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| author | Alexandre TORGUE <alexandre.torgue@st.com> | 2016-11-03 17:16:38 +0300 |
|---|---|---|
| committer | Alexandre TORGUE <alexandre.torgue@st.com> | 2016-11-04 17:07:58 +0300 |
| commit | 626e7ea0021501dc6e35ef89a936cd1e25f30b26 (patch) | |
| tree | a35f2da927b866af03cabd27bc88cae1d772cd6c /arch/arm/boot | |
| parent | f113438990550e5bf8fe757a50e0ced0e710e379 (diff) | |
| download | linux-626e7ea0021501dc6e35ef89a936cd1e25f30b26.tar.xz | |
ARM: DT: stm32: move dma translation to board files
stm32f469-disco and stm32f429-eval boards use SDRAM start address remapping
(to @0) to boost performances. A DMA translation through "dma-ranges"
property was needed for other masters than the M4 CPU.
stm32f429-disco doesn't use remapping so doesn't need this DMA translation.
This patches moves this DMA translation definition from stm32f429 soc file
to board files.
Tested-by: Bruno Herrera <bruherrera@gmail.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/stm32429i-eval.dts | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/stm32f429.dtsi | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/stm32f469-disco.dts | 4 |
3 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts index 0fd78e4e8a45..7d2f84df1a03 100644 --- a/arch/arm/boot/dts/stm32429i-eval.dts +++ b/arch/arm/boot/dts/stm32429i-eval.dts @@ -66,6 +66,10 @@ serial0 = &usart1; }; + soc { + dma-ranges = <0xc0000000 0x0 0x10000000>; + }; + leds { compatible = "gpio-leds"; green { diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi index 1c54f9e68723..8af8ac9d94e1 100644 --- a/arch/arm/boot/dts/stm32f429.dtsi +++ b/arch/arm/boot/dts/stm32f429.dtsi @@ -59,8 +59,6 @@ }; soc { - dma-ranges = <0xc0000000 0x0 0x10000000>; - timer2: timer@40000000 { compatible = "st,stm32-timer"; reg = <0x40000000 0x400>; @@ -392,13 +390,11 @@ st,syscon = <&syscfg 0x4>; snps,pbl = <8>; snps,mixed-burst; - dma-ranges; status = "disabled"; }; usbotg_hs: usb@40040000 { compatible = "snps,dwc2"; - dma-ranges; reg = <0x40040000 0x40000>; interrupts = <77>; clocks = <&rcc 0 29>; diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts index e911af836471..b766511357de 100644 --- a/arch/arm/boot/dts/stm32f469-disco.dts +++ b/arch/arm/boot/dts/stm32f469-disco.dts @@ -64,6 +64,10 @@ aliases { serial0 = &usart3; }; + + soc { + dma-ranges = <0xc0000000 0x0 0x10000000>; + }; }; &clk_hse { |