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
45 MODULE_FIRMWARE("amdgpu/vega10_sos.bin");
46 MODULE_FIRMWARE("amdgpu/vega10_asd.bin");
47 MODULE_FIRMWARE("amdgpu/vega10_cap.bin");
48 MODULE_FIRMWARE("amdgpu/vega12_sos.bin");
49 MODULE_FIRMWARE("amdgpu/vega12_asd.bin");
50
51
52 #define smnMP1_FIRMWARE_FLAGS 0x3010028
53
54 static int psp_v3_1_ring_stop(struct psp_context *psp,
55 enum psp_ring_type ring_type);
56
psp_v3_1_init_microcode(struct psp_context * psp)57 static int psp_v3_1_init_microcode(struct psp_context *psp)
58 {
59 struct amdgpu_device *adev = psp->adev;
60 char ucode_prefix[30];
61 int err = 0;
62
63 DRM_DEBUG("\n");
64
65 amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
66
67 err = psp_init_sos_microcode(psp, ucode_prefix);
68 if (err)
69 return err;
70
71 err = psp_init_asd_microcode(psp, ucode_prefix);
72 if (err)
73 return err;
74
75 return 0;
76 }
77
psp_v3_1_bootloader_load_sysdrv(struct psp_context * psp)78 static int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
79 {
80 int ret;
81 uint32_t psp_gfxdrv_command_reg = 0;
82 struct amdgpu_device *adev = psp->adev;
83 uint32_t sol_reg;
84
85 /* Check sOS sign of life register to confirm sys driver and sOS
86 * are already been loaded.
87 */
88 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
89 if (sol_reg)
90 return 0;
91
92 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
93 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
94 0x80000000, 0x80000000, false);
95 if (ret)
96 return ret;
97
98 /* Copy PSP System Driver binary to memory */
99 psp_copy_fw(psp, psp->sys.start_addr, psp->sys.size_bytes);
100
101 /* Provide the sys driver to bootloader */
102 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
103 (uint32_t)(psp->fw_pri_mc_addr >> 20));
104 psp_gfxdrv_command_reg = PSP_BL__LOAD_SYSDRV;
105 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
106 psp_gfxdrv_command_reg);
107
108 /* there might be handshake issue with hardware which needs delay */
109 mdelay(20);
110
111 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
112 0x80000000, 0x80000000, false);
113
114 return ret;
115 }
116
psp_v3_1_bootloader_load_sos(struct psp_context * psp)117 static int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
118 {
119 int ret;
120 unsigned int psp_gfxdrv_command_reg = 0;
121 struct amdgpu_device *adev = psp->adev;
122 uint32_t sol_reg;
123
124 /* Check sOS sign of life register to confirm sys driver and sOS
125 * are already been loaded.
126 */
127 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
128 if (sol_reg)
129 return 0;
130
131 /* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
132 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
133 0x80000000, 0x80000000, false);
134 if (ret)
135 return ret;
136
137 /* Copy Secure OS binary to PSP memory */
138 psp_copy_fw(psp, psp->sos.start_addr, psp->sos.size_bytes);
139
140 /* Provide the PSP secure OS to bootloader */
141 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
142 (uint32_t)(psp->fw_pri_mc_addr >> 20));
143 psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV;
144 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
145 psp_gfxdrv_command_reg);
146
147 /* there might be handshake issue with hardware which needs delay */
148 mdelay(20);
149 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
150 RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
151 0, true);
152 return ret;
153 }
154
psp_v3_1_reroute_ih(struct psp_context * psp)155 static void psp_v3_1_reroute_ih(struct psp_context *psp)
156 {
157 struct amdgpu_device *adev = psp->adev;
158 uint32_t tmp;
159
160 /* Change IH ring for VMC */
161 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
162 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
163 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
164
165 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3);
166 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
167 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
168
169 mdelay(20);
170 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
171 0x80000000, 0x8000FFFF, false);
172
173 /* Change IH ring for UMC */
174 tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b);
175 tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
176
177 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4);
178 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
179 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
180
181 mdelay(20);
182 psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
183 0x80000000, 0x8000FFFF, false);
184 }
185
psp_v3_1_ring_create(struct psp_context * psp,enum psp_ring_type ring_type)186 static int psp_v3_1_ring_create(struct psp_context *psp,
187 enum psp_ring_type ring_type)
188 {
189 int ret = 0;
190 unsigned int psp_ring_reg = 0;
191 struct psp_ring *ring = &psp->km_ring;
192 struct amdgpu_device *adev = psp->adev;
193
194 psp_v3_1_reroute_ih(psp);
195
196 if (amdgpu_sriov_vf(adev)) {
197 ring->ring_wptr = 0;
198 ret = psp_v3_1_ring_stop(psp, ring_type);
199 if (ret) {
200 DRM_ERROR("psp_v3_1_ring_stop_sriov failed!\n");
201 return ret;
202 }
203
204 /* Write low address of the ring to C2PMSG_102 */
205 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
206 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
207 /* Write high address of the ring to C2PMSG_103 */
208 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
209 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
210 /* No size initialization for sriov */
211 /* Write the ring initialization command to C2PMSG_101 */
212 psp_ring_reg = ring_type;
