drm/amdgpu: Add Fiji support to SMC and DPM (v2)

v2: agd5f: prepare for release
Signed-off-by: NDavid Zhang <david1.zhang@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: NJammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -45,6 +45,7 @@ amdgpu-y += \
 	amdgpu_dpm.o \
 	cz_smc.o cz_dpm.o \
 	tonga_smc.o tonga_dpm.o \
+	fiji_smc.o fiji_dpm.o \
 	iceland_smc.o iceland_dpm.o
 
 # add DCE block

drivers/gpu/drm/amd/amdgpu/fiji_dpm.c

+/*
+ * Copyright 2014 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 "drmP.h"
+#include "amdgpu.h"
+#include "fiji_smumgr.h"
+
+MODULE_FIRMWARE("amdgpu/fiji_smc.bin");
+
+static void fiji_dpm_set_funcs(struct amdgpu_device *adev);
+
+static int fiji_dpm_early_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	fiji_dpm_set_funcs(adev);
+
+	return 0;
+}
+
+static int fiji_dpm_init_microcode(struct amdgpu_device *adev)
+{
+	char fw_name[30] = "amdgpu/fiji_smc.bin";
+	int err;
+
+	err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+	err = amdgpu_ucode_validate(adev->pm.fw);
+
+out:
+	if (err) {
+		DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
+		release_firmware(adev->pm.fw);
+		adev->pm.fw = NULL;
+	}
+	return err;
+}
+
+static int fiji_dpm_sw_init(void *handle)
+{
+	int ret;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	ret = fiji_dpm_init_microcode(adev);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int fiji_dpm_sw_fini(void *handle)
+{
+	return 0;
+}
+
+static int fiji_dpm_hw_init(void *handle)
+{
+	int ret;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	mutex_lock(&adev->pm.mutex);
+
+	ret = fiji_smu_init(adev);
+	if (ret) {
+		DRM_ERROR("SMU initialization failed\n");
+		goto fail;
+	}
+
+	ret = fiji_smu_start(adev);
+	if (ret) {
+		DRM_ERROR("SMU start failed\n");
+		goto fail;
+	}
+
+	mutex_unlock(&adev->pm.mutex);
+	return 0;
+
+fail:
+	adev->firmware.smu_load = false;
+	mutex_unlock(&adev->pm.mutex);
+	return -EINVAL;
+}
+
+static int fiji_dpm_hw_fini(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	mutex_lock(&adev->pm.mutex);
+	fiji_smu_fini(adev);
+	mutex_unlock(&adev->pm.mutex);
+	return 0;
+}
+
+static int fiji_dpm_suspend(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	fiji_dpm_hw_fini(adev);
+
+	return 0;
+}
+
+static int fiji_dpm_resume(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	fiji_dpm_hw_init(adev);
+
+	return 0;
+}
+
+static int fiji_dpm_set_clockgating_state(void *handle,
+			enum amd_clockgating_state state)
+{
+	return 0;
+}
+
+static int fiji_dpm_set_powergating_state(void *handle,
+			enum amd_powergating_state state)
+{
+	return 0;
+}
+
+const struct amd_ip_funcs fiji_dpm_ip_funcs = {
+	.early_init = fiji_dpm_early_init,
+	.late_init = NULL,
+	.sw_init = fiji_dpm_sw_init,
+	.sw_fini = fiji_dpm_sw_fini,
+	.hw_init = fiji_dpm_hw_init,
+	.hw_fini = fiji_dpm_hw_fini,
+	.suspend = fiji_dpm_suspend,
+	.resume = fiji_dpm_resume,
+	.is_idle = NULL,
+	.wait_for_idle = NULL,
+	.soft_reset = NULL,
+	.print_status = NULL,
+	.set_clockgating_state = fiji_dpm_set_clockgating_state,
+	.set_powergating_state = fiji_dpm_set_powergating_state,
+};
+
+static const struct amdgpu_dpm_funcs fiji_dpm_funcs = {
+	.get_temperature = NULL,
+	.pre_set_power_state = NULL,
+	.set_power_state = NULL,
+	.post_set_power_state = NULL,
+	.display_configuration_changed = NULL,
+	.get_sclk = NULL,
+	.get_mclk = NULL,
+	.print_power_state = NULL,
+	.debugfs_print_current_performance_level = NULL,
+	.force_performance_level = NULL,
+	.vblank_too_short = NULL,
+	.powergate_uvd = NULL,
+};
+
+static void fiji_dpm_set_funcs(struct amdgpu_device *adev)
+{
+	if (NULL == adev->pm.funcs)
+		adev->pm.funcs = &fiji_dpm_funcs;
+}

