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-rw-r--r--target/linux/ipq806x/patches/0052-arm-add-support-for-reserved-memory-defined-by-devic.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches/0052-arm-add-support-for-reserved-memory-defined-by-devic.patch b/target/linux/ipq806x/patches/0052-arm-add-support-for-reserved-memory-defined-by-devic.patch
new file mode 100644
index 0000000000..8ff56329e0
--- /dev/null
+++ b/target/linux/ipq806x/patches/0052-arm-add-support-for-reserved-memory-defined-by-devic.patch
@@ -0,0 +1,43 @@
+From 95c831bca9181df62230171fd66286d08ea886a8 Mon Sep 17 00:00:00 2001
+From: Marek Szyprowski <m.szyprowski@samsung.com>
+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 <m.szyprowski@samsung.com>
+Signed-off-by: Grant Likely <grant.likely@linaro.org>
+---
+ arch/arm/Kconfig | 1 +
+ arch/arm/mm/init.c | 2 ++
+ 2 files changed, 3 insertions(+)
+
+diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
+index d02ce70..4332e8d 100644
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -1922,6 +1922,7 @@ 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.
+
+diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
+index 804d615..2a77ba8 100644
+--- a/arch/arm/mm/init.c
++++ b/arch/arm/mm/init.c
+@@ -323,6 +323,8 @@ void __init arm_memblock_init(struct meminfo *mi,
+ 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
+--
+1.7.10.4
+