1 // SPDX-License-Identifier: GPL-2.0
2 
3 /*
4  * Copyright 2016-2019 HabanaLabs, Ltd.
5  * All Rights Reserved.
6  */
7 
8 #include "goyaP.h"
9 #include "../include/hw_ip/mmu/mmu_general.h"
10 #include "../include/hw_ip/mmu/mmu_v1_0.h"
11 #include "../include/goya/asic_reg/goya_masks.h"
12 #include "../include/goya/goya_reg_map.h"
13 
14 #include <linux/pci.h>
15 #include <linux/hwmon.h>
16 #include <linux/iommu.h>
17 #include <linux/seq_file.h>
18 
19 /*
20  * GOYA security scheme:
21  *
22  * 1. Host is protected by:
23  *        - Range registers (When MMU is enabled, DMA RR does NOT protect host)
24  *        - MMU
25  *
26  * 2. DRAM is protected by:
27  *        - Range registers (protect the first 512MB)
28  *        - MMU (isolation between users)
29  *
30  * 3. Configuration is protected by:
31  *        - Range registers
32  *        - Protection bits
33  *
34  * When MMU is disabled:
35  *
36  * QMAN DMA: PQ, CQ, CP, DMA are secured.
37  * PQ, CB and the data are on the host.
38  *
39  * QMAN TPC/MME:
40  * PQ, CQ and CP are not secured.
41  * PQ, CB and the data are on the SRAM/DRAM.
42  *
43  * Since QMAN DMA is secured, the driver is parsing the DMA CB:
44  *     - checks DMA pointer
45  *     - WREG, MSG_PROT are not allowed.
46  *     - MSG_LONG/SHORT are allowed.
47  *
48  * A read/write transaction by the QMAN to a protected area will succeed if
49  * and only if the QMAN's CP is secured and MSG_PROT is used
50  *
51  *
52  * When MMU is enabled:
53  *
54  * QMAN DMA: PQ, CQ and CP are secured.
55  * MMU is set to bypass on the Secure props register of the QMAN.
56  * The reasons we don't enable MMU for PQ, CQ and CP are:
57  *     - PQ entry is in kernel address space and the driver doesn't map it.
58  *     - CP writes to MSIX register and to kernel address space (completion
59  *       queue).
60  *
61  * DMA is not secured but because CP is secured, the driver still needs to parse
62  * the CB, but doesn't need to check the DMA addresses.
63  *
64  * For QMAN DMA 0, DMA is also secured because only the driver uses this DMA and
65  * the driver doesn't map memory in MMU.
66  *
67  * QMAN TPC/MME: PQ, CQ and CP aren't secured (no change from MMU disabled mode)
68  *
69  * DMA RR does NOT protect host because DMA is not secured
70  *
71  */
72 
73 #define GOYA_BOOT_FIT_FILE	"habanalabs/goya/goya-boot-fit.itb"
74 #define GOYA_LINUX_FW_FILE	"habanalabs/goya/goya-fit.itb"
75 
76 #define GOYA_MMU_REGS_NUM		63
77 
78 #define GOYA_DMA_POOL_BLK_SIZE		0x100		/* 256 bytes */
79 
80 #define GOYA_RESET_TIMEOUT_MSEC		500		/* 500ms */
81 #define GOYA_PLDM_RESET_TIMEOUT_MSEC	20000		/* 20s */
82 #define GOYA_RESET_WAIT_MSEC		1		/* 1ms */
83 #define GOYA_CPU_RESET_WAIT_MSEC	100		/* 100ms */
84 #define GOYA_PLDM_RESET_WAIT_MSEC	1000		/* 1s */
85 #define GOYA_TEST_QUEUE_WAIT_USEC	100000		/* 100ms */
86 #define GOYA_PLDM_MMU_TIMEOUT_USEC	(MMU_CONFIG_TIMEOUT_USEC * 100)
87 #define GOYA_PLDM_QMAN0_TIMEOUT_USEC	(HL_DEVICE_TIMEOUT_USEC * 30)
88 #define GOYA_BOOT_FIT_REQ_TIMEOUT_USEC	1000000		/* 1s */
89 #define GOYA_MSG_TO_CPU_TIMEOUT_USEC	4000000		/* 4s */
90 #define GOYA_WAIT_FOR_BL_TIMEOUT_USEC	15000000	/* 15s */
91 
92 #define GOYA_QMAN0_FENCE_VAL		0xD169B243
93 
94 #define GOYA_MAX_STRING_LEN		20
95 
96 #define GOYA_CB_POOL_CB_CNT		512
97 #define GOYA_CB_POOL_CB_SIZE		0x20000		/* 128KB */
98 
99 #define IS_QM_IDLE(engine, qm_glbl_sts0) \
100 	(((qm_glbl_sts0) & engine##_QM_IDLE_MASK) == engine##_QM_IDLE_MASK)
101 #define IS_DMA_QM_IDLE(qm_glbl_sts0)	IS_QM_IDLE(DMA, qm_glbl_sts0)
102 #define IS_TPC_QM_IDLE(qm_glbl_sts0)	IS_QM_IDLE(TPC, qm_glbl_sts0)
103 #define IS_MME_QM_IDLE(qm_glbl_sts0)	IS_QM_IDLE(MME, qm_glbl_sts0)
104 
105 #define IS_CMDQ_IDLE(engine, cmdq_glbl_sts0) \
106 	(((cmdq_glbl_sts0) & engine##_CMDQ_IDLE_MASK) == \
107 			engine##_CMDQ_IDLE_MASK)
108 #define IS_TPC_CMDQ_IDLE(cmdq_glbl_sts0) \
109 	IS_CMDQ_IDLE(TPC, cmdq_glbl_sts0)
110 #define IS_MME_CMDQ_IDLE(cmdq_glbl_sts0) \
111 	IS_CMDQ_IDLE(MME, cmdq_glbl_sts0)
112 
113 #define IS_DMA_IDLE(dma_core_sts0) \
114 	!((dma_core_sts0) & DMA_CH_0_STS0_DMA_BUSY_MASK)
115 
116 #define IS_TPC_IDLE(tpc_cfg_sts) \
117 	(((tpc_cfg_sts) & TPC_CFG_IDLE_MASK) == TPC_CFG_IDLE_MASK)
118 
119 #define IS_MME_IDLE(mme_arch_sts) \
120 	(((mme_arch_sts) & MME_ARCH_IDLE_MASK) == MME_ARCH_IDLE_MASK)
121 
122 static const char goya_irq_name[GOYA_MSIX_ENTRIES][GOYA_MAX_STRING_LEN] = {
123 		"goya cq 0", "goya cq 1", "goya cq 2", "goya cq 3",
124 		"goya cq 4", "goya cpu eq"
125 };
126 
127 static u16 goya_packet_sizes[MAX_PACKET_ID] = {
128 	[PACKET_WREG_32]	= sizeof(struct packet_wreg32),
129 	[PACKET_WREG_BULK]	= sizeof(struct packet_wreg_bulk),
130 	[PACKET_MSG_LONG]	= sizeof(struct packet_msg_long),
131 	[PACKET_MSG_SHORT]	= sizeof(struct packet_msg_short),
132 	[PACKET_CP_DMA]		= sizeof(struct packet_cp_dma),
133 	[PACKET_MSG_PROT]	= sizeof(struct packet_msg_prot),
134 	[PACKET_FENCE]		= sizeof(struct packet_fence),
135 	[PACKET_LIN_DMA]	= sizeof(struct packet_lin_dma),
136 	[PACKET_NOP]		= sizeof(struct packet_nop),
137 	[PACKET_STOP]		= sizeof(struct packet_stop)
138 };
139 
validate_packet_id(enum packet_id id)140 static inline bool validate_packet_id(enum packet_id id)
141 {
142 	switch (id) {
143 	case PACKET_WREG_32:
144 	case PACKET_WREG_BULK:
145 	case PACKET_MSG_LONG:
146 	case PACKET_MSG_SHORT:
147 	case PACKET_CP_DMA:
148 	case PACKET_MSG_PROT:
149 	case PACKET_FENCE:
150 	case PACKET_LIN_DMA:
151 	case PACKET_NOP:
152 	case PACKET_STOP:
153 		return true;
154 	default:
155 		return false;
156 	}
157 }
158 
159 static u64 goya_mmu_regs[GOYA_MMU_REGS_NUM] = {
160 	mmDMA_QM_0_GLBL_NON_SECURE_PROPS,
161 	mmDMA_QM_1_GLBL_NON_SECURE_PROPS,
162 	mmDMA_QM_2_GLBL_NON_SECURE_PROPS,
163 	mmDMA_QM_3_GLBL_NON_SECURE_PROPS,
164 	mmDMA_QM_4_GLBL_NON_SECURE_PROPS,
165 	mmTPC0_QM_GLBL_SECURE_PROPS,
166 	mmTPC0_QM_GLBL_NON_SECURE_PROPS,
167 	mmTPC0_CMDQ_GLBL_SECURE_PROPS,
168 	mmTPC0_CMDQ_GLBL_NON_SECURE_PROPS,
169 	mmTPC0_CFG_ARUSER,
170 	mmTPC0_CFG_AWUSER,
171 	mmTPC1_QM_GLBL_SECURE_PROPS,
172 	mmTPC1_QM_GLBL_NON_SECURE_PROPS,
173 	mmTPC1_CMDQ_GLBL_SECURE_PROPS,
174 	mmTPC1_CMDQ_GLBL_NON_SECURE_PROPS,
175 	mmTPC1_CFG_ARUSER,
176 	mmTPC1_CFG_AWUSER,
177 	mmTPC2_QM_GLBL_SECURE_PROPS,
178 	mmTPC2_QM_GLBL_NON_SECURE_PROPS,
179 	mmTPC2_CMDQ_GLBL_SECURE_PROPS,
180 	mmTPC2_CMDQ_GLBL_NON_SECURE_PROPS,
181 	mmTPC2_CFG_ARUSER,
182 	mmTPC2_CFG_AWUSER,
183 	mmTPC3_QM_GLBL_SECURE_PROPS,
184 	mmTPC3_QM_GLBL_NON_SECURE_PROPS,
185 	mmTPC3_CMDQ_GLBL_SECURE_PROPS,
186 	mmTPC3_CMDQ_GLBL_NON_SECURE_PROPS,
187 	mmTPC3_CFG_ARUSER,
188 	mmTPC3_CFG_AWUSER,
189 	mmTPC4_QM_GLBL_SECURE_PROPS,
190 	mmTPC4_QM_GLBL_NON_SECURE_PROPS,
191 	mmTPC4_CMDQ_GLBL_SECURE_PROPS,
192 	mmTPC4_CMDQ_GLBL_NON_SECURE_PROPS,
193 	mmTPC4_CFG_ARUSER,
194 	mmTPC4_CFG_AWUSER,
195 	mmTPC5_QM_GLBL_SECURE_PROPS,
196 	mmTPC5_QM_GLBL_NON_SECURE_PROPS,
197 	mmTPC5_CMDQ_GLBL_SECURE_PROPS,
198 	mmTPC5_CMDQ_GLBL_NON_SECURE_PROPS,
199 	mmTPC5_CFG_ARUSER,
200 	mmTPC5_CFG_AWUSER,
201 	mmTPC6_QM_GLBL_SECURE_PROPS,
202 	mmTPC6_QM_GLBL_NON_SECURE_PROPS,
203 	mmTPC6_CMDQ_GLBL_SECURE_PROPS,
204 	mmTPC6_CMDQ_GLBL_NON_SECURE_PROPS,
205 	mmTPC6_CFG_ARUSER,
206 	mmTPC6_CFG_AWUSER,
207 	mmTPC7_QM_GLBL_SECURE_PROPS,
208 	mmTPC7_QM_GLBL_NON_SECURE_PROPS,
209 	mmTPC7_CMDQ_GLBL_SECURE_PROPS,
210 	mmTPC7_CMDQ_GLBL_NON_SECURE_PROPS,
211 	mmTPC7_CFG_ARUSER,
212 	mmTPC7_CFG_AWUSER,
213 	mmMME_QM_GLBL_SECURE_PROPS,
214 	mmMME_QM_GLBL_NON_SECURE_PROPS,
215 	mmMME_CMDQ_GLBL_SECURE_PROPS,
216 	mmMME_CMDQ_GLBL_NON_SECURE_PROPS,
217 	mmMME_SBA_CONTROL_DATA,
218 	mmMME_SBB_CONTROL_DATA,
219 	mmMME_SBC_CONTROL_DATA,
220 	mmMME_WBC_CONTROL_DATA,
221 	mmPCIE_WRAP_PSOC_ARUSER,
222 	mmPCIE_WRAP_PSOC_AWUSER
223 };
224 
225 static u32 goya_all_events[] = {
226 	GOYA_ASYNC_EVENT_ID_PCIE_IF,
227 	GOYA_ASYNC_EVENT_ID_TPC0_ECC,
228 	GOYA_ASYNC_EVENT_ID_TPC1_ECC,
229 	GOYA_ASYNC_EVENT_ID_TPC2_ECC,
230 	GOYA_ASYNC_EVENT_ID_TPC3_ECC,
231 	GOYA_ASYNC_EVENT_ID_TPC4_ECC,
232 	GOYA_ASYNC_EVENT_ID_TPC5_ECC,
233 	GOYA_ASYNC_EVENT_ID_TPC6_ECC,
234 	GOYA_ASYNC_EVENT_ID_TPC7_ECC,
235 	GOYA_ASYNC_EVENT_ID_MME_ECC,
236 	GOYA_ASYNC_EVENT_ID_MME_ECC_EXT,
237 	GOYA_ASYNC_EVENT_ID_MMU_ECC,
238 	GOYA_ASYNC_EVENT_ID_DMA_MACRO,
239 	GOYA_ASYNC_EVENT_ID_DMA_ECC,
240 	GOYA_ASYNC_EVENT_ID_CPU_IF_ECC,
241 	GOYA_ASYNC_EVENT_ID_PSOC_MEM,
242 	GOYA_ASYNC_EVENT_ID_PSOC_CORESIGHT,
243 	GOYA_ASYNC_EVENT_ID_SRAM0,
244 	GOYA_ASYNC_EVENT_ID_SRAM1,
245 	GOYA_ASYNC_EVENT_ID_SRAM2,
246 	GOYA_ASYNC_EVENT_ID_SRAM3,
247 	GOYA_ASYNC_EVENT_ID_SRAM4,
248 	GOYA_ASYNC_EVENT_ID_SRAM5,
249 	GOYA_ASYNC_EVENT_ID_SRAM6,
250 	GOYA_ASYNC_EVENT_ID_SRAM7,
251 	GOYA_ASYNC_EVENT_ID_SRAM8,
252 	GOYA_ASYNC_EVENT_ID_SRAM9,
253 	GOYA_ASYNC_EVENT_ID_SRAM10,
254 	GOYA_ASYNC_EVENT_ID_SRAM11,
255 	GOYA_ASYNC_EVENT_ID_SRAM12,
256 	GOYA_ASYNC_EVENT_ID_SRAM13,
257 	GOYA_ASYNC_EVENT_ID_SRAM14,
258 	GOYA_ASYNC_EVENT_ID_SRAM15,
259 	GOYA_ASYNC_EVENT_ID_SRAM16,
260 	GOYA_ASYNC_EVENT_ID_SRAM17,
261 	GOYA_ASYNC_EVENT_ID_SRAM18,
262 	GOYA_ASYNC_EVENT_ID_SRAM19,
263 	GOYA_ASYNC_EVENT_ID_SRAM20,
264 	GOYA_ASYNC_EVENT_ID_SRAM21,
265 	GOYA_ASYNC_EVENT_ID_SRAM22,
266 	GOYA_ASYNC_EVENT_ID_SRAM23,
267 	GOYA_ASYNC_EVENT_ID_SRAM24,
268 	GOYA_ASYNC_EVENT_ID_SRAM25,
269 	GOYA_ASYNC_EVENT_ID_SRAM26,
270 	GOYA_ASYNC_EVENT_ID_SRAM27,
271 	GOYA_ASYNC_EVENT_ID_SRAM28,
272 	GOYA_ASYNC_EVENT_ID_SRAM29,
273 	GOYA_ASYNC_EVENT_ID_GIC500,
274 	GOYA_ASYNC_EVENT_ID_PLL0,
275 	GOYA_ASYNC_EVENT_ID_PLL1,
276 	GOYA_ASYNC_EVENT_ID_PLL3,
277 	GOYA_ASYNC_EVENT_ID_PLL4,
278 	GOYA_ASYNC_EVENT_ID_PLL5,
279 	GOYA_ASYNC_EVENT_ID_PLL6,
280 	GOYA_ASYNC_EVENT_ID_AXI_ECC,
281 	GOYA_ASYNC_EVENT_ID_L2_RAM_ECC,
282 	GOYA_ASYNC_EVENT_ID_PSOC_GPIO_05_SW_RESET,
283 	GOYA_ASYNC_EVENT_ID_PSOC_GPIO_10_VRHOT_ICRIT,
284 	GOYA_ASYNC_EVENT_ID_PCIE_DEC,
285 	GOYA_ASYNC_EVENT_ID_TPC0_DEC,
286 	GOYA_ASYNC_EVENT_ID_TPC1_DEC,
287 	GOYA_ASYNC_EVENT_ID_TPC2_DEC,
288 	GOYA_ASYNC_EVENT_ID_TPC3_DEC,
289 	GOYA_ASYNC_EVENT_ID_TPC4_DEC,
290 	GOYA_ASYNC_EVENT_ID_TPC5_DEC,
291 	GOYA_ASYNC_EVENT_ID_TPC6_DEC,
292 	GOYA_ASYNC_EVENT_ID_TPC7_DEC,
293 	GOYA_ASYNC_EVENT_ID_MME_WACS,
294 	GOYA_ASYNC_EVENT_ID_MME_WACSD,
295 	GOYA_ASYNC_EVENT_ID_CPU_AXI_SPLITTER,
296 	GOYA_ASYNC_EVENT_ID_PSOC_AXI_DEC,
297 	GOYA_ASYNC_EVENT_ID_PSOC,
298 	GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR,
299 	GOYA_ASYNC_EVENT_ID_TPC1_KRN_ERR,
300 	GOYA_ASYNC_EVENT_ID_TPC2_KRN_ERR,
301 	GOYA_ASYNC_EVENT_ID_TPC3_KRN_ERR,
302 	GOYA_ASYNC_EVENT_ID_TPC4_KRN_ERR,
303 	GOYA_ASYNC_EVENT_ID_TPC5_KRN_ERR,
304 	GOYA_ASYNC_EVENT_ID_TPC6_KRN_ERR,
305 	GOYA_ASYNC_EVENT_ID_TPC7_KRN_ERR,
306 	GOYA_ASYNC_EVENT_ID_TPC0_CMDQ,
307 	GOYA_ASYNC_EVENT_ID_TPC1_CMDQ,
308 	GOYA_ASYNC_EVENT_ID_TPC2_CMDQ,
309 	GOYA_ASYNC_EVENT_ID_TPC3_CMDQ,
310 	GOYA_ASYNC_EVENT_ID_TPC4_CMDQ,
311 	GOYA_ASYNC_EVENT_ID_TPC5_CMDQ,
312 	GOYA_ASYNC_EVENT_ID_TPC6_CMDQ,
313 	GOYA_ASYNC_EVENT_ID_TPC7_CMDQ,
314 	GOYA_ASYNC_EVENT_ID_TPC0_QM,
315 	GOYA_ASYNC_EVENT_ID_TPC1_QM,
316 	GOYA_ASYNC_EVENT_ID_TPC2_QM,
317 	GOYA_ASYNC_EVENT_ID_TPC3_QM,
318 	GOYA_ASYNC_EVENT_ID_TPC4_QM,
319 	GOYA_ASYNC_EVENT_ID_TPC5_QM,
320 	GOYA_ASYNC_EVENT_ID_TPC6_QM,
321 	GOYA_ASYNC_EVENT_ID_TPC7_QM,
322 	GOYA_ASYNC_EVENT_ID_MME_QM,
323 	GOYA_ASYNC_EVENT_ID_MME_CMDQ,
324 	GOYA_ASYNC_EVENT_ID_DMA0_QM,
325 	GOYA_ASYNC_EVENT_ID_DMA1_QM,
326 	GOYA_ASYNC_EVENT_ID_DMA2_QM,
327 	GOYA_ASYNC_EVENT_ID_DMA3_QM,
328 	GOYA_ASYNC_EVENT_ID_DMA4_QM,
329 	GOYA_ASYNC_EVENT_ID_DMA0_CH,
330 	GOYA_ASYNC_EVENT_ID_DMA1_CH,
331 	GOYA_ASYNC_EVENT_ID_DMA2_CH,
332 	GOYA_ASYNC_EVENT_ID_DMA3_CH,
333 	GOYA_ASYNC_EVENT_ID_DMA4_CH,
334 	GOYA_ASYNC_EVENT_ID_TPC0_BMON_SPMU,
335 	GOYA_ASYNC_EVENT_ID_TPC1_BMON_SPMU,
336 	GOYA_ASYNC_EVENT_ID_TPC2_BMON_SPMU,
337 	GOYA_ASYNC_EVENT_ID_TPC3_BMON_SPMU,
338 	GOYA_ASYNC_EVENT_ID_TPC4_BMON_SPMU,
339 	GOYA_ASYNC_EVENT_ID_TPC5_BMON_SPMU,
340 	GOYA_ASYNC_EVENT_ID_TPC6_BMON_SPMU,
341 	GOYA_ASYNC_EVENT_ID_TPC7_BMON_SPMU,
342 	GOYA_ASYNC_EVENT_ID_DMA_BM_CH0,
343 	GOYA_ASYNC_EVENT_ID_DMA_BM_CH1,
344 	GOYA_ASYNC_EVENT_ID_DMA_BM_CH2,
345 	GOYA_ASYNC_EVENT_ID_DMA_BM_CH3,
346 	GOYA_ASYNC_EVENT_ID_DMA_BM_CH4,
347 	GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_S,
348 	GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_E,
349 	GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_S,
350 	GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_E
351 };
352 
353 static s64 goya_state_dump_specs_props[SP_MAX] = {0};
354 
355 static int goya_mmu_clear_pgt_range(struct hl_device *hdev);
356 static int goya_mmu_set_dram_default_page(struct hl_device *hdev);
357 static int goya_mmu_add_mappings_for_device_cpu(struct hl_device *hdev);
358 static void goya_mmu_prepare(struct hl_device *hdev, u32 asid);
359 
goya_set_fixed_properties(struct hl_device * hdev)360 int goya_set_fixed_properties(struct hl_device *hdev)
361 {
362 	struct asic_fixed_properties *prop = &hdev->asic_prop;
363 	int i;
364 
365 	prop->max_queues = GOYA_QUEUE_ID_SIZE;
366 	prop->hw_queues_props = kcalloc(prop->max_queues,
367 			sizeof(struct hw_queue_properties),
368 			GFP_KERNEL);
369 
370 	if (!prop->hw_queues_props)
371 		return -ENOMEM;
372 
373 	for (i = 0 ; i < NUMBER_OF_EXT_HW_QUEUES ; i++) {
374 		prop->hw_queues_props[i].type = QUEUE_TYPE_EXT;
375 		prop->hw_queues_props[i].driver_only = 0;
376 		prop->hw_queues_props[i].cb_alloc_flags = CB_ALLOC_KERNEL;
377 	}
378 
379 	for (; i < NUMBER_OF_EXT_HW_QUEUES + NUMBER_OF_CPU_HW_QUEUES ; i++) {
380 		prop->hw_queues_props[i].type = QUEUE_TYPE_CPU;
381 		prop->hw_queues_props[i].driver_only = 1;
382 		prop->hw_queues_props[i].cb_alloc_flags = CB_ALLOC_KERNEL;
383 	}
384 
385 	for (; i < NUMBER_OF_EXT_HW_QUEUES + NUMBER_OF_CPU_HW_QUEUES +
386 			NUMBER_OF_INT_HW_QUEUES; i++) {
387 		prop->hw_queues_props[i].type = QUEUE_TYPE_INT;
388 		prop->hw_queues_props[i].driver_only = 0;
389 		prop->hw_queues_props[i].cb_alloc_flags = CB_ALLOC_USER;
390 	}
391 
392 	prop->device_dma_offset_for_host_access = HOST_PHYS_BASE;
393 	prop->completion_queues_count = NUMBER_OF_CMPLT_QUEUES;
394 
395 	prop->dram_base_address = DRAM_PHYS_BASE;
396 	prop->dram_size = DRAM_PHYS_DEFAULT_SIZE;
397 	prop->dram_end_address = prop->dram_base_address + prop->dram_size;
398 	prop->dram_user_base_address = DRAM_BASE_ADDR_USER;
399 
400 	prop->sram_base_address = SRAM_BASE_ADDR;
401 	prop->sram_size = SRAM_SIZE;
402 	prop->sram_end_address = prop->sram_base_address + prop->sram_size;
403 	prop->sram_user_base_address = prop->sram_base_address +
404 						SRAM_USER_BASE_OFFSET;
405 
406 	prop->mmu_pgt_addr = MMU_PAGE_TABLES_ADDR;
407 	prop->mmu_dram_default_page_addr = MMU_DRAM_DEFAULT_PAGE_ADDR;
408 	if (hdev->pldm)
409 		prop->mmu_pgt_size = 0x800000; /* 8MB */
410 	else
411 		prop->mmu_pgt_size = MMU_PAGE_TABLES_SIZE;
412 	prop->mmu_pte_size = HL_PTE_SIZE;
413 	prop->mmu_hop_table_size = HOP_TABLE_SIZE;
414 	prop->mmu_hop0_tables_total_size = HOP0_TABLES_TOTAL_SIZE;
415 	prop->dram_page_size = PAGE_SIZE_2MB;
416 	prop->dram_supports_virtual_memory = true;
417 
418 	prop->dmmu.hop0_shift = HOP0_SHIFT;
419 	prop->dmmu.hop1_shift = HOP1_SHIFT;
420 	prop->dmmu.hop2_shift = HOP2_SHIFT;
421 	prop->dmmu.hop3_shift = HOP3_SHIFT;
422 	prop->dmmu.hop4_shift = HOP4_SHIFT;
423 	prop->dmmu.hop0_mask = HOP0_MASK;
424 	prop->dmmu.hop1_mask = HOP1_MASK;
425 	prop->dmmu.hop2_mask = HOP2_MASK;
426 	prop->dmmu.hop3_mask = HOP3_MASK;
427 	prop->dmmu.hop4_mask = HOP4_MASK;
428 	prop->dmmu.start_addr = VA_DDR_SPACE_START;
429 	prop->dmmu.end_addr = VA_DDR_SPACE_END;
430 	prop->dmmu.page_size = PAGE_SIZE_2MB;
431 	prop->dmmu.num_hops = MMU_ARCH_5_HOPS;
432 
433 	/* shifts and masks are the same in PMMU and DMMU */
434 	memcpy(&prop->pmmu, &prop->dmmu, sizeof(prop->dmmu));
435 	prop->pmmu.start_addr = VA_HOST_SPACE_START;
436 	prop->pmmu.end_addr = VA_HOST_SPACE_END;
437 	prop->pmmu.page_size = PAGE_SIZE_4KB;
438 	prop->pmmu.num_hops = MMU_ARCH_5_HOPS;
439 
440 	/* PMMU and HPMMU are the same except of page size */
441 	memcpy(&prop->pmmu_huge, &prop->pmmu, sizeof(prop->pmmu));
442 	prop->pmmu_huge.page_size = PAGE_SIZE_2MB;
443 
444 	prop->dram_size_for_default_page_mapping = VA_DDR_SPACE_END;
445 	prop->cfg_size = CFG_SIZE;
446 	prop->max_asid = MAX_ASID;
447 	prop->num_of_events = GOYA_ASYNC_EVENT_ID_SIZE;
448 	prop->high_pll = PLL_HIGH_DEFAULT;
449 	prop->cb_pool_cb_cnt = GOYA_CB_POOL_CB_CNT;
450 	prop->cb_pool_cb_size = GOYA_CB_POOL_CB_SIZE;
451 	prop->max_power_default = MAX_POWER_DEFAULT;
452 	prop->dc_power_default = DC_POWER_DEFAULT;
453 	prop->tpc_enabled_mask = TPC_ENABLED_MASK;
454 	prop->pcie_dbi_base_address = mmPCIE_DBI_BASE;
455 	prop->pcie_aux_dbi_reg_addr = CFG_BASE + mmPCIE_AUX_DBI;
456 
457 	strncpy(prop->cpucp_info.card_name, GOYA_DEFAULT_CARD_NAME,
458 		CARD_NAME_MAX_LEN);
459 
460 	prop->max_pending_cs = GOYA_MAX_PENDING_CS;
461 
462 	prop->first_available_user_msix_interrupt = USHRT_MAX;
463 
464 	for (i = 0 ; i < HL_MAX_DCORES ; i++)
465 		prop->first_available_cq[i] = USHRT_MAX;
466 
467 	prop->fw_cpu_boot_dev_sts0_valid = false;
468 	prop->fw_cpu_boot_dev_sts1_valid = false;
469 	prop->hard_reset_done_by_fw = false;
470 	prop->gic_interrupts_enable = true;
471 
472 	prop->server_type = HL_SERVER_TYPE_UNKNOWN;
473 
474 	return 0;
475 }
476 
477 /*
478  * goya_pci_bars_map - Map PCI BARS of Goya device
479  *
480  * @hdev: pointer to hl_device structure
481  *
482  * Request PCI regions and map them to kernel virtual addresses.
