xref: /linux/drivers/accel/ivpu/ivpu_hw_ip.c (revision 55d0969c451159cff86949b38c39171cab962069)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2020-2024 Intel Corporation
4  */
5 
6 #include "ivpu_drv.h"
7 #include "ivpu_fw.h"
8 #include "ivpu_hw.h"
9 #include "ivpu_hw_37xx_reg.h"
10 #include "ivpu_hw_40xx_reg.h"
11 #include "ivpu_hw_ip.h"
12 #include "ivpu_hw_reg_io.h"
13 #include "ivpu_mmu.h"
14 #include "ivpu_pm.h"
15 
16 #define PWR_ISLAND_EN_POST_DLY_FREQ_DEFAULT 0
17 #define PWR_ISLAND_EN_POST_DLY_FREQ_HIGH    18
18 #define PWR_ISLAND_STATUS_DLY_FREQ_DEFAULT  3
19 #define PWR_ISLAND_STATUS_DLY_FREQ_HIGH	    46
20 #define PWR_ISLAND_STATUS_TIMEOUT_US        (5 * USEC_PER_MSEC)
21 
22 #define TIM_SAFE_ENABLE		            0xf1d0dead
23 #define TIM_WATCHDOG_RESET_VALUE            0xffffffff
24 
25 #define ICB_0_IRQ_MASK_37XX ((REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT)) | \
26 			     (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT)) | \
27 			     (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT)) | \
28 			     (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT)) | \
29 			     (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT)) | \
30 			     (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT)) | \
31 			     (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT)))
32 
33 #define ICB_1_IRQ_MASK_37XX ((REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_2_INT)) | \
34 			     (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_3_INT)) | \
35 			     (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_4_INT)))
36 
37 #define ICB_0_1_IRQ_MASK_37XX ((((u64)ICB_1_IRQ_MASK_37XX) << 32) | ICB_0_IRQ_MASK_37XX)
38 
39 #define ICB_0_IRQ_MASK_40XX ((REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT)) | \
40 			     (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT)) | \
41 			     (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT)) | \
42 			     (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT)) | \
43 			     (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT)) | \
44 			     (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT)) | \
45 			     (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT)))
46 
47 #define ICB_1_IRQ_MASK_40XX ((REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_2_INT)) | \
48 			     (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_3_INT)) | \
49 			     (REG_FLD(VPU_40XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_4_INT)))
50 
51 #define ICB_0_1_IRQ_MASK_40XX ((((u64)ICB_1_IRQ_MASK_40XX) << 32) | ICB_0_IRQ_MASK_40XX)
52 
53 #define ITF_FIREWALL_VIOLATION_MASK_37XX ((REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, CSS_ROM_CMX)) | \
54 					  (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, CSS_DBG)) | \
55 					  (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, CSS_CTRL)) | \
56 					  (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, DEC400)) | \
57 					  (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, MSS_NCE)) | \
58 					  (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI)) | \
59 					  (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI_CMX)))
60 
61 #define ITF_FIREWALL_VIOLATION_MASK_40XX ((REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, CSS_ROM_CMX)) | \
62 					  (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, CSS_DBG)) | \
63 					  (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, CSS_CTRL)) | \
64 					  (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, DEC400)) | \
65 					  (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, MSS_NCE)) | \
66 					  (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI)) | \
67 					  (REG_FLD(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI_CMX)))
68 
69 static int wait_for_ip_bar(struct ivpu_device *vdev)
70 {
71 	return REGV_POLL_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, AON, 0, 100);
72 }
73 
74 static void host_ss_rst_clr(struct ivpu_device *vdev)
75 {
76 	u32 val = 0;
77 
78 	val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, TOP_NOC, val);
79 	val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, DSS_MAS, val);
80 	val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, MSS_MAS, val);
81 
82 	REGV_WR32(VPU_37XX_HOST_SS_CPR_RST_CLR, val);
83 }
84 
85 static int host_ss_noc_qreqn_check_37xx(struct ivpu_device *vdev, u32 exp_val)
86 {
87 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QREQN);
88 
89 	if (!REG_TEST_FLD_NUM(VPU_37XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, exp_val, val))
90 		return -EIO;
91 
92 	return 0;
93 }
94 
95 static int host_ss_noc_qreqn_check_40xx(struct ivpu_device *vdev, u32 exp_val)
96 {
97 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_NOC_QREQN);
98 
99 	if (!REG_TEST_FLD_NUM(VPU_40XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, exp_val, val))
100 		return -EIO;
101 
102 	return 0;
103 }
104 
105 static int host_ss_noc_qreqn_check(struct ivpu_device *vdev, u32 exp_val)
106 {
107 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
108 		return host_ss_noc_qreqn_check_37xx(vdev, exp_val);
109 	else
110 		return host_ss_noc_qreqn_check_40xx(vdev, exp_val);
111 }
112 
