mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-19 09:43:08 +00:00
3655dd22a4
Add configuration file for mini u-boot configuration which runs on a smaller footprint from on chip memory(OCM). This configuration has required CONFIG's enabled to support octal spi flash and uses DCC terminal for console output. Add required dts for octal spi flash mini u-boot configuration. Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com> Link: https://lore.kernel.org/r/20221116141155.14788-4-ashok.reddy.soma@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
77 lines
1.5 KiB
Text
77 lines
1.5 KiB
Text
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* dts file for Xilinx Versal Mini OSPI Configuration
|
|
*
|
|
* (C) Copyright 2018-2019, Xilinx, Inc.
|
|
*
|
|
* Siva Durga Prasad <siva.durga.paladugu@xilinx.com>
|
|
* Michal Simek <michal.simek@xilinx.com>
|
|
*/
|
|
|
|
/dts-v1/;
|
|
|
|
/ {
|
|
compatible = "xlnx,versal";
|
|
#address-cells = <2>;
|
|
#size-cells = <2>;
|
|
model = "Xilinx Versal MINI OSPI";
|
|
|
|
clk125: clk125 {
|
|
compatible = "fixed-clock";
|
|
#clock-cells = <0x0>;
|
|
clock-frequency = <125000000>;
|
|
};
|
|
|
|
dcc: dcc {
|
|
compatible = "arm,dcc";
|
|
status = "okay";
|
|
u-boot,dm-pre-reloc;
|
|
};
|
|
|
|
amba: amba {
|
|
u-boot,dm-pre-reloc;
|
|
compatible = "simple-bus";
|
|
#address-cells = <0x2>;
|
|
#size-cells = <0x2>;
|
|
ranges;
|
|
|
|
ospi: spi@f1010000 {
|
|
compatible = "cadence,qspi", "cdns,qspi-nor";
|
|
status = "okay";
|
|
reg = <0 0xf1010000 0 0x10000 0 0xc0000000 0 0x20000000>;
|
|
clock-names = "ref_clk", "pclk";
|
|
clocks = <&clk125 &clk125>;
|
|
bus-num = <2>;
|
|
num-cs = <1>;
|
|
cdns,fifo-depth = <256>;
|
|
cdns,fifo-width = <4>;
|
|
cdns,is-dma = <1>;
|
|
cdns,trigger-address = <0xc0000000>;
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
flash0: flash@0 {
|
|
compatible = "n25q512a", "micron,m25p80",
|
|
"jedec,spi-nor";
|
|
reg = <0x0>;
|
|
spi-tx-bus-width = <8>;
|
|
spi-rx-bus-width = <8>;
|
|
spi-max-frequency = <20000000>;
|
|
};
|
|
};
|
|
};
|
|
|
|
aliases {
|
|
serial0 = &dcc;
|
|
spi0 = &ospi;
|
|
};
|
|
|
|
chosen {
|
|
stdout-path = "serial0:115200";
|
|
};
|
|
|
|
memory@fffc0000 {
|
|
device_type = "memory";
|
|
reg = <0x0 0xfffc0000 0x0 0x40000>;
|
|
};
|
|
};
|