drivers/gpu/drm/amd/amdgpu/fiji_ppsmc.h

+/*
+ * Copyright 2014 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.
+ *
+ */
+
+#ifndef FIJI_PP_SMC_H
+#define FIJI_PP_SMC_H
+
+#pragma pack(push, 1)
+
+#define PPSMC_SWSTATE_FLAG_DC                           0x01
+#define PPSMC_SWSTATE_FLAG_UVD                          0x02
+#define PPSMC_SWSTATE_FLAG_VCE                          0x04
+
+#define PPSMC_THERMAL_PROTECT_TYPE_INTERNAL             0x00
+#define PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL             0x01
+#define PPSMC_THERMAL_PROTECT_TYPE_NONE                 0xff
+
+#define PPSMC_SYSTEMFLAG_GPIO_DC                        0x01
+#define PPSMC_SYSTEMFLAG_STEPVDDC                       0x02
+#define PPSMC_SYSTEMFLAG_GDDR5                          0x04
+
+#define PPSMC_SYSTEMFLAG_DISABLE_BABYSTEP               0x08
+
+#define PPSMC_SYSTEMFLAG_REGULATOR_HOT                  0x10
+#define PPSMC_SYSTEMFLAG_REGULATOR_HOT_ANALOG           0x20
+
+#define PPSMC_EXTRAFLAGS_AC2DC_ACTION_MASK              0x07
+#define PPSMC_EXTRAFLAGS_AC2DC_DONT_WAIT_FOR_VBLANK     0x08
+
+#define PPSMC_EXTRAFLAGS_AC2DC_ACTION_GOTODPMLOWSTATE   0x00
+#define PPSMC_EXTRAFLAGS_AC2DC_ACTION_GOTOINITIALSTATE  0x01
+
+#define PPSMC_DPM2FLAGS_TDPCLMP                         0x01
+#define PPSMC_DPM2FLAGS_PWRSHFT                         0x02
+#define PPSMC_DPM2FLAGS_OCP                             0x04
+
+#define PPSMC_DISPLAY_WATERMARK_LOW                     0
+#define PPSMC_DISPLAY_WATERMARK_HIGH                    1
+
+#define PPSMC_STATEFLAG_AUTO_PULSE_SKIP    		0x01
+#define PPSMC_STATEFLAG_POWERBOOST         		0x02
+#define PPSMC_STATEFLAG_PSKIP_ON_TDP_FAULT 		0x04
+#define PPSMC_STATEFLAG_POWERSHIFT         		0x08
+#define PPSMC_STATEFLAG_SLOW_READ_MARGIN   		0x10
+#define PPSMC_STATEFLAG_DEEPSLEEP_THROTTLE 		0x20
+#define PPSMC_STATEFLAG_DEEPSLEEP_BYPASS   		0x40
+
+#define FDO_MODE_HARDWARE 0
+#define FDO_MODE_PIECE_WISE_LINEAR 1
+
+enum FAN_CONTROL {
+	FAN_CONTROL_FUZZY,
+	FAN_CONTROL_TABLE
+};
+
+//Gemini Modes
+#define PPSMC_GeminiModeNone   0  //Single GPU board
+#define PPSMC_GeminiModeMaster 1  //Master GPU on a Gemini board
+#define PPSMC_GeminiModeSlave  2  //Slave GPU on a Gemini board
+
+#define PPSMC_Result_OK             			((uint16_t)0x01)
+#define PPSMC_Result_NoMore         			((uint16_t)0x02)
+#define PPSMC_Result_NotNow         			((uint16_t)0x03)
+#define PPSMC_Result_Failed         			((uint16_t)0xFF)
+#define PPSMC_Result_UnknownCmd     			((uint16_t)0xFE)
+#define PPSMC_Result_UnknownVT      			((uint16_t)0xFD)
+
+typedef uint16_t PPSMC_Result;
+
+#define PPSMC_isERROR(x) ((uint16_t)0x80 & (x))
+
+#define PPSMC_MSG_Halt                      		((uint16_t)0x10)
+#define PPSMC_MSG_Resume                    		((uint16_t)0x11)
+#define PPSMC_MSG_EnableDPMLevel            		((uint16_t)0x12)
+#define PPSMC_MSG_ZeroLevelsDisabled        		((uint16_t)0x13)
+#define PPSMC_MSG_OneLevelsDisabled         		((uint16_t)0x14)
+#define PPSMC_MSG_TwoLevelsDisabled         		((uint16_t)0x15)
+#define PPSMC_MSG_EnableThermalInterrupt    		((uint16_t)0x16)
+#define PPSMC_MSG_RunningOnAC               		((uint16_t)0x17)
+#define PPSMC_MSG_LevelUp                   		((uint16_t)0x18)
+#define PPSMC_MSG_LevelDown                 		((uint16_t)0x19)
+#define PPSMC_MSG_ResetDPMCounters          		((uint16_t)0x1a)
+#define PPSMC_MSG_SwitchToSwState           		((uint16_t)0x20)
+#define PPSMC_MSG_SwitchToSwStateLast       		((uint16_t)0x3f)
+#define PPSMC_MSG_SwitchToInitialState      		((uint16_t)0x40)
+#define PPSMC_MSG_NoForcedLevel             		((uint16_t)0x41)
+#define PPSMC_MSG_ForceHigh                 		((uint16_t)0x42)
+#define PPSMC_MSG_ForceMediumOrHigh         		((uint16_t)0x43)
+#define PPSMC_MSG_SwitchToMinimumPower      		((uint16_t)0x51)
+#define PPSMC_MSG_ResumeFromMinimumPower    		((uint16_t)0x52)
+#define PPSMC_MSG_EnableCac                 		((uint16_t)0x53)
+#define PPSMC_MSG_DisableCac                		((uint16_t)0x54)
