1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright 2013 Advanced Micro Devices, Inc. 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining a 5*4882a593Smuzhiyun * copy of this software and associated documentation files (the "Software"), 6*4882a593Smuzhiyun * to deal in the Software without restriction, including without limitation 7*4882a593Smuzhiyun * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8*4882a593Smuzhiyun * and/or sell copies of the Software, and to permit persons to whom the 9*4882a593Smuzhiyun * Software is furnished to do so, subject to the following conditions: 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * The above copyright notice and this permission notice shall be included in 12*4882a593Smuzhiyun * all copies or substantial portions of the Software. 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15*4882a593Smuzhiyun * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16*4882a593Smuzhiyun * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17*4882a593Smuzhiyun * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18*4882a593Smuzhiyun * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19*4882a593Smuzhiyun * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20*4882a593Smuzhiyun * OTHER DEALINGS IN THE SOFTWARE. 21*4882a593Smuzhiyun * 22*4882a593Smuzhiyun */ 23*4882a593Smuzhiyun #ifndef __CI_DPM_H__ 24*4882a593Smuzhiyun #define __CI_DPM_H__ 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #include "ppsmc.h" 27*4882a593Smuzhiyun #include "radeon.h" 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #define SMU__NUM_SCLK_DPM_STATE 8 30*4882a593Smuzhiyun #define SMU__NUM_MCLK_DPM_LEVELS 6 31*4882a593Smuzhiyun #define SMU__NUM_LCLK_DPM_LEVELS 8 32*4882a593Smuzhiyun #define SMU__NUM_PCIE_DPM_LEVELS 8 33*4882a593Smuzhiyun #include "smu7_discrete.h" 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #define CISLANDS_MAX_HARDWARE_POWERLEVELS 2 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #define CISLANDS_UNUSED_GPIO_PIN 0x7F 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun struct ci_pl { 40*4882a593Smuzhiyun u32 mclk; 41*4882a593Smuzhiyun u32 sclk; 42*4882a593Smuzhiyun enum radeon_pcie_gen pcie_gen; 43*4882a593Smuzhiyun u16 pcie_lane; 44*4882a593Smuzhiyun }; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun struct ci_ps { 47*4882a593Smuzhiyun u16 performance_level_count; 48*4882a593Smuzhiyun bool dc_compatible; 49*4882a593Smuzhiyun u32 sclk_t; 50*4882a593Smuzhiyun struct ci_pl performance_levels[CISLANDS_MAX_HARDWARE_POWERLEVELS]; 51*4882a593Smuzhiyun }; 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun struct ci_dpm_level { 54*4882a593Smuzhiyun bool enabled; 55*4882a593Smuzhiyun u32 value; 56*4882a593Smuzhiyun u32 param1; 57*4882a593Smuzhiyun }; 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun #define CISLAND_MAX_DEEPSLEEP_DIVIDER_ID 5 60*4882a593Smuzhiyun #define MAX_REGULAR_DPM_NUMBER 8 61*4882a593Smuzhiyun #define CISLAND_MINIMUM_ENGINE_CLOCK 800 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun struct ci_single_dpm_table { 64*4882a593Smuzhiyun u32 count; 65*4882a593Smuzhiyun struct ci_dpm_level dpm_levels[MAX_REGULAR_DPM_NUMBER]; 66*4882a593Smuzhiyun }; 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun struct ci_dpm_table { 69*4882a593Smuzhiyun struct ci_single_dpm_table sclk_table; 70*4882a593Smuzhiyun struct ci_single_dpm_table mclk_table; 71*4882a593Smuzhiyun struct ci_single_dpm_table pcie_speed_table; 72*4882a593Smuzhiyun struct ci_single_dpm_table vddc_table; 73*4882a593Smuzhiyun struct ci_single_dpm_table vddci_table; 74*4882a593Smuzhiyun struct ci_single_dpm_table mvdd_table; 75*4882a593Smuzhiyun }; 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun struct ci_mc_reg_entry { 78*4882a593Smuzhiyun u32 mclk_max; 79*4882a593Smuzhiyun u32 mc_data[SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE]; 80*4882a593Smuzhiyun }; 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun struct ci_mc_reg_table { 83*4882a593Smuzhiyun u8 last; 84*4882a593Smuzhiyun u8 num_entries; 85*4882a593Smuzhiyun u16 valid_flag; 86*4882a593Smuzhiyun struct ci_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES]; 87*4882a593Smuzhiyun SMU7_Discrete_MCRegisterAddress mc_reg_address[SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE]; 88*4882a593Smuzhiyun }; 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun struct ci_ulv_parm 91*4882a593Smuzhiyun { 92*4882a593Smuzhiyun bool supported; 93*4882a593Smuzhiyun u32 cg_ulv_parameter; 94*4882a593Smuzhiyun u32 volt_change_delay; 95*4882a593Smuzhiyun struct ci_pl pl; 96*4882a593Smuzhiyun }; 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun #define CISLANDS_MAX_LEAKAGE_COUNT 8 99*4882a593Smuzhiyun 100*4882a593Smuzhiyun struct ci_leakage_voltage { 101*4882a593Smuzhiyun u16 count; 102*4882a593Smuzhiyun u16 leakage_id[CISLANDS_MAX_LEAKAGE_COUNT]; 103*4882a593Smuzhiyun u16 actual_voltage[CISLANDS_MAX_LEAKAGE_COUNT]; 104*4882a593Smuzhiyun }; 105*4882a593Smuzhiyun 106*4882a593Smuzhiyun struct ci_dpm_level_enable_mask { 107*4882a593Smuzhiyun u32 uvd_dpm_enable_mask; 108*4882a593Smuzhiyun u32 vce_dpm_enable_mask; 109*4882a593Smuzhiyun u32 acp_dpm_enable_mask; 110*4882a593Smuzhiyun u32 samu_dpm_enable_mask; 111*4882a593Smuzhiyun u32 sclk_dpm_enable_mask; 112*4882a593Smuzhiyun u32 mclk_dpm_enable_mask; 113*4882a593Smuzhiyun u32 pcie_dpm_enable_mask; 114*4882a593Smuzhiyun }; 115*4882a593Smuzhiyun 116*4882a593Smuzhiyun struct ci_vbios_boot_state 117*4882a593Smuzhiyun { 118*4882a593Smuzhiyun u16 