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Commit 1b10cb21 authored by Alexey Brodkin's avatar Alexey Brodkin Committed by Vineet Gupta
Browse files

ARC: add support for reserved memory defined by device tree 



Enable reserved memory initialization from device tree.

Signed-off-by: default avatarAlexey Brodkin <abrodkin@synopsys.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 32ed9a0e

arch/arc/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ config ARC 
	select NO_BOOTMEM

	select OF

	select OF_EARLY_FLATTREE

	select OF_RESERVED_MEM

	select PERF_USE_VMALLOC

	select HAVE_DEBUG_STACKOVERFLOW

	select HAVE_GENERIC_DMA_COHERENT

arch/arc/mm/init.c

+4 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#ifdef CONFIG_BLK_DEV_INITRD

#include <linux/initrd.h>

#endif

#include <linux/of_fdt.h>

#include <linux/swap.h>

#include <linux/module.h>

#include <linux/highmem.h>
@@ -136,6 +137,9 @@ void __init setup_arch_memory(void) 
		memblock_reserve(__pa(initrd_start), initrd_end - initrd_start);

#endif



	early_init_fdt_reserve_self();

	early_init_fdt_scan_reserved_mem();



	memblock_dump_all();



	/*----------------- node/zones setup --------------------------*/