+#define PPSMC_DPMStateHistoryStart          		((uint16_t)0x55)
+#define PPSMC_DPMStateHistoryStop           		((uint16_t)0x56)
+#define PPSMC_CACHistoryStart               		((uint16_t)0x57)
+#define PPSMC_CACHistoryStop                		((uint16_t)0x58)
+#define PPSMC_TDPClampingActive             		((uint16_t)0x59)
+#define PPSMC_TDPClampingInactive           		((uint16_t)0x5A)
+#define PPSMC_StartFanControl               		((uint16_t)0x5B)
+#define PPSMC_StopFanControl                		((uint16_t)0x5C)
+#define PPSMC_NoDisplay                     		((uint16_t)0x5D)
+#define PPSMC_HasDisplay                    		((uint16_t)0x5E)
+#define PPSMC_MSG_UVDPowerOFF               		((uint16_t)0x60)
+#define PPSMC_MSG_UVDPowerON                		((uint16_t)0x61)
+#define PPSMC_MSG_EnableULV                 		((uint16_t)0x62)
+#define PPSMC_MSG_DisableULV                		((uint16_t)0x63)
+#define PPSMC_MSG_EnterULV                  		((uint16_t)0x64)
+#define PPSMC_MSG_ExitULV                   		((uint16_t)0x65)
+#define PPSMC_PowerShiftActive              		((uint16_t)0x6A)
+#define PPSMC_PowerShiftInactive            		((uint16_t)0x6B)
+#define PPSMC_OCPActive                     		((uint16_t)0x6C)
+#define PPSMC_OCPInactive                   		((uint16_t)0x6D)
+#define PPSMC_CACLongTermAvgEnable          		((uint16_t)0x6E)
+#define PPSMC_CACLongTermAvgDisable         		((uint16_t)0x6F)
+#define PPSMC_MSG_InferredStateSweep_Start  		((uint16_t)0x70)
+#define PPSMC_MSG_InferredStateSweep_Stop   		((uint16_t)0x71)
+#define PPSMC_MSG_SwitchToLowestInfState    		((uint16_t)0x72)
+#define PPSMC_MSG_SwitchToNonInfState       		((uint16_t)0x73)
+#define PPSMC_MSG_AllStateSweep_Start       		((uint16_t)0x74)
+#define PPSMC_MSG_AllStateSweep_Stop        		((uint16_t)0x75)
+#define PPSMC_MSG_SwitchNextLowerInfState   		((uint16_t)0x76)
+#define PPSMC_MSG_SwitchNextHigherInfState  		((uint16_t)0x77)
+#define PPSMC_MSG_MclkRetrainingTest        		((uint16_t)0x78)
+#define PPSMC_MSG_ForceTDPClamping          		((uint16_t)0x79)
+#define PPSMC_MSG_CollectCAC_PowerCorreln   		((uint16_t)0x7A)
+#define PPSMC_MSG_CollectCAC_WeightCalib    		((uint16_t)0x7B)
+#define PPSMC_MSG_CollectCAC_SQonly         		((uint16_t)0x7C)
+#define PPSMC_MSG_CollectCAC_TemperaturePwr 		((uint16_t)0x7D)
+#define PPSMC_MSG_ExtremitiesTest_Start     		((uint16_t)0x7E)
+#define PPSMC_MSG_ExtremitiesTest_Stop      		((uint16_t)0x7F)
+#define PPSMC_FlushDataCache                		((uint16_t)0x80)
+#define PPSMC_FlushInstrCache               		((uint16_t)0x81)
+#define PPSMC_MSG_SetEnabledLevels          		((uint16_t)0x82)
+#define PPSMC_MSG_SetForcedLevels           		((uint16_t)0x83)
+#define PPSMC_MSG_ResetToDefaults           		((uint16_t)0x84)
+#define PPSMC_MSG_SetForcedLevelsAndJump    		((uint16_t)0x85)
+#define PPSMC_MSG_SetCACHistoryMode         		((uint16_t)0x86)
+#define PPSMC_MSG_EnableDTE                 		((uint16_t)0x87)
+#define PPSMC_MSG_DisableDTE                		((uint16_t)0x88)
+#define PPSMC_MSG_SmcSpaceSetAddress        		((uint16_t)0x89)
+#define PPSMC_MSG_SmcSpaceWriteDWordInc     		((uint16_t)0x8A)
+#define PPSMC_MSG_SmcSpaceWriteWordInc      		((uint16_t)0x8B)
+#define PPSMC_MSG_SmcSpaceWriteByteInc      		((uint16_t)0x8C)
+
+#define PPSMC_MSG_BREAK                     		((uint16_t)0xF8)
+
+#define PPSMC_MSG_Test                      		((uint16_t)0x100)
+#define PPSMC_MSG_DRV_DRAM_ADDR_HI            		((uint16_t)0x250)
+#define PPSMC_MSG_DRV_DRAM_ADDR_LO            		((uint16_t)0x251)
+#define PPSMC_MSG_SMU_DRAM_ADDR_HI            		((uint16_t)0x252)
+#define PPSMC_MSG_SMU_DRAM_ADDR_LO            		((uint16_t)0x253)
+#define PPSMC_MSG_LoadUcodes                  		((uint16_t)0x254)
+
+typedef uint16_t PPSMC_Msg;
+
+#define PPSMC_EVENT_STATUS_THERMAL          		0x00000001
+#define PPSMC_EVENT_STATUS_REGULATORHOT     		0x00000002
+#define PPSMC_EVENT_STATUS_DC               		0x00000004
+#define PPSMC_EVENT_STATUS_GPIO17           		0x00000008
+
+#pragma pack(pop)
+
+#endif

