This source file includes following definitions.
- hisi_sas_read32
- hisi_sas_write32
- hisi_sas_phy_write32
- hisi_sas_phy_read32
- config_phy_opt_mode_v1_hw
- config_tx_tfe_autoneg_v1_hw
- config_id_frame_v1_hw
- setup_itct_v1_hw
- clear_itct_v1_hw
- reset_hw_v1_hw
- init_reg_v1_hw
- hw_init_v1_hw
- enable_phy_v1_hw
- disable_phy_v1_hw
- start_phy_v1_hw
- phy_hard_reset_v1_hw
- start_phys_v1_hw
- phys_init_v1_hw
- sl_notify_ssp_v1_hw
- phy_get_max_linkrate_v1_hw
- phy_set_linkrate_v1_hw
- get_wideport_bitmap_v1_hw
- start_delivery_v1_hw
- prep_prd_sge_v1_hw
- prep_smp_v1_hw
- prep_ssp_v1_hw
- slot_err_v1_hw
- slot_complete_v1_hw
- int_phyup_v1_hw
- int_bcast_v1_hw
- int_abnormal_v1_hw
- cq_interrupt_v1_hw
- fatal_ecc_int_v1_hw
- fatal_axi_int_v1_hw
- interrupt_init_v1_hw
- interrupt_openall_v1_hw
- hisi_sas_v1_init
- hisi_sas_v1_probe
- hisi_sas_v1_remove
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6
7 #include "hisi_sas.h"
8 #define DRV_NAME "hisi_sas_v1_hw"
9
10
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
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
195
196
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
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
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
224 #define CMD_HDR_IPTT_OFF 0
225 #define CMD_HDR_IPTT_MSK 0xffff
226
227 #define CMD_HDR_DATA_SGL_LEN_OFF 16
228 #define CMD_HDR_DATA_SGL_LEN_MSK 0xffff0000
229
230
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
243
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
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
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
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
288 __le32 dma_err_type;
289
290
291 __le32 trans_tx_fail_type;
292
293
294 __le32 trans_rx_fail_type;
295
296
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
314 DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE,
315 DMA_TX_DIF_APP_ERR,
316 DMA_TX_DIF_RPP_ERR,
317 DMA_TX_AXI_BUS_ERR,
318 DMA_TX_DATA_SGL_OVERFLOW_ERR,
319 DMA_TX_DIF_SGL_OVERFLOW_ERR,
320 DMA_TX_UNEXP_XFER_RDY_ERR,
321 DMA_TX_XFER_RDY_OFFSET_ERR,
322 DMA_TX_DATA_UNDERFLOW_ERR,
323 DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR,
324
325
326 DMA_RX_BUFFER_ECC_ERR = DMA_RX_ERR_BASE,
327 DMA_RX_DIF_CRC_ERR,
328 DMA_RX_DIF_APP_ERR,
329 DMA_RX_DIF_RPP_ERR,
330 DMA_RX_RESP_BUFFER_OVERFLOW_ERR,
331 DMA_RX_AXI_BUS_ERR,
332 DMA_RX_DATA_SGL_OVERFLOW_ERR,
333 DMA_RX_DIF_SGL_OVERFLOW_ERR,
334 DMA_RX_DATA_OFFSET_ERR,
335 DMA_RX_UNEXP_RX_DATA_ERR,
336 DMA_RX_DATA_OVERFLOW_ERR,
337 DMA_RX_DATA_UNDERFLOW_ERR,
338 DMA_RX_UNEXP_RETRANS_RESP_ERR,
339
340
341 TRANS_TX_RSVD0_ERR = TRANS_TX_FAIL_BASE,
342 TRANS_TX_PHY_NOT_ENABLE_ERR,
343 TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR,
344 TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR,
345 TRANS_TX_OPEN_REJCT_BY_OTHER_ERR,
346 TRANS_TX_RSVD1_ERR,
347 TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR,
348 TRANS_TX_OPEN_REJCT_STP_BUSY_ERR,
349 TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR,
350 TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR,
351 TRANS_TX_OPEN_REJCT_BAD_DEST_ERR,
352 TRANS_TX_OPEN_BREAK_RECEIVE_ERR,
353 TRANS_TX_LOW_PHY_POWER_ERR,
354 TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR,
355 TRANS_TX_OPEN_TIMEOUT_ERR,
356 TRANS_TX_OPEN_REJCT_NO_DEST_ERR,
357 TRANS_TX_OPEN_RETRY_ERR,
358 TRANS_TX_RSVD2_ERR,
359 TRANS_TX_BREAK_TIMEOUT_ERR,
360 TRANS_TX_BREAK_REQUEST_ERR,
361 TRANS_TX_BREAK_RECEIVE_ERR,
362 TRANS_TX_CLOSE_TIMEOUT_ERR,
363 TRANS_TX_CLOSE_NORMAL_ERR,
364 TRANS_TX_CLOSE_PHYRESET_ERR,
365 TRANS_TX_WITH_CLOSE_DWS_TIMEOUT_ERR,
366 TRANS_TX_WITH_CLOSE_COMINIT_ERR,
367 TRANS_TX_NAK_RECEIVE_ERR,
368 TRANS_TX_ACK_NAK_TIMEOUT_ERR,
369 TRANS_TX_CREDIT_TIMEOUT_ERR,
370 TRANS_TX_IPTT_CONFLICT_ERR,
371 TRANS_TX_TXFRM_TYPE_ERR,
372 TRANS_TX_TXSMP_LENGTH_ERR,
373
374
375 TRANS_RX_FRAME_CRC_ERR = TRANS_RX_FAIL_BASE,
376 TRANS_RX_FRAME_DONE_ERR,
377 TRANS_RX_FRAME_ERRPRM_ERR,
378 TRANS_RX_FRAME_NO_CREDIT_ERR,
379 TRANS_RX_RSVD0_ERR,
380 TRANS_RX_FRAME_OVERRUN_ERR,
381 TRANS_RX_FRAME_NO_EOF_ERR,
382 TRANS_RX_LINK_BUF_OVERRUN_ERR,
383 TRANS_RX_BREAK_TIMEOUT_ERR,
384 TRANS_RX_BREAK_REQUEST_ERR,
385 TRANS_RX_BREAK_RECEIVE_ERR,
386 TRANS_RX_CLOSE_TIMEOUT_ERR,
387 TRANS_RX_CLOSE_NORMAL_ERR,
388 TRANS_RX_CLOSE_PHYRESET_ERR,
389 TRANS_RX_WITH_CLOSE_DWS_TIMEOUT_ERR,
390 TRANS_RX_WITH_CLOSE_COMINIT_ERR,
391 TRANS_RX_DATA_LENGTH0_ERR,
392 TRANS_RX_BAD_HASH_ERR,
393 TRANS_RX_XRDY_ZERO_ERR,
394 TRANS_RX_SSP_FRAME_LEN_ERR,
395 TRANS_RX_TRANS_RX_RSVD1_ERR,
396 TRANS_RX_NO_BALANCE_ERR,
397 TRANS_RX_TRANS_RX_RSVD2_ERR,
398 TRANS_RX_TRANS_RX_RSVD3_ERR,
399 TRANS_RX_BAD_FRAME_TYPE_ERR,
400 TRANS_RX_SMP_FRAME_LEN_ERR,
401 TRANS_RX_SMP_RESP_TIMEOUT_ERR,
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
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
524 memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
525 itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
526
527
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 void 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
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
556 static int reset_hw_v1_hw(struct hisi_hba *hisi_hba)
557 {
558 int i;
559 unsigned long end_time;
560 u32 val;
561 struct device *dev = hisi_hba->dev;
