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[10/17] davinci:DM646x: pass correct MUSB IRQs

Message ID 1247869060-10719-11-git-send-email-khilman@deeprootsystems.com (mailing list archive)
State Awaiting Upstream
Headers show

Commit Message

Kevin Hilman July 17, 2009, 10:17 p.m. UTC 
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>

DM646x has MUSB connected to IRQs 13 and 14 (unlike IRQ12 on other platforms),
so pass the correct IRQ resources with the platform device.

Signed-off-by: Dmitry Krivoschekov <dkrivoschekov@ru.mvista.com>
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
 arch/arm/mach-davinci/usb.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index abedb63..06f5593 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -13,6 +13,7 @@ 
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
+#include <mach/cputype.h>
 
 #define DAVINCI_USB_OTG_BASE 0x01C64000
 
@@ -64,6 +65,10 @@  static struct resource usb_resources[] = {
 		.start          = IRQ_USBINT,
 		.flags          = IORESOURCE_IRQ,
 	},
+	{
+		/* placeholder for the dedicated CPPI IRQ */
+		.flags          = IORESOURCE_IRQ,
+	},
 };
 
 static u64 usb_dmamask = DMA_BIT_MASK(32);
@@ -84,6 +89,14 @@  void __init setup_usb(unsigned mA, unsigned potpgt_msec)
 {
 	usb_data.power = mA / 2;
 	usb_data.potpgt = potpgt_msec / 2;
+
+	if (cpu_is_davinci_dm646x()) {
+		/* Override the defaults as DM6467 uses different IRQs. */
+		usb_dev.resource[1].start = IRQ_DM646X_USBINT;
+		usb_dev.resource[2].start = IRQ_DM646X_USBDMAINT;
+	} else	/* other devices don't have dedicated CPPI IRQ */
+		usb_dev.num_resources = 2;
+
 	platform_device_register(&usb_dev);
 }