113 static int host_ss_noc_qacceptn_check_37xx(struct ivpu_device *vdev, u32 exp_val)
114 {
115 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QACCEPTN);
116 
117 	if (!REG_TEST_FLD_NUM(VPU_37XX_HOST_SS_NOC_QACCEPTN, TOP_SOCMMIO, exp_val, val))
118 		return -EIO;
119 
120 	return 0;
121 }
122 
123 static int host_ss_noc_qacceptn_check_40xx(struct ivpu_device *vdev, u32 exp_val)
124 {
125 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_NOC_QACCEPTN);
126 
127 	if (!REG_TEST_FLD_NUM(VPU_40XX_HOST_SS_NOC_QACCEPTN, TOP_SOCMMIO, exp_val, val))
128 		return -EIO;
129 
130 	return 0;
131 }
132 
133 static int host_ss_noc_qacceptn_check(struct ivpu_device *vdev, u32 exp_val)
134 {
135 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
136 		return host_ss_noc_qacceptn_check_37xx(vdev, exp_val);
137 	else
138 		return host_ss_noc_qacceptn_check_40xx(vdev, exp_val);
139 }
140 
141 static int host_ss_noc_qdeny_check_37xx(struct ivpu_device *vdev, u32 exp_val)
142 {
143 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QDENY);
144 
145 	if (!REG_TEST_FLD_NUM(VPU_37XX_HOST_SS_NOC_QDENY, TOP_SOCMMIO, exp_val, val))
146 		return -EIO;
147 
148 	return 0;
149 }
150 
151 static int host_ss_noc_qdeny_check_40xx(struct ivpu_device *vdev, u32 exp_val)
152 {
153 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_NOC_QDENY);
154 
155 	if (!REG_TEST_FLD_NUM(VPU_40XX_HOST_SS_NOC_QDENY, TOP_SOCMMIO, exp_val, val))
156 		return -EIO;
157 
158 	return 0;
159 }
160 
161 static int host_ss_noc_qdeny_check(struct ivpu_device *vdev, u32 exp_val)
162 {
163 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
164 		return host_ss_noc_qdeny_check_37xx(vdev, exp_val);
165 	else
166 		return host_ss_noc_qdeny_check_40xx(vdev, exp_val);
167 }
168 
169 static int top_noc_qrenqn_check_37xx(struct ivpu_device *vdev, u32 exp_val)
170 {
171 	u32 val = REGV_RD32(VPU_37XX_TOP_NOC_QREQN);
172 
173 	if (!REG_TEST_FLD_NUM(VPU_37XX_TOP_NOC_QREQN, CPU_CTRL, exp_val, val) ||
174 	    !REG_TEST_FLD_NUM(VPU_37XX_TOP_NOC_QREQN, HOSTIF_L2CACHE, exp_val, val))
175 		return -EIO;
176 
177 	return 0;
178 }
179 
180 static int top_noc_qrenqn_check_40xx(struct ivpu_device *vdev, u32 exp_val)
181 {
182 	u32 val = REGV_RD32(VPU_40XX_TOP_NOC_QREQN);
183 
184 	if (!REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QREQN, CPU_CTRL, exp_val, val) ||
185 	    !REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QREQN, HOSTIF_L2CACHE, exp_val, val))
186 		return -EIO;
187 
188 	return 0;
189 }
190 
191 static int top_noc_qreqn_check(struct ivpu_device *vdev, u32 exp_val)
192 {
193 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
194 		return top_noc_qrenqn_check_37xx(vdev, exp_val);
195 	else
196 		return top_noc_qrenqn_check_40xx(vdev, exp_val);
197 }
198 
199 int ivpu_hw_ip_host_ss_configure(struct ivpu_device *vdev)
200 {
201 	int ret;
202 
203 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX) {
204 		ret = wait_for_ip_bar(vdev);
205 		if (ret) {
206 			ivpu_err(vdev, "Timed out waiting for NPU IP bar\n");
207 			return ret;
208 		}
209 		host_ss_rst_clr(vdev);
210 	}
211 
212 	ret = host_ss_noc_qreqn_check(vdev, 0x0);
213 	if (ret) {
214 		ivpu_err(vdev, "Failed qreqn check: %d\n", ret);
215 		return ret;
216 	}
217 
218 	ret = host_ss_noc_qacceptn_check(vdev, 0x0);
219 	if (ret) {
220 		ivpu_err(vdev, "Failed qacceptn check: %d\n", ret);
221 		return ret;
222 	}
223 
224 	ret = host_ss_noc_qdeny_check(vdev, 0x0);
225 	if (ret)
226 		ivpu_err(vdev, "Failed qdeny check %d\n", ret);
227 
228 	return ret;
229 }
230 
231 static void idle_gen_drive_37xx(struct ivpu_device *vdev, bool enable)
232 {
233 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_VPU_IDLE_GEN);
234 
235 	if (enable)
236 		val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_VPU_IDLE_GEN, EN, val);
237 	else
238 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_VPU_IDLE_GEN, EN, val);
239 
240 	REGV_WR32(VPU_37XX_HOST_SS_AON_VPU_IDLE_GEN, val);
241 }
242 
243 static void idle_gen_drive_40xx(struct ivpu_device *vdev, bool enable)
244 {
245 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_AON_IDLE_GEN);
246 
247 	if (enable)
248 		val = REG_SET_FLD(VPU_40XX_HOST_SS_AON_IDLE_GEN, EN, val);
249 	else
250 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_AON_IDLE_GEN, EN, val);
251 
252 	REGV_WR32(VPU_40XX_HOST_SS_AON_IDLE_GEN, val);
253 }
254 
255 void ivpu_hw_ip_idle_gen_enable(struct ivpu_device *vdev)
256 {
257 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
258 		idle_gen_drive_37xx(vdev, true);
259 	else
260 		idle_gen_drive_40xx(vdev, true);
261 }
262 
263 void ivpu_hw_ip_idle_gen_disable(struct ivpu_device *vdev)
264 {
265 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
266 		idle_gen_drive_37xx(vdev, false);
267 	else
268 		idle_gen_drive_40xx(vdev, false);
269 }
270 
271 static void pwr_island_delay_set_50xx(struct ivpu_device *vdev)
272 {
273 	u32 val, post, status;
274 
275 	if (vdev->hw->pll.profiling_freq == PLL_PROFILING_FREQ_DEFAULT) {
276 		post = PWR_ISLAND_EN_POST_DLY_FREQ_DEFAULT;
277 		status = PWR_ISLAND_STATUS_DLY_FREQ_DEFAULT;
278 	} else {
279 		post = PWR_ISLAND_EN_POST_DLY_FREQ_HIGH;
280 		status = PWR_ISLAND_STATUS_DLY_FREQ_HIGH;
281 	}
282 
