drivers/gpu/drm/amd/amdgpu/mes_v10_1.c - linux/torvalds/linux - Git at Google

 /*
  * Copyright 2019 Advanced Micro Devices, Inc.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  *
  */

 #include <linux/firmware.h>
 #include <linux/module.h>
 #include "amdgpu.h"
 #include "soc15_common.h"
 #include "nv.h"
 #include "gc/gc_10_1_0_offset.h"
 #include "gc/gc_10_1_0_sh_mask.h"

 MODULE_FIRMWARE("amdgpu/navi10_mes.bin");

 static int mes_v10_1_add_hw_queue(struct amdgpu_mes *mes,
 				  struct mes_add_queue_input *input)
 {
 	return 0;
 }

 static int mes_v10_1_remove_hw_queue(struct amdgpu_mes *mes,
 				     struct mes_remove_queue_input *input)
 {
 	return 0;
 }

 static int mes_v10_1_suspend_gang(struct amdgpu_mes *mes,
 				  struct mes_suspend_gang_input *input)
 {
 	return 0;
 }

 static int mes_v10_1_resume_gang(struct amdgpu_mes *mes,
 				 struct mes_resume_gang_input *input)
 {
 	return 0;
 }

 static const struct amdgpu_mes_funcs mes_v10_1_funcs = {
 	.add_hw_queue = mes_v10_1_add_hw_queue,
 	.remove_hw_queue = mes_v10_1_remove_hw_queue,
 	.suspend_gang = mes_v10_1_suspend_gang,
 	.resume_gang = mes_v10_1_resume_gang,
 };

 static int mes_v10_1_init_microcode(struct amdgpu_device *adev)
 {
 	const char *chip_name;
 	char fw_name[30];
 	int err;
 	const struct mes_firmware_header_v1_0 *mes_hdr;

 	switch (adev->asic_type) {
 	case CHIP_NAVI10:
 		chip_name = "navi10";
 		break;
 	default:
 		BUG();
 	}

 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes.bin", chip_name);
 	err = request_firmware(&adev->mes.fw, fw_name, adev->dev);
 	if (err)
 		return err;

 	err = amdgpu_ucode_validate(adev->mes.fw);
 	if (err) {
 		release_firmware(adev->mes.fw);
 		adev->mes.fw = NULL;
 		return err;
 	}

 	mes_hdr = (const struct mes_firmware_header_v1_0 *)adev->mes.fw->data;
 	adev->mes.ucode_fw_version = le32_to_cpu(mes_hdr->mes_ucode_version);
 	adev->mes.ucode_fw_version =
 		le32_to_cpu(mes_hdr->mes_ucode_data_version);
 	adev->mes.uc_start_addr =
 		le32_to_cpu(mes_hdr->mes_uc_start_addr_lo) |
 		((uint64_t)(le32_to_cpu(mes_hdr->mes_uc_start_addr_hi)) << 32);
 	adev->mes.data_start_addr =
 		le32_to_cpu(mes_hdr->mes_data_start_addr_lo) |
 		((uint64_t)(le32_to_cpu(mes_hdr->mes_data_start_addr_hi)) << 32);

 	return 0;
 }

 static void mes_v10_1_free_microcode(struct amdgpu_device *adev)
 {
 	release_firmware(adev->mes.fw);
 	adev->mes.fw = NULL;
 }

 static int mes_v10_1_allocate_ucode_buffer(struct amdgpu_device *adev)
 {
 	int r;
 	const struct mes_firmware_header_v1_0 *mes_hdr;
 	const __le32 *fw_data;
 	unsigned fw_size;

 	mes_hdr = (const struct mes_firmware_header_v1_0 *)
 		adev->mes.fw->data;

 	fw_data = (const __le32 *)(adev->mes.fw->data +
 		   le32_to_cpu(mes_hdr->mes_ucode_offset_bytes));
 	fw_size = le32_to_cpu(mes_hdr->mes_ucode_size_bytes);

 	r = amdgpu_bo_create_reserved(adev, fw_size,
 				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
 				      &adev->mes.ucode_fw_obj,
 				      &adev->mes.ucode_fw_gpu_addr,
 				      (void **)&adev->mes.ucode_fw_ptr);
 	if (r) {
 		dev_err(adev->dev, "(%d) failed to create mes fw bo\n", r);
 		return r;
 	}

