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
282struct hisi_sas_complete_v1_hdr {
283 __le32 data;
284};
285
286struct 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
300enum {
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
307enum {
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
412static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
413{
414 void __iomem *regs = hisi_hba->regs + off;
415
416 return readl(addr: regs);
417}
418
419static 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, addr: regs);
425}
426
427static 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, addr: regs);
433}
434
435static 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(addr: regs);
441}
442
443static 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, val: cfg);
450}
451
452static 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, val: cfg);
458}
459
460static 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
490static 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
534static 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, val: 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, val: 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
558static 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, phy_no: i, PHY_CTRL);
567
568 phy_ctrl |= PHY_CTRL_RESET_MSK;
569 hisi_sas_phy_write32(hisi_hba, phy_no: i, PHY_CTRL, val: phy_ctrl);
570 }
571 msleep(msecs: 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(m: 1000);
578
579 while (1) {
580 dma_tx_status = hisi_sas_phy_read32(hisi_hba, phy_no: i,
581 DMA_TX_STATUS);
582 dma_rx_status = hisi_sas_phy_read32(hisi_hba, phy_no: 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(msecs: 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(m: 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(msecs: 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), pathname: "_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(map: hisi_hba->ctrl, reg: hisi_hba->ctrl_reset_reg,
621 RESET_VALUE);
622 regmap_write(map: hisi_hba->ctrl, reg: hisi_hba->ctrl_clock_ena_reg + 4,
623 RESET_VALUE);
624 msleep(msecs: 1);
625 regmap_read(map: hisi_hba->ctrl, reg: hisi_hba->ctrl_reset_sts_reg, val: &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(map: hisi_hba->ctrl, reg: hisi_hba->ctrl_reset_reg + 4,
634 RESET_VALUE);
635 regmap_write(map: hisi_hba->ctrl, reg: hisi_hba->ctrl_clock_ena_reg,
636 RESET_VALUE);
637 msleep(msecs: 1);
638 regmap_read(map: hisi_hba->ctrl, reg: hisi_hba->ctrl_reset_sts_reg, val: &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
651static 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 val: (u32)((1ULL << hisi_hba->queue_count) - 1));
658 hisi_sas_write32(hisi_hba, HGC_TRANS_TASK_CNT_LIMIT, val: 0x11);
659 hisi_sas_write32(hisi_hba, DEVICE_MSG_WORK_MODE, val: 0x1);
660 hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, val: 0x1ff);
661 hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, val: 0x401);
662 hisi_sas_write32(hisi_hba, CFG_1US_TIMER_TRSH, val: 0x64);
663 hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, val: 0x1);
664 hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, val: 0x64);
665 hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, val: 0x2710);
666 hisi_sas_write32(hisi_hba, REJECT_TO_OPEN_LIMIT_TIME, val: 0x1);
667 hisi_sas_write32(hisi_hba, CFG_AGING_TIME, val: 0x7a12);
668 hisi_sas_write32(hisi_hba, HGC_DFX_CFG2, val: 0x9c40);
669 hisi_sas_write32(hisi_hba, FIS_LIST_BADDR_L, val: 0x2);
670 hisi_sas_write32(hisi_hba, INT_COAL_EN, val: 0xc);
671 hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, val: 0x186a0);
672 hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, val: 1);
673 hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, val: 0x1);
674 hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, val: 0x1);
675 hisi_sas_write32(hisi_hba, OQ_INT_SRC, val: 0xffffffff);
676 hisi_sas_write32(hisi_hba, OQ_INT_SRC_MSK, val: 0);
677 hisi_sas_write32(hisi_hba, ENT_INT_SRC1, val: 0xffffffff);
678 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, val: 0);
679 hisi_sas_write32(hisi_hba, ENT_INT_SRC2, val: 0xffffffff);