562
563 for (i = 0; i < hisi_hba->n_phy; i++) {
564 u32 phy_ctrl = hisi_sas_phy_read32(hisi_hba, i, PHY_CTRL);
565
566 phy_ctrl |= PHY_CTRL_RESET_MSK;
567 hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, phy_ctrl);
568 }
569 msleep(1);
570
571
572 for (i = 0; i < hisi_hba->n_phy; i++) {
573 u32 dma_tx_status, dma_rx_status;
574
575 end_time = jiffies + msecs_to_jiffies(1000);
576
577 while (1) {
578 dma_tx_status = hisi_sas_phy_read32(hisi_hba, i,
579 DMA_TX_STATUS);
580 dma_rx_status = hisi_sas_phy_read32(hisi_hba, i,
581 DMA_RX_STATUS);
582
583 if (!(dma_tx_status & DMA_TX_STATUS_BUSY_MSK) &&
584 !(dma_rx_status & DMA_RX_STATUS_BUSY_MSK))
585 break;
586
587 msleep(20);
588 if (time_after(jiffies, end_time))
589 return -EIO;
590 }
591 }
592
593
594 end_time = jiffies + msecs_to_jiffies(1000);
595 while (1) {
596 u32 axi_status =
597 hisi_sas_read32(hisi_hba, AXI_CFG);
598
599 if (axi_status == 0)
600 break;
601
602 msleep(20);
603 if (time_after(jiffies, end_time))
604 return -EIO;
605 }
606
607 if (ACPI_HANDLE(dev)) {
608 acpi_status s;
609
610 s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
611 if (ACPI_FAILURE(s)) {
612 dev_err(dev, "Reset failed\n");
613 return -EIO;
614 }
615 } else if (hisi_hba->ctrl) {
616
617
618 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
619 RESET_VALUE);
620 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4,
621 RESET_VALUE);
622 msleep(1);
623 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
624 if (RESET_VALUE != (val & RESET_VALUE)) {
625 dev_err(dev, "Reset failed\n");
626 return -EIO;
627 }
628
629
630
631 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4,
632 RESET_VALUE);
633 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg,
634 RESET_VALUE);
635 msleep(1);
636 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
637 if (val & RESET_VALUE) {
638 dev_err(dev, "De-reset failed\n");
639 return -EIO;
640 }
641 } else {
642 dev_warn(dev, "no reset method\n");
643 return -EINVAL;
644 }
645
646 return 0;
647 }
648
649 static void init_reg_v1_hw(struct hisi_hba *hisi_hba)
650 {
651 int i;
652
653
654 hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
655 (u32)((1ULL << hisi_hba->queue_count) - 1));
656 hisi_sas_write32(hisi_hba, HGC_TRANS_TASK_CNT_LIMIT, 0x11);
657 hisi_sas_write32(hisi_hba, DEVICE_MSG_WORK_MODE, 0x1);
658 hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x1ff);
659 hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x401);
660 hisi_sas_write32(hisi_hba, CFG_1US_TIMER_TRSH, 0x64);
661 hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1);
662 hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x64);
663 hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, 0x2710);
664 hisi_sas_write32(hisi_hba, REJECT_TO_OPEN_LIMIT_TIME, 0x1);
665 hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x7a12);
666 hisi_sas_write32(hisi_hba, HGC_DFX_CFG2, 0x9c40);
667 hisi_sas_write32(hisi_hba, FIS_LIST_BADDR_L, 0x2);
668 hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc);
669 hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x186a0);
670 hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 1);
671 hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1);
672 hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1);
673 hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffffffff);
674 hisi_sas_write32(hisi_hba, OQ_INT_SRC_MSK, 0);
675 hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
676 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0);
677 hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
678 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0);
679 hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0);
680 hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 0x2);
681 hisi_sas_write32(hisi_hba, CFG_SAS_CONFIG, 0x22000000);
682
683 for (i = 0; i < hisi_hba->n_phy; i++) {
684 hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE, 0x88a);
685 hisi_sas_phy_write32(hisi_hba, i, PHY_CONFIG2, 0x7c080);
686 hisi_sas_phy_write32(hisi_hba, i, PHY_RATE_NEGO, 0x415ee00);
687 hisi_sas_phy_write32(hisi_hba, i, PHY_PCN, 0x80a80000);
688 hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d);
689 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x0);
690 hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
691 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0);
692 hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x13f0a);
693 hisi_sas_phy_write32(hisi_hba, i, CHL_INT_COAL_EN, 3);
694 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 8);
695 }
696
697 for (i = 0; i < hisi_hba->queue_count; i++) {
698
699 hisi_sas_write32(hisi_hba,
700 DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
701 upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
702
703 hisi_sas_write32(hisi_hba,
704 DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
705 lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
706
707 hisi_sas_write32(hisi_hba,
708 DLVRY_Q_0_DEPTH + (i * 0x14),
709 HISI_SAS_QUEUE_SLOTS);
710
711
712 hisi_sas_write32(hisi_hba,
713 COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
714 upper_32_bits(hisi_hba->complete_hdr_dma[i]));
715
716 hisi_sas_write32(hisi_hba,
717 COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
718 lower_32_bits(hisi_hba->complete_hdr_dma[i]));
