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1544698816
Move this option to Kconfig and set its default value to 4; this increases the number of supported CPUs for some boards. It consumes 1KB memory per CPU for PSCI stack, but it should not be a big deal, given the amount of memory used for the modern OSes. Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
61 lines
1.6 KiB
Text
61 lines
1.6 KiB
Text
if CPU_V7
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config CPU_V7_HAS_NONSEC
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bool
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config CPU_V7_HAS_VIRT
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bool
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config ARCH_SUPPORT_PSCI
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bool
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config ARMV7_NONSEC
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bool "Enable support for booting in non-secure mode" if EXPERT
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depends on CPU_V7_HAS_NONSEC
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default y
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---help---
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Say Y here to enable support for booting in non-secure / SVC mode.
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config ARMV7_BOOT_SEC_DEFAULT
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bool "Boot in secure mode by default" if EXPERT
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depends on ARMV7_NONSEC
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default y if TEGRA
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---help---
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Say Y here to boot in secure mode by default even if non-secure mode
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is supported. This option is useful to boot kernels which do not
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suppport booting in non-secure mode. Only set this if you need it.
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This can be overridden at run-time by setting the bootm_boot_mode env.
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variable to "sec" or "nonsec".
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config ARMV7_VIRT
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bool "Enable support for hardware virtualization" if EXPERT
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depends on CPU_V7_HAS_VIRT && ARMV7_NONSEC
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default y
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---help---
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Say Y here to boot in hypervisor (HYP) mode when booting non-secure.
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config ARMV7_PSCI
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bool "Enable PSCI support" if EXPERT
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depends on ARMV7_NONSEC && ARCH_SUPPORT_PSCI
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default y
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help
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Say Y here to enable PSCI support.
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config ARMV7_PSCI_NR_CPUS
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int "Maximum supported CPUs for PSCI"
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depends on ARMV7_NONSEC
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default 4
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help
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The maximum number of CPUs supported in the PSCI firmware.
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It is no problem to set a larger value than the number of
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CPUs in the actual hardware implementation.
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config ARMV7_LPAE
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bool "Use LPAE page table format" if EXPERT
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depends on CPU_V7
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default n
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---help---
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Say Y here to use the long descriptor page table format. This is
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required if U-Boot runs in HYP mode.
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endif
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