mvdd_bootup_value; 119*4882a593Smuzhiyun u16 vddc_bootup_value; 120*4882a593Smuzhiyun u16 vddci_bootup_value; 121*4882a593Smuzhiyun u32 sclk_bootup_value; 122*4882a593Smuzhiyun u32 mclk_bootup_value; 123*4882a593Smuzhiyun u16 pcie_gen_bootup_value; 124*4882a593Smuzhiyun u16 pcie_lane_bootup_value; 125*4882a593Smuzhiyun }; 126*4882a593Smuzhiyun 127*4882a593Smuzhiyun struct ci_clock_registers { 128*4882a593Smuzhiyun u32 cg_spll_func_cntl; 129*4882a593Smuzhiyun u32 cg_spll_func_cntl_2; 130*4882a593Smuzhiyun u32 cg_spll_func_cntl_3; 131*4882a593Smuzhiyun u32 cg_spll_func_cntl_4; 132*4882a593Smuzhiyun u32 cg_spll_spread_spectrum; 133*4882a593Smuzhiyun u32 cg_spll_spread_spectrum_2; 134*4882a593Smuzhiyun u32 dll_cntl; 135*4882a593Smuzhiyun u32 mclk_pwrmgt_cntl; 136*4882a593Smuzhiyun u32 mpll_ad_func_cntl; 137*4882a593Smuzhiyun u32 mpll_dq_func_cntl; 138*4882a593Smuzhiyun u32 mpll_func_cntl; 139*4882a593Smuzhiyun u32 mpll_func_cntl_1; 140*4882a593Smuzhiyun u32 mpll_func_cntl_2; 141*4882a593Smuzhiyun u32 mpll_ss1; 142*4882a593Smuzhiyun u32 mpll_ss2; 143*4882a593Smuzhiyun }; 144*4882a593Smuzhiyun 145*4882a593Smuzhiyun struct ci_thermal_temperature_setting { 146*4882a593Smuzhiyun s32 temperature_low; 147*4882a593Smuzhiyun s32 temperature_high; 148*4882a593Smuzhiyun s32 temperature_shutdown; 149*4882a593Smuzhiyun }; 150*4882a593Smuzhiyun 151*4882a593Smuzhiyun struct ci_pcie_perf_range { 152*4882a593Smuzhiyun u16 max; 153*4882a593Smuzhiyun u16 min; 154*4882a593Smuzhiyun }; 155*4882a593Smuzhiyun 156*4882a593Smuzhiyun enum ci_pt_config_reg_type { 157*4882a593Smuzhiyun CISLANDS_CONFIGREG_MMR = 0, 158*4882a593Smuzhiyun CISLANDS_CONFIGREG_SMC_IND, 159*4882a593Smuzhiyun CISLANDS_CONFIGREG_DIDT_IND, 160*4882a593Smuzhiyun CISLANDS_CONFIGREG_CACHE, 161*4882a593Smuzhiyun CISLANDS_CONFIGREG_MAX 162*4882a593Smuzhiyun }; 163*4882a593Smuzhiyun 164*4882a593Smuzhiyun #define POWERCONTAINMENT_FEATURE_BAPM 0x00000001 165*4882a593Smuzhiyun #define POWERCONTAINMENT_FEATURE_TDCLimit 0x00000002 166*4882a593Smuzhiyun #define POWERCONTAINMENT_FEATURE_PkgPwrLimit 0x00000004 167*4882a593Smuzhiyun 168*4882a593Smuzhiyun struct ci_pt_config_reg { 169*4882a593Smuzhiyun u32 offset; 170*4882a593Smuzhiyun u32 mask; 171*4882a593Smuzhiyun u32 shift; 172*4882a593Smuzhiyun u32 value; 173*4882a593Smuzhiyun enum ci_pt_config_reg_type type; 174*4882a593Smuzhiyun }; 175*4882a593Smuzhiyun 176*4882a593Smuzhiyun struct ci_pt_defaults { 177*4882a593Smuzhiyun u8 svi_load_line_en; 178*4882a593Smuzhiyun u8 svi_load_line_vddc; 179*4882a593Smuzhiyun u8 tdc_vddc_throttle_release_limit_perc; 180*4882a593Smuzhiyun u8 tdc_mawt; 181*4882a593Smuzhiyun u8 tdc_waterfall_ctl; 182*4882a593Smuzhiyun u8 dte_ambient_temp_base; 183*4882a593Smuzhiyun u32 display_cac; 184*4882a593Smuzhiyun u32 