283 	val = REGV_RD32(VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY);
284 	val = REG_SET_FLD_NUM(VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY, POST_DLY, post, val);
285 	REGV_WR32(VPU_50XX_HOST_SS_AON_PWR_ISLAND_EN_POST_DLY, val);
286 
287 	val = REGV_RD32(VPU_50XX_HOST_SS_AON_PWR_ISLAND_STATUS_DLY);
288 	val = REG_SET_FLD_NUM(VPU_50XX_HOST_SS_AON_PWR_ISLAND_STATUS_DLY, STATUS_DLY, status, val);
289 	REGV_WR32(VPU_50XX_HOST_SS_AON_PWR_ISLAND_STATUS_DLY, val);
290 }
291 
292 static void pwr_island_trickle_drive_37xx(struct ivpu_device *vdev, bool enable)
293 {
294 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0);
295 
296 	if (enable)
297 		val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, MSS_CPU, val);
298 	else
299 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, MSS_CPU, val);
300 
301 	REGV_WR32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, val);
302 }
303 
304 static void pwr_island_trickle_drive_40xx(struct ivpu_device *vdev, bool enable)
305 {
306 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0);
307 
308 	if (enable)
309 		val = REG_SET_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, CSS_CPU, val);
310 	else
311 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, CSS_CPU, val);
312 
313 	REGV_WR32(VPU_40XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, val);
314 
315 	if (enable)
316 		ndelay(500);
317 }
318 
319 static void pwr_island_drive_37xx(struct ivpu_device *vdev, bool enable)
320 {
321 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_AON_PWR_ISLAND_EN0);
322 
323 	if (enable)
324 		val = REG_SET_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_EN0, CSS_CPU, val);
325 	else
326 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_EN0, CSS_CPU, val);
327 
328 	REGV_WR32(VPU_40XX_HOST_SS_AON_PWR_ISLAND_EN0, val);
329 
330 	if (!enable)
331 		ndelay(500);
332 }
333 
334 static void pwr_island_drive_40xx(struct ivpu_device *vdev, bool enable)
335 {
336 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0);
337 
338 	if (enable)
339 		val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0, MSS_CPU, val);
340 	else
341 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0, MSS_CPU, val);
342 
343 	REGV_WR32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0, val);
344 }
345 
346 static void pwr_island_enable(struct ivpu_device *vdev)
347 {
348 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX) {
349 		pwr_island_trickle_drive_37xx(vdev, true);
350 		pwr_island_drive_37xx(vdev, true);
351 	} else {
352 		pwr_island_trickle_drive_40xx(vdev, true);
353 		pwr_island_drive_40xx(vdev, true);
354 	}
355 }
356 
357 static int wait_for_pwr_island_status(struct ivpu_device *vdev, u32 exp_val)
358 {
359 	if (IVPU_WA(punit_disabled))
360 		return 0;
361 
362 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
363 		return REGV_POLL_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_STATUS0, MSS_CPU, exp_val,
364 				     PWR_ISLAND_STATUS_TIMEOUT_US);
365 	else
366 		return REGV_POLL_FLD(VPU_40XX_HOST_SS_AON_PWR_ISLAND_STATUS0, CSS_CPU, exp_val,
367 				     PWR_ISLAND_STATUS_TIMEOUT_US);
368 }
369 
370 static void pwr_island_isolation_drive_37xx(struct ivpu_device *vdev, bool enable)
371 {
372 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0);
373 
374 	if (enable)
375 		val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0, MSS_CPU, val);
376 	else
377 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0, MSS_CPU, val);
378 
379 	REGV_WR32(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0, val);
380 }
381 
382 static void pwr_island_isolation_drive_40xx(struct ivpu_device *vdev, bool enable)
383 {
384 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_AON_PWR_ISO_EN0);
385 
386 	if (enable)
387 		val = REG_SET_FLD(VPU_40XX_HOST_SS_AON_PWR_ISO_EN0, CSS_CPU, val);
388 	else
389 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_AON_PWR_ISO_EN0, CSS_CPU, val);
390 
391 	REGV_WR32(VPU_40XX_HOST_SS_AON_PWR_ISO_EN0, val);
392 }
393 
394 static void pwr_island_isolation_drive(struct ivpu_device *vdev, bool enable)
395 {
396 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
397 		pwr_island_isolation_drive_37xx(vdev, enable);
398 	else
399 		pwr_island_isolation_drive_40xx(vdev, enable);
400 }
401 
402 static void pwr_island_isolation_disable(struct ivpu_device *vdev)
403 {
404 	pwr_island_isolation_drive(vdev, false);
405 }
406 
407 static void host_ss_clk_drive_37xx(struct ivpu_device *vdev, bool enable)
408 {
409 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_CPR_CLK_SET);
410 
411 	if (enable) {
412 		val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, TOP_NOC, val);
413 		val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, DSS_MAS, val);
414 		val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, MSS_MAS, val);
415 	} else {
416 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, TOP_NOC, val);
417 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, DSS_MAS, val);
418 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, MSS_MAS, val);
419 	}
420 
421 	REGV_WR32(VPU_37XX_HOST_SS_CPR_CLK_SET, val);
422 }
423 
424 static void host_ss_clk_drive_40xx(struct ivpu_device *vdev, bool enable)
425 {
