Signed-off-by: Cédric Le Goater <c...@kaod.org>
---
arch/arm/dts/ast2500-evb.dts | 17 ++++++++
arch/arm/dts/ast2500-u-boot.dtsi | 12 ++++++
arch/arm/dts/ast2500.dtsi | 71 ++++++++++++++++++++++++++++++++
configs/evb-ast2500_defconfig | 10 +++++
4 files changed, 110 insertions(+)
diff --git a/arch/arm/dts/ast2500-evb.dts b/arch/arm/dts/ast2500-evb.dts
index 723941ac0bee..609678ff7989 100644
--- a/arch/arm/dts/ast2500-evb.dts
+++ b/arch/arm/dts/ast2500-evb.dts
@@ -11,6 +11,10 @@
chosen {
stdout-path = &uart5;
};
+
+ aliases {
+ spi0 = &fmc;
+ };
};
&uart5 {
@@ -36,3 +40,16 @@
u-boot,dm-pre-reloc;
status = "okay";
};
+
+&fmc {
+ status = "okay";
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "spi-flash", "sst,w25q256";
+ status = "okay";
+ spi-max-frequency = <50000000>;
+ spi-tx-bus-width = <2>;
+ spi-rx-bus-width = <2>;
+ };
+};
diff --git a/arch/arm/dts/ast2500-u-boot.dtsi b/arch/arm/dts/ast2500-u-boot.dtsi
index 7f80bad7d050..6cfdf3ba5413 100644
--- a/arch/arm/dts/ast2500-u-boot.dtsi
+++ b/arch/arm/dts/ast2500-u-boot.dtsi
@@ -70,3 +70,15 @@
&mac1 {
clocks = <&scu PCLK_MAC2>, <&scu PLL_D2PLL>;
};
+
+&fmc {
+ clocks = <&scu BCLK_HCLK>;
+};
+
+&spi1 {
+ clocks = <&scu BCLK_HCLK>;
+};
+
+&spi2 {
+ clocks = <&scu BCLK_HCLK>;
+};
diff --git a/arch/arm/dts/ast2500.dtsi b/arch/arm/dts/ast2500.dtsi
index 7e0ad3a41ac5..de7607aaafff 100644
--- a/arch/arm/dts/ast2500.dtsi
+++ b/arch/arm/dts/ast2500.dtsi
@@ -28,6 +28,77 @@
#size-cells = <1>;
ranges;
+ fmc: flash-controller@1e620000 {
+ reg = < 0x1e620000 0xc4
+ 0x20000000 0x10000000 >;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "aspeed,ast2500-fmc";
+ status = "disabled";
+ interrupts = <19>;
+ spi-max-frequency = <100000000>;
+ flash@0 {
+ reg = < 0 >;
+ compatible = "jedec,spi-nor";
+ spi-max-frequency = <50000000>;
+ status = "disabled";
+ };
+ flash@1 {
+ reg = < 1 >;
+ compatible = "jedec,spi-nor";
+ spi-max-frequency = <50000000>;
+ status = "disabled";
+ };
+ flash@2 {
+ reg = < 2 >;
+ compatible = "jedec,spi-nor";
+ spi-max-frequency = <50000000>;
+ status = "disabled";
+ };
+ };
+
+ spi1: flash-controller@1e630000 {
+ reg = < 0x1e630000 0xc4
+ 0x30000000 0x08000000 >;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "aspeed,ast2500-spi";
+ status = "disabled";
+ flash@0 {
+ reg = < 0 >;
+ compatible = "jedec,spi-nor";
+ spi-max-frequency = <50000000>;
+ status = "disabled";
+ };
+ flash@1 {
+ reg = < 1 >;
+ compatible = "jedec,spi-nor";
+ spi-max-frequency = <50000000>;
+ status = "disabled";
+ };
+ };
+
+ spi2: flash-controller@1e631000 {
+ reg = < 0x1e631000 0xc4
+ 0x38000000 0x08000000 >;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "aspeed,ast2500-spi";
+ status = "disabled";
+ flash@0 {
+ reg = < 0 >;
+ compatible = "jedec,spi-nor";
+ spi-max-frequency = <50000000>;
+ status = "disabled";
+ };
+ flash@1 {
+ reg = < 1 >;
+ compatible = "jedec,spi-nor";
+ spi-max-frequency = <50000000>;
+ status = "disabled";
+ };
+ };
+
vic: interrupt-controller@1e6c0080 {
compatible = "aspeed,ast2400-vic";
interrupt-controller;
diff --git a/configs/evb-ast2500_defconfig b/configs/evb-ast2500_defconfig
index 88230f4a12db..a418ff0e9e01 100644
--- a/configs/evb-ast2500_defconfig
+++ b/configs/evb-ast2500_defconfig
@@ -25,3 +25,13 @@ CONFIG_SYS_NS16550=y
CONFIG_SYSRESET=y
CONFIG_TIMER=y
CONFIG_WDT=y
+CONFIG_SPI=y
+CONFIG_ASPEED_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_CMD_SF=y
--
2.17.1
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