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 
hisi_sas_read32(struct hisi_hba * hisi_hba,u32 off)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 
hisi_sas_write32(struct hisi_hba * hisi_hba,u32 off,u32 val)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 
hisi_sas_phy_write32(struct hisi_hba * hisi_hba,int phy_no,u32 off,u32 val)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 
hisi_sas_phy_read32(struct hisi_hba * hisi_hba,int phy_no,u32 off)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 
config_phy_opt_mode_v1_hw(struct hisi_hba * hisi_hba,int phy_no)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 
config_tx_tfe_autoneg_v1_hw(struct hisi_hba * hisi_hba,int phy_no)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 
config_id_frame_v1_hw(struct hisi_hba * hisi_hba,int phy_no)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 
setup_itct_v1_hw(struct hisi_hba * hisi_hba,struct hisi_sas_device * sas_dev)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 
clear_itct_v1_hw(struct hisi_hba * hisi_hba,struct hisi_sas_device * sas_dev)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 
reset_hw_v1_hw(struct hisi_hba * hisi_hba)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 
init_reg_v1_hw(struct hisi_hba * hisi_hba)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 
hw_init_v1_hw(struct hisi_hba * hisi_hba)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 
enable_phy_v1_hw(struct hisi_hba * hisi_hba,int phy_no)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 
disable_phy_v1_hw(struct hisi_hba * hisi_hba,int phy_no)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 
start_phy_v1_hw(struct hisi_hba * hisi_hba,int phy_no)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 
phy_hard_reset_v1_hw(struct hisi_hba * hisi_hba,int phy_no)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 
start_phys_v1_hw(struct timer_list * t)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 
phys_init_v1_hw(struct hisi_hba * hisi_hba)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 
sl_notify_ssp_v1_hw(struct hisi_hba * hisi_hba,int phy_no)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 
phy_get_max_linkrate_v1_hw(void)834 static enum sas_linkrate phy_get_max_linkrate_v1_hw(void)
835 {
836 	return SAS_LINK_RATE_6_0_GBPS;
837 }
838 
phy_set_linkrate_v1_hw(struct hisi_hba * hisi_hba,int phy_no,struct sas_phy_linkrates * r)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 
get_wideport_bitmap_v1_hw(struct hisi_hba * hisi_hba,int port_id)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 */
start_delivery_v1_hw(struct hisi_sas_dq * dq)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 
prep_prd_sge_v1_hw(struct hisi_hba * hisi_hba,struct hisi_sas_slot * slot,struct hisi_sas_cmd_hdr * hdr,struct scatterlist * scatter,int n_elem)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 
prep_smp_v1_hw(struct hisi_hba * hisi_hba,struct hisi_sas_slot * slot)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 
prep_ssp_v1_hw(struct hisi_hba * hisi_hba,struct hisi_sas_slot * slot)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;
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 	hdr->dw2 = cpu_to_le32(dw2);
1022 
1023 	memcpy(buf_cmd, &task->ssp_task.LUN, 8);
1024 	if (!tmf) {
1025 		buf_cmd[9] = task->ssp_task.task_attr;
1026 		memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd,
1027 				task->ssp_task.cmd->cmd_len);
1028 	} else {
1029 		buf_cmd[10] = tmf->tmf;
1030 		switch (tmf->tmf) {
1031 		case TMF_ABORT_TASK:
1032 		case TMF_QUERY_TASK:
1033 			buf_cmd[12] =
1034 				(tmf->tag_of_task_to_be_managed >> 8) & 0xff;
1035 			buf_cmd[13] =
1036 				tmf->tag_of_task_to_be_managed & 0xff;
1037 			break;
1038 		default:
1039 			break;
1040 		}
1041 	}
1042 }
1043 
1044 /* by default, task resp is complete */
slot_err_v1_hw(struct hisi_hba * hisi_hba,struct sas_task * task,struct hisi_sas_slot * slot)1045 static void slot_err_v1_hw(struct hisi_hba *hisi_hba,
