328         DMA_RX_DIF_APP_ERR, /* 0x102 */
329         DMA_RX_DIF_RPP_ERR, /* 0x103 */
330         DMA_RX_RESP_BUFFER_OVERFLOW_ERR, /* 0x104 */
331         DMA_RX_AXI_BUS_ERR, /* 0x105 */
332         DMA_RX_DATA_SGL_OVERFLOW_ERR, /* 0x106 */
333         DMA_RX_DIF_SGL_OVERFLOW_ERR, /* 0x107 */
334         DMA_RX_DATA_OFFSET_ERR, /* 0x108 */
335         DMA_RX_UNEXP_RX_DATA_ERR, /* 0x109 */
336         DMA_RX_DATA_OVERFLOW_ERR, /* 0x10a */
337         DMA_RX_DATA_UNDERFLOW_ERR, /* 0x10b */
338         DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x10c */
339
340         /* trans tx */
341         TRANS_TX_RSVD0_ERR = TRANS_TX_FAIL_BASE, /* 0x200 */
342         TRANS_TX_PHY_NOT_ENABLE_ERR, /* 0x201 */
343         TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR, /* 0x202 */
344         TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR, /* 0x203 */
345         TRANS_TX_OPEN_REJCT_BY_OTHER_ERR, /* 0x204 */
346         TRANS_TX_RSVD1_ERR, /* 0x205 */
347         TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR, /* 0x206 */
348         TRANS_TX_OPEN_REJCT_STP_BUSY_ERR, /* 0x207 */
349         TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR, /* 0x208 */
350         TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR, /* 0x209 */
351         TRANS_TX_OPEN_REJCT_BAD_DEST_ERR, /* 0x20a */
352         TRANS_TX_OPEN_BREAK_RECEIVE_ERR, /* 0x20b */
353         TRANS_TX_LOW_PHY_POWER_ERR, /* 0x20c */
354         TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR, /* 0x20d */
355         TRANS_TX_OPEN_TIMEOUT_ERR, /* 0x20e */
356         TRANS_TX_OPEN_REJCT_NO_DEST_ERR, /* 0x20f */
357         TRANS_TX_OPEN_RETRY_ERR, /* 0x210 */
358         TRANS_TX_RSVD2_ERR, /* 0x211 */
359         TRANS_TX_BREAK_TIMEOUT_ERR, /* 0x212 */
360         TRANS_TX_BREAK_REQUEST_ERR, /* 0x213 */
361         TRANS_TX_BREAK_RECEIVE_ERR, /* 0x214 */
362         TRANS_TX_CLOSE_TIMEOUT_ERR, /* 0x215 */
363         TRANS_TX_CLOSE_NORMAL_ERR, /* 0x216 */
364         TRANS_TX_CLOSE_PHYRESET_ERR, /* 0x217 */
365         TRANS_TX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x218 */
366         TRANS_TX_WITH_CLOSE_COMINIT_ERR, /* 0x219 */
367         TRANS_TX_NAK_RECEIVE_ERR, /* 0x21a */
368         TRANS_TX_ACK_NAK_TIMEOUT_ERR, /* 0x21b */
369         TRANS_TX_CREDIT_TIMEOUT_ERR, /* 0x21c */
370         TRANS_TX_IPTT_CONFLICT_ERR, /* 0x21d */
371         TRANS_TX_TXFRM_TYPE_ERR, /* 0x21e */
372         TRANS_TX_TXSMP_LENGTH_ERR, /* 0x21f */
373
374         /* trans rx */
375         TRANS_RX_FRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x300 */
376         TRANS_RX_FRAME_DONE_ERR, /* 0x301 */
377         TRANS_RX_FRAME_ERRPRM_ERR, /* 0x302 */
378         TRANS_RX_FRAME_NO_CREDIT_ERR, /* 0x303 */
379         TRANS_RX_RSVD0_ERR, /* 0x304 */
380         TRANS_RX_FRAME_OVERRUN_ERR, /* 0x305 */
381         TRANS_RX_FRAME_NO_EOF_ERR, /* 0x306 */
382         TRANS_RX_LINK_BUF_OVERRUN_ERR, /* 0x307 */
383         TRANS_RX_BREAK_TIMEOUT_ERR, /* 0x308 */
384         TRANS_RX_BREAK_REQUEST_ERR, /* 0x309 */
385         TRANS_RX_BREAK_RECEIVE_ERR, /* 0x30a */
386         TRANS_RX_CLOSE_TIMEOUT_ERR, /* 0x30b */
387         TRANS_RX_CLOSE_NORMAL_ERR, /* 0x30c */
388         TRANS_RX_CLOSE_PHYRESET_ERR, /* 0x30d */
389         TRANS_RX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x30e */
390         TRANS_RX_WITH_CLOSE_COMINIT_ERR, /* 0x30f */
391         TRANS_RX_DATA_LENGTH0_ERR, /* 0x310 */
392         TRANS_RX_BAD_HASH_ERR, /* 0x311 */
393         TRANS_RX_XRDY_ZERO_ERR, /* 0x312 */
394         TRANS_RX_SSP_FRAME_LEN_ERR, /* 0x313 */
395         TRANS_RX_TRANS_RX_RSVD1_ERR, /* 0x314 */
396         TRANS_RX_NO_BALANCE_ERR, /* 0x315 */
397         TRANS_RX_TRANS_RX_RSVD2_ERR, /* 0x316 */
398         TRANS_RX_TRANS_RX_RSVD3_ERR, /* 0x317 */
399         TRANS_RX_BAD_FRAME_TYPE_ERR, /* 0x318 */
400         TRANS_RX_SMP_FRAME_LEN_ERR, /* 0x319 */
401         TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x31a */
402 };
403
404 #define HISI_SAS_PHY_MAX_INT_NR (HISI_SAS_PHY_INT_NR * HISI_SAS_MAX_PHYS)
405 #define HISI_SAS_CQ_MAX_INT_NR (HISI_SAS_MAX_QUEUES)
406 #define HISI_SAS_FATAL_INT_NR (2)
407
408 #define HISI_SAS_MAX_INT_NR \
409         (HISI_SAS_PHY_MAX_INT_NR + HISI_SAS_CQ_MAX_INT_NR +\
410         HISI_SAS_FATAL_INT_NR)
411
412 static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
413 {
414         void __iomem *regs = hisi_hba->regs + off;
415
416         return readl(regs);
417 }
418
419 static void hisi_sas_write32(struct hisi_hba *hisi_hba,
420                                     u32 off, u32 val)
421 {
422         void __iomem *regs = hisi_hba->regs + off;
423
424         writel(val, regs);
425 }
426
427 static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba,
428                                         int phy_no, u32 off, u32 val)
429 {
430         void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
431
432         writel(val, regs);
433 }
434
435 static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
436                                       int phy_no, u32 off)
437 {
438         void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
439
440         return readl(regs);
441 }
442
443 static void config_phy_opt_mode_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
444 {
445         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
446
447         cfg &= ~PHY_CFG_DC_OPT_MSK;
448         cfg |= 1 << PHY_CFG_DC_OPT_OFF;
449         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
450 }
451
452 static void config_tx_tfe_autoneg_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
453 {
454         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CONFIG2);
455
456         cfg &= ~PHY_CONFIG2_FORCE_TXDEEMPH_MSK;
457         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CONFIG2, cfg);
458 }
459
460 static void config_id_frame_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
461 {
462         struct sas_identify_frame identify_frame;
463         u32 *identify_buffer;
464
465         memset(&identify_frame, 0, sizeof(identify_frame));
466         identify_frame.dev_type = SAS_END_DEVICE;
467         identify_frame.frame_type = 0;
468         identify_frame._un1 = 1;
469         identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
470         identify_frame.target_bits = SAS_PROTOCOL_NONE;
471         memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
472         memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
473         identify_frame.phy_id = phy_no;
474         identify_buffer = (u32 *)(&identify_frame);
475
476         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
477                         __swab32(identify_buffer[0]));
478         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
479                         __swab32(identify_buffer[1]));
480         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
481                         __swab32(identify_buffer[2]));
482         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
483                         __swab32(identify_buffer[3]));
484         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
485                         __swab32(identify_buffer[4]));
486         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
487                         __swab32(identify_buffer[5]));
488 }
489
490 static void setup_itct_v1_hw(struct hisi_hba *hisi_hba,
491                              struct hisi_sas_device *sas_dev)
492 {
493         struct domain_device *device = sas_dev->sas_device;
494         struct device *dev = hisi_hba->dev;
495         u64 qw0, device_id = sas_dev->device_id;
496         struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
497         struct asd_sas_port *sas_port = device->port;
498         struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
499         u64 sas_addr;
500
501         memset(itct, 0, sizeof(*itct));