bapm_temp_gradient; 185*4882a593Smuzhiyun u16 bapmti_r[SMU7_DTE_ITERATIONS * SMU7_DTE_SOURCES * SMU7_DTE_SINKS]; 186*4882a593Smuzhiyun u16 bapmti_rc[SMU7_DTE_ITERATIONS * SMU7_DTE_SOURCES * SMU7_DTE_SINKS]; 187*4882a593Smuzhiyun }; 188*4882a593Smuzhiyun 189*4882a593Smuzhiyun #define DPMTABLE_OD_UPDATE_SCLK 0x00000001 190*4882a593Smuzhiyun #define DPMTABLE_OD_UPDATE_MCLK 0x00000002 191*4882a593Smuzhiyun #define DPMTABLE_UPDATE_SCLK 0x00000004 192*4882a593Smuzhiyun #define DPMTABLE_UPDATE_MCLK 0x00000008 193*4882a593Smuzhiyun 194*4882a593Smuzhiyun struct ci_power_info { 195*4882a593Smuzhiyun struct ci_dpm_table dpm_table; 196*4882a593Smuzhiyun u32 voltage_control; 197*4882a593Smuzhiyun u32 mvdd_control; 198*4882a593Smuzhiyun u32 vddci_control; 199*4882a593Smuzhiyun u32 active_auto_throttle_sources; 200*4882a593Smuzhiyun struct ci_clock_registers clock_registers; 201*4882a593Smuzhiyun u16 acpi_vddc; 202*4882a593Smuzhiyun u16 acpi_vddci; 203*4882a593Smuzhiyun enum radeon_pcie_gen force_pcie_gen; 204*4882a593Smuzhiyun enum radeon_pcie_gen acpi_pcie_gen; 205*4882a593Smuzhiyun struct ci_leakage_voltage vddc_leakage; 206*4882a593Smuzhiyun struct ci_leakage_voltage vddci_leakage; 207*4882a593Smuzhiyun u16 max_vddc_in_pp_table; 208*4882a593Smuzhiyun u16 min_vddc_in_pp_table; 209*4882a593Smuzhiyun u16 max_vddci_in_pp_table; 210*4882a593Smuzhiyun u16 min_vddci_in_pp_table; 211*4882a593Smuzhiyun u32 mclk_strobe_mode_threshold; 212*4882a593Smuzhiyun u32 mclk_stutter_mode_threshold; 213*4882a593Smuzhiyun u32 mclk_edc_enable_threshold; 214*4882a593Smuzhiyun u32 mclk_edc_wr_enable_threshold; 215*4882a593Smuzhiyun struct ci_vbios_boot_state vbios_boot_state; 216*4882a593Smuzhiyun /* smc offsets */ 217*4882a593Smuzhiyun u32 sram_end; 218*4882a593Smuzhiyun u32 dpm_table_start; 219*4882a593Smuzhiyun u32 soft_regs_start; 220*4882a593Smuzhiyun u32 mc_reg_table_start; 221*4882a593Smuzhiyun u32 fan_table_start; 222*4882a593Smuzhiyun u32 arb_table_start; 223*4882a593Smuzhiyun /* smc tables */ 224*4882a593Smuzhiyun SMU7_Discrete_DpmTable smc_state_table; 225*4882a593Smuzhiyun SMU7_Discrete_MCRegisters smc_mc_reg_table; 226*4882a593Smuzhiyun SMU7_Discrete_PmFuses smc_powertune_table; 227*4882a593Smuzhiyun /* other stuff */ 228*4882a593Smuzhiyun struct ci_mc_reg_table mc_reg_table; 229*4882a593Smuzhiyun struct atom_voltage_table vddc_voltage_table; 230*4882a593Smuzhiyun struct atom_voltage_table vddci_voltage_table; 231*4882a593Smuzhiyun struct atom_voltage_table mvdd_voltage_table; 232*4882a593Smuzhiyun struct ci_ulv_parm ulv; 233*4882a593Smuzhiyun u32 power_containment_features; 234*4882a593Smuzhiyun const struct ci_pt_defaults *powertune_defaults; 235*4882a593Smuzhiyun u32 dte_tj_offset; 236*4882a593Smuzhiyun bool vddc_phase_shed_control; 237*4882a593Smuzhiyun