1046 			   struct sas_task *task,
1047 			   struct hisi_sas_slot *slot)
1048 {
1049 	struct task_status_struct *ts = &task->task_status;
1050 	struct hisi_sas_err_record_v1 *err_record =
1051 			hisi_sas_status_buf_addr_mem(slot);
1052 	struct device *dev = hisi_hba->dev;
1053 
1054 	switch (task->task_proto) {
1055 	case SAS_PROTOCOL_SSP:
1056 	{
1057 		int error = -1;
1058 		u32 dma_err_type = le32_to_cpu(err_record->dma_err_type);
1059 		u32 dma_tx_err_type = ((dma_err_type &
1060 					ERR_HDR_DMA_TX_ERR_TYPE_MSK)) >>
1061 					ERR_HDR_DMA_TX_ERR_TYPE_OFF;
1062 		u32 dma_rx_err_type = ((dma_err_type &
1063 					ERR_HDR_DMA_RX_ERR_TYPE_MSK)) >>
1064 					ERR_HDR_DMA_RX_ERR_TYPE_OFF;
1065 		u32 trans_tx_fail_type =
1066 				le32_to_cpu(err_record->trans_tx_fail_type);
1067 		u32 trans_rx_fail_type =
1068 				le32_to_cpu(err_record->trans_rx_fail_type);
1069 
1070 		if (dma_tx_err_type) {
1071 			/* dma tx err */
1072 			error = ffs(dma_tx_err_type)
1073 				- 1 + DMA_TX_ERR_BASE;
1074 		} else if (dma_rx_err_type) {
1075 			/* dma rx err */
1076 			error = ffs(dma_rx_err_type)
1077 				- 1 + DMA_RX_ERR_BASE;
1078 		} else if (trans_tx_fail_type) {
1079 			/* trans tx err */
1080 			error = ffs(trans_tx_fail_type)
1081 				- 1 + TRANS_TX_FAIL_BASE;
1082 		} else if (trans_rx_fail_type) {
1083 			/* trans rx err */
1084 			error = ffs(trans_rx_fail_type)
1085 				- 1 + TRANS_RX_FAIL_BASE;
1086 		}
1087 
1088 		switch (error) {
1089 		case DMA_TX_DATA_UNDERFLOW_ERR:
1090 		case DMA_RX_DATA_UNDERFLOW_ERR:
1091 		{
1092 			ts->residual = 0;
1093 			ts->stat = SAS_DATA_UNDERRUN;
1094 			break;
1095 		}
1096 		case DMA_TX_DATA_SGL_OVERFLOW_ERR:
1097 		case DMA_TX_DIF_SGL_OVERFLOW_ERR:
1098 		case DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR:
1099 		case DMA_RX_DATA_OVERFLOW_ERR:
1100 		case TRANS_RX_FRAME_OVERRUN_ERR:
1101 		case TRANS_RX_LINK_BUF_OVERRUN_ERR:
1102 		{
1103 			ts->stat = SAS_DATA_OVERRUN;
1104 			ts->residual = 0;
1105 			break;
1106 		}
1107 		case TRANS_TX_PHY_NOT_ENABLE_ERR:
1108 		{
1109 			ts->stat = SAS_PHY_DOWN;
1110 			break;
1111 		}
1112 		case TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR:
1113 		case TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR:
1114 		case TRANS_TX_OPEN_REJCT_BY_OTHER_ERR:
1115 		case TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR:
1116 		case TRANS_TX_OPEN_REJCT_STP_BUSY_ERR:
1117 		case TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR:
1118 		case TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR:
1119 		case TRANS_TX_OPEN_REJCT_BAD_DEST_ERR:
1120 		case TRANS_TX_OPEN_BREAK_RECEIVE_ERR:
1121 		case TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR:
1122 		case TRANS_TX_OPEN_REJCT_NO_DEST_ERR:
1123 		case TRANS_TX_OPEN_RETRY_ERR:
1124 		{
1125 			ts->stat = SAS_OPEN_REJECT;
1126 			ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1127 			break;
1128 		}
1129 		case TRANS_TX_OPEN_TIMEOUT_ERR:
1130 		{
1131 			ts->stat = SAS_OPEN_TO;
1132 			break;
1133 		}
1134 		case TRANS_TX_NAK_RECEIVE_ERR:
1135 		case TRANS_TX_ACK_NAK_TIMEOUT_ERR:
1136 		{
1137 			ts->stat = SAS_NAK_R_ERR;
1138 			break;
1139 		}
1140 		case TRANS_TX_CREDIT_TIMEOUT_ERR:
1141 		case TRANS_TX_CLOSE_NORMAL_ERR:
1142 		{
1143 			/* This will request a retry */
1144 			ts->stat = SAS_QUEUE_FULL;
1145 			slot->abort = 1;
1146 			break;
1147 		}
1148 		default:
1149 		{
1150 			ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
1151 			break;
1152 		}
1153 		}
1154 	}
1155 		break;
1156 	case SAS_PROTOCOL_SMP:
1157 		ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
1158 		break;
1159 
1160 	case SAS_PROTOCOL_SATA:
1161 	case SAS_PROTOCOL_STP:
1162 	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1163 	{
1164 		dev_err(dev, "slot err: SATA/STP not supported\n");
1165 	}
1166 		break;
1167 	default:
1168 		break;
1169 	}
1170 
1171 }
1172 