483  * Returns 0 on success
484  *
485  */
goya_pci_bars_map(struct hl_device * hdev)486 static int goya_pci_bars_map(struct hl_device *hdev)
487 {
488 	static const char * const name[] = {"SRAM_CFG", "MSIX", "DDR"};
489 	bool is_wc[3] = {false, false, true};
490 	int rc;
491 
492 	rc = hl_pci_bars_map(hdev, name, is_wc);
493 	if (rc)
494 		return rc;
495 
496 	hdev->rmmio = hdev->pcie_bar[SRAM_CFG_BAR_ID] +
497 			(CFG_BASE - SRAM_BASE_ADDR);
498 
499 	return 0;
500 }
501 
goya_set_ddr_bar_base(struct hl_device * hdev,u64 addr)502 static u64 goya_set_ddr_bar_base(struct hl_device *hdev, u64 addr)
503 {
504 	struct goya_device *goya = hdev->asic_specific;
505 	struct hl_inbound_pci_region pci_region;
506 	u64 old_addr = addr;
507 	int rc;
508 
509 	if ((goya) && (goya->ddr_bar_cur_addr == addr))
510 		return old_addr;
511 
512 	/* Inbound Region 1 - Bar 4 - Point to DDR */
513 	pci_region.mode = PCI_BAR_MATCH_MODE;
514 	pci_region.bar = DDR_BAR_ID;
515 	pci_region.addr = addr;
516 	rc = hl_pci_set_inbound_region(hdev, 1, &pci_region);
517 	if (rc)
518 		return U64_MAX;
519 
520 	if (goya) {
521 		old_addr = goya->ddr_bar_cur_addr;
522 		goya->ddr_bar_cur_addr = addr;
523 	}
524 
525 	return old_addr;
526 }
527 
528 /*
529  * goya_init_iatu - Initialize the iATU unit inside the PCI controller
530  *
531  * @hdev: pointer to hl_device structure
532  *
533  * This is needed in case the firmware doesn't initialize the iATU
534  *
535  */
goya_init_iatu(struct hl_device * hdev)536 static int goya_init_iatu(struct hl_device *hdev)
537 {
538 	struct hl_inbound_pci_region inbound_region;
539 	struct hl_outbound_pci_region outbound_region;
540 	int rc;
541 
542 	if (hdev->asic_prop.iatu_done_by_fw)
543 		return 0;
544 
545 	/* Inbound Region 0 - Bar 0 - Point to SRAM and CFG */
546 	inbound_region.mode = PCI_BAR_MATCH_MODE;
547 	inbound_region.bar = SRAM_CFG_BAR_ID;
548 	inbound_region.addr = SRAM_BASE_ADDR;
549 	rc = hl_pci_set_inbound_region(hdev, 0, &inbound_region);
550 	if (rc)
551 		goto done;
552 
553 	/* Inbound Region 1 - Bar 4 - Point to DDR */
554 	inbound_region.mode = PCI_BAR_MATCH_MODE;
555 	inbound_region.bar = DDR_BAR_ID;
556 	inbound_region.addr = DRAM_PHYS_BASE;
557 	rc = hl_pci_set_inbound_region(hdev, 1, &inbound_region);
558 	if (rc)
559 		goto done;
560 
561 	hdev->asic_funcs->set_dma_mask_from_fw(hdev);
562 
563 	/* Outbound Region 0 - Point to Host  */
564 	outbound_region.addr = HOST_PHYS_BASE;
565 	outbound_region.size = HOST_PHYS_SIZE;
566 	rc = hl_pci_set_outbound_region(hdev, &outbound_region);
567 
568 done:
569 	return rc;
570 }
571 
goya_get_hw_state(struct hl_device * hdev)572 static enum hl_device_hw_state goya_get_hw_state(struct hl_device *hdev)
573 {
574 	return RREG32(mmHW_STATE);
575 }
576 
577 /*
578  * goya_early_init - GOYA early initialization code
579  *
580  * @hdev: pointer to hl_device structure
581  *
582  * Verify PCI bars
583  * Set DMA masks
584  * PCI controller initialization
585  * Map PCI bars
586  *
587  */
goya_early_init(struct hl_device * hdev)588 static int goya_early_init(struct hl_device *hdev)
589 {
590 	struct asic_fixed_properties *prop = &hdev->asic_prop;
591 	struct pci_dev *pdev = hdev->pdev;
592 	u32 fw_boot_status, val;
593 	int rc;
594 
595 	rc = goya_set_fixed_properties(hdev);
596 	if (rc) {
597 		dev_err(hdev->dev, "Failed to get fixed properties\n");
598 		return rc;
599 	}
600 
601 	/* Check BAR sizes */
602 	if (pci_resource_len(pdev, SRAM_CFG_BAR_ID) != CFG_BAR_SIZE) {
603 		dev_err(hdev->dev,
604 			"Not " HL_NAME "? BAR %d size %llu, expecting %llu\n",
605 			SRAM_CFG_BAR_ID,
606 			(unsigned long long) pci_resource_len(pdev,
607 							SRAM_CFG_BAR_ID),
608 			CFG_BAR_SIZE);
609 		rc = -ENODEV;
610 		goto free_queue_props;
611 	}
612 
613 	if (pci_resource_len(pdev, MSIX_BAR_ID) != MSIX_BAR_SIZE) {
614 		dev_err(hdev->dev,
615 			"Not " HL_NAME "? BAR %d size %llu, expecting %llu\n",
616 			MSIX_BAR_ID,
617 			(unsigned long long) pci_resource_len(pdev,
618 								MSIX_BAR_ID),
619 			MSIX_BAR_SIZE);
620 		rc = -ENODEV;
621 		goto free_queue_props;
622 	}
623 
624 	prop->dram_pci_bar_size = pci_resource_len(pdev, DDR_BAR_ID);
625 
626 	/* If FW security is enabled at this point it means no access to ELBI */
627 	if (hdev->asic_prop.fw_security_enabled) {
628 		hdev->asic_prop.iatu_done_by_fw = true;
629 		goto pci_init;
630 	}
631 
632 	rc = hl_pci_elbi_read(hdev, CFG_BASE + mmCPU_BOOT_DEV_STS0,
633 				&fw_boot_status);
634 	if (rc)
635 		goto free_queue_props;
636 
637 	/* Check whether FW is configuring iATU */
638 	if ((fw_boot_status & CPU_BOOT_DEV_STS0_ENABLED) &&
639 			(fw_boot_status & CPU_BOOT_DEV_STS0_FW_IATU_CONF_EN))
640 		hdev->asic_prop.iatu_done_by_fw = true;
641 
642 pci_init:
643 	rc = hl_pci_init(hdev);
644 	if (rc)
645 		goto free_queue_props;
646 
647 	/* Before continuing in the initialization, we need to read the preboot
648 	 * version to determine whether we run with a security-enabled firmware
649 	 */
650 	rc = hl_fw_read_preboot_status(hdev, mmPSOC_GLOBAL_CONF_CPU_BOOT_STATUS,
651 					mmCPU_BOOT_DEV_STS0,
652 					mmCPU_BOOT_DEV_STS1, mmCPU_BOOT_ERR0,
653 					mmCPU_BOOT_ERR1,
654 					GOYA_BOOT_FIT_REQ_TIMEOUT_USEC);
655 	if (rc) {
656 		if (hdev->reset_on_preboot_fail)
657 			hdev->asic_funcs->hw_fini(hdev, true, false);
658 		goto pci_fini;
659 	}
660 
661 	if (goya_get_hw_state(hdev) == HL_DEVICE_HW_STATE_DIRTY) {
662 		dev_info(hdev->dev,
663 			"H/W state is dirty, must reset before initializing\n");
664 		hdev->asic_funcs->hw_fini(hdev, true, false);
665 	}
666 
667 	if (!hdev->pldm) {
668 		val = RREG32(mmPSOC_GLOBAL_CONF_BOOT_STRAP_PINS);
669 		if (val & PSOC_GLOBAL_CONF_BOOT_STRAP_PINS_SRIOV_EN_MASK)
670 			dev_warn(hdev->dev,
671 				"PCI strap is not configured correctly, PCI bus errors may occur\n");
672 	}
673 
674 	return 0;
675 
676 pci_fini:
677 	hl_pci_fini(hdev);
678 free_queue_props:
679 	kfree(hdev->asic_prop.hw_queues_props);
680 	return rc;
681 }
682 
683 /*
684  * goya_early_fini - GOYA early finalization code
685  *
686  * @hdev: pointer to hl_device structure
687  *
688  * Unmap PCI bars
689  *
690  */
goya_early_fini(struct hl_device * hdev)691 static int goya_early_fini(struct hl_device *hdev)
692 {
693 	kfree(hdev->asic_prop.hw_queues_props);
694 	hl_pci_fini(hdev);
695 
696 	return 0;
697 }
698 
goya_mmu_prepare_reg(struct hl_device * hdev,u64 reg,u32 asid)699 static void goya_mmu_prepare_reg(struct hl_device *hdev, u64 reg, u32 asid)
700 {
701 	/* mask to zero the MMBP and ASID bits */
702 	WREG32_AND(reg, ~0x7FF);
703 	WREG32_OR(reg, asid);
704 }
705 
goya_qman0_set_security(struct hl_device * hdev,bool secure)706 static void goya_qman0_set_security(struct hl_device *hdev, bool secure)
707 {
708 	struct goya_device *goya = hdev->asic_specific;
709 
710 	if (!(goya->hw_cap_initialized & HW_CAP_MMU))
711 		return;
712 
713 	if (secure)
714 		WREG32(mmDMA_QM_0_GLBL_PROT, QMAN_DMA_FULLY_TRUSTED);
715 	else
716 		WREG32(mmDMA_QM_0_GLBL_PROT, QMAN_DMA_PARTLY_TRUSTED);
717 
718 	RREG32(mmDMA_QM_0_GLBL_PROT);
719 }
720 
721 /*
722  * goya_fetch_psoc_frequency - Fetch PSOC frequency values
723  *
724  * @hdev: pointer to hl_device structure
725  *
726  */
goya_fetch_psoc_frequency(struct hl_device * hdev)727 static void goya_fetch_psoc_frequency(struct hl_device *hdev)
728 {
729 	struct asic_fixed_properties *prop = &hdev->asic_prop;
730 	u32 nr = 0, nf = 0, od = 0, div_fctr = 0, pll_clk, div_sel;
731 	u16 pll_freq_arr[HL_PLL_NUM_OUTPUTS], freq;
732 	int rc;
733 
734 	if (hdev->asic_prop.fw_security_enabled) {
735 		rc = hl_fw_cpucp_pll_info_get(hdev, HL_GOYA_PCI_PLL,
736 				pll_freq_arr);
737 
738 		if (rc)
739 			return;
740 
741 		freq = pll_freq_arr[1];
742 	} else {
743 		div_fctr = RREG32(mmPSOC_PCI_PLL_DIV_FACTOR_1);
744 		div_sel = RREG32(mmPSOC_PCI_PLL_DIV_SEL_1);
745 		nr = RREG32(mmPSOC_PCI_PLL_NR);
746 		nf = RREG32(mmPSOC_PCI_PLL_NF);
747 		od = RREG32(mmPSOC_PCI_PLL_OD);
748 
749 		if (div_sel == DIV_SEL_REF_CLK ||
750 				div_sel == DIV_SEL_DIVIDED_REF) {
751 			if (div_sel == DIV_SEL_REF_CLK)
752 				freq = PLL_REF_CLK;
753 			else
754 				freq = PLL_REF_CLK / (div_fctr + 1);
755 		} else if (div_sel == DIV_SEL_PLL_CLK ||
756 				div_sel == DIV_SEL_DIVIDED_PLL) {
757 			pll_clk = PLL_REF_CLK * (nf + 1) /
758 					((nr + 1) * (od + 1));
759 			if (div_sel == DIV_SEL_PLL_CLK)
760 				freq = pll_clk;
761 			else
762 				freq = pll_clk / (div_fctr + 1);
763 		} else {
764 			dev_warn(hdev->dev,
765 				"Received invalid div select value: %d",
766 				div_sel);
767 			freq = 0;
768 		}
769 	}
770 
771 	prop->psoc_timestamp_frequency = freq;
772 	prop->psoc_pci_pll_nr = nr;
773 	prop->psoc_pci_pll_nf = nf;
774 	prop->psoc_pci_pll_od = od;
775 	prop->psoc_pci_pll_div_factor = div_fctr;
776 }
777 
goya_late_init(struct hl_device * hdev)778 int goya_late_init(struct hl_device *hdev)
779 {
780 	struct asic_fixed_properties *prop = &hdev->asic_prop;
781 	int rc;
782 
783 	goya_fetch_psoc_frequency(hdev);
784 
785 	rc = goya_mmu_clear_pgt_range(hdev);
786 	if (rc) {
787 		dev_err(hdev->dev,
788 			"Failed to clear MMU page tables range %d\n", rc);
789 		return rc;
790 	}
791 
792 	rc = goya_mmu_set_dram_default_page(hdev);
793 	if (rc) {
794 		dev_err(hdev->dev, "Failed to set DRAM default page %d\n", rc);
795 		return rc;
796 	}
797 
798 	rc = goya_mmu_add_mappings_for_device_cpu(hdev);
799 	if (rc)
800 		return rc;
801 
802 	rc = goya_init_cpu_queues(hdev);
803 	if (rc)
804 		return rc;
805 
806 	rc = goya_test_cpu_queue(hdev);
807 	if (rc)
808 		return rc;
809 
810 	rc = goya_cpucp_info_get(hdev);
811 	if (rc) {
812 		dev_err(hdev->dev, "Failed to get cpucp info %d\n", rc);
813 		return rc;
814 	}
815 
816 	/* Now that we have the DRAM size in ASIC prop, we need to check
817 	 * its size and configure the DMA_IF DDR wrap protection (which is in
818 	 * the MMU block) accordingly. The value is the log2 of the DRAM size
819 	 */
820 	WREG32(mmMMU_LOG2_DDR_SIZE, ilog2(prop->dram_size));
821 
822 	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_ENABLE_PCI_ACCESS);
823 	if (rc) {
824 		dev_err(hdev->dev,
825 			"Failed to enable PCI access from CPU %d\n", rc);
826 		return rc;
827 	}
828 
829 	return 0;
830 }
831 
832 /*
833  * goya_late_fini - GOYA late tear-down code
834  *
835  * @hdev: pointer to hl_device structure
836  *
837  * Free sensors allocated structures
838  */
goya_late_fini(struct hl_device * hdev)839 void goya_late_fini(struct hl_device *hdev)
840 {
841 	const struct hwmon_channel_info **channel_info_arr;
842 	int i = 0;
843 
844 	if (!hdev->hl_chip_info->info)
845 		return;
846 
847 	channel_info_arr = hdev->hl_chip_info->info;
848 
849 	while (channel_info_arr[i]) {
850 		kfree(channel_info_arr[i]->config);
851 		kfree(channel_info_arr[i]);
852 		i++;
853 	}
854 
855 	kfree(channel_info_arr);
856 
857 	hdev->hl_chip_info->info = NULL;
858 }
859 
goya_set_pci_memory_regions(struct hl_device * hdev)860 static void goya_set_pci_memory_regions(struct hl_device *hdev)
861 {
862 	struct asic_fixed_properties *prop = &hdev->asic_prop;
863 	struct pci_mem_region *region;
864 
865 	/* CFG */
866 	region = &hdev->pci_mem_region[PCI_REGION_CFG];
867 	region->region_base = CFG_BASE;
868 	region->region_size = CFG_SIZE;
869 	region->offset_in_bar = CFG_BASE - SRAM_BASE_ADDR;
870 	region->bar_size = CFG_BAR_SIZE;
871 	region->bar_id = SRAM_CFG_BAR_ID;
872 	region->used = 1;
873 
874 	/* SRAM */
875 	region = &hdev->pci_mem_region[PCI_REGION_SRAM];
876 	region->region_base = SRAM_BASE_ADDR;
877 	region->region_size = SRAM_SIZE;
878 	region->offset_in_bar = 0;
879 	region->bar_size = CFG_BAR_SIZE;
880 	region->bar_id = SRAM_CFG_BAR_ID;
881 	region->used = 1;
882 
883 	/* DRAM */
884 	region = &hdev->pci_mem_region[PCI_REGION_DRAM];
885 	region->region_base = DRAM_PHYS_BASE;
886 	region->region_size = hdev->asic_prop.dram_size;
887 	region->offset_in_bar = 0;
888 	region->bar_size = prop->dram_pci_bar_size;
889 	region->bar_id = DDR_BAR_ID;
890 	region->used = 1;
891 }
892 
893 /*
894  * goya_sw_init - Goya software initialization code
895  *
896  * @hdev: pointer to hl_device structure
897  *
898  */
goya_sw_init(struct hl_device * hdev)899 static int goya_sw_init(struct hl_device *hdev)
900 {
901 	struct goya_device *goya;
902 	int rc;
903 
904 	/* Allocate device structure */
905 	goya = kzalloc(sizeof(*goya), GFP_KERNEL);
906 	if (!goya)
907 		return -ENOMEM;
908 
909 	/* according to goya_init_iatu */
910 	goya->ddr_bar_cur_addr = DRAM_PHYS_BASE;
911 
912 	goya->mme_clk = GOYA_PLL_FREQ_LOW;
913 	goya->tpc_clk = GOYA_PLL_FREQ_LOW;
914 	goya->ic_clk = GOYA_PLL_FREQ_LOW;
915 
916 	hdev->asic_specific = goya;
917 
918 	/* Create DMA pool for small allocations */
919 	hdev->dma_pool = dma_pool_create(dev_name(hdev->dev),
920 			&hdev->pdev->dev, GOYA_DMA_POOL_BLK_SIZE, 8, 0);
921 	if (!hdev->dma_pool) {
922 		dev_err(hdev->dev, "failed to create DMA pool\n");
923 		rc = -ENOMEM;
924 		goto free_goya_device;
925 	}
926 
927 	hdev->cpu_accessible_dma_mem =
928 			hdev->asic_funcs->asic_dma_alloc_coherent(hdev,
929 					HL_CPU_ACCESSIBLE_MEM_SIZE,
930 					&hdev->cpu_accessible_dma_address,
931 					GFP_KERNEL | __GFP_ZERO);
932 
933 	if (!hdev->cpu_accessible_dma_mem) {
934 		rc = -ENOMEM;
935 		goto free_dma_pool;
936 	}
937 
938 	dev_dbg(hdev->dev, "cpu accessible memory at bus address %pad\n",
939 		&hdev->cpu_accessible_dma_address);
940 
941 	hdev->cpu_accessible_dma_pool = gen_pool_create(ilog2(32), -1);
942 	if (!hdev->cpu_accessible_dma_pool) {
943 		dev_err(hdev->dev,
944 			"Failed to create CPU accessible DMA pool\n");
945 		rc = -ENOMEM;
946 		goto free_cpu_dma_mem;
947 	}
948 
949 	rc = gen_pool_add(hdev->cpu_accessible_dma_pool,
950 				(uintptr_t) hdev->cpu_accessible_dma_mem,
951 				HL_CPU_ACCESSIBLE_MEM_SIZE, -1);
952 	if (rc) {
953 		dev_err(hdev->dev,
954 			"Failed to add memory to CPU accessible DMA pool\n");
955 		rc = -EFAULT;
956 		goto free_cpu_accessible_dma_pool;
957 	}
958 
959 	spin_lock_init(&goya->hw_queues_lock);
960 	hdev->supports_coresight = true;
961 	hdev->supports_soft_reset = true;
962 	hdev->allow_external_soft_reset = true;
963 	hdev->supports_wait_for_multi_cs = false;
964 
965 	hdev->asic_funcs->set_pci_memory_regions(hdev);
966 
967 	return 0;
968 
969 free_cpu_accessible_dma_pool:
970 	gen_pool_destroy(hdev->cpu_accessible_dma_pool);
971 free_cpu_dma_mem:
972 	hdev->asic_funcs->asic_dma_free_coherent(hdev,
973 			HL_CPU_ACCESSIBLE_MEM_SIZE,
974 			hdev->cpu_accessible_dma_mem,
975 			hdev->cpu_accessible_dma_address);
976 free_dma_pool:
977 	dma_pool_destroy(hdev->dma_pool);
978 free_goya_device:
979 	kfree(goya);
980 
981 	return rc;
982 }
983 
984 /*
985  * goya_sw_fini - Goya software tear-down code
986  *
987  * @hdev: pointer to hl_device structure
988  *
989  */
goya_sw_fini(struct hl_device * hdev)990 static int goya_sw_fini(struct hl_device *hdev)
991 {
992 	struct goya_device *goya = hdev->asic_specific;
993 
994 	gen_pool_destroy(hdev->cpu_accessible_dma_pool);
995 
996 	hdev->asic_funcs->asic_dma_free_coherent(hdev,
997 			HL_CPU_ACCESSIBLE_MEM_SIZE,
998 			hdev->cpu_accessible_dma_mem,
999 			hdev->cpu_accessible_dma_address);
1000 
1001 	dma_pool_destroy(hdev->dma_pool);
1002 
1003 	kfree(goya);
1004 
1005 	return 0;
1006 }
1007 
goya_init_dma_qman(struct hl_device * hdev,int dma_id,dma_addr_t bus_address)1008 static void goya_init_dma_qman(struct hl_device *hdev, int dma_id,
1009 		dma_addr_t bus_address)
1010 {
1011 	struct goya_device *goya = hdev->asic_specific;
1012 	u32 mtr_base_lo, mtr_base_hi;
1013 	u32 so_base_lo, so_base_hi;
1014 	u32 gic_base_lo, gic_base_hi;
1015 	u32 reg_off = dma_id * (mmDMA_QM_1_PQ_PI - mmDMA_QM_0_PQ_PI);
1016 	u32 dma_err_cfg = QMAN_DMA_ERR_MSG_EN;
1017 
1018 	mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1019 	mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1020 	so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1021 	so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1022 
1023 	gic_base_lo =
1024 		lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1025 	gic_base_hi =
1026 		upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1027 
1028 	WREG32(mmDMA_QM_0_PQ_BASE_LO + reg_off, lower_32_bits(bus_address));
1029 	WREG32(mmDMA_QM_0_PQ_BASE_HI + reg_off, upper_32_bits(bus_address));
1030 
1031 	WREG32(mmDMA_QM_0_PQ_SIZE + reg_off, ilog2(HL_QUEUE_LENGTH));
1032 	WREG32(mmDMA_QM_0_PQ_PI + reg_off, 0);
1033 	WREG32(mmDMA_QM_0_PQ_CI + reg_off, 0);
1034 
1035 	WREG32(mmDMA_QM_0_CP_MSG_BASE0_ADDR_LO + reg_off, mtr_base_lo);
1036 	WREG32(mmDMA_QM_0_CP_MSG_BASE0_ADDR_HI + reg_off, mtr_base_hi);
1037 	WREG32(mmDMA_QM_0_CP_MSG_BASE1_ADDR_LO + reg_off, so_base_lo);
1038 	WREG32(mmDMA_QM_0_CP_MSG_BASE1_ADDR_HI + reg_off, so_base_hi);
1039 	WREG32(mmDMA_QM_0_GLBL_ERR_ADDR_LO + reg_off, gic_base_lo);
1040 	WREG32(mmDMA_QM_0_GLBL_ERR_ADDR_HI + reg_off, gic_base_hi);
1041 	WREG32(mmDMA_QM_0_GLBL_ERR_WDATA + reg_off,
1042 			GOYA_ASYNC_EVENT_ID_DMA0_QM + dma_id);
1043 
1044 	/* PQ has buffer of 2 cache lines, while CQ has 8 lines */
1045 	WREG32(mmDMA_QM_0_PQ_CFG1 + reg_off, 0x00020002);
1046 	WREG32(mmDMA_QM_0_CQ_CFG1 + reg_off, 0x00080008);
1047 
1048 	if (goya->hw_cap_initialized & HW_CAP_MMU)
1049 		WREG32(mmDMA_QM_0_GLBL_PROT + reg_off, QMAN_DMA_PARTLY_TRUSTED);
1050 	else
1051 		WREG32(mmDMA_QM_0_GLBL_PROT + reg_off, QMAN_DMA_FULLY_TRUSTED);
1052 
1053 	if (hdev->stop_on_err)
1054 		dma_err_cfg |= 1 << DMA_QM_0_GLBL_ERR_CFG_DMA_STOP_ON_ERR_SHIFT;
1055 
1056 	WREG32(mmDMA_QM_0_GLBL_ERR_CFG + reg_off, dma_err_cfg);
1057 	WREG32(mmDMA_QM_0_GLBL_CFG0 + reg_off, QMAN_DMA_ENABLE);
1058 }
1059 
goya_init_dma_ch(struct hl_device * hdev,int dma_id)1060 static void goya_init_dma_ch(struct hl_device *hdev, int dma_id)
1061 {
1062 	u32 gic_base_lo, gic_base_hi;
1063 	u64 sob_addr;
1064 	u32 reg_off = dma_id * (mmDMA_CH_1_CFG1 - mmDMA_CH_0_CFG1);
1065 
1066 	gic_base_lo =
1067 		lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1068 	gic_base_hi =
1069 		upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1070 
1071 	WREG32(mmDMA_CH_0_ERRMSG_ADDR_LO + reg_off, gic_base_lo);
1072 	WREG32(mmDMA_CH_0_ERRMSG_ADDR_HI + reg_off, gic_base_hi);
1073 	WREG32(mmDMA_CH_0_ERRMSG_WDATA + reg_off,
1074 			GOYA_ASYNC_EVENT_ID_DMA0_CH + dma_id);
1075 
1076 	if (dma_id)
1077 		sob_addr = CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1000 +
1078 				(dma_id - 1) * 4;
1079 	else
1080 		sob_addr = CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1007;
1081 
1082 	WREG32(mmDMA_CH_0_WR_COMP_ADDR_HI + reg_off, upper_32_bits(sob_addr));
1083 	WREG32(mmDMA_CH_0_WR_COMP_WDATA + reg_off, 0x80000001);
1084 }
1085 
1086 /*
1087  * goya_init_dma_qmans - Initialize QMAN DMA registers
1088  *
1089  * @hdev: pointer to hl_device structure
1090  *
1091  * Initialize the H/W registers of the QMAN DMA channels
1092  *
1093  */
goya_init_dma_qmans(struct hl_device * hdev)1094 void goya_init_dma_qmans(struct hl_device *hdev)
1095 {
1096 	struct goya_device *goya = hdev->asic_specific;
1097 	struct hl_hw_queue *q;
1098 	int i;
1099 
1100 	if (goya->hw_cap_initialized & HW_CAP_DMA)
1101 		return;
1102 
1103 	q = &hdev->kernel_queues[0];
1104 
1105 	for (i = 0 ; i < NUMBER_OF_EXT_HW_QUEUES ; i++, q++) {
1106 		q->cq_id = q->msi_vec = i;
1107 		goya_init_dma_qman(hdev, i, q->bus_address);
1108 		goya_init_dma_ch(hdev, i);
1109 	}
1110 
1111 	goya->hw_cap_initialized |= HW_CAP_DMA;
1112 }
1113 
1114 /*
1115  * goya_disable_external_queues - Disable external queues
1116  *
1117  * @hdev: pointer to hl_device structure
1118  *
1119  */
goya_disable_external_queues(struct hl_device * hdev)1120 static void goya_disable_external_queues(struct hl_device *hdev)
1121 {
1122 	struct goya_device *goya = hdev->asic_specific;
1123 
1124 	if (!(goya->hw_cap_initialized & HW_CAP_DMA))
1125 		return;
1126 
1127 	WREG32(mmDMA_QM_0_GLBL_CFG0, 0);
1128 	WREG32(mmDMA_QM_1_GLBL_CFG0, 0);
1129 	WREG32(mmDMA_QM_2_GLBL_CFG0, 0);
1130 	WREG32(mmDMA_QM_3_GLBL_CFG0, 0);
1131 	WREG32(mmDMA_QM_4_GLBL_CFG0, 0);
1132 }
1133 
goya_stop_queue(struct hl_device * hdev,u32 cfg_reg,u32 cp_sts_reg,u32 glbl_sts0_reg)1134 static int goya_stop_queue(struct hl_device *hdev, u32 cfg_reg,
1135 				u32 cp_sts_reg, u32 glbl_sts0_reg)
1136 {
1137 	int rc;
1138 	u32 status;
1139 
1140 	/* use the values of TPC0 as they are all the same*/
1141 
1142 	WREG32(cfg_reg, 1 << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT);
1143 
1144 	status = RREG32(cp_sts_reg);
1145 	if (status & TPC0_QM_CP_STS_FENCE_IN_PROGRESS_MASK) {
1146 		rc = hl_poll_timeout(
1147 			hdev,
1148 			cp_sts_reg,
1149 			status,
1150 			!(status & TPC0_QM_CP_STS_FENCE_IN_PROGRESS_MASK),
1151 			1000,
1152 			QMAN_FENCE_TIMEOUT_USEC);
1153 
1154 		/* if QMAN is stuck in fence no need to check for stop */
1155 		if (rc)
1156 			return 0;
1157 	}
1158 
1159 	rc = hl_poll_timeout(
1160 		hdev,
1161 		glbl_sts0_reg,
1162 		status,
1163 		(status & TPC0_QM_GLBL_STS0_CP_IS_STOP_MASK),
1164 		1000,
1165 		QMAN_STOP_TIMEOUT_USEC);
1166 
1167 	if (rc) {
1168 		dev_err(hdev->dev,
1169 			"Timeout while waiting for QMAN to stop\n");
1170 		return -EINVAL;
1171 	}
1172 
1173 	return 0;
1174 }
1175 
1176 /*
1177  * goya_stop_external_queues - Stop external queues
1178  *
1179  * @hdev: pointer to hl_device structure
1180  *
1181  * Returns 0 on success
1182  *
1183  */
goya_stop_external_queues(struct hl_device * hdev)1184 static int goya_stop_external_queues(struct hl_device *hdev)
1185 {
1186 	int rc, retval = 0;
1187 
1188 	struct goya_device *goya = hdev->asic_specific;
1189 
1190 	if (!(goya->hw_cap_initialized & HW_CAP_DMA))
1191 		return retval;
1192 
1193 	rc = goya_stop_queue(hdev,
1194 			mmDMA_QM_0_GLBL_CFG1,
1195 			mmDMA_QM_0_CP_STS,
1196 			mmDMA_QM_0_GLBL_STS0);
1197 
1198 	if (rc) {
1199 		dev_err(hdev->dev, "failed to stop DMA QMAN 0\n");
1200 		retval = -EIO;
1201 	}
1202 
1203 	rc = goya_stop_queue(hdev,
1204 			mmDMA_QM_1_GLBL_CFG1,
1205 			mmDMA_QM_1_CP_STS,
1206 			mmDMA_QM_1_GLBL_STS0);
1207 
1208 	if (rc) {
1209 		dev_err(hdev->dev, "failed to stop DMA QMAN 1\n");
1210 		retval = -EIO;
1211 	}
1212 
1213 	rc = goya_stop_queue(hdev,
1214 			mmDMA_QM_2_GLBL_CFG1,
1215 			mmDMA_QM_2_CP_STS,
1216 			mmDMA_QM_2_GLBL_STS0);
1217 
1218 	if (rc) {
1219 		dev_err(hdev->dev, "failed to stop DMA QMAN 2\n");
1220 		retval = -EIO;
1221 	}
1222 
1223 	rc = goya_stop_queue(hdev,
1224 			mmDMA_QM_3_GLBL_CFG1,
1225 			mmDMA_QM_3_CP_STS,
1226 			mmDMA_QM_3_GLBL_STS0);
1227 
1228 	if (rc) {
1229 		dev_err(hdev->dev, "failed to stop DMA QMAN 3\n");
1230 		retval = -EIO;
1231 	}
1232 
1233 	rc = goya_stop_queue(hdev,
1234 			mmDMA_QM_4_GLBL_CFG1,
1235 			mmDMA_QM_4_CP_STS,
1236 			mmDMA_QM_4_GLBL_STS0);
1237 
1238 	if (rc) {
1239 		dev_err(hdev->dev, "failed to stop DMA QMAN 4\n");
1240 		retval = -EIO;
1241 	}
1242 
1243 	return retval;
1244 }
1245 
1246 /*
1247  * goya_init_cpu_queues - Initialize PQ/CQ/EQ of CPU
1248  *
1249  * @hdev: pointer to hl_device structure
1250  *
1251  * Returns 0 on success
1252  *
1253  */
goya_init_cpu_queues(struct hl_device * hdev)1254 int goya_init_cpu_queues(struct hl_device *hdev)
1255 {
1256 	struct goya_device *goya = hdev->asic_specific;
1257 	struct asic_fixed_properties *prop = &hdev->asic_prop;
1258 	struct hl_eq *eq;
1259 	u32 status;
1260 	struct hl_hw_queue *cpu_pq = &hdev->kernel_queues[GOYA_QUEUE_ID_CPU_PQ];
1261 	int err;
1262 
1263 	if (!hdev->cpu_queues_enable)
1264 		return 0;
1265 
1266 	if (goya->hw_cap_initialized & HW_CAP_CPU_Q)
1267 		return 0;
1268 
1269 	eq = &hdev->event_queue;
1270 
1271 	WREG32(mmCPU_PQ_BASE_ADDR_LOW, lower_32_bits(cpu_pq->bus_address));
1272 	WREG32(mmCPU_PQ_BASE_ADDR_HIGH, upper_32_bits(cpu_pq->bus_address));
1273 
1274 	WREG32(mmCPU_EQ_BASE_ADDR_LOW, lower_32_bits(eq->bus_address));
1275 	WREG32(mmCPU_EQ_BASE_ADDR_HIGH, upper_32_bits(eq->bus_address));
1276 
1277 	WREG32(mmCPU_CQ_BASE_ADDR_LOW,
1278 			lower_32_bits(VA_CPU_ACCESSIBLE_MEM_ADDR));
1279 	WREG32(mmCPU_CQ_BASE_ADDR_HIGH,
1280 			upper_32_bits(VA_CPU_ACCESSIBLE_MEM_ADDR));
1281 
1282 	WREG32(mmCPU_PQ_LENGTH, HL_QUEUE_SIZE_IN_BYTES);
1283 	WREG32(mmCPU_EQ_LENGTH, HL_EQ_SIZE_IN_BYTES);
1284 	WREG32(mmCPU_CQ_LENGTH, HL_CPU_ACCESSIBLE_MEM_SIZE);
1285 
1286 	/* Used for EQ CI */
1287 	WREG32(mmCPU_EQ_CI, 0);
1288 
1289 	WREG32(mmCPU_IF_PF_PQ_PI, 0);
1290 
1291 	WREG32(mmCPU_PQ_INIT_STATUS, PQ_INIT_STATUS_READY_FOR_CP);
1292 
1293 	WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR,
1294 			GOYA_ASYNC_EVENT_ID_PI_UPDATE);
1295 
1296 	err = hl_poll_timeout(
1297 		hdev,
1298 		mmCPU_PQ_INIT_STATUS,
1299 		status,
1300 		(status == PQ_INIT_STATUS_READY_FOR_HOST),
1301 		1000,
1302 		GOYA_CPU_TIMEOUT_USEC);
1303 
1304 	if (err) {
1305 		dev_err(hdev->dev,
1306 			"Failed to setup communication with device CPU\n");
1307 		return -EIO;
1308 	}
1309 
1310 	/* update FW application security bits */
1311 	if (prop->fw_cpu_boot_dev_sts0_valid)
1312 		prop->fw_app_cpu_boot_dev_sts0 = RREG32(mmCPU_BOOT_DEV_STS0);
1313 
1314 	if (prop->fw_cpu_boot_dev_sts1_valid)
1315 		prop->fw_app_cpu_boot_dev_sts1 = RREG32(mmCPU_BOOT_DEV_STS1);
1316 
1317 	goya->hw_cap_initialized |= HW_CAP_CPU_Q;
1318 	return 0;
1319 }
1320 
goya_set_pll_refclk(struct hl_device * hdev)1321 static void goya_set_pll_refclk(struct hl_device *hdev)
1322 {
1323 	WREG32(mmCPU_PLL_DIV_SEL_0, 0x0);
1324 	WREG32(mmCPU_PLL_DIV_SEL_1, 0x0);
1325 	WREG32(mmCPU_PLL_DIV_SEL_2, 0x0);
1326 	WREG32(mmCPU_PLL_DIV_SEL_3, 0x0);
1327 
1328 	WREG32(mmIC_PLL_DIV_SEL_0, 0x0);
1329 	WREG32(mmIC_PLL_DIV_SEL_1, 0x0);
1330 	WREG32(mmIC_PLL_DIV_SEL_2, 0x0);
1331 	WREG32(mmIC_PLL_DIV_SEL_3, 0x0);
1332 
1333 	WREG32(mmMC_PLL_DIV_SEL_0, 0x0);
1334 	WREG32(mmMC_PLL_DIV_SEL_1, 0x0);
