diff mbox series

[1/1] ARM: dts: stm32: Configure qspi's mdma transfer to block for stm32mp151

Message ID 20210426104536.29576-1-patrice.chotard@foss.st.com
State Superseded
Headers show
Series [1/1] ARM: dts: stm32: Configure qspi's mdma transfer to block for stm32mp151 | expand

Commit Message

Patrice CHOTARD April 26, 2021, 10:45 a.m. UTC
From: Patrice Chotard <patrice.chotard@foss.st.com>

Configure qspi's mdma from buffer transfer (max 128 bytes) to
block transfer (max 64K bytes).

mtd_speedtest shows that write throughtput increases :
  - from 734 to 782 KiB/s (~6.5%) with s25fl512s SPI-NOR.
  - from 4848 to 5319 KiB/s (~9.72%) with Micron SPI-NAND.

Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
---
 arch/arm/boot/dts/stm32mp151.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Alexandre TORGUE June 1, 2021, 7:25 a.m. UTC | #1
Hi Patrice

On 4/26/21 12:45 PM, patrice.chotard@foss.st.com wrote:
> From: Patrice Chotard <patrice.chotard@foss.st.com>

> 

> Configure qspi's mdma from buffer transfer (max 128 bytes) to

> block transfer (max 64K bytes).

> 

> mtd_speedtest shows that write throughtput increases :

>    - from 734 to 782 KiB/s (~6.5%) with s25fl512s SPI-NOR.

>    - from 4848 to 5319 KiB/s (~9.72%) with Micron SPI-NAND.

> 

> Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>

> Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>

> ---

>   arch/arm/boot/dts/stm32mp151.dtsi | 4 ++--

>   1 file changed, 2 insertions(+), 2 deletions(-)

> 

> diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi

> index 4b8031782555..cb326c1e12bc 100644

> --- a/arch/arm/boot/dts/stm32mp151.dtsi

> +++ b/arch/arm/boot/dts/stm32mp151.dtsi

> @@ -1358,8 +1358,8 @@

>   			reg = <0x58003000 0x1000>, <0x70000000 0x10000000>;

>   			reg-names = "qspi", "qspi_mm";

>   			interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;

> -			dmas = <&mdma1 22 0x2 0x100002 0x0 0x0>,

> -			       <&mdma1 22 0x2 0x100008 0x0 0x0>;

> +			dmas = <&mdma1 22 0x2 0x10100002 0x0 0x0>,

> +			       <&mdma1 22 0x2 0x10100008 0x0 0x0>;

>   			dma-names = "tx", "rx";

>   			clocks = <&rcc QSPI_K>;

>   			resets = <&rcc QSPI_R>;

> 


Applied on stm32-next.

Thanks.
Alex
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index 4b8031782555..cb326c1e12bc 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1358,8 +1358,8 @@ 
 			reg = <0x58003000 0x1000>, <0x70000000 0x10000000>;
 			reg-names = "qspi", "qspi_mm";
 			interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
-			dmas = <&mdma1 22 0x2 0x100002 0x0 0x0>,
-			       <&mdma1 22 0x2 0x100008 0x0 0x0>;
+			dmas = <&mdma1 22 0x2 0x10100002 0x0 0x0>,
+			       <&mdma1 22 0x2 0x10100008 0x0 0x0>;
 			dma-names = "tx", "rx";
 			clocks = <&rcc QSPI_K>;
 			resets = <&rcc QSPI_R>;