1/*
2 * Copyright 2018 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23#include <linux/firmware.h>
24#include <linux/module.h>
25#include <linux/vmalloc.h>
26#include <drm/drm_drv.h>
27
28#include "amdgpu.h"
29#include "amdgpu_psp.h"
30#include "amdgpu_ras.h"
31#include "amdgpu_ucode.h"
32#include "soc15_common.h"
33#include "psp_v11_0.h"
34
35#include "mp/mp_11_0_offset.h"
36#include "mp/mp_11_0_sh_mask.h"
37#include "gc/gc_9_0_offset.h"
38#include "sdma0/sdma0_4_0_offset.h"
39#include "nbio/nbio_7_4_offset.h"
40
41#include "oss/osssys_4_0_offset.h"
42#include "oss/osssys_4_0_sh_mask.h"
43
44MODULE_FIRMWARE("amdgpu/vega20_sos.bin");
45MODULE_FIRMWARE("amdgpu/vega20_asd.bin");
46MODULE_FIRMWARE("amdgpu/vega20_ta.bin");
47MODULE_FIRMWARE("amdgpu/navi10_sos.bin");
48MODULE_FIRMWARE("amdgpu/navi10_asd.bin");
49MODULE_FIRMWARE("amdgpu/navi10_ta.bin");
50MODULE_FIRMWARE("amdgpu/navi14_sos.bin");
51MODULE_FIRMWARE("amdgpu/navi14_asd.bin");
52MODULE_FIRMWARE("amdgpu/navi14_ta.bin");
53MODULE_FIRMWARE("amdgpu/navi12_sos.bin");
54MODULE_FIRMWARE("amdgpu/navi12_asd.bin");
55MODULE_FIRMWARE("amdgpu/navi12_ta.bin");
56MODULE_FIRMWARE("amdgpu/navi12_cap.bin");
57MODULE_FIRMWARE("amdgpu/arcturus_sos.bin");
58MODULE_FIRMWARE("amdgpu/arcturus_asd.bin");
59MODULE_FIRMWARE("amdgpu/arcturus_ta.bin");
60MODULE_FIRMWARE("amdgpu/sienna_cichlid_sos.bin");
61MODULE_FIRMWARE("amdgpu/sienna_cichlid_ta.bin");
62MODULE_FIRMWARE("amdgpu/sienna_cichlid_cap.bin");
63MODULE_FIRMWARE("amdgpu/navy_flounder_sos.bin");
64MODULE_FIRMWARE("amdgpu/navy_flounder_ta.bin");
65MODULE_FIRMWARE("amdgpu/vangogh_asd.bin");
66MODULE_FIRMWARE("amdgpu/vangogh_toc.bin");
67MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_sos.bin");
68MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_ta.bin");
69MODULE_FIRMWARE("amdgpu/beige_goby_sos.bin");
70MODULE_FIRMWARE("amdgpu/beige_goby_ta.bin");
71
72/* address block */
73#define smnMP1_FIRMWARE_FLAGS		0x3010024
74/* navi10 reg offset define */
75#define mmRLC_GPM_UCODE_ADDR_NV10	0x5b61
76#define mmRLC_GPM_UCODE_DATA_NV10	0x5b62
77#define mmSDMA0_UCODE_ADDR_NV10		0x5880
78#define mmSDMA0_UCODE_DATA_NV10		0x5881
79/* memory training timeout define */
80#define MEM_TRAIN_SEND_MSG_TIMEOUT_US	3000000
81
82/* For large FW files the time to complete can be very long */
83#define USBC_PD_POLLING_LIMIT_S 240
84
85/* Read USB-PD from LFB */
86#define GFX_CMD_USB_PD_USE_LFB 0x480
87
88static int psp_v11_0_init_microcode(struct psp_context *psp)
89{
90	struct amdgpu_device *adev = psp->adev;
91	char ucode_prefix[30];
92	int err = 0;
93
94	DRM_DEBUG("\n");
95
96	amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
97
98	switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) {
99	case IP_VERSION(11, 0, 2):
100	case IP_VERSION(11, 0, 4):
101		err = psp_init_sos_microcode(psp, ucode_prefix);
102		if (err)
103			return err;
104		err = psp_init_asd_microcode(psp, ucode_prefix);
105		if (err)
106			return err;
107		err = psp_init_ta_microcode(psp, ucode_prefix);
108		adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0;
109		break;
110	case IP_VERSION(11, 0, 0):
111	case IP_VERSION(11, 0, 5):
112	case IP_VERSION(11, 0, 9):
113		err = psp_init_sos_microcode(psp, ucode_prefix);
114		if (err)
115			return err;