drivers/gpu/drm/amd/amdgpu/fiji_smc.c

+/*
+ * Copyright 2014 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 "drmP.h"
+#include "amdgpu.h"
+#include "fiji_ppsmc.h"
+#include "fiji_smumgr.h"
+#include "smu_ucode_xfer_vi.h"
+#include "amdgpu_ucode.h"
+
+#include "smu/smu_7_1_3_d.h"
+#include "smu/smu_7_1_3_sh_mask.h"
+
+#define FIJI_SMC_SIZE 0x20000
+
+static int fiji_set_smc_sram_address(struct amdgpu_device *adev, uint32_t smc_address, uint32_t limit)
+{
+	uint32_t val;
+
+	if (smc_address & 3)
+		return -EINVAL;
+
+	if ((smc_address + 3) > limit)
+		return -EINVAL;
+
+	WREG32(mmSMC_IND_INDEX_0, smc_address);
+
+	val = RREG32(mmSMC_IND_ACCESS_CNTL);
+	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
+	WREG32(mmSMC_IND_ACCESS_CNTL, val);
+
+	return 0;
+}
+
+static int fiji_copy_bytes_to_smc(struct amdgpu_device *adev, uint32_t smc_start_address, const uint8_t *src, uint32_t byte_count, uint32_t limit)
+{
+	uint32_t addr;
+	uint32_t data, orig_data;
+	int result = 0;
+	uint32_t extra_shift;
+	unsigned long flags;
+
+	if (smc_start_address & 3)
+		return -EINVAL;
+
+	if ((smc_start_address + byte_count) > limit)
+		return -EINVAL;
+
+	addr = smc_start_address;
+
+	spin_lock_irqsave(&adev->smc_idx_lock, flags);
+	while (byte_count >= 4) {
+		/* Bytes are written into the SMC addres space with the MSB first */
+		data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3];
+
+		result = fiji_set_smc_sram_address(adev, addr, limit);
+
+		if (result)
+			goto out;
+
+		WREG32(mmSMC_IND_DATA_0, data);
+
+		src += 4;
+		byte_count -= 4;
+		addr += 4;
+	}
+
+	if (0 != byte_count) {
+		/* Now write odd bytes left, do a read modify write cycle */
+		data = 0;
+
+		result = fiji_set_smc_sram_address(adev, addr, limit);
+		if (result)
+			goto out;
+
+		orig_data = RREG32(mmSMC_IND_DATA_0);
+		extra_shift = 8 * (4 - byte_count);
+
+		while (byte_count > 0) {
+			data = (data << 8) + *src++;
+			byte_count--;
+		}
+
+		data <<= extra_shift;
+		data |= (orig_data & ~((~0UL) << extra_shift));
+
+		result = fiji_set_smc_sram_address(adev, addr, limit);
+		if (result)
+			goto out;
+
+		WREG32(mmSMC_IND_DATA_0, data);
+	}
+
+out:
+	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
+	return result;
+}
+
+static int fiji_program_jump_on_start(struct amdgpu_device *adev)
+{
+	static unsigned char data[] = {0xE0, 0x00, 0x80, 0x40};
+	fiji_copy_bytes_to_smc(adev, 0x0, data, 4, sizeof(data)+1);
+
+	return 0;
+}
+
+static bool fiji_is_smc_ram_running(struct amdgpu_device *adev)
+{
+	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
+	val = REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable);
+
+	return ((0 == val) && (0x20100 <= RREG32_SMC(ixSMC_PC_C)));
+}
+
+static int wait_smu_response(struct amdgpu_device *adev)
+{
+	int i;
+	uint32_t val;
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		val = RREG32(mmSMC_RESP_0);
+		if (REG_GET_FIELD(val, SMC_RESP_0, SMC_RESP))
+			break;
+		udelay(1);
+	}
+
+	if (i == adev->usec_timeout)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int fiji_send_msg_to_smc_offset(struct amdgpu_device *adev)
+{
+	if (wait_smu_response(adev)) {
+		DRM_ERROR("Failed to send previous message\n");
+		return -EINVAL;
+	}
+
+	WREG32(mmSMC_MSG_ARG_0, 0x20000);
+	WREG32(mmSMC_MESSAGE_0, PPSMC_MSG_Test);
+
+	if (wait_smu_response(adev)) {
+		DRM_ERROR("Failed to send message\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int fiji_send_msg_to_smc(struct amdgpu_device *adev, PPSMC_Msg msg)
+{
+	if (!fiji_is_smc_ram_running(adev))
+	{
+		return -EINVAL;;
+	}
+
+	if (wait_smu_response(adev)) {
+		DRM_ERROR("Failed to send previous message\n");
+		return -EINVAL;
+	}
+
+	WREG32(mmSMC_MESSAGE_0, msg);
+
+	if (wait_smu_response(adev)) {
+		DRM_ERROR("Failed to send message\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int fiji_send_msg_to_smc_without_waiting(struct amdgpu_device *adev,
+						PPSMC_Msg msg)
+{
+	if (wait_smu_response(adev)) {
+		DRM_ERROR("Failed to send previous message\n");
+		return -EINVAL;
+	}
+
+	WREG32(mmSMC_MESSAGE_0, msg);
+
+	return 0;
+}
+
+static int fiji_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
+						PPSMC_Msg msg,
+						uint32_t parameter)
+{
+	if (!fiji_is_smc_ram_running(adev))
+		return -EINVAL;
+
+	if (wait_smu_response(adev)) {
+		DRM_ERROR("Failed to send previous message\n");
+		return -EINVAL;
+	}
+
+	WREG32(mmSMC_MSG_ARG_0, parameter);
+
+	return fiji_send_msg_to_smc(adev, msg);
+}
+
+static int fiji_send_msg_to_smc_with_parameter_without_waiting(
+					struct amdgpu_device *adev,
+					PPSMC_Msg msg, uint32_t parameter)
+{
+	if (wait_smu_response(adev)) {
+		DRM_ERROR("Failed to send previous message\n");
+		return -EINVAL;
+	}
+
+	WREG32(mmSMC_MSG_ARG_0, parameter);
+
+	return fiji_send_msg_to_smc_without_waiting(adev, msg);
+}
+
+#if 0 /* not used yet */
+static int fiji_wait_for_smc_inactive(struct amdgpu_device *adev)
+{
+	int i;
+	uint32_t val;
+
+	if (!fiji_is_smc_ram_running(adev))
+		return -EINVAL;
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
+		if (REG_GET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, cken) == 0)
+			break;
+		udelay(1);
+	}
+
+	if (i == adev->usec_timeout)
+		return -EINVAL;
+
+	return 0;
+}
+#endif
+
+static int fiji_smu_upload_firmware_image(struct amdgpu_device *adev)
+{
+	const struct smc_firmware_header_v1_0 *hdr;
+	uint32_t ucode_size;
+	uint32_t ucode_start_address;
+	const uint8_t *src;
+	uint32_t val;
+	uint32_t byte_count;
+	uint32_t *data;
+	unsigned long flags;
+
+	if (!adev->pm.fw)
+		return -EINVAL;
+
