Hi Ulrich, > OK. So I guess the only remaining questions is: if this hardware needs the > errata fix to work properly, shouldn't it be automatically selected by the > kernel configure logic? Note that this appears to happen for certain OMAP > boards, see arch/arm/mach-omap2/Kconfig: > > config ARCH_OMAP4 > bool "TI OMAP4" > default y > depends on ARCH_OMAP2PLUS > select CPU_V7 > select ARM_GIC > select PL310_ERRATA_588369 > select ARM_ERRATA_720789 <<===== > select USB_ARCH_HAS_EHCI > > But this does not happen for the vexpress; arch/arm/mach-vexpress/Kconfig > has only: > > config ARCH_VEXPRESS_CA9X4 > bool "Versatile Express Cortex-A9x4 tile" > select CPU_V7 > select ARM_GIC
Good point. Although the erratum might not apply to the revision of the A9 that you have on that tile, it's probably better to select it by default and let the user deselect it if it's not required (the workarounds which poke chicken bits read the CPUID anyway so we could select those as well). Will _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