502
503         /* qw0 */
504         qw0 = 0;
505         switch (sas_dev->dev_type) {
506         case SAS_END_DEVICE:
507         case SAS_EDGE_EXPANDER_DEVICE:
508         case SAS_FANOUT_EXPANDER_DEVICE:
509                 qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
510                 break;
511         default:
512                 dev_warn(dev, "setup itct: unsupported dev type (%d)\n",
513                          sas_dev->dev_type);
514         }
515
516         qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
517                 (1 << ITCT_HDR_AWT_CONTROL_OFF) |
518                 (device->max_linkrate << ITCT_HDR_MAX_CONN_RATE_OFF) |
519                 (1 << ITCT_HDR_VALID_LINK_NUM_OFF) |
520                 (port->id << ITCT_HDR_PORT_ID_OFF));
521         itct->qw0 = cpu_to_le64(qw0);
522
523         /* qw1 */
524         memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
525         itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
526
527         /* qw2 */
528         itct->qw2 = cpu_to_le64((500ULL << ITCT_HDR_IT_NEXUS_LOSS_TL_OFF) |
529                                 (0xff00ULL << ITCT_HDR_BUS_INACTIVE_TL_OFF) |
530                                 (0xff00ULL << ITCT_HDR_MAX_CONN_TL_OFF) |
531                                 (0xff00ULL << ITCT_HDR_REJ_OPEN_TL_OFF));
532 }
533
534 static int clear_itct_v1_hw(struct hisi_hba *hisi_hba,
535                             struct hisi_sas_device *sas_dev)
536 {
537         u64 dev_id = sas_dev->device_id;
538         struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
539         u64 qw0;
540         u32 reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
541
542         reg_val |= CFG_AGING_TIME_ITCT_REL_MSK;
543         hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val);
544
545         /* free itct */
546         udelay(1);
547         reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
548         reg_val &= ~CFG_AGING_TIME_ITCT_REL_MSK;
549         hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val);
550
551         qw0 = le64_to_cpu(itct->qw0);
552         qw0 &= ~ITCT_HDR_VALID_MSK;
553         itct->qw0 = cpu_to_le64(qw0);
554
555         return 0;
556 }
557
558 static int reset_hw_v1_hw(struct hisi_hba *hisi_hba)
559 {
560         int i;
561         unsigned long end_time;
562         u32 val;
563         struct device *dev = hisi_hba->dev;
564
565         for (i = 0; i < hisi_hba->n_phy; i++) {
566                 u32 phy_ctrl = hisi_sas_phy_read32(hisi_hba, i, PHY_CTRL);
567
568                 phy_ctrl |= PHY_CTRL_RESET_MSK;
569                 hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, phy_ctrl);
570         }
571         msleep(1); /* It is safe to wait for 50us */
572
573         /* Ensure DMA tx & rx idle */
574         for (i = 0; i < hisi_hba->n_phy; i++) {
575                 u32 dma_tx_status, dma_rx_status;
576
577                 end_time = jiffies + msecs_to_jiffies(1000);
578
579                 while (1) {
580                         dma_tx_status = hisi_sas_phy_read32(hisi_hba, i,
581                                                             DMA_TX_STATUS);
582                         dma_rx_status = hisi_sas_phy_read32(hisi_hba, i,
583                                                             DMA_RX_STATUS);
584
585                         if (!(dma_tx_status & DMA_TX_STATUS_BUSY_MSK) &&
586                                 !(dma_rx_status & DMA_RX_STATUS_BUSY_MSK))
587                                 break;
588
589                         msleep(20);
590                         if (time_after(jiffies, end_time))
591                                 return -EIO;
592                 }
593         }
594
595         /* Ensure axi bus idle */
596         end_time = jiffies + msecs_to_jiffies(1000);
597         while (1) {
598                 u32 axi_status =
599                         hisi_sas_read32(hisi_hba, AXI_CFG);
600
601                 if (axi_status == 0)
602                         break;
603
604                 msleep(20);
605                 if (time_after(jiffies, end_time))
606                         return -EIO;
607         }
608
609         if (ACPI_HANDLE(dev)) {
610                 acpi_status s;
611
612                 s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
613                 if (ACPI_FAILURE(s)) {
614                         dev_err(dev, "Reset failed\n");
615                         return -EIO;
616                 }
617         } else if (hisi_hba->ctrl) {
618                 /* Apply reset and disable clock */
619                 /* clk disable reg is offset by +4 bytes from clk enable reg */
620                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
621                              RESET_VALUE);
622                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4,
623                              RESET_VALUE);
624                 msleep(1);
625                 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
626                 if (RESET_VALUE != (val & RESET_VALUE)) {
627                         dev_err(dev, "Reset failed\n");
628                         return -EIO;
629                 }
630
631                 /* De-reset and enable clock */
632                 /* deassert rst reg is offset by +4 bytes from assert reg */
633                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4,
634                              RESET_VALUE);
635                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg,
636                              RESET_VALUE);
637                 msleep(1);
638                 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
639                 if (val & RESET_VALUE) {
640                         dev_err(dev, "De-reset failed\n");
641                         return -EIO;
642                 }
643         } else {
644                 dev_warn(dev, "no reset method\n");
645                 return -EINVAL;
646         }
647
648         return 0;
649 }
650
651 static void init_reg_v1_hw(struct hisi_hba *hisi_hba)
652 {
653         int i;
654
655         /* Global registers init*/
656         hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
657                          (u32)((1ULL << hisi_hba->queue_count) - 1));
658         hisi_sas_write32(hisi_hba, HGC_TRANS_TASK_CNT_LIMIT, 0x11);
659         hisi_sas_write32(hisi_hba, DEVICE_MSG_WORK_MODE, 0x1);
660         hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x1ff);
661         hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x401);
662         hisi_sas_write32(hisi_hba, CFG_1US_TIMER_TRSH, 0x64);
663         hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1);
664         hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x64);
665         hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, 0x2710);
666         hisi_sas_write32(hisi_hba, REJECT_TO_OPEN_LIMIT_TIME, 0x1);
667         hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x7a12);
668         hisi_sas_write32(hisi_hba, HGC_DFX_CFG2, 0x9c40);
669         hisi_sas_write32(hisi_hba, FIS_LIST_BADDR_L, 0x2);
670         hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc);
671         hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x186a0);
672         hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 1);
673         hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1);
674         hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1);
675         hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffffffff);
676         hisi_sas_write32(hisi_hba, OQ_INT_SRC_MSK, 0);
677         hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
678         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0);
679         hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
680         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0);
681         hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0);