slot_complete_v1_hw(struct hisi_hba * hisi_hba,struct hisi_sas_slot * slot)1173 static void slot_complete_v1_hw(struct hisi_hba *hisi_hba,
1174 				struct hisi_sas_slot *slot)
1175 {
1176 	struct sas_task *task = slot->task;
1177 	struct hisi_sas_device *sas_dev;
1178 	struct device *dev = hisi_hba->dev;
1179 	struct task_status_struct *ts;
1180 	struct domain_device *device;
1181 	struct hisi_sas_complete_v1_hdr *complete_queue =
1182 			hisi_hba->complete_hdr[slot->cmplt_queue];
1183 	struct hisi_sas_complete_v1_hdr *complete_hdr;
1184 	unsigned long flags;
1185 	u32 cmplt_hdr_data;
1186 
1187 	complete_hdr = &complete_queue[slot->cmplt_queue_slot];
1188 	cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
1189 
1190 	if (unlikely(!task || !task->lldd_task || !task->dev))
1191 		return;
1192 
1193 	ts = &task->task_status;
1194 	device = task->dev;
1195 	sas_dev = device->lldd_dev;
1196 
1197 	spin_lock_irqsave(&task->task_state_lock, flags);
1198 	task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1199 	task->task_state_flags |= SAS_TASK_STATE_DONE;
1200 	spin_unlock_irqrestore(&task->task_state_lock, flags);
1201 
1202 	memset(ts, 0, sizeof(*ts));
1203 	ts->resp = SAS_TASK_COMPLETE;
1204 
1205 	if (unlikely(!sas_dev)) {
1206 		dev_dbg(dev, "slot complete: port has no device\n");
1207 		ts->stat = SAS_PHY_DOWN;
1208 		goto out;
1209 	}
1210 
1211 	if (cmplt_hdr_data & CMPLT_HDR_IO_CFG_ERR_MSK) {
1212 		u32 info_reg = hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO);
1213 
1214 		if (info_reg & HGC_INVLD_DQE_INFO_DQ_MSK)
1215 			dev_err(dev, "slot complete: [%d:%d] has dq IPTT err\n",
1216 				slot->cmplt_queue, slot->cmplt_queue_slot);
1217 
1218 		if (info_reg & HGC_INVLD_DQE_INFO_TYPE_MSK)
1219 			dev_err(dev, "slot complete: [%d:%d] has dq type err\n",
1220 				slot->cmplt_queue, slot->cmplt_queue_slot);
1221 
1222 		if (info_reg & HGC_INVLD_DQE_INFO_FORCE_MSK)
1223 			dev_err(dev, "slot complete: [%d:%d] has dq force phy err\n",
1224 				slot->cmplt_queue, slot->cmplt_queue_slot);
1225 
1226 		if (info_reg & HGC_INVLD_DQE_INFO_PHY_MSK)
1227 			dev_err(dev, "slot complete: [%d:%d] has dq phy id err\n",
1228 				slot->cmplt_queue, slot->cmplt_queue_slot);
1229 
1230 		if (info_reg & HGC_INVLD_DQE_INFO_ABORT_MSK)
1231 			dev_err(dev, "slot complete: [%d:%d] has dq abort flag err\n",
1232 				slot->cmplt_queue, slot->cmplt_queue_slot);
1233 
1234 		if (info_reg & HGC_INVLD_DQE_INFO_IPTT_OF_MSK)
1235 			dev_err(dev, "slot complete: [%d:%d] has dq IPTT or ICT err\n",
1236 				slot->cmplt_queue, slot->cmplt_queue_slot);
1237 
1238 		if (info_reg & HGC_INVLD_DQE_INFO_SSP_ERR_MSK)
1239 			dev_err(dev, "slot complete: [%d:%d] has dq SSP frame type err\n",
1240 				slot->cmplt_queue, slot->cmplt_queue_slot);
1241 
1242 		if (info_reg & HGC_INVLD_DQE_INFO_OFL_MSK)
1243 			dev_err(dev, "slot complete: [%d:%d] has dq order frame len err\n",
1244 				slot->cmplt_queue, slot->cmplt_queue_slot);
1245 
1246 		ts->stat = SAS_OPEN_REJECT;
1247 		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1248 		goto out;
1249 	}
1250 
1251 	if (cmplt_hdr_data & CMPLT_HDR_ERR_RCRD_XFRD_MSK &&
1252 		!(cmplt_hdr_data & CMPLT_HDR_RSPNS_XFRD_MSK)) {
1253 
1254 		slot_err_v1_hw(hisi_hba, task, slot);
1255 		if (unlikely(slot->abort)) {
1256 			if (dev_is_sata(device) && task->ata_task.use_ncq)
1257 				sas_ata_device_link_abort(device, true);
1258 			else
1259 				sas_task_abort(task);
1260 
1261 			return;
1262 		}
1263 		goto out;
1264 	}
1265 
1266 	switch (task->task_proto) {
1267 	case SAS_PROTOCOL_SSP:
1268 	{
1269 		struct hisi_sas_status_buffer *status_buffer =
1270 				hisi_sas_status_buf_addr_mem(slot);
1271 		struct ssp_response_iu *iu = (struct ssp_response_iu *)
1272 				&status_buffer->iu[0];
1273 
1274 		sas_ssp_task_response(dev, task, iu);
1275 		break;
1276 	}
1277 	case SAS_PROTOCOL_SMP:
1278 	{
1279 		struct scatterlist *sg_resp = &task->smp_task.smp_resp;