+	hdr = (const struct smc_firmware_header_v1_0 *)adev->pm.fw->data;
+	amdgpu_ucode_print_smc_hdr(&hdr->header);
+
+	adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version);
+	ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
+	ucode_start_address = le32_to_cpu(hdr->ucode_start_addr);
+	src = (const uint8_t *)
+		(adev->pm.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+
+	if (ucode_size & 3) {
+		DRM_ERROR("SMC ucode is not 4 bytes aligned\n");
+		return -EINVAL;
+	}
+
+	if (ucode_size > FIJI_SMC_SIZE) {
+		DRM_ERROR("SMC address is beyond the SMC RAM area\n");
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&adev->smc_idx_lock, flags);
+	WREG32(mmSMC_IND_INDEX_0, ucode_start_address);
+
+	val = RREG32(mmSMC_IND_ACCESS_CNTL);
+	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 1);
+	WREG32(mmSMC_IND_ACCESS_CNTL, val);
+
+	byte_count = ucode_size;
+	data = (uint32_t *)src;
+	for (; byte_count >= 4; data++, byte_count -= 4)
+		WREG32(mmSMC_IND_DATA_0, data[0]);
+
+	val = RREG32(mmSMC_IND_ACCESS_CNTL);
+	val = REG_SET_FIELD(val, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
+	WREG32(mmSMC_IND_ACCESS_CNTL, val);
+	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
+
+	return 0;
+}
+
+#if 0 /* not used yet */
+static int fiji_read_smc_sram_dword(struct amdgpu_device *adev,
+				uint32_t smc_address,
+				uint32_t *value,
+				uint32_t limit)
+{
+	int result;
+	unsigned long flags;
+
+	spin_lock_irqsave(&adev->smc_idx_lock, flags);
+	result = fiji_set_smc_sram_address(adev, smc_address, limit);
+	if (result == 0)
+		*value = RREG32(mmSMC_IND_DATA_0);
+	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
+	return result;
+}
+
+static int fiji_write_smc_sram_dword(struct amdgpu_device *adev,
+				uint32_t smc_address,
+				uint32_t value,
+				uint32_t limit)
+{
+	int result;
+	unsigned long flags;
+
+	spin_lock_irqsave(&adev->smc_idx_lock, flags);
+	result = fiji_set_smc_sram_address(adev, smc_address, limit);
+	if (result == 0)
+		WREG32(mmSMC_IND_DATA_0, value);
+	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
+	return result;
+}
+
+static int fiji_smu_stop_smc(struct amdgpu_device *adev)
+{
+	uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
+	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
+	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
+
+	val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
+	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 1);
+	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
+
+	return 0;
+}
+#endif
+
+static enum AMDGPU_UCODE_ID fiji_convert_fw_type(uint32_t fw_type)
+{
+	switch (fw_type) {
+		case UCODE_ID_SDMA0:
+			return AMDGPU_UCODE_ID_SDMA0;
+		case UCODE_ID_SDMA1:
+			return AMDGPU_UCODE_ID_SDMA1;
+		case UCODE_ID_CP_CE:
+			return AMDGPU_UCODE_ID_CP_CE;
+		case UCODE_ID_CP_PFP:
+			return AMDGPU_UCODE_ID_CP_PFP;
+		case UCODE_ID_CP_ME:
+			return AMDGPU_UCODE_ID_CP_ME;
+		case UCODE_ID_CP_MEC:
+		case UCODE_ID_CP_MEC_JT1:
+		case UCODE_ID_CP_MEC_JT2:
+			return AMDGPU_UCODE_ID_CP_MEC1;
+		case UCODE_ID_RLC_G:
+			return AMDGPU_UCODE_ID_RLC_G;
+		default:
+			DRM_ERROR("ucode type is out of range!\n");
+			return AMDGPU_UCODE_ID_MAXIMUM;
+	}
+}
+
+static int fiji_smu_populate_single_firmware_entry(struct amdgpu_device *adev,
+						uint32_t fw_type,
+						struct SMU_Entry *entry)
+{
+	enum AMDGPU_UCODE_ID id = fiji_convert_fw_type(fw_type);
+	struct amdgpu_firmware_info *ucode = &adev->firmware.ucode[id];
+	const struct gfx_firmware_header_v1_0 *header = NULL;
+	uint64_t gpu_addr;
+	uint32_t data_size;
+
+	if (ucode->fw == NULL)
+		return -EINVAL;
+	gpu_addr  = ucode->mc_addr;
+	header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
+	data_size = le32_to_cpu(header->header.ucode_size_bytes);
+
+	if ((fw_type == UCODE_ID_CP_MEC_JT1) ||
+		(fw_type == UCODE_ID_CP_MEC_JT2)) {
+		gpu_addr += le32_to_cpu(header->jt_offset) << 2;
+		data_size = le32_to_cpu(header->jt_size) << 2;
+	}
+
+	entry->version = (uint16_t)le32_to_cpu(header->header.ucode_version);
+	entry->id = (uint16_t)fw_type;
+	entry->image_addr_high = upper_32_bits(gpu_addr);
+	entry->image_addr_low = lower_32_bits(gpu_addr);
+	entry->meta_data_addr_high = 0;
+	entry->meta_data_addr_low = 0;
+	entry->data_size_byte = data_size;
+	entry->num_register_entries = 0;
+
+	if (fw_type == UCODE_ID_RLC_G)
+		entry->flags = 1;
+	else
+		entry->flags = 0;
+
+	return 0;
+}
+
+static int fiji_smu_request_load_fw(struct amdgpu_device *adev)
+{
+	struct fiji_smu_private_data *private = (struct fiji_smu_private_data *)adev->smu.priv;
+	struct SMU_DRAMData_TOC *toc;
+	uint32_t fw_to_load;
+
+	WREG32_SMC(ixSOFT_REGISTERS_TABLE_28, 0);
+
+	fiji_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_HI, private->smu_buffer_addr_high);
+	fiji_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_SMU_DRAM_ADDR_LO, private->smu_buffer_addr_low);
+
+	toc = (struct SMU_DRAMData_TOC *)private->header;
+	toc->num_entries = 0;
+	toc->structure_version = 1;
+
+	if (!adev->firmware.smu_load)
+		return 0;
+
+	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_RLC_G,
+			&toc->entry[toc->num_entries++])) {
+		DRM_ERROR("Failed to get firmware entry for RLC\n");
+		return -EINVAL;
+	}
+
+	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_CE,
+			&toc->entry[toc->num_entries++])) {
+		DRM_ERROR("Failed to get firmware entry for CE\n");
+		return -EINVAL;
+	}
+
+	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_PFP,
+			&toc->entry[toc->num_entries++])) {
+		DRM_ERROR("Failed to get firmware entry for PFP\n");
