From 95c831bca9181df62230171fd66286d08ea886a8 Mon Sep 17 00:00:00 2001 From: Marek Szyprowski Date: Fri, 28 Feb 2014 14:42:54 +0100 Subject: [PATCH 052/182] arm: add support for reserved memory defined by device tree Enable reserved memory initialization from device tree. Signed-off-by: Marek Szyprowski Signed-off-by: Grant Likely --- arch/arm/Kconfig | 1 + arch/arm/mm/init.c | 2 ++ 2 files changed, 3 insertions(+) --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1923,6 +1923,7 @@ config USE_OF select IRQ_DOMAIN select OF select OF_EARLY_FLATTREE + select OF_RESERVED_MEM help Include support for flattened device tree machine descriptions. --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -323,6 +323,8 @@ void __init arm_memblock_init(struct mem if (mdesc->reserve) mdesc->reserve(); + early_init_fdt_scan_reserved_mem(); + /* * reserve memory for DMA contigouos allocations, * must come from DMA area inside low memory