1280 		void *to = page_address(sg_page(sg_resp));
1281 
1282 		ts->stat = SAS_SAM_STAT_GOOD;
1283 
1284 		memcpy(to + sg_resp->offset,
1285 		       hisi_sas_status_buf_addr_mem(slot) +
1286 		       sizeof(struct hisi_sas_err_record),
1287 		       sg_resp->length);
1288 		break;
1289 	}
1290 	case SAS_PROTOCOL_SATA:
1291 	case SAS_PROTOCOL_STP:
1292 	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
1293 		dev_err(dev, "slot complete: SATA/STP not supported\n");
1294 		break;
1295 
1296 	default:
1297 		ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
1298 		break;
1299 	}
1300 
1301 	if (!slot->port->port_attached) {
1302 		dev_err(dev, "slot complete: port %d has removed\n",
1303 			slot->port->sas_port.id);
1304 		ts->stat = SAS_PHY_DOWN;
1305 	}
1306 
1307 out:
1308 	hisi_sas_slot_task_free(hisi_hba, task, slot, true);
1309 
1310 	if (task->task_done)
1311 		task->task_done(task);
1312 }
1313 
1314 /* Interrupts */
int_phyup_v1_hw(int irq_no,void * p)1315 static irqreturn_t int_phyup_v1_hw(int irq_no, void *p)
1316 {
1317 	struct hisi_sas_phy *phy = p;
1318 	struct hisi_hba *hisi_hba = phy->hisi_hba;
1319 	struct device *dev = hisi_hba->dev;
1320 	struct asd_sas_phy *sas_phy = &phy->sas_phy;
1321 	int i, phy_no = sas_phy->id;
1322 	u32 irq_value, context, port_id, link_rate;
1323 	u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
1324 	struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd;
1325 	irqreturn_t res = IRQ_HANDLED;
1326 
1327 	irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1328 	if (!(irq_value & CHL_INT2_SL_PHY_ENA_MSK)) {
1329 		dev_dbg(dev, "phyup: irq_value = %x not set enable bit\n",
1330 			irq_value);
1331 		res = IRQ_NONE;
1332 		goto end;
1333 	}
1334 
1335 	context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
1336 	if (context & 1 << phy_no) {
1337 		dev_err(dev, "phyup: phy%d SATA attached equipment\n",
1338 			phy_no);
1339 		goto end;
1340 	}
1341 
1342 	port_id = (hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA) >> (4 * phy_no))
1343 		  & 0xf;
1344 	if (port_id == 0xf) {
1345 		dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
1346 		res = IRQ_NONE;
1347 		goto end;
1348 	}
1349 
1350 	for (i = 0; i < 6; i++) {
1351 		u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
1352 					RX_IDAF_DWORD0 + (i * 4));
1353 		frame_rcvd[i] = __swab32(idaf);
1354 	}
1355 
1356 	/* Get the linkrate */
1357 	link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
1358 	link_rate = (link_rate >> (phy_no * 4)) & 0xf;
1359 	sas_phy->linkrate = link_rate;
1360 	sas_phy->oob_mode = SAS_OOB_MODE;
1361 	memcpy(sas_phy->attached_sas_addr,
1362 		&id->sas_addr, SAS_ADDR_SIZE);
1363 	dev_info(dev, "phyup: phy%d link_rate=%d\n",
1364 		 phy_no, link_rate);
1365 	phy->port_id = port_id;
1366 	phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
1367 	phy->phy_type |= PORT_TYPE_SAS;
1368 	phy->phy_attached = 1;
1369 	phy->identify.device_type = id->dev_type;
1370 	phy->frame_rcvd_size =	sizeof(struct sas_identify_frame);
1371 	if (phy->identify.device_type == SAS_END_DEVICE)
1372 		phy->identify.target_port_protocols =
1373 			SAS_PROTOCOL_SSP;
1374 	else if (phy->identify.device_type != SAS_PHY_UNUSED)
1375 		phy->identify.target_port_protocols =
1376 			SAS_PROTOCOL_SMP;
1377 	hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP);
1378 end:
1379 	if (phy->reset_completion)
1380 		complete(phy->reset_completion);
1381 	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1382 			     CHL_INT2_SL_PHY_ENA_MSK);
1383 
1384 	if (irq_value & CHL_INT2_SL_PHY_ENA_MSK) {
1385 		u32 chl_int0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1386 
1387 		chl_int0 &= ~CHL_INT0_PHYCTRL_NOTRDY_MSK;
1388 		hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, chl_int0);
1389 		hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3ce3ee);
1390 	}
1391 
1392 	return res;
1393 }
1394 
int_bcast_v1_hw(int irq,void * p)1395 static irqreturn_t int_bcast_v1_hw(int irq, void *p)