682         hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 0x2);
683         hisi_sas_write32(hisi_hba, CFG_SAS_CONFIG, 0x22000000);
684
685         for (i = 0; i < hisi_hba->n_phy; i++) {
686                 hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE, 0x88a);
687                 hisi_sas_phy_write32(hisi_hba, i, PHY_CONFIG2, 0x7c080);
688                 hisi_sas_phy_write32(hisi_hba, i, PHY_RATE_NEGO, 0x415ee00);
689                 hisi_sas_phy_write32(hisi_hba, i, PHY_PCN, 0x80a80000);
690                 hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d);
691                 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x0);
692                 hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
693                 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0);
694                 hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x13f0a);
695                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT_COAL_EN, 3);
696                 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 8);
697         }
698
699         for (i = 0; i < hisi_hba->queue_count; i++) {
700                 /* Delivery queue */
701                 hisi_sas_write32(hisi_hba,
702                                  DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
703                                  upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
704
705                 hisi_sas_write32(hisi_hba,
706                                  DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
707                                  lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
708
709                 hisi_sas_write32(hisi_hba,
710                                  DLVRY_Q_0_DEPTH + (i * 0x14),
711                                  HISI_SAS_QUEUE_SLOTS);
712
713                 /* Completion queue */
714                 hisi_sas_write32(hisi_hba,
715                                  COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
716                                  upper_32_bits(hisi_hba->complete_hdr_dma[i]));
717
718                 hisi_sas_write32(hisi_hba,
719                                  COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
720                                  lower_32_bits(hisi_hba->complete_hdr_dma[i]));
721
722                 hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
723                                  HISI_SAS_QUEUE_SLOTS);
724         }
725
726         /* itct */
727         hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
728                          lower_32_bits(hisi_hba->itct_dma));
729
730         hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
731                          upper_32_bits(hisi_hba->itct_dma));
732
733         /* iost */
734         hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
735                          lower_32_bits(hisi_hba->iost_dma));
736
737         hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
738                          upper_32_bits(hisi_hba->iost_dma));
739
740         /* breakpoint */
741         hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_LO,
742                          lower_32_bits(hisi_hba->breakpoint_dma));
743
744         hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_HI,
745                          upper_32_bits(hisi_hba->breakpoint_dma));
746 }
747
748 static int hw_init_v1_hw(struct hisi_hba *hisi_hba)
749 {
750         struct device *dev = hisi_hba->dev;
751         int rc;
752
753         rc = reset_hw_v1_hw(hisi_hba);
754         if (rc) {
755                 dev_err(dev, "hisi_sas_reset_hw failed, rc=%d\n", rc);
756                 return rc;
757         }
758
759         msleep(100);
760         init_reg_v1_hw(hisi_hba);
761
762         return 0;
763 }
764
765 static void enable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
766 {
767         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
768
769         cfg |= PHY_CFG_ENA_MSK;
770         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
771 }
772
773 static void disable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
774 {
775         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
776
777         cfg &= ~PHY_CFG_ENA_MSK;
778         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
779 }
780
781 static void start_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
782 {
783         config_id_frame_v1_hw(hisi_hba, phy_no);
784         config_phy_opt_mode_v1_hw(hisi_hba, phy_no);
785         config_tx_tfe_autoneg_v1_hw(hisi_hba, phy_no);
786         enable_phy_v1_hw(hisi_hba, phy_no);
787 }
788
789 static void phy_hard_reset_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
790 {
791         hisi_sas_phy_enable(hisi_hba, phy_no, 0);
792         msleep(100);
793         hisi_sas_phy_enable(hisi_hba, phy_no, 1);
794 }
795
796 static void start_phys_v1_hw(struct timer_list *t)
797 {
798         struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer);
799         int i;
800
801         for (i = 0; i < hisi_hba->n_phy; i++) {
802                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x12a);
803                 hisi_sas_phy_enable(hisi_hba, i, 1);
804         }
805 }
806
807 static void phys_init_v1_hw(struct hisi_hba *hisi_hba)
808 {
809         int i;
810         struct timer_list *timer = &hisi_hba->timer;
811
812         for (i = 0; i < hisi_hba->n_phy; i++) {
813                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x6a);
814                 hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK);
815         }
816
817         timer_setup(timer, start_phys_v1_hw, 0);
818         mod_timer(timer, jiffies + HZ);
819 }
820
821 static void sl_notify_ssp_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
822 {
823         u32 sl_control;
824
825         sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
826         sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
827         hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
828         msleep(1);
829         sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
830         sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
831         hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
832 }
833
834 static enum sas_linkrate phy_get_max_linkrate_v1_hw(void)
835 {
836         return SAS_LINK_RATE_6_0_GBPS;
837 }
838
839 static void phy_set_linkrate_v1_hw(struct hisi_hba *hisi_hba, int phy_no,
840                 struct sas_phy_linkrates *r)
841 {
842         enum sas_linkrate max = r->maximum_linkrate;
843         u32 prog_phy_link_rate = 0x800;
844
845         prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
846         hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
847                              prog_phy_link_rate);
848 }
849
850 static int get_wideport_bitmap_v1_hw(struct hisi_hba *hisi_hba, int port_id)
851 {
852         int i, bitmap = 0;
853         u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
854
855         for (i = 0; i < hisi_hba->n_phy; i++)
856                 if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
857                         bitmap |= 1 << i;
858
859         return bitmap;
860 }
861
862 /* DQ lock must be taken here */
863 static void start_delivery_v1_hw(struct hisi_sas_dq *dq)
864 {
865         struct hisi_hba *hisi_hba = dq->hisi_hba;
866         struct hisi_sas_slot *s, *s1, *s2 = NULL;
867         int dlvry_queue = dq->id;
868         int wp;
869
870         list_for_each_entry_safe(s, s1, &dq->list, delivery) {
871                 if (!s->ready)
872                         break;
873                 s2 = s;
874                 list_del(&s->delivery);
875         }
876
877         if (!s2)
878                 return;
879
880         /*
881          * Ensure that memories for slots built on other CPUs is observed.
