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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
d3df18a97e
Raspberry Pi's firmware offers and interface though which update it's performance requirements. It allows us to request for specific runtime frequencies, which the firmware might or might not respect, depending on the firmware configuration and thermals. As the maximum and minimum frequencies are configurable in the firmware there is no way to know in advance their values. So the Raspberry Pi cpufreq driver queries them, builds an opp frequency table to then launch cpufreq-dt. Also, as the firmware interface might be configured as a module, making the cpu clock unavailable during init, this implements a full fledged driver, as opposed to most drivers registering cpufreq-dt, which only make use of an init routine. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Acked-by: Eric Anholt <eric@anholt.net> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Acked-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
113 lines
5.3 KiB
Makefile
113 lines
5.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# CPUfreq core
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obj-$(CONFIG_CPU_FREQ) += cpufreq.o freq_table.o
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# CPUfreq stats
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obj-$(CONFIG_CPU_FREQ_STAT) += cpufreq_stats.o
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# CPUfreq governors
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obj-$(CONFIG_CPU_FREQ_GOV_PERFORMANCE) += cpufreq_performance.o
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obj-$(CONFIG_CPU_FREQ_GOV_POWERSAVE) += cpufreq_powersave.o
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obj-$(CONFIG_CPU_FREQ_GOV_USERSPACE) += cpufreq_userspace.o
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obj-$(CONFIG_CPU_FREQ_GOV_ONDEMAND) += cpufreq_ondemand.o
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obj-$(CONFIG_CPU_FREQ_GOV_CONSERVATIVE) += cpufreq_conservative.o
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obj-$(CONFIG_CPU_FREQ_GOV_COMMON) += cpufreq_governor.o
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obj-$(CONFIG_CPU_FREQ_GOV_ATTR_SET) += cpufreq_governor_attr_set.o
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obj-$(CONFIG_CPUFREQ_DT) += cpufreq-dt.o
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obj-$(CONFIG_CPUFREQ_DT_PLATDEV) += cpufreq-dt-platdev.o
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##################################################################################
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# x86 drivers.
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# Link order matters. K8 is preferred to ACPI because of firmware bugs in early
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# K8 systems. This is still the case but acpi-cpufreq errors out so that
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# powernow-k8 can load then. ACPI is preferred to all other hardware-specific drivers.
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# speedstep-* is preferred over p4-clockmod.
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obj-$(CONFIG_X86_ACPI_CPUFREQ) += acpi-cpufreq.o
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obj-$(CONFIG_X86_POWERNOW_K8) += powernow-k8.o
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obj-$(CONFIG_X86_PCC_CPUFREQ) += pcc-cpufreq.o
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obj-$(CONFIG_X86_POWERNOW_K6) += powernow-k6.o
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obj-$(CONFIG_X86_POWERNOW_K7) += powernow-k7.o
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obj-$(CONFIG_X86_LONGHAUL) += longhaul.o
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obj-$(CONFIG_X86_E_POWERSAVER) += e_powersaver.o
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obj-$(CONFIG_ELAN_CPUFREQ) += elanfreq.o
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obj-$(CONFIG_SC520_CPUFREQ) += sc520_freq.o
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obj-$(CONFIG_X86_LONGRUN) += longrun.o
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obj-$(CONFIG_X86_GX_SUSPMOD) += gx-suspmod.o
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obj-$(CONFIG_X86_SPEEDSTEP_ICH) += speedstep-ich.o
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obj-$(CONFIG_X86_SPEEDSTEP_LIB) += speedstep-lib.o
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obj-$(CONFIG_X86_SPEEDSTEP_SMI) += speedstep-smi.o
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obj-$(CONFIG_X86_SPEEDSTEP_CENTRINO) += speedstep-centrino.o
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obj-$(CONFIG_X86_P4_CLOCKMOD) += p4-clockmod.o
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obj-$(CONFIG_X86_CPUFREQ_NFORCE2) += cpufreq-nforce2.o
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obj-$(CONFIG_X86_INTEL_PSTATE) += intel_pstate.o
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obj-$(CONFIG_X86_AMD_FREQ_SENSITIVITY) += amd_freq_sensitivity.o
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obj-$(CONFIG_X86_SFI_CPUFREQ) += sfi-cpufreq.o
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##################################################################################
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# ARM SoC drivers
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obj-$(CONFIG_ARM_BIG_LITTLE_CPUFREQ) += arm_big_little.o
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obj-$(CONFIG_ARM_ARMADA_37XX_CPUFREQ) += armada-37xx-cpufreq.o
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obj-$(CONFIG_ARM_ARMADA_8K_CPUFREQ) += armada-8k-cpufreq.o
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obj-$(CONFIG_ARM_BRCMSTB_AVS_CPUFREQ) += brcmstb-avs-cpufreq.o