1396 {
1397 	struct hisi_sas_phy *phy = p;
1398 	struct hisi_hba *hisi_hba = phy->hisi_hba;
1399 	struct asd_sas_phy *sas_phy = &phy->sas_phy;
1400 	struct device *dev = hisi_hba->dev;
1401 	int phy_no = sas_phy->id;
1402 	u32 irq_value;
1403 	irqreturn_t res = IRQ_HANDLED;
1404 
1405 	irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
1406 
1407 	if (!(irq_value & CHL_INT2_SL_RX_BC_ACK_MSK)) {
1408 		dev_err(dev, "bcast: irq_value = %x not set enable bit\n",
1409 			irq_value);
1410 		res = IRQ_NONE;
1411 		goto end;
1412 	}
1413 
1414 	hisi_sas_phy_bcast(phy);
1415 
1416 end:
1417 	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
1418 			     CHL_INT2_SL_RX_BC_ACK_MSK);
1419 
1420 	return res;
1421 }
1422 
int_abnormal_v1_hw(int irq,void * p)1423 static irqreturn_t int_abnormal_v1_hw(int irq, void *p)
1424 {
1425 	struct hisi_sas_phy *phy = p;
1426 	struct hisi_hba *hisi_hba = phy->hisi_hba;
1427 	struct device *dev = hisi_hba->dev;
1428 	struct asd_sas_phy *sas_phy = &phy->sas_phy;
1429 	u32 irq_value, irq_mask_old;
1430 	int phy_no = sas_phy->id;
1431 
1432 	/* mask_int0 */
1433 	irq_mask_old = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0_MSK);
1434 	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3fffff);
1435 
1436 	/* read int0 */
1437 	irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
1438 
1439 	if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK) {
1440 		u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
1441 
1442 		hisi_sas_phy_down(hisi_hba, phy_no,
1443 				  (phy_state & 1 << phy_no) ? 1 : 0,
1444 				  GFP_ATOMIC);
1445 	}
1446 
1447 	if (irq_value & CHL_INT0_ID_TIMEOUT_MSK)
1448 		dev_dbg(dev, "abnormal: ID_TIMEOUT phy%d identify timeout\n",
1449 			phy_no);
1450 
1451 	if (irq_value & CHL_INT0_DWS_LOST_MSK)
1452 		dev_dbg(dev, "abnormal: DWS_LOST phy%d dws lost\n", phy_no);
1453 
1454 	if (irq_value & CHL_INT0_SN_FAIL_NGR_MSK)
1455 		dev_dbg(dev, "abnormal: SN_FAIL_NGR phy%d sn fail ngr\n",
1456 			phy_no);
1457 
1458 	if (irq_value & CHL_INT0_SL_IDAF_FAIL_MSK ||
1459 		irq_value & CHL_INT0_SL_OPAF_FAIL_MSK)
1460 		dev_dbg(dev, "abnormal: SL_ID/OPAF_FAIL phy%d check adr frm err\n",
1461 			phy_no);
1462 
1463 	if (irq_value & CHL_INT0_SL_PS_FAIL_OFF)
1464 		dev_dbg(dev, "abnormal: SL_PS_FAIL phy%d fail\n", phy_no);
1465 
1466 	/* write to zero */
1467 	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, irq_value);
1468 
1469 	if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK)
1470 		hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1471 				0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1472 	else
1473 		hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1474 				irq_mask_old);
1475 
1476 	return IRQ_HANDLED;
1477 }
1478 
cq_interrupt_v1_hw(int irq,void * p)1479 static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
1480 {
1481 	struct hisi_sas_cq *cq = p;
1482 	struct hisi_hba *hisi_hba = cq->hisi_hba;
1483 	struct hisi_sas_slot *slot;
1484 	int queue = cq->id;
1485 	struct hisi_sas_complete_v1_hdr *complete_queue =
1486 			(struct hisi_sas_complete_v1_hdr *)
1487 			hisi_hba->complete_hdr[queue];
1488 	u32 rd_point = cq->rd_point, wr_point;
1489 
1490 	spin_lock(&hisi_hba->lock);
1491 	hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
1492 	wr_point = hisi_sas_read32(hisi_hba,
1493 			COMPL_Q_0_WR_PTR + (0x14 * queue));
1494 
1495 	while (rd_point != wr_point) {
1496 		struct hisi_sas_complete_v1_hdr *complete_hdr;
1497 		int idx;
1498 		u32 cmplt_hdr_data;
1499 
1500 		complete_hdr = &complete_queue[rd_point];
1501 		cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
1502 		idx = (cmplt_hdr_data & CMPLT_HDR_IPTT_MSK) >>
1503 		      CMPLT_HDR_IPTT_OFF;
1504 		slot = &hisi_hba->slot_info[idx];
1505 
1506 		/* The completion queue and queue slot index are not
1507 		 * necessarily the same as the delivery queue and
1508 		 * queue slot index.
