ARM: at91/dt: add SRAM nodes

Add nodes for the SRAM available on atmel SoCs
For the at91sam9260 and the at91sam9g20, address mirroring is used to create a
single contiguous SRAM range instead of declaring two separate banks.

Also remove leftover TODOs in the sam9g45 file

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[nicolas.ferre@atmel.com: correct at91sam9rl sram size => 0x10000]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index f449a864b81e19d0d84c6198032c4082382602a9..21c2b504f977d16088ce290386ba73ddb4333b6b 100644 (file)
--- a/arch/arm/boot/dts/at91rm9200.dtsi
+++ b/arch/arm/boot/dts/at91rm9200.dtsi
@@ -66,6 +66,11 @@
                };
        };
 
+       sram: sram@00200000 {
+               compatible = "mmio-sram";
+               reg = <0x00200000 0x4000>;
+       };
+
        ahb {
                compatible = "simple-bus";
                #address-cells = <1>;

diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index dd1313cbc3149516cd7f32e173683337e025abae..fff0ee69aab495361898b503268fd300a02832c1 100644 (file)
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -69,6 +69,11 @@
                };
        };
 
+       sram0: sram@002ff000 {
+               compatible = "mmio-sram";
+               reg = <0x002ff000 0x2000>;
+       };
+
        ahb {
                compatible = "simple-bus";
                #address-cells = <1>;

diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi
index cdb9ed6121091db2915cbb4fed0286a2120eadcd..e247b0b5fdab2fe1cb41e57fd51450ae723256dd 100644 (file)
--- a/arch/arm/boot/dts/at91sam9261.dtsi
+++ b/arch/arm/boot/dts/at91sam9261.dtsi
@@ -60,6 +60,11 @@
                };
        };
 
+       sram: sram@00300000 {
+               compatible = "mmio-sram";
+               reg = <0x00300000 0x28000>;
+       };
+
        ahb {
                compatible = "simple-bus";
                #address-cells = <1>;

diff --cc arch/arm/boot/dts/at91sam9263.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9g20.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9g45.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9n12.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9rl.dtsi
Simple merge

diff --cc arch/arm/boot/dts/at91sam9x5.dtsi
Simple merge

diff --cc arch/arm/boot/dts/sama5d3.dtsi
Simple merge

diff --cc arch/arm/boot/dts/sama5d4.dtsi
Simple merge