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authorJon Medhurst <tixy@yxit.co.uk>2011-08-03 15:57:19 (GMT)
committerJon Medhurst <tixy@yxit.co.uk>2011-08-22 12:00:10 (GMT)
commit009426a0ebd0fc4a230ab2c2295dbc8f7ba7e8dd (patch)
tree629daf1f542f8361c4a55395bdbf1f8f5da85464 /arch/arm
parent99d1717dd7fecf2b10195b0d864323b952b4eba0 (diff)
downloadlinux-009426a0ebd0fc4a230ab2c2295dbc8f7ba7e8dd.tar.xz
ARM: omap: Setup consistent dma size at boot time
Signed-off-by: Jon Medhurst <tixy@yxit.co.uk> CC: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-omap1/io.c1
-rw-r--r--arch/arm/mach-omap2/io.c2
-rw-r--r--arch/arm/plat-omap/include/plat/io.h2
-rw-r--r--arch/arm/plat-omap/include/plat/memory.h13
-rw-r--r--arch/arm/plat-omap/io.c8
5 files changed, 12 insertions, 14 deletions
diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index 870886a..1cfa1b6 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -121,6 +121,7 @@ void __init omap1_map_common_io(void)
#endif
omap_sram_init();
+ omap_init_consistent_dma_size();
}
/*
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 2ce1ce6..d6d01cb 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -16,7 +16,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -250,6 +249,7 @@ static void __init _omap2_map_common_io(void)
omap2_check_revision();
omap_sram_init();
+ omap_init_consistent_dma_size();
}
#ifdef CONFIG_SOC_OMAP2420
diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h
index d72ec85..ebe67ea 100644
--- a/arch/arm/plat-omap/include/plat/io.h
+++ b/arch/arm/plat-omap/include/plat/io.h
@@ -309,6 +309,8 @@ extern void omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0,
void __iomem *omap_ioremap(unsigned long phys, size_t size, unsigned int type);
void omap_iounmap(volatile void __iomem *addr);
+extern void __init omap_init_consistent_dma_size(void);
+
#endif
#endif
diff --git a/arch/arm/plat-omap/include/plat/memory.h b/arch/arm/plat-omap/include/plat/memory.h
index e6720aa..7f9df6f 100644
--- a/arch/arm/plat-omap/include/plat/memory.h
+++ b/arch/arm/plat-omap/include/plat/memory.h
@@ -85,18 +85,5 @@
#endif /* CONFIG_ARCH_OMAP15XX */
-/* Override the ARM default */
-#ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
-
-#if (CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE == 0)
-#undef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
-#define CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE 2
-#endif
-
-#define CONSISTENT_DMA_SIZE \
- (((CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE + 1) & ~1) * 1024 * 1024)
-
-#endif
-
#endif
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index f1ecfa9..e9b0e23 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/io.h>
#include <linux/mm.h>
+#include <linux/dma-mapping.h>
#include <plat/omap7xx.h>
#include <plat/omap1510.h>
@@ -139,3 +140,10 @@ void omap_iounmap(volatile void __iomem *addr)
__iounmap(addr);
}
EXPORT_SYMBOL(omap_iounmap);
+
+void __init omap_init_consistent_dma_size(void)
+{
+#ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
+ init_consistent_dma_size(CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE << 20);
+#endif
+}