719
720 hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
721 HISI_SAS_QUEUE_SLOTS);
722 }
723
724
725 hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
726 lower_32_bits(hisi_hba->itct_dma));
727
728 hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
729 upper_32_bits(hisi_hba->itct_dma));
730
731
732 hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
733 lower_32_bits(hisi_hba->iost_dma));
734
735 hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
736 upper_32_bits(hisi_hba->iost_dma));
737
738
739 hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_LO,
740 lower_32_bits(hisi_hba->breakpoint_dma));
741
742 hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_HI,
743 upper_32_bits(hisi_hba->breakpoint_dma));
744 }
745
746 static int hw_init_v1_hw(struct hisi_hba *hisi_hba)
747 {
748 struct device *dev = hisi_hba->dev;
749 int rc;
750
751 rc = reset_hw_v1_hw(hisi_hba);
752 if (rc) {
753 dev_err(dev, "hisi_sas_reset_hw failed, rc=%d", rc);
754 return rc;
755 }
756
757 msleep(100);
758 init_reg_v1_hw(hisi_hba);
759
760 return 0;
761 }
762
763 static void enable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
764 {
765 u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
766
767 cfg |= PHY_CFG_ENA_MSK;
768 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
769 }
770
771 static void disable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
772 {
773 u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
774
775 cfg &= ~PHY_CFG_ENA_MSK;
776 hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
777 }
778
779 static void start_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
780 {
781 config_id_frame_v1_hw(hisi_hba, phy_no);
782 config_phy_opt_mode_v1_hw(hisi_hba, phy_no);
783 config_tx_tfe_autoneg_v1_hw(hisi_hba, phy_no);
784 enable_phy_v1_hw(hisi_hba, phy_no);
785 }
786
787 static void phy_hard_reset_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
788 {
789 hisi_sas_phy_enable(hisi_hba, phy_no, 0);
790 msleep(100);
791 hisi_sas_phy_enable(hisi_hba, phy_no, 1);
792 }
793
794 static void start_phys_v1_hw(struct timer_list *t)
795 {
796 struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer);
797 int i;
798
799 for (i = 0; i < hisi_hba->n_phy; i++) {
800 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x12a);
801 hisi_sas_phy_enable(hisi_hba, i, 1);
802 }
803 }
804
805 static void phys_init_v1_hw(struct hisi_hba *hisi_hba)
806 {
807 int i;
808 struct timer_list *timer = &hisi_hba->timer;
809
810 for (i = 0; i < hisi_hba->n_phy; i++) {
811 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x6a);
812 hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK);
813 }
814
815 timer_setup(timer, start_phys_v1_hw, 0);
816 mod_timer(timer, jiffies + HZ);
817 }
818
819 static void sl_notify_ssp_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
820 {
821 u32 sl_control;
822
823 sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
824 sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
825 hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
826 msleep(1);
827 sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
828 sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
829 hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
830 }
831
832 static enum sas_linkrate phy_get_max_linkrate_v1_hw(void)
833 {
834 return SAS_LINK_RATE_6_0_GBPS;
835 }
836
837 static void phy_set_linkrate_v1_hw(struct hisi_hba *hisi_hba, int phy_no,
838 struct sas_phy_linkrates *r)
839 {
840 enum sas_linkrate max = r->maximum_linkrate;
841 u32 prog_phy_link_rate = 0x800;
842
843 prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
844 hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
845 prog_phy_link_rate);
846 }
847
848 static int get_wideport_bitmap_v1_hw(struct hisi_hba *hisi_hba, int port_id)
849 {
850 int i, bitmap = 0;
851 u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
852
853 for (i = 0; i < hisi_hba->n_phy; i++)
854 if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
855 bitmap |= 1 << i;
856
857 return bitmap;
858 }
859
860
861 static void start_delivery_v1_hw(struct hisi_sas_dq *dq)
862 {
863 struct hisi_hba *hisi_hba = dq->hisi_hba;
864 struct hisi_sas_slot *s, *s1, *s2 = NULL;
865 int dlvry_queue = dq->id;
866 int wp;
867
868 list_for_each_entry_safe(s, s1, &dq->list, delivery) {
869 if (!s->ready)
870 break;
871 s2 = s;
872 list_del(&s->delivery);
873 }
874
875 if (!s2)
876 return;
877
878
879
880
881 smp_rmb();
882 wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
883
884 hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
885 }
886
887 static void prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba,
888 struct hisi_sas_slot *slot,
889 struct hisi_sas_cmd_hdr *hdr,
890 struct scatterlist *scatter,
891 int n_elem)
892 {
893 struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
894 struct scatterlist *sg;
895 int i;
896
897 for_each_sg(scatter, sg, n_elem, i) {
898 struct hisi_sas_sge *entry = &sge_page->sge[i];
899
900 entry->addr = cpu_to_le64(sg_dma_address(sg));
901 entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
902 entry->data_len = cpu_to_le32(sg_dma_len(sg));
903 entry->data_off = 0;
904 }
905
906 hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
907
908 hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
