2 * Copyright 2019 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include <linux/firmware.h>
26 #include "soc15_common.h"
28 #include "gc/gc_10_1_0_offset.h"
29 #include "gc/gc_10_1_0_sh_mask.h"
31 MODULE_FIRMWARE("amdgpu/navi10_mes.bin");
33 static int mes_v10_1_add_hw_queue(struct amdgpu_mes *mes,
34 struct mes_add_queue_input *input)
39 static int mes_v10_1_remove_hw_queue(struct amdgpu_mes *mes,
40 struct mes_remove_queue_input *input)
45 static int mes_v10_1_suspend_gang(struct amdgpu_mes *mes,
46 struct mes_suspend_gang_input *input)
51 static int mes_v10_1_resume_gang(struct amdgpu_mes *mes,
52 struct mes_resume_gang_input *input)
57 static const struct amdgpu_mes_funcs mes_v10_1_funcs = {
58 .add_hw_queue = mes_v10_1_add_hw_queue,
59 .remove_hw_queue = mes_v10_1_remove_hw_queue,
60 .suspend_gang = mes_v10_1_suspend_gang,
61 .resume_gang = mes_v10_1_resume_gang,
64 static int mes_v10_1_init_microcode(struct amdgpu_device *adev)
66 const char *chip_name;
69 const struct mes_firmware_header_v1_0 *mes_hdr;
71 switch (adev->asic_type) {
79 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes.bin", chip_name);
80 err = request_firmware(&adev->mes.fw, fw_name, adev->dev);
84 err = amdgpu_ucode_validate(adev->mes.fw);
86 release_firmware(adev->mes.fw);
91 mes_hdr = (const struct mes_firmware_header_v1_0 *)adev->mes.fw->data;
92 adev->mes.ucode_fw_version = le32_to_cpu(mes_hdr->mes_ucode_version);
93 adev->mes.ucode_fw_version =
94 le32_to_cpu(mes_hdr->mes_ucode_data_version);
95 adev->mes.uc_start_addr =
96 le32_to_cpu(mes_hdr->mes_uc_start_addr_lo) |
97 ((uint64_t)(le32_to_cpu(mes_hdr->mes_uc_start_addr_hi)) << 32);
98 adev->mes.data_start_addr =
99 le32_to_cpu(mes_hdr->mes_data_start_addr_lo) |
100 ((uint64_t)(le32_to_cpu(mes_hdr->mes_data_start_addr_hi)) << 32);
105 static void mes_v10_1_free_microcode(struct amdgpu_device *adev)
107 release_firmware(adev->mes.fw);
111 static int mes_v10_1_allocate_ucode_buffer(struct amdgpu_device *adev)
114 const struct mes_firmware_header_v1_0 *mes_hdr;
115 const __le32 *fw_data;
118 mes_hdr = (const struct mes_firmware_header_v1_0 *)
121 fw_data = (const __le32 *)(adev->mes.fw->data +
122 le32_to_cpu(mes_hdr->mes_ucode_offset_bytes));
123 fw_size = le32_to_cpu(mes_hdr->mes_ucode_size_bytes);
125 r = amdgpu_bo_create_reserved(adev, fw_size,
126 PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
127 &adev->mes.ucode_fw_obj,
128 &adev->mes.ucode_fw_gpu_addr,
129 (void **)&adev->mes.ucode_fw_ptr);
131 dev_err(adev->dev, "(%d) failed to create mes fw bo\n", r);
135 memcpy(adev->mes.ucode_fw_ptr, fw_data, fw_size);
137 amdgpu_bo_kunmap(adev->mes.ucode_fw_obj);
138 amdgpu_bo_unreserve(adev->mes.ucode_fw_obj);
143 static int mes_v10_1_allocate_ucode_data_buffer(struct amdgpu_device *adev)
146 const struct mes_firmware_header_v1_0 *mes_hdr;
147 const __le32 *fw_data;
150 mes_hdr = (const struct mes_firmware_header_v1_0 *)
153 fw_data = (const __le32 *)(adev->mes.fw->data +
154 le32_to_cpu(mes_hdr->mes_ucode_data_offset_bytes));
155 fw_size = le32_to_cpu(mes_hdr->mes_ucode_data_size_bytes);
157 r = amdgpu_bo_create_reserved(adev, fw_size,
158 64 * 1024, AMDGPU_GEM_DOMAIN_GTT,
159 &adev->mes.data_fw_obj,
160 &adev->mes.data_fw_gpu_addr,
161 (void **)&adev->mes.data_fw_ptr);
163 dev_err(adev->dev, "(%d) failed to create mes data fw bo\n", r);
167 memcpy(adev->mes.data_fw_ptr, fw_data, fw_size);
169 amdgpu_bo_kunmap(adev->mes.data_fw_obj);
170 amdgpu_bo_unreserve(adev->mes.data_fw_obj);
175 static void mes_v10_1_free_ucode_buffers(struct amdgpu_device *adev)
177 amdgpu_bo_free_kernel(&adev->mes.data_fw_obj,
178 &adev->mes.data_fw_gpu_addr,
179 (void **)&adev->mes.data_fw_ptr);
181 amdgpu_bo_free_kernel(&adev->mes.ucode_fw_obj,
182 &adev->mes.ucode_fw_gpu_addr,
183 (void **)&adev->mes.ucode_fw_ptr);
186 static void mes_v10_1_enable(struct amdgpu_device *adev, bool enable)
191 data = RREG32_SOC15(GC, 0, mmCP_MES_CNTL);
192 data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_RESET, 1);
193 WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);
195 /* set ucode start address */
