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Diffstat (limited to 'arch/powerpc/platforms/44x/Kconfig')
| -rw-r--r-- | arch/powerpc/platforms/44x/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 8beec7d00cac..4d88f6a19058 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -351,6 +351,20 @@ config APM821xx select IBM_EMAC_EMAC4 select IBM_EMAC_TAH +config 476FPE_ERR46 + depends on 476FPE + bool "Enable linker work around for PPC476FPE errata #46" + help + This option enables a work around for an icache bug on 476 + that can cause execution of stale instructions when falling + through pages (IBM errata #46). It requires a recent version + of binutils which supports the --ppc476-workaround option. + + The work around enables the appropriate linker options and + ensures that all module output sections are aligned to 4K + page boundaries. The work around is only required when + building modules. + # 44x errata/workaround config symbols, selected by the CPU models above config IBM440EP_ERR42 bool |