426 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_CPR_CLK_EN);
427 
428 	if (enable) {
429 		val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, TOP_NOC, val);
430 		val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, DSS_MAS, val);
431 		val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, CSS_MAS, val);
432 	} else {
433 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, TOP_NOC, val);
434 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, DSS_MAS, val);
435 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_CLK_EN, CSS_MAS, val);
436 	}
437 
438 	REGV_WR32(VPU_40XX_HOST_SS_CPR_CLK_EN, val);
439 }
440 
441 static void host_ss_clk_drive(struct ivpu_device *vdev, bool enable)
442 {
443 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
444 		host_ss_clk_drive_37xx(vdev, enable);
445 	else
446 		host_ss_clk_drive_40xx(vdev, enable);
447 }
448 
449 static void host_ss_clk_enable(struct ivpu_device *vdev)
450 {
451 	host_ss_clk_drive(vdev, true);
452 }
453 
454 static void host_ss_rst_drive_37xx(struct ivpu_device *vdev, bool enable)
455 {
456 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_CPR_RST_SET);
457 
458 	if (enable) {
459 		val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, TOP_NOC, val);
460 		val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, DSS_MAS, val);
461 		val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, MSS_MAS, val);
462 	} else {
463 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, TOP_NOC, val);
464 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, DSS_MAS, val);
465 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, MSS_MAS, val);
466 	}
467 
468 	REGV_WR32(VPU_37XX_HOST_SS_CPR_RST_SET, val);
469 }
470 
471 static void host_ss_rst_drive_40xx(struct ivpu_device *vdev, bool enable)
472 {
473 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_CPR_RST_EN);
474 
475 	if (enable) {
476 		val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, TOP_NOC, val);
477 		val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, DSS_MAS, val);
478 		val = REG_SET_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, CSS_MAS, val);
479 	} else {
480 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, TOP_NOC, val);
481 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, DSS_MAS, val);
482 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_CPR_RST_EN, CSS_MAS, val);
483 	}
484 
485 	REGV_WR32(VPU_40XX_HOST_SS_CPR_RST_EN, val);
486 }
487 
488 static void host_ss_rst_drive(struct ivpu_device *vdev, bool enable)
489 {
490 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
491 		host_ss_rst_drive_37xx(vdev, enable);
492 	else
493 		host_ss_rst_drive_40xx(vdev, enable);
494 }
495 
496 static void host_ss_rst_enable(struct ivpu_device *vdev)
497 {
498 	host_ss_rst_drive(vdev, true);
499 }
500 
501 static void host_ss_noc_qreqn_top_socmmio_drive_37xx(struct ivpu_device *vdev, bool enable)
502 {
503 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QREQN);
504 
505 	if (enable)
506 		val = REG_SET_FLD(VPU_37XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val);
507 	else
508 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val);
509 	REGV_WR32(VPU_37XX_HOST_SS_NOC_QREQN, val);
510 }
511 
512 static void host_ss_noc_qreqn_top_socmmio_drive_40xx(struct ivpu_device *vdev, bool enable)
513 {
514 	u32 val = REGV_RD32(VPU_40XX_HOST_SS_NOC_QREQN);
515 
516 	if (enable)
517 		val = REG_SET_FLD(VPU_40XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val);
518 	else
519 		val = REG_CLR_FLD(VPU_40XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val);
520 	REGV_WR32(VPU_40XX_HOST_SS_NOC_QREQN, val);
521 }
522 
523 static void host_ss_noc_qreqn_top_socmmio_drive(struct ivpu_device *vdev, bool enable)
524 {
525 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
526 		host_ss_noc_qreqn_top_socmmio_drive_37xx(vdev, enable);
527 	else
528 		host_ss_noc_qreqn_top_socmmio_drive_40xx(vdev, enable);
529 }
530 
531 static int host_ss_axi_drive(struct ivpu_device *vdev, bool enable)
532 {
533 	int ret;
534 
535 	host_ss_noc_qreqn_top_socmmio_drive(vdev, enable);
536 
537 	ret = host_ss_noc_qacceptn_check(vdev, enable ? 0x1 : 0x0);
538 	if (ret) {
539 		ivpu_err(vdev, "Failed HOST SS NOC QACCEPTN check: %d\n", ret);
540 		return ret;
541 	}
542 
543 	ret = host_ss_noc_qdeny_check(vdev, 0x0);
544 	if (ret)
545 		ivpu_err(vdev, "Failed HOST SS NOC QDENY check: %d\n", ret);
546 
547 	return ret;
548 }
549 
550 static void top_noc_qreqn_drive_40xx(struct ivpu_device *vdev, bool enable)
551 {
552 	u32 val = REGV_RD32(VPU_40XX_TOP_NOC_QREQN);
553 
554 	if (enable) {
555 		val = REG_SET_FLD(VPU_40XX_TOP_NOC_QREQN, CPU_CTRL, val);
556 		val = REG_SET_FLD(VPU_40XX_TOP_NOC_QREQN, HOSTIF_L2CACHE, val);
557 	} else {
558 		val = REG_CLR_FLD(VPU_40XX_TOP_NOC_QREQN, CPU_CTRL, val);
559 		val = REG_CLR_FLD(VPU_40XX_TOP_NOC_QREQN, HOSTIF_L2CACHE, val);
560 	}
561 
562 	REGV_WR32(VPU_40XX_TOP_NOC_QREQN, val);
563 }
564 
565 static void top_noc_qreqn_drive_37xx(struct ivpu_device *vdev, bool enable)
566 {
567 	u32 val = REGV_RD32(VPU_37XX_TOP_NOC_QREQN);
568 
569 	if (enable) {
570 		val = REG_SET_FLD(VPU_37XX_TOP_NOC_QREQN, CPU_CTRL, val);
