On Thu, 30 Aug 2012, Murali Karicheri wrote: > CONFIG_CPU_ICACHE_DISABLE and CONFIG_CPU_DCACHE_DISABLE are available > to allow disabling of D-Cache and I-Cache. However the compressed version > of head.S currently doesn't check these variables. This patch will fix > this issue and is written similar to the uncompressed version of head.S > > Signed-off-by: Murali Karicheri <m-kariche...@ti.com>
Acked-by: nicolas Pitre <n...@linaro.org> You may submit your patch to http://www.arm.linux.org.uk/developer/patches/. > --- > arch/arm/boot/compressed/head.S | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S > index b8c64b8..e1d2124 100644 > --- a/arch/arm/boot/compressed/head.S > +++ b/arch/arm/boot/compressed/head.S > @@ -659,6 +659,12 @@ __armv7_mmu_cache_on: > #ifdef CONFIG_CPU_ENDIAN_BE8 > orr r0, r0, #1 << 25 @ big-endian page tables > #endif > +#ifdef CONFIG_CPU_DCACHE_DISABLE > + bic r0, r0, #1 << 2 > +#endif > +#ifdef CONFIG_CPU_ICACHE_DISABLE > + bic r0, r0, #1 << 12 > +#endif > orrne r0, r0, #1 @ MMU enabled > movne r1, #0xfffffffd @ domain 0 = client > mcrne p15, 0, r3, c2, c0, 0 @ load page table pointer > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