909 }
910
911 static void prep_smp_v1_hw(struct hisi_hba *hisi_hba,
912 struct hisi_sas_slot *slot)
913 {
914 struct sas_task *task = slot->task;
915 struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
916 struct domain_device *device = task->dev;
917 struct hisi_sas_port *port = slot->port;
918 struct scatterlist *sg_req;
919 struct hisi_sas_device *sas_dev = device->lldd_dev;
920 dma_addr_t req_dma_addr;
921 unsigned int req_len;
922
923
924 sg_req = &task->smp_task.smp_req;
925 req_len = sg_dma_len(sg_req);
926 req_dma_addr = sg_dma_address(sg_req);
927
928
929
930 hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
931 (1 << CMD_HDR_PRIORITY_OFF) |
932 (1 << CMD_HDR_MODE_OFF) |
933 (2 << CMD_HDR_CMD_OFF));
934
935
936 hdr->dw1 = cpu_to_le32(sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF);
937
938
939 hdr->dw2 = cpu_to_le32((((req_len-4)/4) << CMD_HDR_CFL_OFF) |
940 (HISI_SAS_MAX_SMP_RESP_SZ/4 <<
941 CMD_HDR_MRFL_OFF));
942
943 hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
944
945 hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
946 hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
947 }
948
949 static void prep_ssp_v1_hw(struct hisi_hba *hisi_hba,
950 struct hisi_sas_slot *slot)
951 {
952 struct sas_task *task = slot->task;
953 struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
954 struct domain_device *device = task->dev;
955 struct hisi_sas_device *sas_dev = device->lldd_dev;
956 struct hisi_sas_port *port = slot->port;
957 struct sas_ssp_task *ssp_task = &task->ssp_task;
958 struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
959 struct hisi_sas_tmf_task *tmf = slot->tmf;
960 int has_data = 0, priority = !!tmf;
961 u8 *buf_cmd, fburst = 0;
962 u32 dw1, dw2;
963
964
965 hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
966 (0x2 << CMD_HDR_TLR_CTRL_OFF) |
967 (port->id << CMD_HDR_PORT_OFF) |
968 (priority << CMD_HDR_PRIORITY_OFF) |
969 (1 << CMD_HDR_MODE_OFF) |
970 (1 << CMD_HDR_CMD_OFF));
971
972 dw1 = 1 << CMD_HDR_VERIFY_DTL_OFF;
973
974 if (tmf) {
975 dw1 |= 3 << CMD_HDR_SSP_FRAME_TYPE_OFF;
976 } else {
977 switch (scsi_cmnd->sc_data_direction) {
978 case DMA_TO_DEVICE:
979 dw1 |= 2 << CMD_HDR_SSP_FRAME_TYPE_OFF;
980 has_data = 1;
981 break;
982 case DMA_FROM_DEVICE:
983 dw1 |= 1 << CMD_HDR_SSP_FRAME_TYPE_OFF;
984 has_data = 1;
985 break;
986 default:
987 dw1 |= 0 << CMD_HDR_SSP_FRAME_TYPE_OFF;
988 }
989 }
990
991
992 dw1 |= sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF;
993 hdr->dw1 = cpu_to_le32(dw1);
994
995 if (tmf) {
996 dw2 = ((sizeof(struct ssp_tmf_iu) +
997 sizeof(struct ssp_frame_hdr)+3)/4) <<
998 CMD_HDR_CFL_OFF;
999 } else {
1000 dw2 = ((sizeof(struct ssp_command_iu) +
1001 sizeof(struct ssp_frame_hdr)+3)/4) <<
1002 CMD_HDR_CFL_OFF;
1003 }
1004
1005 dw2 |= (HISI_SAS_MAX_SSP_RESP_SZ/4) << CMD_HDR_MRFL_OFF;
1006
1007 hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
1008
1009 if (has_data)
1010 prep_prd_sge_v1_hw(hisi_hba, slot, hdr, task->scatter,
1011 slot->n_elem);
1012
1013 hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
1014 hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
1015 hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
1016
1017 buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
1018 sizeof(struct ssp_frame_hdr);
1019 if (task->ssp_task.enable_first_burst) {
1020 fburst = (1 << 7);
1021 dw2 |= 1 << CMD_HDR_FIRST_BURST_OFF;
1022 }
1023 hdr->dw2 = cpu_to_le32(dw2);
1024
1025 memcpy(buf_cmd, &task->ssp_task.LUN, 8);
1026 if (!tmf) {
1027 buf_cmd[9] = fburst | task->ssp_task.task_attr |
1028 (task->ssp_task.task_prio << 3);
1029 memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd,
1030 task->ssp_task.cmd->cmd_len);
1031 } else {
1032 buf_cmd[10] = tmf->tmf;
1033 switch (tmf->tmf) {
1034 case TMF_ABORT_TASK:
1035 case TMF_QUERY_TASK:
1036 buf_cmd[12] =
1037 (tmf->tag_of_task_to_be_managed >> 8) & 0xff;
1038 buf_cmd[13] =
1039 tmf->tag_of_task_to_be_managed & 0xff;
1040 break;
1041 default:
1042 break;
1043 }
1044 }
1045 }
1046
1047
1048 static void slot_err_v1_hw(struct hisi_hba *hisi_hba,
1049 struct sas_task *task,
1050 struct hisi_sas_slot *slot)
1051 {
1052 struct task_status_struct *ts = &task->task_status;
1053 struct hisi_sas_err_record_v1 *err_record =
1054 hisi_sas_status_buf_addr_mem(slot);
1055 struct device *dev = hisi_hba->dev;
1056
1057 switch (task->task_proto) {
1058 case SAS_PROTOCOL_SSP:
1059 {
1060 int error = -1;
1061 u32 dma_err_type = le32_to_cpu(err_record->dma_err_type);
1062 u32 dma_tx_err_type = ((dma_err_type &
1063 ERR_HDR_DMA_TX_ERR_TYPE_MSK)) >>
1064 ERR_HDR_DMA_TX_ERR_TYPE_OFF;
1065 u32 dma_rx_err_type = ((dma_err_type &
1066 ERR_HDR_DMA_RX_ERR_TYPE_MSK)) >>
1067 ERR_HDR_DMA_RX_ERR_TYPE_OFF;
1068 u32 trans_tx_fail_type =
1069 le32_to_cpu(err_record->trans_tx_fail_type);
1070 u32 trans_rx_fail_type =
1071 le32_to_cpu(err_record->trans_rx_fail_type);
1072
1073 if (dma_tx_err_type) {
1074
1075 error = ffs(dma_tx_err_type)
1076 - 1 + DMA_TX_ERR_BASE;
1077 } else if (dma_rx_err_type) {
1078
1079 error = ffs(dma_rx_err_type)
1080 - 1 + DMA_RX_ERR_BASE;
1081 } else if (trans_tx_fail_type) {
1082
1083 error = ffs(trans_tx_fail_type)
1084 - 1 + TRANS_TX_FAIL_BASE;
1085 } else if (trans_rx_fail_type) {
1086
1087 error = ffs(trans_rx_fail_type)