116		err = psp_init_asd_microcode(psp, ucode_prefix);
117		if (err)
118			return err;
119		err = psp_init_ta_microcode(psp, ucode_prefix);
120		adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0;
121		break;
122	case IP_VERSION(11, 0, 7):
123	case IP_VERSION(11, 0, 11):
124	case IP_VERSION(11, 0, 12):
125	case IP_VERSION(11, 0, 13):
126		err = psp_init_sos_microcode(psp, ucode_prefix);
127		if (err)
128			return err;
129		err = psp_init_ta_microcode(psp, ucode_prefix);
130		break;
131	case IP_VERSION(11, 5, 0):
132		err = psp_init_asd_microcode(psp, ucode_prefix);
133		if (err)
134			return err;
135		err = psp_init_toc_microcode(psp, ucode_prefix);
136		break;
137	default:
138		BUG();
139	}
140
141	return err;
142}
143
144static int psp_v11_0_wait_for_bootloader(struct psp_context *psp)
145{
146	struct amdgpu_device *adev = psp->adev;
147
148	int ret;
149	int retry_loop;
150
151	for (retry_loop = 0; retry_loop < 10; retry_loop++) {
152		/* Wait for bootloader to signify that is
153		    ready having bit 31 of C2PMSG_35 set to 1 */
154		ret = psp_wait_for(psp,
155				   SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
156				   0x80000000,
157				   0x80000000,
158				   false);
159
160		if (ret == 0)
161			return 0;
162	}
163
164	return ret;
165}
166
167static bool psp_v11_0_is_sos_alive(struct psp_context *psp)
168{
169	struct amdgpu_device *adev = psp->adev;
170	uint32_t sol_reg;
171
172	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
173
174	return sol_reg != 0x0;
175}
176
177static int psp_v11_0_bootloader_load_component(struct psp_context  	*psp,
178					       struct psp_bin_desc 	*bin_desc,
179					       enum psp_bootloader_cmd  bl_cmd)
180{
181	int ret;
182	uint32_t psp_gfxdrv_command_reg = 0;
183	struct amdgpu_device *adev = psp->adev;
184
185	/* Check sOS sign of life register to confirm sys driver and sOS
186	 * are already been loaded.
187	 */
188	if (psp_v11_0_is_sos_alive(psp))
189		return 0;
190
191	ret = psp_v11_0_wait_for_bootloader(psp);
192	if (ret)
193		return ret;
194
195	/* Copy PSP System Driver binary to memory */
196	psp_copy_fw(psp, bin_desc->start_addr, bin_desc->size_bytes);
197
198	/* Provide the sys driver to bootloader */
199	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
200	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
201	psp_gfxdrv_command_reg = bl_cmd;
202	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
203	       psp_gfxdrv_command_reg);
204
205	ret = psp_v11_0_wait_for_bootloader(psp);
206
207	return ret;
208}
209
210static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
211{
212	return psp_v11_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE);
213}
214
215static int psp_v11_0_bootloader_load_spl(struct psp_context *psp)
216{
217	return psp_v11_0_bootloader_load_component(psp, &psp->spl, PSP_BL__LOAD_TOS_SPL_TABLE);
218}
219
220static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
221{
222	return psp_v11_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV);
223}
224
225static int psp_v11_0_bootloader_load_sos(struct psp_context *psp)
226{
227	int ret;
228	unsigned int psp_gfxdrv_command_reg = 0;
229	struct amdgpu_device *adev = psp->adev;
230
231	/* Check sOS sign of life register to confirm sys driver and sOS
232	 * are already been loaded.
