| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <fuchsia/hardware/platform/bus/c/banjo.h> |
| #include <fuchsia/hardware/thermal/c/fidl.h> |
| #include <lib/ddk/binding.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/device.h> |
| #include <lib/ddk/platform-defs.h> |
| #include <zircon/syscalls/smc.h> |
| |
| #include <lib/ddk/metadata.h> |
| #include <soc/aml-common/aml-thermal.h> |
| #include <soc/aml-meson/sm1-clk.h> |
| #include <soc/aml-s905d3/s905d3-gpio.h> |
| #include <soc/aml-s905d3/s905d3-hw.h> |
| #include <soc/aml-s905d3/s905d3-pwm.h> |
| |
| #include "nelson.h" |
| |
| namespace nelson { |
| |
| static const pbus_mmio_t thermal_mmios[] = { |
| { |
| .base = S905D3_TEMP_SENSOR_BASE, |
| .length = S905D3_TEMP_SENSOR_LENGTH, |
| }, |
| { |
| .base = S905D3_TEMP_SENSOR_TRIM, |
| .length = S905D3_TEMP_SENSOR_TRIM_LENGTH, |
| }, |
| { |
| .base = S905D3_HIU_BASE, |
| .length = S905D3_HIU_LENGTH, |
| }, |
| }; |
| |
| static const pbus_irq_t thermal_irqs[] = { |
| { |
| .irq = S905D3_TS_PLL_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| static const pbus_smc_t thermal_smcs[] = { |
| { |
| .service_call_num_base = ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_BASE, |
| .count = ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_LENGTH, |
| .exclusive = false, |
| }, |
| }; |
| |
| constexpr fuchsia_hardware_thermal_ThermalTemperatureInfo TripPoint(float temp_c, |
| float hysteresis_c, |
| uint16_t cpu_opp, |
| uint16_t gpu_opp) { |
| return { |
| .up_temp_celsius = temp_c + hysteresis_c, |
| .down_temp_celsius = temp_c - hysteresis_c, |
| .fan_level = 0, |
| .big_cluster_dvfs_opp = cpu_opp, |
| .little_cluster_dvfs_opp = 0, |
| .gpu_clk_freq_source = gpu_opp, |
| }; |
| } |
| |
| /* |
| * GPU_CLK_FREQUENCY_SOURCE - |
| * 0 - 285.7 MHz |
| * 1 - 400 MHz |
| * 2 - 500 MHz |
| * 3 - 666 MHz |
| * 4 - 800 MHz |
| * 5 - 846 MHz |
| */ |
| static const fuchsia_hardware_thermal_ThermalDeviceInfo nelson_config = { |
| .active_cooling = false, |
| .passive_cooling = true, |
| .gpu_throttling = true, |
| .num_trip_points = 5, |
| .big_little = false, |
| .critical_temp_celsius = 110.0f, |
| .trip_point_info = |
| { |
| // The first trip point entry is the default state of the machine |
| // and the driver does not use the specified temperature/hysterisis |
| // to set any interrupt trip points. |
| TripPoint(0.0f, 5.0f, 11, 5), |
| TripPoint(60.0f, 5.0f, 9, 4), |
| TripPoint(75.0f, 5.0f, 8, 3), |
| TripPoint(80.0f, 5.0f, 7, 2), |
| TripPoint(110.0f, 1.0f, 0, 0), |
| // 0 Kelvin is impossible, marks end of TripPoints |
| TripPoint(-273.15f, 2.0f, 0, 0), |
| }, |
| .opps = {}, |
| }; |
| |
| static const aml_thermal_info_t |
| aml_thermal_info = |
| { |
| .voltage_table = |
| { |
| [0] = {.microvolt = 1'050'000, .duty_cycle = 0}, |
| [1] = {.microvolt = 1'040'000, .duty_cycle = 3}, |
| [2] = {.microvolt = 1'030'000, .duty_cycle = 6}, |
| [3] = {.microvolt = 1'020'000, .duty_cycle = 8}, |
| [4] = {.microvolt = 1'010'000, .duty_cycle = 11}, |
| [5] = {.microvolt = 1'000'000, .duty_cycle = 14}, |
| [6] = {.microvolt = 990'000, .duty_cycle = 17}, |
| [7] = {.microvolt = 980'000, .duty_cycle = 20}, |
| [8] = {.microvolt = 970'000, .duty_cycle = 23}, |
| [9] = {.microvolt = 960'000, .duty_cycle = 26}, |
| [10] = {.microvolt = 950'000, .duty_cycle = 29}, |
| [11] = {.microvolt = 940'000, .duty_cycle = 31}, |
| [12] = {.microvolt = 930'000, .duty_cycle = 34}, |
| [13] = {.microvolt = 920'000, .duty_cycle = 37}, |
