Disable IOC by default with option to enable it. We don't want to enable IOC in u-boot by default as we want keep IOC HW at same state as after reset when we launching linux.
Signed-off-by: Eugeniy Paltsev <[email protected]> --- arch/arc/lib/cache.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c index a6bbe3c..d17948d 100644 --- a/arch/arc/lib/cache.c +++ b/arch/arc/lib/cache.c @@ -48,6 +48,9 @@ bool slc_exists __section(".data") = false; bool ioc_exists __section(".data") = false; bool pae_exists __section(".data") = false; +/* To force enable IOC set ioc_enable to 'true' */ +bool ioc_enable __section(".data") = false; + void read_decode_mmu_bcr(void) { /* TODO: should we compare mmu version from BCR and from CONFIG? */ @@ -200,7 +203,7 @@ static void read_decode_cache_bcr_arcv2(void) } cbcr; cbcr.word = read_aux_reg(ARC_BCR_CLUSTER); - if (cbcr.fields.c) + if (cbcr.fields.c && ioc_enable) ioc_exists = true; } #endif -- 2.9.3 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