1509 		 */
1510 		slot->cmplt_queue_slot = rd_point;
1511 		slot->cmplt_queue = queue;
1512 		slot_complete_v1_hw(hisi_hba, slot);
1513 
1514 		if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
1515 			rd_point = 0;
1516 	}
1517 
1518 	/* update rd_point */
1519 	cq->rd_point = rd_point;
1520 	hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
1521 	spin_unlock(&hisi_hba->lock);
1522 
1523 	return IRQ_HANDLED;
1524 }
1525 
fatal_ecc_int_v1_hw(int irq,void * p)1526 static irqreturn_t fatal_ecc_int_v1_hw(int irq, void *p)
1527 {
1528 	struct hisi_hba *hisi_hba = p;
1529 	struct device *dev = hisi_hba->dev;
1530 	u32 ecc_int = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
1531 
1532 	if (ecc_int & SAS_ECC_INTR_DQ_ECC1B_MSK) {
1533 		u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1534 
1535 		panic("%s: Fatal DQ 1b ECC interrupt (0x%x)\n",
1536 		      dev_name(dev), ecc_err);
1537 	}
1538 
1539 	if (ecc_int & SAS_ECC_INTR_DQ_ECCBAD_MSK) {
1540 		u32 addr = (hisi_sas_read32(hisi_hba, HGC_DQ_ECC_ADDR) &
1541 				HGC_DQ_ECC_ADDR_BAD_MSK) >>
1542 				HGC_DQ_ECC_ADDR_BAD_OFF;
1543 
1544 		panic("%s: Fatal DQ RAM ECC interrupt @ 0x%08x\n",
1545 		      dev_name(dev), addr);
1546 	}
1547 
1548 	if (ecc_int & SAS_ECC_INTR_IOST_ECC1B_MSK) {
1549 		u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1550 
1551 		panic("%s: Fatal IOST 1b ECC interrupt (0x%x)\n",
1552 		      dev_name(dev), ecc_err);
1553 	}
1554 
1555 	if (ecc_int & SAS_ECC_INTR_IOST_ECCBAD_MSK) {
1556 		u32 addr = (hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR) &
1557 				HGC_IOST_ECC_ADDR_BAD_MSK) >>
1558 				HGC_IOST_ECC_ADDR_BAD_OFF;
1559 
1560 		panic("%s: Fatal IOST RAM ECC interrupt @ 0x%08x\n",
1561 		      dev_name(dev), addr);
1562 	}
1563 
1564 	if (ecc_int & SAS_ECC_INTR_ITCT_ECCBAD_MSK) {
1565 		u32 addr = (hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR) &
1566 				HGC_ITCT_ECC_ADDR_BAD_MSK) >>
1567 				HGC_ITCT_ECC_ADDR_BAD_OFF;
1568 
1569 		panic("%s: Fatal TCT RAM ECC interrupt @ 0x%08x\n",
1570 		      dev_name(dev), addr);
1571 	}
1572 
1573 	if (ecc_int & SAS_ECC_INTR_ITCT_ECC1B_MSK) {
1574 		u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
1575 
1576 		panic("%s: Fatal ITCT 1b ECC interrupt (0x%x)\n",
1577 		      dev_name(dev), ecc_err);
1578 	}
1579 
1580 	hisi_sas_write32(hisi_hba, SAS_ECC_INTR, ecc_int | 0x3f);
1581 
1582 	return IRQ_HANDLED;
1583 }
1584 
fatal_axi_int_v1_hw(int irq,void * p)1585 static irqreturn_t fatal_axi_int_v1_hw(int irq, void *p)
1586 {
1587 	struct hisi_hba *hisi_hba = p;
1588 	struct device *dev = hisi_hba->dev;
1589 	u32 axi_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC2);
1590 	u32 axi_info = hisi_sas_read32(hisi_hba, HGC_AXI_FIFO_ERR_INFO);
1591 
1592 	if (axi_int & ENT_INT_SRC2_DQ_CFG_ERR_MSK)
1593 		panic("%s: Fatal DQ_CFG_ERR interrupt (0x%x)\n",
1594 		      dev_name(dev), axi_info);
1595 
1596 	if (axi_int & ENT_INT_SRC2_CQ_CFG_ERR_MSK)
1597 		panic("%s: Fatal CQ_CFG_ERR interrupt (0x%x)\n",
1598 		      dev_name(dev), axi_info);
1599 
1600 	if (axi_int & ENT_INT_SRC2_AXI_WRONG_INT_MSK)
1601 		panic("%s: Fatal AXI_WRONG_INT interrupt (0x%x)\n",
1602 		      dev_name(dev), axi_info);
1603 
1604 	if (axi_int & ENT_INT_SRC2_AXI_OVERLF_INT_MSK)
1605 		panic("%s: Fatal AXI_OVERLF_INT incorrect interrupt (0x%x)\n",
1606 		      dev_name(dev), axi_info);
1607 