1088 - 1 + TRANS_RX_FAIL_BASE;
1089 }
1090
1091 switch (error) {
1092 case DMA_TX_DATA_UNDERFLOW_ERR:
1093 case DMA_RX_DATA_UNDERFLOW_ERR:
1094 {
1095 ts->residual = 0;
1096 ts->stat = SAS_DATA_UNDERRUN;
1097 break;
1098 }
1099 case DMA_TX_DATA_SGL_OVERFLOW_ERR:
1100 case DMA_TX_DIF_SGL_OVERFLOW_ERR:
1101 case DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR:
1102 case DMA_RX_DATA_OVERFLOW_ERR:
1103 case TRANS_RX_FRAME_OVERRUN_ERR:
1104 case TRANS_RX_LINK_BUF_OVERRUN_ERR:
1105 {
1106 ts->stat = SAS_DATA_OVERRUN;
1107 ts->residual = 0;
1108 break;
1109 }
1110 case TRANS_TX_PHY_NOT_ENABLE_ERR:
1111 {
1112 ts->stat = SAS_PHY_DOWN;
1113 break;
1114 }
1115 case TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR:
1116 case TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR:
1117 case TRANS_TX_OPEN_REJCT_BY_OTHER_ERR:
1118 case TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR:
1119 case TRANS_TX_OPEN_REJCT_STP_BUSY_ERR:
1120 case TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR:
1121 case TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR:
1122 case TRANS_TX_OPEN_REJCT_BAD_DEST_ERR:
1123 case TRANS_TX_OPEN_BREAK_RECEIVE_ERR:
1124 case TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR:
1125 case TRANS_TX_OPEN_REJCT_NO_DEST_ERR:
1126 case TRANS_TX_OPEN_RETRY_ERR:
1127 {
1128 ts->stat = SAS_OPEN_REJECT;
1129 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1130 break;
1131 }
1132 case TRANS_TX_OPEN_TIMEOUT_ERR:
1133 {
1134 ts->stat = SAS_OPEN_TO;
1135 break;
1136 }
1137 case TRANS_TX_NAK_RECEIVE_ERR:
1138 case TRANS_TX_ACK_NAK_TIMEOUT_ERR:
1139 {
1140 ts->stat = SAS_NAK_R_ERR;
1141 break;
1142 }
1143 case TRANS_TX_CREDIT_TIMEOUT_ERR:
1144 case TRANS_TX_CLOSE_NORMAL_ERR:
1145 {
1146
1147 ts->stat = SAS_QUEUE_FULL;
1148 slot->abort = 1;
1149 break;
1150 }
1151 default:
1152 {
1153 ts->stat = SAM_STAT_CHECK_CONDITION;
1154 break;
1155 }
1156 }
1157 }
1158 break;
1159 case SAS_PROTOCOL_SMP:
1160 ts->stat = SAM_STAT_CHECK_CONDITION;
1161 break;
1162
1163 case SAS_PROTOCOL_SATA:
1164 case SAS_PROTOCOL_STP:
1165 case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1166 {
1167 dev_err(dev, "slot err: SATA/STP not supported");
1168 }
1169 break;
1170 default:
1171 break;
1172 }
1173
1174 }
1175
1176 static int slot_complete_v1_hw(struct hisi_hba *hisi_hba,
1177 struct hisi_sas_slot *slot)
1178 {
1179 struct sas_task *task = slot->task;
1180 struct hisi_sas_device *sas_dev;
1181 struct device *dev = hisi_hba->dev;
1182 struct task_status_struct *ts;
1183 struct domain_device *device;
1184 enum exec_status sts;
1185 struct hisi_sas_complete_v1_hdr *complete_queue =
1186 hisi_hba->complete_hdr[slot->cmplt_queue];
1187 struct hisi_sas_complete_v1_hdr *complete_hdr;
1188 unsigned long flags;
1189 u32 cmplt_hdr_data;
1190
1191 complete_hdr = &complete_queue[slot->cmplt_queue_slot];
1192 cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
1193
1194 if (unlikely(!task || !task->lldd_task || !task->dev))
1195 return -EINVAL;
1196
1197 ts = &task->task_status;
1198 device = task->dev;
1199 sas_dev = device->lldd_dev;
1200
1201 spin_lock_irqsave(&task->task_state_lock, flags);
1202 task->task_state_flags &=
1203 ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
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",
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",
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",
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",
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",
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",
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",
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",
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 return ts->stat;
1262 goto out;
1263 }
1264
1265 switch (task->task_proto) {
1266 case SAS_PROTOCOL_SSP:
1267 {
1268 struct hisi_sas_status_buffer *status_buffer =
1269 hisi_sas_status_buf_addr_mem(slot);
1270 struct ssp_response_iu *iu = (struct ssp_response_iu *)
1271 &status_buffer->iu[0];
1272
1273 sas_ssp_task_response(dev, task, iu);
1274 break;
1275 }
1276 case SAS_PROTOCOL_SMP:
1277 {
1278 struct scatterlist *sg_resp = &task->smp_task.smp_resp;
1279 void *to = page_address(sg_page(sg_resp));
1280
1281 ts->stat = SAM_STAT_GOOD;
1282
1283 dma_unmap_sg(dev, &task->smp_task.smp_req, 1,
1284 DMA_TO_DEVICE);
1285 memcpy(to + sg_resp->offset,
1286 hisi_sas_status_buf_addr_mem(slot) +
1287 sizeof(struct hisi_sas_err_record),
1288 sg_resp->length);
1289 break;
1290 }
1291 case SAS_PROTOCOL_SATA:
1292 case SAS_PROTOCOL_STP:
1293 case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1294 dev_err(dev, "slot complete: SATA/STP not supported");
1295 break;
1296
1297 default:
1298 ts->stat = SAM_STAT_CHECK_CONDITION;
1299 break;
1300 }
1301
1302 if (!slot->port->port_attached) {
1303 dev_err(dev, "slot complete: port %d has removed\n",
1304 slot->port->sas_port.id);
1305 ts->stat = SAS_PHY_DOWN;
1306 }
1307
1308 out:
1309 hisi_sas_slot_task_free(hisi_hba, task, slot);
1310 sts = ts->stat;
1311
1312 if (task->task_done)
1313 task->task_done(task);
1314
1315 return sts;
1316 }
1317
1318
1319 static irqreturn_t int_phyup_v1_hw(int irq_no, void *p)
1320 {
1321 struct hisi_sas_phy *phy = p;
1322 struct hisi_hba *hisi_hba = phy->hisi_hba;
