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https://github.com/AsahiLinux/u-boot
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06142d6874
The device tree split into .dtsi and .dts files, common device node for eMMC/SD, enable I2C1, UART1 for console instead of UART0, enable the DDR 2GB memory and in that 288MB memory is reserved for fabric buffer. Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
157 lines
2.8 KiB
Text
157 lines
2.8 KiB
Text
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (C) 2021 Microchip Technology Inc.
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* Padmarao Begari <padmarao.begari@microchip.com>
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*/
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/dts-v1/;
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#include "microchip-mpfs.dtsi"
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/* Clock frequency (in Hz) of the rtcclk */
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#define RTCCLK_FREQ 1000000
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/ {
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model = "Microchip PolarFire-SoC Icicle Kit";
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compatible = "microchip,mpfs-icicle-kit", "microchip,mpfs";
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aliases {
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serial1 = &uart1;
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ethernet0 = &mac1;
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};
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chosen {
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stdout-path = "serial1";
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};
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cpus {
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timebase-frequency = <RTCCLK_FREQ>;
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};
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reserved-memory {
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ranges;
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#size-cells = <2>;
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#address-cells = <2>;
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fabricbuf0: fabricbuf@0 {
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compatible = "shared-dma-pool";
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reg = <0x0 0xae000000 0x0 0x2000000>;
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label = "fabricbuf0-ddr-c";
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};
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fabricbuf1: fabricbuf@1 {
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compatible = "shared-dma-pool";
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reg = <0x0 0xc0000000 0x0 0x8000000>;
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label = "fabricbuf1-ddr-nc";
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};
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fabricbuf2: fabricbuf@2 {
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compatible = "shared-dma-pool";
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reg = <0x0 0xd8000000 0x0 0x8000000>;
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label = "fabricbuf2-ddr-nc-wcb";
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};
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};
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udmabuf0 {
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compatible = "ikwzm,u-dma-buf";
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device-name = "udmabuf-ddr-c0";
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minor-number = <0>;
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size = <0x0 0x2000000>;
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memory-region = <&fabricbuf0>;
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sync-mode = <3>;
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};
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udmabuf1 {
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compatible = "ikwzm,u-dma-buf";
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device-name = "udmabuf-ddr-nc0";
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minor-number = <1>;
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size = <0x0 0x8000000>;
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memory-region = <&fabricbuf1>;
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sync-mode = <3>;
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};
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udmabuf2 {
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compatible = "ikwzm,u-dma-buf";
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device-name = "udmabuf-ddr-nc-wcb0";
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minor-number = <2>;
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size = <0x0 0x8000000>;
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memory-region = <&fabricbuf2>;
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sync-mode = <3>;
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};
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ddrc_cache_lo: memory@80000000 {
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device_type = "memory";
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reg = <0x0 0x80000000 0x0 0x2e000000>;
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clocks = <&clkcfg CLK_DDRC>;
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status = "okay";
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};
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ddrc_cache_hi: memory@1000000000 {
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device_type = "memory";
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reg = <0x10 0x0 0x0 0x40000000>;
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clocks = <&clkcfg CLK_DDRC>;
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status = "okay";
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};
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};
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&uart1 {
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status = "okay";
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};
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&mmc {
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status = "okay";
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bus-width = <4>;
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disable-wp;
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cap-mmc-highspeed;
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cap-sd-highspeed;
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card-detect-delay = <200>;
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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sd-uhs-sdr12;
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sd-uhs-sdr25;
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sd-uhs-sdr50;
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sd-uhs-sdr104;
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};
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&i2c1 {
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status = "okay";
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clock-frequency = <100000>;
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pac193x: pac193x@10 {
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compatible = "microchip,pac1934";
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reg = <0x10>;
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samp-rate = <64>;
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status = "okay";
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ch1: channel0 {
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uohms-shunt-res = <10000>;
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rail-name = "VDDREG";
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channel_enabled;
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};
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ch2: channel1 {
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uohms-shunt-res = <10000>;
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rail-name = "VDDA25";
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channel_enabled;
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};
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ch3: channel2 {
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uohms-shunt-res = <10000>;
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rail-name = "VDD25";
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channel_enabled;
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};
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ch4: channel3 {
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uohms-shunt-res = <10000>;
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rail-name = "VDDA_REG";
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channel_enabled;
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};
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};
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};
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&mac1 {
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status = "okay";
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phy-mode = "sgmii";
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phy-handle = <&phy1>;
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phy1: ethernet-phy@9 {
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reg = <9>;
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ti,fifo-depth = <0x1>;
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};
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};
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