diff options
| author | Peter Chen <peter.chen@freescale.com> | 2015-03-17 17:31:47 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@nxp.com> | 2016-01-14 10:55:23 -0600 |
| commit | 166da998ae98e4e8cfabb4ebc0a7c76f0cbb4fa3 (patch) | |
| tree | cd1fff4e4718d1f572b575e5b8941ed7c79b9fbb /arch/arm | |
| parent | 56df21b435218fc71f32b866e3eb66807c7d2181 (diff) | |
MLK-11340-23 ARM: imx6: change default burst size for USB
It can improve the USB performance when choosing larger
burst size at some systems (bus size is larger), there is
no side effect if this burst size is larger than bus size.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
(cherry picked from commit b4a7b731d58708f71bf9c81d9274bf8527a47346)
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl.dtsi | 8 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6sl.dtsi | 6 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6sx.dtsi | 6 |
3 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index 650b439eeb4b..9bf08a0685cc 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -866,6 +866,8 @@ fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -878,6 +880,8 @@ fsl,usbmisc = <&usbmisc 1>; dr_mode = "host"; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -889,6 +893,8 @@ fsl,usbmisc = <&usbmisc 2>; dr_mode = "host"; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -900,6 +906,8 @@ fsl,usbmisc = <&usbmisc 3>; dr_mode = "host"; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi index fc05eed9e25f..7122ed0289de 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -702,6 +702,8 @@ fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -713,6 +715,8 @@ fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -724,6 +728,8 @@ fsl,usbmisc = <&usbmisc 2>; dr_mode = "host"; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi index 6d809102d9c7..87f37b147210 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -775,6 +775,8 @@ fsl,usbmisc = <&usbmisc 0>; fsl,anatop = <&anatop>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -786,6 +788,8 @@ fsl,usbphy = <&usbphy2>; fsl,usbmisc = <&usbmisc 1>; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; @@ -799,6 +803,8 @@ fsl,anatop = <&anatop>; dr_mode = "host"; ahb-burst-config = <0x0>; + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; status = "disabled"; }; |