dbb8d76e5e
currently Tegra cpufreq driver gets built based on ARCH_TEGRA, which doesn't
depend on nor select CPU_FREQ itself, so:
select CPU_FREQ_TABLE if CPU_FREQ
... isn't guaranteed to fire.
The correct solution seems to be:
* Add CONFIG_ARM_TEGRA_CPUFREQ to drivers/cpufreq/Kconfig.arm.
* Make that Kconfig option selct CPU_FREQ_TABLE.
* Make that Kconfig option be def_bool ARCH_TEGRA.
* Modify drivers/cpufreq/Makefile to build tegra-cpufreq.c based on that.
* Remove all the cpufreq-related stuff from arch/arm/mach-tegra/Kconfig.
That way, tegra-cpufreq.c can't be built if !CPU_FREQ, and Tegra's
cpufreq works the same way as all the other cpufreq drivers.
This patch does it.
Suggested-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
88 lines
2.2 KiB
Plaintext
88 lines
2.2 KiB
Plaintext
config ARCH_TEGRA
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bool "NVIDIA Tegra" if ARCH_MULTI_V7
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select ARCH_HAS_CPUFREQ
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select ARCH_REQUIRE_GPIOLIB
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select CLKDEV_LOOKUP
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select CLKSRC_MMIO
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select CLKSRC_OF
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select COMMON_CLK
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select GENERIC_CLOCKEVENTS
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select HAVE_ARM_SCU if SMP
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select HAVE_ARM_TWD if LOCAL_TIMERS
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select HAVE_CLK
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select HAVE_SMP
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select MIGHT_HAVE_CACHE_L2X0
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select SOC_BUS
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select SPARSE_IRQ
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select USE_OF
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help
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This enables support for NVIDIA Tegra based systems.
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menu "NVIDIA Tegra options"
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depends on ARCH_TEGRA
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config ARCH_TEGRA_2x_SOC
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bool "Enable support for Tegra20 family"
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select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP
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select ARM_ERRATA_720789
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select ARM_ERRATA_754327 if SMP
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select ARM_ERRATA_764369 if SMP
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select ARM_GIC
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select CPU_V7
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select PINCTRL
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select PINCTRL_TEGRA20
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select PL310_ERRATA_727915 if CACHE_L2X0
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select PL310_ERRATA_769419 if CACHE_L2X0
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select USB_ARCH_HAS_EHCI if USB_SUPPORT
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select USB_ULPI if USB_PHY
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select USB_ULPI_VIEWPORT if USB_PHY
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help
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Support for NVIDIA Tegra AP20 and T20 processors, based on the
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ARM CortexA9MP CPU and the ARM PL310 L2 cache controller
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config ARCH_TEGRA_3x_SOC
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bool "Enable support for Tegra30 family"
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select ARM_ERRATA_754322
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select ARM_ERRATA_764369 if SMP
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select ARM_GIC
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select CPU_V7
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select PINCTRL
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select PINCTRL_TEGRA30
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select PL310_ERRATA_769419 if CACHE_L2X0
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select USB_ARCH_HAS_EHCI if USB_SUPPORT
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select USB_ULPI if USB_PHY
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select USB_ULPI_VIEWPORT if USB_PHY
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help
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Support for NVIDIA Tegra T30 processor family, based on the
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ARM CortexA9MP CPU and the ARM PL310 L2 cache controller
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config ARCH_TEGRA_114_SOC
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bool "Enable support for Tegra114 family"
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select ARM_ARCH_TIMER
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select ARM_GIC
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select ARM_L1_CACHE_SHIFT_6
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select CPU_V7
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select PINCTRL
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select PINCTRL_TEGRA114
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help
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Support for NVIDIA Tegra T114 processor family, based on the
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ARM CortexA15MP CPU
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config TEGRA_PCI
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bool "PCI Express support"
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depends on ARCH_TEGRA_2x_SOC
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select PCI
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config TEGRA_AHB
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bool "Enable AHB driver for NVIDIA Tegra SoCs"
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default y
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help
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Adds AHB configuration functionality for NVIDIA Tegra SoCs,
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which controls AHB bus master arbitration and some
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performance parameters(priority, prefech size).
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config TEGRA_EMC_SCALING_ENABLE
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bool "Enable scaling the memory frequency"
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endmenu
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