summaryrefslogtreecommitdiff
path: root/include/usb
diff options
context:
space:
mode:
authorStefano Babic <[email protected]>2014-05-15 10:27:32 +0200
committerStefano Babic <[email protected]>2014-05-15 10:27:32 +0200
commite7f9350525d73233d4eaf1793f8fe618e9fd4910 (patch)
tree153366c61e17af4ecdd9f10be520f707d525157d /include/usb
parent50c8d66d33651d7fca6a082a1eea6e537401a2f4 (diff)
parentd2a3e911390f9fc4d8c0ee4b3c7fc75f4fd3fd19 (diff)
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'include/usb')
-rw-r--r--include/usb/ehci-fsl.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/usb/ehci-fsl.h b/include/usb/ehci-fsl.h
index 734305b9dba..c9ee1d5bf62 100644
--- a/include/usb/ehci-fsl.h
+++ b/include/usb/ehci-fsl.h
@@ -164,6 +164,13 @@
#endif
/*
+ * Increasing TX FIFO threshold value from 2 to 4 decreases
+ * data burst rate with which data packets are posted from the TX
+ * latency FIFO to compensate for latencies in DDR pipeline during DMA
+ */
+#define TXFIFOTHRESH 4
+
+/*
* USB Registers
*/
struct usb_ehci {