571 		val = REG_SET_FLD(VPU_37XX_TOP_NOC_QREQN, HOSTIF_L2CACHE, val);
572 	} else {
573 		val = REG_CLR_FLD(VPU_37XX_TOP_NOC_QREQN, CPU_CTRL, val);
574 		val = REG_CLR_FLD(VPU_37XX_TOP_NOC_QREQN, HOSTIF_L2CACHE, val);
575 	}
576 
577 	REGV_WR32(VPU_37XX_TOP_NOC_QREQN, val);
578 }
579 
580 static void top_noc_qreqn_drive(struct ivpu_device *vdev, bool enable)
581 {
582 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
583 		top_noc_qreqn_drive_37xx(vdev, enable);
584 	else
585 		top_noc_qreqn_drive_40xx(vdev, enable);
586 }
587 
588 int ivpu_hw_ip_host_ss_axi_enable(struct ivpu_device *vdev)
589 {
590 	return host_ss_axi_drive(vdev, true);
591 }
592 
593 static int top_noc_qacceptn_check_37xx(struct ivpu_device *vdev, u32 exp_val)
594 {
595 	u32 val = REGV_RD32(VPU_37XX_TOP_NOC_QACCEPTN);
596 
597 	if (!REG_TEST_FLD_NUM(VPU_37XX_TOP_NOC_QACCEPTN, CPU_CTRL, exp_val, val) ||
598 	    !REG_TEST_FLD_NUM(VPU_37XX_TOP_NOC_QACCEPTN, HOSTIF_L2CACHE, exp_val, val))
599 		return -EIO;
600 
601 	return 0;
602 }
603 
604 static int top_noc_qacceptn_check_40xx(struct ivpu_device *vdev, u32 exp_val)
605 {
606 	u32 val = REGV_RD32(VPU_40XX_TOP_NOC_QACCEPTN);
607 
608 	if (!REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QACCEPTN, CPU_CTRL, exp_val, val) ||
609 	    !REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QACCEPTN, HOSTIF_L2CACHE, exp_val, val))
610 		return -EIO;
611 
612 	return 0;
613 }
614 
615 static int top_noc_qacceptn_check(struct ivpu_device *vdev, u32 exp_val)
616 {
617 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
618 		return top_noc_qacceptn_check_37xx(vdev, exp_val);
619 	else
620 		return top_noc_qacceptn_check_40xx(vdev, exp_val);
621 }
622 
623 static int top_noc_qdeny_check_37xx(struct ivpu_device *vdev, u32 exp_val)
624 {
625 	u32 val = REGV_RD32(VPU_37XX_TOP_NOC_QDENY);
626 
627 	if (!REG_TEST_FLD_NUM(VPU_37XX_TOP_NOC_QDENY, CPU_CTRL, exp_val, val) ||
628 	    !REG_TEST_FLD_NUM(VPU_37XX_TOP_NOC_QDENY, HOSTIF_L2CACHE, exp_val, val))
629 		return -EIO;
630 
631 	return 0;
632 }
633 
634 static int top_noc_qdeny_check_40xx(struct ivpu_device *vdev, u32 exp_val)
635 {
636 	u32 val = REGV_RD32(VPU_40XX_TOP_NOC_QDENY);
637 
638 	if (!REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QDENY, CPU_CTRL, exp_val, val) ||
639 	    !REG_TEST_FLD_NUM(VPU_40XX_TOP_NOC_QDENY, HOSTIF_L2CACHE, exp_val, val))
640 		return -EIO;
641 
642 	return 0;
643 }
644 
645 static int top_noc_qdeny_check(struct ivpu_device *vdev, u32 exp_val)
646 {
647 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
648 		return top_noc_qdeny_check_37xx(vdev, exp_val);
649 	else
650 		return top_noc_qdeny_check_40xx(vdev, exp_val);
651 }
652 
653 static int top_noc_drive(struct ivpu_device *vdev, bool enable)
654 {
655 	int ret;
656 
657 	top_noc_qreqn_drive(vdev, enable);
658 
659 	ret = top_noc_qacceptn_check(vdev, enable ? 0x1 : 0x0);
660 	if (ret) {
661 		ivpu_err(vdev, "Failed TOP NOC QACCEPTN check: %d\n", ret);
662 		return ret;
663 	}
664 
665 	ret = top_noc_qdeny_check(vdev, 0x0);
666 	if (ret)
667 		ivpu_err(vdev, "Failed TOP NOC QDENY check: %d\n", ret);
668 
669 	return ret;
670 }
671 
672 int ivpu_hw_ip_top_noc_enable(struct ivpu_device *vdev)
673 {
674 	return top_noc_drive(vdev, true);
675 }
676 
677 static void dpu_active_drive_37xx(struct ivpu_device *vdev, bool enable)
678 {
679 	u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_DPU_ACTIVE);
680 
681 	if (enable)
682 		val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, DPU_ACTIVE, val);
683 	else
684 		val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, DPU_ACTIVE, val);
685 
686 	REGV_WR32(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, val);
687 }
688 
689 int ivpu_hw_ip_pwr_domain_enable(struct ivpu_device *vdev)
690 {
691 	int ret;
692 
693 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_50XX)
694 		pwr_island_delay_set_50xx(vdev);
695 
696 	pwr_island_enable(vdev);
697 
698 	ret = wait_for_pwr_island_status(vdev, 0x1);
699 	if (ret) {
700 		ivpu_err(vdev, "Timed out waiting for power island status\n");
701 		return ret;
702 	}
703 
704 	ret = top_noc_qreqn_check(vdev, 0x0);
705 	if (ret) {
706 		ivpu_err(vdev, "Failed TOP NOC QREQN check %d\n", ret);
707 		return ret;
708 	}
709 
710 	host_ss_clk_enable(vdev);
711 	pwr_island_isolation_disable(vdev);
712 	host_ss_rst_enable(vdev);
713 
714 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
715 		dpu_active_drive_37xx(vdev, true);
716 
717 	return ret;
718 }
719 
720 u64 ivpu_hw_ip_read_perf_timer_counter(struct ivpu_device *vdev)
721 {
722 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
723 		return REGV_RD64(VPU_37XX_CPU_SS_TIM_PERF_FREE_CNT);
724 	else
725 		return REGV_RD64(VPU_40XX_CPU_SS_TIM_PERF_EXT_FREE_CNT);
726 }
727 
728 static void ivpu_hw_ip_snoop_disable_37xx(struct ivpu_device *vdev)
729 {
730 	u32 val = REGV_RD32(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES);
731 
732 	val = REG_SET_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, NOSNOOP_OVERRIDE_EN, val);
733 	val = REG_CLR_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, AW_NOSNOOP_OVERRIDE, val);
734 
735 	if (ivpu_is_force_snoop_enabled(vdev))
736 		val = REG_CLR_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, AR_NOSNOOP_OVERRIDE, val);