1335 	WREG32(mmMC_PLL_DIV_SEL_2, 0x0);
1336 	WREG32(mmMC_PLL_DIV_SEL_3, 0x0);
1337 
1338 	WREG32(mmPSOC_MME_PLL_DIV_SEL_0, 0x0);
1339 	WREG32(mmPSOC_MME_PLL_DIV_SEL_1, 0x0);
1340 	WREG32(mmPSOC_MME_PLL_DIV_SEL_2, 0x0);
1341 	WREG32(mmPSOC_MME_PLL_DIV_SEL_3, 0x0);
1342 
1343 	WREG32(mmPSOC_PCI_PLL_DIV_SEL_0, 0x0);
1344 	WREG32(mmPSOC_PCI_PLL_DIV_SEL_1, 0x0);
1345 	WREG32(mmPSOC_PCI_PLL_DIV_SEL_2, 0x0);
1346 	WREG32(mmPSOC_PCI_PLL_DIV_SEL_3, 0x0);
1347 
1348 	WREG32(mmPSOC_EMMC_PLL_DIV_SEL_0, 0x0);
1349 	WREG32(mmPSOC_EMMC_PLL_DIV_SEL_1, 0x0);
1350 	WREG32(mmPSOC_EMMC_PLL_DIV_SEL_2, 0x0);
1351 	WREG32(mmPSOC_EMMC_PLL_DIV_SEL_3, 0x0);
1352 
1353 	WREG32(mmTPC_PLL_DIV_SEL_0, 0x0);
1354 	WREG32(mmTPC_PLL_DIV_SEL_1, 0x0);
1355 	WREG32(mmTPC_PLL_DIV_SEL_2, 0x0);
1356 	WREG32(mmTPC_PLL_DIV_SEL_3, 0x0);
1357 }
1358 
goya_disable_clk_rlx(struct hl_device * hdev)1359 static void goya_disable_clk_rlx(struct hl_device *hdev)
1360 {
1361 	WREG32(mmPSOC_MME_PLL_CLK_RLX_0, 0x100010);
1362 	WREG32(mmIC_PLL_CLK_RLX_0, 0x100010);
1363 }
1364 
_goya_tpc_mbist_workaround(struct hl_device * hdev,u8 tpc_id)1365 static void _goya_tpc_mbist_workaround(struct hl_device *hdev, u8 tpc_id)
1366 {
1367 	u64 tpc_eml_address;
1368 	u32 val, tpc_offset, tpc_eml_offset, tpc_slm_offset;
1369 	int err, slm_index;
1370 
1371 	tpc_offset = tpc_id * 0x40000;
1372 	tpc_eml_offset = tpc_id * 0x200000;
1373 	tpc_eml_address = (mmTPC0_EML_CFG_BASE + tpc_eml_offset - CFG_BASE);
1374 	tpc_slm_offset = tpc_eml_address + 0x100000;
1375 
1376 	/*
1377 	 * Workaround for Bug H2 #2443 :
1378 	 * "TPC SB is not initialized on chip reset"
1379 	 */
1380 
1381 	val = RREG32(mmTPC0_CFG_FUNC_MBIST_CNTRL + tpc_offset);
1382 	if (val & TPC0_CFG_FUNC_MBIST_CNTRL_MBIST_ACTIVE_MASK)
1383 		dev_warn(hdev->dev, "TPC%d MBIST ACTIVE is not cleared\n",
1384 			tpc_id);
1385 
1386 	WREG32(mmTPC0_CFG_FUNC_MBIST_PAT + tpc_offset, val & 0xFFFFF000);
1387 
1388 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_0 + tpc_offset, 0x37FF);
1389 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_1 + tpc_offset, 0x303F);
1390 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_2 + tpc_offset, 0x71FF);
1391 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_3 + tpc_offset, 0x71FF);
1392 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_4 + tpc_offset, 0x70FF);
1393 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_5 + tpc_offset, 0x70FF);
1394 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_6 + tpc_offset, 0x70FF);
1395 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_7 + tpc_offset, 0x70FF);
1396 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_8 + tpc_offset, 0x70FF);
1397 	WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_9 + tpc_offset, 0x70FF);
1398 
1399 	WREG32_OR(mmTPC0_CFG_FUNC_MBIST_CNTRL + tpc_offset,
1400 		1 << TPC0_CFG_FUNC_MBIST_CNTRL_MBIST_START_SHIFT);
1401 
1402 	err = hl_poll_timeout(
1403 		hdev,
1404 		mmTPC0_CFG_FUNC_MBIST_CNTRL + tpc_offset,
1405 		val,
1406 		(val & TPC0_CFG_FUNC_MBIST_CNTRL_MBIST_DONE_MASK),
1407 		1000,
1408 		HL_DEVICE_TIMEOUT_USEC);
1409 
1410 	if (err)
1411 		dev_err(hdev->dev,
1412 			"Timeout while waiting for TPC%d MBIST DONE\n", tpc_id);
1413 
1414 	WREG32_OR(mmTPC0_EML_CFG_DBG_CNT + tpc_eml_offset,
1415 		1 << TPC0_EML_CFG_DBG_CNT_CORE_RST_SHIFT);
1416 
1417 	msleep(GOYA_RESET_WAIT_MSEC);
1418 
1419 	WREG32_AND(mmTPC0_EML_CFG_DBG_CNT + tpc_eml_offset,
1420 		~(1 << TPC0_EML_CFG_DBG_CNT_CORE_RST_SHIFT));
1421 
1422 	msleep(GOYA_RESET_WAIT_MSEC);
1423 
1424 	for (slm_index = 0 ; slm_index < 256 ; slm_index++)
1425 		WREG32(tpc_slm_offset + (slm_index << 2), 0);
1426 
1427 	val = RREG32(tpc_slm_offset);
1428 }
1429 
goya_tpc_mbist_workaround(struct hl_device * hdev)1430 static void goya_tpc_mbist_workaround(struct hl_device *hdev)
1431 {
1432 	struct goya_device *goya = hdev->asic_specific;
1433 	int i;
1434 
1435 	if (hdev->pldm)
1436 		return;
1437 
1438 	if (goya->hw_cap_initialized & HW_CAP_TPC_MBIST)
1439 		return;
1440 
1441 	/* Workaround for H2 #2443 */
1442 
1443 	for (i = 0 ; i < TPC_MAX_NUM ; i++)
1444 		_goya_tpc_mbist_workaround(hdev, i);
1445 
1446 	goya->hw_cap_initialized |= HW_CAP_TPC_MBIST;
1447 }
1448 
1449 /*
1450  * goya_init_golden_registers - Initialize golden registers
1451  *
1452  * @hdev: pointer to hl_device structure
1453  *
1454  * Initialize the H/W registers of the device
1455  *
1456  */
goya_init_golden_registers(struct hl_device * hdev)1457 static void goya_init_golden_registers(struct hl_device *hdev)
1458 {
1459 	struct goya_device *goya = hdev->asic_specific;
1460 	u32 polynom[10], tpc_intr_mask, offset;
1461 	int i;
1462 
1463 	if (goya->hw_cap_initialized & HW_CAP_GOLDEN)
1464 		return;
1465 
1466 	polynom[0] = 0x00020080;
1467 	polynom[1] = 0x00401000;
1468 	polynom[2] = 0x00200800;
1469 	polynom[3] = 0x00002000;
1470 	polynom[4] = 0x00080200;
1471 	polynom[5] = 0x00040100;
1472 	polynom[6] = 0x00100400;
1473 	polynom[7] = 0x00004000;
1474 	polynom[8] = 0x00010000;
1475 	polynom[9] = 0x00008000;
1476 
1477 	/* Mask all arithmetic interrupts from TPC */
1478 	tpc_intr_mask = 0x7FFF;
1479 
1480 	for (i = 0, offset = 0 ; i < 6 ; i++, offset += 0x20000) {
1481 		WREG32(mmSRAM_Y0_X0_RTR_HBW_RD_RQ_L_ARB + offset, 0x302);
1482 		WREG32(mmSRAM_Y0_X1_RTR_HBW_RD_RQ_L_ARB + offset, 0x302);
1483 		WREG32(mmSRAM_Y0_X2_RTR_HBW_RD_RQ_L_ARB + offset, 0x302);
1484 		WREG32(mmSRAM_Y0_X3_RTR_HBW_RD_RQ_L_ARB + offset, 0x302);
1485 		WREG32(mmSRAM_Y0_X4_RTR_HBW_RD_RQ_L_ARB + offset, 0x302);
1486 
1487 		WREG32(mmSRAM_Y0_X0_RTR_HBW_DATA_L_ARB + offset, 0x204);
1488 		WREG32(mmSRAM_Y0_X1_RTR_HBW_DATA_L_ARB + offset, 0x204);
1489 		WREG32(mmSRAM_Y0_X2_RTR_HBW_DATA_L_ARB + offset, 0x204);
1490 		WREG32(mmSRAM_Y0_X3_RTR_HBW_DATA_L_ARB + offset, 0x204);
1491 		WREG32(mmSRAM_Y0_X4_RTR_HBW_DATA_L_ARB + offset, 0x204);
1492 
1493 
1494 		WREG32(mmSRAM_Y0_X0_RTR_HBW_DATA_E_ARB + offset, 0x206);
1495 		WREG32(mmSRAM_Y0_X1_RTR_HBW_DATA_E_ARB + offset, 0x206);
1496 		WREG32(mmSRAM_Y0_X2_RTR_HBW_DATA_E_ARB + offset, 0x206);
1497 		WREG32(mmSRAM_Y0_X3_RTR_HBW_DATA_E_ARB + offset, 0x207);
1498 		WREG32(mmSRAM_Y0_X4_RTR_HBW_DATA_E_ARB + offset, 0x207);
1499 
1500 		WREG32(mmSRAM_Y0_X0_RTR_HBW_DATA_W_ARB + offset, 0x207);
1501 		WREG32(mmSRAM_Y0_X1_RTR_HBW_DATA_W_ARB + offset, 0x207);
1502 		WREG32(mmSRAM_Y0_X2_RTR_HBW_DATA_W_ARB + offset, 0x206);
1503 		WREG32(mmSRAM_Y0_X3_RTR_HBW_DATA_W_ARB + offset, 0x206);
1504 		WREG32(mmSRAM_Y0_X4_RTR_HBW_DATA_W_ARB + offset, 0x206);
1505 
1506 		WREG32(mmSRAM_Y0_X0_RTR_HBW_WR_RS_E_ARB + offset, 0x101);
1507 		WREG32(mmSRAM_Y0_X1_RTR_HBW_WR_RS_E_ARB + offset, 0x102);
1508 		WREG32(mmSRAM_Y0_X2_RTR_HBW_WR_RS_E_ARB + offset, 0x103);
1509 		WREG32(mmSRAM_Y0_X3_RTR_HBW_WR_RS_E_ARB + offset, 0x104);
1510 		WREG32(mmSRAM_Y0_X4_RTR_HBW_WR_RS_E_ARB + offset, 0x105);
1511 
1512 		WREG32(mmSRAM_Y0_X0_RTR_HBW_WR_RS_W_ARB + offset, 0x105);
1513 		WREG32(mmSRAM_Y0_X1_RTR_HBW_WR_RS_W_ARB + offset, 0x104);
1514 		WREG32(mmSRAM_Y0_X2_RTR_HBW_WR_RS_W_ARB + offset, 0x103);
1515 		WREG32(mmSRAM_Y0_X3_RTR_HBW_WR_RS_W_ARB + offset, 0x102);
1516 		WREG32(mmSRAM_Y0_X4_RTR_HBW_WR_RS_W_ARB + offset, 0x101);
1517 	}
1518 
1519 	WREG32(mmMME_STORE_MAX_CREDIT, 0x21);
1520 	WREG32(mmMME_AGU, 0x0f0f0f10);
1521 	WREG32(mmMME_SEI_MASK, ~0x0);
1522 
1523 	WREG32(mmMME6_RTR_HBW_RD_RQ_N_ARB, 0x01010101);
1524 	WREG32(mmMME5_RTR_HBW_RD_RQ_N_ARB, 0x01040101);
1525 	WREG32(mmMME4_RTR_HBW_RD_RQ_N_ARB, 0x01030101);
1526 	WREG32(mmMME3_RTR_HBW_RD_RQ_N_ARB, 0x01020101);
1527 	WREG32(mmMME2_RTR_HBW_RD_RQ_N_ARB, 0x01010101);
1528 	WREG32(mmMME1_RTR_HBW_RD_RQ_N_ARB, 0x07010701);
1529 	WREG32(mmMME6_RTR_HBW_RD_RQ_S_ARB, 0x04010401);
1530 	WREG32(mmMME5_RTR_HBW_RD_RQ_S_ARB, 0x04050401);
1531 	WREG32(mmMME4_RTR_HBW_RD_RQ_S_ARB, 0x03070301);
1532 	WREG32(mmMME3_RTR_HBW_RD_RQ_S_ARB, 0x01030101);
1533 	WREG32(mmMME2_RTR_HBW_RD_RQ_S_ARB, 0x01040101);
1534 	WREG32(mmMME1_RTR_HBW_RD_RQ_S_ARB, 0x01050105);
1535 	WREG32(mmMME6_RTR_HBW_RD_RQ_W_ARB, 0x01010501);
1536 	WREG32(mmMME5_RTR_HBW_RD_RQ_W_ARB, 0x01010501);
1537 	WREG32(mmMME4_RTR_HBW_RD_RQ_W_ARB, 0x01040301);
1538 	WREG32(mmMME3_RTR_HBW_RD_RQ_W_ARB, 0x01030401);
1539 	WREG32(mmMME2_RTR_HBW_RD_RQ_W_ARB, 0x01040101);
1540 	WREG32(mmMME1_RTR_HBW_RD_RQ_W_ARB, 0x01050101);
1541 	WREG32(mmMME6_RTR_HBW_WR_RQ_N_ARB, 0x02020202);
1542 	WREG32(mmMME5_RTR_HBW_WR_RQ_N_ARB, 0x01070101);
1543 	WREG32(mmMME4_RTR_HBW_WR_RQ_N_ARB, 0x02020201);
1544 	WREG32(mmMME3_RTR_HBW_WR_RQ_N_ARB, 0x07020701);
1545 	WREG32(mmMME2_RTR_HBW_WR_RQ_N_ARB, 0x01020101);
1546 	WREG32(mmMME1_RTR_HBW_WR_RQ_S_ARB, 0x01010101);
1547 	WREG32(mmMME6_RTR_HBW_WR_RQ_S_ARB, 0x01070101);
1548 	WREG32(mmMME5_RTR_HBW_WR_RQ_S_ARB, 0x01070101);
1549 	WREG32(mmMME4_RTR_HBW_WR_RQ_S_ARB, 0x07020701);
1550 	WREG32(mmMME3_RTR_HBW_WR_RQ_S_ARB, 0x02020201);
1551 	WREG32(mmMME2_RTR_HBW_WR_RQ_S_ARB, 0x01070101);
1552 	WREG32(mmMME1_RTR_HBW_WR_RQ_S_ARB, 0x01020102);
1553 	WREG32(mmMME6_RTR_HBW_WR_RQ_W_ARB, 0x01020701);
1554 	WREG32(mmMME5_RTR_HBW_WR_RQ_W_ARB, 0x01020701);
1555 	WREG32(mmMME4_RTR_HBW_WR_RQ_W_ARB, 0x07020707);
1556 	WREG32(mmMME3_RTR_HBW_WR_RQ_W_ARB, 0x01020201);
1557 	WREG32(mmMME2_RTR_HBW_WR_RQ_W_ARB, 0x01070201);
1558 	WREG32(mmMME1_RTR_HBW_WR_RQ_W_ARB, 0x01070201);
1559 	WREG32(mmMME6_RTR_HBW_RD_RS_N_ARB, 0x01070102);
1560 	WREG32(mmMME5_RTR_HBW_RD_RS_N_ARB, 0x01070102);
1561 	WREG32(mmMME4_RTR_HBW_RD_RS_N_ARB, 0x01060102);
1562 	WREG32(mmMME3_RTR_HBW_RD_RS_N_ARB, 0x01040102);
1563 	WREG32(mmMME2_RTR_HBW_RD_RS_N_ARB, 0x01020102);
1564 	WREG32(mmMME1_RTR_HBW_RD_RS_N_ARB, 0x01020107);
1565 	WREG32(mmMME6_RTR_HBW_RD_RS_S_ARB, 0x01020106);
1566 	WREG32(mmMME5_RTR_HBW_RD_RS_S_ARB, 0x01020102);
1567 	WREG32(mmMME4_RTR_HBW_RD_RS_S_ARB, 0x01040102);
1568 	WREG32(mmMME3_RTR_HBW_RD_RS_S_ARB, 0x01060102);
1569 	WREG32(mmMME2_RTR_HBW_RD_RS_S_ARB, 0x01070102);
1570 	WREG32(mmMME1_RTR_HBW_RD_RS_S_ARB, 0x01070102);
1571 	WREG32(mmMME6_RTR_HBW_RD_RS_E_ARB, 0x01020702);
1572 	WREG32(mmMME5_RTR_HBW_RD_RS_E_ARB, 0x01020702);
1573 	WREG32(mmMME4_RTR_HBW_RD_RS_E_ARB, 0x01040602);
1574 	WREG32(mmMME3_RTR_HBW_RD_RS_E_ARB, 0x01060402);
1575 	WREG32(mmMME2_RTR_HBW_RD_RS_E_ARB, 0x01070202);
1576 	WREG32(mmMME1_RTR_HBW_RD_RS_E_ARB, 0x01070102);
1577 	WREG32(mmMME6_RTR_HBW_RD_RS_W_ARB, 0x01060401);
1578 	WREG32(mmMME5_RTR_HBW_RD_RS_W_ARB, 0x01060401);
1579 	WREG32(mmMME4_RTR_HBW_RD_RS_W_ARB, 0x01060401);
1580 	WREG32(mmMME3_RTR_HBW_RD_RS_W_ARB, 0x01060401);
1581 	WREG32(mmMME2_RTR_HBW_RD_RS_W_ARB, 0x01060401);
1582 	WREG32(mmMME1_RTR_HBW_RD_RS_W_ARB, 0x01060401);
1583 	WREG32(mmMME6_RTR_HBW_WR_RS_N_ARB, 0x01050101);
1584 	WREG32(mmMME5_RTR_HBW_WR_RS_N_ARB, 0x01040101);
1585 	WREG32(mmMME4_RTR_HBW_WR_RS_N_ARB, 0x01030101);
1586 	WREG32(mmMME3_RTR_HBW_WR_RS_N_ARB, 0x01020101);
1587 	WREG32(mmMME2_RTR_HBW_WR_RS_N_ARB, 0x01010101);
1588 	WREG32(mmMME1_RTR_HBW_WR_RS_N_ARB, 0x01010107);
1589 	WREG32(mmMME6_RTR_HBW_WR_RS_S_ARB, 0x01010107);
1590 	WREG32(mmMME5_RTR_HBW_WR_RS_S_ARB, 0x01010101);
1591 	WREG32(mmMME4_RTR_HBW_WR_RS_S_ARB, 0x01020101);
1592 	WREG32(mmMME3_RTR_HBW_WR_RS_S_ARB, 0x01030101);
1593 	WREG32(mmMME2_RTR_HBW_WR_RS_S_ARB, 0x01040101);
1594 	WREG32(mmMME1_RTR_HBW_WR_RS_S_ARB, 0x01050101);
1595 	WREG32(mmMME6_RTR_HBW_WR_RS_E_ARB, 0x01010501);
1596 	WREG32(mmMME5_RTR_HBW_WR_RS_E_ARB, 0x01010501);
1597 	WREG32(mmMME4_RTR_HBW_WR_RS_E_ARB, 0x01040301);
1598 	WREG32(mmMME3_RTR_HBW_WR_RS_E_ARB, 0x01030401);
1599 	WREG32(mmMME2_RTR_HBW_WR_RS_E_ARB, 0x01040101);
1600 	WREG32(mmMME1_RTR_HBW_WR_RS_E_ARB, 0x01050101);
1601 	WREG32(mmMME6_RTR_HBW_WR_RS_W_ARB, 0x01010101);
1602 	WREG32(mmMME5_RTR_HBW_WR_RS_W_ARB, 0x01010101);
1603 	WREG32(mmMME4_RTR_HBW_WR_RS_W_ARB, 0x01010101);
1604 	WREG32(mmMME3_RTR_HBW_WR_RS_W_ARB, 0x01010101);
1605 	WREG32(mmMME2_RTR_HBW_WR_RS_W_ARB, 0x01010101);
1606 	WREG32(mmMME1_RTR_HBW_WR_RS_W_ARB, 0x01010101);
1607 
1608 	WREG32(mmTPC1_RTR_HBW_RD_RQ_N_ARB, 0x01010101);
1609 	WREG32(mmTPC1_RTR_HBW_RD_RQ_S_ARB, 0x01010101);
1610 	WREG32(mmTPC1_RTR_HBW_RD_RQ_E_ARB, 0x01060101);
1611 	WREG32(mmTPC1_RTR_HBW_WR_RQ_N_ARB, 0x02020102);
1612 	WREG32(mmTPC1_RTR_HBW_WR_RQ_S_ARB, 0x01010101);
1613 	WREG32(mmTPC1_RTR_HBW_WR_RQ_E_ARB, 0x02070202);
1614 	WREG32(mmTPC1_RTR_HBW_RD_RS_N_ARB, 0x01020201);
1615 	WREG32(mmTPC1_RTR_HBW_RD_RS_S_ARB, 0x01070201);
1616 	WREG32(mmTPC1_RTR_HBW_RD_RS_W_ARB, 0x01070202);
1617 	WREG32(mmTPC1_RTR_HBW_WR_RS_N_ARB, 0x01010101);
1618 	WREG32(mmTPC1_RTR_HBW_WR_RS_S_ARB, 0x01050101);
1619 	WREG32(mmTPC1_RTR_HBW_WR_RS_W_ARB, 0x01050101);
1620 
1621 	WREG32(mmTPC2_RTR_HBW_RD_RQ_N_ARB, 0x01020101);
1622 	WREG32(mmTPC2_RTR_HBW_RD_RQ_S_ARB, 0x01050101);
1623 	WREG32(mmTPC2_RTR_HBW_RD_RQ_E_ARB, 0x01010201);
1624 	WREG32(mmTPC2_RTR_HBW_WR_RQ_N_ARB, 0x02040102);
1625 	WREG32(mmTPC2_RTR_HBW_WR_RQ_S_ARB, 0x01050101);
1626 	WREG32(mmTPC2_RTR_HBW_WR_RQ_E_ARB, 0x02060202);
1627 	WREG32(mmTPC2_RTR_HBW_RD_RS_N_ARB, 0x01020201);
1628 	WREG32(mmTPC2_RTR_HBW_RD_RS_S_ARB, 0x01070201);
1629 	WREG32(mmTPC2_RTR_HBW_RD_RS_W_ARB, 0x01070202);
1630 	WREG32(mmTPC2_RTR_HBW_WR_RS_N_ARB, 0x01010101);
1631 	WREG32(mmTPC2_RTR_HBW_WR_RS_S_ARB, 0x01040101);
1632 	WREG32(mmTPC2_RTR_HBW_WR_RS_W_ARB, 0x01040101);
1633 
1634 	WREG32(mmTPC3_RTR_HBW_RD_RQ_N_ARB, 0x01030101);
1635 	WREG32(mmTPC3_RTR_HBW_RD_RQ_S_ARB, 0x01040101);
1636 	WREG32(mmTPC3_RTR_HBW_RD_RQ_E_ARB, 0x01040301);
1637 	WREG32(mmTPC3_RTR_HBW_WR_RQ_N_ARB, 0x02060102);
1638 	WREG32(mmTPC3_RTR_HBW_WR_RQ_S_ARB, 0x01040101);
1639 	WREG32(mmTPC3_RTR_HBW_WR_RQ_E_ARB, 0x01040301);
1640 	WREG32(mmTPC3_RTR_HBW_RD_RS_N_ARB, 0x01040201);
1641 	WREG32(mmTPC3_RTR_HBW_RD_RS_S_ARB, 0x01060201);
1642 	WREG32(mmTPC3_RTR_HBW_RD_RS_W_ARB, 0x01060402);
1643 	WREG32(mmTPC3_RTR_HBW_WR_RS_N_ARB, 0x01020101);
1644 	WREG32(mmTPC3_RTR_HBW_WR_RS_S_ARB, 0x01030101);
1645 	WREG32(mmTPC3_RTR_HBW_WR_RS_W_ARB, 0x01030401);
1646 
1647 	WREG32(mmTPC4_RTR_HBW_RD_RQ_N_ARB, 0x01040101);
1648 	WREG32(mmTPC4_RTR_HBW_RD_RQ_S_ARB, 0x01030101);
1649 	WREG32(mmTPC4_RTR_HBW_RD_RQ_E_ARB, 0x01030401);
1650 	WREG32(mmTPC4_RTR_HBW_WR_RQ_N_ARB, 0x02070102);
1651 	WREG32(mmTPC4_RTR_HBW_WR_RQ_S_ARB, 0x01030101);
1652 	WREG32(mmTPC4_RTR_HBW_WR_RQ_E_ARB, 0x02060702);
1653 	WREG32(mmTPC4_RTR_HBW_RD_RS_N_ARB, 0x01060201);
1654 	WREG32(mmTPC4_RTR_HBW_RD_RS_S_ARB, 0x01040201);
1655 	WREG32(mmTPC4_RTR_HBW_RD_RS_W_ARB, 0x01040602);
1656 	WREG32(mmTPC4_RTR_HBW_WR_RS_N_ARB, 0x01030101);
1657 	WREG32(mmTPC4_RTR_HBW_WR_RS_S_ARB, 0x01020101);
1658 	WREG32(mmTPC4_RTR_HBW_WR_RS_W_ARB, 0x01040301);
1659 
1660 	WREG32(mmTPC5_RTR_HBW_RD_RQ_N_ARB, 0x01050101);
1661 	WREG32(mmTPC5_RTR_HBW_RD_RQ_S_ARB, 0x01020101);
1662 	WREG32(mmTPC5_RTR_HBW_RD_RQ_E_ARB, 0x01200501);
1663 	WREG32(mmTPC5_RTR_HBW_WR_RQ_N_ARB, 0x02070102);
1664 	WREG32(mmTPC5_RTR_HBW_WR_RQ_S_ARB, 0x01020101);
1665 	WREG32(mmTPC5_RTR_HBW_WR_RQ_E_ARB, 0x02020602);
1666 	WREG32(mmTPC5_RTR_HBW_RD_RS_N_ARB, 0x01070201);
1667 	WREG32(mmTPC5_RTR_HBW_RD_RS_S_ARB, 0x01020201);
1668 	WREG32(mmTPC5_RTR_HBW_RD_RS_W_ARB, 0x01020702);
1669 	WREG32(mmTPC5_RTR_HBW_WR_RS_N_ARB, 0x01040101);
1670 	WREG32(mmTPC5_RTR_HBW_WR_RS_S_ARB, 0x01010101);
1671 	WREG32(mmTPC5_RTR_HBW_WR_RS_W_ARB, 0x01010501);
1672 
1673 	WREG32(mmTPC6_RTR_HBW_RD_RQ_N_ARB, 0x01010101);
1674 	WREG32(mmTPC6_RTR_HBW_RD_RQ_S_ARB, 0x01010101);
1675 	WREG32(mmTPC6_RTR_HBW_RD_RQ_E_ARB, 0x01010601);
1676 	WREG32(mmTPC6_RTR_HBW_WR_RQ_N_ARB, 0x01010101);
1677 	WREG32(mmTPC6_RTR_HBW_WR_RQ_S_ARB, 0x01010101);
1678 	WREG32(mmTPC6_RTR_HBW_WR_RQ_E_ARB, 0x02020702);
1679 	WREG32(mmTPC6_RTR_HBW_RD_RS_N_ARB, 0x01010101);
1680 	WREG32(mmTPC6_RTR_HBW_RD_RS_S_ARB, 0x01010101);
1681 	WREG32(mmTPC6_RTR_HBW_RD_RS_W_ARB, 0x01020702);
1682 	WREG32(mmTPC6_RTR_HBW_WR_RS_N_ARB, 0x01050101);
1683 	WREG32(mmTPC6_RTR_HBW_WR_RS_S_ARB, 0x01010101);
1684 	WREG32(mmTPC6_RTR_HBW_WR_RS_W_ARB, 0x01010501);
1685 
1686 	for (i = 0, offset = 0 ; i < 10 ; i++, offset += 4) {
1687 		WREG32(mmMME1_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1688 		WREG32(mmMME2_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1689 		WREG32(mmMME3_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1690 		WREG32(mmMME4_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1691 		WREG32(mmMME5_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1692 		WREG32(mmMME6_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1693 
1694 		WREG32(mmTPC0_NRTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1695 		WREG32(mmTPC1_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1696 		WREG32(mmTPC2_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1697 		WREG32(mmTPC3_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1698 		WREG32(mmTPC4_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1699 		WREG32(mmTPC5_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1700 		WREG32(mmTPC6_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1701 		WREG32(mmTPC7_NRTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1702 
1703 		WREG32(mmPCI_NRTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1704 		WREG32(mmDMA_NRTR_SPLIT_COEF_0 + offset, polynom[i] >> 7);
1705 	}
1706 
1707 	for (i = 0, offset = 0 ; i < 6 ; i++, offset += 0x40000) {
1708 		WREG32(mmMME1_RTR_SCRAMB_EN + offset,
1709 				1 << MME1_RTR_SCRAMB_EN_VAL_SHIFT);
1710 		WREG32(mmMME1_RTR_NON_LIN_SCRAMB + offset,
1711 				1 << MME1_RTR_NON_LIN_SCRAMB_EN_SHIFT);
1712 	}
1713 
1714 	for (i = 0, offset = 0 ; i < 8 ; i++, offset += 0x40000) {
1715 		/*
1716 		 * Workaround for Bug H2 #2441 :
1717 		 * "ST.NOP set trace event illegal opcode"
1718 		 */
1719 		WREG32(mmTPC0_CFG_TPC_INTR_MASK + offset, tpc_intr_mask);
1720 
1721 		WREG32(mmTPC0_NRTR_SCRAMB_EN + offset,
1722 				1 << TPC0_NRTR_SCRAMB_EN_VAL_SHIFT);
1723 		WREG32(mmTPC0_NRTR_NON_LIN_SCRAMB + offset,
1724 				1 << TPC0_NRTR_NON_LIN_SCRAMB_EN_SHIFT);
1725 
1726 		WREG32_FIELD(TPC0_CFG_MSS_CONFIG, offset,
1727 				ICACHE_FETCH_LINE_NUM, 2);
1728 	}
1729 
1730 	WREG32(mmDMA_NRTR_SCRAMB_EN, 1 << DMA_NRTR_SCRAMB_EN_VAL_SHIFT);
1731 	WREG32(mmDMA_NRTR_NON_LIN_SCRAMB,
1732 			1 << DMA_NRTR_NON_LIN_SCRAMB_EN_SHIFT);
1733 
1734 	WREG32(mmPCI_NRTR_SCRAMB_EN, 1 << PCI_NRTR_SCRAMB_EN_VAL_SHIFT);
1735 	WREG32(mmPCI_NRTR_NON_LIN_SCRAMB,
1736 			1 << PCI_NRTR_NON_LIN_SCRAMB_EN_SHIFT);
1737 
1738 	/*
1739 	 * Workaround for H2 #HW-23 bug
1740 	 * Set DMA max outstanding read requests to 240 on DMA CH 1.
1741 	 * This limitation is still large enough to not affect Gen4 bandwidth.
1742 	 * We need to only limit that DMA channel because the user can only read
1743 	 * from Host using DMA CH 1
1744 	 */
1745 	WREG32(mmDMA_CH_1_CFG0, 0x0fff00F0);
1746 
1747 	WREG32(mmTPC_PLL_CLK_RLX_0, 0x200020);
1748 
1749 	goya->hw_cap_initialized |= HW_CAP_GOLDEN;
1750 }
1751 
goya_init_mme_qman(struct hl_device * hdev)1752 static void goya_init_mme_qman(struct hl_device *hdev)
1753 {
1754 	u32 mtr_base_lo, mtr_base_hi;
1755 	u32 so_base_lo, so_base_hi;
1756 	u32 gic_base_lo, gic_base_hi;
1757 	u64 qman_base_addr;
1758 
1759 	mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1760 	mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1761 	so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1762 	so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1763 
1764 	gic_base_lo =
1765 		lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1766 	gic_base_hi =
1767 		upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1768 
1769 	qman_base_addr = hdev->asic_prop.sram_base_address +
1770 				MME_QMAN_BASE_OFFSET;
1771 
1772 	WREG32(mmMME_QM_PQ_BASE_LO, lower_32_bits(qman_base_addr));
1773 	WREG32(mmMME_QM_PQ_BASE_HI, upper_32_bits(qman_base_addr));
1774 	WREG32(mmMME_QM_PQ_SIZE, ilog2(MME_QMAN_LENGTH));
1775 	WREG32(mmMME_QM_PQ_PI, 0);
1776 	WREG32(mmMME_QM_PQ_CI, 0);
1777 	WREG32(mmMME_QM_CP_LDMA_SRC_BASE_LO_OFFSET, 0x10C0);
1778 	WREG32(mmMME_QM_CP_LDMA_SRC_BASE_HI_OFFSET, 0x10C4);
1779 	WREG32(mmMME_QM_CP_LDMA_TSIZE_OFFSET, 0x10C8);
1780 	WREG32(mmMME_QM_CP_LDMA_COMMIT_OFFSET, 0x10CC);
1781 
1782 	WREG32(mmMME_QM_CP_MSG_BASE0_ADDR_LO, mtr_base_lo);
1783 	WREG32(mmMME_QM_CP_MSG_BASE0_ADDR_HI, mtr_base_hi);
1784 	WREG32(mmMME_QM_CP_MSG_BASE1_ADDR_LO, so_base_lo);
1785 	WREG32(mmMME_QM_CP_MSG_BASE1_ADDR_HI, so_base_hi);
1786 
1787 	/* QMAN CQ has 8 cache lines */
1788 	WREG32(mmMME_QM_CQ_CFG1, 0x00080008);
1789 
1790 	WREG32(mmMME_QM_GLBL_ERR_ADDR_LO, gic_base_lo);
1791 	WREG32(mmMME_QM_GLBL_ERR_ADDR_HI, gic_base_hi);
1792 
1793 	WREG32(mmMME_QM_GLBL_ERR_WDATA, GOYA_ASYNC_EVENT_ID_MME_QM);
1794 
1795 	WREG32(mmMME_QM_GLBL_ERR_CFG, QMAN_MME_ERR_MSG_EN);
1796 
1797 	WREG32(mmMME_QM_GLBL_PROT, QMAN_MME_ERR_PROT);
1798 
1799 	WREG32(mmMME_QM_GLBL_CFG0, QMAN_MME_ENABLE);
1800 }
1801 
goya_init_mme_cmdq(struct hl_device * hdev)1802 static void goya_init_mme_cmdq(struct hl_device *hdev)
1803 {
1804 	u32 mtr_base_lo, mtr_base_hi;
1805 	u32 so_base_lo, so_base_hi;
1806 	u32 gic_base_lo, gic_base_hi;
1807 
1808 	mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1809 	mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1810 	so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1811 	so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1812 
1813 	gic_base_lo =
1814 		lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1815 	gic_base_hi =
1816 		upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1817 
1818 	WREG32(mmMME_CMDQ_CP_MSG_BASE0_ADDR_LO, mtr_base_lo);
1819 	WREG32(mmMME_CMDQ_CP_MSG_BASE0_ADDR_HI, mtr_base_hi);
1820 	WREG32(mmMME_CMDQ_CP_MSG_BASE1_ADDR_LO,	so_base_lo);
1821 	WREG32(mmMME_CMDQ_CP_MSG_BASE1_ADDR_HI, so_base_hi);
1822 
1823 	/* CMDQ CQ has 20 cache lines */
1824 	WREG32(mmMME_CMDQ_CQ_CFG1, 0x00140014);
1825 
1826 	WREG32(mmMME_CMDQ_GLBL_ERR_ADDR_LO, gic_base_lo);
1827 	WREG32(mmMME_CMDQ_GLBL_ERR_ADDR_HI, gic_base_hi);
1828 
1829 	WREG32(mmMME_CMDQ_GLBL_ERR_WDATA, GOYA_ASYNC_EVENT_ID_MME_CMDQ);
1830 
1831 	WREG32(mmMME_CMDQ_GLBL_ERR_CFG, CMDQ_MME_ERR_MSG_EN);
1832 
1833 	WREG32(mmMME_CMDQ_GLBL_PROT, CMDQ_MME_ERR_PROT);
1834 
1835 	WREG32(mmMME_CMDQ_GLBL_CFG0, CMDQ_MME_ENABLE);
1836 }
1837 
goya_init_mme_qmans(struct hl_device * hdev)1838 void goya_init_mme_qmans(struct hl_device *hdev)
1839 {
1840 	struct goya_device *goya = hdev->asic_specific;
1841 	u32 so_base_lo, so_base_hi;
1842 
1843 	if (goya->hw_cap_initialized & HW_CAP_MME)
1844 		return;
1845 
1846 	so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1847 	so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1848 
1849 	WREG32(mmMME_SM_BASE_ADDRESS_LOW, so_base_lo);
1850 	WREG32(mmMME_SM_BASE_ADDRESS_HIGH, so_base_hi);
1851 
1852 	goya_init_mme_qman(hdev);
1853 	goya_init_mme_cmdq(hdev);
1854 
1855 	goya->hw_cap_initialized |= HW_CAP_MME;
1856 }
1857 
goya_init_tpc_qman(struct hl_device * hdev,u32 base_off,int tpc_id)1858 static void goya_init_tpc_qman(struct hl_device *hdev, u32 base_off, int tpc_id)
1859 {
1860 	u32 mtr_base_lo, mtr_base_hi;
1861 	u32 so_base_lo, so_base_hi;
1862 	u32 gic_base_lo, gic_base_hi;
1863 	u64 qman_base_addr;
1864 	u32 reg_off = tpc_id * (mmTPC1_QM_PQ_PI - mmTPC0_QM_PQ_PI);
1865 
1866 	mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1867 	mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1868 	so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1869 	so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1870 
1871 	gic_base_lo =
1872 		lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1873 	gic_base_hi =
1874 		upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1875 
1876 	qman_base_addr = hdev->asic_prop.sram_base_address + base_off;
1877 
1878 	WREG32(mmTPC0_QM_PQ_BASE_LO + reg_off, lower_32_bits(qman_base_addr));
1879 	WREG32(mmTPC0_QM_PQ_BASE_HI + reg_off, upper_32_bits(qman_base_addr));
1880 	WREG32(mmTPC0_QM_PQ_SIZE + reg_off, ilog2(TPC_QMAN_LENGTH));
1881 	WREG32(mmTPC0_QM_PQ_PI + reg_off, 0);
1882 	WREG32(mmTPC0_QM_PQ_CI + reg_off, 0);
1883 	WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_LO_OFFSET + reg_off, 0x10C0);
1884 	WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_HI_OFFSET + reg_off, 0x10C4);
1885 	WREG32(mmTPC0_QM_CP_LDMA_TSIZE_OFFSET + reg_off, 0x10C8);
1886 	WREG32(mmTPC0_QM_CP_LDMA_COMMIT_OFFSET + reg_off, 0x10CC);
1887 
1888 	WREG32(mmTPC0_QM_CP_MSG_BASE0_ADDR_LO + reg_off, mtr_base_lo);
1889 	WREG32(mmTPC0_QM_CP_MSG_BASE0_ADDR_HI + reg_off, mtr_base_hi);
1890 	WREG32(mmTPC0_QM_CP_MSG_BASE1_ADDR_LO + reg_off, so_base_lo);
1891 	WREG32(mmTPC0_QM_CP_MSG_BASE1_ADDR_HI + reg_off, so_base_hi);
1892 
1893 	WREG32(mmTPC0_QM_CQ_CFG1 + reg_off, 0x00080008);
1894 
1895 	WREG32(mmTPC0_QM_GLBL_ERR_ADDR_LO + reg_off, gic_base_lo);
1896 	WREG32(mmTPC0_QM_GLBL_ERR_ADDR_HI + reg_off, gic_base_hi);
1897 
1898 	WREG32(mmTPC0_QM_GLBL_ERR_WDATA + reg_off,
1899 			GOYA_ASYNC_EVENT_ID_TPC0_QM + tpc_id);
1900 
1901 	WREG32(mmTPC0_QM_GLBL_ERR_CFG + reg_off, QMAN_TPC_ERR_MSG_EN);
1902 
1903 	WREG32(mmTPC0_QM_GLBL_PROT + reg_off, QMAN_TPC_ERR_PROT);
1904 
1905 	WREG32(mmTPC0_QM_GLBL_CFG0 + reg_off, QMAN_TPC_ENABLE);
1906 }
1907 
goya_init_tpc_cmdq(struct hl_device * hdev,int tpc_id)1908 static void goya_init_tpc_cmdq(struct hl_device *hdev, int tpc_id)
1909 {
1910 	u32 mtr_base_lo, mtr_base_hi;
1911 	u32 so_base_lo, so_base_hi;
1912 	u32 gic_base_lo, gic_base_hi;
1913 	u32 reg_off = tpc_id * (mmTPC1_CMDQ_CQ_CFG1 - mmTPC0_CMDQ_CQ_CFG1);
1914 
1915 	mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1916 	mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0);
1917 	so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1918 	so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1919 
1920 	gic_base_lo =
1921 		lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1922 	gic_base_hi =
1923 		upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR);
1924 
1925 	WREG32(mmTPC0_CMDQ_CP_MSG_BASE0_ADDR_LO + reg_off, mtr_base_lo);
1926 	WREG32(mmTPC0_CMDQ_CP_MSG_BASE0_ADDR_HI + reg_off, mtr_base_hi);
