Hi Peng On Sun, Jan 3, 2021 at 6:43 AM Peng Fan (OSS) <peng....@oss.nxp.com> wrote:
> diff --git a/configs/imx8mn_ddr4_evk_defconfig > b/configs/imx8mn_ddr4_evk_defconfig > index b4b511ed43..d6000d9e87 100644 > --- a/configs/imx8mn_ddr4_evk_defconfig > +++ b/configs/imx8mn_ddr4_evk_defconfig > @@ -1,4 +1,6 @@ > CONFIG_ARM=y > +CONFIG_SPL_SYS_ICACHE_OFF=y > +CONFIG_SPL_SYS_DCACHE_OFF=y I understand that this patch is just moving these symbols from include file to defconfig, but a more fundamental question: why do we need to disable caches in the first place? My understanding is that it is safe to run with caches enabled on these imx8 platforms. Please clarify. Thanks, Fabio Estevam