680 hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, val: 0);
681 hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, val: 0);
682 hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, val: 0x2);
683 hisi_sas_write32(hisi_hba, CFG_SAS_CONFIG, val: 0x22000000);
684
685 for (i = 0; i < hisi_hba->n_phy; i++) {
686 hisi_sas_phy_write32(hisi_hba, phy_no: i, PROG_PHY_LINK_RATE, val: 0x88a);
687 hisi_sas_phy_write32(hisi_hba, phy_no: i, PHY_CONFIG2, val: 0x7c080);
688 hisi_sas_phy_write32(hisi_hba, phy_no: i, PHY_RATE_NEGO, val: 0x415ee00);
689 hisi_sas_phy_write32(hisi_hba, phy_no: i, PHY_PCN, val: 0x80a80000);
690 hisi_sas_phy_write32(hisi_hba, phy_no: i, SL_TOUT_CFG, val: 0x7d7d7d7d);
691 hisi_sas_phy_write32(hisi_hba, phy_no: i, DONE_RECEIVED_TIME, val: 0x0);
692 hisi_sas_phy_write32(hisi_hba, phy_no: i, RXOP_CHECK_CFG_H, val: 0x1000);
693 hisi_sas_phy_write32(hisi_hba, phy_no: i, DONE_RECEIVED_TIME, val: 0);
694 hisi_sas_phy_write32(hisi_hba, phy_no: i, CON_CFG_DRIVER, val: 0x13f0a);
695 hisi_sas_phy_write32(hisi_hba, phy_no: i, CHL_INT_COAL_EN, val: 3);
696 hisi_sas_phy_write32(hisi_hba, phy_no: i, DONE_RECEIVED_TIME, val: 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
748static 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(msecs: 100);
760 init_reg_v1_hw(hisi_hba);
761
762 return 0;
763}
764
765static 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, val: cfg);
771}
772
773static 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, val: cfg);
779}
780
781static 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
789static void phy_hard_reset_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
790{
791 hisi_sas_phy_enable(hisi_hba, phy_no, enable: 0);
792 msleep(msecs: 100);
793 hisi_sas_phy_enable(hisi_hba, phy_no, enable: 1);
794}
795
796static 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, phy_no: i, CHL_INT2_MSK, val: 0x12a);
803 hisi_sas_phy_enable(hisi_hba, phy_no: i, enable: 1);
804 }
805}
806
807static 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, phy_no: i, CHL_INT2_MSK, val: 0x6a);
814 hisi_sas_phy_read32(hisi_hba, phy_no: i, CHL_INT2_MSK);
815 }
816
817 timer_setup(timer, start_phys_v1_hw, 0);
818 mod_timer(timer, expires: jiffies + HZ);
819}
820
821static 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, val: sl_control);
828 msleep(msecs: 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, val: sl_control);
832}
833
834static enum sas_linkrate phy_get_max_linkrate_v1_hw(void)
835{
836 return SAS_LINK_RATE_6_0_GBPS;
837}
838
839static 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 val: prog_phy_link_rate);
848}
849
850static 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 */
863static 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(entry: &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), val: wp);
887}
888
889static 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
913static 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
951static 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, scatter: task->scatter,
1013 n_elem: 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 */
1045static 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
1173static 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(lock: &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(dev: device) && task->ata_task.use_ncq)
1257 sas_ata_device_link_abort(dev: device, force_reset: 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
1307out:
1308 hisi_sas_slot_task_free(hisi_hba, task, slot, need_lock: true);
1309
1310 if (task->task_done)
1311 task->task_done(task);
1312}
1313
1314/* Interrupts */
1315static 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, event: HISI_PHYE_PHY_UP);
1378end:
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, val: chl_int0);
1389 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, val: 0x3ce3ee);
1390 }
1391
1392 return res;
1393}
1394
1395static 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
1416end:
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