+		return -EINVAL;
+	}
+
+	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_ME,
+			&toc->entry[toc->num_entries++])) {
+		DRM_ERROR("Failed to get firmware entry for ME\n");
+		return -EINVAL;
+	}
+
+	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC,
+			&toc->entry[toc->num_entries++])) {
+		DRM_ERROR("Failed to get firmware entry for MEC\n");
+		return -EINVAL;
+	}
+
+	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT1,
+			&toc->entry[toc->num_entries++])) {
+		DRM_ERROR("Failed to get firmware entry for MEC_JT1\n");
+		return -EINVAL;
+	}
+
+	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_CP_MEC_JT2,
+			&toc->entry[toc->num_entries++])) {
+		DRM_ERROR("Failed to get firmware entry for MEC_JT2\n");
+		return -EINVAL;
+	}
+
+	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA0,
+			&toc->entry[toc->num_entries++])) {
+		DRM_ERROR("Failed to get firmware entry for SDMA0\n");
+		return -EINVAL;
+	}
+
+	if (fiji_smu_populate_single_firmware_entry(adev, UCODE_ID_SDMA1,
+			&toc->entry[toc->num_entries++])) {
+		DRM_ERROR("Failed to get firmware entry for SDMA1\n");
+		return -EINVAL;
+	}
+
+	fiji_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_HI, private->header_addr_high);
+	fiji_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DRV_DRAM_ADDR_LO, private->header_addr_low);
+
+	fw_to_load = UCODE_ID_RLC_G_MASK |
+			UCODE_ID_SDMA0_MASK |
+			UCODE_ID_SDMA1_MASK |
+			UCODE_ID_CP_CE_MASK |
+			UCODE_ID_CP_ME_MASK |
+			UCODE_ID_CP_PFP_MASK |
+			UCODE_ID_CP_MEC_MASK;
+
+	if (fiji_send_msg_to_smc_with_parameter_without_waiting(adev, PPSMC_MSG_LoadUcodes, fw_to_load)) {
+		DRM_ERROR("Fail to request SMU load ucode\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static uint32_t fiji_smu_get_mask_for_fw_type(uint32_t fw_type)
+{
+	switch (fw_type) {
+		case AMDGPU_UCODE_ID_SDMA0:
+			return UCODE_ID_SDMA0_MASK;
+		case AMDGPU_UCODE_ID_SDMA1:
+			return UCODE_ID_SDMA1_MASK;
+		case AMDGPU_UCODE_ID_CP_CE:
+			return UCODE_ID_CP_CE_MASK;
+		case AMDGPU_UCODE_ID_CP_PFP:
+			return UCODE_ID_CP_PFP_MASK;
+		case AMDGPU_UCODE_ID_CP_ME:
+			return UCODE_ID_CP_ME_MASK;
+		case AMDGPU_UCODE_ID_CP_MEC1:
+			return UCODE_ID_CP_MEC_MASK;
+		case AMDGPU_UCODE_ID_CP_MEC2:
+			return UCODE_ID_CP_MEC_MASK;
+		case AMDGPU_UCODE_ID_RLC_G:
+			return UCODE_ID_RLC_G_MASK;
+		default:
+			DRM_ERROR("ucode type is out of range!\n");
+			return 0;
+	}
+}
+
+static int fiji_smu_check_fw_load_finish(struct amdgpu_device *adev,
+					uint32_t fw_type)
+{
+	uint32_t fw_mask = fiji_smu_get_mask_for_fw_type(fw_type);
+	int i;
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		if (fw_mask == (RREG32_SMC(ixSOFT_REGISTERS_TABLE_28) & fw_mask))
+			break;
+		udelay(1);
+	}
+
+	if (i == adev->usec_timeout) {
+		DRM_ERROR("check firmware loading failed\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int fiji_smu_start_in_protection_mode(struct amdgpu_device *adev)
+{
+	int result;
+	uint32_t val;
+	int i;
+
+	/* Assert reset */
+	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
+	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
+	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
+
+	result = fiji_smu_upload_firmware_image(adev);
+	if (result)
+		return result;
+
+	/* Clear status */
+	WREG32_SMC(ixSMU_STATUS, 0);
+
+	/* Enable clock */
+	val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
+	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
+	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
+
+	/* De-assert reset */
+	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
+	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0);
+	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
+
+	/* Set SMU Auto Start */
+	val = RREG32_SMC(ixSMU_INPUT_DATA);
+	val = REG_SET_FIELD(val, SMU_INPUT_DATA, AUTO_START, 1);
+	WREG32_SMC(ixSMU_INPUT_DATA, val);
+
+	/* Clear firmware interrupt enable flag */
+	WREG32_SMC(ixFIRMWARE_FLAGS, 0);
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		val = RREG32_SMC(ixRCU_UC_EVENTS);
+		if (REG_GET_FIELD(val, RCU_UC_EVENTS, INTERRUPTS_ENABLED))
+			break;
+		udelay(1);
+	}
+
+	if (i == adev->usec_timeout) {
+		DRM_ERROR("Interrupt is not enabled by firmware\n");
+		return -EINVAL;
+	}
+
+	/* Call Test SMU message with 0x20000 offset
+	 * to trigger SMU start
+	 */
+	fiji_send_msg_to_smc_offset(adev);
+	DRM_INFO("[FM]try triger smu start\n");
+	/* Wait for done bit to be set */
+	for (i = 0; i < adev->usec_timeout; i++) {
+		val = RREG32_SMC(ixSMU_STATUS);
+		if (REG_GET_FIELD(val, SMU_STATUS, SMU_DONE))
+			break;
+		udelay(1);
+	}
+
+	if (i == adev->usec_timeout) {
+		DRM_ERROR("Timeout for SMU start\n");
+		return -EINVAL;
+	}
+
+	/* Check pass/failed indicator */
+	val = RREG32_SMC(ixSMU_STATUS);
+	if (!REG_GET_FIELD(val, SMU_STATUS, SMU_PASS)) {
+		DRM_ERROR("SMU Firmware start failed\n");
+		return -EINVAL;
+	}
+	DRM_INFO("[FM]smu started\n");
+	/* Wait for firmware to initialize */
+	for (i = 0; i < adev->usec_timeout; i++) {
+		val = RREG32_SMC(ixFIRMWARE_FLAGS);
+		if(REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED))
+			break;
+		udelay(1);
+	}
+
+	if (i == adev->usec_timeout) {
+		DRM_ERROR("SMU firmware initialization failed\n");
+		return -EINVAL;
+	}
+	DRM_INFO("[FM]smu initialized\n");
+
+	return 0;
+}
+
+static int fiji_smu_start_in_non_protection_mode(struct amdgpu_device *adev)
+{
+	int i, result;
+	uint32_t val;
+
+	/* wait for smc boot up */
+	for (i = 0; i < adev->usec_timeout; i++) {
+		val = RREG32_SMC(ixRCU_UC_EVENTS);
+		val = REG_GET_FIELD(val, RCU_UC_EVENTS, boot_seq_done);
