From e60f79113871864739ce7ce537b3be98a3229d52 Mon Sep 17 00:00:00 2001 From: Nicolas Ferre Date: Wed, 30 Nov 2016 18:36:29 +0100 Subject: [PATCH] ARM: dts: at91: sama5d4: change DMA allocation for secure peripherals Some peripherals are "Programmable Secure" but left as "Secure" by default. If tried to be connected to Non-Secure DMA controller, the possibility to leak secure data is prevented so using these peripherals with DMA1 is not possible with this default configuration (MATRIX_SPSELR registers setup by bootloader). Move them to DMA0 which is an "Always-Secure" DMA controller. Signed-off-by: Nicolas Ferre Signed-off-by: Alexandre Belloni --- arch/arm/boot/dts/sama5d4.dtsi | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi index 4f60c1b7b137..d3889c9d25a9 100644 --- a/arch/arm/boot/dts/sama5d4.dtsi +++ b/arch/arm/boot/dts/sama5d4.dtsi @@ -854,10 +854,10 @@ compatible = "atmel,at91sam9260-usart"; reg = <0xf8004000 0x100>; interrupts = <27 IRQ_TYPE_LEVEL_HIGH 5>; - dmas = <&dma1 + dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(22))>, - <&dma1 + <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(23))>; dma-names = "tx", "rx"; @@ -938,10 +938,10 @@ compatible = "atmel,sama5d4-i2c"; reg = <0xf8018000 0x4000>; interrupts = <33 IRQ_TYPE_LEVEL_HIGH 6>; - dmas = <&dma1 + dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(4))>, - <&dma1 + <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(5))>; dma-names = "tx", "rx"; @@ -1055,10 +1055,10 @@ compatible = "atmel,at91sam9260-usart"; reg = <0xfc004000 0x100>; interrupts = <28 IRQ_TYPE_LEVEL_HIGH 5>; - dmas = <&dma1 + dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(24))>, - <&dma1 + <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>; dma-names = "tx", "rx"; @@ -1167,10 +1167,10 @@ compatible = "atmel,at91rm9200-spi"; reg = <0xfc01c000 0x100>; interrupts = <39 IRQ_TYPE_LEVEL_HIGH 3>; - dmas = <&dma1 + dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(14))>, - <&dma1 + <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(15))>; dma-names = "tx", "rx";