arm: mxs: Wait when disabling VDDMEM current limiter

[u-boot] / include / usb / ehci-fsl.h

diff --git a/include/usb/ehci-fsl.h b/include/usb/ehci-fsl.h
index 734305b9dba25fd1e1809e96db81781da0ea1659..dd77ad63254f94d03355501c9ed3a21da97826bd 100644 (file)
--- a/include/usb/ehci-fsl.h
+++ b/include/usb/ehci-fsl.h
@@ -11,6 +11,8 @@
 
 #include <asm/processor.h>
 
+#define CONTROL_REGISTER_W1C_MASK       0x00020000  /* W1C: PHY_CLK_VALID */
+
 /* Global offsets */
 #define FSL_SKIP_PCI           0x100
 
@@ -163,6 +165,13 @@
 #define CONFIG_SYS_FSL_USB2_ADDR       0
 #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
  */