737 	else
738 		val = REG_SET_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, AR_NOSNOOP_OVERRIDE, val);
739 
740 	REGV_WR32(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, val);
741 }
742 
743 static void ivpu_hw_ip_snoop_disable_40xx(struct ivpu_device *vdev)
744 {
745 	u32 val = REGV_RD32(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES);
746 
747 	val = REG_SET_FLD(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES, SNOOP_OVERRIDE_EN, val);
748 	val = REG_SET_FLD(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES, AW_SNOOP_OVERRIDE, val);
749 
750 	if (ivpu_is_force_snoop_enabled(vdev))
751 		val = REG_SET_FLD(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES, AR_SNOOP_OVERRIDE, val);
752 	else
753 		val = REG_CLR_FLD(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES, AR_SNOOP_OVERRIDE, val);
754 
755 	REGV_WR32(VPU_40XX_HOST_IF_TCU_PTW_OVERRIDES, val);
756 }
757 
758 void ivpu_hw_ip_snoop_disable(struct ivpu_device *vdev)
759 {
760 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
761 		return ivpu_hw_ip_snoop_disable_37xx(vdev);
762 	else
763 		return ivpu_hw_ip_snoop_disable_40xx(vdev);
764 }
765 
766 static void ivpu_hw_ip_tbu_mmu_enable_37xx(struct ivpu_device *vdev)
767 {
768 	u32 val = REGV_RD32(VPU_37XX_HOST_IF_TBU_MMUSSIDV);
769 
770 	val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU0_AWMMUSSIDV, val);
771 	val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU0_ARMMUSSIDV, val);
772 	val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU2_AWMMUSSIDV, val);
773 	val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU2_ARMMUSSIDV, val);
774 
775 	REGV_WR32(VPU_37XX_HOST_IF_TBU_MMUSSIDV, val);
776 }
777 
778 static void ivpu_hw_ip_tbu_mmu_enable_40xx(struct ivpu_device *vdev)
779 {
780 	u32 val = REGV_RD32(VPU_40XX_HOST_IF_TBU_MMUSSIDV);
781 
782 	val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU0_AWMMUSSIDV, val);
783 	val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU0_ARMMUSSIDV, val);
784 	val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU1_AWMMUSSIDV, val);
785 	val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU1_ARMMUSSIDV, val);
786 	val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU2_AWMMUSSIDV, val);
787 	val = REG_SET_FLD(VPU_40XX_HOST_IF_TBU_MMUSSIDV, TBU2_ARMMUSSIDV, val);
788 
789 	REGV_WR32(VPU_40XX_HOST_IF_TBU_MMUSSIDV, val);
790 }
791 
792 void ivpu_hw_ip_tbu_mmu_enable(struct ivpu_device *vdev)
793 {
794 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
795 		return ivpu_hw_ip_tbu_mmu_enable_37xx(vdev);
796 	else
797 		return ivpu_hw_ip_tbu_mmu_enable_40xx(vdev);
798 }
799 
800 static int soc_cpu_boot_37xx(struct ivpu_device *vdev)
801 {
802 	u32 val;
803 
804 	val = REGV_RD32(VPU_37XX_CPU_SS_MSSCPU_CPR_LEON_RT_VEC);
805 	val = REG_SET_FLD(VPU_37XX_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RSTRUN0, val);
806 
807 	val = REG_CLR_FLD(VPU_37XX_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RSTVEC, val);
808 	REGV_WR32(VPU_37XX_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, val);
809 
810 	val = REG_SET_FLD(VPU_37XX_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RESUME0, val);
811 	REGV_WR32(VPU_37XX_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, val);
812 
813 	val = REG_CLR_FLD(VPU_37XX_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RESUME0, val);
814 	REGV_WR32(VPU_37XX_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, val);
815 
816 	val = vdev->fw->entry_point >> 9;
817 	REGV_WR32(VPU_37XX_HOST_SS_LOADING_ADDRESS_LO, val);
818 
819 	val = REG_SET_FLD(VPU_37XX_HOST_SS_LOADING_ADDRESS_LO, DONE, val);
820 	REGV_WR32(VPU_37XX_HOST_SS_LOADING_ADDRESS_LO, val);
821 
822 	ivpu_dbg(vdev, PM, "Booting firmware, mode: %s\n",
823 		 vdev->fw->entry_point == vdev->fw->cold_boot_entry_point ? "cold boot" : "resume");
824 
825 	return 0;
826 }
827 
828 static int cpu_noc_qacceptn_check_40xx(struct ivpu_device *vdev, u32 exp_val)
829 {
830 	u32 val = REGV_RD32(VPU_40XX_CPU_SS_CPR_NOC_QACCEPTN);
831 
832 	if (!REG_TEST_FLD_NUM(VPU_40XX_CPU_SS_CPR_NOC_QACCEPTN, TOP_MMIO, exp_val, val))
833 		return -EIO;
834 
835 	return 0;
836 }
837 
838 static int cpu_noc_qdeny_check_40xx(struct ivpu_device *vdev, u32 exp_val)
839 {
840 	u32 val = REGV_RD32(VPU_40XX_CPU_SS_CPR_NOC_QDENY);
841 
842 	if (!REG_TEST_FLD_NUM(VPU_40XX_CPU_SS_CPR_NOC_QDENY, TOP_MMIO, exp_val, val))
843 		return -EIO;
844 
845 	return 0;
846 }
847 
848 static void cpu_noc_top_mmio_drive_40xx(struct ivpu_device *vdev, bool enable)
849 {
850 	u32 val = REGV_RD32(VPU_40XX_CPU_SS_CPR_NOC_QREQN);
851 
852 	if (enable)
853 		val = REG_SET_FLD(VPU_40XX_CPU_SS_CPR_NOC_QREQN, TOP_MMIO, val);
854 	else
855 		val = REG_CLR_FLD(VPU_40XX_CPU_SS_CPR_NOC_QREQN, TOP_MMIO, val);
856 	REGV_WR32(VPU_40XX_CPU_SS_CPR_NOC_QREQN, val);
857 }
858 
859 static int soc_cpu_drive_40xx(struct ivpu_device *vdev, bool enable)
860 {
861 	int ret;
862 
863 	cpu_noc_top_mmio_drive_40xx(vdev, enable);
864 
865 	ret = cpu_noc_qacceptn_check_40xx(vdev, enable ? 0x1 : 0x0);
866 	if (ret) {
867 		ivpu_err(vdev, "Failed qacceptn check: %d\n", ret);
868 		return ret;
869 	}
870 
871 	ret = cpu_noc_qdeny_check_40xx(vdev, 0x0);