1323 struct device *dev = hisi_hba->dev;
1324 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1325 int i, phy_no = sas_phy->id;
1326 u32 irq_value, context, port_id, link_rate;
1327 u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
1328 struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd;
1329 irqreturn_t res = IRQ_HANDLED;
1330 unsigned long flags;
1331
1332 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1333 if (!(irq_value & CHL_INT2_SL_PHY_ENA_MSK)) {
1334 dev_dbg(dev, "phyup: irq_value = %x not set enable bit\n",
1335 irq_value);
1336 res = IRQ_NONE;
1337 goto end;
1338 }
1339
1340 context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
1341 if (context & 1 << phy_no) {
1342 dev_err(dev, "phyup: phy%d SATA attached equipment\n",
1343 phy_no);
1344 goto end;
1345 }
1346
1347 port_id = (hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA) >> (4 * phy_no))
1348 & 0xf;
1349 if (port_id == 0xf) {
1350 dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
1351 res = IRQ_NONE;
1352 goto end;
1353 }
1354
1355 for (i = 0; i < 6; i++) {
1356 u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
1357 RX_IDAF_DWORD0 + (i * 4));
1358 frame_rcvd[i] = __swab32(idaf);
1359 }
1360
1361
1362 link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
1363 link_rate = (link_rate >> (phy_no * 4)) & 0xf;
1364 sas_phy->linkrate = link_rate;
1365 sas_phy->oob_mode = SAS_OOB_MODE;
1366 memcpy(sas_phy->attached_sas_addr,
1367 &id->sas_addr, SAS_ADDR_SIZE);
1368 dev_info(dev, "phyup: phy%d link_rate=%d\n",
1369 phy_no, link_rate);
1370 phy->port_id = port_id;
1371 phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
1372 phy->phy_type |= PORT_TYPE_SAS;
1373 phy->phy_attached = 1;
1374 phy->identify.device_type = id->dev_type;
1375 phy->frame_rcvd_size = sizeof(struct sas_identify_frame);
1376 if (phy->identify.device_type == SAS_END_DEVICE)
1377 phy->identify.target_port_protocols =
1378 SAS_PROTOCOL_SSP;
1379 else if (phy->identify.device_type != SAS_PHY_UNUSED)
1380 phy->identify.target_port_protocols =
1381 SAS_PROTOCOL_SMP;
1382 hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP);
1383
1384 spin_lock_irqsave(&phy->lock, flags);
1385 if (phy->reset_completion) {
1386 phy->in_reset = 0;
1387 complete(phy->reset_completion);
1388 }
1389 spin_unlock_irqrestore(&phy->lock, flags);
1390
1391 end:
1392 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1393 CHL_INT2_SL_PHY_ENA_MSK);
1394
1395 if (irq_value & CHL_INT2_SL_PHY_ENA_MSK) {
1396 u32 chl_int0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1397
1398 chl_int0 &= ~CHL_INT0_PHYCTRL_NOTRDY_MSK;
1399 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, chl_int0);
1400 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3ce3ee);
1401 }
1402
1403 return res;
1404 }
1405
1406 static irqreturn_t int_bcast_v1_hw(int irq, void *p)
1407 {
1408 struct hisi_sas_phy *phy = p;
1409 struct hisi_hba *hisi_hba = phy->hisi_hba;
1410 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1411 struct sas_ha_struct *sha = &hisi_hba->sha;
1412 struct device *dev = hisi_hba->dev;
1413 int phy_no = sas_phy->id;
1414 u32 irq_value;
1415 irqreturn_t res = IRQ_HANDLED;
1416
1417 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1418
1419 if (!(irq_value & CHL_INT2_SL_RX_BC_ACK_MSK)) {
1420 dev_err(dev, "bcast: irq_value = %x not set enable bit",
1421 irq_value);
1422 res = IRQ_NONE;
1423 goto end;
1424 }
1425
1426 if (!test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags))
1427 sha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
1428
1429 end:
1430 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1431 CHL_INT2_SL_RX_BC_ACK_MSK);
1432
1433 return res;
1434 }
1435
1436 static irqreturn_t int_abnormal_v1_hw(int irq, void *p)
1437 {
1438 struct hisi_sas_phy *phy = p;
1439 struct hisi_hba *hisi_hba = phy->hisi_hba;
1440 struct device *dev = hisi_hba->dev;
1441 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1442 u32 irq_value, irq_mask_old;
1443 int phy_no = sas_phy->id;
1444
1445
1446 irq_mask_old = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0_MSK);
1447 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3fffff);
1448
1449
1450 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1451
1452 if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK) {
1453 u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
1454
1455 hisi_sas_phy_down(hisi_hba, phy_no,
1456 (phy_state & 1 << phy_no) ? 1 : 0);
1457 }
1458
1459 if (irq_value & CHL_INT0_ID_TIMEOUT_MSK)
1460 dev_dbg(dev, "abnormal: ID_TIMEOUT phy%d identify timeout\n",
1461 phy_no);
1462
1463 if (irq_value & CHL_INT0_DWS_LOST_MSK)
1464 dev_dbg(dev, "abnormal: DWS_LOST phy%d dws lost\n", phy_no);
1465
1466 if (irq_value & CHL_INT0_SN_FAIL_NGR_MSK)
1467 dev_dbg(dev, "abnormal: SN_FAIL_NGR phy%d sn fail ngr\n",
1468 phy_no);
1469
1470 if (irq_value & CHL_INT0_SL_IDAF_FAIL_MSK ||
1471 irq_value & CHL_INT0_SL_OPAF_FAIL_MSK)
1472 dev_dbg(dev, "abnormal: SL_ID/OPAF_FAIL phy%d check adr frm err\n",
1473 phy_no);
1474
1475 if (irq_value & CHL_INT0_SL_PS_FAIL_OFF)
1476 dev_dbg(dev, "abnormal: SL_PS_FAIL phy%d fail\n", phy_no);
1477
1478
1479 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, irq_value);
1480
1481 if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK)