 	memcpy(adev->mes.ucode_fw_ptr, fw_data, fw_size);

 	amdgpu_bo_kunmap(adev->mes.ucode_fw_obj);
 	amdgpu_bo_unreserve(adev->mes.ucode_fw_obj);

 	return 0;
 }

 static int mes_v10_1_allocate_ucode_data_buffer(struct amdgpu_device *adev)
 {
 	int r;
 	const struct mes_firmware_header_v1_0 *mes_hdr;
 	const __le32 *fw_data;
 	unsigned fw_size;

 	mes_hdr = (const struct mes_firmware_header_v1_0 *)
 		adev->mes.fw->data;

 	fw_data = (const __le32 *)(adev->mes.fw->data +
 		   le32_to_cpu(mes_hdr->mes_ucode_data_offset_bytes));
 	fw_size = le32_to_cpu(mes_hdr->mes_ucode_data_size_bytes);

 	r = amdgpu_bo_create_reserved(adev, fw_size,
 				      64 * 1024, AMDGPU_GEM_DOMAIN_GTT,
 				      &adev->mes.data_fw_obj,
 				      &adev->mes.data_fw_gpu_addr,
 				      (void **)&adev->mes.data_fw_ptr);
 	if (r) {
 		dev_err(adev->dev, "(%d) failed to create mes data fw bo\n", r);
 		return r;
 	}

 	memcpy(adev->mes.data_fw_ptr, fw_data, fw_size);

 	amdgpu_bo_kunmap(adev->mes.data_fw_obj);
 	amdgpu_bo_unreserve(adev->mes.data_fw_obj);

 	return 0;
 }

 static void mes_v10_1_free_ucode_buffers(struct amdgpu_device *adev)
 {
 	amdgpu_bo_free_kernel(&adev->mes.data_fw_obj,
 			      &adev->mes.data_fw_gpu_addr,
 			      (void **)&adev->mes.data_fw_ptr);

 	amdgpu_bo_free_kernel(&adev->mes.ucode_fw_obj,
 			      &adev->mes.ucode_fw_gpu_addr,
 			      (void **)&adev->mes.ucode_fw_ptr);
 }

 static void mes_v10_1_enable(struct amdgpu_device *adev, bool enable)
 {
 	uint32_t data = 0;

 	if (enable) {
 		data = RREG32_SOC15(GC, 0, mmCP_MES_CNTL);
 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_RESET, 1);
 		WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);

 		/* set ucode start address */
 		WREG32_SOC15(GC, 0, mmCP_MES_PRGRM_CNTR_START,
 			     (uint32_t)(adev->mes.uc_start_addr) >> 2);

 		/* clear BYPASS_UNCACHED to avoid hangs after interrupt. */
 		data = RREG32_SOC15(GC, 0, mmCP_MES_DC_OP_CNTL);
 		data = REG_SET_FIELD(data, CP_MES_DC_OP_CNTL,
 				     BYPASS_UNCACHED, 0);
 		WREG32_SOC15(GC, 0, mmCP_MES_DC_OP_CNTL, data);

 		/* unhalt MES and activate pipe0 */
 		data = REG_SET_FIELD(0, CP_MES_CNTL, MES_PIPE0_ACTIVE, 1);
 		WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);
 	} else {
 		data = RREG32_SOC15(GC, 0, mmCP_MES_CNTL);
 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_ACTIVE, 0);
 		data = REG_SET_FIELD(data, CP_MES_CNTL,
 				     MES_INVALIDATE_ICACHE, 1);
 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_RESET, 1);
 		data = REG_SET_FIELD(data, CP_MES_CNTL, MES_HALT, 1);
 		WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);
 	}
 }

 /* This function is for backdoor MES firmware */
 static int mes_v10_1_load_microcode(struct amdgpu_device *adev)
 {
 	int r;
 	uint32_t data;

 	if (!adev->mes.fw)
 		return -EINVAL;

 	r = mes_v10_1_allocate_ucode_buffer(adev);
 	if (r)
 		return r;

 	r = mes_v10_1_allocate_ucode_data_buffer(adev);
 	if (r) {
 		mes_v10_1_free_ucode_buffers(adev);
 		return r;
 	}

 	mes_v10_1_enable(adev, false);

