mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-17 16:53:06 +00:00
d37b4f37ea
For both AST2500 and AST2600, there are three
SPI controllers, FMC(Firmware Memory Controller),
SPI1 and SPI2. The clock source is HCLK. Following
is the basic information for ASPEED SPI controller.
AST2500:
- FMC:
CS number: 3
controller reg: 0x1e620000 - 0x1e62ffff
decoded address: 0x20000000 - 0x2fffffff
- SPI1:
CS number: 2
controller reg: 0x1e630000 - 0x1e630fff
decoded address: 0x30000000 - 0x37ffffff
- SPI2:
CS number: 2
controller reg: 0x1e631000 - 0x1e631fff
decoded address: 0x38000000 - 0x3fffffff
AST2600:
- FMC:
CS number: 3
controller reg: 0x1e620000 - 0x1e62ffff
decoded address: 0x20000000 - 0x2fffffff
- SPI1:
CS number: 2
controller reg: 0x1e630000 - 0x1e630fff
decoded address: 0x30000000 - 0x3fffffff
- SPI2:
CS number: 3
controller reg: 0x1e631000 - 0x1e631fff
decoded address: 0x50000000 - 0x5fffffff
Signed-off-by: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
131 lines
1.8 KiB
Text
131 lines
1.8 KiB
Text
/dts-v1/;
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#include "ast2500-u-boot.dtsi"
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/ {
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memory {
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device_type = "memory";
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reg = <0x80000000 0x20000000>;
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};
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chosen {
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stdout-path = &uart5;
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};
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aliases {
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ethernet0 = &mac0;
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ethernet1 = &mac1;
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};
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};
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&uart5 {
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u-boot,dm-pre-reloc;
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status = "okay";
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};
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&sdrammc {
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clock-frequency = <400000000>;
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};
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&wdt1 {
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u-boot,dm-pre-reloc;
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status = "okay";
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};
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&wdt2 {
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u-boot,dm-pre-reloc;
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status = "okay";
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};
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&wdt3 {
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u-boot,dm-pre-reloc;
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status = "okay";
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};
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&mac0 {
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status = "okay";
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phy-mode = "rgmii";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_mac1link_default &pinctrl_mdio1_default>;
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};
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&mac1 {
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status = "okay";
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phy-mode = "rgmii";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_mac2link_default &pinctrl_mdio2_default>;
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};
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&sdmmc {
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status = "okay";
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};
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&sdhci0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sd1_default>;
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};
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&sdhci1 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sd2_default>;
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};
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&fmc {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_fwspics1_default>;
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flash@0 {
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status = "okay";
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spi-max-frequency = <50000000>;
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spi-tx-bus-width = <2>;
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spi-rx-bus-width = <2>;
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};
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flash@1 {
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status = "okay";
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spi-max-frequency = <50000000>;
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spi-tx-bus-width = <2>;
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spi-rx-bus-width = <2>;
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};
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};
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&spi1 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_spi1cs1_default>;
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flash@0 {
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status = "okay";
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spi-max-frequency = <50000000>;
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spi-tx-bus-width = <2>;
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spi-rx-bus-width = <2>;
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};
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};
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&i2c3 {
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status = "okay";
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eeprom@50 {
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compatible = "atmel,24c08";
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reg = <0x50>;
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pagesize = <16>;
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};
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};
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&i2c7 {
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status = "okay";
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lm75@4d {
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compatible = "national,lm75";
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reg = <0x4d>;
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};
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};
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