872 	if (ret)
873 		ivpu_err(vdev, "Failed qdeny check: %d\n", ret);
874 
875 	return ret;
876 }
877 
878 static int soc_cpu_enable(struct ivpu_device *vdev)
879 {
880 	return soc_cpu_drive_40xx(vdev, true);
881 }
882 
883 static int soc_cpu_boot_40xx(struct ivpu_device *vdev)
884 {
885 	int ret;
886 	u32 val;
887 	u64 val64;
888 
889 	ret = soc_cpu_enable(vdev);
890 	if (ret) {
891 		ivpu_err(vdev, "Failed to enable SOC CPU: %d\n", ret);
892 		return ret;
893 	}
894 
895 	val64 = vdev->fw->entry_point;
896 	val64 <<= ffs(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO_IMAGE_LOCATION_MASK) - 1;
897 	REGV_WR64(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO, val64);
898 
899 	val = REGV_RD32(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO);
900 	val = REG_SET_FLD(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO, DONE, val);
901 	REGV_WR32(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO, val);
902 
903 	ivpu_dbg(vdev, PM, "Booting firmware, mode: %s\n",
904 		 ivpu_fw_is_cold_boot(vdev) ? "cold boot" : "resume");
905 
906 	return 0;
907 }
908 
909 int ivpu_hw_ip_soc_cpu_boot(struct ivpu_device *vdev)
910 {
911 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
912 		return soc_cpu_boot_37xx(vdev);
913 	else
914 		return soc_cpu_boot_40xx(vdev);
915 }
916 
917 static void wdt_disable_37xx(struct ivpu_device *vdev)
918 {
919 	u32 val;
920 
921 	/* Enable writing and set non-zero WDT value */
922 	REGV_WR32(VPU_37XX_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE);
923 	REGV_WR32(VPU_37XX_CPU_SS_TIM_WATCHDOG, TIM_WATCHDOG_RESET_VALUE);
924 
925 	/* Enable writing and disable watchdog timer */
926 	REGV_WR32(VPU_37XX_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE);
927 	REGV_WR32(VPU_37XX_CPU_SS_TIM_WDOG_EN, 0);
928 
929 	/* Now clear the timeout interrupt */
930 	val = REGV_RD32(VPU_37XX_CPU_SS_TIM_GEN_CONFIG);
931 	val = REG_CLR_FLD(VPU_37XX_CPU_SS_TIM_GEN_CONFIG, WDOG_TO_INT_CLR, val);
932 	REGV_WR32(VPU_37XX_CPU_SS_TIM_GEN_CONFIG, val);
933 }
934 
935 static void wdt_disable_40xx(struct ivpu_device *vdev)
936 {
937 	u32 val;
938 
939 	REGV_WR32(VPU_40XX_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE);
940 	REGV_WR32(VPU_40XX_CPU_SS_TIM_WATCHDOG, TIM_WATCHDOG_RESET_VALUE);
941 
942 	REGV_WR32(VPU_40XX_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE);
943 	REGV_WR32(VPU_40XX_CPU_SS_TIM_WDOG_EN, 0);
944 
945 	val = REGV_RD32(VPU_40XX_CPU_SS_TIM_GEN_CONFIG);
946 	val = REG_CLR_FLD(VPU_40XX_CPU_SS_TIM_GEN_CONFIG, WDOG_TO_INT_CLR, val);
947 	REGV_WR32(VPU_40XX_CPU_SS_TIM_GEN_CONFIG, val);
948 }
949 
950 void ivpu_hw_ip_wdt_disable(struct ivpu_device *vdev)
951 {
952 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
953 		return wdt_disable_37xx(vdev);
954 	else
955 		return wdt_disable_40xx(vdev);
956 }
957 
958 static u32 ipc_rx_count_get_37xx(struct ivpu_device *vdev)
959 {
960 	u32 count = REGV_RD32_SILENT(VPU_37XX_HOST_SS_TIM_IPC_FIFO_STAT);
961 
962 	return REG_GET_FLD(VPU_37XX_HOST_SS_TIM_IPC_FIFO_STAT, FILL_LEVEL, count);
963 }
964 
965 static u32 ipc_rx_count_get_40xx(struct ivpu_device *vdev)
966 {
967 	u32 count = REGV_RD32_SILENT(VPU_40XX_HOST_SS_TIM_IPC_FIFO_STAT);
968 
969 	return REG_GET_FLD(VPU_40XX_HOST_SS_TIM_IPC_FIFO_STAT, FILL_LEVEL, count);
970 }
971 
972 u32 ivpu_hw_ip_ipc_rx_count_get(struct ivpu_device *vdev)
973 {
974 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
975 		return ipc_rx_count_get_37xx(vdev);
976 	else
977 		return ipc_rx_count_get_40xx(vdev);
978 }
979 
980 void ivpu_hw_ip_irq_enable(struct ivpu_device *vdev)
981 {
982 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX) {
983 		REGV_WR32(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, ITF_FIREWALL_VIOLATION_MASK_37XX);
984 		REGV_WR64(VPU_37XX_HOST_SS_ICB_ENABLE_0, ICB_0_1_IRQ_MASK_37XX);
985 	} else {
986 		REGV_WR32(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, ITF_FIREWALL_VIOLATION_MASK_40XX);
987 		REGV_WR64(VPU_40XX_HOST_SS_ICB_ENABLE_0, ICB_0_1_IRQ_MASK_40XX);
988 	}
989 }
990 
991 void ivpu_hw_ip_irq_disable(struct ivpu_device *vdev)
992 {
993 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX) {
994 		REGV_WR64(VPU_37XX_HOST_SS_ICB_ENABLE_0, 0x0ull);
995 		REGV_WR32(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, 0x0);
996 	} else {
997 		REGV_WR64(VPU_40XX_HOST_SS_ICB_ENABLE_0, 0x0ull);
998 		REGV_WR32(VPU_40XX_HOST_SS_FW_SOC_IRQ_EN, 0x0ul);
999 	}
1000 }
1001 
1002 static void diagnose_failure_37xx(struct ivpu_device *vdev)
1003 {
1004 	u32 reg = REGV_RD32(VPU_37XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK_37XX;
1005 
1006 	if (ipc_rx_count_get_37xx(vdev))
1007 		ivpu_err(vdev, "IPC FIFO queue not empty, missed IPC IRQ");
1008 
1009 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, reg))
1010 		ivpu_err(vdev, "WDT MSS timeout detected\n");
1011 
1012 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, reg))
1013 		ivpu_err(vdev, "WDT NCE timeout detected\n");
1014 
1015 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, reg))
1016 		ivpu_err(vdev, "NOC Firewall irq detected\n");
1017 }
1018 
1019 static void diagnose_failure_40xx(struct ivpu_device *vdev)
1020 {
1021 	u32 reg = REGV_RD32(VPU_40XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK_40XX;