| [14] = {.microvolt = 910'000, .duty_cycle = 40}, |
| [15] = {.microvolt = 900'000, .duty_cycle = 43}, |
| [16] = {.microvolt = 890'000, .duty_cycle = 45}, |
| [17] = {.microvolt = 880'000, .duty_cycle = 48}, |
| [18] = {.microvolt = 870'000, .duty_cycle = 51}, |
| [19] = {.microvolt = 860'000, .duty_cycle = 54}, |
| [20] = {.microvolt = 850'000, .duty_cycle = 56}, |
| [21] = {.microvolt = 840'000, .duty_cycle = 59}, |
| [22] = {.microvolt = 830'000, .duty_cycle = 62}, |
| [23] = {.microvolt = 820'000, .duty_cycle = 65}, |
| [24] = {.microvolt = 810'000, .duty_cycle = 68}, |
| [25] = {.microvolt = 800'000, .duty_cycle = 70}, |
| [26] = {.microvolt = 790'000, .duty_cycle = 73}, |
| [27] = {.microvolt = 780'000, .duty_cycle = 76}, |
| [28] = {.microvolt = 770'000, .duty_cycle = 79}, |
| [29] = {.microvolt = 760'000, .duty_cycle = 81}, |
| [30] = {.microvolt = 750'000, .duty_cycle = 84}, |
| [31] = {.microvolt = 740'000, .duty_cycle = 87}, |
| [32] = {.microvolt = 730'000, .duty_cycle = 89}, |
| [33] = {.microvolt = 720'000, .duty_cycle = 92}, |
| [34] = {.microvolt = 710'000, .duty_cycle = 95}, |
| [35] = {.microvolt = 700'000, .duty_cycle = 98}, |
| [36] = {.microvolt = 690'000, .duty_cycle = 100}, |
| }, |
| .initial_cluster_frequencies = |
| { |
| [fuchsia_hardware_thermal_PowerDomain_BIG_CLUSTER_POWER_DOMAIN] = 1'200'000'000, |
| }, |
| .voltage_pwm_period_ns = 1500, |
| .opps = |
| { |
| [fuchsia_hardware_thermal_PowerDomain_BIG_CLUSTER_POWER_DOMAIN] = |
| { |
| [0] = |
| { |
| .opp = |
| { |
| [0] = {.freq_hz = 100'000'000, .volt_uv = 760'000}, |
| [1] = {.freq_hz = 250'000'000, .volt_uv = 760'000}, |
| [2] = {.freq_hz = 500'000'000, .volt_uv = 760'000}, |
| [3] = {.freq_hz = 667'000'000, .volt_uv = 780'000}, |
| [4] = {.freq_hz = 1'000'000'000, .volt_uv = 800'000}, |
| [5] = {.freq_hz = 1'200'000'000, .volt_uv = 810'000}, |
| [6] = {.freq_hz = 1'404'000'000, .volt_uv = 820'000}, |
| [7] = {.freq_hz = 1'512'000'000, .volt_uv = 830'000}, |
| [8] = {.freq_hz = 1'608'000'000, .volt_uv = 860'000}, |
| [9] = {.freq_hz = 1'704'000'000, .volt_uv = 900'000}, |
| [10] = {.freq_hz = 1'800'000'000, .volt_uv = 940'000}, |
| [11] = {.freq_hz = 1'908'000'000, .volt_uv = 970'000}, |
| }, |
| .latency = 0, |
| .count = 12, |
| }, |
| [1] = |
| { |
| .opp = |
| { |
| [0] = {.freq_hz = 100'000'000, .volt_uv = 760'000}, |
| [1] = {.freq_hz = 250'000'000, .volt_uv = 760'000}, |
| [2] = {.freq_hz = 500'000'000, .volt_uv = 760'000}, |
| [3] = {.freq_hz = 667'000'000, .volt_uv = 780'000}, |
| [4] = {.freq_hz = 1'000'000'000, .volt_uv = 800'000}, |
| [5] = {.freq_hz = 1'200'000'000, .volt_uv = 810'000}, |
| [6] = {.freq_hz = 1'404'000'000, .volt_uv = 820'000}, |
| [7] = {.freq_hz = 1'500'000'000, .volt_uv = 830'000}, |
| [8] = {.freq_hz = 1'608'000'000, .volt_uv = 860'000}, |
| [9] = {.freq_hz = 1'704'000'000, .volt_uv = 900'000}, |
| [10] = {.freq_hz = 1'800'000'000, .volt_uv = 910'000}, |
| [11] = {.freq_hz = 1'908'000'000, .volt_uv = 910'000}, |
| }, |
| .latency = 0, |
| .count = 12, |
| }, |
| [2] = |
| { |
| .opp = |
| { |
| [0] = {.freq_hz = 100'000'000, .volt_uv = 760'000}, |
| [1] = {.freq_hz = 250'000'000, .volt_uv = 760'000}, |
| [2] = {.freq_hz = 500'000'000, .volt_uv = 760'000}, |
| [3] = {.freq_hz = 667'000'000, .volt_uv = 780'000}, |
| [4] = {.freq_hz = 1'000'000'000, .volt_uv = 800'000}, |
| [5] = {.freq_hz = 1'200'000'000, .volt_uv = 810'000}, |
| [6] = {.freq_hz = 1'404'000'000, .volt_uv = 820'000}, |
