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1/*
2 * Copyright 2016 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 * Author: Huang Rui
23 *
24 */
25
26#include <linux/firmware.h>
27#include <linux/module.h>
28#include <linux/pci.h>
29
30#include "amdgpu.h"
31#include "amdgpu_psp.h"
32#include "amdgpu_ucode.h"
33#include "soc15_common.h"
34#include "psp_v3_1.h"
35
36#include "mp/mp_9_0_offset.h"
37#include "mp/mp_9_0_sh_mask.h"
38#include "gc/gc_9_0_offset.h"
39#include "sdma0/sdma0_4_0_offset.h"
40#include "nbio/nbio_6_1_offset.h"
41
42#include "oss/osssys_4_0_offset.h"
43#include "oss/osssys_4_0_sh_mask.h"
44
45MODULE_FIRMWARE("amdgpu/vega10_sos.bin");
46MODULE_FIRMWARE("amdgpu/vega10_asd.bin");
47MODULE_FIRMWARE("amdgpu/vega12_sos.bin");
48MODULE_FIRMWARE("amdgpu/vega12_asd.bin");
49
50
51#define smnMP1_FIRMWARE_FLAGS 0x3010028
52
53static int psp_v3_1_ring_stop(struct psp_context *psp,
54 enum psp_ring_type ring_type);
55
56static int psp_v3_1_init_microcode(struct psp_context *psp)
57{
58 struct amdgpu_device *adev = psp->adev;
59 const char *chip_name;
60 int err = 0;
61
62 DRM_DEBUG("\n");
63
64 switch (adev->asic_type) {
65 case CHIP_VEGA10:
66 chip_name = "vega10";
67 break;
68 case CHIP_VEGA12:
69 chip_name = "vega12";
70 break;
71 default: BUG();
72 }
73
74 err = psp_init_sos_microcode(psp, chip_name);
75 if (err)
76 return err;
77
78 err = psp_init_asd_microcode(psp, chip_name);
79 if (err)
80 return err;
81
82 return 0;
83}
84
85static int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
86{
87 int ret;
88 uint32_t psp_gfxdrv_command_reg = 0;
89 struct amdgpu_device *adev = psp->adev;
90 uint32_t sol_reg;
91
92 /* Check sOS sign of life register to confirm sys driver and sOS
93 * are already been loaded.
94 */
95 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
96 if (sol_reg)
97 return 0;
98
99 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
100 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
101 0x80000000, 0x80000000, false);
102 if (ret)
103 return ret;
104
105 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
106
107 /* Copy PSP System Driver binary to memory */
108 memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
109
110 /* Provide the sys driver to bootloader */
111 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
112 (uint32_t)(psp->fw_pri_mc_addr >> 20));
113 psp_gfxdrv_command_reg = PSP_BL__LOAD_SYSDRV;
114 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
115 psp_gfxdrv_command_reg);
116
117 /* there might be handshake issue with hardware which needs delay */
118 mdelay(20);
119
120 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
121 0x80000000, 0x80000000, false);
122
123 return ret;
124}
125
126static int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
127{
128 int ret;
129 unsigned int psp_gfxdrv_command_reg = 0;
130 struct amdgpu_device *adev = psp->adev;
131 uint32_t sol_reg;
132
133 /* Check sOS sign of life register to confirm sys driver and sOS
134 * are already been loaded.
135 */
136 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
137 if (sol_reg)
138 return 0;
139
140 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
141 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
142 0x80000000, 0x80000000, false);
143 if (ret)
144 return ret;
145
146 memset(psp->fw_pri_buf, 0, PSP_1_MEG);
147
148 /* Copy Secure OS binary to PSP memory */
149 memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
150
151 /* Provide the PSP secure OS to bootloader */
152 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
153 (uint32_t)(psp->fw_pri_mc_addr >> 20));
154 psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
155 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
156 psp_gfxdrv_command_reg);
157
158 /* there might be handshake issue with hardware which needs delay */
159 mdelay(20);
160 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
161 RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
162 0, true);
163 return ret;
164}
165
166static int psp_v3_1_ring_init(struct psp_context *psp,
167 enum psp_ring_type ring_type)
168{
169 int ret = 0;
170 struct psp_ring *ring;
171 struct amdgpu_device *adev = psp->adev;
172
173 ring = &psp->km_ring;
174
175 ring->ring_type = ring_type;
176
177 /* allocate 4k Page of Local Frame Buffer memory for ring */
178 ring->ring_size = 0x1000;
179 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
180 AMDGPU_GEM_DOMAIN_VRAM,
181 &adev->firmware.rbuf,
182 &ring->ring_mem_mc_addr,
183 (void **)&ring->ring_mem);
184 if (ret) {
185 ring->ring_size = 0;
186 return ret;
187 }
188
189 return 0;
190}
191
192static void psp_v3_1_reroute_ih(struct psp_context *psp)
193{
194 struct amdgpu_device *adev = psp->adev;
195 uint32_t tmp;
196
197 /* Change IH ring for VMC */
198 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
199 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
200 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
201
202 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3);
203 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
204 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
205
206 mdelay(20);
207 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
208 0x80000000, 0x8000FFFF, false);
209
210 /* Change IH ring for UMC */
211 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b);
212 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
213
214 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4);
215 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
216 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
217
218 mdelay(20);
219 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
220 0x80000000, 0x8000FFFF, false);
221}
222
223static int psp_v3_1_ring_create(struct psp_context *psp,
224 enum psp_ring_type ring_type)
225{
226 int ret = 0;
227 unsigned int psp_ring_reg = 0;
228 struct psp_ring *ring = &psp->km_ring;
