| // 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 <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/metadata.h> |
| #include <ddk/platform-defs.h> |
| #include <ddk/protocol/platform/bus.h> |
| #include <fbl/unique_ptr.h> |
| #include <fuchsia/hardware/thermal/c/fidl.h> |
| #include <soc/aml-common/aml-thermal.h> |
| #include <soc/aml-meson/g12a-clk.h> |
| #include <soc/aml-s905d2/s905d2-gpio.h> |
| #include <soc/aml-s905d2/s905d2-hw.h> |
| |
| #include "astro.h" |
| |
| namespace astro { |
| |
| static const pbus_mmio_t thermal_mmios[] = {{ |
| .base = S905D2_TEMP_SENSOR_BASE, |
| .length = S905D2_TEMP_SENSOR_LENGTH, |
| }, |
| { |
| .base = S905D2_GPIO_A0_BASE, |
| .length = S905D2_GPIO_AO_LENGTH, |
| }, |
| { |
| .base = S905D2_HIU_BASE, |
| .length = S905D2_HIU_LENGTH, |
| }, |
| { |
| .base = S905D2_AO_PWM_CD_BASE, |
| .length = S905D2_AO_PWM_LENGTH, |
| }}; |
| |
| static const pbus_irq_t thermal_irqs[] = { |
| { |
| .irq = S905D2_TS_PLL_IRQ, |
| .mode = ZX_INTERRUPT_MODE_EDGE_HIGH, |
| }, |
| }; |
| |
| static const pbus_bti_t thermal_btis[] = { |
| { |
| .iommu_index = 0, |
| .bti_id = BTI_THERMAL, |
| }, |
| }; |
| |
| constexpr fuchsia_hardware_thermal_ThermalTemperatureInfo TripPoint(float temp_c, |
| int32_t cpu_opp, |
| int32_t gpu_opp) { |
| constexpr float kHysteresis = 2.0f; |
| |
| return { |
| .up_temp_celsius = temp_c + kHysteresis, |
| .down_temp_celsius = temp_c - kHysteresis, |
| .fan_level = 0, |
| .big_cluster_dvfs_opp = cpu_opp, |
| .little_cluster_dvfs_opp = 0, |
| .gpu_clk_freq_source = gpu_opp, |
| }; |
| } |
| |
| /* |
| * PASSIVE COOLING - For Astro, we have DVFS support added |
| * Below is the operating point information for Big cluster |
| * Operating point 0 - Freq 0.1000 Ghz Voltage 0.7310 V |
| * Operating point 1 - Freq 0.2500 Ghz Voltage 0.7310 V |
| * Operating point 2 - Freq 0.5000 Ghz Voltage 0.7310 V |
| * Operating point 3 - Freq 0.6670 Ghz Voltage 0.7310 V |
| * Operating point 4 - Freq 1.0000 Ghz Voltage 0.7310 V |
| * Operating point 5 - Freq 1.2000 Ghz Voltage 0.7310 V |
| * Operating point 6 - Freq 1.3980 Ghz Voltage 0.7610 V |
| * Operating point 7 - Freq 1.5120 Ghz Voltage 0.7910 V |
| * Operating point 8 - Freq 1.6080 Ghz Voltage 0.8310 V |
| * Operating point 9 - Freq 1.7040 Ghz Voltage 0.8610 V |
| * Operating point 10 - Freq 1.8960 Ghz Voltage 0.9810 V |
| * |
| * GPU_CLK_FREQUENCY_SOURCE - |
| * 0 - 285.7 MHz |
| * 1 - 400 MHz |
| * 2 - 500 MHz |
| * 3 - 666 MHz |
| * 4 - 800 MHz |
| * 5 - 846 MHz |
| */ |
| |
| // NOTE: This is a very trivial policy, no data backing it up |
| // As we do more testing this policy can evolve. |
| static fuchsia_hardware_thermal_ThermalDeviceInfo astro_config = { |
| .active_cooling = false, |
| .passive_cooling = true, |
| .gpu_throttling = true, |
| .num_trip_points = 7, |
| .big_little = false, |
| .critical_temp_celsius = 102.0f, |
| .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, 10, 5), |
| TripPoint(75.0f, 9, 4), |
| TripPoint(80.0f, 8, 3), |
| TripPoint(85.0f, 7, 3), |
| TripPoint(90.0f, 6, 2), |
| TripPoint(95.0f, 5, 1), |
| TripPoint(100.0f, 4, 0), |
| }, |
| .opps = {}, |
| }; |
| |
| static aml_opp_info_t opp_info = { |
| .opps = |
| { |
| { |
| // 0 |
| .freq_hz = 100000000, |
| .volt_uv = 731000, |
| }, |
| { |
| // 1 |
| .freq_hz = 250000000, |
| .volt_uv = 731000, |
| }, |
| { |
| // 2 |
| .freq_hz = 500000000, |
| .volt_uv = 731000, |
