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authorFenkart/Bostandzhyan <andreas.fenkart@streamunlimited.com>2010-02-07 21:46:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-02-15 22:40:32 +0100
commita7bd08c82e4f74387a39eeebb942712f23967420 (patch)
tree4637930167da99522bcff48e4877bdfa961f13c1 /arch/arm/include/asm
parentARM: 5926/1: Add "Virtual kernel memory..." printout. (diff)
downloadlinux-a7bd08c82e4f74387a39eeebb942712f23967420.tar.xz
linux-a7bd08c82e4f74387a39eeebb942712f23967420.zip
ARM: 5927/1: Make delimiters of DMA area globally visibly.
Adds DMA area to 'virtual memory map' startup message Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm')
-rw-r--r--arch/arm/include/asm/memory.h19
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 5421d82a2572..f5e693b8bab3 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -76,6 +76,17 @@
*/
#define IOREMAP_MAX_ORDER 24
+/*
+ * Size of DMA-consistent memory region. Must be multiple of 2M,
+ * between 2MB and 14MB inclusive.
+ */
+#ifndef CONSISTENT_DMA_SIZE
+#define CONSISTENT_DMA_SIZE SZ_2M
+#endif
+
+#define CONSISTENT_END (0xffe00000UL)
+#define CONSISTENT_BASE (CONSISTENT_END - CONSISTENT_DMA_SIZE)
+
#else /* CONFIG_MMU */
/*
@@ -113,14 +124,6 @@
#endif /* !CONFIG_MMU */
/*
- * Size of DMA-consistent memory region. Must be multiple of 2M,
- * between 2MB and 14MB inclusive.
- */
-#ifndef CONSISTENT_DMA_SIZE
-#define CONSISTENT_DMA_SIZE SZ_2M
-#endif
-
-/*
* Physical vs virtual RAM address space conversion. These are
* private definitions which should NOT be used outside memory.h
* files. Use virt_to_phys/phys_to_virt/__pa/__va instead.