struct ci_thermal_temperature_setting thermal_temp_setting; 238*4882a593Smuzhiyun struct ci_dpm_level_enable_mask dpm_level_enable_mask; 239*4882a593Smuzhiyun u32 need_update_smu7_dpm_table; 240*4882a593Smuzhiyun u32 sclk_dpm_key_disabled; 241*4882a593Smuzhiyun u32 mclk_dpm_key_disabled; 242*4882a593Smuzhiyun u32 pcie_dpm_key_disabled; 243*4882a593Smuzhiyun u32 thermal_sclk_dpm_enabled; 244*4882a593Smuzhiyun struct ci_pcie_perf_range pcie_gen_performance; 245*4882a593Smuzhiyun struct ci_pcie_perf_range pcie_lane_performance; 246*4882a593Smuzhiyun struct ci_pcie_perf_range pcie_gen_powersaving; 247*4882a593Smuzhiyun struct ci_pcie_perf_range pcie_lane_powersaving; 248*4882a593Smuzhiyun u32 activity_target[SMU7_MAX_LEVELS_GRAPHICS]; 249*4882a593Smuzhiyun u32 mclk_activity_target; 250*4882a593Smuzhiyun u32 low_sclk_interrupt_t; 251*4882a593Smuzhiyun u32 last_mclk_dpm_enable_mask; 252*4882a593Smuzhiyun u32 sys_pcie_mask; 253*4882a593Smuzhiyun /* caps */ 254*4882a593Smuzhiyun bool caps_power_containment; 255*4882a593Smuzhiyun bool caps_cac; 256*4882a593Smuzhiyun bool caps_sq_ramping; 257*4882a593Smuzhiyun bool caps_db_ramping; 258*4882a593Smuzhiyun bool caps_td_ramping; 259*4882a593Smuzhiyun bool caps_tcp_ramping; 260*4882a593Smuzhiyun bool caps_fps; 261*4882a593Smuzhiyun bool caps_sclk_ds; 262*4882a593Smuzhiyun bool caps_sclk_ss_support; 263*4882a593Smuzhiyun bool caps_mclk_ss_support; 264*4882a593Smuzhiyun bool caps_uvd_dpm; 265*4882a593Smuzhiyun bool caps_vce_dpm; 266*4882a593Smuzhiyun bool caps_samu_dpm; 267*4882a593Smuzhiyun bool caps_acp_dpm; 268*4882a593Smuzhiyun bool caps_automatic_dc_transition; 269*4882a593Smuzhiyun bool caps_sclk_throttle_low_notification; 270*4882a593Smuzhiyun bool caps_dynamic_ac_timing; 271*4882a593Smuzhiyun bool caps_od_fuzzy_fan_control_support; 272*4882a593Smuzhiyun /* flags */ 273*4882a593Smuzhiyun bool thermal_protection; 274*4882a593Smuzhiyun bool pcie_performance_request; 275*4882a593Smuzhiyun bool dynamic_ss; 276*4882a593Smuzhiyun bool dll_default_on; 277*4882a593Smuzhiyun bool cac_enabled; 278*4882a593Smuzhiyun bool uvd_enabled; 279*4882a593Smuzhiyun bool battery_state; 280*4882a593Smuzhiyun bool pspp_notify_required; 281*4882a593Smuzhiyun bool mem_gddr5; 282*4882a593Smuzhiyun bool enable_bapm_feature; 283*4882a593Smuzhiyun bool enable_tdc_limit_feature; 284*4882a593Smuzhiyun bool enable_pkg_pwr_tracking_feature; 285*4882a593Smuzhiyun bool use_pcie_performance_levels; 286*4882a593Smuzhiyun bool use_pcie_powersaving_levels; 287*4882a593Smuzhiyun bool uvd_power_gated; 288*4882a593Smuzhiyun /* driver states */ 289*4882a593Smuzhiyun struct radeon_ps current_rps; 290*4882a593Smuzhiyun struct ci_ps current_ps; 291*4882a593Smuzhiyun struct radeon_ps requested_rps; 292*4882a593Smuzhiyun