mirror of
https://github.com/smaeul/u-boot.git
synced 2025-09-15 06:26:07 +01:00
9efcb10a09
AST2700 SoCs integrates a Ibex 32-bits RISC-V core as the boot MCU for the first stage bootloader execution, namely SPL. This patch implements the preliminary base to successfully run SPL on this RV32-based MCU to the console banner message. Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
77 lines
1.5 KiB
Plaintext
77 lines
1.5 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0+
|
|
|
|
/ {
|
|
model = "Aspeed AST2700 Ibex BootMCU";
|
|
compatible = "aspeed,ast2700-ibex";
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
|
|
cpus {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
cpu@0 {
|
|
compatible = "lowrisc,ibex";
|
|
device_type = "cpu";
|
|
reg = <0>;
|
|
comptaible = "riscv";
|
|
riscv,isa = "rv32imc";
|
|
};
|
|
};
|
|
|
|
memory@80000000 {
|
|
reg = <0x80000000 0x80000000>;
|
|
};
|
|
|
|
soc0: soc@12000000 {
|
|
compatible = "aspeed,soc1","simple-bus";
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
ranges;
|
|
|
|
sdrammc: sdrammc@12c00000 {
|
|
compatible = "aspeed,ast2700-sdrammc";
|
|
reg = <0x12c00000 0x3000>, <0x13000000 0x1000>;
|
|
aspeed,scu0 = <&syscon0>;
|
|
aspeed,scu1 = <&syscon1>;
|
|
};
|
|
|
|
syscon0: syscon@12c02000 {
|
|
compatible = "aspeed,ast2700-scu0", "syscon", "simple-mfd";
|
|
reg = <0x12c02000 0x1000>;
|
|
ranges = <0 0x12c02000 0x1000>;
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
};
|
|
};
|
|
|
|
soc1: soc@14000000 {
|
|
compatible = "aspeed,soc1","simple-bus";
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
ranges;
|
|
|
|
syscon1: syscon@14c02000 {
|
|
compatible = "aspeed,ast2700-scu1", "syscon", "simple-mfd";
|
|
reg = <0x14c02000 0x1000>;
|
|
ranges = <0 0x14c02000 0x1000>;
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
};
|
|
|
|
uart12: serial@14c33b00 {
|
|
compatible = "ns16550a";
|
|
reg = <0x14c33b00 0x20>;
|
|
reg-shift = <2>;
|
|
no-loopback-test;
|
|
clock-frequency = <1846153>;
|
|
status = "disabled";
|
|
};
|
|
|
|
ast_ibex_timer: timer {
|
|
compatible = "aspeed,ast2700-ibex-timer";
|
|
clock-frequency = <200000000>;
|
|
};
|
|
};
|
|
};
|