882          */
883         smp_rmb();
884         wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
885
886         hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
887 }
888
889 static void prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba,
890                               struct hisi_sas_slot *slot,
891                               struct hisi_sas_cmd_hdr *hdr,
892                               struct scatterlist *scatter,
893                               int n_elem)
894 {
895         struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
896         struct scatterlist *sg;
897         int i;
898
899         for_each_sg(scatter, sg, n_elem, i) {
900                 struct hisi_sas_sge *entry = &sge_page->sge[i];
901
902                 entry->addr = cpu_to_le64(sg_dma_address(sg));
903                 entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
904                 entry->data_len = cpu_to_le32(sg_dma_len(sg));
905                 entry->data_off = 0;
906         }
907
908         hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
909
910         hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
911 }
912
913 static void prep_smp_v1_hw(struct hisi_hba *hisi_hba,
914                           struct hisi_sas_slot *slot)
915 {
916         struct sas_task *task = slot->task;
917         struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
918         struct domain_device *device = task->dev;
919         struct hisi_sas_port *port = slot->port;
920         struct scatterlist *sg_req;
921         struct hisi_sas_device *sas_dev = device->lldd_dev;
922         dma_addr_t req_dma_addr;
923         unsigned int req_len;
924
925         /* req */
926         sg_req = &task->smp_task.smp_req;
927         req_len = sg_dma_len(sg_req);
928         req_dma_addr = sg_dma_address(sg_req);
929
930         /* create header */
931         /* dw0 */
932         hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
933                                (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
934                                (1 << CMD_HDR_MODE_OFF) | /* ini mode */
935                                (2 << CMD_HDR_CMD_OFF)); /* smp */
936
937         /* map itct entry */
938         hdr->dw1 = cpu_to_le32(sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF);
939
940         /* dw2 */
941         hdr->dw2 = cpu_to_le32((((req_len-4)/4) << CMD_HDR_CFL_OFF) |
942                                (HISI_SAS_MAX_SMP_RESP_SZ/4 <<
943                                CMD_HDR_MRFL_OFF));
944
945         hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
946
947         hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
948         hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
949 }
950
951 static void prep_ssp_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 hisi_sas_device *sas_dev = device->lldd_dev;
958         struct hisi_sas_port *port = slot->port;
959         struct sas_ssp_task *ssp_task = &task->ssp_task;
960         struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
961         struct sas_tmf_task *tmf = slot->tmf;
962         int has_data = 0, priority = !!tmf;
963         u8 *buf_cmd, fburst = 0;
964         u32 dw1, dw2;
965
966         /* create header */
967         hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
968                                (0x2 << CMD_HDR_TLR_CTRL_OFF) |
969                                (port->id << CMD_HDR_PORT_OFF) |
970                                (priority << CMD_HDR_PRIORITY_OFF) |
971                                (1 << CMD_HDR_MODE_OFF) | /* ini mode */
972                                (1 << CMD_HDR_CMD_OFF)); /* ssp */
973
974         dw1 = 1 << CMD_HDR_VERIFY_DTL_OFF;
975
976         if (tmf) {
977                 dw1 |= 3 << CMD_HDR_SSP_FRAME_TYPE_OFF;
978         } else {
979                 switch (scsi_cmnd->sc_data_direction) {
980                 case DMA_TO_DEVICE:
981                         dw1 |= 2 << CMD_HDR_SSP_FRAME_TYPE_OFF;
982                         has_data = 1;
983                         break;
984                 case DMA_FROM_DEVICE:
985                         dw1 |= 1 << CMD_HDR_SSP_FRAME_TYPE_OFF;
986                         has_data = 1;
987                         break;
988                 default:
989                         dw1 |= 0 << CMD_HDR_SSP_FRAME_TYPE_OFF;
990                 }
991         }
992
993         /* map itct entry */
994         dw1 |= sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF;
995         hdr->dw1 = cpu_to_le32(dw1);
996
997         if (tmf) {
998                 dw2 = ((sizeof(struct ssp_tmf_iu) +
999                         sizeof(struct ssp_frame_hdr)+3)/4) <<
1000                         CMD_HDR_CFL_OFF;
1001         } else {
1002                 dw2 = ((sizeof(struct ssp_command_iu) +
1003                         sizeof(struct ssp_frame_hdr)+3)/4) <<
1004                         CMD_HDR_CFL_OFF;
1005         }
1006
1007         dw2 |= (HISI_SAS_MAX_SSP_RESP_SZ/4) << CMD_HDR_MRFL_OFF;
1008
1009         hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
1010
1011         if (has_data)
1012                 prep_prd_sge_v1_hw(hisi_hba, slot, hdr, task->scatter,
1013                                         slot->n_elem);
1014
1015         hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
1016         hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
1017         hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
1018
1019         buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
1020                 sizeof(struct ssp_frame_hdr);
1021         if (task->ssp_task.enable_first_burst) {
1022                 fburst = (1 << 7);
1023                 dw2 |= 1 << CMD_HDR_FIRST_BURST_OFF;
1024         }
1025         hdr->dw2 = cpu_to_le32(dw2);
1026
1027         memcpy(buf_cmd, &task->ssp_task.LUN, 8);
1028         if (!tmf) {
1029                 buf_cmd[9] = fburst | task->ssp_task.task_attr |
1030                                 (task->ssp_task.task_prio << 3);
1031                 memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd,
1032                                 task->ssp_task.cmd->cmd_len);
1033         } else {
1034                 buf_cmd[10] = tmf->tmf;
1035                 switch (tmf->tmf) {
1036                 case TMF_ABORT_TASK:
1037                 case TMF_QUERY_TASK:
1038                         buf_cmd[12] =
1039                                 (tmf->tag_of_task_to_be_managed >> 8) & 0xff;
1040                         buf_cmd[13] =
1041                                 tmf->tag_of_task_to_be_managed & 0xff;
1042                         break;
1043                 default:
1044                         break;
1045                 }
1046         }
1047 }
1048
1049 /* by default, task resp is complete */
1050 static void slot_err_v1_hw(struct hisi_hba *hisi_hba,
1051                            struct sas_task *task,
1052                            struct hisi_sas_slot *slot)
1053 {
1054         struct task_status_struct *ts = &task->task_status;
1055         struct hisi_sas_err_record_v1 *err_record =
1056                         hisi_sas_status_buf_addr_mem(slot);
1057         struct device *dev = hisi_hba->dev;
1058
1059         switch (task->task_proto) {
1060         case SAS_PROTOCOL_SSP:
1061         {
1062                 int error = -1;
1063                 u32 dma_err_type = le32_to_cpu(err_record->dma_err_type);
1064                 u32 dma_tx_err_type = ((dma_err_type &
1065                                         ERR_HDR_DMA_TX_ERR_TYPE_MSK)) >>
1066                                         ERR_HDR_DMA_TX_ERR_TYPE_OFF;
1067                 u32 dma_rx_err_type = ((dma_err_type &
1068                                         ERR_HDR_DMA_RX_ERR_TYPE_MSK)) >>
1069                                         ERR_HDR_DMA_RX_ERR_TYPE_OFF;
1070                 u32 trans_tx_fail_type =
1071                                 le32_to_cpu(err_record->trans_tx_fail_type);
1072                 u32 trans_rx_fail_type =
1073                                 le32_to_cpu(err_record->trans_rx_fail_type);
1074
1075                 if (dma_tx_err_type) {
1076                         /* dma tx err */
1077                         error = ffs(dma_tx_err_type)
1078                                 - 1 + DMA_TX_ERR_BASE;
1079                 } else if (dma_rx_err_type) {
1080                         /* dma rx err */
1081                         error = ffs(dma_rx_err_type)
1082                                 - 1 + DMA_RX_ERR_BASE;
1083                 } else if (trans_tx_fail_type) {
1084                         /* trans tx err */
1085                         error = ffs(trans_tx_fail_type)
1086                                 - 1 + TRANS_TX_FAIL_BASE;
1087                 } else if (trans_rx_fail_type) {
1088                         /* trans rx err */
1089                         error = ffs(trans_rx_fail_type)
1090                                 - 1 + TRANS_RX_FAIL_BASE;
1091                 }
1092
1093                 switch (error) {
1094                 case DMA_TX_DATA_UNDERFLOW_ERR:
1095                 case DMA_RX_DATA_UNDERFLOW_ERR:
1096                 {
1097                         ts->residual = 0;
1098                         ts->stat = SAS_DATA_UNDERRUN;
1099                         break;
1100                 }
1101                 case DMA_TX_DATA_SGL_OVERFLOW_ERR:
1102                 case DMA_TX_DIF_SGL_OVERFLOW_ERR:
1103                 case DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR:
1104                 case DMA_RX_DATA_OVERFLOW_ERR:
1105                 case TRANS_RX_FRAME_OVERRUN_ERR:
1106                 case TRANS_RX_LINK_BUF_OVERRUN_ERR:
1107                 {
1108                         ts->stat = SAS_DATA_OVERRUN;
1109                         ts->residual = 0;
1110                         break;
1111                 }
1112                 case TRANS_TX_PHY_NOT_ENABLE_ERR:
1113                 {
1114                         ts->stat = SAS_PHY_DOWN;
1115                         break;
1116                 }
1117                 case TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR:
1118                 case TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR:
1119                 case TRANS_TX_OPEN_REJCT_BY_OTHER_ERR:
1120                 case TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR:
1121                 case TRANS_TX_OPEN_REJCT_STP_BUSY_ERR:
1122                 case TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR:
1123                 case TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR:
1124                 case TRANS_TX_OPEN_REJCT_BAD_DEST_ERR:
1125                 case TRANS_TX_OPEN_BREAK_RECEIVE_ERR:
1126                 case TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR:
1127                 case TRANS_TX_OPEN_REJCT_NO_DEST_ERR:
1128                 case TRANS_TX_OPEN_RETRY_ERR:
1129                 {
1130                         ts->stat = SAS_OPEN_REJECT;
1131                         ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1132                         break;
1133                 }
1134                 case TRANS_TX_OPEN_TIMEOUT_ERR:
1135                 {
1136                         ts->stat = SAS_OPEN_TO;
1137                         break;
1138                 }
1139                 case TRANS_TX_NAK_RECEIVE_ERR:
1140                 case TRANS_TX_ACK_NAK_TIMEOUT_ERR:
1141                 {
1142                         ts->stat = SAS_NAK_R_ERR;
1143                         break;
1144                 }
1145                 case TRANS_TX_CREDIT_TIMEOUT_ERR:
1146                 case TRANS_TX_CLOSE_NORMAL_ERR:
1147                 {
1148                         /* This will request a retry */
1149                         ts->stat = SAS_QUEUE_FULL;
1150                         slot->abort = 1;
1151                         break;
1152                 }
1153                 default:
1154                 {
1155                         ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
1156                         break;
1157                 }
1158                 }
1159         }
1160                 break;
1161         case SAS_PROTOCOL_SMP:
1162                 ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
1163                 break;
1164
1165         case SAS_PROTOCOL_SATA:
1166         case SAS_PROTOCOL_STP:
1167         case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1168         {
1169                 dev_err(dev, "slot err: SATA/STP not supported\n");
1170         }
1171                 break;
1172         default:
1173                 break;
1174         }
1175
1176 }
1177
1178 static void slot_complete_v1_hw(struct hisi_hba *hisi_hba,
1179                                 struct hisi_sas_slot *slot)
1180 {
1181         struct sas_task *task = slot->task;
1182         struct hisi_sas_device *sas_dev;
1183         struct device *dev = hisi_hba->dev;
1184         struct task_status_struct *ts;
1185         struct domain_device *device;
1186         struct hisi_sas_complete_v1_hdr *complete_queue =
1187                         hisi_hba->complete_hdr[slot->cmplt_queue];
1188         struct hisi_sas_complete_v1_hdr *complete_hdr;
1189         unsigned long flags;
1190         u32 cmplt_hdr_data;
1191
1192         complete_hdr = &complete_queue[slot->cmplt_queue_slot];
1193         cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
1194
1195         if (unlikely(!task || !task->lldd_task || !task->dev))
1196                 return;
1197
1198         ts = &task->task_status;
1199         device = task->dev;
1200         sas_dev = device->lldd_dev;
1201
1202         spin_lock_irqsave(&task->task_state_lock, flags);
1203         task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1204         task->task_state_flags |= SAS_TASK_STATE_DONE;
1205         spin_unlock_irqrestore(&task->task_state_lock, flags);
1206
1207         memset(ts, 0, sizeof(*ts));
1208         ts->resp = SAS_TASK_COMPLETE;
1209
1210         if (unlikely(!sas_dev)) {
1211                 dev_dbg(dev, "slot complete: port has no device\n");
1212                 ts->stat = SAS_PHY_DOWN;
1213                 goto out;
1214         }
1215
1216         if (cmplt_hdr_data & CMPLT_HDR_IO_CFG_ERR_MSK) {
1217                 u32 info_reg = hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO);
1218
1219                 if (info_reg & HGC_INVLD_DQE_INFO_DQ_MSK)
1220                         dev_err(dev, "slot complete: [%d:%d] has dq IPTT err\n",
1221                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1222
1223                 if (info_reg & HGC_INVLD_DQE_INFO_TYPE_MSK)
1224                         dev_err(dev, "slot complete: [%d:%d] has dq type err\n",
1225                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1226
1227                 if (info_reg & HGC_INVLD_DQE_INFO_FORCE_MSK)
1228                         dev_err(dev, "slot complete: [%d:%d] has dq force phy err\n",
1229                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1230
1231                 if (info_reg & HGC_INVLD_DQE_INFO_PHY_MSK)
1232                         dev_err(dev, "slot complete: [%d:%d] has dq phy id err\n",
1233                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1234
1235                 if (info_reg & HGC_INVLD_DQE_INFO_ABORT_MSK)
1236                         dev_err(dev, "slot complete: [%d:%d] has dq abort flag err\n",
1237                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1238
1239                 if (info_reg & HGC_INVLD_DQE_INFO_IPTT_OF_MSK)
1240                         dev_err(dev, "slot complete: [%d:%d] has dq IPTT or ICT err\n",
1241                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1242
1243                 if (info_reg & HGC_INVLD_DQE_INFO_SSP_ERR_MSK)
1244                         dev_err(dev, "slot complete: [%d:%d] has dq SSP frame type err\n",
1245                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1246
1247                 if (info_reg & HGC_INVLD_DQE_INFO_OFL_MSK)
1248                         dev_err(dev, "slot complete: [%d:%d] has dq order frame len err\n",
1249                                 slot->cmplt_queue, slot->cmplt_queue_slot);
1250
1251                 ts->stat = SAS_OPEN_REJECT;
1252                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1253                 goto out;
1254         }
1255
1256         if (cmplt_hdr_data & CMPLT_HDR_ERR_RCRD_XFRD_MSK &&
1257                 !(cmplt_hdr_data & CMPLT_HDR_RSPNS_XFRD_MSK)) {
1258
1259                 slot_err_v1_hw(hisi_hba, task, slot);
1260                 if (unlikely(slot->abort)) {
1261                         sas_task_abort(task);
1262                         return;
1263                 }
1264                 goto out;
1265         }
1266
1267         switch (task->task_proto) {
1268         case SAS_PROTOCOL_SSP:
1269         {
1270                 struct hisi_sas_status_buffer *status_buffer =
1271                                 hisi_sas_status_buf_addr_mem(slot);
1272                 struct ssp_response_iu *iu = (struct ssp_response_iu *)
1273                                 &status_buffer->iu[0];
1274
1275                 sas_ssp_task_response(dev, task, iu);
1276                 break;
1277         }
1278         case SAS_PROTOCOL_SMP:
1279         {
1280                 struct scatterlist *sg_resp = &task->smp_task.smp_resp;
1281                 void *to = page_address(sg_page(sg_resp));
1282
1283                 ts->stat = SAS_SAM_STAT_GOOD;
1284
1285                 dma_unmap_sg(dev, &task->smp_task.smp_req, 1,
1286                              DMA_TO_DEVICE);
1287                 memcpy(to + sg_resp->offset,
1288                        hisi_sas_status_buf_addr_mem(slot) +
1289                        sizeof(struct hisi_sas_err_record),
1290                        sg_resp->length);
1291                 break;
1292         }
1293         case SAS_PROTOCOL_SATA:
1294         case SAS_PROTOCOL_STP:
1295         case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1296                 dev_err(dev, "slot complete: SATA/STP not supported\n");
1297                 break;
1298