196 WREG32_SOC15(GC, 0, mmCP_MES_PRGRM_CNTR_START,
197 (uint32_t)(adev->mes.uc_start_addr) >> 2);
199 /* clear BYPASS_UNCACHED to avoid hangs after interrupt. */
200 data = RREG32_SOC15(GC, 0, mmCP_MES_DC_OP_CNTL);
201 data = REG_SET_FIELD(data, CP_MES_DC_OP_CNTL,
203 WREG32_SOC15(GC, 0, mmCP_MES_DC_OP_CNTL, data);
205 /* unhalt MES and activate pipe0 */
206 data = REG_SET_FIELD(0, CP_MES_CNTL, MES_PIPE0_ACTIVE, 1);
207 WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);
209 data = RREG32_SOC15(GC, 0, mmCP_MES_CNTL);
210 data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_ACTIVE, 0);
211 data = REG_SET_FIELD(data, CP_MES_CNTL,
212 MES_INVALIDATE_ICACHE, 1);
213 data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_RESET, 1);
214 data = REG_SET_FIELD(data, CP_MES_CNTL, MES_HALT, 1);
215 WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);
219 /* This function is for backdoor MES firmware */
220 static int mes_v10_1_load_microcode(struct amdgpu_device *adev)
228 r = mes_v10_1_allocate_ucode_buffer(adev);
232 r = mes_v10_1_allocate_ucode_data_buffer(adev);
234 mes_v10_1_free_ucode_buffers(adev);
238 mes_v10_1_enable(adev, false);
240 WREG32_SOC15(GC, 0, mmCP_MES_IC_BASE_CNTL, 0);
242 mutex_lock(&adev->srbm_mutex);
243 /* me=3, pipe=0, queue=0 */
244 nv_grbm_select(adev, 3, 0, 0, 0);
246 /* set ucode start address */
247 WREG32_SOC15(GC, 0, mmCP_MES_PRGRM_CNTR_START,
248 (uint32_t)(adev->mes.uc_start_addr) >> 2);
250 /* set ucode fimrware address */
251 WREG32_SOC15(GC, 0, mmCP_MES_IC_BASE_LO,
252 lower_32_bits(adev->mes.ucode_fw_gpu_addr));
253 WREG32_SOC15(GC, 0, mmCP_MES_IC_BASE_HI,
254 upper_32_bits(adev->mes.ucode_fw_gpu_addr));
256 /* set ucode instruction cache boundary to 2M-1 */
257 WREG32_SOC15(GC, 0, mmCP_MES_MIBOUND_LO, 0x1FFFFF);
259 /* set ucode data firmware address */
260 WREG32_SOC15(GC, 0, mmCP_MES_MDBASE_LO,
261 lower_32_bits(adev->mes.data_fw_gpu_addr));
262 WREG32_SOC15(GC, 0, mmCP_MES_MDBASE_HI,
263 upper_32_bits(adev->mes.data_fw_gpu_addr));
265 /* Set 0x3FFFF (256K-1) to CP_MES_MDBOUND_LO */
266 WREG32_SOC15(GC, 0, mmCP_MES_MDBOUND_LO, 0x3FFFF);
268 /* invalidate ICACHE */
269 data = RREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL);
270 data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
271 data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
272 WREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL, data);
274 /* prime the ICACHE. */
275 data = RREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL);
276 data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
277 WREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL, data);
279 nv_grbm_select(adev, 0, 0, 0, 0);
280 mutex_unlock(&adev->srbm_mutex);
285 static int mes_v10_1_sw_init(void *handle)
288 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
290 r = mes_v10_1_init_microcode(adev);
297 static int mes_v10_1_sw_fini(void *handle)
299 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
301 mes_v10_1_free_microcode(adev);
306 static int mes_v10_1_hw_init(void *handle)
309 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
311 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
312 r = mes_v10_1_load_microcode(adev);
314 DRM_ERROR("failed to MES fw, r=%d\n", r);
318 DRM_ERROR("only support direct fw loading on MES\n");
322 mes_v10_1_enable(adev, true);
327 static int mes_v10_1_hw_fini(void *handle)
329 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
331 mes_v10_1_enable(adev, false);
333 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT)
334 mes_v10_1_free_ucode_buffers(adev);
339 static int mes_v10_1_suspend(void *handle)
344 static int mes_v10_1_resume(void *handle)
349 static const struct amd_ip_funcs mes_v10_1_ip_funcs = {
351 .sw_init = mes_v10_1_sw_init,
352 .sw_fini = mes_v10_1_sw_fini,
353 .hw_init = mes_v10_1_hw_init,
354 .hw_fini = mes_v10_1_hw_fini,
355 .suspend = mes_v10_1_suspend,
356 .resume = mes_v10_1_resume,
359 const struct amdgpu_ip_block_version mes_v10_1_ip_block = {
360 .type = AMD_IP_BLOCK_TYPE_MES,
364 .funcs = &mes_v10_1_ip_funcs,