81 lines
2.4 KiB
Plaintext
81 lines
2.4 KiB
Plaintext
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menu "CPU errata selection"
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config ERRATA_SIFIVE
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bool "SiFive errata"
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depends on RISCV_ALTERNATIVE
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help
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All SiFive errata Kconfig depend on this Kconfig. Disabling
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this Kconfig will disable all SiFive errata. Please say "Y"
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here if your platform uses SiFive CPU cores.
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Otherwise, please say "N" here to avoid unnecessary overhead.
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config ERRATA_SIFIVE_CIP_453
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bool "Apply SiFive errata CIP-453"
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depends on ERRATA_SIFIVE && 64BIT
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default y
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help
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This will apply the SiFive CIP-453 errata to add sign extension
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to the $badaddr when exception type is instruction page fault
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and instruction access fault.
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If you don't know what to do here, say "Y".
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config ERRATA_SIFIVE_CIP_1200
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bool "Apply SiFive errata CIP-1200"
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depends on ERRATA_SIFIVE && 64BIT
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default y
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help
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This will apply the SiFive CIP-1200 errata to repalce all
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"sfence.vma addr" with "sfence.vma" to ensure that the addr
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has been flushed from TLB.
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If you don't know what to do here, say "Y".
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config ERRATA_THEAD
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bool "T-HEAD errata"
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depends on RISCV_ALTERNATIVE
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help
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All T-HEAD errata Kconfig depend on this Kconfig. Disabling
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this Kconfig will disable all T-HEAD errata. Please say "Y"
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here if your platform uses T-HEAD CPU cores.
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Otherwise, please say "N" here to avoid unnecessary overhead.
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config ERRATA_THEAD_PBMT
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bool "Apply T-Head memory type errata"
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depends on ERRATA_THEAD && 64BIT && MMU
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select RISCV_ALTERNATIVE_EARLY
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default y
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help
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This will apply the memory type errata to handle the non-standard
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memory type bits in page-table-entries on T-Head SoCs.
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If you don't know what to do here, say "Y".
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config ERRATA_THEAD_CMO
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bool "Apply T-Head cache management errata"
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depends on ERRATA_THEAD && MMU
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select RISCV_DMA_NONCOHERENT
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default y
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help
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This will apply the cache management errata to handle the
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non-standard handling on non-coherent operations on T-Head SoCs.
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If you don't know what to do here, say "Y".
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config ERRATA_THEAD_PMU
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bool "Apply T-Head PMU errata"
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depends on ERRATA_THEAD && RISCV_PMU_SBI
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default y
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help
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The T-Head C9xx cores implement a PMU overflow extension very
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similar to the core SSCOFPMF extension.
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This will apply the overflow errata to handle the non-standard
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behaviour via the regular SBI PMU driver and interface.
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If you don't know what to do here, say "Y".
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endmenu # "CPU errata selection"
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