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