sh: dmaengine support for sh7724.

Add a dmaengine platform device to sh7724, fix DMA channel interrupt numbers. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
git-mirror · Dec 17, 2009 · 39b27f4 · 39b27f4
1 parent 718deb6
commit 39b27f4
Show file tree

Hide file tree

Showing 2 changed files with 19 additions and 4 deletions.
diff --git a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
@@ -19,10 +19,10 @@
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723) || \
       defined(CONFIG_CPU_SUBTYPE_SH7724)
 #define DMTE0_IRQ	48	/* DMAC0A*/
-#define DMTE4_IRQ	40	/* DMAC0B */
-#define DMTE6_IRQ	42
-#define DMTE8_IRQ	76	/* DMAC1A */
-#define DMTE9_IRQ	77
+#define DMTE4_IRQ	76	/* DMAC0B */
+#define DMTE6_IRQ	40
+#define DMTE8_IRQ	42	/* DMAC1A */
+#define DMTE9_IRQ	43
 #define DMTE10_IRQ	72	/* DMAC1B */
 #define DMTE11_IRQ	73
 #define DMAE0_IRQ	78	/* DMA Error IRQ*/

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -23,9 +23,23 @@
 #include <linux/notifier.h>
 #include <asm/suspend.h>
 #include <asm/clock.h>
+#include <asm/dma-sh.h>
 #include <asm/mmzone.h>
 #include <cpu/sh7724.h>
 
+/* DMA */
+static struct sh_dmae_pdata dma_platform_data = {
+	.mode = SHDMA_DMAOR1,
+};
+
+static struct platform_device dma_device = {
+	.name	= "sh-dma-engine",
+	.id		= -1,
+	.dev	= {
+		.platform_data	= &dma_platform_data,
+	},
+};
+
 /* Serial */
 static struct plat_sci_port scif0_platform_data = {
 	.mapbase        = 0xffe00000,
@@ -649,6 +663,7 @@ static struct platform_device *sh7724_devices[] __initdata = {
 	&tmu3_device,
 	&tmu4_device,
 	&tmu5_device,
+	&dma_device,
 	&rtc_device,
 	&iic0_device,
 	&iic1_device,