1482 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1483 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1484 else
1485 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1486 irq_mask_old);
1487
1488 return IRQ_HANDLED;
1489 }
1490
1491 static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
1492 {
1493 struct hisi_sas_cq *cq = p;
1494 struct hisi_hba *hisi_hba = cq->hisi_hba;
1495 struct hisi_sas_slot *slot;
1496 int queue = cq->id;
1497 struct hisi_sas_complete_v1_hdr *complete_queue =
1498 (struct hisi_sas_complete_v1_hdr *)
1499 hisi_hba->complete_hdr[queue];
1500 u32 rd_point = cq->rd_point, wr_point;
1501
1502 spin_lock(&hisi_hba->lock);
1503 hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
1504 wr_point = hisi_sas_read32(hisi_hba,
1505 COMPL_Q_0_WR_PTR + (0x14 * queue));
1506
1507 while (rd_point != wr_point) {
1508 struct hisi_sas_complete_v1_hdr *complete_hdr;
1509 int idx;
1510 u32 cmplt_hdr_data;
1511
1512 complete_hdr = &complete_queue[rd_point];
1513 cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
1514 idx = (cmplt_hdr_data & CMPLT_HDR_IPTT_MSK) >>
1515 CMPLT_HDR_IPTT_OFF;
1516 slot = &hisi_hba->slot_info[idx];
1517
1518
1519
1520
1521
1522 slot->cmplt_queue_slot = rd_point;
1523 slot->cmplt_queue = queue;
1524 slot_complete_v1_hw(hisi_hba, slot);
1525
1526 if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
1527 rd_point = 0;
1528 }
1529
1530
1531 cq->rd_point = rd_point;
1532 hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
1533 spin_unlock(&hisi_hba->lock);
1534
1535 return IRQ_HANDLED;
1536 }
1537
1538 static irqreturn_t fatal_ecc_int_v1_hw(int irq, void *p)
1539 {
1540 struct hisi_hba *hisi_hba = p;
1541 struct device *dev = hisi_hba->dev;
1542 u32 ecc_int = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
1543
1544 if (ecc_int & SAS_ECC_INTR_DQ_ECC1B_MSK) {
1545 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1546
1547 panic("%s: Fatal DQ 1b ECC interrupt (0x%x)\n",
1548 dev_name(dev), ecc_err);
1549 }
1550
1551 if (ecc_int & SAS_ECC_INTR_DQ_ECCBAD_MSK) {
1552 u32 addr = (hisi_sas_read32(hisi_hba, HGC_DQ_ECC_ADDR) &
1553 HGC_DQ_ECC_ADDR_BAD_MSK) >>
1554 HGC_DQ_ECC_ADDR_BAD_OFF;
1555
1556 panic("%s: Fatal DQ RAM ECC interrupt @ 0x%08x\n",
1557 dev_name(dev), addr);
1558 }
1559
1560 if (ecc_int & SAS_ECC_INTR_IOST_ECC1B_MSK) {
1561 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1562
1563 panic("%s: Fatal IOST 1b ECC interrupt (0x%x)\n",
1564 dev_name(dev), ecc_err);
1565 }
1566
1567 if (ecc_int & SAS_ECC_INTR_IOST_ECCBAD_MSK) {
1568 u32 addr = (hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR) &
1569 HGC_IOST_ECC_ADDR_BAD_MSK) >>
1570 HGC_IOST_ECC_ADDR_BAD_OFF;
1571
1572 panic("%s: Fatal IOST RAM ECC interrupt @ 0x%08x\n",
1573 dev_name(dev), addr);
1574 }
1575
1576 if (ecc_int & SAS_ECC_INTR_ITCT_ECCBAD_MSK) {
1577 u32 addr = (hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR) &
1578 HGC_ITCT_ECC_ADDR_BAD_MSK) >>
1579 HGC_ITCT_ECC_ADDR_BAD_OFF;
1580
1581 panic("%s: Fatal TCT RAM ECC interrupt @ 0x%08x\n",
1582 dev_name(dev), addr);
1583 }
1584
1585 if (ecc_int & SAS_ECC_INTR_ITCT_ECC1B_MSK) {
1586 u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1587
1588 panic("%s: Fatal ITCT 1b ECC interrupt (0x%x)\n",
1589 dev_name(dev), ecc_err);
1590 }
1591
1592 hisi_sas_write32(hisi_hba, SAS_ECC_INTR, ecc_int | 0x3f);
1593
1594 return IRQ_HANDLED;
1595 }
1596
1597 static irqreturn_t fatal_axi_int_v1_hw(int irq, void *p)
1598 {
1599 struct hisi_hba *hisi_hba = p;
1600 struct device *dev = hisi_hba->dev;
1601 u32 axi_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC2);
1602 u32 axi_info = hisi_sas_read32(hisi_hba, HGC_AXI_FIFO_ERR_INFO);
1603
1604 if (axi_int & ENT_INT_SRC2_DQ_CFG_ERR_MSK)
1605 panic("%s: Fatal DQ_CFG_ERR interrupt (0x%x)\n",
1606 dev_name(dev), axi_info);
1607
1608 if (axi_int & ENT_INT_SRC2_CQ_CFG_ERR_MSK)
1609 panic("%s: Fatal CQ_CFG_ERR interrupt (0x%x)\n",
1610 dev_name(dev), axi_info);
1611
1612 if (axi_int & ENT_INT_SRC2_AXI_WRONG_INT_MSK)
1613 panic("%s: Fatal AXI_WRONG_INT interrupt (0x%x)\n",
1614 dev_name(dev), axi_info);
1615
1616 if (axi_int & ENT_INT_SRC2_AXI_OVERLF_INT_MSK)
1617 panic("%s: Fatal AXI_OVERLF_INT incorrect interrupt (0x%x)\n",
1618 dev_name(dev), axi_info);
1619
1620 hisi_sas_write32(hisi_hba, ENT_INT_SRC2, axi_int | 0x30000000);
1621
1622 return IRQ_HANDLED;
1623 }
1624
1625 static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
1626 int_bcast_v1_hw,
1627 int_phyup_v1_hw,
1628 int_abnormal_v1_hw
1629 };
1630
1631 static irq_handler_t fatal_interrupts[HISI_SAS_MAX_QUEUES] = {
1632 fatal_ecc_int_v1_hw,
1633 fatal_axi_int_v1_hw
1634 };
1635
1636 static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
1637 {
1638 struct platform_device *pdev = hisi_hba->platform_dev;
1639 struct device *dev = &pdev->dev;
1640 int i, j, irq, rc, idx;
1641
1642 for (i = 0; i < hisi_hba->n_phy; i++) {
1643 struct hisi_sas_phy *phy = &hisi_hba->phy[i];
1644
1645 idx = i * HISI_SAS_PHY_INT_NR;
1646 for (j = 0; j < HISI_SAS_PHY_INT_NR; j++, idx++) {
1647 irq = platform_get_irq(pdev, idx);
1648 if (!irq) {
1649 dev_err(dev, "irq init: fail map phy interrupt %d\n",
1650 idx);
1651 return -ENOENT;
1652 }
1653
1654 rc = devm_request_irq(dev, irq, phy_interrupts[j], 0,
1655 DRV_NAME " phy", phy);
1656 if (rc) {