229 struct amdgpu_device *adev = psp->adev;
230
231 psp_v3_1_reroute_ih(psp);
232
233 if (amdgpu_sriov_vf(adev)) {
234 ret = psp_v3_1_ring_stop(psp, ring_type);
235 if (ret) {
236 DRM_ERROR("psp_v3_1_ring_stop_sriov failed!\n");
237 return ret;
238 }
239
240 /* Write low address of the ring to C2PMSG_102 */
241 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
242 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
243 /* Write high address of the ring to C2PMSG_103 */
244 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
245 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
246 /* No size initialization for sriov */
247 /* Write the ring initialization command to C2PMSG_101 */
248 psp_ring_reg = ring_type;
249 psp_ring_reg = psp_ring_reg << 16;
250 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, psp_ring_reg);
251
252 /* there might be hardware handshake issue which needs delay */
253 mdelay(20);
254
255 /* Wait for response flag (bit 31) in C2PMSG_101 */
256 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0,
257 mmMP0_SMN_C2PMSG_101), 0x80000000,
258 0x8000FFFF, false);
259 } else {
260
261 /* Write low address of the ring to C2PMSG_69 */
262 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
263 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
264 /* Write high address of the ring to C2PMSG_70 */
265 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
266 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
267 /* Write size of ring to C2PMSG_71 */
268 psp_ring_reg = ring->ring_size;
269 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
270 /* Write the ring initialization command to C2PMSG_64 */
271 psp_ring_reg = ring_type;
272 psp_ring_reg = psp_ring_reg << 16;
273 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
274
275 /* there might be hardware handshake issue which needs delay */
276 mdelay(20);
277
278 /* Wait for response flag (bit 31) in C2PMSG_64 */
279 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0,
280 mmMP0_SMN_C2PMSG_64), 0x80000000,
281 0x8000FFFF, false);
282
283 }
284 return ret;
285}
286
287static int psp_v3_1_ring_stop(struct psp_context *psp,
288 enum psp_ring_type ring_type)
289{
290 int ret = 0;
291 struct amdgpu_device *adev = psp->adev;
292
293 /* Write the ring destroy command*/
294 if (amdgpu_sriov_vf(adev))
295 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
296 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
297 else
298 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
299 GFX_CTRL_CMD_ID_DESTROY_RINGS);
300
301 /* there might be handshake issue with hardware which needs delay */
302 mdelay(20);
303
304 /* Wait for response flag (bit 31) */
305 if (amdgpu_sriov_vf(adev))
306 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
307 0x80000000, 0x80000000, false);
308 else
309 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
310 0x80000000, 0x80000000, false);
311
312 return ret;
313}
314
315static int psp_v3_1_ring_destroy(struct psp_context *psp,
316 enum psp_ring_type ring_type)
317{
318 int ret = 0;
319 struct psp_ring *ring = &psp->km_ring;
320 struct amdgpu_device *adev = psp->adev;
321
322 ret = psp_v3_1_ring_stop(psp, ring_type);
323 if (ret)
324 DRM_ERROR("Fail to stop psp ring\n");
325
326 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
327 &ring->ring_mem_mc_addr,
328 (void **)&ring->ring_mem);
329
330 return ret;
331}
332
333static bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
334{
335 struct amdgpu_device *adev = psp->adev;
336 uint32_t reg;
337
338 reg = RREG32_PCIE(smnMP1_FIRMWARE_FLAGS | 0x03b00000);
339 return (reg & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) ? true : false;
340}
341
342static int psp_v3_1_mode1_reset(struct psp_context *psp)
343{
344 int ret;
345 uint32_t offset;
346 struct amdgpu_device *adev = psp->adev;
347
348 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
349
350 ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
351
352 if (ret) {
353 DRM_INFO("psp is not working correctly before mode1 reset!\n");
354 return -EINVAL;
355 }
356
357 /*send the mode 1 reset command*/
358 WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
359
360 msleep(500);
361
362 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
363
364 ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
365
366 if (ret) {
367 DRM_INFO("psp mode 1 reset failed!\n");
368 return -EINVAL;
369 }
370
371 DRM_INFO("psp mode1 reset succeed \n");
372
373 return 0;
374}
375
376static uint32_t psp_v3_1_ring_get_wptr(struct psp_context *psp)
377{
378 uint32_t data;
379 struct amdgpu_device *adev = psp->adev;
380
381 if (amdgpu_sriov_vf(adev))
382 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
383 else
384 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
385 return data;
386}
387
388static void psp_v3_1_ring_set_wptr(struct psp_context *psp, uint32_t value)
389{
390 struct amdgpu_device *adev = psp->adev;
391
392 if (amdgpu_sriov_vf(adev)) {
393 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
394 /* send interrupt to PSP for SRIOV ring write pointer update */
395 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
396 GFX_CTRL_CMD_ID_CONSUME_CMD);
397 } else
398 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
399}
400
401static const struct psp_funcs psp_v3_1_funcs = {
402 .init_microcode = psp_v3_1_init_microcode,
403 .bootloader_load_sysdrv = psp_v3_1_bootloader_load_sysdrv,
404 .bootloader_load_sos = psp_v3_1_bootloader_load_sos,
405 .ring_init = psp_v3_1_ring_init,
406 .ring_create = psp_v3_1_ring_create,
407 .ring_stop = psp_v3_1_ring_stop,
408 .ring_destroy = psp_v3_1_ring_destroy,
409 .smu_reload_quirk = psp_v3_1_smu_reload_quirk,
410 .mode1_reset = psp_v3_1_mode1_reset,
411 .ring_get_wptr = psp_v3_1_ring_get_wptr,
412 .ring_set_wptr = psp_v3_1_ring_set_wptr,
413};
414
415void psp_v3_1_set_psp_funcs(struct psp_context *psp)
416{
417 psp->funcs = &psp_v3_1_funcs;
418}