The A10 has a few SRAM that can be mapped either to a device or to the CPU, with the mapping being controlled by a SRAM controller.
Add the SRAM controller, the SRAM that it drives and the section that can be used by the various devices. Signed-off-by: Maxime Ripard <[email protected]> --- arch/arm/boot/dts/sun4i-a10-a1000.dts | 4 +++ arch/arm/boot/dts/sun4i-a10-ba10-tvbox.dts | 4 +++ arch/arm/boot/dts/sun4i-a10-cubieboard.dts | 4 +++ arch/arm/boot/dts/sun4i-a10-hackberry.dts | 4 +++ arch/arm/boot/dts/sun4i-a10-jesurun-q5.dts | 4 +++ arch/arm/boot/dts/sun4i-a10-marsboard.dts | 4 +++ arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts | 4 +++ arch/arm/boot/dts/sun4i-a10-pcduino.dts | 4 +++ arch/arm/boot/dts/sun4i-a10.dtsi | 37 ++++++++++++++++++++++++++ 9 files changed, 69 insertions(+) diff --git a/arch/arm/boot/dts/sun4i-a10-a1000.dts b/arch/arm/boot/dts/sun4i-a10-a1000.dts index 8d220ba7f899..2630d78d9e04 100644 --- a/arch/arm/boot/dts/sun4i-a10-a1000.dts +++ b/arch/arm/boot/dts/sun4i-a10-a1000.dts @@ -108,6 +108,10 @@ status = "okay"; }; +&emac_sram { + status = "okay"; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; diff --git a/arch/arm/boot/dts/sun4i-a10-ba10-tvbox.dts b/arch/arm/boot/dts/sun4i-a10-ba10-tvbox.dts index c7b0ba0cf416..93d435670ef1 100644 --- a/arch/arm/boot/dts/sun4i-a10-ba10-tvbox.dts +++ b/arch/arm/boot/dts/sun4i-a10-ba10-tvbox.dts @@ -74,6 +74,10 @@ status = "okay"; }; +&emac_sram { + status = "okay"; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts index 170811088fae..9afb4e018593 100644 --- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts +++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts @@ -102,6 +102,10 @@ status = "okay"; }; +&emac_sram { + status = "okay"; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; diff --git a/arch/arm/boot/dts/sun4i-a10-hackberry.dts b/arch/arm/boot/dts/sun4i-a10-hackberry.dts index 6b944db678c8..2b17c5199151 100644 --- a/arch/arm/boot/dts/sun4i-a10-hackberry.dts +++ b/arch/arm/boot/dts/sun4i-a10-hackberry.dts @@ -86,6 +86,10 @@ status = "okay"; }; +&emac_sram { + status = "okay"; +}; + &ir0 { pinctrl-names = "default"; pinctrl-0 = <&ir0_rx_pins_a>; diff --git a/arch/arm/boot/dts/sun4i-a10-jesurun-q5.dts b/arch/arm/boot/dts/sun4i-a10-jesurun-q5.dts index 483ddee1e384..dc2f2aeaff07 100644 --- a/arch/arm/boot/dts/sun4i-a10-jesurun-q5.dts +++ b/arch/arm/boot/dts/sun4i-a10-jesurun-q5.dts @@ -104,6 +104,10 @@ status = "okay"; }; +&emac_sram { + status = "okay"; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; diff --git a/arch/arm/boot/dts/sun4i-a10-marsboard.dts b/arch/arm/boot/dts/sun4i-a10-marsboard.dts index 0bc950169943..02158bcd64ee 100644 --- a/arch/arm/boot/dts/sun4i-a10-marsboard.dts +++ b/arch/arm/boot/dts/sun4i-a10-marsboard.dts @@ -99,6 +99,10 @@ status = "okay"; }; +&emac_sram { + status = "okay"; +}; + &emac { pinctrl-names = "default"; pinctrl-0 = <&emac_pins_a>; diff --git a/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts b/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts index 31b95fccfba1..b64aa4eb071e 100644 --- a/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts +++ b/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts @@ -105,6 +105,10 @@ status = "okay"; }; +&emac_sram { + status = "okay"; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; diff --git a/arch/arm/boot/dts/sun4i-a10-pcduino.dts b/arch/arm/boot/dts/sun4i-a10-pcduino.dts index 52c1777ff239..4e3e1b9d8217 100644 --- a/arch/arm/boot/dts/sun4i-a10-pcduino.dts +++ b/arch/arm/boot/dts/sun4i-a10-pcduino.dts @@ -119,6 +119,10 @@ status = "okay"; }; +&emac_sram { + status = "okay"; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index d7f43e5caf49..61c03d1fe530 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -454,6 +454,42 @@ #size-cells = <1>; ranges; + sram-controller@01c00000 { + compatible = "allwinner,sun4i-a10-sram-controller"; + reg = <0x01c00000 0x30>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + sram_a: sram@00000000 { + compatible = "mmio-sram"; + reg = <0x00000000 0xc000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00000000 0xc000>; + + emac_sram: sram-section@8000 { + compatible = "allwinner,sun4i-a10-sram-a3-a4"; + reg = <0x8000 0x4000>; + status = "disabled"; + }; + }; + + sram_d: sram@00010000 { + compatible = "mmio-sram"; + reg = <0x00010000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00010000 0x1000>; + + otg_sram: sram-section@0000 { + compatible = "allwinner,sun4i-a10-sram-d"; + reg = <0x0000 0x1000>; + status = "disabled"; + }; + }; + }; + dma: dma-controller@01c02000 { compatible = "allwinner,sun4i-a10-dma"; reg = <0x01c02000 0x1000>; @@ -495,6 +531,7 @@ reg = <0x01c0b000 0x1000>; interrupts = <55>; clocks = <&ahb_gates 17>; + allwinner,sram = <&emac_sram 1>; status = "disabled"; }; -- 2.4.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
