Messages in this thread Patch in this message | | | From | Sjoerd Simons <> | Subject | [PATCH 2/3] ARM: l2c: highbank: Skip l2c unlocking | Date | Tue, 12 May 2015 00:17:30 +0200 |
| |
The highbank SMC interface doesn't allow configuring the cache for unlocking from the non-secure world. So skip unlocking otherwise the machine get imprecise abort and become unstable on boot.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> --- arch/arm/mach-highbank/highbank.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 231fba0..8e4846d 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -66,6 +66,10 @@ static void __init highbank_init_irq(void) if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9")) highbank_scu_map_io(); + + if (IS_ENABLED(CONFIG_CACHE_L2X0)) { + outer_cache.skip_unlock = true; + } } static void highbank_power_off(void) -- 2.1.4
| |