Subash Patel wrote: > > On exynos5440 there is DRAM on the 36-bit address range. Hence > this patch converts the MAX_PHYSMEM_BITS macro to 36 if LPAE is > enabled for the ARM architecture. > > The conventional section size on exynos is 256M due to sparsemem. > Since exynos5440 has memory in multiples of 1G in 32-bit and 36-bit > range, this has now been modified to 31. > > Signed-off-by: Subash Patel <subash.rp@xxxxxxxxxxx> > --- > arch/arm/mach-exynos/include/mach/memory.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/mach-exynos/include/mach/memory.h b/arch/arm/mach-exynos/include/mach/memory.h > index 374ef2c..2a4cdb7 100644 > --- a/arch/arm/mach-exynos/include/mach/memory.h > +++ b/arch/arm/mach-exynos/include/mach/memory.h > @@ -15,8 +15,13 @@ > > #define PLAT_PHYS_OFFSET UL(0x40000000) > > +#ifndef CONFIG_ARM_LPAE > /* Maximum of 256MiB in one bank */ > #define MAX_PHYSMEM_BITS 32 > #define SECTION_SIZE_BITS 28 > +#else > +#define MAX_PHYSMEM_BITS 36 > +#define SECTION_SIZE_BITS 31 > +#endif > > #endif /* __ASM_ARCH_MEMORY_H */ > -- > 1.7.10.4 OK, current EXYNOS5440(SSDK5440 and SD5v1) cannot boot without this because of enabling LPAE and bootargs for over 4GiB memory. So let me sort this out for v3.11-rc. Thanks, - Kukjin -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
 |