1299         default:
1300                 ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
1301                 break;
1302         }
1303
1304         if (!slot->port->port_attached) {
1305                 dev_err(dev, "slot complete: port %d has removed\n",
1306                         slot->port->sas_port.id);
1307                 ts->stat = SAS_PHY_DOWN;
1308         }
1309
1310 out:
1311         hisi_sas_slot_task_free(hisi_hba, task, slot);
1312
1313         if (task->task_done)
1314                 task->task_done(task);
1315 }
1316
1317 /* Interrupts */
1318 static irqreturn_t int_phyup_v1_hw(int irq_no, void *p)
1319 {
1320         struct hisi_sas_phy *phy = p;
1321         struct hisi_hba *hisi_hba = phy->hisi_hba;
1322         struct device *dev = hisi_hba->dev;
1323         struct asd_sas_phy *sas_phy = &phy->sas_phy;
1324         int i, phy_no = sas_phy->id;
1325         u32 irq_value, context, port_id, link_rate;
1326         u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
1327         struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd;
1328         irqreturn_t res = IRQ_HANDLED;
1329
1330         irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1331         if (!(irq_value & CHL_INT2_SL_PHY_ENA_MSK)) {
1332                 dev_dbg(dev, "phyup: irq_value = %x not set enable bit\n",
1333                         irq_value);
1334                 res = IRQ_NONE;
1335                 goto end;
1336         }
1337
1338         context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
1339         if (context & 1 << phy_no) {
1340                 dev_err(dev, "phyup: phy%d SATA attached equipment\n",
1341                         phy_no);
1342                 goto end;
1343         }
1344
1345         port_id = (hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA) >> (4 * phy_no))
1346                   & 0xf;
1347         if (port_id == 0xf) {
1348                 dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
1349                 res = IRQ_NONE;
1350                 goto end;
1351         }
1352
1353         for (i = 0; i < 6; i++) {
1354                 u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
1355                                         RX_IDAF_DWORD0 + (i * 4));
1356                 frame_rcvd[i] = __swab32(idaf);
1357         }
1358
1359         /* Get the linkrate */
1360         link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
1361         link_rate = (link_rate >> (phy_no * 4)) & 0xf;
1362         sas_phy->linkrate = link_rate;
1363         sas_phy->oob_mode = SAS_OOB_MODE;
1364         memcpy(sas_phy->attached_sas_addr,
1365                 &id->sas_addr, SAS_ADDR_SIZE);
1366         dev_info(dev, "phyup: phy%d link_rate=%d\n",
1367                  phy_no, link_rate);
1368         phy->port_id = port_id;
1369         phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
1370         phy->phy_type |= PORT_TYPE_SAS;
1371         phy->phy_attached = 1;
1372         phy->identify.device_type = id->dev_type;
1373         phy->frame_rcvd_size =  sizeof(struct sas_identify_frame);
1374         if (phy->identify.device_type == SAS_END_DEVICE)
1375                 phy->identify.target_port_protocols =
1376                         SAS_PROTOCOL_SSP;
1377         else if (phy->identify.device_type != SAS_PHY_UNUSED)
1378                 phy->identify.target_port_protocols =
1379                         SAS_PROTOCOL_SMP;
1380         hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP);
1381 end:
1382         if (phy->reset_completion)
1383                 complete(phy->reset_completion);
1384         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1385                              CHL_INT2_SL_PHY_ENA_MSK);
1386
1387         if (irq_value & CHL_INT2_SL_PHY_ENA_MSK) {
1388                 u32 chl_int0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1389
1390                 chl_int0 &= ~CHL_INT0_PHYCTRL_NOTRDY_MSK;
1391                 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, chl_int0);
1392                 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3ce3ee);
1393         }
1394
1395         return res;
1396 }
1397
1398 static irqreturn_t int_bcast_v1_hw(int irq, void *p)
1399 {
1400         struct hisi_sas_phy *phy = p;
1401         struct hisi_hba *hisi_hba = phy->hisi_hba;
1402         struct asd_sas_phy *sas_phy = &phy->sas_phy;
1403         struct device *dev = hisi_hba->dev;
1404         int phy_no = sas_phy->id;
1405         u32 irq_value;
1406         irqreturn_t res = IRQ_HANDLED;
1407
1408         irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1409
1410         if (!(irq_value & CHL_INT2_SL_RX_BC_ACK_MSK)) {
1411                 dev_err(dev, "bcast: irq_value = %x not set enable bit\n",
1412                         irq_value);
1413                 res = IRQ_NONE;
1414                 goto end;
1415         }
1416
1417         if (!test_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
1418                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
1419                                       GFP_ATOMIC);
1420
1421 end:
1422         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1423                              CHL_INT2_SL_RX_BC_ACK_MSK);
1424
1425         return res;
1426 }
1427
1428 static irqreturn_t int_abnormal_v1_hw(int irq, void *p)
1429 {
1430         struct hisi_sas_phy *phy = p;
1431         struct hisi_hba *hisi_hba = phy->hisi_hba;
1432         struct device *dev = hisi_hba->dev;
1433         struct asd_sas_phy *sas_phy = &phy->sas_phy;
1434         u32 irq_value, irq_mask_old;
1435         int phy_no = sas_phy->id;
1436
1437         /* mask_int0 */
1438         irq_mask_old = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0_MSK);
1439         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3fffff);
1440
1441         /* read int0 */
1442         irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1443
1444         if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK) {
1445                 u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
1446
1447                 hisi_sas_phy_down(hisi_hba, phy_no,
1448                                   (phy_state & 1 << phy_no) ? 1 : 0,
1449                                   GFP_ATOMIC);
1450         }
1451
1452         if (irq_value & CHL_INT0_ID_TIMEOUT_MSK)
1453                 dev_dbg(dev, "abnormal: ID_TIMEOUT phy%d identify timeout\n",
1454                         phy_no);
1455
1456         if (irq_value & CHL_INT0_DWS_LOST_MSK)
1457                 dev_dbg(dev, "abnormal: DWS_LOST phy%d dws lost\n", phy_no);
1458
1459         if (irq_value & CHL_INT0_SN_FAIL_NGR_MSK)
1460                 dev_dbg(dev, "abnormal: SN_FAIL_NGR phy%d sn fail ngr\n",
1461                         phy_no);
1462
1463         if (irq_value & CHL_INT0_SL_IDAF_FAIL_MSK ||
1464                 irq_value & CHL_INT0_SL_OPAF_FAIL_MSK)
1465                 dev_dbg(dev, "abnormal: SL_ID/OPAF_FAIL phy%d check adr frm err\n",
1466                         phy_no);
1467
1468         if (irq_value & CHL_INT0_SL_PS_FAIL_OFF)
1469                 dev_dbg(dev, "abnormal: SL_PS_FAIL phy%d fail\n", phy_no);
1470
1471         /* write to zero */
1472         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, irq_value);
1473
1474         if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK)
1475                 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1476                                 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1477         else
1478                 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1479                                 irq_mask_old);
1480
1481         return IRQ_HANDLED;
1482 }
1483
1484 static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
1485 {
1486         struct hisi_sas_cq *cq = p;
1487         struct hisi_hba *hisi_hba = cq->hisi_hba;
1488         struct hisi_sas_slot *slot;
1489         int queue = cq->id;
1490         struct hisi_sas_complete_v1_hdr *complete_queue =
1491                         (struct hisi_sas_complete_v1_hdr *)
1492                         hisi_hba->complete_hdr[queue];
1493         u32 rd_point = cq->rd_point, wr_point;
1494
1495         spin_lock(&hisi_hba->lock);
1496         hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
1497         wr_point = hisi_sas_read32(hisi_hba,
1498                         COMPL_Q_0_WR_PTR + (0x14 * queue));
1499
1500         while (rd_point != wr_point) {
1501                 struct hisi_sas_complete_v1_hdr *complete_hdr;
1502                 int idx;
1503                 u32 cmplt_hdr_data;
1504
1505                 complete_hdr = &complete_queue[rd_point];
1506                 cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
1507                 idx = (cmplt_hdr_data & CMPLT_HDR_IPTT_MSK) >>
1508                       CMPLT_HDR_IPTT_OFF;
1509                 slot = &hisi_hba->slot_info[idx];
1510
1511                 /* The completion queue and queue slot index are not
1512                  * necessarily the same as the delivery queue and
1513                  * queue slot index.
