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 <[email protected]>
---
 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";
-- 
2.9.0

Reply via email to