| [7] = {.freq_hz = 1'500'000'000, .volt_uv = 830'000}, |
| [8] = {.freq_hz = 1'608'000'000, .volt_uv = 860'000}, |
| [9] = {.freq_hz = 1'704'000'000, .volt_uv = 860'000}, |
| [10] = {.freq_hz = 1'800'000'000, .volt_uv = 860'000}, |
| [11] = {.freq_hz = 1'908'000'000, .volt_uv = 860'000}, |
| }, |
| .latency = 0, |
| .count = 12, |
| }, |
| }, |
| }, |
| .cluster_id_map = |
| { |
| [fuchsia_hardware_thermal_PowerDomain_BIG_CLUSTER_POWER_DOMAIN] = 0, |
| }, |
| }; |
| |
| static const pbus_metadata_t thermal_metadata[] = { |
| { |
| .type = DEVICE_METADATA_THERMAL_CONFIG, |
| .data_buffer = reinterpret_cast<const uint8_t*>(&nelson_config), |
| .data_size = sizeof(nelson_config), |
| }, |
| { |
| .type = DEVICE_METADATA_PRIVATE, |
| .data_buffer = reinterpret_cast<const uint8_t*>(&aml_thermal_info), |
| .data_size = sizeof(aml_thermal_info), |
| }, |
| }; |
| |
| static const pbus_dev_t thermal_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "aml-thermal-pll"; |
| dev.vid = PDEV_VID_AMLOGIC; |
| dev.pid = PDEV_PID_AMLOGIC_S905D3; |
| dev.did = PDEV_DID_AMLOGIC_THERMAL_PLL; |
| dev.mmio_list = thermal_mmios; |
| dev.mmio_count = countof(thermal_mmios); |
| dev.irq_list = thermal_irqs; |
| dev.irq_count = countof(thermal_irqs); |
| dev.metadata_list = thermal_metadata; |
| dev.metadata_count = countof(thermal_metadata); |
| dev.smc_list = thermal_smcs; |
| dev.smc_count = countof(thermal_smcs); |
| return dev; |
| }(); |
| |
| constexpr zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| const zx_bind_inst_t pwm_ao_d_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_PWM), |
| BI_MATCH_IF(EQ, BIND_PWM_ID, S905D3_PWM_AO_D), |
| }; |
| static const zx_bind_inst_t clk1_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_CLOCK), |
| BI_MATCH_IF(EQ, BIND_CLOCK_ID, sm1_clk::CLK_SYS_PLL_DIV16), |
| }; |
| static const zx_bind_inst_t clk2_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_CLOCK), |
| BI_MATCH_IF(EQ, BIND_CLOCK_ID, sm1_clk::CLK_SYS_CPU_CLK_DIV16), |
| }; |
| const device_fragment_part_t pwm_ao_d_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(pwm_ao_d_match), pwm_ao_d_match}, |
| }; |
| static const device_fragment_part_t clk1_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(clk1_match), clk1_match}, |
| }; |
| static const device_fragment_part_t clk2_fragment[] = { |
| {countof(root_match), root_match}, |
| {countof(clk2_match), clk2_match}, |
| }; |
| static const device_fragment_t fragments[] = { |
| {"pwm-a", countof(pwm_ao_d_fragment), pwm_ao_d_fragment}, |
| {"clock-1", countof(clk1_fragment), clk1_fragment}, |
| {"clock-2", countof(clk2_fragment), clk2_fragment}, |
| }; |
| |
| zx_status_t Nelson::ThermalInit() { |
| // Configure the GPIO to be Output & set it to alternate |
| // function 3 which puts in PWM_D mode. |
| zx_status_t status = gpio_impl_.ConfigOut(S905D3_PWM_D_PIN, 0); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: ConfigOut failed: %d", __func__, status); |
| return status; |
| } |
| |
| status = gpio_impl_.SetAltFunction(S905D3_PWM_D_PIN, S905D3_PWM_D_FN); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: SetAltFunction failed: %d", __func__, status); |
| return status; |
| } |
| |
| status = pbus_.CompositeDeviceAdd(&thermal_dev, reinterpret_cast<uint64_t>(fragments), |
| countof(fragments), UINT32_MAX); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd failed: %d", __func__, status); |
| return status; |
| } |
| return ZX_OK; |
| } |
| |
| } // namespace nelson |