1022 
1023 	if (ipc_rx_count_get_40xx(vdev))
1024 		ivpu_err(vdev, "IPC FIFO queue not empty, missed IPC IRQ");
1025 
1026 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, reg))
1027 		ivpu_err(vdev, "WDT MSS timeout detected\n");
1028 
1029 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, reg))
1030 		ivpu_err(vdev, "WDT NCE timeout detected\n");
1031 
1032 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, reg))
1033 		ivpu_err(vdev, "NOC Firewall irq detected\n");
1034 }
1035 
1036 void ivpu_hw_ip_diagnose_failure(struct ivpu_device *vdev)
1037 {
1038 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
1039 		diagnose_failure_37xx(vdev);
1040 	else
1041 		diagnose_failure_40xx(vdev);
1042 }
1043 
1044 void ivpu_hw_ip_irq_clear(struct ivpu_device *vdev)
1045 {
1046 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
1047 		REGV_WR64(VPU_37XX_HOST_SS_ICB_CLEAR_0, ICB_0_1_IRQ_MASK_37XX);
1048 	else
1049 		REGV_WR64(VPU_40XX_HOST_SS_ICB_CLEAR_0, ICB_0_1_IRQ_MASK_40XX);
1050 }
1051 
1052 static void irq_wdt_nce_handler(struct ivpu_device *vdev)
1053 {
1054 	ivpu_pm_trigger_recovery(vdev, "WDT NCE IRQ");
1055 }
1056 
1057 static void irq_wdt_mss_handler(struct ivpu_device *vdev)
1058 {
1059 	ivpu_hw_ip_wdt_disable(vdev);
1060 	ivpu_pm_trigger_recovery(vdev, "WDT MSS IRQ");
1061 }
1062 
1063 static void irq_noc_firewall_handler(struct ivpu_device *vdev)
1064 {
1065 	ivpu_pm_trigger_recovery(vdev, "NOC Firewall IRQ");
1066 }
1067 
1068 /* Handler for IRQs from NPU core */
1069 bool ivpu_hw_ip_irq_handler_37xx(struct ivpu_device *vdev, int irq)
1070 {
1071 	u32 status = REGV_RD32(VPU_37XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK_37XX;
1072 
1073 	if (!status)
1074 		return false;
1075 
1076 	REGV_WR32(VPU_37XX_HOST_SS_ICB_CLEAR_0, status);
1077 
1078 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT, status))
1079 		ivpu_mmu_irq_evtq_handler(vdev);
1080 
1081 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT, status))
1082 		ivpu_ipc_irq_handler(vdev);
1083 
1084 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT, status))
1085 		ivpu_dbg(vdev, IRQ, "MMU sync complete\n");
1086 
1087 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT, status))
1088 		ivpu_mmu_irq_gerr_handler(vdev);
1089 
1090 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, status))
1091 		irq_wdt_mss_handler(vdev);
1092 
1093 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, status))
1094 		irq_wdt_nce_handler(vdev);
1095 
1096 	if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, status))
1097 		irq_noc_firewall_handler(vdev);
1098 
1099 	return true;
1100 }
1101 
1102 /* Handler for IRQs from NPU core */
1103 bool ivpu_hw_ip_irq_handler_40xx(struct ivpu_device *vdev, int irq)
1104 {
1105 	u32 status = REGV_RD32(VPU_40XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK_40XX;
1106 
1107 	if (!status)
1108 		return false;
1109 
1110 	REGV_WR32(VPU_40XX_HOST_SS_ICB_CLEAR_0, status);
1111 
1112 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT, status))
1113 		ivpu_mmu_irq_evtq_handler(vdev);
1114 
1115 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT, status))
1116 		ivpu_ipc_irq_handler(vdev);
1117 
1118 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT, status))
1119 		ivpu_dbg(vdev, IRQ, "MMU sync complete\n");
1120 
1121 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT, status))
1122 		ivpu_mmu_irq_gerr_handler(vdev);
1123 
1124 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, status))
1125 		irq_wdt_mss_handler(vdev);
1126 
1127 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, status))
1128 		irq_wdt_nce_handler(vdev);
1129 
1130 	if (REG_TEST_FLD(VPU_40XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, status))
1131 		irq_noc_firewall_handler(vdev);
1132 
1133 	return true;
1134 }
1135 
1136 static void db_set_37xx(struct ivpu_device *vdev, u32 db_id)
1137 {
1138 	u32 reg_stride = VPU_37XX_CPU_SS_DOORBELL_1 - VPU_37XX_CPU_SS_DOORBELL_0;
1139 	u32 val = REG_FLD(VPU_37XX_CPU_SS_DOORBELL_0, SET);
1140 
1141 	REGV_WR32I(VPU_37XX_CPU_SS_DOORBELL_0, reg_stride, db_id, val);
1142 }
1143 
1144 static void db_set_40xx(struct ivpu_device *vdev, u32 db_id)
1145 {
1146 	u32 reg_stride = VPU_40XX_CPU_SS_DOORBELL_1 - VPU_40XX_CPU_SS_DOORBELL_0;
1147 	u32 val = REG_FLD(VPU_40XX_CPU_SS_DOORBELL_0, SET);
1148 
1149 	REGV_WR32I(VPU_40XX_CPU_SS_DOORBELL_0, reg_stride, db_id, val);
1150 }
1151 
1152 void ivpu_hw_ip_db_set(struct ivpu_device *vdev, u32 db_id)
1153 {
1154 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
1155 		db_set_37xx(vdev, db_id);
1156 	else
1157 		db_set_40xx(vdev, db_id);
1158 }
1159 
1160 u32 ivpu_hw_ip_ipc_rx_addr_get(struct ivpu_device *vdev)
1161 {
1162 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
1163 		return REGV_RD32(VPU_37XX_HOST_SS_TIM_IPC_FIFO_ATM);
1164 	else
1165 		return REGV_RD32(VPU_40XX_HOST_SS_TIM_IPC_FIFO_ATM);
1166 }
1167 
1168 void ivpu_hw_ip_ipc_tx_set(struct ivpu_device *vdev, u32 vpu_addr)
1169 {
1170 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
1171 		REGV_WR32(VPU_37XX_CPU_SS_TIM_IPC_FIFO, vpu_addr);
1172 	else
1173 		REGV_WR32(VPU_40XX_CPU_SS_TIM_IPC_FIFO, vpu_addr);
1174 }
1175