1608 	hisi_sas_write32(hisi_hba, ENT_INT_SRC2, axi_int | 0x30000000);
1609 
1610 	return IRQ_HANDLED;
1611 }
1612 
1613 static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
1614 	int_bcast_v1_hw,
1615 	int_phyup_v1_hw,
1616 	int_abnormal_v1_hw
1617 };
1618 
1619 static irq_handler_t fatal_interrupts[HISI_SAS_MAX_QUEUES] = {
1620 	fatal_ecc_int_v1_hw,
1621 	fatal_axi_int_v1_hw
1622 };
1623 
interrupt_init_v1_hw(struct hisi_hba * hisi_hba)1624 static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
1625 {
1626 	struct platform_device *pdev = hisi_hba->platform_dev;
1627 	struct device *dev = &pdev->dev;
1628 	int i, j, irq, rc, idx;
1629 
1630 	for (i = 0; i < hisi_hba->n_phy; i++) {
1631 		struct hisi_sas_phy *phy = &hisi_hba->phy[i];
1632 
1633 		idx = i * HISI_SAS_PHY_INT_NR;
1634 		for (j = 0; j < HISI_SAS_PHY_INT_NR; j++, idx++) {
1635 			irq = platform_get_irq(pdev, idx);
1636 			if (irq < 0)
1637 				return irq;
1638 
1639 			rc = devm_request_irq(dev, irq, phy_interrupts[j], 0,
1640 					      DRV_NAME " phy", phy);
1641 			if (rc) {
1642 				dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n",
1643 					irq, rc);
1644 				return rc;
1645 			}
1646 		}
1647 	}
1648 
1649 	idx = hisi_hba->n_phy * HISI_SAS_PHY_INT_NR;
1650 	for (i = 0; i < hisi_hba->queue_count; i++, idx++) {
1651 		irq = platform_get_irq(pdev, idx);
1652 		if (irq < 0)
1653 			return irq;
1654 
1655 		rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0,
1656 				      DRV_NAME " cq", &hisi_hba->cq[i]);
1657 		if (rc) {
1658 			dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
1659 				irq, rc);
1660 			return rc;
1661 		}
1662 	}
1663 
1664 	idx = (hisi_hba->n_phy * HISI_SAS_PHY_INT_NR) + hisi_hba->queue_count;
1665 	for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++, idx++) {
1666 		irq = platform_get_irq(pdev, idx);
1667 		if (irq < 0)
1668 			return irq;
1669 
1670 		rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
1671 				      DRV_NAME " fatal", hisi_hba);
1672 		if (rc) {
1673 			dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n",
1674 				irq, rc);
1675 			return rc;
1676 		}
1677 	}
1678 
1679 	hisi_hba->cq_nvecs = hisi_hba->queue_count;
1680 
1681 	return 0;
1682 }
1683 
interrupt_openall_v1_hw(struct hisi_hba * hisi_hba)1684 static int interrupt_openall_v1_hw(struct hisi_hba *hisi_hba)
1685 {
1686 	int i;
1687 	u32 val;
1688 
1689 	for (i = 0; i < hisi_hba->n_phy; i++) {
1690 		/* Clear interrupt status */
1691 		val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT0);
1692 		hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, val);
1693 		val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT1);
1694 		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, val);
1695 		val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT2);
1696 		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, val);
1697 
1698 		/* Unmask interrupt */
1699 		hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK, 0x3ce3ee);
1700 		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0x17fff);
1701 		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8000012a);
1702 
1703 		/* bypass chip bug mask abnormal intr */
1704 		hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK,
1705 				0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1706 	}
1707 
1708 	return 0;
1709 }
1710 