233	 */
234	if (psp_v11_0_is_sos_alive(psp))
235		return 0;
236
237	ret = psp_v11_0_wait_for_bootloader(psp);
238	if (ret)
239		return ret;
240
241	/* Copy Secure OS binary to PSP memory */
242	psp_copy_fw(psp, psp->sos.start_addr, psp->sos.size_bytes);
243
244	/* Provide the PSP secure OS to bootloader */
245	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
246	       (uint32_t)(psp->fw_pri_mc_addr >> 20));
247	psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
248	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
249	       psp_gfxdrv_command_reg);
250
251	/* there might be handshake issue with hardware which needs delay */
252	mdelay(20);
253	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
254			   RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
255			   0, true);
256
257	return ret;
258}
259
260static int psp_v11_0_ring_stop(struct psp_context *psp,
261			      enum psp_ring_type ring_type)
262{
263	int ret = 0;
264	struct amdgpu_device *adev = psp->adev;
265
266	/* Write the ring destroy command*/
267	if (amdgpu_sriov_vf(adev))
268		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
269				     GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
270	else
271		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
272				     GFX_CTRL_CMD_ID_DESTROY_RINGS);
273
274	/* there might be handshake issue with hardware which needs delay */
275	mdelay(20);
276
277	/* Wait for response flag (bit 31) */
278	if (amdgpu_sriov_vf(adev))
279		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
280				   0x80000000, 0x80000000, false);
281	else
282		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
283				   0x80000000, 0x80000000, false);
284
285	return ret;
286}
287
288static int psp_v11_0_ring_create(struct psp_context *psp,
289				enum psp_ring_type ring_type)
290{
291	int ret = 0;
292	unsigned int psp_ring_reg = 0;
293	struct psp_ring *ring = &psp->km_ring;
294	struct amdgpu_device *adev = psp->adev;
295
296	if (amdgpu_sriov_vf(adev)) {
297		ring->ring_wptr = 0;
298		ret = psp_v11_0_ring_stop(psp, ring_type);
299		if (ret) {
300			DRM_ERROR("psp_v11_0_ring_stop_sriov failed!\n");
301			return ret;
302		}
303
304		/* Write low address of the ring to C2PMSG_102 */
305		psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
306		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
307		/* Write high address of the ring to C2PMSG_103 */
308		psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
309		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
310
311		/* Write the ring initialization command to C2PMSG_101 */
312		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
313					     GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
314
315		/* there might be handshake issue with hardware which needs delay */
316		mdelay(20);
317
318		/* Wait for response flag (bit 31) in C2PMSG_101 */
319		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
320				   0x80000000, 0x8000FFFF, false);
321
322	} else {
323		/* Wait for sOS ready for ring creation */
324		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
325				   0x80000000, 0x80000000, false);
326		if (ret) {
327			DRM_ERROR("Failed to wait for sOS ready for ring creation\n");
328			return ret;
329		}
330
331		/* Write low address of the ring to C2PMSG_69 */
332		psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
333		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
334		/* Write high address of the ring to C2PMSG_70 */
335		psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
336		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
337		/* Write size of ring to C2PMSG_71 */
338		psp_ring_reg = ring->ring_size;
339		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
340		/* Write the ring initialization command to C2PMSG_64 */
341		psp_ring_reg = ring_type;
342		psp_ring_reg = psp_ring_reg << 16;
343		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
344
345		/* there might be handshake issue with hardware which needs delay */
346		mdelay(20);
347
348		/* Wait for response flag (bit 31) in C2PMSG_64 */
349		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
350				   0x80000000, 0x8000FFFF, false);
351	}
352
353	return ret;
354}
355
356
357static int psp_v11_0_ring_destroy(struct psp_context *psp,
358				 enum psp_ring_type ring_type)
359{
360	int ret = 0;
361	struct psp_ring *ring = &psp->km_ring;
362	struct amdgpu_device *adev = psp->adev;
363