 	WREG32_SOC15(GC, 0, mmCP_MES_IC_BASE_CNTL, 0);

 	mutex_lock(&adev->srbm_mutex);
 	/* me=3, pipe=0, queue=0 */
 	nv_grbm_select(adev, 3, 0, 0, 0);

 	/* set ucode start address */
 	WREG32_SOC15(GC, 0, mmCP_MES_PRGRM_CNTR_START,
 		     (uint32_t)(adev->mes.uc_start_addr) >> 2);

 	/* set ucode fimrware address */
 	WREG32_SOC15(GC, 0, mmCP_MES_IC_BASE_LO,
 		     lower_32_bits(adev->mes.ucode_fw_gpu_addr));
 	WREG32_SOC15(GC, 0, mmCP_MES_IC_BASE_HI,
 		     upper_32_bits(adev->mes.ucode_fw_gpu_addr));

 	/* set ucode instruction cache boundary to 2M-1 */
 	WREG32_SOC15(GC, 0, mmCP_MES_MIBOUND_LO, 0x1FFFFF);

 	/* set ucode data firmware address */
 	WREG32_SOC15(GC, 0, mmCP_MES_MDBASE_LO,
 		     lower_32_bits(adev->mes.data_fw_gpu_addr));
 	WREG32_SOC15(GC, 0, mmCP_MES_MDBASE_HI,
 		     upper_32_bits(adev->mes.data_fw_gpu_addr));

 	/* Set 0x3FFFF (256K-1) to CP_MES_MDBOUND_LO */
 	WREG32_SOC15(GC, 0, mmCP_MES_MDBOUND_LO, 0x3FFFF);

 	/* invalidate ICACHE */
 	data = RREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL);
 	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
 	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
 	WREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL, data);

 	/* prime the ICACHE. */
 	data = RREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL);
 	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
 	WREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL, data);

 	nv_grbm_select(adev, 0, 0, 0, 0);
 	mutex_unlock(&adev->srbm_mutex);

 	return 0;
 }

 static int mes_v10_1_sw_init(void *handle)
 {
 	int r;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

 	r = mes_v10_1_init_microcode(adev);
 	if (r)
 		return r;

 	return 0;
 }

 static int mes_v10_1_sw_fini(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

 	mes_v10_1_free_microcode(adev);

 	return 0;
 }

 static int mes_v10_1_hw_init(void *handle)
 {
 	int r;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
 		r = mes_v10_1_load_microcode(adev);
 		if (r) {
 			DRM_ERROR("failed to MES fw, r=%d\n", r);
 			return r;
 		}
 	} else {
 		DRM_ERROR("only support direct fw loading on MES\n");
 		return -EINVAL;
 	}

 	mes_v10_1_enable(adev, true);

 	return 0;
 }

 static int mes_v10_1_hw_fini(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

 	mes_v10_1_enable(adev, false);

 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT)
 		mes_v10_1_free_ucode_buffers(adev);

 	return 0;
 }

 static int mes_v10_1_suspend(void *handle)
 {
 	return 0;
 }

 static int mes_v10_1_resume(void *handle)
 {
 	return 0;
 }

 static const struct amd_ip_funcs mes_v10_1_ip_funcs = {
 	.name = "mes_v10_1",
 	.sw_init = mes_v10_1_sw_init,
 	.sw_fini = mes_v10_1_sw_fini,
 	.hw_init = mes_v10_1_hw_init,
 	.hw_fini = mes_v10_1_hw_fini,
 	.suspend = mes_v10_1_suspend,
 	.resume = mes_v10_1_resume,
 };

 const struct amdgpu_ip_block_version mes_v10_1_ip_block = {
 	.type = AMD_IP_BLOCK_TYPE_MES,
 	.major = 10,
 	.minor = 1,
 	.rev = 0,
 	.funcs = &mes_v10_1_ip_funcs,
 };
	/*
	* Copyright 2019 Advanced Micro Devices, Inc.
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice shall be included in
	* all copies or substantial portions of the Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	* OTHER DEALINGS IN THE SOFTWARE.
	*
	*/