hisi_sas_v1_init(struct hisi_hba * hisi_hba)1711 static int hisi_sas_v1_init(struct hisi_hba *hisi_hba)
1712 {
1713 	int rc;
1714 
1715 	rc = hw_init_v1_hw(hisi_hba);
1716 	if (rc)
1717 		return rc;
1718 
1719 	rc = interrupt_init_v1_hw(hisi_hba);
1720 	if (rc)
1721 		return rc;
1722 
1723 	rc = interrupt_openall_v1_hw(hisi_hba);
1724 	if (rc)
1725 		return rc;
1726 
1727 	return 0;
1728 }
1729 
1730 static struct attribute *host_v1_hw_attrs[] = {
1731 	&dev_attr_phy_event_threshold.attr,
1732 	NULL
1733 };
1734 
1735 ATTRIBUTE_GROUPS(host_v1_hw);
1736 
1737 static const struct scsi_host_template sht_v1_hw = {
1738 	.name			= DRV_NAME,
1739 	.proc_name		= DRV_NAME,
1740 	.module			= THIS_MODULE,
1741 	.queuecommand		= sas_queuecommand,
1742 	.dma_need_drain		= ata_scsi_dma_need_drain,
1743 	.target_alloc		= sas_target_alloc,
1744 	.slave_configure	= hisi_sas_slave_configure,
1745 	.scan_finished		= hisi_sas_scan_finished,
1746 	.scan_start		= hisi_sas_scan_start,
1747 	.change_queue_depth	= sas_change_queue_depth,
1748 	.bios_param		= sas_bios_param,
1749 	.this_id		= -1,
1750 	.sg_tablesize		= HISI_SAS_SGE_PAGE_CNT,
1751 	.max_sectors		= SCSI_DEFAULT_MAX_SECTORS,
1752 	.eh_device_reset_handler = sas_eh_device_reset_handler,
1753 	.eh_target_reset_handler = sas_eh_target_reset_handler,
1754 	.slave_alloc		= hisi_sas_slave_alloc,
1755 	.target_destroy		= sas_target_destroy,
1756 	.ioctl			= sas_ioctl,
1757 #ifdef CONFIG_COMPAT
1758 	.compat_ioctl		= sas_ioctl,
1759 #endif
1760 	.shost_groups		= host_v1_hw_groups,
1761 	.host_reset             = hisi_sas_host_reset,
1762 };
1763 
1764 static const struct hisi_sas_hw hisi_sas_v1_hw = {
1765 	.hw_init = hisi_sas_v1_init,
1766 	.setup_itct = setup_itct_v1_hw,
1767 	.sl_notify_ssp = sl_notify_ssp_v1_hw,
1768 	.clear_itct = clear_itct_v1_hw,
1769 	.prep_smp = prep_smp_v1_hw,
1770 	.prep_ssp = prep_ssp_v1_hw,
1771 	.start_delivery = start_delivery_v1_hw,
1772 	.phys_init = phys_init_v1_hw,
1773 	.phy_start = start_phy_v1_hw,
1774 	.phy_disable = disable_phy_v1_hw,
1775 	.phy_hard_reset = phy_hard_reset_v1_hw,
1776 	.phy_set_linkrate = phy_set_linkrate_v1_hw,
1777 	.phy_get_max_linkrate = phy_get_max_linkrate_v1_hw,
1778 	.get_wideport_bitmap = get_wideport_bitmap_v1_hw,
1779 	.complete_hdr_size = sizeof(struct hisi_sas_complete_v1_hdr),
1780 	.sht = &sht_v1_hw,
1781 };
1782 
hisi_sas_v1_probe(struct platform_device * pdev)1783 static int hisi_sas_v1_probe(struct platform_device *pdev)
1784 {
1785 	return hisi_sas_probe(pdev, &hisi_sas_v1_hw);
1786 }
1787 
1788 static const struct of_device_id sas_v1_of_match[] = {
1789 	{ .compatible = "hisilicon,hip05-sas-v1",},
1790 	{},
1791 };
1792 MODULE_DEVICE_TABLE(of, sas_v1_of_match);
1793 
1794 static const struct acpi_device_id sas_v1_acpi_match[] = {
1795 	{ "HISI0161", 0 },
1796 	{ }
1797 };
1798 
1799 MODULE_DEVICE_TABLE(acpi, sas_v1_acpi_match);
1800 
1801 static struct platform_driver hisi_sas_v1_driver = {
1802 	.probe = hisi_sas_v1_probe,
1803 	.remove_new = hisi_sas_remove,
1804 	.driver = {
1805 		.name = DRV_NAME,
1806 		.of_match_table = sas_v1_of_match,
1807 		.acpi_match_table = ACPI_PTR(sas_v1_acpi_match),
1808 	},
1809 };
1810 
1811 module_platform_driver(hisi_sas_v1_driver);
1812 
1813 MODULE_LICENSE("GPL");
1814 MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
1815 MODULE_DESCRIPTION("HISILICON SAS controller v1 hw driver");
1816 MODULE_ALIAS("platform:" DRV_NAME);
1817