1927 	WREG32(mmTPC0_CMDQ_CP_MSG_BASE1_ADDR_LO + reg_off, so_base_lo);
1928 	WREG32(mmTPC0_CMDQ_CP_MSG_BASE1_ADDR_HI + reg_off, so_base_hi);
1929 
1930 	WREG32(mmTPC0_CMDQ_CQ_CFG1 + reg_off, 0x00140014);
1931 
1932 	WREG32(mmTPC0_CMDQ_GLBL_ERR_ADDR_LO + reg_off, gic_base_lo);
1933 	WREG32(mmTPC0_CMDQ_GLBL_ERR_ADDR_HI + reg_off, gic_base_hi);
1934 
1935 	WREG32(mmTPC0_CMDQ_GLBL_ERR_WDATA + reg_off,
1936 			GOYA_ASYNC_EVENT_ID_TPC0_CMDQ + tpc_id);
1937 
1938 	WREG32(mmTPC0_CMDQ_GLBL_ERR_CFG + reg_off, CMDQ_TPC_ERR_MSG_EN);
1939 
1940 	WREG32(mmTPC0_CMDQ_GLBL_PROT + reg_off, CMDQ_TPC_ERR_PROT);
1941 
1942 	WREG32(mmTPC0_CMDQ_GLBL_CFG0 + reg_off, CMDQ_TPC_ENABLE);
1943 }
1944 
goya_init_tpc_qmans(struct hl_device * hdev)1945 void goya_init_tpc_qmans(struct hl_device *hdev)
1946 {
1947 	struct goya_device *goya = hdev->asic_specific;
1948 	u32 so_base_lo, so_base_hi;
1949 	u32 cfg_off = mmTPC1_CFG_SM_BASE_ADDRESS_LOW -
1950 			mmTPC0_CFG_SM_BASE_ADDRESS_LOW;
1951 	int i;
1952 
1953 	if (goya->hw_cap_initialized & HW_CAP_TPC)
1954 		return;
1955 
1956 	so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1957 	so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
1958 
1959 	for (i = 0 ; i < TPC_MAX_NUM ; i++) {
1960 		WREG32(mmTPC0_CFG_SM_BASE_ADDRESS_LOW + i * cfg_off,
1961 				so_base_lo);
1962 		WREG32(mmTPC0_CFG_SM_BASE_ADDRESS_HIGH + i * cfg_off,
1963 				so_base_hi);
1964 	}
1965 
1966 	goya_init_tpc_qman(hdev, TPC0_QMAN_BASE_OFFSET, 0);
1967 	goya_init_tpc_qman(hdev, TPC1_QMAN_BASE_OFFSET, 1);
1968 	goya_init_tpc_qman(hdev, TPC2_QMAN_BASE_OFFSET, 2);
1969 	goya_init_tpc_qman(hdev, TPC3_QMAN_BASE_OFFSET, 3);
1970 	goya_init_tpc_qman(hdev, TPC4_QMAN_BASE_OFFSET, 4);
1971 	goya_init_tpc_qman(hdev, TPC5_QMAN_BASE_OFFSET, 5);
1972 	goya_init_tpc_qman(hdev, TPC6_QMAN_BASE_OFFSET, 6);
1973 	goya_init_tpc_qman(hdev, TPC7_QMAN_BASE_OFFSET, 7);
1974 
1975 	for (i = 0 ; i < TPC_MAX_NUM ; i++)
1976 		goya_init_tpc_cmdq(hdev, i);
1977 
1978 	goya->hw_cap_initialized |= HW_CAP_TPC;
1979 }
1980 
1981 /*
1982  * goya_disable_internal_queues - Disable internal queues
1983  *
1984  * @hdev: pointer to hl_device structure
1985  *
1986  */
goya_disable_internal_queues(struct hl_device * hdev)1987 static void goya_disable_internal_queues(struct hl_device *hdev)
1988 {
1989 	struct goya_device *goya = hdev->asic_specific;
1990 
1991 	if (!(goya->hw_cap_initialized & HW_CAP_MME))
1992 		goto disable_tpc;
1993 
1994 	WREG32(mmMME_QM_GLBL_CFG0, 0);
1995 	WREG32(mmMME_CMDQ_GLBL_CFG0, 0);
1996 
1997 disable_tpc:
1998 	if (!(goya->hw_cap_initialized & HW_CAP_TPC))
1999 		return;
2000 
2001 	WREG32(mmTPC0_QM_GLBL_CFG0, 0);
2002 	WREG32(mmTPC0_CMDQ_GLBL_CFG0, 0);
2003 
2004 	WREG32(mmTPC1_QM_GLBL_CFG0, 0);
2005 	WREG32(mmTPC1_CMDQ_GLBL_CFG0, 0);
2006 
2007 	WREG32(mmTPC2_QM_GLBL_CFG0, 0);
2008 	WREG32(mmTPC2_CMDQ_GLBL_CFG0, 0);
2009 
2010 	WREG32(mmTPC3_QM_GLBL_CFG0, 0);
2011 	WREG32(mmTPC3_CMDQ_GLBL_CFG0, 0);
2012 
2013 	WREG32(mmTPC4_QM_GLBL_CFG0, 0);
2014 	WREG32(mmTPC4_CMDQ_GLBL_CFG0, 0);
2015 
2016 	WREG32(mmTPC5_QM_GLBL_CFG0, 0);
2017 	WREG32(mmTPC5_CMDQ_GLBL_CFG0, 0);
2018 
2019 	WREG32(mmTPC6_QM_GLBL_CFG0, 0);
2020 	WREG32(mmTPC6_CMDQ_GLBL_CFG0, 0);
2021 
2022 	WREG32(mmTPC7_QM_GLBL_CFG0, 0);
2023 	WREG32(mmTPC7_CMDQ_GLBL_CFG0, 0);
2024 }
2025 
2026 /*
2027  * goya_stop_internal_queues - Stop internal queues
2028  *
2029  * @hdev: pointer to hl_device structure
2030  *
2031  * Returns 0 on success
2032  *
2033  */
goya_stop_internal_queues(struct hl_device * hdev)2034 static int goya_stop_internal_queues(struct hl_device *hdev)
2035 {
2036 	struct goya_device *goya = hdev->asic_specific;
2037 	int rc, retval = 0;
2038 
2039 	if (!(goya->hw_cap_initialized & HW_CAP_MME))
2040 		goto stop_tpc;
2041 
2042 	/*
2043 	 * Each queue (QMAN) is a separate H/W logic. That means that each
2044 	 * QMAN can be stopped independently and failure to stop one does NOT
2045 	 * mandate we should not try to stop other QMANs
2046 	 */
2047 
2048 	rc = goya_stop_queue(hdev,
2049 			mmMME_QM_GLBL_CFG1,
2050 			mmMME_QM_CP_STS,
2051 			mmMME_QM_GLBL_STS0);
2052 
2053 	if (rc) {
2054 		dev_err(hdev->dev, "failed to stop MME QMAN\n");
2055 		retval = -EIO;
2056 	}
2057 
2058 	rc = goya_stop_queue(hdev,
2059 			mmMME_CMDQ_GLBL_CFG1,
2060 			mmMME_CMDQ_CP_STS,
2061 			mmMME_CMDQ_GLBL_STS0);
2062 
2063 	if (rc) {
2064 		dev_err(hdev->dev, "failed to stop MME CMDQ\n");
2065 		retval = -EIO;
2066 	}
2067 
2068 stop_tpc:
2069 	if (!(goya->hw_cap_initialized & HW_CAP_TPC))
2070 		return retval;
2071 
2072 	rc = goya_stop_queue(hdev,
2073 			mmTPC0_QM_GLBL_CFG1,
2074 			mmTPC0_QM_CP_STS,
2075 			mmTPC0_QM_GLBL_STS0);
2076 
2077 	if (rc) {
2078 		dev_err(hdev->dev, "failed to stop TPC 0 QMAN\n");
2079 		retval = -EIO;
2080 	}
2081 
2082 	rc = goya_stop_queue(hdev,
2083 			mmTPC0_CMDQ_GLBL_CFG1,
2084 			mmTPC0_CMDQ_CP_STS,
2085 			mmTPC0_CMDQ_GLBL_STS0);
2086 
2087 	if (rc) {
2088 		dev_err(hdev->dev, "failed to stop TPC 0 CMDQ\n");
2089 		retval = -EIO;
2090 	}
2091 
2092 	rc = goya_stop_queue(hdev,
2093 			mmTPC1_QM_GLBL_CFG1,
2094 			mmTPC1_QM_CP_STS,
2095 			mmTPC1_QM_GLBL_STS0);
2096 
2097 	if (rc) {
2098 		dev_err(hdev->dev, "failed to stop TPC 1 QMAN\n");
2099 		retval = -EIO;
2100 	}
2101 
2102 	rc = goya_stop_queue(hdev,
2103 			mmTPC1_CMDQ_GLBL_CFG1,
2104 			mmTPC1_CMDQ_CP_STS,
2105 			mmTPC1_CMDQ_GLBL_STS0);
2106 
2107 	if (rc) {
2108 		dev_err(hdev->dev, "failed to stop TPC 1 CMDQ\n");
2109 		retval = -EIO;
2110 	}
2111 
2112 	rc = goya_stop_queue(hdev,
2113 			mmTPC2_QM_GLBL_CFG1,
2114 			mmTPC2_QM_CP_STS,
2115 			mmTPC2_QM_GLBL_STS0);
2116 
2117 	if (rc) {
2118 		dev_err(hdev->dev, "failed to stop TPC 2 QMAN\n");
2119 		retval = -EIO;
2120 	}
2121 
2122 	rc = goya_stop_queue(hdev,
2123 			mmTPC2_CMDQ_GLBL_CFG1,
2124 			mmTPC2_CMDQ_CP_STS,
2125 			mmTPC2_CMDQ_GLBL_STS0);
2126 
2127 	if (rc) {
2128 		dev_err(hdev->dev, "failed to stop TPC 2 CMDQ\n");
2129 		retval = -EIO;
2130 	}
2131 
2132 	rc = goya_stop_queue(hdev,
2133 			mmTPC3_QM_GLBL_CFG1,
2134 			mmTPC3_QM_CP_STS,
2135 			mmTPC3_QM_GLBL_STS0);
2136 
2137 	if (rc) {
2138 		dev_err(hdev->dev, "failed to stop TPC 3 QMAN\n");
2139 		retval = -EIO;
2140 	}
2141 
2142 	rc = goya_stop_queue(hdev,
2143 			mmTPC3_CMDQ_GLBL_CFG1,
2144 			mmTPC3_CMDQ_CP_STS,
2145 			mmTPC3_CMDQ_GLBL_STS0);
2146 
2147 	if (rc) {
2148 		dev_err(hdev->dev, "failed to stop TPC 3 CMDQ\n");
2149 		retval = -EIO;
2150 	}
2151 
2152 	rc = goya_stop_queue(hdev,
2153 			mmTPC4_QM_GLBL_CFG1,
2154 			mmTPC4_QM_CP_STS,
2155 			mmTPC4_QM_GLBL_STS0);
2156 
2157 	if (rc) {
2158 		dev_err(hdev->dev, "failed to stop TPC 4 QMAN\n");
2159 		retval = -EIO;
2160 	}
2161 
2162 	rc = goya_stop_queue(hdev,
2163 			mmTPC4_CMDQ_GLBL_CFG1,
2164 			mmTPC4_CMDQ_CP_STS,
2165 			mmTPC4_CMDQ_GLBL_STS0);
2166 
2167 	if (rc) {
2168 		dev_err(hdev->dev, "failed to stop TPC 4 CMDQ\n");
2169 		retval = -EIO;
2170 	}
2171 
2172 	rc = goya_stop_queue(hdev,
2173 			mmTPC5_QM_GLBL_CFG1,
2174 			mmTPC5_QM_CP_STS,
2175 			mmTPC5_QM_GLBL_STS0);
2176 
2177 	if (rc) {
2178 		dev_err(hdev->dev, "failed to stop TPC 5 QMAN\n");
2179 		retval = -EIO;
2180 	}
2181 
2182 	rc = goya_stop_queue(hdev,
2183 			mmTPC5_CMDQ_GLBL_CFG1,
2184 			mmTPC5_CMDQ_CP_STS,
2185 			mmTPC5_CMDQ_GLBL_STS0);
2186 
2187 	if (rc) {
2188 		dev_err(hdev->dev, "failed to stop TPC 5 CMDQ\n");
2189 		retval = -EIO;
2190 	}
2191 
2192 	rc = goya_stop_queue(hdev,
2193 			mmTPC6_QM_GLBL_CFG1,
2194 			mmTPC6_QM_CP_STS,
2195 			mmTPC6_QM_GLBL_STS0);
2196 
2197 	if (rc) {
2198 		dev_err(hdev->dev, "failed to stop TPC 6 QMAN\n");
2199 		retval = -EIO;
2200 	}
2201 
2202 	rc = goya_stop_queue(hdev,
2203 			mmTPC6_CMDQ_GLBL_CFG1,
2204 			mmTPC6_CMDQ_CP_STS,
2205 			mmTPC6_CMDQ_GLBL_STS0);
2206 
2207 	if (rc) {
2208 		dev_err(hdev->dev, "failed to stop TPC 6 CMDQ\n");
2209 		retval = -EIO;
2210 	}
2211 
2212 	rc = goya_stop_queue(hdev,
2213 			mmTPC7_QM_GLBL_CFG1,
2214 			mmTPC7_QM_CP_STS,
2215 			mmTPC7_QM_GLBL_STS0);
2216 
2217 	if (rc) {
2218 		dev_err(hdev->dev, "failed to stop TPC 7 QMAN\n");
2219 		retval = -EIO;
2220 	}
2221 
2222 	rc = goya_stop_queue(hdev,
2223 			mmTPC7_CMDQ_GLBL_CFG1,
2224 			mmTPC7_CMDQ_CP_STS,
2225 			mmTPC7_CMDQ_GLBL_STS0);
2226 
2227 	if (rc) {
2228 		dev_err(hdev->dev, "failed to stop TPC 7 CMDQ\n");
2229 		retval = -EIO;
2230 	}
2231 
2232 	return retval;
2233 }
2234 
goya_dma_stall(struct hl_device * hdev)2235 static void goya_dma_stall(struct hl_device *hdev)
2236 {
2237 	struct goya_device *goya = hdev->asic_specific;
2238 
2239 	if (!(goya->hw_cap_initialized & HW_CAP_DMA))
2240 		return;
2241 
2242 	WREG32(mmDMA_QM_0_GLBL_CFG1, 1 << DMA_QM_0_GLBL_CFG1_DMA_STOP_SHIFT);
2243 	WREG32(mmDMA_QM_1_GLBL_CFG1, 1 << DMA_QM_1_GLBL_CFG1_DMA_STOP_SHIFT);
2244 	WREG32(mmDMA_QM_2_GLBL_CFG1, 1 << DMA_QM_2_GLBL_CFG1_DMA_STOP_SHIFT);
2245 	WREG32(mmDMA_QM_3_GLBL_CFG1, 1 << DMA_QM_3_GLBL_CFG1_DMA_STOP_SHIFT);
2246 	WREG32(mmDMA_QM_4_GLBL_CFG1, 1 << DMA_QM_4_GLBL_CFG1_DMA_STOP_SHIFT);
2247 }
2248 
goya_tpc_stall(struct hl_device * hdev)2249 static void goya_tpc_stall(struct hl_device *hdev)
2250 {
2251 	struct goya_device *goya = hdev->asic_specific;
2252 
2253 	if (!(goya->hw_cap_initialized & HW_CAP_TPC))
2254 		return;
2255 
2256 	WREG32(mmTPC0_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT);
2257 	WREG32(mmTPC1_CFG_TPC_STALL, 1 << TPC1_CFG_TPC_STALL_V_SHIFT);
2258 	WREG32(mmTPC2_CFG_TPC_STALL, 1 << TPC2_CFG_TPC_STALL_V_SHIFT);
2259 	WREG32(mmTPC3_CFG_TPC_STALL, 1 << TPC3_CFG_TPC_STALL_V_SHIFT);
2260 	WREG32(mmTPC4_CFG_TPC_STALL, 1 << TPC4_CFG_TPC_STALL_V_SHIFT);
2261 	WREG32(mmTPC5_CFG_TPC_STALL, 1 << TPC5_CFG_TPC_STALL_V_SHIFT);
2262 	WREG32(mmTPC6_CFG_TPC_STALL, 1 << TPC6_CFG_TPC_STALL_V_SHIFT);
2263 	WREG32(mmTPC7_CFG_TPC_STALL, 1 << TPC7_CFG_TPC_STALL_V_SHIFT);
2264 }
2265 
goya_mme_stall(struct hl_device * hdev)2266 static void goya_mme_stall(struct hl_device *hdev)
2267 {
2268 	struct goya_device *goya = hdev->asic_specific;
2269 
2270 	if (!(goya->hw_cap_initialized & HW_CAP_MME))
2271 		return;
2272 
2273 	WREG32(mmMME_STALL, 0xFFFFFFFF);
2274 }
2275 
goya_enable_msix(struct hl_device * hdev)2276 static int goya_enable_msix(struct hl_device *hdev)
2277 {
2278 	struct goya_device *goya = hdev->asic_specific;
2279 	int cq_cnt = hdev->asic_prop.completion_queues_count;
2280 	int rc, i, irq_cnt_init, irq;
2281 
2282 	if (goya->hw_cap_initialized & HW_CAP_MSIX)
2283 		return 0;
2284 
2285 	rc = pci_alloc_irq_vectors(hdev->pdev, GOYA_MSIX_ENTRIES,
2286 				GOYA_MSIX_ENTRIES, PCI_IRQ_MSIX);
2287 	if (rc < 0) {
2288 		dev_err(hdev->dev,
2289 			"MSI-X: Failed to enable support -- %d/%d\n",
2290 			GOYA_MSIX_ENTRIES, rc);
2291 		return rc;
2292 	}
2293 
2294 	for (i = 0, irq_cnt_init = 0 ; i < cq_cnt ; i++, irq_cnt_init++) {
2295 		irq = pci_irq_vector(hdev->pdev, i);
2296 		rc = request_irq(irq, hl_irq_handler_cq, 0, goya_irq_name[i],
2297 				&hdev->completion_queue[i]);
2298 		if (rc) {
2299 			dev_err(hdev->dev, "Failed to request IRQ %d", irq);
2300 			goto free_irqs;
2301 		}
2302 	}
2303 
2304 	irq = pci_irq_vector(hdev->pdev, GOYA_EVENT_QUEUE_MSIX_IDX);
2305 
2306 	rc = request_irq(irq, hl_irq_handler_eq, 0,
2307 			goya_irq_name[GOYA_EVENT_QUEUE_MSIX_IDX],
2308 			&hdev->event_queue);
2309 	if (rc) {
2310 		dev_err(hdev->dev, "Failed to request IRQ %d", irq);
2311 		goto free_irqs;
2312 	}
2313 
2314 	goya->hw_cap_initialized |= HW_CAP_MSIX;
2315 	return 0;
2316 
2317 free_irqs:
2318 	for (i = 0 ; i < irq_cnt_init ; i++)
2319 		free_irq(pci_irq_vector(hdev->pdev, i),
2320 			&hdev->completion_queue[i]);
2321 
2322 	pci_free_irq_vectors(hdev->pdev);
2323 	return rc;
2324 }
2325 
goya_sync_irqs(struct hl_device * hdev)2326 static void goya_sync_irqs(struct hl_device *hdev)
2327 {
2328 	struct goya_device *goya = hdev->asic_specific;
2329 	int i;
2330 
2331 	if (!(goya->hw_cap_initialized & HW_CAP_MSIX))
2332 		return;
2333 
2334 	/* Wait for all pending IRQs to be finished */
2335 	for (i = 0 ; i < hdev->asic_prop.completion_queues_count ; i++)
2336 		synchronize_irq(pci_irq_vector(hdev->pdev, i));
2337 
2338 	synchronize_irq(pci_irq_vector(hdev->pdev, GOYA_EVENT_QUEUE_MSIX_IDX));
2339 }
2340 
goya_disable_msix(struct hl_device * hdev)2341 static void goya_disable_msix(struct hl_device *hdev)
2342 {
2343 	struct goya_device *goya = hdev->asic_specific;
2344 	int i, irq;
2345 
2346 	if (!(goya->hw_cap_initialized & HW_CAP_MSIX))
2347 		return;
2348 
2349 	goya_sync_irqs(hdev);
2350 
2351 	irq = pci_irq_vector(hdev->pdev, GOYA_EVENT_QUEUE_MSIX_IDX);
2352 	free_irq(irq, &hdev->event_queue);
2353 
2354 	for (i = 0 ; i < hdev->asic_prop.completion_queues_count ; i++) {
2355 		irq = pci_irq_vector(hdev->pdev, i);
2356 		free_irq(irq, &hdev->completion_queue[i]);
2357 	}
2358 
2359 	pci_free_irq_vectors(hdev->pdev);
2360 
2361 	goya->hw_cap_initialized &= ~HW_CAP_MSIX;
2362 }
2363 
goya_enable_timestamp(struct hl_device * hdev)2364 static void goya_enable_timestamp(struct hl_device *hdev)
2365 {
2366 	/* Disable the timestamp counter */
2367 	WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE, 0);
2368 
2369 	/* Zero the lower/upper parts of the 64-bit counter */
2370 	WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE + 0xC, 0);
2371 	WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE + 0x8, 0);
2372 
2373 	/* Enable the counter */
2374 	WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE, 1);
2375 }
2376 
goya_disable_timestamp(struct hl_device * hdev)2377 static void goya_disable_timestamp(struct hl_device *hdev)
2378 {
2379 	/* Disable the timestamp counter */
2380 	WREG32(mmPSOC_TIMESTAMP_BASE - CFG_BASE, 0);
2381 }
2382 
goya_halt_engines(struct hl_device * hdev,bool hard_reset,bool fw_reset)2383 static void goya_halt_engines(struct hl_device *hdev, bool hard_reset, bool fw_reset)
2384 {
2385 	u32 wait_timeout_ms;
2386 
2387 	dev_info(hdev->dev,
2388 		"Halting compute engines and disabling interrupts\n");
2389 
2390 	if (hdev->pldm)
2391 		wait_timeout_ms = GOYA_PLDM_RESET_WAIT_MSEC;
2392 	else
2393 		wait_timeout_ms = GOYA_RESET_WAIT_MSEC;
2394 
2395 	goya_stop_external_queues(hdev);
2396 	goya_stop_internal_queues(hdev);
2397 
2398 	msleep(wait_timeout_ms);
2399 
2400 	goya_dma_stall(hdev);
2401 	goya_tpc_stall(hdev);
2402 	goya_mme_stall(hdev);
2403 
2404 	msleep(wait_timeout_ms);
2405 
2406 	goya_disable_external_queues(hdev);
2407 	goya_disable_internal_queues(hdev);
2408 
2409 	goya_disable_timestamp(hdev);
2410 
2411 	if (hard_reset) {
2412 		goya_disable_msix(hdev);
2413 		goya_mmu_remove_device_cpu_mappings(hdev);
2414 	} else {
2415 		goya_sync_irqs(hdev);
2416 	}
2417 }
2418 
2419 /*
2420  * goya_load_firmware_to_device() - Load LINUX FW code to device.
2421  * @hdev: Pointer to hl_device structure.
2422  *
2423  * Copy LINUX fw code from firmware file to HBM BAR.
2424  *
2425  * Return: 0 on success, non-zero for failure.
2426  */
goya_load_firmware_to_device(struct hl_device * hdev)2427 static int goya_load_firmware_to_device(struct hl_device *hdev)
2428 {
2429 	void __iomem *dst;
2430 
2431 	dst = hdev->pcie_bar[DDR_BAR_ID] + LINUX_FW_OFFSET;
2432 
2433 	return hl_fw_load_fw_to_device(hdev, GOYA_LINUX_FW_FILE, dst, 0, 0);
2434 }
2435 
2436 /*
2437  * goya_load_boot_fit_to_device() - Load boot fit to device.
2438  * @hdev: Pointer to hl_device structure.
2439  *
2440  * Copy boot fit file to SRAM BAR.
2441  *
2442  * Return: 0 on success, non-zero for failure.
2443  */
goya_load_boot_fit_to_device(struct hl_device * hdev)2444 static int goya_load_boot_fit_to_device(struct hl_device *hdev)
2445 {
2446 	void __iomem *dst;
2447 
2448 	dst = hdev->pcie_bar[SRAM_CFG_BAR_ID] + BOOT_FIT_SRAM_OFFSET;
2449 
2450 	return hl_fw_load_fw_to_device(hdev, GOYA_BOOT_FIT_FILE, dst, 0, 0);
2451 }
2452 
goya_init_dynamic_firmware_loader(struct hl_device * hdev)2453 static void goya_init_dynamic_firmware_loader(struct hl_device *hdev)
2454 {
2455 	struct dynamic_fw_load_mgr *dynamic_loader;
2456 	struct cpu_dyn_regs *dyn_regs;
2457 
2458 	dynamic_loader = &hdev->fw_loader.dynamic_loader;
2459 
2460 	/*
2461 	 * here we update initial values for few specific dynamic regs (as
2462 	 * before reading the first descriptor from FW those value has to be
2463 	 * hard-coded) in later stages of the protocol those values will be
2464 	 * updated automatically by reading the FW descriptor so data there
2465 	 * will always be up-to-date
2466 	 */
2467 	dyn_regs = &dynamic_loader->comm_desc.cpu_dyn_regs;
2468 	dyn_regs->kmd_msg_to_cpu =
2469 				cpu_to_le32(mmPSOC_GLOBAL_CONF_KMD_MSG_TO_CPU);
2470 	dyn_regs->cpu_cmd_status_to_host =
2471 				cpu_to_le32(mmCPU_CMD_STATUS_TO_HOST);
2472 
2473 	dynamic_loader->wait_for_bl_timeout = GOYA_WAIT_FOR_BL_TIMEOUT_USEC;
2474 }
2475 
goya_init_static_firmware_loader(struct hl_device * hdev)2476 static void goya_init_static_firmware_loader(struct hl_device *hdev)
2477 {
2478 	struct static_fw_load_mgr *static_loader;
2479 
2480 	static_loader = &hdev->fw_loader.static_loader;
2481 
2482 	static_loader->preboot_version_max_off = SRAM_SIZE - VERSION_MAX_LEN;
2483 	static_loader->boot_fit_version_max_off = SRAM_SIZE - VERSION_MAX_LEN;
2484 	static_loader->kmd_msg_to_cpu_reg = mmPSOC_GLOBAL_CONF_KMD_MSG_TO_CPU;
2485 	static_loader->cpu_cmd_status_to_host_reg = mmCPU_CMD_STATUS_TO_HOST;
2486 	static_loader->cpu_boot_status_reg = mmPSOC_GLOBAL_CONF_CPU_BOOT_STATUS;
2487 	static_loader->cpu_boot_dev_status0_reg = mmCPU_BOOT_DEV_STS0;
2488 	static_loader->cpu_boot_dev_status1_reg = mmCPU_BOOT_DEV_STS1;
2489 	static_loader->boot_err0_reg = mmCPU_BOOT_ERR0;
2490 	static_loader->boot_err1_reg = mmCPU_BOOT_ERR1;
2491 	static_loader->preboot_version_offset_reg = mmPREBOOT_VER_OFFSET;
2492 	static_loader->boot_fit_version_offset_reg = mmUBOOT_VER_OFFSET;
2493 	static_loader->sram_offset_mask = ~(lower_32_bits(SRAM_BASE_ADDR));
2494 }
2495 
goya_init_firmware_loader(struct hl_device * hdev)2496 static void goya_init_firmware_loader(struct hl_device *hdev)
2497 {
2498 	struct asic_fixed_properties *prop = &hdev->asic_prop;
2499 	struct fw_load_mgr *fw_loader = &hdev->fw_loader;
2500 
2501 	/* fill common fields */
2502 	fw_loader->linux_loaded = false;
2503 	fw_loader->boot_fit_img.image_name = GOYA_BOOT_FIT_FILE;
2504 	fw_loader->linux_img.image_name = GOYA_LINUX_FW_FILE;
2505 	fw_loader->cpu_timeout = GOYA_CPU_TIMEOUT_USEC;
2506 	fw_loader->boot_fit_timeout = GOYA_BOOT_FIT_REQ_TIMEOUT_USEC;
2507 	fw_loader->skip_bmc = false;
2508 	fw_loader->sram_bar_id = SRAM_CFG_BAR_ID;
2509 	fw_loader->dram_bar_id = DDR_BAR_ID;
2510 
2511 	if (prop->dynamic_fw_load)
2512 		goya_init_dynamic_firmware_loader(hdev);
2513 	else
2514 		goya_init_static_firmware_loader(hdev);
2515 }
2516 
goya_init_cpu(struct hl_device * hdev)2517 static int goya_init_cpu(struct hl_device *hdev)
2518 {
2519 	struct goya_device *goya = hdev->asic_specific;
2520 	int rc;
2521 
2522 	if (!(hdev->fw_components & FW_TYPE_PREBOOT_CPU))
2523 		return 0;
2524 
2525 	if (goya->hw_cap_initialized & HW_CAP_CPU)
2526 		return 0;
2527 
2528 	/*
2529 	 * Before pushing u-boot/linux to device, need to set the ddr bar to
2530 	 * base address of dram
2531 	 */
2532 	if (goya_set_ddr_bar_base(hdev, DRAM_PHYS_BASE) == U64_MAX) {
2533 		dev_err(hdev->dev,
2534 			"failed to map DDR bar to DRAM base address\n");
2535 		return -EIO;
2536 	}
2537 
2538 	rc = hl_fw_init_cpu(hdev);
2539 
2540 	if (rc)
2541 		return rc;
2542 
2543 	goya->hw_cap_initialized |= HW_CAP_CPU;
2544 
2545 	return 0;
2546 }
2547 
goya_mmu_update_asid_hop0_addr(struct hl_device * hdev,u32 asid,u64 phys_addr)2548 static int goya_mmu_update_asid_hop0_addr(struct hl_device *hdev, u32 asid,
2549 						u64 phys_addr)
2550 {
2551 	u32 status, timeout_usec;
2552 	int rc;
2553 
2554 	if (hdev->pldm)
2555 		timeout_usec = GOYA_PLDM_MMU_TIMEOUT_USEC;
2556 	else
2557 		timeout_usec = MMU_CONFIG_TIMEOUT_USEC;
2558 
2559 	WREG32(MMU_HOP0_PA43_12, phys_addr >> MMU_HOP0_PA43_12_SHIFT);
2560 	WREG32(MMU_HOP0_PA49_44, phys_addr >> MMU_HOP0_PA49_44_SHIFT);
2561 	WREG32(MMU_ASID_BUSY, 0x80000000 | asid);
2562 
2563 	rc = hl_poll_timeout(
2564 		hdev,
2565 		MMU_ASID_BUSY,
2566 		status,
2567 		!(status & 0x80000000),
2568 		1000,
2569 		timeout_usec);
2570 
2571 	if (rc) {
2572 		dev_err(hdev->dev,
2573 			"Timeout during MMU hop0 config of asid %d\n", asid);
2574 		return rc;
2575 	}
2576 
2577 	return 0;
2578 }
2579 
goya_mmu_init(struct hl_device * hdev)2580 int goya_mmu_init(struct hl_device *hdev)
2581 {
2582 	struct asic_fixed_properties *prop = &hdev->asic_prop;
2583 	struct goya_device *goya = hdev->asic_specific;
2584 	u64 hop0_addr;
2585 	int rc, i;
2586 
2587 	if (!hdev->mmu_enable)
2588 		return 0;
2589 
2590 	if (goya->hw_cap_initialized & HW_CAP_MMU)
2591 		return 0;
2592 
2593 	hdev->dram_default_page_mapping = true;
2594 
2595 	for (i = 0 ; i < prop->max_asid ; i++) {
2596 		hop0_addr = prop->mmu_pgt_addr +
2597 				(i * prop->mmu_hop_table_size);
2598 
2599 		rc = goya_mmu_update_asid_hop0_addr(hdev, i, hop0_addr);
2600 		if (rc) {
2601 			dev_err(hdev->dev,
2602 				"failed to set hop0 addr for asid %d\n", i);
2603 			goto err;
2604 		}
2605 	}
2606 
2607 	goya->hw_cap_initialized |= HW_CAP_MMU;
2608 
2609 	/* init MMU cache manage page */
2610 	WREG32(mmSTLB_CACHE_INV_BASE_39_8,
2611 				lower_32_bits(MMU_CACHE_MNG_ADDR >> 8));
2612 	WREG32(mmSTLB_CACHE_INV_BASE_49_40, MMU_CACHE_MNG_ADDR >> 40);
2613 
2614 	/* Remove follower feature due to performance bug */
2615 	WREG32_AND(mmSTLB_STLB_FEATURE_EN,
2616 			(~STLB_STLB_FEATURE_EN_FOLLOWER_EN_MASK));
2617 
2618 	hdev->asic_funcs->mmu_invalidate_cache(hdev, true,
2619 					VM_TYPE_USERPTR | VM_TYPE_PHYS_PACK);
2620 
2621 	WREG32(mmMMU_MMU_ENABLE, 1);
2622 	WREG32(mmMMU_SPI_MASK, 0xF);
2623 
2624 	return 0;
2625 
2626 err:
2627 	return rc;
2628 }
2629 
2630 /*
2631  * goya_hw_init - Goya hardware initialization code
2632  *
2633  * @hdev: pointer to hl_device structure
2634  *
2635  * Returns 0 on success
2636  *
2637  */
goya_hw_init(struct hl_device * hdev)2638 static int goya_hw_init(struct hl_device *hdev)
2639 {
2640 	struct asic_fixed_properties *prop = &hdev->asic_prop;
2641 	int rc;
2642 
2643 	/* Perform read from the device to make sure device is up */
2644 	RREG32(mmPCIE_DBI_DEVICE_ID_VENDOR_ID_REG);
2645 
2646 	/*
2647 	 * Let's mark in the H/W that we have reached this point. We check
2648 	 * this value in the reset_before_init function to understand whether
2649 	 * we need to reset the chip before doing H/W init. This register is
2650 	 * cleared by the H/W upon H/W reset
2651 	 */
2652 	WREG32(mmHW_STATE, HL_DEVICE_HW_STATE_DIRTY);
2653 
2654 	rc = goya_init_cpu(hdev);
2655 	if (rc) {
2656 		dev_err(hdev->dev, "failed to initialize CPU\n");
2657 		return rc;
2658 	}
2659 
2660 	goya_tpc_mbist_workaround(hdev);
2661 
2662 	goya_init_golden_registers(hdev);
2663 
2664 	/*
2665 	 * After CPU initialization is finished, change DDR bar mapping inside
2666 	 * iATU to point to the start address of the MMU page tables
2667 	 */
2668 	if (goya_set_ddr_bar_base(hdev, (MMU_PAGE_TABLES_ADDR &
2669 			~(prop->dram_pci_bar_size - 0x1ull))) == U64_MAX) {
2670 		dev_err(hdev->dev,
2671 			"failed to map DDR bar to MMU page tables\n");
2672 		return -EIO;
2673 	}
2674 
2675 	rc = goya_mmu_init(hdev);
2676 	if (rc)
2677 		return rc;
2678 
2679 	goya_init_security(hdev);
2680 
2681 	goya_init_dma_qmans(hdev);
2682 
2683 	goya_init_mme_qmans(hdev);
2684 
2685 	goya_init_tpc_qmans(hdev);
2686 
2687 	goya_enable_timestamp(hdev);
2688 
2689 	/* MSI-X must be enabled before CPU queues are initialized */
2690 	rc = goya_enable_msix(hdev);
2691 	if (rc)
2692 		goto disable_queues;
2693 
2694 	/* Perform read from the device to flush all MSI-X configuration */
2695 	RREG32(mmPCIE_DBI_DEVICE_ID_VENDOR_ID_REG);
2696 
2697 	return 0;
2698 
2699 disable_queues:
2700 	goya_disable_internal_queues(hdev);
2701 	goya_disable_external_queues(hdev);
2702 
2703 	return rc;
2704 }
2705 
goya_hw_fini(struct hl_device * hdev,bool hard_reset,bool fw_reset)2706 static void goya_hw_fini(struct hl_device *hdev, bool hard_reset, bool fw_reset)
2707 {
2708 	struct goya_device *goya = hdev->asic_specific;
2709 	u32 reset_timeout_ms, cpu_timeout_ms, status;
2710 
2711 	if (hdev->pldm) {
2712 		reset_timeout_ms = GOYA_PLDM_RESET_TIMEOUT_MSEC;
2713 		cpu_timeout_ms = GOYA_PLDM_RESET_WAIT_MSEC;
2714 	} else {
2715 		reset_timeout_ms = GOYA_RESET_TIMEOUT_MSEC;
2716 		cpu_timeout_ms = GOYA_CPU_RESET_WAIT_MSEC;
2717 	}
2718 
2719 	if (hard_reset) {
2720 		/* I don't know what is the state of the CPU so make sure it is
2721 		 * stopped in any means necessary
2722 		 */
2723 		WREG32(mmPSOC_GLOBAL_CONF_UBOOT_MAGIC, KMD_MSG_GOTO_WFE);
2724 		WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR,
2725 			GOYA_ASYNC_EVENT_ID_HALT_MACHINE);
2726 
2727 		msleep(cpu_timeout_ms);
2728 
2729 		goya_set_ddr_bar_base(hdev, DRAM_PHYS_BASE);
2730 		goya_disable_clk_rlx(hdev);
2731 		goya_set_pll_refclk(hdev);
2732 
2733 		WREG32(mmPSOC_GLOBAL_CONF_SW_ALL_RST_CFG, RESET_ALL);
2734 		dev_info(hdev->dev,
2735 			"Issued HARD reset command, going to wait %dms\n",
2736 			reset_timeout_ms);
2737 	} else {
2738 		WREG32(mmPSOC_GLOBAL_CONF_SW_ALL_RST_CFG, DMA_MME_TPC_RESET);
2739 		dev_info(hdev->dev,
2740 			"Issued SOFT reset command, going to wait %dms\n",
2741 			reset_timeout_ms);
2742 	}
2743 
2744 	/*
2745 	 * After hard reset, we can't poll the BTM_FSM register because the PSOC
2746 	 * itself is in reset. In either reset we need to wait until the reset
2747 	 * is deasserted
2748 	 */
2749 	msleep(reset_timeout_ms);
2750 
2751 	status = RREG32(mmPSOC_GLOBAL_CONF_BTM_FSM);
2752 	if (status & PSOC_GLOBAL_CONF_BTM_FSM_STATE_MASK)
2753 		dev_err(hdev->dev,
