| Message ID | 1370956861-18710-1-git-send-email-subash.rp@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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@samsung.com> > --- > 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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 */
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@samsung.com> --- arch/arm/mach-exynos/include/mach/memory.h | 5 +++++ 1 file changed, 5 insertions(+)