364	ret = psp_v11_0_ring_stop(psp, ring_type);
365	if (ret)
366		DRM_ERROR("Fail to stop psp ring\n");
367
368	amdgpu_bo_free_kernel(&adev->firmware.rbuf,
369			      &ring->ring_mem_mc_addr,
370			      (void **)&ring->ring_mem);
371
372	return ret;
373}
374
375static int psp_v11_0_mode1_reset(struct psp_context *psp)
376{
377	int ret;
378	uint32_t offset;
379	struct amdgpu_device *adev = psp->adev;
380
381	offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
382
383	ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
384
385	if (ret) {
386		DRM_INFO("psp is not working correctly before mode1 reset!\n");
387		return -EINVAL;
388	}
389
390	/*send the mode 1 reset command*/
391	WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
392
393	msleep(500);
394
395	offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
396
397	ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
398
399	if (ret) {
400		DRM_INFO("psp mode 1 reset failed!\n");
401		return -EINVAL;
402	}
403
404	DRM_INFO("psp mode1 reset succeed \n");
405
406	return 0;
407}
408
409static int psp_v11_0_memory_training_send_msg(struct psp_context *psp, int msg)
410{
411	int ret;
412	int i;
413	uint32_t data_32;
414	int max_wait;
415	struct amdgpu_device *adev = psp->adev;
416
417	data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20);
418	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, data_32);
419	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, msg);
420
421	max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout;
422	for (i = 0; i < max_wait; i++) {
423		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
424				   0x80000000, 0x80000000, false);
425		if (ret == 0)
426			break;
427	}
428	if (i < max_wait)
429		ret = 0;
430	else
431		ret = -ETIME;
432
433	DRM_DEBUG("training %s %s, cost %d @ %d ms\n",
434		  (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long",
435		  (ret == 0) ? "succeed" : "failed",
436		  i, adev->usec_timeout/1000);
437	return ret;
438}
439
440/*
441 * save and restore process
442 */
443static int psp_v11_0_memory_training(struct psp_context *psp, uint32_t ops)
444{
445	struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
446	uint32_t *pcache = (uint32_t *)ctx->sys_cache;
447	struct amdgpu_device *adev = psp->adev;
448	uint32_t p2c_header[4];
449	uint32_t sz;
450	void *buf;
451	int ret, idx;
452
453	if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) {
454		DRM_DEBUG("Memory training is not supported.\n");
455		return 0;
456	} else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) {
457		DRM_ERROR("Memory training initialization failure.\n");
458		return -EINVAL;
459	}
460
461	if (psp_v11_0_is_sos_alive(psp)) {
462		DRM_DEBUG("SOS is alive, skip memory training.\n");
463		return 0;
464	}
465
466	amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false);
467	DRM_DEBUG("sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n",
468		  pcache[0], pcache[1], pcache[2], pcache[3],
469		  p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]);
470
471	if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
472		DRM_DEBUG("Short training depends on restore.\n");
473		ops |= PSP_MEM_TRAIN_RESTORE;
474	}
475
476	if ((ops & PSP_MEM_TRAIN_RESTORE) &&
477	    pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
478		DRM_DEBUG("sys_cache[0] is invalid, restore depends on save.\n");
479		ops |= PSP_MEM_TRAIN_SAVE;
480	}
481
482	if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
483	    !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE &&
484	      pcache[3] == p2c_header[3])) {
485		DRM_DEBUG("sys_cache is invalid or out-of-date, need save training data to sys_cache.\n");
486		ops |= PSP_MEM_TRAIN_SAVE;
487	}
488
489	if ((ops & PSP_MEM_TRAIN_SAVE) &&
490	    p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) {
491		DRM_DEBUG("p2c_header[0] is invalid, save depends on long training.\n");
492		ops |= PSP_MEM_TRAIN_SEND_LONG_MSG;
493	}
494
495	if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
496		ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG;
497		ops |= PSP_MEM_TRAIN_SAVE;
498	}
499
500	DRM_DEBUG("Memory training ops:%x.\n", ops);
501
502	if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) {
503		/*
504		 * Long training will encroach a certain amount on the bottom of VRAM;
505		 * save the content from the bottom of VRAM to system memory
506		 * before training, and restore it after training to avoid
507		 * VRAM corruption.