1514                  */
1515                 slot->cmplt_queue_slot = rd_point;
1516                 slot->cmplt_queue = queue;
1517                 slot_complete_v1_hw(hisi_hba, slot);
1518
1519                 if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
1520                         rd_point = 0;
1521         }
1522
1523         /* update rd_point */
1524         cq->rd_point = rd_point;
1525         hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
1526         spin_unlock(&hisi_hba->lock);
1527
1528         return IRQ_HANDLED;
1529 }
1530
1531 static irqreturn_t fatal_ecc_int_v1_hw(int irq, void *p)
1532 {
1533         struct hisi_hba *hisi_hba = p;
1534         struct device *dev = hisi_hba->dev;
1535         u32 ecc_int = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
1536
1537         if (ecc_int & SAS_ECC_INTR_DQ_ECC1B_MSK) {
1538                 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1539
1540                 panic("%s: Fatal DQ 1b ECC interrupt (0x%x)\n",
1541                       dev_name(dev), ecc_err);
1542         }
1543
1544         if (ecc_int & SAS_ECC_INTR_DQ_ECCBAD_MSK) {
1545                 u32 addr = (hisi_sas_read32(hisi_hba, HGC_DQ_ECC_ADDR) &
1546                                 HGC_DQ_ECC_ADDR_BAD_MSK) >>
1547                                 HGC_DQ_ECC_ADDR_BAD_OFF;
1548
1549                 panic("%s: Fatal DQ RAM ECC interrupt @ 0x%08x\n",
1550                       dev_name(dev), addr);
1551         }
1552
1553         if (ecc_int & SAS_ECC_INTR_IOST_ECC1B_MSK) {
1554                 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1555
1556                 panic("%s: Fatal IOST 1b ECC interrupt (0x%x)\n",
1557                       dev_name(dev), ecc_err);
1558         }
1559
1560         if (ecc_int & SAS_ECC_INTR_IOST_ECCBAD_MSK) {
1561                 u32 addr = (hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR) &
1562                                 HGC_IOST_ECC_ADDR_BAD_MSK) >>
1563                                 HGC_IOST_ECC_ADDR_BAD_OFF;
1564
1565                 panic("%s: Fatal IOST RAM ECC interrupt @ 0x%08x\n",
1566                       dev_name(dev), addr);
1567         }
1568
1569         if (ecc_int & SAS_ECC_INTR_ITCT_ECCBAD_MSK) {
1570                 u32 addr = (hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR) &
1571                                 HGC_ITCT_ECC_ADDR_BAD_MSK) >>
1572                                 HGC_ITCT_ECC_ADDR_BAD_OFF;
1573
1574                 panic("%s: Fatal TCT RAM ECC interrupt @ 0x%08x\n",
1575                       dev_name(dev), addr);
1576         }
1577
1578         if (ecc_int & SAS_ECC_INTR_ITCT_ECC1B_MSK) {
1579                 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1580
1581                 panic("%s: Fatal ITCT 1b ECC interrupt (0x%x)\n",
1582                       dev_name(dev), ecc_err);
1583         }
1584
1585         hisi_sas_write32(hisi_hba, SAS_ECC_INTR, ecc_int | 0x3f);
1586
1587         return IRQ_HANDLED;
1588 }
1589
1590 static irqreturn_t fatal_axi_int_v1_hw(int irq, void *p)
1591 {
1592         struct hisi_hba *hisi_hba = p;
1593         struct device *dev = hisi_hba->dev;
1594         u32 axi_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC2);
1595         u32 axi_info = hisi_sas_read32(hisi_hba, HGC_AXI_FIFO_ERR_INFO);
1596
1597         if (axi_int & ENT_INT_SRC2_DQ_CFG_ERR_MSK)
1598                 panic("%s: Fatal DQ_CFG_ERR interrupt (0x%x)\n",
1599                       dev_name(dev), axi_info);
1600
1601         if (axi_int & ENT_INT_SRC2_CQ_CFG_ERR_MSK)
1602                 panic("%s: Fatal CQ_CFG_ERR interrupt (0x%x)\n",
1603                       dev_name(dev), axi_info);
1604
1605         if (axi_int & ENT_INT_SRC2_AXI_WRONG_INT_MSK)
1606                 panic("%s: Fatal AXI_WRONG_INT interrupt (0x%x)\n",
1607                       dev_name(dev), axi_info);
1608
1609         if (axi_int & ENT_INT_SRC2_AXI_OVERLF_INT_MSK)
1610                 panic("%s: Fatal AXI_OVERLF_INT incorrect interrupt (0x%x)\n",
1611                       dev_name(dev), axi_info);
1612
1613         hisi_sas_write32(hisi_hba, ENT_INT_SRC2, axi_int | 0x30000000);
1614
1615         return IRQ_HANDLED;
1616 }
1617
1618 static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
1619         int_bcast_v1_hw,
1620         int_phyup_v1_hw,
1621         int_abnormal_v1_hw
1622 };
1623
1624 static irq_handler_t fatal_interrupts[HISI_SAS_MAX_QUEUES] = {
1625         fatal_ecc_int_v1_hw,
1626         fatal_axi_int_v1_hw
1627 };
1628
1629 static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
1630 {
1631         struct platform_device *pdev = hisi_hba->platform_dev;
1632         struct device *dev = &pdev->dev;
1633         int i, j, irq, rc, idx;
1634
1635         for (i = 0; i < hisi_hba->n_phy; i++) {
1636                 struct hisi_sas_phy *phy = &hisi_hba->phy[i];
1637
1638                 idx = i * HISI_SAS_PHY_INT_NR;
1639                 for (j = 0; j < HISI_SAS_PHY_INT_NR; j++, idx++) {
1640                         irq = platform_get_irq(pdev, idx);
1641                         if (irq < 0)
1642                                 return irq;
1643
1644                         rc = devm_request_irq(dev, irq, phy_interrupts[j], 0,
1645                                               DRV_NAME " phy", phy);
1646                         if (rc) {
1647                                 dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n",
1648                                         irq, rc);
1649                                 return rc;
1650                         }
1651                 }
1652         }
1653
1654         idx = hisi_hba->n_phy * HISI_SAS_PHY_INT_NR;
1655         for (i = 0; i < hisi_hba->queue_count; i++, idx++) {
1656                 irq = platform_get_irq(pdev, idx);
1657                 if (irq < 0)
1658                         return irq;
1659
1660                 rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0,
1661                                       DRV_NAME " cq", &hisi_hba->cq[i]);
1662                 if (rc) {
1663                         dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
1664                                 irq, rc);
1665                         return rc;