2754 			"Timeout while waiting for device to reset 0x%x\n",
2755 			status);
2756 
2757 	if (!hard_reset && goya) {
2758 		goya->hw_cap_initialized &= ~(HW_CAP_DMA | HW_CAP_MME |
2759 						HW_CAP_GOLDEN | HW_CAP_TPC);
2760 		WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR,
2761 				GOYA_ASYNC_EVENT_ID_SOFT_RESET);
2762 		return;
2763 	}
2764 
2765 	/* Chicken bit to re-initiate boot sequencer flow */
2766 	WREG32(mmPSOC_GLOBAL_CONF_BOOT_SEQ_RE_START,
2767 		1 << PSOC_GLOBAL_CONF_BOOT_SEQ_RE_START_IND_SHIFT);
2768 	/* Move boot manager FSM to pre boot sequencer init state */
2769 	WREG32(mmPSOC_GLOBAL_CONF_SW_BTM_FSM,
2770 			0xA << PSOC_GLOBAL_CONF_SW_BTM_FSM_CTRL_SHIFT);
2771 
2772 	if (goya) {
2773 		goya->hw_cap_initialized &= ~(HW_CAP_CPU | HW_CAP_CPU_Q |
2774 				HW_CAP_DDR_0 | HW_CAP_DDR_1 |
2775 				HW_CAP_DMA | HW_CAP_MME |
2776 				HW_CAP_MMU | HW_CAP_TPC_MBIST |
2777 				HW_CAP_GOLDEN | HW_CAP_TPC);
2778 
2779 		memset(goya->events_stat, 0, sizeof(goya->events_stat));
2780 	}
2781 }
2782 
goya_suspend(struct hl_device * hdev)2783 int goya_suspend(struct hl_device *hdev)
2784 {
2785 	int rc;
2786 
2787 	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS);
2788 	if (rc)
2789 		dev_err(hdev->dev, "Failed to disable PCI access from CPU\n");
2790 
2791 	return rc;
2792 }
2793 
goya_resume(struct hl_device * hdev)2794 int goya_resume(struct hl_device *hdev)
2795 {
2796 	return goya_init_iatu(hdev);
2797 }
2798 
goya_mmap(struct hl_device * hdev,struct vm_area_struct * vma,void * cpu_addr,dma_addr_t dma_addr,size_t size)2799 static int goya_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
2800 			void *cpu_addr, dma_addr_t dma_addr, size_t size)
2801 {
2802 	int rc;
2803 
2804 	vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
2805 			VM_DONTCOPY | VM_NORESERVE;
2806 
2807 	rc = dma_mmap_coherent(hdev->dev, vma, cpu_addr,
2808 				(dma_addr - HOST_PHYS_BASE), size);
2809 	if (rc)
2810 		dev_err(hdev->dev, "dma_mmap_coherent error %d", rc);
2811 
2812 	return rc;
2813 }
2814 
goya_ring_doorbell(struct hl_device * hdev,u32 hw_queue_id,u32 pi)2815 void goya_ring_doorbell(struct hl_device *hdev, u32 hw_queue_id, u32 pi)
2816 {
2817 	u32 db_reg_offset, db_value;
2818 
2819 	switch (hw_queue_id) {
2820 	case GOYA_QUEUE_ID_DMA_0:
2821 		db_reg_offset = mmDMA_QM_0_PQ_PI;
2822 		break;
2823 
2824 	case GOYA_QUEUE_ID_DMA_1:
2825 		db_reg_offset = mmDMA_QM_1_PQ_PI;
2826 		break;
2827 
2828 	case GOYA_QUEUE_ID_DMA_2:
2829 		db_reg_offset = mmDMA_QM_2_PQ_PI;
2830 		break;
2831 
2832 	case GOYA_QUEUE_ID_DMA_3:
2833 		db_reg_offset = mmDMA_QM_3_PQ_PI;
2834 		break;
2835 
2836 	case GOYA_QUEUE_ID_DMA_4:
2837 		db_reg_offset = mmDMA_QM_4_PQ_PI;
2838 		break;
2839 
2840 	case GOYA_QUEUE_ID_CPU_PQ:
2841 		db_reg_offset = mmCPU_IF_PF_PQ_PI;
2842 		break;
2843 
2844 	case GOYA_QUEUE_ID_MME:
2845 		db_reg_offset = mmMME_QM_PQ_PI;
2846 		break;
2847 
2848 	case GOYA_QUEUE_ID_TPC0:
2849 		db_reg_offset = mmTPC0_QM_PQ_PI;
2850 		break;
2851 
2852 	case GOYA_QUEUE_ID_TPC1:
2853 		db_reg_offset = mmTPC1_QM_PQ_PI;
2854 		break;
2855 
2856 	case GOYA_QUEUE_ID_TPC2:
2857 		db_reg_offset = mmTPC2_QM_PQ_PI;
2858 		break;
2859 
2860 	case GOYA_QUEUE_ID_TPC3:
2861 		db_reg_offset = mmTPC3_QM_PQ_PI;
2862 		break;
2863 
2864 	case GOYA_QUEUE_ID_TPC4:
2865 		db_reg_offset = mmTPC4_QM_PQ_PI;
2866 		break;
2867 
2868 	case GOYA_QUEUE_ID_TPC5:
2869 		db_reg_offset = mmTPC5_QM_PQ_PI;
2870 		break;
2871 
2872 	case GOYA_QUEUE_ID_TPC6:
2873 		db_reg_offset = mmTPC6_QM_PQ_PI;
2874 		break;
2875 
2876 	case GOYA_QUEUE_ID_TPC7:
2877 		db_reg_offset = mmTPC7_QM_PQ_PI;
2878 		break;
2879 
2880 	default:
2881 		/* Should never get here */
2882 		dev_err(hdev->dev, "H/W queue %d is invalid. Can't set pi\n",
2883 			hw_queue_id);
2884 		return;
2885 	}
2886 
2887 	db_value = pi;
2888 
2889 	/* ring the doorbell */
2890 	WREG32(db_reg_offset, db_value);
2891 
2892 	if (hw_queue_id == GOYA_QUEUE_ID_CPU_PQ) {
2893 		/* make sure device CPU will read latest data from host */
2894 		mb();
2895 		WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR,
2896 				GOYA_ASYNC_EVENT_ID_PI_UPDATE);
2897 	}
2898 }
2899 
goya_pqe_write(struct hl_device * hdev,__le64 * pqe,struct hl_bd * bd)2900 void goya_pqe_write(struct hl_device *hdev, __le64 *pqe, struct hl_bd *bd)
2901 {
2902 	/* The QMANs are on the SRAM so need to copy to IO space */
2903 	memcpy_toio((void __iomem *) pqe, bd, sizeof(struct hl_bd));
2904 }
2905 
goya_dma_alloc_coherent(struct hl_device * hdev,size_t size,dma_addr_t * dma_handle,gfp_t flags)2906 static void *goya_dma_alloc_coherent(struct hl_device *hdev, size_t size,
2907 					dma_addr_t *dma_handle, gfp_t flags)
2908 {
2909 	void *kernel_addr = dma_alloc_coherent(&hdev->pdev->dev, size,
2910 						dma_handle, flags);
2911 
2912 	/* Shift to the device's base physical address of host memory */
2913 	if (kernel_addr)
2914 		*dma_handle += HOST_PHYS_BASE;
2915 
2916 	return kernel_addr;
2917 }
2918 
goya_dma_free_coherent(struct hl_device * hdev,size_t size,void * cpu_addr,dma_addr_t dma_handle)2919 static void goya_dma_free_coherent(struct hl_device *hdev, size_t size,
2920 					void *cpu_addr, dma_addr_t dma_handle)
2921 {
2922 	/* Cancel the device's base physical address of host memory */
2923 	dma_addr_t fixed_dma_handle = dma_handle - HOST_PHYS_BASE;
2924 
2925 	dma_free_coherent(&hdev->pdev->dev, size, cpu_addr, fixed_dma_handle);
2926 }
2927 
goya_scrub_device_mem(struct hl_device * hdev,u64 addr,u64 size)2928 int goya_scrub_device_mem(struct hl_device *hdev, u64 addr, u64 size)
2929 {
2930 	return 0;
2931 }
2932 
goya_get_int_queue_base(struct hl_device * hdev,u32 queue_id,dma_addr_t * dma_handle,u16 * queue_len)2933 void *goya_get_int_queue_base(struct hl_device *hdev, u32 queue_id,
2934 				dma_addr_t *dma_handle,	u16 *queue_len)
2935 {
2936 	void *base;
2937 	u32 offset;
2938 
2939 	*dma_handle = hdev->asic_prop.sram_base_address;
2940 
2941 	base = (__force void *) hdev->pcie_bar[SRAM_CFG_BAR_ID];
2942 
2943 	switch (queue_id) {
2944 	case GOYA_QUEUE_ID_MME:
2945 		offset = MME_QMAN_BASE_OFFSET;
2946 		*queue_len = MME_QMAN_LENGTH;
2947 		break;
2948 	case GOYA_QUEUE_ID_TPC0:
2949 		offset = TPC0_QMAN_BASE_OFFSET;
2950 		*queue_len = TPC_QMAN_LENGTH;
2951 		break;
2952 	case GOYA_QUEUE_ID_TPC1:
2953 		offset = TPC1_QMAN_BASE_OFFSET;
2954 		*queue_len = TPC_QMAN_LENGTH;
2955 		break;
2956 	case GOYA_QUEUE_ID_TPC2:
2957 		offset = TPC2_QMAN_BASE_OFFSET;
2958 		*queue_len = TPC_QMAN_LENGTH;
2959 		break;
2960 	case GOYA_QUEUE_ID_TPC3:
2961 		offset = TPC3_QMAN_BASE_OFFSET;
2962 		*queue_len = TPC_QMAN_LENGTH;
2963 		break;
2964 	case GOYA_QUEUE_ID_TPC4:
2965 		offset = TPC4_QMAN_BASE_OFFSET;
2966 		*queue_len = TPC_QMAN_LENGTH;
2967 		break;
2968 	case GOYA_QUEUE_ID_TPC5:
2969 		offset = TPC5_QMAN_BASE_OFFSET;
2970 		*queue_len = TPC_QMAN_LENGTH;
2971 		break;
2972 	case GOYA_QUEUE_ID_TPC6:
2973 		offset = TPC6_QMAN_BASE_OFFSET;
2974 		*queue_len = TPC_QMAN_LENGTH;
2975 		break;
2976 	case GOYA_QUEUE_ID_TPC7:
2977 		offset = TPC7_QMAN_BASE_OFFSET;
2978 		*queue_len = TPC_QMAN_LENGTH;
2979 		break;
2980 	default:
2981 		dev_err(hdev->dev, "Got invalid queue id %d\n", queue_id);
2982 		return NULL;
2983 	}
2984 
2985 	base += offset;
2986 	*dma_handle += offset;
2987 
2988 	return base;
2989 }
2990 
goya_send_job_on_qman0(struct hl_device * hdev,struct hl_cs_job * job)2991 static int goya_send_job_on_qman0(struct hl_device *hdev, struct hl_cs_job *job)
2992 {
2993 	struct packet_msg_prot *fence_pkt;
2994 	u32 *fence_ptr;
2995 	dma_addr_t fence_dma_addr;
2996 	struct hl_cb *cb;
2997 	u32 tmp, timeout;
2998 	int rc;
2999 
3000 	if (hdev->pldm)
3001 		timeout = GOYA_PLDM_QMAN0_TIMEOUT_USEC;
3002 	else
3003 		timeout = HL_DEVICE_TIMEOUT_USEC;
3004 
3005 	if (!hdev->asic_funcs->is_device_idle(hdev, NULL, 0, NULL)) {
3006 		dev_err_ratelimited(hdev->dev,
3007 			"Can't send driver job on QMAN0 because the device is not idle\n");
3008 		return -EBUSY;
3009 	}
3010 
3011 	fence_ptr = hdev->asic_funcs->asic_dma_pool_zalloc(hdev, 4, GFP_KERNEL,
3012 							&fence_dma_addr);
3013 	if (!fence_ptr) {
3014 		dev_err(hdev->dev,
3015 			"Failed to allocate fence memory for QMAN0\n");
3016 		return -ENOMEM;
3017 	}
3018 
3019 	goya_qman0_set_security(hdev, true);
3020 
3021 	cb = job->patched_cb;
3022 
3023 	fence_pkt = cb->kernel_address +
3024 			job->job_cb_size - sizeof(struct packet_msg_prot);
3025 
3026 	tmp = (PACKET_MSG_PROT << GOYA_PKT_CTL_OPCODE_SHIFT) |
3027 			(1 << GOYA_PKT_CTL_EB_SHIFT) |
3028 			(1 << GOYA_PKT_CTL_MB_SHIFT);
3029 	fence_pkt->ctl = cpu_to_le32(tmp);
3030 	fence_pkt->value = cpu_to_le32(GOYA_QMAN0_FENCE_VAL);
3031 	fence_pkt->addr = cpu_to_le64(fence_dma_addr);
3032 
3033 	rc = hl_hw_queue_send_cb_no_cmpl(hdev, GOYA_QUEUE_ID_DMA_0,
3034 					job->job_cb_size, cb->bus_address);
3035 	if (rc) {
3036 		dev_err(hdev->dev, "Failed to send CB on QMAN0, %d\n", rc);
3037 		goto free_fence_ptr;
3038 	}
3039 
3040 	rc = hl_poll_timeout_memory(hdev, fence_ptr, tmp,
3041 				(tmp == GOYA_QMAN0_FENCE_VAL), 1000,
3042 				timeout, true);
3043 
3044 	hl_hw_queue_inc_ci_kernel(hdev, GOYA_QUEUE_ID_DMA_0);
3045 
3046 	if (rc == -ETIMEDOUT) {
3047 		dev_err(hdev->dev, "QMAN0 Job timeout (0x%x)\n", tmp);
3048 		goto free_fence_ptr;
3049 	}
3050 
3051 free_fence_ptr:
3052 	hdev->asic_funcs->asic_dma_pool_free(hdev, (void *) fence_ptr,
3053 					fence_dma_addr);
3054 
3055 	goya_qman0_set_security(hdev, false);
3056 
3057 	return rc;
3058 }
3059 
goya_send_cpu_message(struct hl_device * hdev,u32 * msg,u16 len,u32 timeout,u64 * result)3060 int goya_send_cpu_message(struct hl_device *hdev, u32 *msg, u16 len,
3061 				u32 timeout, u64 *result)
3062 {
3063 	struct goya_device *goya = hdev->asic_specific;
3064 
3065 	if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q)) {
3066 		if (result)
3067 			*result = 0;
3068 		return 0;
3069 	}
3070 
3071 	if (!timeout)
3072 		timeout = GOYA_MSG_TO_CPU_TIMEOUT_USEC;
3073 
3074 	return hl_fw_send_cpu_message(hdev, GOYA_QUEUE_ID_CPU_PQ, msg, len,
3075 					timeout, result);
3076 }
3077 
goya_test_queue(struct hl_device * hdev,u32 hw_queue_id)3078 int goya_test_queue(struct hl_device *hdev, u32 hw_queue_id)
3079 {
3080 	struct packet_msg_prot *fence_pkt;
3081 	dma_addr_t pkt_dma_addr;
3082 	u32 fence_val, tmp;
3083 	dma_addr_t fence_dma_addr;
3084 	u32 *fence_ptr;
3085 	int rc;
3086 
3087 	fence_val = GOYA_QMAN0_FENCE_VAL;
3088 
3089 	fence_ptr = hdev->asic_funcs->asic_dma_pool_zalloc(hdev, 4, GFP_KERNEL,
3090 							&fence_dma_addr);
3091 	if (!fence_ptr) {
3092 		dev_err(hdev->dev,
3093 			"Failed to allocate memory for H/W queue %d testing\n",
3094 			hw_queue_id);
3095 		return -ENOMEM;
3096 	}
3097 
3098 	*fence_ptr = 0;
3099 
3100 	fence_pkt = hdev->asic_funcs->asic_dma_pool_zalloc(hdev,
3101 					sizeof(struct packet_msg_prot),
3102 					GFP_KERNEL, &pkt_dma_addr);
3103 	if (!fence_pkt) {
3104 		dev_err(hdev->dev,
3105 			"Failed to allocate packet for H/W queue %d testing\n",
3106 			hw_queue_id);
3107 		rc = -ENOMEM;
3108 		goto free_fence_ptr;
3109 	}
3110 
3111 	tmp = (PACKET_MSG_PROT << GOYA_PKT_CTL_OPCODE_SHIFT) |
3112 			(1 << GOYA_PKT_CTL_EB_SHIFT) |
3113 			(1 << GOYA_PKT_CTL_MB_SHIFT);
3114 	fence_pkt->ctl = cpu_to_le32(tmp);
3115 	fence_pkt->value = cpu_to_le32(fence_val);
3116 	fence_pkt->addr = cpu_to_le64(fence_dma_addr);
3117 
3118 	rc = hl_hw_queue_send_cb_no_cmpl(hdev, hw_queue_id,
3119 					sizeof(struct packet_msg_prot),
3120 					pkt_dma_addr);
3121 	if (rc) {
3122 		dev_err(hdev->dev,
3123 			"Failed to send fence packet to H/W queue %d\n",
3124 			hw_queue_id);
3125 		goto free_pkt;
3126 	}
3127 
3128 	rc = hl_poll_timeout_memory(hdev, fence_ptr, tmp, (tmp == fence_val),
3129 					1000, GOYA_TEST_QUEUE_WAIT_USEC, true);
3130 
3131 	hl_hw_queue_inc_ci_kernel(hdev, hw_queue_id);
3132 
3133 	if (rc == -ETIMEDOUT) {
3134 		dev_err(hdev->dev,
3135 			"H/W queue %d test failed (scratch(0x%08llX) == 0x%08X)\n",
3136 			hw_queue_id, (unsigned long long) fence_dma_addr, tmp);
3137 		rc = -EIO;
3138 	}
3139 
3140 free_pkt:
3141 	hdev->asic_funcs->asic_dma_pool_free(hdev, (void *) fence_pkt,
3142 					pkt_dma_addr);
3143 free_fence_ptr:
3144 	hdev->asic_funcs->asic_dma_pool_free(hdev, (void *) fence_ptr,
3145 					fence_dma_addr);
3146 	return rc;
3147 }
3148 
goya_test_cpu_queue(struct hl_device * hdev)3149 int goya_test_cpu_queue(struct hl_device *hdev)
3150 {
3151 	struct goya_device *goya = hdev->asic_specific;
3152 
3153 	/*
3154 	 * check capability here as send_cpu_message() won't update the result
3155 	 * value if no capability
3156 	 */
3157 	if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q))
3158 		return 0;
3159 
3160 	return hl_fw_test_cpu_queue(hdev);
3161 }
3162 
goya_test_queues(struct hl_device * hdev)3163 int goya_test_queues(struct hl_device *hdev)
3164 {
3165 	int i, rc, ret_val = 0;
3166 
3167 	for (i = 0 ; i < NUMBER_OF_EXT_HW_QUEUES ; i++) {
3168 		rc = goya_test_queue(hdev, i);
3169 		if (rc)
3170 			ret_val = -EINVAL;
3171 	}
3172 
3173 	return ret_val;
3174 }
3175 
goya_dma_pool_zalloc(struct hl_device * hdev,size_t size,gfp_t mem_flags,dma_addr_t * dma_handle)3176 static void *goya_dma_pool_zalloc(struct hl_device *hdev, size_t size,
3177 					gfp_t mem_flags, dma_addr_t *dma_handle)
3178 {
3179 	void *kernel_addr;
3180 
3181 	if (size > GOYA_DMA_POOL_BLK_SIZE)
3182 		return NULL;
3183 
3184 	kernel_addr =  dma_pool_zalloc(hdev->dma_pool, mem_flags, dma_handle);
3185 
3186 	/* Shift to the device's base physical address of host memory */
3187 	if (kernel_addr)
3188 		*dma_handle += HOST_PHYS_BASE;
3189 
3190 	return kernel_addr;
3191 }
3192 
goya_dma_pool_free(struct hl_device * hdev,void * vaddr,dma_addr_t dma_addr)3193 static void goya_dma_pool_free(struct hl_device *hdev, void *vaddr,
3194 				dma_addr_t dma_addr)
3195 {
3196 	/* Cancel the device's base physical address of host memory */
3197 	dma_addr_t fixed_dma_addr = dma_addr - HOST_PHYS_BASE;
3198 
3199 	dma_pool_free(hdev->dma_pool, vaddr, fixed_dma_addr);
3200 }
3201 
goya_cpu_accessible_dma_pool_alloc(struct hl_device * hdev,size_t size,dma_addr_t * dma_handle)3202 void *goya_cpu_accessible_dma_pool_alloc(struct hl_device *hdev, size_t size,
3203 					dma_addr_t *dma_handle)
3204 {
3205 	void *vaddr;
3206 
3207 	vaddr = hl_fw_cpu_accessible_dma_pool_alloc(hdev, size, dma_handle);
3208 	*dma_handle = (*dma_handle) - hdev->cpu_accessible_dma_address +
3209 			VA_CPU_ACCESSIBLE_MEM_ADDR;
3210 
3211 	return vaddr;
3212 }
3213 
goya_cpu_accessible_dma_pool_free(struct hl_device * hdev,size_t size,void * vaddr)3214 void goya_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t size,
3215 					void *vaddr)
3216 {
3217 	hl_fw_cpu_accessible_dma_pool_free(hdev, size, vaddr);
3218 }
3219 
goya_dma_map_sg(struct hl_device * hdev,struct scatterlist * sgl,int nents,enum dma_data_direction dir)3220 static int goya_dma_map_sg(struct hl_device *hdev, struct scatterlist *sgl,
3221 				int nents, enum dma_data_direction dir)
3222 {
3223 	struct scatterlist *sg;
3224 	int i;
3225 
3226 	if (!dma_map_sg(&hdev->pdev->dev, sgl, nents, dir))
3227 		return -ENOMEM;
3228 
3229 	/* Shift to the device's base physical address of host memory */
3230 	for_each_sg(sgl, sg, nents, i)
3231 		sg->dma_address += HOST_PHYS_BASE;
3232 
3233 	return 0;
3234 }
3235 
goya_dma_unmap_sg(struct hl_device * hdev,struct scatterlist * sgl,int nents,enum dma_data_direction dir)3236 static void goya_dma_unmap_sg(struct hl_device *hdev, struct scatterlist *sgl,
3237 				int nents, enum dma_data_direction dir)
3238 {
3239 	struct scatterlist *sg;
3240 	int i;
3241 
3242 	/* Cancel the device's base physical address of host memory */
3243 	for_each_sg(sgl, sg, nents, i)
3244 		sg->dma_address -= HOST_PHYS_BASE;
3245 
3246 	dma_unmap_sg(&hdev->pdev->dev, sgl, nents, dir);
3247 }
3248 
goya_get_dma_desc_list_size(struct hl_device * hdev,struct sg_table * sgt)3249 u32 goya_get_dma_desc_list_size(struct hl_device *hdev, struct sg_table *sgt)
3250 {
3251 	struct scatterlist *sg, *sg_next_iter;
3252 	u32 count, dma_desc_cnt;
3253 	u64 len, len_next;
3254 	dma_addr_t addr, addr_next;
3255 
3256 	dma_desc_cnt = 0;
3257 
3258 	for_each_sg(sgt->sgl, sg, sgt->nents, count) {
3259 
3260 		len = sg_dma_len(sg);
3261 		addr = sg_dma_address(sg);
3262 
3263 		if (len == 0)
3264 			break;
3265 
3266 		while ((count + 1) < sgt->nents) {
3267 			sg_next_iter = sg_next(sg);
3268 			len_next = sg_dma_len(sg_next_iter);
3269 			addr_next = sg_dma_address(sg_next_iter);
3270 
3271 			if (len_next == 0)
3272 				break;
3273 
3274 			if ((addr + len == addr_next) &&
3275 				(len + len_next <= DMA_MAX_TRANSFER_SIZE)) {
3276 				len += len_next;
3277 				count++;
3278 				sg = sg_next_iter;
3279 			} else {
3280 				break;
3281 			}
3282 		}
3283 
3284 		dma_desc_cnt++;
3285 	}
3286 
3287 	return dma_desc_cnt * sizeof(struct packet_lin_dma);
3288 }
3289 
goya_pin_memory_before_cs(struct hl_device * hdev,struct hl_cs_parser * parser,struct packet_lin_dma * user_dma_pkt,u64 addr,enum dma_data_direction dir)3290 static int goya_pin_memory_before_cs(struct hl_device *hdev,
3291 				struct hl_cs_parser *parser,
3292 				struct packet_lin_dma *user_dma_pkt,
3293 				u64 addr, enum dma_data_direction dir)
3294 {
3295 	struct hl_userptr *userptr;
3296 	int rc;
3297 
3298 	if (hl_userptr_is_pinned(hdev, addr, le32_to_cpu(user_dma_pkt->tsize),
3299 			parser->job_userptr_list, &userptr))
3300 		goto already_pinned;
3301 
3302 	userptr = kzalloc(sizeof(*userptr), GFP_KERNEL);
3303 	if (!userptr)
3304 		return -ENOMEM;
3305 
3306 	rc = hl_pin_host_memory(hdev, addr, le32_to_cpu(user_dma_pkt->tsize),
3307 				userptr);
3308 	if (rc)
3309 		goto free_userptr;
3310 
3311 	list_add_tail(&userptr->job_node, parser->job_userptr_list);
3312 
3313 	rc = hdev->asic_funcs->asic_dma_map_sg(hdev, userptr->sgt->sgl,
3314 					userptr->sgt->nents, dir);
3315 	if (rc) {
3316 		dev_err(hdev->dev, "failed to map sgt with DMA region\n");
3317 		goto unpin_memory;
3318 	}
3319 
3320 	userptr->dma_mapped = true;
3321 	userptr->dir = dir;
3322 
3323 already_pinned:
3324 	parser->patched_cb_size +=
3325 			goya_get_dma_desc_list_size(hdev, userptr->sgt);
3326 
3327 	return 0;
3328 
3329 unpin_memory:
3330 	list_del(&userptr->job_node);
3331 	hl_unpin_host_memory(hdev, userptr);
3332 free_userptr:
3333 	kfree(userptr);
3334 	return rc;
3335 }
3336 
goya_validate_dma_pkt_host(struct hl_device * hdev,struct hl_cs_parser * parser,struct packet_lin_dma * user_dma_pkt)3337 static int goya_validate_dma_pkt_host(struct hl_device *hdev,
3338 				struct hl_cs_parser *parser,
3339 				struct packet_lin_dma *user_dma_pkt)
3340 {
3341 	u64 device_memory_addr, addr;
3342 	enum dma_data_direction dir;
3343 	enum goya_dma_direction user_dir;
3344 	bool sram_addr = true;
3345 	bool skip_host_mem_pin = false;
3346 	bool user_memset;
3347 	u32 ctl;
3348 	int rc = 0;
3349 
3350 	ctl = le32_to_cpu(user_dma_pkt->ctl);
3351 
3352 	user_dir = (ctl & GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK) >>
3353 			GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT;
3354 
3355 	user_memset = (ctl & GOYA_PKT_LIN_DMA_CTL_MEMSET_MASK) >>
3356 			GOYA_PKT_LIN_DMA_CTL_MEMSET_SHIFT;
3357 
3358 	switch (user_dir) {
3359 	case DMA_HOST_TO_DRAM:
3360 		dev_dbg(hdev->dev, "DMA direction is HOST --> DRAM\n");
3361 		dir = DMA_TO_DEVICE;
3362 		sram_addr = false;
3363 		addr = le64_to_cpu(user_dma_pkt->src_addr);
3364 		device_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr);
3365 		if (user_memset)
3366 			skip_host_mem_pin = true;
3367 		break;
3368 
3369 	case DMA_DRAM_TO_HOST:
3370 		dev_dbg(hdev->dev, "DMA direction is DRAM --> HOST\n");
3371 		dir = DMA_FROM_DEVICE;
3372 		sram_addr = false;
3373 		addr = le64_to_cpu(user_dma_pkt->dst_addr);
3374 		device_memory_addr = le64_to_cpu(user_dma_pkt->src_addr);
3375 		break;
3376 
3377 	case DMA_HOST_TO_SRAM:
3378 		dev_dbg(hdev->dev, "DMA direction is HOST --> SRAM\n");
3379 		dir = DMA_TO_DEVICE;
3380 		addr = le64_to_cpu(user_dma_pkt->src_addr);
3381 		device_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr);
3382 		if (user_memset)
3383 			skip_host_mem_pin = true;
3384 		break;
3385 
3386 	case DMA_SRAM_TO_HOST:
3387 		dev_dbg(hdev->dev, "DMA direction is SRAM --> HOST\n");
3388 		dir = DMA_FROM_DEVICE;
3389 		addr = le64_to_cpu(user_dma_pkt->dst_addr);
3390 		device_memory_addr = le64_to_cpu(user_dma_pkt->src_addr);
3391 		break;
3392 	default:
3393 		dev_err(hdev->dev, "DMA direction is undefined\n");
3394 		return -EFAULT;
3395 	}
3396 
3397 	if (sram_addr) {
3398 		if (!hl_mem_area_inside_range(device_memory_addr,
3399 				le32_to_cpu(user_dma_pkt->tsize),
3400 				hdev->asic_prop.sram_user_base_address,
3401 				hdev->asic_prop.sram_end_address)) {
3402 
3403 			dev_err(hdev->dev,
3404 				"SRAM address 0x%llx + 0x%x is invalid\n",
3405 				device_memory_addr,
3406 				user_dma_pkt->tsize);
3407 			return -EFAULT;
3408 		}
3409 	} else {
3410 		if (!hl_mem_area_inside_range(device_memory_addr,
3411 				le32_to_cpu(user_dma_pkt->tsize),
3412 				hdev->asic_prop.dram_user_base_address,
3413 				hdev->asic_prop.dram_end_address)) {
3414 
3415 			dev_err(hdev->dev,
3416 				"DRAM address 0x%llx + 0x%x is invalid\n",
3417 				device_memory_addr,
3418 				user_dma_pkt->tsize);
3419 			return -EFAULT;
3420 		}
3421 	}
3422 
3423 	if (skip_host_mem_pin)
3424 		parser->patched_cb_size += sizeof(*user_dma_pkt);
3425 	else {
3426 		if ((dir == DMA_TO_DEVICE) &&
3427 				(parser->hw_queue_id > GOYA_QUEUE_ID_DMA_1)) {
3428 			dev_err(hdev->dev,
3429 				"Can't DMA from host on queue other then 1\n");
3430 			return -EFAULT;
3431 		}
3432 
3433 		rc = goya_pin_memory_before_cs(hdev, parser, user_dma_pkt,
3434 						addr, dir);
3435 	}
3436 
3437 	return rc;
3438 }
3439 
goya_validate_dma_pkt_no_host(struct hl_device * hdev,struct hl_cs_parser * parser,struct packet_lin_dma * user_dma_pkt)3440 static int goya_validate_dma_pkt_no_host(struct hl_device *hdev,
3441 				struct hl_cs_parser *parser,
3442 				struct packet_lin_dma *user_dma_pkt)
3443 {
3444 	u64 sram_memory_addr, dram_memory_addr;
3445 	enum goya_dma_direction user_dir;
3446 	u32 ctl;
3447 
3448 	ctl = le32_to_cpu(user_dma_pkt->ctl);
3449 	user_dir = (ctl & GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK) >>
3450 			GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT;
3451 
3452 	if (user_dir == DMA_DRAM_TO_SRAM) {
3453 		dev_dbg(hdev->dev, "DMA direction is DRAM --> SRAM\n");
3454 		dram_memory_addr = le64_to_cpu(user_dma_pkt->src_addr);
3455 		sram_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr);
3456 	} else {
3457 		dev_dbg(hdev->dev, "DMA direction is SRAM --> DRAM\n");
3458 		sram_memory_addr = le64_to_cpu(user_dma_pkt->src_addr);
3459 		dram_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr);
3460 	}
3461 
3462 	if (!hl_mem_area_inside_range(sram_memory_addr,
3463 				le32_to_cpu(user_dma_pkt->tsize),
3464 				hdev->asic_prop.sram_user_base_address,
3465 				hdev->asic_prop.sram_end_address)) {
3466 		dev_err(hdev->dev, "SRAM address 0x%llx + 0x%x is invalid\n",
3467 			sram_memory_addr, user_dma_pkt->tsize);
3468 		return -EFAULT;
3469 	}
3470 
3471 	if (!hl_mem_area_inside_range(dram_memory_addr,
3472 				le32_to_cpu(user_dma_pkt->tsize),
3473 				hdev->asic_prop.dram_user_base_address,
3474 				hdev->asic_prop.dram_end_address)) {
3475 		dev_err(hdev->dev, "DRAM address 0x%llx + 0x%x is invalid\n",
3476 			dram_memory_addr, user_dma_pkt->tsize);
3477 		return -EFAULT;
3478 	}
3479 
3480 	parser->patched_cb_size += sizeof(*user_dma_pkt);
3481 
3482 	return 0;
3483 }
3484 
goya_validate_dma_pkt_no_mmu(struct hl_device * hdev,struct hl_cs_parser * parser,struct packet_lin_dma * user_dma_pkt)3485 static int goya_validate_dma_pkt_no_mmu(struct hl_device *hdev,
3486 				struct hl_cs_parser *parser,
3487 				struct packet_lin_dma *user_dma_pkt)
3488 {
3489 	enum goya_dma_direction user_dir;
3490 	u32 ctl;
3491 	int rc;
3492 
3493 	dev_dbg(hdev->dev, "DMA packet details:\n");
3494 	dev_dbg(hdev->dev, "source == 0x%llx\n",
3495 		le64_to_cpu(user_dma_pkt->src_addr));
3496 	dev_dbg(hdev->dev, "destination == 0x%llx\n",
3497 		le64_to_cpu(user_dma_pkt->dst_addr));
3498 	dev_dbg(hdev->dev, "size == %u\n", le32_to_cpu(user_dma_pkt->tsize));
3499 
3500 	ctl = le32_to_cpu(user_dma_pkt->ctl);
3501 	user_dir = (ctl & GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK) >>
3502 			GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT;
3503 
3504 	/*
3505 	 * Special handling for DMA with size 0. The H/W has a bug where
3506 	 * this can cause the QMAN DMA to get stuck, so block it here.
3507 	 */
3508 	if (user_dma_pkt->tsize == 0) {
3509 		dev_err(hdev->dev,
3510 			"Got DMA with size 0, might reset the device\n");
3511 		return -EINVAL;
3512 	}
3513 
3514 	if ((user_dir == DMA_DRAM_TO_SRAM) || (user_dir == DMA_SRAM_TO_DRAM))
3515 		rc = goya_validate_dma_pkt_no_host(hdev, parser, user_dma_pkt);
3516 	else
3517 		rc = goya_validate_dma_pkt_host(hdev, parser, user_dma_pkt);
3518 
3519 	return rc;
3520 }
3521 
goya_validate_dma_pkt_mmu(struct hl_device * hdev,struct hl_cs_parser * parser,struct packet_lin_dma * user_dma_pkt)3522 static int goya_validate_dma_pkt_mmu(struct hl_device *hdev,
3523 				struct hl_cs_parser *parser,
3524 				struct packet_lin_dma *user_dma_pkt)
3525 {
3526 	dev_dbg(hdev->dev, "DMA packet details:\n");
3527 	dev_dbg(hdev->dev, "source == 0x%llx\n",
3528 		le64_to_cpu(user_dma_pkt->src_addr));
3529 	dev_dbg(hdev->dev, "destination == 0x%llx\n",
3530 		le64_to_cpu(user_dma_pkt->dst_addr));
3531 	dev_dbg(hdev->dev, "size == %u\n", le32_to_cpu(user_dma_pkt->tsize));
3532 
3533 	/*
3534 	 * WA for HW-23.