508		 */
509		sz = BIST_MEM_TRAINING_ENCROACHED_SIZE;
510
511		if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) {
512			DRM_ERROR("visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n",
513				  adev->gmc.visible_vram_size,
514				  adev->mman.aper_base_kaddr);
515			return -EINVAL;
516		}
517
518		buf = vmalloc(sz);
519		if (!buf) {
520			DRM_ERROR("failed to allocate system memory.\n");
521			return -ENOMEM;
522		}
523
524		if (drm_dev_enter(adev_to_drm(adev), &idx)) {
525			memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz);
526			ret = psp_v11_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN);
527			if (ret) {
528				DRM_ERROR("Send long training msg failed.\n");
529				vfree(buf);
530				drm_dev_exit(idx);
531				return ret;
532			}
533
534			memcpy_toio(adev->mman.aper_base_kaddr, buf, sz);
535			adev->hdp.funcs->flush_hdp(adev, NULL);
536			vfree(buf);
537			drm_dev_exit(idx);
538		} else {
539			vfree(buf);
540			return -ENODEV;
541		}
542	}
543
544	if (ops & PSP_MEM_TRAIN_SAVE) {
545		amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false);
546	}
547
548	if (ops & PSP_MEM_TRAIN_RESTORE) {
549		amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true);
550	}
551
552	if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) {
553		ret = psp_v11_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ?
554							 PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN);
555		if (ret) {
556			DRM_ERROR("send training msg failed.\n");
557			return ret;
558		}
559	}
560	ctx->training_cnt++;
561	return 0;
562}
563
564static uint32_t psp_v11_0_ring_get_wptr(struct psp_context *psp)
565{
566	uint32_t data;
567	struct amdgpu_device *adev = psp->adev;
568
569	if (amdgpu_sriov_vf(adev))
570		data = psp->km_ring.ring_wptr;
571	else
572		data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
573
574	return data;
575}
576
577static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
578{
579	struct amdgpu_device *adev = psp->adev;
580
581	if (amdgpu_sriov_vf(adev)) {
582		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
583		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
584		psp->km_ring.ring_wptr = value;
585	} else
586		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
587}
588
589static int psp_v11_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr)
590{
591	struct amdgpu_device *adev = psp->adev;
592	uint32_t reg_status;
593	int ret, i = 0;
594
595	/*
596	 * LFB address which is aligned to 1MB address and has to be
597	 * right-shifted by 20 so that LFB address can be passed on a 32-bit C2P
598	 * register
599	 */
600	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20));
601
602	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
603			     0x80000000, 0x80000000, false);
604	if (ret)
605		return ret;
606
607	/* Fireup interrupt so PSP can pick up the address */
608	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, (GFX_CMD_USB_PD_USE_LFB << 16));
609
610	/* FW load takes very long time */
611	do {
612		msleep(1000);
613		reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35);
614
615		if (reg_status & 0x80000000)
616			goto done;
617
618	} while (++i < USBC_PD_POLLING_LIMIT_S);
619
620	return -ETIME;
621done:
622
623	if ((reg_status & 0xFFFF) != 0) {
624		DRM_ERROR("Address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = 0x%04x\n",
625				reg_status & 0xFFFF);
626		return -EIO;
627	}
628
629	return 0;
630}
631
632static int psp_v11_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver)
633{
634	struct amdgpu_device *adev = psp->adev;
635	int ret;
636
637	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER);
638
639	ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
640				     0x80000000, 0x80000000, false);
641	if (!ret)
642		*fw_ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36);
643
644	return ret;
645}
646
647static const struct psp_funcs psp_v11_0_funcs = {
648	.init_microcode = psp_v11_0_init_microcode,
649	.bootloader_load_kdb = psp_v11_0_bootloader_load_kdb,
650	.bootloader_load_spl = psp_v11_0_bootloader_load_spl,
651	.bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv,
652	.bootloader_load_sos = psp_v11_0_bootloader_load_sos,
653	.ring_create = psp_v11_0_ring_create,
654	.ring_stop = psp_v11_0_ring_stop,
655	.ring_destroy = psp_v11_0_ring_destroy,
656	.mode1_reset = psp_v11_0_mode1_reset,
657	.mem_training = psp_v11_0_memory_training,
658	.ring_get_wptr = psp_v11_0_ring_get_wptr,
659	.ring_set_wptr = psp_v11_0_ring_set_wptr,
660	.load_usbc_pd_fw = psp_v11_0_load_usbc_pd_fw,
661	.read_usbc_pd_fw = psp_v11_0_read_usbc_pd_fw
662};
663
664void psp_v11_0_set_psp_funcs(struct psp_context *psp)
665{
666	psp->funcs = &psp_v11_0_funcs;
667}
668