+		if (val)
+			break;
+		udelay(1);
+	}
+
+	if (i == adev->usec_timeout) {
+		DRM_ERROR("SMC boot sequence is not completed\n");
+		return -EINVAL;
+	}
+
+	/* Clear firmware interrupt enable flag */
+	WREG32_SMC(ixFIRMWARE_FLAGS, 0);
+
+	/* Assert reset */
+	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
+	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 1);
+	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
+
+	result = fiji_smu_upload_firmware_image(adev);
+	if (result)
+		return result;
+
+	/* Set smc instruct start point at 0x0 */
+	fiji_program_jump_on_start(adev);
+
+	/* Enable clock */
+	val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
+	val = REG_SET_FIELD(val, SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
+	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
+
+	/* De-assert reset */
+	val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
+	val = REG_SET_FIELD(val, SMC_SYSCON_RESET_CNTL, rst_reg, 0);
+	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
+
+	/* Wait for firmware to initialize */
+	for (i = 0; i < adev->usec_timeout; i++) {
+		val = RREG32_SMC(ixFIRMWARE_FLAGS);
+		if (REG_GET_FIELD(val, FIRMWARE_FLAGS, INTERRUPTS_ENABLED))
+			break;
+		udelay(1);
+	}
+
+	if (i == adev->usec_timeout) {
+		DRM_ERROR("Timeout for SMC firmware initialization\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int fiji_smu_start(struct amdgpu_device *adev)
+{
+	int result;
+	uint32_t val;
+
+	if (!fiji_is_smc_ram_running(adev)) {
+		val = RREG32_SMC(ixSMU_FIRMWARE);
+		if (!REG_GET_FIELD(val, SMU_FIRMWARE, SMU_MODE)) {
+			DRM_INFO("[FM]start smu in nonprotection mode\n");
+			result = fiji_smu_start_in_non_protection_mode(adev);
+			if (result)
+				return result;
+		} else {
+			DRM_INFO("[FM]start smu in protection mode\n");
+			result = fiji_smu_start_in_protection_mode(adev);
+			if (result)
+				return result;
+		}
+	}
+
+	return fiji_smu_request_load_fw(adev);
+}
+
+static const struct amdgpu_smumgr_funcs fiji_smumgr_funcs = {
+	.check_fw_load_finish = fiji_smu_check_fw_load_finish,
+	.request_smu_load_fw = NULL,
+	.request_smu_specific_fw = NULL,
+};
+
+int fiji_smu_init(struct amdgpu_device *adev)
+{
+	struct fiji_smu_private_data *private;
+	uint32_t image_size = ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096;
+	uint32_t smu_internal_buffer_size = 200*4096;
+	struct amdgpu_bo **toc_buf = &adev->smu.toc_buf;
+	struct amdgpu_bo **smu_buf = &adev->smu.smu_buf;
+	uint64_t mc_addr;
+	void *toc_buf_ptr;
+	void *smu_buf_ptr;
+	int ret;
+
+	private = kzalloc(sizeof(struct fiji_smu_private_data), GFP_KERNEL);
+	if (NULL == private)
+		return -ENOMEM;
+
+	/* allocate firmware buffers */
+	if (adev->firmware.smu_load)
+		amdgpu_ucode_init_bo(adev);
+
+	adev->smu.priv = private;
+	adev->smu.fw_flags = 0;
+
+	/* Allocate FW image data structure and header buffer */
+	ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
+				true, AMDGPU_GEM_DOMAIN_VRAM, 0, NULL, toc_buf);
+	if (ret) {
+		DRM_ERROR("Failed to allocate memory for TOC buffer\n");
+		return -ENOMEM;
+	}
+
+	/* Allocate buffer for SMU internal buffer */
+	ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE,
+				true, AMDGPU_GEM_DOMAIN_VRAM, 0, NULL, smu_buf);
+	if (ret) {
+		DRM_ERROR("Failed to allocate memory for SMU internal buffer\n");
+		return -ENOMEM;
+	}
+
+	/* Retrieve GPU address for header buffer and internal buffer */
+	ret = amdgpu_bo_reserve(adev->smu.toc_buf, false);
+	if (ret) {
+		amdgpu_bo_unref(&adev->smu.toc_buf);
+		DRM_ERROR("Failed to reserve the TOC buffer\n");
+		return -EINVAL;
+	}
+
+	ret = amdgpu_bo_pin(adev->smu.toc_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr);
+	if (ret) {
+		amdgpu_bo_unreserve(adev->smu.toc_buf);
+		amdgpu_bo_unref(&adev->smu.toc_buf);
+		DRM_ERROR("Failed to pin the TOC buffer\n");
+		return -EINVAL;
+	}
+
+	ret = amdgpu_bo_kmap(*toc_buf, &toc_buf_ptr);
+	if (ret) {
+		amdgpu_bo_unreserve(adev->smu.toc_buf);
+		amdgpu_bo_unref(&adev->smu.toc_buf);
+		DRM_ERROR("Failed to map the TOC buffer\n");
+		return -EINVAL;
+	}
+
+	amdgpu_bo_unreserve(adev->smu.toc_buf);
+	private->header_addr_low = lower_32_bits(mc_addr);
+	private->header_addr_high = upper_32_bits(mc_addr);
+	private->header = toc_buf_ptr;
+
+	ret = amdgpu_bo_reserve(adev->smu.smu_buf, false);
+	if (ret) {
+		amdgpu_bo_unref(&adev->smu.smu_buf);
+		amdgpu_bo_unref(&adev->smu.toc_buf);
+		DRM_ERROR("Failed to reserve the SMU internal buffer\n");
+		return -EINVAL;
+	}
+
+	ret = amdgpu_bo_pin(adev->smu.smu_buf, AMDGPU_GEM_DOMAIN_VRAM, &mc_addr);
+	if (ret) {
+		amdgpu_bo_unreserve(adev->smu.smu_buf);
+		amdgpu_bo_unref(&adev->smu.smu_buf);
+		amdgpu_bo_unref(&adev->smu.toc_buf);
+		DRM_ERROR("Failed to pin the SMU internal buffer\n");
+		return -EINVAL;
+	}
+
+	ret = amdgpu_bo_kmap(*smu_buf, &smu_buf_ptr);
+	if (ret) {
+		amdgpu_bo_unreserve(adev->smu.smu_buf);
+		amdgpu_bo_unref(&adev->smu.smu_buf);
+		amdgpu_bo_unref(&adev->smu.toc_buf);
+		DRM_ERROR("Failed to map the SMU internal buffer\n");
+		return -EINVAL;
+	}
+
+	amdgpu_bo_unreserve(adev->smu.smu_buf);
+	private->smu_buffer_addr_low = lower_32_bits(mc_addr);
+	private->smu_buffer_addr_high = upper_32_bits(mc_addr);
+
+	adev->smu.smumgr_funcs = &fiji_smumgr_funcs;
+
+	return 0;
+}
+
+int fiji_smu_fini(struct amdgpu_device *adev)
+{
+	amdgpu_bo_unref(&adev->smu.toc_buf);
+	amdgpu_bo_unref(&adev->smu.smu_buf);
+	kfree(adev->smu.priv);
+	adev->smu.priv = NULL;
+	if (adev->firmware.fw_buf)
+		amdgpu_ucode_fini_bo(adev);
+
+	return 0;
+}