3535 	 * We can't allow user to read from Host using QMANs other than 1.
3536 	 * PMMU and HPMMU addresses are equal, check only one of them.
3537 	 */
3538 	if (parser->hw_queue_id != GOYA_QUEUE_ID_DMA_1 &&
3539 		hl_mem_area_inside_range(le64_to_cpu(user_dma_pkt->src_addr),
3540 				le32_to_cpu(user_dma_pkt->tsize),
3541 				hdev->asic_prop.pmmu.start_addr,
3542 				hdev->asic_prop.pmmu.end_addr)) {
3543 		dev_err(hdev->dev,
3544 			"Can't DMA from host on queue other then 1\n");
3545 		return -EFAULT;
3546 	}
3547 
3548 	if (user_dma_pkt->tsize == 0) {
3549 		dev_err(hdev->dev,
3550 			"Got DMA with size 0, might reset the device\n");
3551 		return -EINVAL;
3552 	}
3553 
3554 	parser->patched_cb_size += sizeof(*user_dma_pkt);
3555 
3556 	return 0;
3557 }
3558 
goya_validate_wreg32(struct hl_device * hdev,struct hl_cs_parser * parser,struct packet_wreg32 * wreg_pkt)3559 static int goya_validate_wreg32(struct hl_device *hdev,
3560 				struct hl_cs_parser *parser,
3561 				struct packet_wreg32 *wreg_pkt)
3562 {
3563 	struct goya_device *goya = hdev->asic_specific;
3564 	u32 sob_start_addr, sob_end_addr;
3565 	u16 reg_offset;
3566 
3567 	reg_offset = le32_to_cpu(wreg_pkt->ctl) &
3568 			GOYA_PKT_WREG32_CTL_REG_OFFSET_MASK;
3569 
3570 	dev_dbg(hdev->dev, "WREG32 packet details:\n");
3571 	dev_dbg(hdev->dev, "reg_offset == 0x%x\n", reg_offset);
3572 	dev_dbg(hdev->dev, "value      == 0x%x\n",
3573 		le32_to_cpu(wreg_pkt->value));
3574 
3575 	if (reg_offset != (mmDMA_CH_0_WR_COMP_ADDR_LO & 0x1FFF)) {
3576 		dev_err(hdev->dev, "WREG32 packet with illegal address 0x%x\n",
3577 			reg_offset);
3578 		return -EPERM;
3579 	}
3580 
3581 	/*
3582 	 * With MMU, DMA channels are not secured, so it doesn't matter where
3583 	 * the WR COMP will be written to because it will go out with
3584 	 * non-secured property
3585 	 */
3586 	if (goya->hw_cap_initialized & HW_CAP_MMU)
3587 		return 0;
3588 
3589 	sob_start_addr = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0);
3590 	sob_end_addr = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1023);
3591 
3592 	if ((le32_to_cpu(wreg_pkt->value) < sob_start_addr) ||
3593 			(le32_to_cpu(wreg_pkt->value) > sob_end_addr)) {
3594 
3595 		dev_err(hdev->dev, "WREG32 packet with illegal value 0x%x\n",
3596 			wreg_pkt->value);
3597 		return -EPERM;
3598 	}
3599 
3600 	return 0;
3601 }
3602 
goya_validate_cb(struct hl_device * hdev,struct hl_cs_parser * parser,bool is_mmu)3603 static int goya_validate_cb(struct hl_device *hdev,
3604 			struct hl_cs_parser *parser, bool is_mmu)
3605 {
3606 	u32 cb_parsed_length = 0;
3607 	int rc = 0;
3608 
3609 	parser->patched_cb_size = 0;
3610 
3611 	/* cb_user_size is more than 0 so loop will always be executed */
3612 	while (cb_parsed_length < parser->user_cb_size) {
3613 		enum packet_id pkt_id;
3614 		u16 pkt_size;
3615 		struct goya_packet *user_pkt;
3616 
3617 		user_pkt = parser->user_cb->kernel_address + cb_parsed_length;
3618 
3619 		pkt_id = (enum packet_id) (
3620 				(le64_to_cpu(user_pkt->header) &
3621 				PACKET_HEADER_PACKET_ID_MASK) >>
3622 					PACKET_HEADER_PACKET_ID_SHIFT);
3623 
3624 		if (!validate_packet_id(pkt_id)) {
3625 			dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id);
3626 			rc = -EINVAL;
3627 			break;
3628 		}
3629 
3630 		pkt_size = goya_packet_sizes[pkt_id];
3631 		cb_parsed_length += pkt_size;
3632 		if (cb_parsed_length > parser->user_cb_size) {
3633 			dev_err(hdev->dev,
3634 				"packet 0x%x is out of CB boundary\n", pkt_id);
3635 			rc = -EINVAL;
3636 			break;
3637 		}
3638 
3639 		switch (pkt_id) {
3640 		case PACKET_WREG_32:
3641 			/*
3642 			 * Although it is validated after copy in patch_cb(),
3643 			 * need to validate here as well because patch_cb() is
3644 			 * not called in MMU path while this function is called
3645 			 */
3646 			rc = goya_validate_wreg32(hdev,
3647 				parser, (struct packet_wreg32 *) user_pkt);
3648 			parser->patched_cb_size += pkt_size;
3649 			break;
3650 
3651 		case PACKET_WREG_BULK:
3652 			dev_err(hdev->dev,
3653 				"User not allowed to use WREG_BULK\n");
3654 			rc = -EPERM;
3655 			break;
3656 
3657 		case PACKET_MSG_PROT:
3658 			dev_err(hdev->dev,
3659 				"User not allowed to use MSG_PROT\n");
3660 			rc = -EPERM;
3661 			break;
3662 
3663 		case PACKET_CP_DMA:
3664 			dev_err(hdev->dev, "User not allowed to use CP_DMA\n");
3665 			rc = -EPERM;
3666 			break;
3667 
3668 		case PACKET_STOP:
3669 			dev_err(hdev->dev, "User not allowed to use STOP\n");
3670 			rc = -EPERM;
3671 			break;
3672 
3673 		case PACKET_LIN_DMA:
3674 			if (is_mmu)
3675 				rc = goya_validate_dma_pkt_mmu(hdev, parser,
3676 					(struct packet_lin_dma *) user_pkt);
3677 			else
3678 				rc = goya_validate_dma_pkt_no_mmu(hdev, parser,
3679 					(struct packet_lin_dma *) user_pkt);
3680 			break;
3681 
3682 		case PACKET_MSG_LONG:
3683 		case PACKET_MSG_SHORT:
3684 		case PACKET_FENCE:
3685 		case PACKET_NOP:
3686 			parser->patched_cb_size += pkt_size;
3687 			break;
3688 
3689 		default:
3690 			dev_err(hdev->dev, "Invalid packet header 0x%x\n",
3691 				pkt_id);
3692 			rc = -EINVAL;
3693 			break;
3694 		}
3695 
3696 		if (rc)
3697 			break;
3698 	}
3699 
3700 	/*
3701 	 * The new CB should have space at the end for two MSG_PROT packets:
3702 	 * 1. A packet that will act as a completion packet
3703 	 * 2. A packet that will generate MSI-X interrupt
3704 	 */
3705 	parser->patched_cb_size += sizeof(struct packet_msg_prot) * 2;
3706 
3707 	return rc;
3708 }
3709 
goya_patch_dma_packet(struct hl_device * hdev,struct hl_cs_parser * parser,struct packet_lin_dma * user_dma_pkt,struct packet_lin_dma * new_dma_pkt,u32 * new_dma_pkt_size)3710 static int goya_patch_dma_packet(struct hl_device *hdev,
3711 				struct hl_cs_parser *parser,
3712 				struct packet_lin_dma *user_dma_pkt,
3713 				struct packet_lin_dma *new_dma_pkt,
3714 				u32 *new_dma_pkt_size)
3715 {
3716 	struct hl_userptr *userptr;
3717 	struct scatterlist *sg, *sg_next_iter;
3718 	u32 count, dma_desc_cnt;
3719 	u64 len, len_next;
3720 	dma_addr_t dma_addr, dma_addr_next;
3721 	enum goya_dma_direction user_dir;
3722 	u64 device_memory_addr, addr;
3723 	enum dma_data_direction dir;
3724 	struct sg_table *sgt;
3725 	bool skip_host_mem_pin = false;
3726 	bool user_memset;
3727 	u32 user_rdcomp_mask, user_wrcomp_mask, ctl;
3728 
3729 	ctl = le32_to_cpu(user_dma_pkt->ctl);
3730 
3731 	user_dir = (ctl & GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK) >>
3732 			GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT;
3733 
3734 	user_memset = (ctl & GOYA_PKT_LIN_DMA_CTL_MEMSET_MASK) >>
3735 			GOYA_PKT_LIN_DMA_CTL_MEMSET_SHIFT;
3736 
3737 	if ((user_dir == DMA_DRAM_TO_SRAM) || (user_dir == DMA_SRAM_TO_DRAM) ||
3738 			(user_dma_pkt->tsize == 0)) {
3739 		memcpy(new_dma_pkt, user_dma_pkt, sizeof(*new_dma_pkt));
3740 		*new_dma_pkt_size = sizeof(*new_dma_pkt);
3741 		return 0;
3742 	}
3743 
3744 	if ((user_dir == DMA_HOST_TO_DRAM) || (user_dir == DMA_HOST_TO_SRAM)) {
3745 		addr = le64_to_cpu(user_dma_pkt->src_addr);
3746 		device_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr);
3747 		dir = DMA_TO_DEVICE;
3748 		if (user_memset)
3749 			skip_host_mem_pin = true;
3750 	} else {
3751 		addr = le64_to_cpu(user_dma_pkt->dst_addr);
3752 		device_memory_addr = le64_to_cpu(user_dma_pkt->src_addr);
3753 		dir = DMA_FROM_DEVICE;
3754 	}
3755 
3756 	if ((!skip_host_mem_pin) &&
3757 		(hl_userptr_is_pinned(hdev, addr,
3758 			le32_to_cpu(user_dma_pkt->tsize),
3759 			parser->job_userptr_list, &userptr) == false)) {
3760 		dev_err(hdev->dev, "Userptr 0x%llx + 0x%x NOT mapped\n",
3761 				addr, user_dma_pkt->tsize);
3762 		return -EFAULT;
3763 	}
3764 
3765 	if ((user_memset) && (dir == DMA_TO_DEVICE)) {
3766 		memcpy(new_dma_pkt, user_dma_pkt, sizeof(*user_dma_pkt));
3767 		*new_dma_pkt_size = sizeof(*user_dma_pkt);
3768 		return 0;
3769 	}
3770 
3771 	user_rdcomp_mask = ctl & GOYA_PKT_LIN_DMA_CTL_RDCOMP_MASK;
3772 
3773 	user_wrcomp_mask = ctl & GOYA_PKT_LIN_DMA_CTL_WRCOMP_MASK;
3774 
3775 	sgt = userptr->sgt;
3776 	dma_desc_cnt = 0;
3777 
3778 	for_each_sg(sgt->sgl, sg, sgt->nents, count) {
3779 		len = sg_dma_len(sg);
3780 		dma_addr = sg_dma_address(sg);
3781 
3782 		if (len == 0)
3783 			break;
3784 
3785 		while ((count + 1) < sgt->nents) {
3786 			sg_next_iter = sg_next(sg);
3787 			len_next = sg_dma_len(sg_next_iter);
3788 			dma_addr_next = sg_dma_address(sg_next_iter);
3789 
3790 			if (len_next == 0)
3791 				break;
3792 
3793 			if ((dma_addr + len == dma_addr_next) &&
3794 				(len + len_next <= DMA_MAX_TRANSFER_SIZE)) {
3795 				len += len_next;
3796 				count++;
3797 				sg = sg_next_iter;
3798 			} else {
3799 				break;
3800 			}
3801 		}
3802 
3803 		ctl = le32_to_cpu(user_dma_pkt->ctl);
3804 		if (likely(dma_desc_cnt))
3805 			ctl &= ~GOYA_PKT_CTL_EB_MASK;
3806 		ctl &= ~(GOYA_PKT_LIN_DMA_CTL_RDCOMP_MASK |
3807 				GOYA_PKT_LIN_DMA_CTL_WRCOMP_MASK);
3808 		new_dma_pkt->ctl = cpu_to_le32(ctl);
3809 		new_dma_pkt->tsize = cpu_to_le32((u32) len);
3810 
3811 		if (dir == DMA_TO_DEVICE) {
3812 			new_dma_pkt->src_addr = cpu_to_le64(dma_addr);
3813 			new_dma_pkt->dst_addr = cpu_to_le64(device_memory_addr);
3814 		} else {
3815 			new_dma_pkt->src_addr = cpu_to_le64(device_memory_addr);
3816 			new_dma_pkt->dst_addr = cpu_to_le64(dma_addr);
3817 		}
3818 
3819 		if (!user_memset)
3820 			device_memory_addr += len;
3821 		dma_desc_cnt++;
3822 		new_dma_pkt++;
3823 	}
3824 
3825 	if (!dma_desc_cnt) {
3826 		dev_err(hdev->dev,
3827 			"Error of 0 SG entries when patching DMA packet\n");
3828 		return -EFAULT;
3829 	}
3830 
3831 	/* Fix the last dma packet - rdcomp/wrcomp must be as user set them */
3832 	new_dma_pkt--;
3833 	new_dma_pkt->ctl |= cpu_to_le32(user_rdcomp_mask | user_wrcomp_mask);
3834 
3835 	*new_dma_pkt_size = dma_desc_cnt * sizeof(struct packet_lin_dma);
3836 
3837 	return 0;
3838 }
3839 
goya_patch_cb(struct hl_device * hdev,struct hl_cs_parser * parser)3840 static int goya_patch_cb(struct hl_device *hdev,
3841 				struct hl_cs_parser *parser)
3842 {
3843 	u32 cb_parsed_length = 0;
3844 	u32 cb_patched_cur_length = 0;
3845 	int rc = 0;
3846 
3847 	/* cb_user_size is more than 0 so loop will always be executed */
3848 	while (cb_parsed_length < parser->user_cb_size) {
3849 		enum packet_id pkt_id;
3850 		u16 pkt_size;
3851 		u32 new_pkt_size = 0;
3852 		struct goya_packet *user_pkt, *kernel_pkt;
3853 
3854 		user_pkt = parser->user_cb->kernel_address + cb_parsed_length;
3855 		kernel_pkt = parser->patched_cb->kernel_address +
3856 					cb_patched_cur_length;
3857 
3858 		pkt_id = (enum packet_id) (
3859 				(le64_to_cpu(user_pkt->header) &
3860 				PACKET_HEADER_PACKET_ID_MASK) >>
3861 					PACKET_HEADER_PACKET_ID_SHIFT);
3862 
3863 		if (!validate_packet_id(pkt_id)) {
3864 			dev_err(hdev->dev, "Invalid packet id %u\n", pkt_id);
3865 			rc = -EINVAL;
3866 			break;
3867 		}
3868 
3869 		pkt_size = goya_packet_sizes[pkt_id];
3870 		cb_parsed_length += pkt_size;
3871 		if (cb_parsed_length > parser->user_cb_size) {
3872 			dev_err(hdev->dev,
3873 				"packet 0x%x is out of CB boundary\n", pkt_id);
3874 			rc = -EINVAL;
3875 			break;
3876 		}
3877 
3878 		switch (pkt_id) {
3879 		case PACKET_LIN_DMA:
3880 			rc = goya_patch_dma_packet(hdev, parser,
3881 					(struct packet_lin_dma *) user_pkt,
3882 					(struct packet_lin_dma *) kernel_pkt,
3883 					&new_pkt_size);
3884 			cb_patched_cur_length += new_pkt_size;
3885 			break;
3886 
3887 		case PACKET_WREG_32:
3888 			memcpy(kernel_pkt, user_pkt, pkt_size);
3889 			cb_patched_cur_length += pkt_size;
3890 			rc = goya_validate_wreg32(hdev, parser,
3891 					(struct packet_wreg32 *) kernel_pkt);
3892 			break;
3893 
3894 		case PACKET_WREG_BULK:
3895 			dev_err(hdev->dev,
3896 				"User not allowed to use WREG_BULK\n");
3897 			rc = -EPERM;
3898 			break;
3899 
3900 		case PACKET_MSG_PROT:
3901 			dev_err(hdev->dev,
3902 				"User not allowed to use MSG_PROT\n");
3903 			rc = -EPERM;
3904 			break;
3905 
3906 		case PACKET_CP_DMA:
3907 			dev_err(hdev->dev, "User not allowed to use CP_DMA\n");
3908 			rc = -EPERM;
3909 			break;
3910 
3911 		case PACKET_STOP:
3912 			dev_err(hdev->dev, "User not allowed to use STOP\n");
3913 			rc = -EPERM;
3914 			break;
3915 
3916 		case PACKET_MSG_LONG:
3917 		case PACKET_MSG_SHORT:
3918 		case PACKET_FENCE:
3919 		case PACKET_NOP:
3920 			memcpy(kernel_pkt, user_pkt, pkt_size);
3921 			cb_patched_cur_length += pkt_size;
3922 			break;
3923 
3924 		default:
3925 			dev_err(hdev->dev, "Invalid packet header 0x%x\n",
3926 				pkt_id);
3927 			rc = -EINVAL;
3928 			break;
3929 		}
3930 
3931 		if (rc)
3932 			break;
3933 	}
3934 
3935 	return rc;
3936 }
3937 
goya_parse_cb_mmu(struct hl_device * hdev,struct hl_cs_parser * parser)3938 static int goya_parse_cb_mmu(struct hl_device *hdev,
3939 		struct hl_cs_parser *parser)
3940 {
3941 	u64 patched_cb_handle;
3942 	u32 patched_cb_size;
3943 	struct hl_cb *user_cb;
3944 	int rc;
3945 
3946 	/*
3947 	 * The new CB should have space at the end for two MSG_PROT pkt:
3948 	 * 1. A packet that will act as a completion packet
3949 	 * 2. A packet that will generate MSI-X interrupt
3950 	 */
3951 	parser->patched_cb_size = parser->user_cb_size +
3952 			sizeof(struct packet_msg_prot) * 2;
3953 
3954 	rc = hl_cb_create(hdev, &hdev->kernel_cb_mgr, hdev->kernel_ctx,
3955 				parser->patched_cb_size, false, false,
3956 				&patched_cb_handle);
3957 
3958 	if (rc) {
3959 		dev_err(hdev->dev,
3960 			"Failed to allocate patched CB for DMA CS %d\n",
3961 			rc);
3962 		return rc;
3963 	}
3964 
3965 	patched_cb_handle >>= PAGE_SHIFT;
3966 	parser->patched_cb = hl_cb_get(hdev, &hdev->kernel_cb_mgr,
3967 				(u32) patched_cb_handle);
3968 	/* hl_cb_get should never fail here */
3969 	if (!parser->patched_cb) {
3970 		dev_crit(hdev->dev, "DMA CB handle invalid 0x%x\n",
3971 			(u32) patched_cb_handle);
3972 		rc = -EFAULT;
3973 		goto out;
3974 	}
3975 
3976 	/*
3977 	 * The check that parser->user_cb_size <= parser->user_cb->size was done
3978 	 * in validate_queue_index().
3979 	 */
3980 	memcpy(parser->patched_cb->kernel_address,
3981 		parser->user_cb->kernel_address,
3982 		parser->user_cb_size);
3983 
3984 	patched_cb_size = parser->patched_cb_size;
3985 
3986 	/* validate patched CB instead of user CB */
3987 	user_cb = parser->user_cb;
3988 	parser->user_cb = parser->patched_cb;
3989 	rc = goya_validate_cb(hdev, parser, true);
3990 	parser->user_cb = user_cb;
3991 
3992 	if (rc) {
3993 		hl_cb_put(parser->patched_cb);
3994 		goto out;
3995 	}
3996 
3997 	if (patched_cb_size != parser->patched_cb_size) {
3998 		dev_err(hdev->dev, "user CB size mismatch\n");
3999 		hl_cb_put(parser->patched_cb);
4000 		rc = -EINVAL;
4001 		goto out;
4002 	}
4003 
4004 out:
4005 	/*
4006 	 * Always call cb destroy here because we still have 1 reference
4007 	 * to it by calling cb_get earlier. After the job will be completed,
4008 	 * cb_put will release it, but here we want to remove it from the
4009 	 * idr
4010 	 */
4011 	hl_cb_destroy(hdev, &hdev->kernel_cb_mgr,
4012 					patched_cb_handle << PAGE_SHIFT);
4013 
4014 	return rc;
4015 }
4016 
goya_parse_cb_no_mmu(struct hl_device * hdev,struct hl_cs_parser * parser)4017 static int goya_parse_cb_no_mmu(struct hl_device *hdev,
4018 				struct hl_cs_parser *parser)
4019 {
4020 	u64 patched_cb_handle;
4021 	int rc;
4022 
4023 	rc = goya_validate_cb(hdev, parser, false);
4024 
4025 	if (rc)
4026 		goto free_userptr;
4027 
4028 	rc = hl_cb_create(hdev, &hdev->kernel_cb_mgr, hdev->kernel_ctx,
4029 				parser->patched_cb_size, false, false,
4030 				&patched_cb_handle);
4031 	if (rc) {
4032 		dev_err(hdev->dev,
4033 			"Failed to allocate patched CB for DMA CS %d\n", rc);
4034 		goto free_userptr;
4035 	}
4036 
4037 	patched_cb_handle >>= PAGE_SHIFT;
4038 	parser->patched_cb = hl_cb_get(hdev, &hdev->kernel_cb_mgr,
4039 				(u32) patched_cb_handle);
4040 	/* hl_cb_get should never fail here */
4041 	if (!parser->patched_cb) {
4042 		dev_crit(hdev->dev, "DMA CB handle invalid 0x%x\n",
4043 			(u32) patched_cb_handle);
4044 		rc = -EFAULT;
4045 		goto out;
4046 	}
4047 
4048 	rc = goya_patch_cb(hdev, parser);
4049 
4050 	if (rc)
4051 		hl_cb_put(parser->patched_cb);
4052 
4053 out:
4054 	/*
4055 	 * Always call cb destroy here because we still have 1 reference
4056 	 * to it by calling cb_get earlier. After the job will be completed,
4057 	 * cb_put will release it, but here we want to remove it from the
4058 	 * idr
4059 	 */
4060 	hl_cb_destroy(hdev, &hdev->kernel_cb_mgr,
4061 				patched_cb_handle << PAGE_SHIFT);
4062 
4063 free_userptr:
4064 	if (rc)
4065 		hl_userptr_delete_list(hdev, parser->job_userptr_list);
4066 	return rc;
4067 }
4068 
goya_parse_cb_no_ext_queue(struct hl_device * hdev,struct hl_cs_parser * parser)4069 static int goya_parse_cb_no_ext_queue(struct hl_device *hdev,
4070 					struct hl_cs_parser *parser)
4071 {
4072 	struct asic_fixed_properties *asic_prop = &hdev->asic_prop;
4073 	struct goya_device *goya = hdev->asic_specific;
4074 
4075 	if (goya->hw_cap_initialized & HW_CAP_MMU)
4076 		return 0;
4077 
4078 	/* For internal queue jobs, just check if CB address is valid */
4079 	if (hl_mem_area_inside_range(
4080 			(u64) (uintptr_t) parser->user_cb,
4081 			parser->user_cb_size,
4082 			asic_prop->sram_user_base_address,
4083 			asic_prop->sram_end_address))
4084 		return 0;
4085 
4086 	if (hl_mem_area_inside_range(
4087 			(u64) (uintptr_t) parser->user_cb,
4088 			parser->user_cb_size,
4089 			asic_prop->dram_user_base_address,
4090 			asic_prop->dram_end_address))
4091 		return 0;
4092 
4093 	dev_err(hdev->dev,
4094 		"Internal CB address 0x%px + 0x%x is not in SRAM nor in DRAM\n",
4095 		parser->user_cb, parser->user_cb_size);
4096 
4097 	return -EFAULT;
4098 }
4099 
goya_cs_parser(struct hl_device * hdev,struct hl_cs_parser * parser)4100 int goya_cs_parser(struct hl_device *hdev, struct hl_cs_parser *parser)
4101 {
4102 	struct goya_device *goya = hdev->asic_specific;
4103 
4104 	if (parser->queue_type == QUEUE_TYPE_INT)
4105 		return goya_parse_cb_no_ext_queue(hdev, parser);
4106 
4107 	if (goya->hw_cap_initialized & HW_CAP_MMU)
4108 		return goya_parse_cb_mmu(hdev, parser);
4109 	else
4110 		return goya_parse_cb_no_mmu(hdev, parser);
4111 }
4112 
goya_add_end_of_cb_packets(struct hl_device * hdev,void * kernel_address,u32 len,u64 cq_addr,u32 cq_val,u32 msix_vec,bool eb)4113 void goya_add_end_of_cb_packets(struct hl_device *hdev, void *kernel_address,
4114 				u32 len, u64 cq_addr, u32 cq_val, u32 msix_vec,
4115 				bool eb)
4116 {
4117 	struct packet_msg_prot *cq_pkt;
4118 	u32 tmp;
4119 
4120 	cq_pkt = kernel_address + len - (sizeof(struct packet_msg_prot) * 2);
4121 
4122 	tmp = (PACKET_MSG_PROT << GOYA_PKT_CTL_OPCODE_SHIFT) |
4123 			(1 << GOYA_PKT_CTL_EB_SHIFT) |
4124 			(1 << GOYA_PKT_CTL_MB_SHIFT);
4125 	cq_pkt->ctl = cpu_to_le32(tmp);
4126 	cq_pkt->value = cpu_to_le32(cq_val);
4127 	cq_pkt->addr = cpu_to_le64(cq_addr);
4128 
4129 	cq_pkt++;
4130 
4131 	tmp = (PACKET_MSG_PROT << GOYA_PKT_CTL_OPCODE_SHIFT) |
4132 			(1 << GOYA_PKT_CTL_MB_SHIFT);
4133 	cq_pkt->ctl = cpu_to_le32(tmp);
4134 	cq_pkt->value = cpu_to_le32(msix_vec & 0x7FF);
4135 	cq_pkt->addr = cpu_to_le64(CFG_BASE + mmPCIE_DBI_MSIX_DOORBELL_OFF);
4136 }
4137 
goya_update_eq_ci(struct hl_device * hdev,u32 val)4138 void goya_update_eq_ci(struct hl_device *hdev, u32 val)
4139 {
4140 	WREG32(mmCPU_EQ_CI, val);
4141 }
4142 
goya_restore_phase_topology(struct hl_device * hdev)4143 void goya_restore_phase_topology(struct hl_device *hdev)
4144 {
4145 
4146 }
4147 
goya_clear_sm_regs(struct hl_device * hdev)4148 static void goya_clear_sm_regs(struct hl_device *hdev)
4149 {
4150 	int i, num_of_sob_in_longs, num_of_mon_in_longs;
4151 
4152 	num_of_sob_in_longs =
4153 		((mmSYNC_MNGR_SOB_OBJ_1023 - mmSYNC_MNGR_SOB_OBJ_0) + 4);
4154 
4155 	num_of_mon_in_longs =
4156 		((mmSYNC_MNGR_MON_STATUS_255 - mmSYNC_MNGR_MON_STATUS_0) + 4);
4157 
4158 	for (i = 0 ; i < num_of_sob_in_longs ; i += 4)
4159 		WREG32(mmSYNC_MNGR_SOB_OBJ_0 + i, 0);
4160 
4161 	for (i = 0 ; i < num_of_mon_in_longs ; i += 4)
4162 		WREG32(mmSYNC_MNGR_MON_STATUS_0 + i, 0);
4163 
4164 	/* Flush all WREG to prevent race */
4165 	i = RREG32(mmSYNC_MNGR_SOB_OBJ_0);
4166 }
4167 
4168 /*
4169  * goya_debugfs_read32 - read a 32bit value from a given device or a host mapped
4170  *                       address.
4171  *
4172  * @hdev:	pointer to hl_device structure
4173  * @addr:	device or host mapped address
4174  * @val:	returned value
4175  *
4176  * In case of DDR address that is not mapped into the default aperture that
4177  * the DDR bar exposes, the function will configure the iATU so that the DDR
4178  * bar will be positioned at a base address that allows reading from the
4179  * required address. Configuring the iATU during normal operation can
4180  * lead to undefined behavior and therefore, should be done with extreme care
4181  *
4182  */
goya_debugfs_read32(struct hl_device * hdev,u64 addr,bool user_address,u32 * val)4183 static int goya_debugfs_read32(struct hl_device *hdev, u64 addr,
4184 			bool user_address, u32 *val)
4185 {
4186 	struct asic_fixed_properties *prop = &hdev->asic_prop;
4187 	u64 ddr_bar_addr, host_phys_end;
4188 	int rc = 0;
4189 
4190 	host_phys_end = HOST_PHYS_BASE + HOST_PHYS_SIZE;
4191 
4192 	if ((addr >= CFG_BASE) && (addr < CFG_BASE + CFG_SIZE)) {
4193 		*val = RREG32(addr - CFG_BASE);
4194 
4195 	} else if ((addr >= SRAM_BASE_ADDR) &&
4196 			(addr < SRAM_BASE_ADDR + SRAM_SIZE)) {
4197 
4198 		*val = readl(hdev->pcie_bar[SRAM_CFG_BAR_ID] +
4199 				(addr - SRAM_BASE_ADDR));
4200 
4201 	} else if (addr < DRAM_PHYS_BASE + hdev->asic_prop.dram_size) {
4202 
4203 		u64 bar_base_addr = DRAM_PHYS_BASE +
4204 				(addr & ~(prop->dram_pci_bar_size - 0x1ull));
4205 
4206 		ddr_bar_addr = goya_set_ddr_bar_base(hdev, bar_base_addr);
4207 		if (ddr_bar_addr != U64_MAX) {
4208 			*val = readl(hdev->pcie_bar[DDR_BAR_ID] +
4209 						(addr - bar_base_addr));
4210 
4211 			ddr_bar_addr = goya_set_ddr_bar_base(hdev,
4212 							ddr_bar_addr);
4213 		}
4214 		if (ddr_bar_addr == U64_MAX)
4215 			rc = -EIO;
4216 
4217 	} else if (addr >= HOST_PHYS_BASE && addr < host_phys_end &&
4218 			user_address && !iommu_present(&pci_bus_type)) {
4219 		*val = *(u32 *) phys_to_virt(addr - HOST_PHYS_BASE);
4220 
4221 	} else {
4222 		rc = -EFAULT;
4223 	}
4224 
4225 	return rc;
4226 }
4227 
4228 /*
4229  * goya_debugfs_write32 - write a 32bit value to a given device or a host mapped
4230  *                        address.