| }, |
| { |
| // 3 |
| .freq_hz = 667000000, |
| .volt_uv = 731000, |
| }, |
| { |
| // 4 |
| .freq_hz = 1000000000, |
| .volt_uv = 731000, |
| }, |
| { |
| // 5 |
| .freq_hz = 1200000000, |
| .volt_uv = 731000, |
| }, |
| { |
| // 6 |
| .freq_hz = 1398000000, |
| .volt_uv = 761000, |
| }, |
| { |
| // 7 |
| .freq_hz = 1512000000, |
| .volt_uv = 791000, |
| }, |
| { |
| // 8 |
| .freq_hz = 1608000000, |
| .volt_uv = 831000, |
| }, |
| { |
| // 9 |
| .freq_hz = 1704000000, |
| .volt_uv = 861000, |
| }, |
| { |
| // 10 |
| .freq_hz = 1896000000, |
| .volt_uv = 981000, |
| }, |
| }, |
| .voltage_table = |
| { |
| {1022000, 0}, {1011000, 3}, {1001000, 6}, {991000, 10}, {981000, 13}, {971000, 16}, |
| {961000, 20}, {951000, 23}, {941000, 26}, {931000, 30}, {921000, 33}, {911000, 36}, |
| {901000, 40}, {891000, 43}, {881000, 46}, {871000, 50}, {861000, 53}, {851000, 56}, |
| {841000, 60}, {831000, 63}, {821000, 67}, {811000, 70}, {801000, 73}, {791000, 76}, |
| {781000, 80}, {771000, 83}, {761000, 86}, {751000, 90}, {741000, 93}, {731000, 96}, |
| {721000, 100}, |
| }, |
| }; |
| |
| static const pbus_metadata_t thermal_metadata[] = { |
| { |
| .type = DEVICE_METADATA_THERMAL_CONFIG, |
| .data_buffer = &astro_config, |
| .data_size = sizeof(astro_config), |
| }, |
| { |
| .type = DEVICE_METADATA_PRIVATE, |
| .data_buffer = &opp_info, |
| .data_size = sizeof(opp_info), |
| }, |
| }; |
| |
| static pbus_dev_t thermal_dev = []() { |
| pbus_dev_t dev = {}; |
| dev.name = "aml-thermal"; |
| dev.vid = PDEV_VID_AMLOGIC; |
| dev.pid = PDEV_PID_AMLOGIC_S905D2; |
| dev.did = PDEV_DID_AMLOGIC_THERMAL; |
| dev.mmio_list = thermal_mmios; |
| dev.mmio_count = countof(thermal_mmios); |
| dev.irq_list = thermal_irqs; |
| dev.irq_count = countof(thermal_irqs); |
| dev.bti_list = thermal_btis; |
| dev.bti_count = countof(thermal_btis); |
| dev.metadata_list = thermal_metadata; |
| dev.metadata_count = countof(thermal_metadata); |
| return dev; |
| }(); |
| |
| constexpr zx_bind_inst_t root_match[] = { |
| BI_MATCH(), |
| }; |
| static const zx_bind_inst_t clk1_match[] = { |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_CLOCK), |
| BI_MATCH_IF(EQ, BIND_CLOCK_ID, 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, CLK_SYS_CPU_CLK_DIV16), |
| }; |
| static const device_component_part_t clk1_component[] = { |
| {countof(root_match), root_match}, |
| {countof(clk1_match), clk1_match}, |
| }; |
| static const device_component_part_t clk2_component[] = { |
| {countof(root_match), root_match}, |
| {countof(clk2_match), clk2_match}, |
| }; |
| static const device_component_t components[] = { |
| {countof(clk1_component), clk1_component}, |
| {countof(clk2_component), clk2_component}, |
| }; |
| |
| zx_status_t Astro::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(S905D2_PWM_D, 0); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: ConfigOut failed: %d\n", __func__, status); |
| return status; |
| } |
| |
| status = gpio_impl_.SetAltFunction(S905D2_PWM_D, S905D2_PWM_D_FN); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: SetAltFunction failed: %d\n", __func__, status); |
| return status; |
| } |
| |
| status = pbus_.CompositeDeviceAdd(&thermal_dev, components, countof(components), UINT32_MAX); |
| if (status != ZX_OK) { |
| zxlogf(ERROR, "%s: DeviceAdd failed: %d\n", __func__, status); |
| return status; |
| } |
| return ZX_OK; |
| } |
| |
| } // namespace astro |