	#include <linux/firmware.h>
	#include <linux/module.h>
	#include "amdgpu.h"
	#include "soc15_common.h"
	#include "nv.h"
	#include "gc/gc_10_1_0_offset.h"
	#include "gc/gc_10_1_0_sh_mask.h"

	MODULE_FIRMWARE("amdgpu/navi10_mes.bin");

	static int mes_v10_1_add_hw_queue(struct amdgpu_mes *mes,
	struct mes_add_queue_input *input)
	{
	return 0;
	}

	static int mes_v10_1_remove_hw_queue(struct amdgpu_mes *mes,
	struct mes_remove_queue_input *input)
	{
	return 0;
	}

	static int mes_v10_1_suspend_gang(struct amdgpu_mes *mes,
	struct mes_suspend_gang_input *input)
	{
	return 0;
	}

	static int mes_v10_1_resume_gang(struct amdgpu_mes *mes,
	struct mes_resume_gang_input *input)
	{
	return 0;
	}

	static const struct amdgpu_mes_funcs mes_v10_1_funcs = {
	.add_hw_queue = mes_v10_1_add_hw_queue,
	.remove_hw_queue = mes_v10_1_remove_hw_queue,
	.suspend_gang = mes_v10_1_suspend_gang,
	.resume_gang = mes_v10_1_resume_gang,
	};

	static int mes_v10_1_init_microcode(struct amdgpu_device *adev)
	{
	const char *chip_name;
	char fw_name[30];
	int err;
	const struct mes_firmware_header_v1_0 *mes_hdr;

	switch (adev->asic_type) {
	case CHIP_NAVI10:
	chip_name = "navi10";
	break;
	default:
	BUG();
	}

	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes.bin", chip_name);
	err = request_firmware(&adev->mes.fw, fw_name, adev->dev);
	if (err)
	return err;

	err = amdgpu_ucode_validate(adev->mes.fw);
	if (err) {
	release_firmware(adev->mes.fw);
	adev->mes.fw = NULL;
	return err;
	}

	mes_hdr = (const struct mes_firmware_header_v1_0 *)adev->mes.fw->data;
	adev->mes.ucode_fw_version = le32_to_cpu(mes_hdr->mes_ucode_version);
	adev->mes.ucode_fw_version =
	le32_to_cpu(mes_hdr->mes_ucode_data_version);
	adev->mes.uc_start_addr =
	le32_to_cpu(mes_hdr->mes_uc_start_addr_lo) \|
	((uint64_t)(le32_to_cpu(mes_hdr->mes_uc_start_addr_hi)) << 32);
	adev->mes.data_start_addr =
	le32_to_cpu(mes_hdr->mes_data_start_addr_lo) \|
	((uint64_t)(le32_to_cpu(mes_hdr->mes_data_start_addr_hi)) << 32);

	return 0;
	}

	static void mes_v10_1_free_microcode(struct amdgpu_device *adev)
	{
	release_firmware(adev->mes.fw);
	adev->mes.fw = NULL;
	}

	static int mes_v10_1_allocate_ucode_buffer(struct amdgpu_device *adev)
	{
	int r;
	const struct mes_firmware_header_v1_0 *mes_hdr;
	const __le32 *fw_data;
	unsigned fw_size;

	mes_hdr = (const struct mes_firmware_header_v1_0 *)
	adev->mes.fw->data;

	fw_data = (const __le32 *)(adev->mes.fw->data +
	le32_to_cpu(mes_hdr->mes_ucode_offset_bytes));
	fw_size = le32_to_cpu(mes_hdr->mes_ucode_size_bytes);

	r = amdgpu_bo_create_reserved(adev, fw_size,
	PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
	&adev->mes.ucode_fw_obj,
	&adev->mes.ucode_fw_gpu_addr,
	(void **)&adev->mes.ucode_fw_ptr);
	if (r) {
	dev_err(adev->dev, "(%d) failed to create mes fw bo\n", r);
	return r;
	}