struct ci_ps requested_ps; 293*4882a593Smuzhiyun /* fan control */ 294*4882a593Smuzhiyun bool fan_ctrl_is_in_default_mode; 295*4882a593Smuzhiyun bool fan_is_controlled_by_smc; 296*4882a593Smuzhiyun u32 t_min; 297*4882a593Smuzhiyun u32 fan_ctrl_default_mode; 298*4882a593Smuzhiyun }; 299*4882a593Smuzhiyun 300*4882a593Smuzhiyun #define CISLANDS_VOLTAGE_CONTROL_NONE 0x0 301*4882a593Smuzhiyun #define CISLANDS_VOLTAGE_CONTROL_BY_GPIO 0x1 302*4882a593Smuzhiyun #define CISLANDS_VOLTAGE_CONTROL_BY_SVID2 0x2 303*4882a593Smuzhiyun 304*4882a593Smuzhiyun #define CISLANDS_Q88_FORMAT_CONVERSION_UNIT 256 305*4882a593Smuzhiyun 306*4882a593Smuzhiyun #define CISLANDS_VRC_DFLT0 0x3FFFC000 307*4882a593Smuzhiyun #define CISLANDS_VRC_DFLT1 0x000400 308*4882a593Smuzhiyun #define CISLANDS_VRC_DFLT2 0xC00080 309*4882a593Smuzhiyun #define CISLANDS_VRC_DFLT3 0xC00200 310*4882a593Smuzhiyun #define CISLANDS_VRC_DFLT4 0xC01680 311*4882a593Smuzhiyun #define CISLANDS_VRC_DFLT5 0xC00033 312*4882a593Smuzhiyun #define CISLANDS_VRC_DFLT6 0xC00033 313*4882a593Smuzhiyun #define CISLANDS_VRC_DFLT7 0x3FFFC000 314*4882a593Smuzhiyun 315*4882a593Smuzhiyun #define CISLANDS_CGULVPARAMETER_DFLT 0x00040035 316*4882a593Smuzhiyun #define CISLAND_TARGETACTIVITY_DFLT 30 317*4882a593Smuzhiyun #define CISLAND_MCLK_TARGETACTIVITY_DFLT 10 318*4882a593Smuzhiyun 319*4882a593Smuzhiyun #define PCIE_PERF_REQ_REMOVE_REGISTRY 0 320*4882a593Smuzhiyun #define PCIE_PERF_REQ_FORCE_LOWPOWER 1 321*4882a593Smuzhiyun #define PCIE_PERF_REQ_PECI_GEN1 2 322*4882a593Smuzhiyun #define PCIE_PERF_REQ_PECI_GEN2 3 323*4882a593Smuzhiyun #define PCIE_PERF_REQ_PECI_GEN3 4 324*4882a593Smuzhiyun 325*4882a593Smuzhiyun int ci_copy_bytes_to_smc(struct radeon_device *rdev, 326*4882a593Smuzhiyun u32 smc_start_address, 327*4882a593Smuzhiyun const u8 *src, u32 byte_count, u32 limit); 328*4882a593Smuzhiyun void ci_start_smc(struct radeon_device *rdev); 329*4882a593Smuzhiyun void ci_reset_smc(struct radeon_device *rdev); 330*4882a593Smuzhiyun int ci_program_jump_on_start(struct radeon_device *rdev); 331*4882a593Smuzhiyun void ci_stop_smc_clock(struct radeon_device *rdev); 332*4882a593Smuzhiyun void ci_start_smc_clock(struct radeon_device *rdev); 333*4882a593Smuzhiyun bool ci_is_smc_running(struct radeon_device *rdev); 334*4882a593Smuzhiyun PPSMC_Result ci_wait_for_smc_inactive(struct radeon_device *rdev); 335*4882a593Smuzhiyun int ci_load_smc_ucode(struct radeon_device *rdev, u32 limit); 336*4882a593Smuzhiyun int ci_read_smc_sram_dword(struct radeon_device *rdev, 337*4882a593Smuzhiyun u32 smc_address, u32 *value, u32 limit); 338*4882a593Smuzhiyun int ci_write_smc_sram_dword(struct radeon_device *rdev, 339*4882a593Smuzhiyun u32 smc_address, u32 value, u32 limit); 340*4882a593Smuzhiyun 341*4882a593Smuzhiyun #endif 342