213 psp_ring_reg = psp_ring_reg << 16;
214 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, psp_ring_reg);
215
216 /* there might be hardware handshake issue which needs delay */
217 mdelay(20);
218
219 /* Wait for response flag (bit 31) in C2PMSG_101 */
220 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0,
221 mmMP0_SMN_C2PMSG_101), 0x80000000,
222 0x8000FFFF, false);
223 } else {
224
225 /* Write low address of the ring to C2PMSG_69 */
226 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
227 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
228 /* Write high address of the ring to C2PMSG_70 */
229 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
230 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
231 /* Write size of ring to C2PMSG_71 */
232 psp_ring_reg = ring->ring_size;
233 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
234 /* Write the ring initialization command to C2PMSG_64 */
235 psp_ring_reg = ring_type;
236 psp_ring_reg = psp_ring_reg << 16;
237 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
238
239 /* there might be hardware handshake issue which needs delay */
240 mdelay(20);
241
242 /* Wait for response flag (bit 31) in C2PMSG_64 */
243 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0,
244 mmMP0_SMN_C2PMSG_64), 0x80000000,
245 0x8000FFFF, false);
246
247 }
248 return ret;
249 }
250
psp_v3_1_ring_stop(struct psp_context * psp,enum psp_ring_type ring_type)251 static int psp_v3_1_ring_stop(struct psp_context *psp,
252 enum psp_ring_type ring_type)
253 {
254 int ret = 0;
255 struct amdgpu_device *adev = psp->adev;
256
257 /* Write the ring destroy command*/
258 if (amdgpu_sriov_vf(adev))
259 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
260 GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
261 else
262 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
263 GFX_CTRL_CMD_ID_DESTROY_RINGS);
264
265 /* there might be handshake issue with hardware which needs delay */
266 mdelay(20);
267
268 /* Wait for response flag (bit 31) */
269 if (amdgpu_sriov_vf(adev))
270 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
271 0x80000000, 0x80000000, false);
272 else
273 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
274 0x80000000, 0x80000000, false);
275
276 return ret;
277 }
278
psp_v3_1_ring_destroy(struct psp_context * psp,enum psp_ring_type ring_type)279 static int psp_v3_1_ring_destroy(struct psp_context *psp,
280 enum psp_ring_type ring_type)
281 {
282 int ret = 0;
283 struct psp_ring *ring = &psp->km_ring;
284 struct amdgpu_device *adev = psp->adev;
285
286 ret = psp_v3_1_ring_stop(psp, ring_type);
287 if (ret)
288 DRM_ERROR("Fail to stop psp ring\n");
289
290 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
291 &ring->ring_mem_mc_addr,
292 (void **)&ring->ring_mem);
293
294 return ret;
295 }
296
psp_v3_1_smu_reload_quirk(struct psp_context * psp)297 static bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
298 {
299 struct amdgpu_device *adev = psp->adev;
300 uint32_t reg;
301
302 reg = RREG32_PCIE(smnMP1_FIRMWARE_FLAGS | 0x03b00000);
303 return (reg & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) ? true : false;
304 }
305
psp_v3_1_mode1_reset(struct psp_context * psp)306 static int psp_v3_1_mode1_reset(struct psp_context *psp)
307 {
308 int ret;
309 uint32_t offset;
310 struct amdgpu_device *adev = psp->adev;
311
312 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
313
314 ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
315
316 if (ret) {
317 DRM_INFO("psp is not working correctly before mode1 reset!\n");
318 return -EINVAL;
319 }
320
321 /*send the mode 1 reset command*/
322 WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
323
324 msleep(500);
325
326 offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
327
328 ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
329
330 if (ret) {
331 DRM_INFO("psp mode 1 reset failed!\n");
332 return -EINVAL;
333 }
334
335 DRM_INFO("psp mode1 reset succeed \n");
336
337 return 0;
338 }
339
psp_v3_1_ring_get_wptr(struct psp_context * psp)340 static uint32_t psp_v3_1_ring_get_wptr(struct psp_context *psp)
341 {
342 uint32_t data;
343 struct amdgpu_device *adev = psp->adev;
344
345 if (amdgpu_sriov_vf(adev))
346 data = psp->km_ring.ring_wptr;
347 else
348 data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
349 return data;
350 }
351
psp_v3_1_ring_set_wptr(struct psp_context * psp,uint32_t value)352 static void psp_v3_1_ring_set_wptr(struct psp_context *psp, uint32_t value)
353 {
354 struct amdgpu_device *adev = psp->adev;
355
356 if (amdgpu_sriov_vf(adev)) {
357 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
358 /* send interrupt to PSP for SRIOV ring write pointer update */
359 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
360 GFX_CTRL_CMD_ID_CONSUME_CMD);
361 psp->km_ring.ring_wptr = value;
362 } else
363 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
364 }
365
366 static const struct psp_funcs psp_v3_1_funcs = {
367 .init_microcode = psp_v3_1_init_microcode,
368 .bootloader_load_sysdrv = psp_v3_1_bootloader_load_sysdrv,
369 .bootloader_load_sos = psp_v3_1_bootloader_load_sos,
370 .ring_create = psp_v3_1_ring_create,
371 .ring_stop = psp_v3_1_ring_stop,
372 .ring_destroy = psp_v3_1_ring_destroy,
373 .smu_reload_quirk = psp_v3_1_smu_reload_quirk,
374 .mode1_reset = psp_v3_1_mode1_reset,
375 .ring_get_wptr = psp_v3_1_ring_get_wptr,
376 .ring_set_wptr = psp_v3_1_ring_set_wptr,
377 };
378
psp_v3_1_set_psp_funcs(struct psp_context * psp)379 void psp_v3_1_set_psp_funcs(struct psp_context *psp)
380 {
381 psp->funcs = &psp_v3_1_funcs;
382 }
383