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Diffstat (limited to 'arch/arm/plat-mxc/include/mach/fsl_usb.h')
-rw-r--r--arch/arm/plat-mxc/include/mach/fsl_usb.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/include/mach/fsl_usb.h b/arch/arm/plat-mxc/include/mach/fsl_usb.h
index d1235fc337ff..71263360dc69 100644
--- a/arch/arm/plat-mxc/include/mach/fsl_usb.h
+++ b/arch/arm/plat-mxc/include/mach/fsl_usb.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2005-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -88,4 +88,13 @@ static inline void fsl_platform_set_ahb_burst(struct usb_hcd *hcd)
writel((temp & (~(0x3f << 16))) | (0x20 << 16),
hcd->regs + FSL_SOC_USB_TXFILLTUNING);
}
+
+ /* Increase TX fifo threshold for USB+SD in Hostx */
+ if (cpu_is_mx53() && (strcmp("DR", pdata->name))) {
+ temp = readl(hcd->regs + FSL_SOC_USB_TXFILLTUNING);
+ /* Change TX FIFO threshold to be 0x08 */
+ writel((temp & (~(0x3f << 16))) | (0x08 << 16),
+ hcd->regs + FSL_SOC_USB_TXFILLTUNING);
+ }
+
}