4231  *
4232  * @hdev:	pointer to hl_device structure
4233  * @addr:	device or host mapped address
4234  * @val:	returned value
4235  *
4236  * In case of DDR address that is not mapped into the default aperture that
4237  * the DDR bar exposes, the function will configure the iATU so that the DDR
4238  * bar will be positioned at a base address that allows writing to the
4239  * required address. Configuring the iATU during normal operation can
4240  * lead to undefined behavior and therefore, should be done with extreme care
4241  *
4242  */
goya_debugfs_write32(struct hl_device * hdev,u64 addr,bool user_address,u32 val)4243 static int goya_debugfs_write32(struct hl_device *hdev, u64 addr,
4244 			bool user_address, u32 val)
4245 {
4246 	struct asic_fixed_properties *prop = &hdev->asic_prop;
4247 	u64 ddr_bar_addr, host_phys_end;
4248 	int rc = 0;
4249 
4250 	host_phys_end = HOST_PHYS_BASE + HOST_PHYS_SIZE;
4251 
4252 	if ((addr >= CFG_BASE) && (addr < CFG_BASE + CFG_SIZE)) {
4253 		WREG32(addr - CFG_BASE, val);
4254 
4255 	} else if ((addr >= SRAM_BASE_ADDR) &&
4256 			(addr < SRAM_BASE_ADDR + SRAM_SIZE)) {
4257 
4258 		writel(val, hdev->pcie_bar[SRAM_CFG_BAR_ID] +
4259 					(addr - SRAM_BASE_ADDR));
4260 
4261 	} else if (addr < DRAM_PHYS_BASE + hdev->asic_prop.dram_size) {
4262 
4263 		u64 bar_base_addr = DRAM_PHYS_BASE +
4264 				(addr & ~(prop->dram_pci_bar_size - 0x1ull));
4265 
4266 		ddr_bar_addr = goya_set_ddr_bar_base(hdev, bar_base_addr);
4267 		if (ddr_bar_addr != U64_MAX) {
4268 			writel(val, hdev->pcie_bar[DDR_BAR_ID] +
4269 						(addr - bar_base_addr));
4270 
4271 			ddr_bar_addr = goya_set_ddr_bar_base(hdev,
4272 							ddr_bar_addr);
4273 		}
4274 		if (ddr_bar_addr == U64_MAX)
4275 			rc = -EIO;
4276 
4277 	} else if (addr >= HOST_PHYS_BASE && addr < host_phys_end &&
4278 			user_address && !iommu_present(&pci_bus_type)) {
4279 		*(u32 *) phys_to_virt(addr - HOST_PHYS_BASE) = val;
4280 
4281 	} else {
4282 		rc = -EFAULT;
4283 	}
4284 
4285 	return rc;
4286 }
4287 
goya_debugfs_read64(struct hl_device * hdev,u64 addr,bool user_address,u64 * val)4288 static int goya_debugfs_read64(struct hl_device *hdev, u64 addr,
4289 			bool user_address, u64 *val)
4290 {
4291 	struct asic_fixed_properties *prop = &hdev->asic_prop;
4292 	u64 ddr_bar_addr, host_phys_end;
4293 	int rc = 0;
4294 
4295 	host_phys_end = HOST_PHYS_BASE + HOST_PHYS_SIZE;
4296 
4297 	if ((addr >= CFG_BASE) && (addr <= CFG_BASE + CFG_SIZE - sizeof(u64))) {
4298 		u32 val_l = RREG32(addr - CFG_BASE);
4299 		u32 val_h = RREG32(addr + sizeof(u32) - CFG_BASE);
4300 
4301 		*val = (((u64) val_h) << 32) | val_l;
4302 
4303 	} else if ((addr >= SRAM_BASE_ADDR) &&
4304 			(addr <= SRAM_BASE_ADDR + SRAM_SIZE - sizeof(u64))) {
4305 
4306 		*val = readq(hdev->pcie_bar[SRAM_CFG_BAR_ID] +
4307 				(addr - SRAM_BASE_ADDR));
4308 
4309 	} else if (addr <=
4310 		   DRAM_PHYS_BASE + hdev->asic_prop.dram_size - sizeof(u64)) {
4311 
4312 		u64 bar_base_addr = DRAM_PHYS_BASE +
4313 				(addr & ~(prop->dram_pci_bar_size - 0x1ull));
4314 
4315 		ddr_bar_addr = goya_set_ddr_bar_base(hdev, bar_base_addr);
4316 		if (ddr_bar_addr != U64_MAX) {
4317 			*val = readq(hdev->pcie_bar[DDR_BAR_ID] +
4318 						(addr - bar_base_addr));
4319 
4320 			ddr_bar_addr = goya_set_ddr_bar_base(hdev,
4321 							ddr_bar_addr);
4322 		}
4323 		if (ddr_bar_addr == U64_MAX)
4324 			rc = -EIO;
4325 
4326 	} else if (addr >= HOST_PHYS_BASE && addr < host_phys_end &&
4327 			user_address && !iommu_present(&pci_bus_type)) {
4328 		*val = *(u64 *) phys_to_virt(addr - HOST_PHYS_BASE);
4329 
4330 	} else {
4331 		rc = -EFAULT;
4332 	}
4333 
4334 	return rc;
4335 }
4336 
goya_debugfs_write64(struct hl_device * hdev,u64 addr,bool user_address,u64 val)4337 static int goya_debugfs_write64(struct hl_device *hdev, u64 addr,
4338 				bool user_address, u64 val)
4339 {
4340 	struct asic_fixed_properties *prop = &hdev->asic_prop;
4341 	u64 ddr_bar_addr, host_phys_end;
4342 	int rc = 0;
4343 
4344 	host_phys_end = HOST_PHYS_BASE + HOST_PHYS_SIZE;
4345 
4346 	if ((addr >= CFG_BASE) && (addr <= CFG_BASE + CFG_SIZE - sizeof(u64))) {
4347 		WREG32(addr - CFG_BASE, lower_32_bits(val));
4348 		WREG32(addr + sizeof(u32) - CFG_BASE, upper_32_bits(val));
4349 
4350 	} else if ((addr >= SRAM_BASE_ADDR) &&
4351 			(addr <= SRAM_BASE_ADDR + SRAM_SIZE - sizeof(u64))) {
4352 
4353 		writeq(val, hdev->pcie_bar[SRAM_CFG_BAR_ID] +
4354 					(addr - SRAM_BASE_ADDR));
4355 
4356 	} else if (addr <=
4357 		   DRAM_PHYS_BASE + hdev->asic_prop.dram_size - sizeof(u64)) {
4358 
4359 		u64 bar_base_addr = DRAM_PHYS_BASE +
4360 				(addr & ~(prop->dram_pci_bar_size - 0x1ull));
4361 
4362 		ddr_bar_addr = goya_set_ddr_bar_base(hdev, bar_base_addr);
4363 		if (ddr_bar_addr != U64_MAX) {
4364 			writeq(val, hdev->pcie_bar[DDR_BAR_ID] +
4365 						(addr - bar_base_addr));
4366 
4367 			ddr_bar_addr = goya_set_ddr_bar_base(hdev,
4368 							ddr_bar_addr);
4369 		}
4370 		if (ddr_bar_addr == U64_MAX)
4371 			rc = -EIO;
4372 
4373 	} else if (addr >= HOST_PHYS_BASE && addr < host_phys_end &&
4374 			user_address && !iommu_present(&pci_bus_type)) {
4375 		*(u64 *) phys_to_virt(addr - HOST_PHYS_BASE) = val;
4376 
4377 	} else {
4378 		rc = -EFAULT;
4379 	}
4380 
4381 	return rc;
4382 }
4383 
goya_debugfs_read_dma(struct hl_device * hdev,u64 addr,u32 size,void * blob_addr)4384 static int goya_debugfs_read_dma(struct hl_device *hdev, u64 addr, u32 size,
4385 				void *blob_addr)
4386 {
4387 	dev_err(hdev->dev, "Reading via DMA is unimplemented yet\n");
4388 	return -EPERM;
4389 }
4390 
goya_read_pte(struct hl_device * hdev,u64 addr)4391 static u64 goya_read_pte(struct hl_device *hdev, u64 addr)
4392 {
4393 	struct goya_device *goya = hdev->asic_specific;
4394 
4395 	if (hdev->hard_reset_pending)
4396 		return U64_MAX;
4397 
4398 	return readq(hdev->pcie_bar[DDR_BAR_ID] +
4399 			(addr - goya->ddr_bar_cur_addr));
4400 }
4401 
goya_write_pte(struct hl_device * hdev,u64 addr,u64 val)4402 static void goya_write_pte(struct hl_device *hdev, u64 addr, u64 val)
4403 {
4404 	struct goya_device *goya = hdev->asic_specific;
4405 
4406 	if (hdev->hard_reset_pending)
4407 		return;
4408 
4409 	writeq(val, hdev->pcie_bar[DDR_BAR_ID] +
4410 			(addr - goya->ddr_bar_cur_addr));
4411 }
4412 
_goya_get_event_desc(u16 event_type)4413 static const char *_goya_get_event_desc(u16 event_type)
4414 {
4415 	switch (event_type) {
4416 	case GOYA_ASYNC_EVENT_ID_PCIE_IF:
4417 		return "PCIe_if";
4418 	case GOYA_ASYNC_EVENT_ID_TPC0_ECC:
4419 	case GOYA_ASYNC_EVENT_ID_TPC1_ECC:
4420 	case GOYA_ASYNC_EVENT_ID_TPC2_ECC:
4421 	case GOYA_ASYNC_EVENT_ID_TPC3_ECC:
4422 	case GOYA_ASYNC_EVENT_ID_TPC4_ECC:
4423 	case GOYA_ASYNC_EVENT_ID_TPC5_ECC:
4424 	case GOYA_ASYNC_EVENT_ID_TPC6_ECC:
4425 	case GOYA_ASYNC_EVENT_ID_TPC7_ECC:
4426 		return "TPC%d_ecc";
4427 	case GOYA_ASYNC_EVENT_ID_MME_ECC:
4428 		return "MME_ecc";
4429 	case GOYA_ASYNC_EVENT_ID_MME_ECC_EXT:
4430 		return "MME_ecc_ext";
4431 	case GOYA_ASYNC_EVENT_ID_MMU_ECC:
4432 		return "MMU_ecc";
4433 	case GOYA_ASYNC_EVENT_ID_DMA_MACRO:
4434 		return "DMA_macro";
4435 	case GOYA_ASYNC_EVENT_ID_DMA_ECC:
4436 		return "DMA_ecc";
4437 	case GOYA_ASYNC_EVENT_ID_CPU_IF_ECC:
4438 		return "CPU_if_ecc";
4439 	case GOYA_ASYNC_EVENT_ID_PSOC_MEM:
4440 		return "PSOC_mem";
4441 	case GOYA_ASYNC_EVENT_ID_PSOC_CORESIGHT:
4442 		return "PSOC_coresight";
4443 	case GOYA_ASYNC_EVENT_ID_SRAM0 ... GOYA_ASYNC_EVENT_ID_SRAM29:
4444 		return "SRAM%d";
4445 	case GOYA_ASYNC_EVENT_ID_GIC500:
4446 		return "GIC500";
4447 	case GOYA_ASYNC_EVENT_ID_PLL0 ... GOYA_ASYNC_EVENT_ID_PLL6:
4448 		return "PLL%d";
4449 	case GOYA_ASYNC_EVENT_ID_AXI_ECC:
4450 		return "AXI_ecc";
4451 	case GOYA_ASYNC_EVENT_ID_L2_RAM_ECC:
4452 		return "L2_ram_ecc";
4453 	case GOYA_ASYNC_EVENT_ID_PSOC_GPIO_05_SW_RESET:
4454 		return "PSOC_gpio_05_sw_reset";
4455 	case GOYA_ASYNC_EVENT_ID_PSOC_GPIO_10_VRHOT_ICRIT:
4456 		return "PSOC_gpio_10_vrhot_icrit";
4457 	case GOYA_ASYNC_EVENT_ID_PCIE_DEC:
4458 		return "PCIe_dec";
4459 	case GOYA_ASYNC_EVENT_ID_TPC0_DEC:
4460 	case GOYA_ASYNC_EVENT_ID_TPC1_DEC:
4461 	case GOYA_ASYNC_EVENT_ID_TPC2_DEC:
4462 	case GOYA_ASYNC_EVENT_ID_TPC3_DEC:
4463 	case GOYA_ASYNC_EVENT_ID_TPC4_DEC:
4464 	case GOYA_ASYNC_EVENT_ID_TPC5_DEC:
4465 	case GOYA_ASYNC_EVENT_ID_TPC6_DEC:
4466 	case GOYA_ASYNC_EVENT_ID_TPC7_DEC:
4467 		return "TPC%d_dec";
4468 	case GOYA_ASYNC_EVENT_ID_MME_WACS:
4469 		return "MME_wacs";
4470 	case GOYA_ASYNC_EVENT_ID_MME_WACSD:
4471 		return "MME_wacsd";
4472 	case GOYA_ASYNC_EVENT_ID_CPU_AXI_SPLITTER:
4473 		return "CPU_axi_splitter";
4474 	case GOYA_ASYNC_EVENT_ID_PSOC_AXI_DEC:
4475 		return "PSOC_axi_dec";
4476 	case GOYA_ASYNC_EVENT_ID_PSOC:
4477 		return "PSOC";
4478 	case GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR:
4479 	case GOYA_ASYNC_EVENT_ID_TPC1_KRN_ERR:
4480 	case GOYA_ASYNC_EVENT_ID_TPC2_KRN_ERR:
4481 	case GOYA_ASYNC_EVENT_ID_TPC3_KRN_ERR:
4482 	case GOYA_ASYNC_EVENT_ID_TPC4_KRN_ERR:
4483 	case GOYA_ASYNC_EVENT_ID_TPC5_KRN_ERR:
4484 	case GOYA_ASYNC_EVENT_ID_TPC6_KRN_ERR:
4485 	case GOYA_ASYNC_EVENT_ID_TPC7_KRN_ERR:
4486 		return "TPC%d_krn_err";
4487 	case GOYA_ASYNC_EVENT_ID_TPC0_CMDQ ... GOYA_ASYNC_EVENT_ID_TPC7_CMDQ:
4488 		return "TPC%d_cq";
4489 	case GOYA_ASYNC_EVENT_ID_TPC0_QM ... GOYA_ASYNC_EVENT_ID_TPC7_QM:
4490 		return "TPC%d_qm";
4491 	case GOYA_ASYNC_EVENT_ID_MME_QM:
4492 		return "MME_qm";
4493 	case GOYA_ASYNC_EVENT_ID_MME_CMDQ:
4494 		return "MME_cq";
4495 	case GOYA_ASYNC_EVENT_ID_DMA0_QM ... GOYA_ASYNC_EVENT_ID_DMA4_QM:
4496 		return "DMA%d_qm";
4497 	case GOYA_ASYNC_EVENT_ID_DMA0_CH ... GOYA_ASYNC_EVENT_ID_DMA4_CH:
4498 		return "DMA%d_ch";
4499 	case GOYA_ASYNC_EVENT_ID_TPC0_BMON_SPMU:
4500 	case GOYA_ASYNC_EVENT_ID_TPC1_BMON_SPMU:
4501 	case GOYA_ASYNC_EVENT_ID_TPC2_BMON_SPMU:
4502 	case GOYA_ASYNC_EVENT_ID_TPC3_BMON_SPMU:
4503 	case GOYA_ASYNC_EVENT_ID_TPC4_BMON_SPMU:
4504 	case GOYA_ASYNC_EVENT_ID_TPC5_BMON_SPMU:
4505 	case GOYA_ASYNC_EVENT_ID_TPC6_BMON_SPMU:
4506 	case GOYA_ASYNC_EVENT_ID_TPC7_BMON_SPMU:
4507 		return "TPC%d_bmon_spmu";
4508 	case GOYA_ASYNC_EVENT_ID_DMA_BM_CH0 ... GOYA_ASYNC_EVENT_ID_DMA_BM_CH4:
4509 		return "DMA_bm_ch%d";
4510 	case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_S:
4511 		return "POWER_ENV_S";
4512 	case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_E:
4513 		return "POWER_ENV_E";
4514 	case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_S:
4515 		return "THERMAL_ENV_S";
4516 	case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_E:
4517 		return "THERMAL_ENV_E";
4518 	case GOYA_ASYNC_EVENT_PKT_QUEUE_OUT_SYNC:
4519 		return "QUEUE_OUT_OF_SYNC";
4520 	default:
4521 		return "N/A";
4522 	}
4523 }
4524 
goya_get_event_desc(u16 event_type,char * desc,size_t size)4525 static void goya_get_event_desc(u16 event_type, char *desc, size_t size)
4526 {
4527 	u8 index;
4528 
4529 	switch (event_type) {
4530 	case GOYA_ASYNC_EVENT_ID_TPC0_ECC:
4531 	case GOYA_ASYNC_EVENT_ID_TPC1_ECC:
4532 	case GOYA_ASYNC_EVENT_ID_TPC2_ECC:
4533 	case GOYA_ASYNC_EVENT_ID_TPC3_ECC:
4534 	case GOYA_ASYNC_EVENT_ID_TPC4_ECC:
4535 	case GOYA_ASYNC_EVENT_ID_TPC5_ECC:
4536 	case GOYA_ASYNC_EVENT_ID_TPC6_ECC:
4537 	case GOYA_ASYNC_EVENT_ID_TPC7_ECC:
4538 		index = (event_type - GOYA_ASYNC_EVENT_ID_TPC0_ECC) / 3;
4539 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4540 		break;
4541 	case GOYA_ASYNC_EVENT_ID_SRAM0 ... GOYA_ASYNC_EVENT_ID_SRAM29:
4542 		index = event_type - GOYA_ASYNC_EVENT_ID_SRAM0;
4543 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4544 		break;
4545 	case GOYA_ASYNC_EVENT_ID_PLL0 ... GOYA_ASYNC_EVENT_ID_PLL6:
4546 		index = event_type - GOYA_ASYNC_EVENT_ID_PLL0;
4547 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4548 		break;
4549 	case GOYA_ASYNC_EVENT_ID_TPC0_DEC:
4550 	case GOYA_ASYNC_EVENT_ID_TPC1_DEC:
4551 	case GOYA_ASYNC_EVENT_ID_TPC2_DEC:
4552 	case GOYA_ASYNC_EVENT_ID_TPC3_DEC:
4553 	case GOYA_ASYNC_EVENT_ID_TPC4_DEC:
4554 	case GOYA_ASYNC_EVENT_ID_TPC5_DEC:
4555 	case GOYA_ASYNC_EVENT_ID_TPC6_DEC:
4556 	case GOYA_ASYNC_EVENT_ID_TPC7_DEC:
4557 		index = (event_type - GOYA_ASYNC_EVENT_ID_TPC0_DEC) / 3;
4558 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4559 		break;
4560 	case GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR:
4561 	case GOYA_ASYNC_EVENT_ID_TPC1_KRN_ERR:
4562 	case GOYA_ASYNC_EVENT_ID_TPC2_KRN_ERR:
4563 	case GOYA_ASYNC_EVENT_ID_TPC3_KRN_ERR:
4564 	case GOYA_ASYNC_EVENT_ID_TPC4_KRN_ERR:
4565 	case GOYA_ASYNC_EVENT_ID_TPC5_KRN_ERR:
4566 	case GOYA_ASYNC_EVENT_ID_TPC6_KRN_ERR:
4567 	case GOYA_ASYNC_EVENT_ID_TPC7_KRN_ERR:
4568 		index = (event_type - GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR) / 10;
4569 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4570 		break;
4571 	case GOYA_ASYNC_EVENT_ID_TPC0_CMDQ ... GOYA_ASYNC_EVENT_ID_TPC7_CMDQ:
4572 		index = event_type - GOYA_ASYNC_EVENT_ID_TPC0_CMDQ;
4573 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4574 		break;
4575 	case GOYA_ASYNC_EVENT_ID_TPC0_QM ... GOYA_ASYNC_EVENT_ID_TPC7_QM:
4576 		index = event_type - GOYA_ASYNC_EVENT_ID_TPC0_QM;
4577 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4578 		break;
4579 	case GOYA_ASYNC_EVENT_ID_DMA0_QM ... GOYA_ASYNC_EVENT_ID_DMA4_QM:
4580 		index = event_type - GOYA_ASYNC_EVENT_ID_DMA0_QM;
4581 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4582 		break;
4583 	case GOYA_ASYNC_EVENT_ID_DMA0_CH ... GOYA_ASYNC_EVENT_ID_DMA4_CH:
4584 		index = event_type - GOYA_ASYNC_EVENT_ID_DMA0_CH;
4585 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4586 		break;
4587 	case GOYA_ASYNC_EVENT_ID_TPC0_BMON_SPMU:
4588 	case GOYA_ASYNC_EVENT_ID_TPC1_BMON_SPMU:
4589 	case GOYA_ASYNC_EVENT_ID_TPC2_BMON_SPMU:
4590 	case GOYA_ASYNC_EVENT_ID_TPC3_BMON_SPMU:
4591 	case GOYA_ASYNC_EVENT_ID_TPC4_BMON_SPMU:
4592 	case GOYA_ASYNC_EVENT_ID_TPC5_BMON_SPMU:
4593 	case GOYA_ASYNC_EVENT_ID_TPC6_BMON_SPMU:
4594 	case GOYA_ASYNC_EVENT_ID_TPC7_BMON_SPMU:
4595 		index = (event_type - GOYA_ASYNC_EVENT_ID_TPC0_BMON_SPMU) / 10;
4596 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4597 		break;
4598 	case GOYA_ASYNC_EVENT_ID_DMA_BM_CH0 ... GOYA_ASYNC_EVENT_ID_DMA_BM_CH4:
4599 		index = event_type - GOYA_ASYNC_EVENT_ID_DMA_BM_CH0;
4600 		snprintf(desc, size, _goya_get_event_desc(event_type), index);
4601 		break;
4602 	case GOYA_ASYNC_EVENT_PKT_QUEUE_OUT_SYNC:
4603 		snprintf(desc, size, _goya_get_event_desc(event_type));
4604 		break;
4605 	default:
4606 		snprintf(desc, size, _goya_get_event_desc(event_type));
4607 		break;
4608 	}
4609 }
4610 
goya_print_razwi_info(struct hl_device * hdev)4611 static void goya_print_razwi_info(struct hl_device *hdev)
4612 {
4613 	if (RREG32(mmDMA_MACRO_RAZWI_LBW_WT_VLD)) {
4614 		dev_err_ratelimited(hdev->dev, "Illegal write to LBW\n");
4615 		WREG32(mmDMA_MACRO_RAZWI_LBW_WT_VLD, 0);
4616 	}
4617 
4618 	if (RREG32(mmDMA_MACRO_RAZWI_LBW_RD_VLD)) {
4619 		dev_err_ratelimited(hdev->dev, "Illegal read from LBW\n");
4620 		WREG32(mmDMA_MACRO_RAZWI_LBW_RD_VLD, 0);
4621 	}
4622 
4623 	if (RREG32(mmDMA_MACRO_RAZWI_HBW_WT_VLD)) {
4624 		dev_err_ratelimited(hdev->dev, "Illegal write to HBW\n");
4625 		WREG32(mmDMA_MACRO_RAZWI_HBW_WT_VLD, 0);
4626 	}
4627 
4628 	if (RREG32(mmDMA_MACRO_RAZWI_HBW_RD_VLD)) {
4629 		dev_err_ratelimited(hdev->dev, "Illegal read from HBW\n");
4630 		WREG32(mmDMA_MACRO_RAZWI_HBW_RD_VLD, 0);
4631 	}
4632 }
4633 
goya_print_mmu_error_info(struct hl_device * hdev)4634 static void goya_print_mmu_error_info(struct hl_device *hdev)
4635 {
4636 	struct goya_device *goya = hdev->asic_specific;
4637 	u64 addr;
4638 	u32 val;
4639 
4640 	if (!(goya->hw_cap_initialized & HW_CAP_MMU))
4641 		return;
4642 
4643 	val = RREG32(mmMMU_PAGE_ERROR_CAPTURE);
4644 	if (val & MMU_PAGE_ERROR_CAPTURE_ENTRY_VALID_MASK) {
4645 		addr = val & MMU_PAGE_ERROR_CAPTURE_VA_49_32_MASK;
4646 		addr <<= 32;
4647 		addr |= RREG32(mmMMU_PAGE_ERROR_CAPTURE_VA);
4648 
4649 		dev_err_ratelimited(hdev->dev, "MMU page fault on va 0x%llx\n",
4650 					addr);
4651 
4652 		WREG32(mmMMU_PAGE_ERROR_CAPTURE, 0);
4653 	}
4654 }
4655 
goya_print_out_of_sync_info(struct hl_device * hdev,struct cpucp_pkt_sync_err * sync_err)4656 static void goya_print_out_of_sync_info(struct hl_device *hdev,
4657 					struct cpucp_pkt_sync_err *sync_err)
4658 {
4659 	struct hl_hw_queue *q = &hdev->kernel_queues[GOYA_QUEUE_ID_CPU_PQ];
4660 
4661 	dev_err(hdev->dev, "Out of sync with FW, FW: pi=%u, ci=%u, LKD: pi=%u, ci=%u\n",
4662 			sync_err->pi, sync_err->ci, q->pi, atomic_read(&q->ci));
4663 }
4664 
goya_print_irq_info(struct hl_device * hdev,u16 event_type,bool razwi)4665 static void goya_print_irq_info(struct hl_device *hdev, u16 event_type,
4666 				bool razwi)
4667 {
4668 	char desc[20] = "";
4669 
4670 	goya_get_event_desc(event_type, desc, sizeof(desc));
4671 	dev_err_ratelimited(hdev->dev, "Received H/W interrupt %d [\"%s\"]\n",
4672 		event_type, desc);
4673 
4674 	if (razwi) {
4675 		goya_print_razwi_info(hdev);
4676 		goya_print_mmu_error_info(hdev);
4677 	}
4678 }
4679 
goya_unmask_irq_arr(struct hl_device * hdev,u32 * irq_arr,size_t irq_arr_size)4680 static int goya_unmask_irq_arr(struct hl_device *hdev, u32 *irq_arr,
4681 		size_t irq_arr_size)
4682 {
4683 	struct cpucp_unmask_irq_arr_packet *pkt;
4684 	size_t total_pkt_size;
4685 	u64 result;
4686 	int rc;
4687 	int irq_num_entries, irq_arr_index;
4688 	__le32 *goya_irq_arr;
4689 
4690 	total_pkt_size = sizeof(struct cpucp_unmask_irq_arr_packet) +
4691 			irq_arr_size;
4692 
4693 	/* data should be aligned to 8 bytes in order to CPU-CP to copy it */
4694 	total_pkt_size = (total_pkt_size + 0x7) & ~0x7;
4695 
4696 	/* total_pkt_size is casted to u16 later on */
4697 	if (total_pkt_size > USHRT_MAX) {
4698 		dev_err(hdev->dev, "too many elements in IRQ array\n");
4699 		return -EINVAL;
4700 	}
4701 
4702 	pkt = kzalloc(total_pkt_size, GFP_KERNEL);
4703 	if (!pkt)
4704 		return -ENOMEM;
4705 
4706 	irq_num_entries = irq_arr_size / sizeof(irq_arr[0]);
4707 	pkt->length = cpu_to_le32(irq_num_entries);
4708 
4709 	/* We must perform any necessary endianness conversation on the irq
4710 	 * array being passed to the goya hardware
4711 	 */
4712 	for (irq_arr_index = 0, goya_irq_arr = (__le32 *) &pkt->irqs;
4713 			irq_arr_index < irq_num_entries ; irq_arr_index++)
4714 		goya_irq_arr[irq_arr_index] =
4715 				cpu_to_le32(irq_arr[irq_arr_index]);
4716 
4717 	pkt->cpucp_pkt.ctl = cpu_to_le32(CPUCP_PACKET_UNMASK_RAZWI_IRQ_ARRAY <<
4718 						CPUCP_PKT_CTL_OPCODE_SHIFT);
4719 
4720 	rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) pkt,
4721 						total_pkt_size,	0, &result);
4722 
4723 	if (rc)
4724 		dev_err(hdev->dev, "failed to unmask IRQ array\n");
4725 
4726 	kfree(pkt);
4727 
4728 	return rc;
4729 }
4730 
goya_soft_reset_late_init(struct hl_device * hdev)4731 static int goya_soft_reset_late_init(struct hl_device *hdev)
4732 {
4733 	/*
4734 	 * Unmask all IRQs since some could have been received
4735 	 * during the soft reset
4736 	 */
4737 	return goya_unmask_irq_arr(hdev, goya_all_events,
4738 					sizeof(goya_all_events));
4739 }
4740 
goya_unmask_irq(struct hl_device * hdev,u16 event_type)4741 static int goya_unmask_irq(struct hl_device *hdev, u16 event_type)
4742 {
4743 	struct cpucp_packet pkt;
4744 	u64 result;
4745 	int rc;
4746 
4747 	memset(&pkt, 0, sizeof(pkt));
4748 
4749 	pkt.ctl = cpu_to_le32(CPUCP_PACKET_UNMASK_RAZWI_IRQ <<
4750 				CPUCP_PKT_CTL_OPCODE_SHIFT);
4751 	pkt.value = cpu_to_le64(event_type);
4752 
4753 	rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
4754 						0, &result);
4755 
4756 	if (rc)
4757 		dev_err(hdev->dev, "failed to unmask RAZWI IRQ %d", event_type);
4758 
4759 	return rc;
4760 }
4761 
goya_print_clk_change_info(struct hl_device * hdev,u16 event_type)4762 static void goya_print_clk_change_info(struct hl_device *hdev, u16 event_type)
4763 {
4764 	switch (event_type) {
4765 	case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_S:
4766 		hdev->clk_throttling_reason |= HL_CLK_THROTTLE_POWER;
4767 		dev_info_ratelimited(hdev->dev,
4768 			"Clock throttling due to power consumption\n");
4769 		break;
4770 	case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_E:
4771 		hdev->clk_throttling_reason &= ~HL_CLK_THROTTLE_POWER;
4772 		dev_info_ratelimited(hdev->dev,
4773 			"Power envelop is safe, back to optimal clock\n");
4774 		break;
4775 	case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_S:
4776 		hdev->clk_throttling_reason |= HL_CLK_THROTTLE_THERMAL;
4777 		dev_info_ratelimited(hdev->dev,
4778 			"Clock throttling due to overheating\n");
4779 		break;
4780 	case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_E:
4781 		hdev->clk_throttling_reason &= ~HL_CLK_THROTTLE_THERMAL;
4782 		dev_info_ratelimited(hdev->dev,
4783 			"Thermal envelop is safe, back to optimal clock\n");
4784 		break;
4785 
4786 	default:
4787 		dev_err(hdev->dev, "Received invalid clock change event %d\n",
4788 			event_type);
4789 		break;
4790 	}
4791 }
4792 
goya_handle_eqe(struct hl_device * hdev,struct hl_eq_entry * eq_entry)4793 void goya_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry)
4794 {
4795 	u32 ctl = le32_to_cpu(eq_entry->hdr.ctl);
4796 	u16 event_type = ((ctl & EQ_CTL_EVENT_TYPE_MASK)
4797 				>> EQ_CTL_EVENT_TYPE_SHIFT);
4798 	struct goya_device *goya = hdev->asic_specific;
4799 
4800 	if (event_type >= GOYA_ASYNC_EVENT_ID_SIZE) {
4801 		dev_err(hdev->dev, "Event type %u exceeds maximum of %u",
4802 				event_type, GOYA_ASYNC_EVENT_ID_SIZE - 1);
4803 		return;
4804 	}
4805 
4806 	goya->events_stat[event_type]++;
4807 	goya->events_stat_aggregate[event_type]++;
4808 
4809 	switch (event_type) {
4810 	case GOYA_ASYNC_EVENT_ID_PCIE_IF:
4811 	case GOYA_ASYNC_EVENT_ID_TPC0_ECC:
4812 	case GOYA_ASYNC_EVENT_ID_TPC1_ECC:
4813 	case GOYA_ASYNC_EVENT_ID_TPC2_ECC:
4814 	case GOYA_ASYNC_EVENT_ID_TPC3_ECC:
4815 	case GOYA_ASYNC_EVENT_ID_TPC4_ECC:
4816 	case GOYA_ASYNC_EVENT_ID_TPC5_ECC:
4817 	case GOYA_ASYNC_EVENT_ID_TPC6_ECC:
4818 	case GOYA_ASYNC_EVENT_ID_TPC7_ECC:
4819 	case GOYA_ASYNC_EVENT_ID_MME_ECC:
4820 	case GOYA_ASYNC_EVENT_ID_MME_ECC_EXT:
4821 	case GOYA_ASYNC_EVENT_ID_MMU_ECC:
4822 	case GOYA_ASYNC_EVENT_ID_DMA_MACRO:
4823 	case GOYA_ASYNC_EVENT_ID_DMA_ECC:
4824 	case GOYA_ASYNC_EVENT_ID_CPU_IF_ECC:
4825 	case GOYA_ASYNC_EVENT_ID_PSOC_MEM:
4826 	case GOYA_ASYNC_EVENT_ID_PSOC_CORESIGHT:
4827 	case GOYA_ASYNC_EVENT_ID_SRAM0 ... GOYA_ASYNC_EVENT_ID_SRAM29:
4828 	case GOYA_ASYNC_EVENT_ID_GIC500:
4829 	case GOYA_ASYNC_EVENT_ID_PLL0 ... GOYA_ASYNC_EVENT_ID_PLL6:
4830 	case GOYA_ASYNC_EVENT_ID_AXI_ECC:
4831 	case GOYA_ASYNC_EVENT_ID_L2_RAM_ECC:
4832 	case GOYA_ASYNC_EVENT_ID_PSOC_GPIO_05_SW_RESET:
4833 		goya_print_irq_info(hdev, event_type, false);
4834 		if (hdev->hard_reset_on_fw_events)
4835 			hl_device_reset(hdev, HL_RESET_HARD);
4836 		break;
4837 
4838 	case GOYA_ASYNC_EVENT_ID_PCIE_DEC:
4839 	case GOYA_ASYNC_EVENT_ID_TPC0_DEC:
4840 	case GOYA_ASYNC_EVENT_ID_TPC1_DEC:
4841 	case GOYA_ASYNC_EVENT_ID_TPC2_DEC:
4842 	case GOYA_ASYNC_EVENT_ID_TPC3_DEC:
4843 	case GOYA_ASYNC_EVENT_ID_TPC4_DEC:
4844 	case GOYA_ASYNC_EVENT_ID_TPC5_DEC:
4845 	case GOYA_ASYNC_EVENT_ID_TPC6_DEC:
4846 	case GOYA_ASYNC_EVENT_ID_TPC7_DEC:
4847 	case GOYA_ASYNC_EVENT_ID_MME_WACS:
4848 	case GOYA_ASYNC_EVENT_ID_MME_WACSD:
4849 	case GOYA_ASYNC_EVENT_ID_CPU_AXI_SPLITTER:
4850 	case GOYA_ASYNC_EVENT_ID_PSOC_AXI_DEC:
4851 	case GOYA_ASYNC_EVENT_ID_PSOC:
4852 	case GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR:
4853 	case GOYA_ASYNC_EVENT_ID_TPC1_KRN_ERR:
4854 	case GOYA_ASYNC_EVENT_ID_TPC2_KRN_ERR:
4855 	case GOYA_ASYNC_EVENT_ID_TPC3_KRN_ERR:
4856 	case GOYA_ASYNC_EVENT_ID_TPC4_KRN_ERR:
4857 	case GOYA_ASYNC_EVENT_ID_TPC5_KRN_ERR:
4858 	case GOYA_ASYNC_EVENT_ID_TPC6_KRN_ERR:
4859 	case GOYA_ASYNC_EVENT_ID_TPC7_KRN_ERR:
4860 	case GOYA_ASYNC_EVENT_ID_TPC0_CMDQ ... GOYA_ASYNC_EVENT_ID_TPC7_QM:
4861 	case GOYA_ASYNC_EVENT_ID_MME_QM:
4862 	case GOYA_ASYNC_EVENT_ID_MME_CMDQ:
4863 	case GOYA_ASYNC_EVENT_ID_DMA0_QM ... GOYA_ASYNC_EVENT_ID_DMA4_QM:
4864 	case GOYA_ASYNC_EVENT_ID_DMA0_CH ... GOYA_ASYNC_EVENT_ID_DMA4_CH:
4865 		goya_print_irq_info(hdev, event_type, true);
4866 		goya_unmask_irq(hdev, event_type);
4867 		break;
4868 
4869 	case GOYA_ASYNC_EVENT_ID_PSOC_GPIO_10_VRHOT_ICRIT:
4870 	case GOYA_ASYNC_EVENT_ID_TPC0_BMON_SPMU:
4871 	case GOYA_ASYNC_EVENT_ID_TPC1_BMON_SPMU:
4872 	case GOYA_ASYNC_EVENT_ID_TPC2_BMON_SPMU:
4873 	case GOYA_ASYNC_EVENT_ID_TPC3_BMON_SPMU:
4874 	case GOYA_ASYNC_EVENT_ID_TPC4_BMON_SPMU:
4875 	case GOYA_ASYNC_EVENT_ID_TPC5_BMON_SPMU:
4876 	case GOYA_ASYNC_EVENT_ID_TPC6_BMON_SPMU:
4877 	case GOYA_ASYNC_EVENT_ID_TPC7_BMON_SPMU:
4878 	case GOYA_ASYNC_EVENT_ID_DMA_BM_CH0 ... GOYA_ASYNC_EVENT_ID_DMA_BM_CH4:
4879 		goya_print_irq_info(hdev, event_type, false);
4880 		goya_unmask_irq(hdev, event_type);
4881 		break;
4882 
4883 	case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_S:
4884 	case GOYA_ASYNC_EVENT_ID_FIX_POWER_ENV_E:
4885 	case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_S:
4886 	case GOYA_ASYNC_EVENT_ID_FIX_THERMAL_ENV_E:
4887 		goya_print_clk_change_info(hdev, event_type);
4888 		goya_unmask_irq(hdev, event_type);
4889 		break;
4890 
4891 	case GOYA_ASYNC_EVENT_PKT_QUEUE_OUT_SYNC:
4892 		goya_print_irq_info(hdev, event_type, false);
4893 		goya_print_out_of_sync_info(hdev, &eq_entry->pkt_sync_err);
4894 		if (hdev->hard_reset_on_fw_events)
4895 			hl_device_reset(hdev, HL_RESET_HARD);
4896 		else
4897 			hl_fw_unmask_irq(hdev, event_type);
4898 		break;
4899 
4900 	default:
4901 		dev_err(hdev->dev, "Received invalid H/W interrupt %d\n",
4902 				event_type);
4903 		break;
4904 	}
4905 }
4906 
goya_get_events_stat(struct hl_device * hdev,bool aggregate,u32 * size)4907 void *goya_get_events_stat(struct hl_device *hdev, bool aggregate, u32 *size)
4908 {
4909 	struct goya_device *goya = hdev->asic_specific;
4910 
4911 	if (aggregate) {
4912 		*size = (u32) sizeof(goya->events_stat_aggregate);
4913 		return goya->events_stat_aggregate;
4914 	}
4915 
4916 	*size = (u32) sizeof(goya->events_stat);
4917 	return goya->events_stat;
4918 }
4919 
goya_memset_device_memory(struct hl_device * hdev,u64 addr,u64 size,u64 val,bool is_dram)4920 static int goya_memset_device_memory(struct hl_device *hdev, u64 addr, u64 size,
4921 				u64 val, bool is_dram)
4922 {
4923 	struct packet_lin_dma *lin_dma_pkt;
4924 	struct hl_cs_job *job;
4925 	u32 cb_size, ctl;
4926 	struct hl_cb *cb;
4927 	int rc, lin_dma_pkts_cnt;
4928 
4929 	lin_dma_pkts_cnt = DIV_ROUND_UP_ULL(size, SZ_2G);
4930 	cb_size = lin_dma_pkts_cnt * sizeof(struct packet_lin_dma) +
4931 						sizeof(struct packet_msg_prot);
4932 	cb = hl_cb_kernel_create(hdev, cb_size, false);
4933 	if (!cb)
4934 		return -ENOMEM;
4935 
4936 	lin_dma_pkt = cb->kernel_address;
4937 
4938 	do {
4939 		memset(lin_dma_pkt, 0, sizeof(*lin_dma_pkt));
4940 
4941 		ctl = ((PACKET_LIN_DMA << GOYA_PKT_CTL_OPCODE_SHIFT) |