1423static 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, val: 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 rdy: (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, val: 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 val: 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1472 else
1473 hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
1474 val: irq_mask_old);
1475
1476 return IRQ_HANDLED;
1477}
1478
1479static 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(lock: &hisi_hba->lock);
1491 hisi_sas_write32(hisi_hba, OQ_INT_SRC, val: 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), val: rd_point);
1521 spin_unlock(lock: &hisi_hba->lock);
1522
1523 return IRQ_HANDLED;
1524}
1525
1526static 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(fmt: "%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(fmt: "%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(fmt: "%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(fmt: "%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(fmt: "%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(fmt: "%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, val: ecc_int | 0x3f);
1581
1582 return IRQ_HANDLED;
1583}
1584
1585static 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(fmt: "%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(fmt: "%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(fmt: "%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(fmt: "%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, val: axi_int | 0x30000000);
1609
1610 return IRQ_HANDLED;
1611}
1612
1613static 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
1619static irq_handler_t fatal_interrupts[HISI_SAS_MAX_QUEUES] = {
1620 fatal_ecc_int_v1_hw,
1621 fatal_axi_int_v1_hw
1622};
1623
1624static 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, handler: phy_interrupts[j], irqflags: 0,
1640 DRV_NAME " phy", dev_id: 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, handler: cq_interrupt_v1_hw, irqflags: 0,
1656 DRV_NAME " cq", dev_id: &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, handler: fatal_interrupts[i], irqflags: 0,
1671 DRV_NAME " fatal", dev_id: 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
1684static 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, phy_no: i, CHL_INT0);
1692 hisi_sas_phy_write32(hisi_hba, phy_no: i, CHL_INT0, val);
1693 val = hisi_sas_phy_read32(hisi_hba, phy_no: i, CHL_INT1);
1694 hisi_sas_phy_write32(hisi_hba, phy_no: i, CHL_INT1, val);
1695 val = hisi_sas_phy_read32(hisi_hba, phy_no: i, CHL_INT2);
1696 hisi_sas_phy_write32(hisi_hba, phy_no: i, CHL_INT2, val);
1697
1698 /* Unmask interrupt */
1699 hisi_sas_phy_write32(hisi_hba, phy_no: i, CHL_INT0_MSK, val: 0x3ce3ee);
1700 hisi_sas_phy_write32(hisi_hba, phy_no: i, CHL_INT1_MSK, val: 0x17fff);
1701 hisi_sas_phy_write32(hisi_hba, phy_no: i, CHL_INT2_MSK, val: 0x8000012a);
1702
1703 /* bypass chip bug mask abnormal intr */
1704 hisi_sas_phy_write32(hisi_hba, phy_no: i, CHL_INT0_MSK,
1705 val: 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
1706 }
1707
1708 return 0;
1709}
1710
1711static 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
1730static struct attribute *host_v1_hw_attrs[] = {
1731 &dev_attr_phy_event_threshold.attr,
1732 NULL
1733};
1734
1735ATTRIBUTE_GROUPS(host_v1_hw);
1736
1737static 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
1764static 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
1783static int hisi_sas_v1_probe(struct platform_device *pdev)
1784{
1785 return hisi_sas_probe(pdev, ops: &hisi_sas_v1_hw);
1786}
1787
1788static const struct of_device_id sas_v1_of_match[] = {
1789 { .compatible = "hisilicon,hip05-sas-v1",},
1790 {},
1791};
1792MODULE_DEVICE_TABLE(of, sas_v1_of_match);
1793
1794static const struct acpi_device_id sas_v1_acpi_match[] = {
1795 { "HISI0161", 0 },
1796 { }
1797};
1798
1799MODULE_DEVICE_TABLE(acpi, sas_v1_acpi_match);
1800
1801static 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
1811module_platform_driver(hisi_sas_v1_driver);
1812
1813MODULE_LICENSE("GPL");
1814MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
1815MODULE_DESCRIPTION("HISILICON SAS controller v1 hw driver");
1816MODULE_ALIAS("platform:" DRV_NAME);
1817

source code of linux/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c