	memcpy(adev->mes.ucode_fw_ptr, fw_data, fw_size);

	amdgpu_bo_kunmap(adev->mes.ucode_fw_obj);
	amdgpu_bo_unreserve(adev->mes.ucode_fw_obj);

	return 0;
	}

	static int mes_v10_1_allocate_ucode_data_buffer(struct amdgpu_device *adev)
	{
	int r;
	const struct mes_firmware_header_v1_0 *mes_hdr;
	const __le32 *fw_data;
	unsigned fw_size;

	mes_hdr = (const struct mes_firmware_header_v1_0 *)
	adev->mes.fw->data;

	fw_data = (const __le32 *)(adev->mes.fw->data +
	le32_to_cpu(mes_hdr->mes_ucode_data_offset_bytes));
	fw_size = le32_to_cpu(mes_hdr->mes_ucode_data_size_bytes);

	r = amdgpu_bo_create_reserved(adev, fw_size,
	64 * 1024, AMDGPU_GEM_DOMAIN_GTT,
	&adev->mes.data_fw_obj,
	&adev->mes.data_fw_gpu_addr,
	(void **)&adev->mes.data_fw_ptr);
	if (r) {
	dev_err(adev->dev, "(%d) failed to create mes data fw bo\n", r);
	return r;
	}

	memcpy(adev->mes.data_fw_ptr, fw_data, fw_size);

	amdgpu_bo_kunmap(adev->mes.data_fw_obj);
	amdgpu_bo_unreserve(adev->mes.data_fw_obj);

	return 0;
	}

	static void mes_v10_1_free_ucode_buffers(struct amdgpu_device *adev)
	{
	amdgpu_bo_free_kernel(&adev->mes.data_fw_obj,
	&adev->mes.data_fw_gpu_addr,
	(void **)&adev->mes.data_fw_ptr);

	amdgpu_bo_free_kernel(&adev->mes.ucode_fw_obj,
	&adev->mes.ucode_fw_gpu_addr,
	(void **)&adev->mes.ucode_fw_ptr);
	}

	static void mes_v10_1_enable(struct amdgpu_device *adev, bool enable)
	{
	uint32_t data = 0;

	if (enable) {
	data = RREG32_SOC15(GC, 0, mmCP_MES_CNTL);
	data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_RESET, 1);
	WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);

	/* set ucode start address */
	WREG32_SOC15(GC, 0, mmCP_MES_PRGRM_CNTR_START,
	(uint32_t)(adev->mes.uc_start_addr) >> 2);

	/* clear BYPASS_UNCACHED to avoid hangs after interrupt. */
	data = RREG32_SOC15(GC, 0, mmCP_MES_DC_OP_CNTL);
	data = REG_SET_FIELD(data, CP_MES_DC_OP_CNTL,
	BYPASS_UNCACHED, 0);
	WREG32_SOC15(GC, 0, mmCP_MES_DC_OP_CNTL, data);

	/* unhalt MES and activate pipe0 */
	data = REG_SET_FIELD(0, CP_MES_CNTL, MES_PIPE0_ACTIVE, 1);
	WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);
	} else {
	data = RREG32_SOC15(GC, 0, mmCP_MES_CNTL);
	data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_ACTIVE, 0);
	data = REG_SET_FIELD(data, CP_MES_CNTL,
	MES_INVALIDATE_ICACHE, 1);
	data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_RESET, 1);
	data = REG_SET_FIELD(data, CP_MES_CNTL, MES_HALT, 1);
	WREG32_SOC15(GC, 0, mmCP_MES_CNTL, data);
	}
	}

	/* This function is for backdoor MES firmware */
	static int mes_v10_1_load_microcode(struct amdgpu_device *adev)
	{
	int r;
	uint32_t data;

	if (!adev->mes.fw)
	return -EINVAL;

	r = mes_v10_1_allocate_ucode_buffer(adev);
	if (r)
	return r;

	r = mes_v10_1_allocate_ucode_data_buffer(adev);
	if (r) {
	mes_v10_1_free_ucode_buffers(adev);
	return r;
	}

	mes_v10_1_enable(adev, false);