1657 dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n",
1658 irq, rc);
1659 return -ENOENT;
1660 }
1661 }
1662 }
1663
1664 idx = hisi_hba->n_phy * HISI_SAS_PHY_INT_NR;
1665 for (i = 0; i < hisi_hba->queue_count; i++, idx++) {
1666 irq = platform_get_irq(pdev, idx);
1667 if (!irq) {
1668 dev_err(dev, "irq init: could not map cq interrupt %d\n",
1669 idx);
1670 return -ENOENT;
1671 }
1672
1673 rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0,
1674 DRV_NAME " cq", &hisi_hba->cq[i]);
1675 if (rc) {
1676 dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
1677 irq, rc);
1678 return -ENOENT;
1679 }
1680 }
1681
1682 idx = (hisi_hba->n_phy * HISI_SAS_PHY_INT_NR) + hisi_hba->queue_count;
1683 for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++, idx++) {
1684 irq = platform_get_irq(pdev, idx);
1685 if (!irq) {
1686 dev_err(dev, "irq init: could not map fatal interrupt %d\n",
1687 idx);
1688 return -ENOENT;
1689 }
1690
1691 rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
1692 DRV_NAME " fatal", hisi_hba);
1693 if (rc) {
1694 dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n",
1695 irq, rc);
1696 return -ENOENT;
1697 }
1698 }
1699
1700 hisi_hba->cq_nvecs = hisi_hba->queue_count;
1701
1702 return 0;
1703 }
1704
1705 static int interrupt_openall_v1_hw(struct hisi_hba *hisi_hba)
1706 {
1707 int i;
1708 u32 val;
1709
1710 for (i = 0; i < hisi_hba->n_phy; i++) {
1711
1712 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT0);
1713 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, val);
1714 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT1);
1715 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, val);
1716 val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT2);
1717 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, val);
1718
1719
1720 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK, 0x3ce3ee);
1721 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0x17fff);
1722 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8000012a);
1723
1724
1725 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK,
1726 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1727 }
1728
1729 return 0;
1730 }
1731
1732 static int hisi_sas_v1_init(struct hisi_hba *hisi_hba)
1733 {
1734 int rc;
1735
1736 rc = hw_init_v1_hw(hisi_hba);
1737 if (rc)
1738 return rc;
1739
1740 rc = interrupt_init_v1_hw(hisi_hba);
1741 if (rc)
1742 return rc;
1743
1744 rc = interrupt_openall_v1_hw(hisi_hba);
1745 if (rc)
1746 return rc;
1747
1748 return 0;
1749 }
1750
1751 static struct device_attribute *host_attrs_v1_hw[] = {
1752 &dev_attr_phy_event_threshold,
1753 NULL
1754 };
1755
1756 static struct scsi_host_template sht_v1_hw = {
1757 .name = DRV_NAME,
1758 .module = THIS_MODULE,
1759 .queuecommand = sas_queuecommand,
1760 .target_alloc = sas_target_alloc,
1761 .slave_configure = hisi_sas_slave_configure,
1762 .scan_finished = hisi_sas_scan_finished,
1763 .scan_start = hisi_sas_scan_start,
1764 .change_queue_depth = sas_change_queue_depth,
1765 .bios_param = sas_bios_param,
1766 .this_id = -1,
1767 .sg_tablesize = HISI_SAS_SGE_PAGE_CNT,
1768 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
1769 .eh_device_reset_handler = sas_eh_device_reset_handler,
1770 .eh_target_reset_handler = sas_eh_target_reset_handler,
1771 .target_destroy = sas_target_destroy,
1772 .ioctl = sas_ioctl,
1773 .shost_attrs = host_attrs_v1_hw,
1774 .host_reset = hisi_sas_host_reset,
1775 };
1776
1777 static const struct hisi_sas_hw hisi_sas_v1_hw = {
1778 .hw_init = hisi_sas_v1_init,
1779 .setup_itct = setup_itct_v1_hw,
1780 .sl_notify_ssp = sl_notify_ssp_v1_hw,
1781 .clear_itct = clear_itct_v1_hw,
1782 .prep_smp = prep_smp_v1_hw,
1783 .prep_ssp = prep_ssp_v1_hw,
1784 .start_delivery = start_delivery_v1_hw,
1785 .phys_init = phys_init_v1_hw,
1786 .phy_start = start_phy_v1_hw,
1787 .phy_disable = disable_phy_v1_hw,
1788 .phy_hard_reset = phy_hard_reset_v1_hw,
1789 .phy_set_linkrate = phy_set_linkrate_v1_hw,
1790 .phy_get_max_linkrate = phy_get_max_linkrate_v1_hw,
1791 .get_wideport_bitmap = get_wideport_bitmap_v1_hw,
1792 .complete_hdr_size = sizeof(struct hisi_sas_complete_v1_hdr),
1793 .sht = &sht_v1_hw,
1794 };
1795
1796 static int hisi_sas_v1_probe(struct platform_device *pdev)
1797 {
1798 return hisi_sas_probe(pdev, &hisi_sas_v1_hw);
1799 }
1800
1801 static int hisi_sas_v1_remove(struct platform_device *pdev)
1802 {
1803 return hisi_sas_remove(pdev);
1804 }
1805
1806 static const struct of_device_id sas_v1_of_match[] = {
1807 { .compatible = "hisilicon,hip05-sas-v1",},
1808 {},
1809 };
1810 MODULE_DEVICE_TABLE(of, sas_v1_of_match);
1811
1812 static const struct acpi_device_id sas_v1_acpi_match[] = {
1813 { "HISI0161", 0 },
1814 { }
1815 };
1816
1817 MODULE_DEVICE_TABLE(acpi, sas_v1_acpi_match);
1818
1819 static struct platform_driver hisi_sas_v1_driver = {
1820 .probe = hisi_sas_v1_probe,
1821 .remove = hisi_sas_v1_remove,
1822 .driver = {
1823 .name = DRV_NAME,
1824 .of_match_table = sas_v1_of_match,
1825 .acpi_match_table = ACPI_PTR(sas_v1_acpi_match),
1826 },
1827 };
1828
1829 module_platform_driver(hisi_sas_v1_driver);
1830
1831 MODULE_LICENSE("GPL");
1832 MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
1833 MODULE_DESCRIPTION("HISILICON SAS controller v1 hw driver");
1834 MODULE_ALIAS("platform:" DRV_NAME);