drivers/gpu/drm/amd/amdgpu/fiji_smumgr.h

+/*
+ * Copyright 2014 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.
+ *
+ */
+
+#ifndef FIJI_SMUMGR_H
+#define FIJI_SMUMGR_H
+
+#include "fiji_ppsmc.h"
+
+int fiji_smu_init(struct amdgpu_device *adev);
+int fiji_smu_fini(struct amdgpu_device *adev);
+int fiji_smu_start(struct amdgpu_device *adev);
+
+struct fiji_smu_private_data
+{
+	uint8_t *header;
+	uint32_t smu_buffer_addr_high;
+	uint32_t smu_buffer_addr_low;
+	uint32_t header_addr_high;
+	uint32_t header_addr_low;
+};
+
+#endif

drivers/gpu/drm/amd/amdgpu/vi.c

@@ -1188,6 +1188,13 @@ static const struct amdgpu_ip_block_version fiji_ip_blocks[] =
 		.rev = 0,
 		.funcs = &tonga_ih_ip_funcs,
 	},
+	{
+		.type = AMD_IP_BLOCK_TYPE_SMC,
+		.major = 7,
+		.minor = 1,
+		.rev = 0,
+		.funcs = &fiji_dpm_ip_funcs,
+	},
 };
 
 static const struct amdgpu_ip_block_version cz_ip_blocks[] =

drivers/gpu/drm/amd/amdgpu/vi_dpm.h

@@ -30,7 +30,7 @@ int cz_smu_start(struct amdgpu_device *adev);
 int cz_smu_fini(struct amdgpu_device *adev);
 
 extern const struct amd_ip_funcs tonga_dpm_ip_funcs;
-
+extern const struct amd_ip_funcs fiji_dpm_ip_funcs;
 extern const struct amd_ip_funcs iceland_dpm_ip_funcs;
 
 #endif