	WREG32_SOC15(GC, 0, mmCP_MES_IC_BASE_CNTL, 0);

	mutex_lock(&adev->srbm_mutex);
	/* me=3, pipe=0, queue=0 */
	nv_grbm_select(adev, 3, 0, 0, 0);

	/* set ucode start address */
	WREG32_SOC15(GC, 0, mmCP_MES_PRGRM_CNTR_START,
	(uint32_t)(adev->mes.uc_start_addr) >> 2);

	/* set ucode fimrware address */
	WREG32_SOC15(GC, 0, mmCP_MES_IC_BASE_LO,
	lower_32_bits(adev->mes.ucode_fw_gpu_addr));
	WREG32_SOC15(GC, 0, mmCP_MES_IC_BASE_HI,
	upper_32_bits(adev->mes.ucode_fw_gpu_addr));

	/* set ucode instruction cache boundary to 2M-1 */
	WREG32_SOC15(GC, 0, mmCP_MES_MIBOUND_LO, 0x1FFFFF);

	/* set ucode data firmware address */
	WREG32_SOC15(GC, 0, mmCP_MES_MDBASE_LO,
	lower_32_bits(adev->mes.data_fw_gpu_addr));
	WREG32_SOC15(GC, 0, mmCP_MES_MDBASE_HI,
	upper_32_bits(adev->mes.data_fw_gpu_addr));

	/* Set 0x3FFFF (256K-1) to CP_MES_MDBOUND_LO */
	WREG32_SOC15(GC, 0, mmCP_MES_MDBOUND_LO, 0x3FFFF);

	/* invalidate ICACHE */
	data = RREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL);
	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 0);
	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, INVALIDATE_CACHE, 1);
	WREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL, data);

	/* prime the ICACHE. */
	data = RREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL);
	data = REG_SET_FIELD(data, CP_MES_IC_OP_CNTL, PRIME_ICACHE, 1);
	WREG32_SOC15(GC, 0, mmCP_MES_IC_OP_CNTL, data);

	nv_grbm_select(adev, 0, 0, 0, 0);
	mutex_unlock(&adev->srbm_mutex);

	return 0;
	}

	static int mes_v10_1_sw_init(void *handle)
	{
	int r;
	struct amdgpu_device adev = (struct amdgpu_device )handle;

	r = mes_v10_1_init_microcode(adev);
	if (r)
	return r;

	return 0;
	}

	static int mes_v10_1_sw_fini(void *handle)
	{
	struct amdgpu_device adev = (struct amdgpu_device )handle;

	mes_v10_1_free_microcode(adev);

	return 0;
	}

	static int mes_v10_1_hw_init(void *handle)
	{
	int r;
	struct amdgpu_device adev = (struct amdgpu_device )handle;

	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
	r = mes_v10_1_load_microcode(adev);
	if (r) {
	DRM_ERROR("failed to MES fw, r=%d\n", r);
	return r;
	}
	} else {
	DRM_ERROR("only support direct fw loading on MES\n");
	return -EINVAL;
	}

	mes_v10_1_enable(adev, true);

	return 0;
	}

	static int mes_v10_1_hw_fini(void *handle)
	{
	struct amdgpu_device adev = (struct amdgpu_device )handle;

	mes_v10_1_enable(adev, false);

	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT)
	mes_v10_1_free_ucode_buffers(adev);

	return 0;
	}

	static int mes_v10_1_suspend(void *handle)
	{
	return 0;
	}

	static int mes_v10_1_resume(void *handle)
	{
	return 0;
	}

	static const struct amd_ip_funcs mes_v10_1_ip_funcs = {
	.name = "mes_v10_1",
	.sw_init = mes_v10_1_sw_init,
	.sw_fini = mes_v10_1_sw_fini,
	.hw_init = mes_v10_1_hw_init,
	.hw_fini = mes_v10_1_hw_fini,
	.suspend = mes_v10_1_suspend,
	.resume = mes_v10_1_resume,
	};

	const struct amdgpu_ip_block_version mes_v10_1_ip_block = {
	.type = AMD_IP_BLOCK_TYPE_MES,
	.major = 10,
	.minor = 1,
	.rev = 0,
	.funcs = &mes_v10_1_ip_funcs,
	};