1666                 }
1667         }
1668
1669         idx = (hisi_hba->n_phy * HISI_SAS_PHY_INT_NR) + hisi_hba->queue_count;
1670         for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++, idx++) {
1671                 irq = platform_get_irq(pdev, idx);
1672                 if (irq < 0)
1673                         return irq;
1674
1675                 rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
1676                                       DRV_NAME " fatal", hisi_hba);
1677                 if (rc) {
1678                         dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n",
1679                                 irq, rc);
1680                         return rc;
1681                 }
1682         }
1683
1684         hisi_hba->cq_nvecs = hisi_hba->queue_count;
1685
1686         return 0;
1687 }
1688
1689 static int interrupt_openall_v1_hw(struct hisi_hba *hisi_hba)
1690 {
1691         int i;
1692         u32 val;
1693
1694         for (i = 0; i < hisi_hba->n_phy; i++) {
1695                 /* Clear interrupt status */
1696                 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT0);
1697                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, val);
1698                 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT1);
1699                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, val);
1700                 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT2);
1701                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, val);
1702
1703                 /* Unmask interrupt */
1704                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK, 0x3ce3ee);
1705                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0x17fff);
1706                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8000012a);
1707
1708                 /* bypass chip bug mask abnormal intr */
1709                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK,
1710                                 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1711         }
1712
1713         return 0;
1714 }
1715
1716 static int hisi_sas_v1_init(struct hisi_hba *hisi_hba)
1717 {
1718         int rc;
1719
1720         rc = hw_init_v1_hw(hisi_hba);
1721         if (rc)
1722                 return rc;
1723
1724         rc = interrupt_init_v1_hw(hisi_hba);
1725         if (rc)
1726                 return rc;
1727
1728         rc = interrupt_openall_v1_hw(hisi_hba);
1729         if (rc)
1730                 return rc;
1731
1732         return 0;
1733 }
1734
1735 static struct attribute *host_v1_hw_attrs[] = {
1736         &dev_attr_phy_event_threshold.attr,
1737         NULL
1738 };
1739
1740 ATTRIBUTE_GROUPS(host_v1_hw);
1741
1742 static struct scsi_host_template sht_v1_hw = {
1743         .name                   = DRV_NAME,
1744         .proc_name              = DRV_NAME,
1745         .module                 = THIS_MODULE,
1746         .queuecommand           = sas_queuecommand,
1747         .dma_need_drain         = ata_scsi_dma_need_drain,
1748         .target_alloc           = sas_target_alloc,
1749         .slave_configure        = hisi_sas_slave_configure,
1750         .scan_finished          = hisi_sas_scan_finished,
1751         .scan_start             = hisi_sas_scan_start,
1752         .change_queue_depth     = sas_change_queue_depth,
1753         .bios_param             = sas_bios_param,
1754         .this_id                = -1,
1755         .sg_tablesize           = HISI_SAS_SGE_PAGE_CNT,
1756         .max_sectors            = SCSI_DEFAULT_MAX_SECTORS,
1757         .eh_device_reset_handler = sas_eh_device_reset_handler,
1758         .eh_target_reset_handler = sas_eh_target_reset_handler,
1759         .slave_alloc            = hisi_sas_slave_alloc,
1760         .target_destroy         = sas_target_destroy,
1761         .ioctl                  = sas_ioctl,
1762 #ifdef CONFIG_COMPAT
1763         .compat_ioctl           = sas_ioctl,
1764 #endif
1765         .shost_groups           = host_v1_hw_groups,
1766         .host_reset             = hisi_sas_host_reset,
1767 };
1768
1769 static const struct hisi_sas_hw hisi_sas_v1_hw = {
1770         .hw_init = hisi_sas_v1_init,
1771         .setup_itct = setup_itct_v1_hw,
1772         .sl_notify_ssp = sl_notify_ssp_v1_hw,
1773         .clear_itct = clear_itct_v1_hw,
1774         .prep_smp = prep_smp_v1_hw,
1775         .prep_ssp = prep_ssp_v1_hw,
1776         .start_delivery = start_delivery_v1_hw,
1777         .phys_init = phys_init_v1_hw,
1778         .phy_start = start_phy_v1_hw,
1779         .phy_disable = disable_phy_v1_hw,
1780         .phy_hard_reset = phy_hard_reset_v1_hw,
1781         .phy_set_linkrate = phy_set_linkrate_v1_hw,
1782         .phy_get_max_linkrate = phy_get_max_linkrate_v1_hw,
1783         .get_wideport_bitmap = get_wideport_bitmap_v1_hw,
1784         .complete_hdr_size = sizeof(struct hisi_sas_complete_v1_hdr),
1785         .sht = &sht_v1_hw,
1786 };
1787
1788 static int hisi_sas_v1_probe(struct platform_device *pdev)
1789 {
1790         return hisi_sas_probe(pdev, &hisi_sas_v1_hw);
1791 }
1792
1793 static int hisi_sas_v1_remove(struct platform_device *pdev)
1794 {
1795         return hisi_sas_remove(pdev);
1796 }
1797
1798 static const struct of_device_id sas_v1_of_match[] = {
1799         { .compatible = "hisilicon,hip05-sas-v1",},
1800         {},
1801 };
1802 MODULE_DEVICE_TABLE(of, sas_v1_of_match);
1803
1804 static const struct acpi_device_id sas_v1_acpi_match[] = {
1805         { "HISI0161", 0 },
1806         { }
1807 };
1808
1809 MODULE_DEVICE_TABLE(acpi, sas_v1_acpi_match);
1810
1811 static struct platform_driver hisi_sas_v1_driver = {
1812         .probe = hisi_sas_v1_probe,
1813         .remove = hisi_sas_v1_remove,
1814         .driver = {
1815                 .name = DRV_NAME,
1816                 .of_match_table = sas_v1_of_match,
1817                 .acpi_match_table = ACPI_PTR(sas_v1_acpi_match),
1818         },
1819 };
1820
1821 module_platform_driver(hisi_sas_v1_driver);
1822
1823 MODULE_LICENSE("GPL");
1824 MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
1825 MODULE_DESCRIPTION("HISILICON SAS controller v1 hw driver");
1826 MODULE_ALIAS("platform:" DRV_NAME);