4942 				(1 << GOYA_PKT_LIN_DMA_CTL_MEMSET_SHIFT) |
4943 				(1 << GOYA_PKT_LIN_DMA_CTL_WO_SHIFT) |
4944 				(1 << GOYA_PKT_CTL_RB_SHIFT) |
4945 				(1 << GOYA_PKT_CTL_MB_SHIFT));
4946 		ctl |= (is_dram ? DMA_HOST_TO_DRAM : DMA_HOST_TO_SRAM) <<
4947 				GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT;
4948 		lin_dma_pkt->ctl = cpu_to_le32(ctl);
4949 
4950 		lin_dma_pkt->src_addr = cpu_to_le64(val);
4951 		lin_dma_pkt->dst_addr = cpu_to_le64(addr);
4952 		if (lin_dma_pkts_cnt > 1)
4953 			lin_dma_pkt->tsize = cpu_to_le32(SZ_2G);
4954 		else
4955 			lin_dma_pkt->tsize = cpu_to_le32(size);
4956 
4957 		size -= SZ_2G;
4958 		addr += SZ_2G;
4959 		lin_dma_pkt++;
4960 	} while (--lin_dma_pkts_cnt);
4961 
4962 	job = hl_cs_allocate_job(hdev, QUEUE_TYPE_EXT, true);
4963 	if (!job) {
4964 		dev_err(hdev->dev, "Failed to allocate a new job\n");
4965 		rc = -ENOMEM;
4966 		goto release_cb;
4967 	}
4968 
4969 	job->id = 0;
4970 	job->user_cb = cb;
4971 	atomic_inc(&job->user_cb->cs_cnt);
4972 	job->user_cb_size = cb_size;
4973 	job->hw_queue_id = GOYA_QUEUE_ID_DMA_0;
4974 	job->patched_cb = job->user_cb;
4975 	job->job_cb_size = job->user_cb_size;
4976 
4977 	hl_debugfs_add_job(hdev, job);
4978 
4979 	rc = goya_send_job_on_qman0(hdev, job);
4980 
4981 	hl_debugfs_remove_job(hdev, job);
4982 	kfree(job);
4983 	atomic_dec(&cb->cs_cnt);
4984 
4985 release_cb:
4986 	hl_cb_put(cb);
4987 	hl_cb_destroy(hdev, &hdev->kernel_cb_mgr, cb->id << PAGE_SHIFT);
4988 
4989 	return rc;
4990 }
4991 
goya_context_switch(struct hl_device * hdev,u32 asid)4992 int goya_context_switch(struct hl_device *hdev, u32 asid)
4993 {
4994 	struct asic_fixed_properties *prop = &hdev->asic_prop;
4995 	u64 addr = prop->sram_base_address, sob_addr;
4996 	u32 size = hdev->pldm ? 0x10000 : prop->sram_size;
4997 	u64 val = 0x7777777777777777ull;
4998 	int rc, dma_id;
4999 	u32 channel_off = mmDMA_CH_1_WR_COMP_ADDR_LO -
5000 					mmDMA_CH_0_WR_COMP_ADDR_LO;
5001 
5002 	rc = goya_memset_device_memory(hdev, addr, size, val, false);
5003 	if (rc) {
5004 		dev_err(hdev->dev, "Failed to clear SRAM in context switch\n");
5005 		return rc;
5006 	}
5007 
5008 	/* we need to reset registers that the user is allowed to change */
5009 	sob_addr = CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1007;
5010 	WREG32(mmDMA_CH_0_WR_COMP_ADDR_LO, lower_32_bits(sob_addr));
5011 
5012 	for (dma_id = 1 ; dma_id < NUMBER_OF_EXT_HW_QUEUES ; dma_id++) {
5013 		sob_addr = CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1000 +
5014 							(dma_id - 1) * 4;
5015 		WREG32(mmDMA_CH_0_WR_COMP_ADDR_LO + channel_off * dma_id,
5016 						lower_32_bits(sob_addr));
5017 	}
5018 
5019 	WREG32(mmTPC_PLL_CLK_RLX_0, 0x200020);
5020 
5021 	goya_clear_sm_regs(hdev);
5022 
5023 	return 0;
5024 }
5025 
goya_mmu_clear_pgt_range(struct hl_device * hdev)5026 static int goya_mmu_clear_pgt_range(struct hl_device *hdev)
5027 {
5028 	struct asic_fixed_properties *prop = &hdev->asic_prop;
5029 	struct goya_device *goya = hdev->asic_specific;
5030 	u64 addr = prop->mmu_pgt_addr;
5031 	u32 size = prop->mmu_pgt_size + MMU_DRAM_DEFAULT_PAGE_SIZE +
5032 			MMU_CACHE_MNG_SIZE;
5033 
5034 	if (!(goya->hw_cap_initialized & HW_CAP_MMU))
5035 		return 0;
5036 
5037 	return goya_memset_device_memory(hdev, addr, size, 0, true);
5038 }
5039 
goya_mmu_set_dram_default_page(struct hl_device * hdev)5040 static int goya_mmu_set_dram_default_page(struct hl_device *hdev)
5041 {
5042 	struct goya_device *goya = hdev->asic_specific;
5043 	u64 addr = hdev->asic_prop.mmu_dram_default_page_addr;
5044 	u32 size = MMU_DRAM_DEFAULT_PAGE_SIZE;
5045 	u64 val = 0x9999999999999999ull;
5046 
5047 	if (!(goya->hw_cap_initialized & HW_CAP_MMU))
5048 		return 0;
5049 
5050 	return goya_memset_device_memory(hdev, addr, size, val, true);
5051 }
5052 
goya_mmu_add_mappings_for_device_cpu(struct hl_device * hdev)5053 static int goya_mmu_add_mappings_for_device_cpu(struct hl_device *hdev)
5054 {
5055 	struct asic_fixed_properties *prop = &hdev->asic_prop;
5056 	struct goya_device *goya = hdev->asic_specific;
5057 	s64 off, cpu_off;
5058 	int rc;
5059 
5060 	if (!(goya->hw_cap_initialized & HW_CAP_MMU))
5061 		return 0;
5062 
5063 	for (off = 0 ; off < CPU_FW_IMAGE_SIZE ; off += PAGE_SIZE_2MB) {
5064 		rc = hl_mmu_map_page(hdev->kernel_ctx,
5065 			prop->dram_base_address + off,
5066 			prop->dram_base_address + off, PAGE_SIZE_2MB,
5067 			(off + PAGE_SIZE_2MB) == CPU_FW_IMAGE_SIZE);
5068 		if (rc) {
5069 			dev_err(hdev->dev, "Map failed for address 0x%llx\n",
5070 				prop->dram_base_address + off);
5071 			goto unmap;
5072 		}
5073 	}
5074 
5075 	if (!(hdev->cpu_accessible_dma_address & (PAGE_SIZE_2MB - 1))) {
5076 		rc = hl_mmu_map_page(hdev->kernel_ctx,
5077 			VA_CPU_ACCESSIBLE_MEM_ADDR,
5078 			hdev->cpu_accessible_dma_address,
5079 			PAGE_SIZE_2MB, true);
5080 
5081 		if (rc) {
5082 			dev_err(hdev->dev,
5083 				"Map failed for CPU accessible memory\n");
5084 			off -= PAGE_SIZE_2MB;
5085 			goto unmap;
5086 		}
5087 	} else {
5088 		for (cpu_off = 0 ; cpu_off < SZ_2M ; cpu_off += PAGE_SIZE_4KB) {
5089 			rc = hl_mmu_map_page(hdev->kernel_ctx,
5090 				VA_CPU_ACCESSIBLE_MEM_ADDR + cpu_off,
5091 				hdev->cpu_accessible_dma_address + cpu_off,
5092 				PAGE_SIZE_4KB, true);
5093 			if (rc) {
5094 				dev_err(hdev->dev,
5095 					"Map failed for CPU accessible memory\n");
5096 				cpu_off -= PAGE_SIZE_4KB;
5097 				goto unmap_cpu;
5098 			}
5099 		}
5100 	}
5101 
5102 	goya_mmu_prepare_reg(hdev, mmCPU_IF_ARUSER_OVR, HL_KERNEL_ASID_ID);
5103 	goya_mmu_prepare_reg(hdev, mmCPU_IF_AWUSER_OVR, HL_KERNEL_ASID_ID);
5104 	WREG32(mmCPU_IF_ARUSER_OVR_EN, 0x7FF);
5105 	WREG32(mmCPU_IF_AWUSER_OVR_EN, 0x7FF);
5106 
5107 	/* Make sure configuration is flushed to device */
5108 	RREG32(mmCPU_IF_AWUSER_OVR_EN);
5109 
5110 	goya->device_cpu_mmu_mappings_done = true;
5111 
5112 	return 0;
5113 
5114 unmap_cpu:
5115 	for (; cpu_off >= 0 ; cpu_off -= PAGE_SIZE_4KB)
5116 		if (hl_mmu_unmap_page(hdev->kernel_ctx,
5117 				VA_CPU_ACCESSIBLE_MEM_ADDR + cpu_off,
5118 				PAGE_SIZE_4KB, true))
5119 			dev_warn_ratelimited(hdev->dev,
5120 				"failed to unmap address 0x%llx\n",
5121 				VA_CPU_ACCESSIBLE_MEM_ADDR + cpu_off);
5122 unmap:
5123 	for (; off >= 0 ; off -= PAGE_SIZE_2MB)
5124 		if (hl_mmu_unmap_page(hdev->kernel_ctx,
5125 				prop->dram_base_address + off, PAGE_SIZE_2MB,
5126 				true))
5127 			dev_warn_ratelimited(hdev->dev,
5128 				"failed to unmap address 0x%llx\n",
5129 				prop->dram_base_address + off);
5130 
5131 	return rc;
5132 }
5133 
goya_mmu_remove_device_cpu_mappings(struct hl_device * hdev)5134 void goya_mmu_remove_device_cpu_mappings(struct hl_device *hdev)
5135 {
5136 	struct asic_fixed_properties *prop = &hdev->asic_prop;
5137 	struct goya_device *goya = hdev->asic_specific;
5138 	u32 off, cpu_off;
5139 
5140 	if (!(goya->hw_cap_initialized & HW_CAP_MMU))
5141 		return;
5142 
5143 	if (!goya->device_cpu_mmu_mappings_done)
5144 		return;
5145 
5146 	WREG32(mmCPU_IF_ARUSER_OVR_EN, 0);
5147 	WREG32(mmCPU_IF_AWUSER_OVR_EN, 0);
5148 
5149 	if (!(hdev->cpu_accessible_dma_address & (PAGE_SIZE_2MB - 1))) {
5150 		if (hl_mmu_unmap_page(hdev->kernel_ctx,
5151 				VA_CPU_ACCESSIBLE_MEM_ADDR,
5152 				PAGE_SIZE_2MB, true))
5153 			dev_warn(hdev->dev,
5154 				"Failed to unmap CPU accessible memory\n");
5155 	} else {
5156 		for (cpu_off = 0 ; cpu_off < SZ_2M ; cpu_off += PAGE_SIZE_4KB)
5157 			if (hl_mmu_unmap_page(hdev->kernel_ctx,
5158 					VA_CPU_ACCESSIBLE_MEM_ADDR + cpu_off,
5159 					PAGE_SIZE_4KB,
5160 					(cpu_off + PAGE_SIZE_4KB) >= SZ_2M))
5161 				dev_warn_ratelimited(hdev->dev,
5162 					"failed to unmap address 0x%llx\n",
5163 					VA_CPU_ACCESSIBLE_MEM_ADDR + cpu_off);
5164 	}
5165 
5166 	for (off = 0 ; off < CPU_FW_IMAGE_SIZE ; off += PAGE_SIZE_2MB)
5167 		if (hl_mmu_unmap_page(hdev->kernel_ctx,
5168 				prop->dram_base_address + off, PAGE_SIZE_2MB,
5169 				(off + PAGE_SIZE_2MB) >= CPU_FW_IMAGE_SIZE))
5170 			dev_warn_ratelimited(hdev->dev,
5171 					"Failed to unmap address 0x%llx\n",
5172 					prop->dram_base_address + off);
5173 
5174 	goya->device_cpu_mmu_mappings_done = false;
5175 }
5176 
goya_mmu_prepare(struct hl_device * hdev,u32 asid)5177 static void goya_mmu_prepare(struct hl_device *hdev, u32 asid)
5178 {
5179 	struct goya_device *goya = hdev->asic_specific;
5180 	int i;
5181 
5182 	if (!(goya->hw_cap_initialized & HW_CAP_MMU))
5183 		return;
5184 
5185 	if (asid & ~MME_QM_GLBL_SECURE_PROPS_ASID_MASK) {
5186 		dev_crit(hdev->dev, "asid %u is too big\n", asid);
5187 		return;
5188 	}
5189 
5190 	/* zero the MMBP and ASID bits and then set the ASID */
5191 	for (i = 0 ; i < GOYA_MMU_REGS_NUM ; i++)
5192 		goya_mmu_prepare_reg(hdev, goya_mmu_regs[i], asid);
5193 }
5194 
goya_mmu_invalidate_cache(struct hl_device * hdev,bool is_hard,u32 flags)5195 static int goya_mmu_invalidate_cache(struct hl_device *hdev, bool is_hard,
5196 					u32 flags)
5197 {
5198 	struct goya_device *goya = hdev->asic_specific;
5199 	u32 status, timeout_usec;
5200 	int rc;
5201 
5202 	if (!(goya->hw_cap_initialized & HW_CAP_MMU) ||
5203 		hdev->hard_reset_pending)
5204 		return 0;
5205 
5206 	/* no need in L1 only invalidation in Goya */
5207 	if (!is_hard)
5208 		return 0;
5209 
5210 	if (hdev->pldm)
5211 		timeout_usec = GOYA_PLDM_MMU_TIMEOUT_USEC;
5212 	else
5213 		timeout_usec = MMU_CONFIG_TIMEOUT_USEC;
5214 
5215 	/* L0 & L1 invalidation */
5216 	WREG32(mmSTLB_INV_ALL_START, 1);
5217 
5218 	rc = hl_poll_timeout(
5219 		hdev,
5220 		mmSTLB_INV_ALL_START,
5221 		status,
5222 		!status,
5223 		1000,
5224 		timeout_usec);
5225 
5226 	if (rc) {
5227 		dev_err_ratelimited(hdev->dev,
5228 					"MMU cache invalidation timeout\n");
5229 		hl_device_reset(hdev, HL_RESET_HARD);
5230 	}
5231 
5232 	return rc;
5233 }
5234 
goya_mmu_invalidate_cache_range(struct hl_device * hdev,bool is_hard,u32 flags,u32 asid,u64 va,u64 size)5235 static int goya_mmu_invalidate_cache_range(struct hl_device *hdev,
5236 						bool is_hard, u32 flags,
5237 						u32 asid, u64 va, u64 size)
5238 {
5239 	/* Treat as invalidate all because there is no range invalidation
5240 	 * in Goya
5241 	 */
5242 	return hdev->asic_funcs->mmu_invalidate_cache(hdev, is_hard, flags);
5243 }
5244 
goya_send_heartbeat(struct hl_device * hdev)5245 int goya_send_heartbeat(struct hl_device *hdev)
5246 {
5247 	struct goya_device *goya = hdev->asic_specific;
5248 
5249 	if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q))
5250 		return 0;
5251 
5252 	return hl_fw_send_heartbeat(hdev);
5253 }
5254 
goya_cpucp_info_get(struct hl_device * hdev)5255 int goya_cpucp_info_get(struct hl_device *hdev)
5256 {
5257 	struct goya_device *goya = hdev->asic_specific;
5258 	struct asic_fixed_properties *prop = &hdev->asic_prop;
5259 	u64 dram_size;
5260 	int rc;
5261 
5262 	if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q))
5263 		return 0;
5264 
5265 	rc = hl_fw_cpucp_handshake(hdev, mmCPU_BOOT_DEV_STS0,
5266 					mmCPU_BOOT_DEV_STS1, mmCPU_BOOT_ERR0,
5267 					mmCPU_BOOT_ERR1);
5268 	if (rc)
5269 		return rc;
5270 
5271 	dram_size = le64_to_cpu(prop->cpucp_info.dram_size);
5272 	if (dram_size) {
5273 		if ((!is_power_of_2(dram_size)) ||
5274 				(dram_size < DRAM_PHYS_DEFAULT_SIZE)) {
5275 			dev_err(hdev->dev,
5276 				"F/W reported invalid DRAM size %llu. Trying to use default size\n",
5277 				dram_size);
5278 			dram_size = DRAM_PHYS_DEFAULT_SIZE;
5279 		}
5280 
5281 		prop->dram_size = dram_size;
5282 		prop->dram_end_address = prop->dram_base_address + dram_size;
5283 	}
5284 
5285 	if (!strlen(prop->cpucp_info.card_name))
5286 		strncpy(prop->cpucp_info.card_name, GOYA_DEFAULT_CARD_NAME,
5287 				CARD_NAME_MAX_LEN);
5288 
5289 	return 0;
5290 }
5291 
goya_set_clock_gating(struct hl_device * hdev)5292 static void goya_set_clock_gating(struct hl_device *hdev)
5293 {
5294 	/* clock gating not supported in Goya */
5295 }
5296 
goya_disable_clock_gating(struct hl_device * hdev)5297 static void goya_disable_clock_gating(struct hl_device *hdev)
5298 {
5299 	/* clock gating not supported in Goya */
5300 }
5301 
goya_is_device_idle(struct hl_device * hdev,u64 * mask_arr,u8 mask_len,struct seq_file * s)5302 static bool goya_is_device_idle(struct hl_device *hdev, u64 *mask_arr,
5303 					u8 mask_len, struct seq_file *s)
5304 {
5305 	const char *fmt = "%-5d%-9s%#-14x%#-16x%#x\n";
5306 	const char *dma_fmt = "%-5d%-9s%#-14x%#x\n";
5307 	unsigned long *mask = (unsigned long *)mask_arr;
5308 	u32 qm_glbl_sts0, cmdq_glbl_sts0, dma_core_sts0, tpc_cfg_sts,
5309 		mme_arch_sts;
5310 	bool is_idle = true, is_eng_idle;
5311 	u64 offset;
5312 	int i;
5313 
5314 	if (s)
5315 		seq_puts(s, "\nDMA  is_idle  QM_GLBL_STS0  DMA_CORE_STS0\n"
5316 				"---  -------  ------------  -------------\n");
5317 
5318 	offset = mmDMA_QM_1_GLBL_STS0 - mmDMA_QM_0_GLBL_STS0;
5319 
5320 	for (i = 0 ; i < DMA_MAX_NUM ; i++) {
5321 		qm_glbl_sts0 = RREG32(mmDMA_QM_0_GLBL_STS0 + i * offset);
5322 		dma_core_sts0 = RREG32(mmDMA_CH_0_STS0 + i * offset);
5323 		is_eng_idle = IS_DMA_QM_IDLE(qm_glbl_sts0) &&
5324 				IS_DMA_IDLE(dma_core_sts0);
5325 		is_idle &= is_eng_idle;
5326 
5327 		if (mask && !is_eng_idle)
5328 			set_bit(GOYA_ENGINE_ID_DMA_0 + i, mask);
5329 		if (s)
5330 			seq_printf(s, dma_fmt, i, is_eng_idle ? "Y" : "N",
5331 					qm_glbl_sts0, dma_core_sts0);
5332 	}
5333 
5334 	if (s)
5335 		seq_puts(s,
5336 			"\nTPC  is_idle  QM_GLBL_STS0  CMDQ_GLBL_STS0  CFG_STATUS\n"
5337 			"---  -------  ------------  --------------  ----------\n");
5338 
5339 	offset = mmTPC1_QM_GLBL_STS0 - mmTPC0_QM_GLBL_STS0;
5340 
5341 	for (i = 0 ; i < TPC_MAX_NUM ; i++) {
5342 		qm_glbl_sts0 = RREG32(mmTPC0_QM_GLBL_STS0 + i * offset);
5343 		cmdq_glbl_sts0 = RREG32(mmTPC0_CMDQ_GLBL_STS0 + i * offset);
5344 		tpc_cfg_sts = RREG32(mmTPC0_CFG_STATUS + i * offset);
5345 		is_eng_idle = IS_TPC_QM_IDLE(qm_glbl_sts0) &&
5346 				IS_TPC_CMDQ_IDLE(cmdq_glbl_sts0) &&
5347 				IS_TPC_IDLE(tpc_cfg_sts);
5348 		is_idle &= is_eng_idle;
5349 
5350 		if (mask && !is_eng_idle)
5351 			set_bit(GOYA_ENGINE_ID_TPC_0 + i, mask);
5352 		if (s)
5353 			seq_printf(s, fmt, i, is_eng_idle ? "Y" : "N",
5354 				qm_glbl_sts0, cmdq_glbl_sts0, tpc_cfg_sts);
5355 	}
5356 
5357 	if (s)
5358 		seq_puts(s,
5359 			"\nMME  is_idle  QM_GLBL_STS0  CMDQ_GLBL_STS0  ARCH_STATUS\n"
5360 			"---  -------  ------------  --------------  -----------\n");
5361 
5362 	qm_glbl_sts0 = RREG32(mmMME_QM_GLBL_STS0);
5363 	cmdq_glbl_sts0 = RREG32(mmMME_CMDQ_GLBL_STS0);
5364 	mme_arch_sts = RREG32(mmMME_ARCH_STATUS);
5365 	is_eng_idle = IS_MME_QM_IDLE(qm_glbl_sts0) &&
5366 			IS_MME_CMDQ_IDLE(cmdq_glbl_sts0) &&
5367 			IS_MME_IDLE(mme_arch_sts);
5368 	is_idle &= is_eng_idle;
5369 
5370 	if (mask && !is_eng_idle)
5371 		set_bit(GOYA_ENGINE_ID_MME_0, mask);
5372 	if (s) {
5373 		seq_printf(s, fmt, 0, is_eng_idle ? "Y" : "N", qm_glbl_sts0,
5374 				cmdq_glbl_sts0, mme_arch_sts);
5375 		seq_puts(s, "\n");
5376 	}
5377 
5378 	return is_idle;
5379 }
5380 
goya_hw_queues_lock(struct hl_device * hdev)5381 static void goya_hw_queues_lock(struct hl_device *hdev)
5382 	__acquires(&goya->hw_queues_lock)
5383 {
5384 	struct goya_device *goya = hdev->asic_specific;
5385 
5386 	spin_lock(&goya->hw_queues_lock);
5387 }
5388 
goya_hw_queues_unlock(struct hl_device * hdev)5389 static void goya_hw_queues_unlock(struct hl_device *hdev)
5390 	__releases(&goya->hw_queues_lock)
5391 {
5392 	struct goya_device *goya = hdev->asic_specific;
5393 
5394 	spin_unlock(&goya->hw_queues_lock);
5395 }
5396 
goya_get_pci_id(struct hl_device * hdev)5397 static u32 goya_get_pci_id(struct hl_device *hdev)
5398 {
5399 	return hdev->pdev->device;
5400 }
5401 
goya_get_eeprom_data(struct hl_device * hdev,void * data,size_t max_size)5402 static int goya_get_eeprom_data(struct hl_device *hdev, void *data,
5403 				size_t max_size)
5404 {
5405 	struct goya_device *goya = hdev->asic_specific;
5406 
5407 	if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q))
5408 		return 0;
5409 
5410 	return hl_fw_get_eeprom_data(hdev, data, max_size);
5411 }
5412 
goya_cpu_init_scrambler_dram(struct hl_device * hdev)5413 static void goya_cpu_init_scrambler_dram(struct hl_device *hdev)
5414 {
5415 
5416 }
5417 
goya_ctx_init(struct hl_ctx * ctx)5418 static int goya_ctx_init(struct hl_ctx *ctx)
5419 {
5420 	if (ctx->asid != HL_KERNEL_ASID_ID)
5421 		goya_mmu_prepare(ctx->hdev, ctx->asid);
5422 
5423 	return 0;
5424 }
5425 
goya_get_queue_id_for_cq(struct hl_device * hdev,u32 cq_idx)5426 u32 goya_get_queue_id_for_cq(struct hl_device *hdev, u32 cq_idx)
5427 {
5428 	return cq_idx;
5429 }
5430 
goya_get_signal_cb_size(struct hl_device * hdev)5431 static u32 goya_get_signal_cb_size(struct hl_device *hdev)
5432 {
5433 	return 0;
5434 }
5435 
goya_get_wait_cb_size(struct hl_device * hdev)5436 static u32 goya_get_wait_cb_size(struct hl_device *hdev)
5437 {
5438 	return 0;
5439 }
5440 
goya_gen_signal_cb(struct hl_device * hdev,void * data,u16 sob_id,u32 size,bool eb)5441 static u32 goya_gen_signal_cb(struct hl_device *hdev, void *data, u16 sob_id,
5442 				u32 size, bool eb)
5443 {
5444 	return 0;
5445 }
5446 
goya_gen_wait_cb(struct hl_device * hdev,struct hl_gen_wait_properties * prop)5447 static u32 goya_gen_wait_cb(struct hl_device *hdev,
5448 		struct hl_gen_wait_properties *prop)
5449 {
5450 	return 0;
5451 }
5452 
goya_reset_sob(struct hl_device * hdev,void * data)5453 static void goya_reset_sob(struct hl_device *hdev, void *data)
5454 {
5455 
5456 }
5457 
goya_reset_sob_group(struct hl_device * hdev,u16 sob_group)5458 static void goya_reset_sob_group(struct hl_device *hdev, u16 sob_group)
5459 {
5460 
5461 }
5462 
goya_set_dma_mask_from_fw(struct hl_device * hdev)5463 static void goya_set_dma_mask_from_fw(struct hl_device *hdev)
5464 {
5465 	if (RREG32(mmPSOC_GLOBAL_CONF_NON_RST_FLOPS_0) ==
5466 							HL_POWER9_HOST_MAGIC) {
5467 		dev_dbg(hdev->dev, "Working in 64-bit DMA mode\n");
5468 		hdev->power9_64bit_dma_enable = 1;
5469 		hdev->dma_mask = 64;
5470 	} else {
5471 		dev_dbg(hdev->dev, "Working in 48-bit DMA mode\n");
5472 		hdev->power9_64bit_dma_enable = 0;
5473 		hdev->dma_mask = 48;
5474 	}
5475 }
5476 
goya_get_device_time(struct hl_device * hdev)5477 u64 goya_get_device_time(struct hl_device *hdev)
5478 {
5479 	u64 device_time = ((u64) RREG32(mmPSOC_TIMESTAMP_CNTCVU)) << 32;
5480 
5481 	return device_time | RREG32(mmPSOC_TIMESTAMP_CNTCVL);
5482 }
5483 
goya_collective_wait_init_cs(struct hl_cs * cs)5484 static int goya_collective_wait_init_cs(struct hl_cs *cs)
5485 {
5486 	return 0;
5487 }
5488 
goya_collective_wait_create_jobs(struct hl_device * hdev,struct hl_ctx * ctx,struct hl_cs * cs,u32 wait_queue_id,u32 collective_engine_id,u32 encaps_signal_offset)5489 static int goya_collective_wait_create_jobs(struct hl_device *hdev,
5490 		struct hl_ctx *ctx, struct hl_cs *cs, u32 wait_queue_id,
5491 		u32 collective_engine_id, u32 encaps_signal_offset)
5492 {
5493 	return -EINVAL;
5494 }
5495 
goya_ctx_fini(struct hl_ctx * ctx)5496 static void goya_ctx_fini(struct hl_ctx *ctx)
5497 {
5498 
5499 }
5500 
goya_get_hw_block_id(struct hl_device * hdev,u64 block_addr,u32 * block_size,u32 * block_id)5501 static int goya_get_hw_block_id(struct hl_device *hdev, u64 block_addr,
5502 			u32 *block_size, u32 *block_id)
5503 {
5504 	return -EPERM;
5505 }
5506 
goya_block_mmap(struct hl_device * hdev,struct vm_area_struct * vma,u32 block_id,u32 block_size)5507 static int goya_block_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
5508 				u32 block_id, u32 block_size)
5509 {
5510 	return -EPERM;
5511 }
5512 
goya_enable_events_from_fw(struct hl_device * hdev)5513 static void goya_enable_events_from_fw(struct hl_device *hdev)
5514 {
5515 	WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR,
5516 			GOYA_ASYNC_EVENT_ID_INTS_REGISTER);
5517 }
5518 
goya_map_pll_idx_to_fw_idx(u32 pll_idx)5519 static int goya_map_pll_idx_to_fw_idx(u32 pll_idx)
5520 {
5521 	switch (pll_idx) {
5522 	case HL_GOYA_CPU_PLL: return CPU_PLL;
5523 	case HL_GOYA_PCI_PLL: return PCI_PLL;
5524 	case HL_GOYA_MME_PLL: return MME_PLL;
5525 	case HL_GOYA_TPC_PLL: return TPC_PLL;
5526 	case HL_GOYA_IC_PLL: return IC_PLL;
5527 	case HL_GOYA_MC_PLL: return MC_PLL;
5528 	case HL_GOYA_EMMC_PLL: return EMMC_PLL;
5529 	default: return -EINVAL;
5530 	}
5531 }
5532 
goya_gen_sync_to_engine_map(struct hl_device * hdev,struct hl_sync_to_engine_map * map)5533 static int goya_gen_sync_to_engine_map(struct hl_device *hdev,
5534 				struct hl_sync_to_engine_map *map)
5535 {
5536 	/* Not implemented */
5537 	return 0;
5538 }
5539 
goya_monitor_valid(struct hl_mon_state_dump * mon)5540 static int goya_monitor_valid(struct hl_mon_state_dump *mon)
5541 {
5542 	/* Not implemented */
5543 	return 0;
5544 }
5545 
goya_print_single_monitor(char ** buf,size_t * size,size_t * offset,struct hl_device * hdev,struct hl_mon_state_dump * mon)5546 static int goya_print_single_monitor(char **buf, size_t *size, size_t *offset,
5547 				struct hl_device *hdev,
5548 				struct hl_mon_state_dump *mon)
5549 {
5550 	/* Not implemented */
5551 	return 0;
5552 }
5553 
5554 
goya_print_fences_single_engine(struct hl_device * hdev,u64 base_offset,u64 status_base_offset,enum hl_sync_engine_type engine_type,u32 engine_id,char ** buf,size_t * size,size_t * offset)5555 static int goya_print_fences_single_engine(
5556 	struct hl_device *hdev, u64 base_offset, u64 status_base_offset,
5557 	enum hl_sync_engine_type engine_type, u32 engine_id, char **buf,
5558 	size_t *size, size_t *offset)
5559 {
5560 	/* Not implemented */
5561 	return 0;
5562 }
5563 
5564 
5565 static struct hl_state_dump_specs_funcs goya_state_dump_funcs = {
5566 	.monitor_valid = goya_monitor_valid,
5567 	.print_single_monitor = goya_print_single_monitor,
5568 	.gen_sync_to_engine_map = goya_gen_sync_to_engine_map,
5569 	.print_fences_single_engine = goya_print_fences_single_engine,
5570 };
5571 
goya_state_dump_init(struct hl_device * hdev)5572 static void goya_state_dump_init(struct hl_device *hdev)
5573 {
5574 	/* Not implemented */
5575 	hdev->state_dump_specs.props = goya_state_dump_specs_props;
5576 	hdev->state_dump_specs.funcs = goya_state_dump_funcs;
5577 }
5578 
goya_get_sob_addr(struct hl_device * hdev,u32 sob_id)5579 static u32 goya_get_sob_addr(struct hl_device *hdev, u32 sob_id)
5580 {
5581 	return 0;
5582 }
5583 
goya_get_stream_master_qid_arr(void)5584 static u32 *goya_get_stream_master_qid_arr(void)
5585 {
5586 	return NULL;
5587 }
5588 
5589 static const struct hl_asic_funcs goya_funcs = {
5590 	.early_init = goya_early_init,
5591 	.early_fini = goya_early_fini,
5592 	.late_init = goya_late_init,
5593 	.late_fini = goya_late_fini,
5594 	.sw_init = goya_sw_init,
5595 	.sw_fini = goya_sw_fini,
5596 	.hw_init = goya_hw_init,
5597 	.hw_fini = goya_hw_fini,
5598 	.halt_engines = goya_halt_engines,
5599 	.suspend = goya_suspend,
5600 	.resume = goya_resume,
5601 	.mmap = goya_mmap,
5602 	.ring_doorbell = goya_ring_doorbell,
5603 	.pqe_write = goya_pqe_write,
5604 	.asic_dma_alloc_coherent = goya_dma_alloc_coherent,
5605 	.asic_dma_free_coherent = goya_dma_free_coherent,
5606 	.scrub_device_mem = goya_scrub_device_mem,
5607 	.get_int_queue_base = goya_get_int_queue_base,
5608 	.test_queues = goya_test_queues,
5609 	.asic_dma_pool_zalloc = goya_dma_pool_zalloc,
5610 	.asic_dma_pool_free = goya_dma_pool_free,
5611 	.cpu_accessible_dma_pool_alloc = goya_cpu_accessible_dma_pool_alloc,
5612 	.cpu_accessible_dma_pool_free = goya_cpu_accessible_dma_pool_free,
5613 	.hl_dma_unmap_sg = goya_dma_unmap_sg,
5614 	.cs_parser = goya_cs_parser,
5615 	.asic_dma_map_sg = goya_dma_map_sg,
5616 	.get_dma_desc_list_size = goya_get_dma_desc_list_size,
5617 	.add_end_of_cb_packets = goya_add_end_of_cb_packets,
5618 	.update_eq_ci = goya_update_eq_ci,
5619 	.context_switch = goya_context_switch,
5620 	.restore_phase_topology = goya_restore_phase_topology,
5621 	.debugfs_read32 = goya_debugfs_read32,
5622 	.debugfs_write32 = goya_debugfs_write32,
5623 	.debugfs_read64 = goya_debugfs_read64,
5624 	.debugfs_write64 = goya_debugfs_write64,
5625 	.debugfs_read_dma = goya_debugfs_read_dma,
5626 	.add_device_attr = goya_add_device_attr,
5627 	.handle_eqe = goya_handle_eqe,
5628 	.set_pll_profile = goya_set_pll_profile,
5629 	.get_events_stat = goya_get_events_stat,
5630 	.read_pte = goya_read_pte,
5631 	.write_pte = goya_write_pte,
5632 	.mmu_invalidate_cache = goya_mmu_invalidate_cache,
5633 	.mmu_invalidate_cache_range = goya_mmu_invalidate_cache_range,
5634 	.send_heartbeat = goya_send_heartbeat,
5635 	.set_clock_gating = goya_set_clock_gating,
5636 	.disable_clock_gating = goya_disable_clock_gating,
5637 	.debug_coresight = goya_debug_coresight,
5638 	.is_device_idle = goya_is_device_idle,
5639 	.soft_reset_late_init = goya_soft_reset_late_init,
5640 	.hw_queues_lock = goya_hw_queues_lock,
5641 	.hw_queues_unlock = goya_hw_queues_unlock,
5642 	.get_pci_id = goya_get_pci_id,
5643 	.get_eeprom_data = goya_get_eeprom_data,
5644 	.send_cpu_message = goya_send_cpu_message,
5645 	.pci_bars_map = goya_pci_bars_map,
5646 	.init_iatu = goya_init_iatu,
5647 	.rreg = hl_rreg,
5648 	.wreg = hl_wreg,
5649 	.halt_coresight = goya_halt_coresight,
5650 	.ctx_init = goya_ctx_init,
5651 	.ctx_fini = goya_ctx_fini,
5652 	.get_clk_rate = goya_get_clk_rate,
5653 	.get_queue_id_for_cq = goya_get_queue_id_for_cq,
5654 	.load_firmware_to_device = goya_load_firmware_to_device,
5655 	.load_boot_fit_to_device = goya_load_boot_fit_to_device,
5656 	.get_signal_cb_size = goya_get_signal_cb_size,
5657 	.get_wait_cb_size = goya_get_wait_cb_size,
5658 	.gen_signal_cb = goya_gen_signal_cb,
5659 	.gen_wait_cb = goya_gen_wait_cb,
5660 	.reset_sob = goya_reset_sob,
5661 	.reset_sob_group = goya_reset_sob_group,
5662 	.set_dma_mask_from_fw = goya_set_dma_mask_from_fw,
5663 	.get_device_time = goya_get_device_time,
5664 	.collective_wait_init_cs = goya_collective_wait_init_cs,
5665 	.collective_wait_create_jobs = goya_collective_wait_create_jobs,
5666 	.scramble_addr = hl_mmu_scramble_addr,
5667 	.descramble_addr = hl_mmu_descramble_addr,
5668 	.ack_protection_bits_errors = goya_ack_protection_bits_errors,
5669 	.get_hw_block_id = goya_get_hw_block_id,
5670 	.hw_block_mmap = goya_block_mmap,
5671 	.enable_events_from_fw = goya_enable_events_from_fw,
5672 	.map_pll_idx_to_fw_idx = goya_map_pll_idx_to_fw_idx,
5673 	.init_firmware_loader = goya_init_firmware_loader,
5674 	.init_cpu_scrambler_dram = goya_cpu_init_scrambler_dram,
5675 	.state_dump_init = goya_state_dump_init,
5676 	.get_sob_addr = &goya_get_sob_addr,
5677 	.set_pci_memory_regions = goya_set_pci_memory_regions,
5678 	.get_stream_master_qid_arr = goya_get_stream_master_qid_arr,
5679 };
5680 
5681 /*
5682  * goya_set_asic_funcs - set Goya function pointers
5683  *
5684  * @*hdev: pointer to hl_device structure
5685  *
5686  */
goya_set_asic_funcs(struct hl_device * hdev)5687 void goya_set_asic_funcs(struct hl_device *hdev)
5688 {
5689 	hdev->asic_funcs = &goya_funcs;
5690 }
5691