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Message-Id: <1421172746-18727-5-git-send-email-alexandre.belloni@free-electrons.com>
Date: Tue, 13 Jan 2015 19:12:24 +0100
From: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: Bo Shen <voice.shen@...el.com>,
Boris Brezillon <boris.brezillon@...e-electrons.com>,
Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH v3 4/6] 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@...e-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
---
arch/arm/boot/dts/at91rm9200.dtsi | 5 +++++
arch/arm/boot/dts/at91sam9260.dtsi | 5 +++++
arch/arm/boot/dts/at91sam9261.dtsi | 5 +++++
arch/arm/boot/dts/at91sam9263.dtsi | 10 ++++++++++
arch/arm/boot/dts/at91sam9g20.dtsi | 9 +++++++++
arch/arm/boot/dts/at91sam9g45.dtsi | 7 +++++--
arch/arm/boot/dts/at91sam9n12.dtsi | 5 +++++
arch/arm/boot/dts/at91sam9rl.dtsi | 5 +++++
arch/arm/boot/dts/at91sam9x5.dtsi | 5 +++++
arch/arm/boot/dts/sama5d3.dtsi | 5 +++++
arch/arm/boot/dts/sama5d4.dtsi | 5 +++++
11 files changed, 64 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index f449a864b81e..21c2b504f977 100644
--- a/arch/arm/boot/dts/at91rm9200.dtsi
+++ b/arch/arm/boot/dts/at91rm9200.dtsi
@@ -66,6 +66,11 @@
};
};
+ sram: sram@...00000 {
+ 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 dd1313cbc314..fff0ee69aab4 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -69,6 +69,11 @@
};
};
+ sram0: sram@...ff000 {
+ 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 cdb9ed612109..e247b0b5fdab 100644
--- a/arch/arm/boot/dts/at91sam9261.dtsi
+++ b/arch/arm/boot/dts/at91sam9261.dtsi
@@ -60,6 +60,11 @@
};
};
+ sram: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x00300000 0x28000>;
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi
index ef8a70c27439..8a210d5033b1 100644
--- a/arch/arm/boot/dts/at91sam9263.dtsi
+++ b/arch/arm/boot/dts/at91sam9263.dtsi
@@ -62,6 +62,16 @@
};
};
+ sram0: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x00300000 0x14000>;
+ };
+
+ sram1: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x00300000 0x4000>;
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
index a50ee587a7af..f59301618163 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -16,6 +16,15 @@
reg = <0x20000000 0x08000000>;
};
+ sram0: sram@...ff000 {
+ status = "disabled";
+ };
+
+ sram1: sram@...fc000 {
+ compatible = "mmio-sram";
+ reg = <0x002fc000 0x8000>;
+ };
+
ahb {
apb {
i2c0: i2c@...ac000 {
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
index 2a8da8a884b4..ee80aa9c0759 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -74,6 +74,11 @@
};
};
+ sram: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x00300000 0x10000>;
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
@@ -1287,7 +1292,6 @@
compatible = "atmel,at91rm9200-ohci", "usb-ohci";
reg = <0x00700000 0x100000>;
interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
- //TODO
clocks = <&usb>, <&uhphs_clk>, <&uhphs_clk>, <&uhpck>;
clock-names = "usb_clk", "ohci_clk", "hclk", "uhpck";
status = "disabled";
@@ -1297,7 +1301,6 @@
compatible = "atmel,at91sam9g45-ehci", "usb-ehci";
reg = <0x00800000 0x100000>;
interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>;
- //TODO
clocks = <&usb>, <&uhphs_clk>, <&uhphs_clk>, <&uhpck>;
clock-names = "usb_clk", "ehci_clk", "hclk", "uhpck";
status = "disabled";
diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index 1d69db2e9e28..c2666a7cb5b1 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -64,6 +64,11 @@
};
};
+ sram: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x00300000 0x8000>;
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi
index 72424371413e..c055da2f151f 100644
--- a/arch/arm/boot/dts/at91sam9rl.dtsi
+++ b/arch/arm/boot/dts/at91sam9rl.dtsi
@@ -70,6 +70,11 @@
};
};
+ sram: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x00300000 0x4000>;
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index bbb3ba65165f..818dabdd8c0e 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -72,6 +72,11 @@
};
};
+ sram: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x00300000 0x8000>;
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi
index d701ddda0e00..e17614fe58a9 100644
--- a/arch/arm/boot/dts/sama5d3.dtsi
+++ b/arch/arm/boot/dts/sama5d3.dtsi
@@ -78,6 +78,11 @@
};
};
+ sram: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x00300000 0x20000>;
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
index 0a2477fe5525..1b4fe4e19721 100644
--- a/arch/arm/boot/dts/sama5d4.dtsi
+++ b/arch/arm/boot/dts/sama5d4.dtsi
@@ -103,6 +103,11 @@
};
};
+ ns_sram: sram@...10000 {
+ compatible = "mmio-sram";
+ reg = <0x00210000 0x10000>;
+ };
+
ahb {
compatible = "simple-bus";
#address-cells = <1>;
--
2.1.0
--
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