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obj-$(CONFIG_ACPI_CPPC_CPUFREQ) += cppc_cpufreq.o
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obj-$(CONFIG_ARCH_DAVINCI) += davinci-cpufreq.o
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obj-$(CONFIG_ARM_HIGHBANK_CPUFREQ) += highbank-cpufreq.o
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obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o
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obj-$(CONFIG_ARM_IMX_CPUFREQ_DT) += imx-cpufreq-dt.o
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obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += kirkwood-cpufreq.o
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obj-$(CONFIG_ARM_MEDIATEK_CPUFREQ) += mediatek-cpufreq.o
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obj-$(CONFIG_MACH_MVEBU_V7) += mvebu-cpufreq.o
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obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o
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obj-$(CONFIG_ARM_PXA2xx_CPUFREQ) += pxa2xx-cpufreq.o
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obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o
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obj-$(CONFIG_ARM_QCOM_CPUFREQ_HW) += qcom-cpufreq-hw.o
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obj-$(CONFIG_ARM_QCOM_CPUFREQ_KRYO) += qcom-cpufreq-kryo.o
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obj-$(CONFIG_ARM_RASPBERRYPI_CPUFREQ) += raspberrypi-cpufreq.o
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obj-$(CONFIG_ARM_S3C2410_CPUFREQ) += s3c2410-cpufreq.o
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obj-$(CONFIG_ARM_S3C2412_CPUFREQ) += s3c2412-cpufreq.o
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obj-$(CONFIG_ARM_S3C2416_CPUFREQ) += s3c2416-cpufreq.o
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obj-$(CONFIG_ARM_S3C2440_CPUFREQ) += s3c2440-cpufreq.o
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obj-$(CONFIG_ARM_S3C64XX_CPUFREQ) += s3c64xx-cpufreq.o
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obj-$(CONFIG_ARM_S3C24XX_CPUFREQ) += s3c24xx-cpufreq.o
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obj-$(CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS) += s3c24xx-cpufreq-debugfs.o
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obj-$(CONFIG_ARM_S5PV210_CPUFREQ) += s5pv210-cpufreq.o
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obj-$(CONFIG_ARM_SA1100_CPUFREQ) += sa1100-cpufreq.o
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obj-$(CONFIG_ARM_SA1110_CPUFREQ) += sa1110-cpufreq.o
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obj-$(CONFIG_ARM_SCMI_CPUFREQ) += scmi-cpufreq.o
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obj-$(CONFIG_ARM_SCPI_CPUFREQ) += scpi-cpufreq.o
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obj-$(CONFIG_ARM_SPEAR_CPUFREQ) += spear-cpufreq.o
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obj-$(CONFIG_ARM_STI_CPUFREQ) += sti-cpufreq.o
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obj-$(CONFIG_ARM_TANGO_CPUFREQ) += tango-cpufreq.o
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obj-$(CONFIG_ARM_TEGRA20_CPUFREQ) += tegra20-cpufreq.o
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obj-$(CONFIG_ARM_TEGRA124_CPUFREQ) += tegra124-cpufreq.o
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obj-$(CONFIG_ARM_TEGRA186_CPUFREQ) += tegra186-cpufreq.o
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obj-$(CONFIG_ARM_TI_CPUFREQ) += ti-cpufreq.o
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obj-$(CONFIG_ARM_VEXPRESS_SPC_CPUFREQ) += vexpress-spc-cpufreq.o
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##################################################################################
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# PowerPC platform drivers
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obj-$(CONFIG_CPU_FREQ_CBE) += ppc-cbe-cpufreq.o
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ppc-cbe-cpufreq-y += ppc_cbe_cpufreq_pervasive.o ppc_cbe_cpufreq.o
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obj-$(CONFIG_CPU_FREQ_CBE_PMI) += ppc_cbe_cpufreq_pmi.o
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obj-$(CONFIG_CPU_FREQ_MAPLE) += maple-cpufreq.o
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obj-$(CONFIG_QORIQ_CPUFREQ) += qoriq-cpufreq.o
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obj-$(CONFIG_CPU_FREQ_PMAC) += pmac32-cpufreq.o
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obj-$(CONFIG_CPU_FREQ_PMAC64) += pmac64-cpufreq.o
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obj-$(CONFIG_PPC_PASEMI_CPUFREQ) += pasemi-cpufreq.o
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obj-$(CONFIG_POWERNV_CPUFREQ) += powernv-cpufreq.o
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##################################################################################
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# Other platform drivers
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obj-$(CONFIG_BMIPS_CPUFREQ) += bmips-cpufreq.o
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obj-$(CONFIG_IA64_ACPI_CPUFREQ) += ia64-acpi-cpufreq.o
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obj-$(CONFIG_LOONGSON2_CPUFREQ) += loongson2_cpufreq.o
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obj-$(CONFIG_LOONGSON1_CPUFREQ) += loongson1-cpufreq.o
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obj-$(CONFIG_SH_CPU_FREQ) += sh-cpufreq.o
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obj-$(CONFIG_SPARC_US2E_CPUFREQ) += sparc-us2e-cpufreq.o
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obj-$(CONFIG_SPARC_US3_CPUFREQ) += sparc-us3-cpufreq.o
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obj-$(CONFIG_UNICORE32) += unicore2-cpufreq.o
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