On 21/08/2023 14:49, Binbin Zhou wrote:
> Add DeviceTree file for Loongson-2K1000 processor, which integrates two
> 64-bit dual emission superscalar LA264 processor cores.
>
> Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
> ---
> arch/loongarch/boot/dts/Makefile | 3 +-
> .../boot/dts/loongson-2k1000-ref.dts | 171 ++++++++
> arch/loongarch/boot/dts/loongson-2k1000.dtsi | 375 ++++++++++++++++++
> 3 files changed, 548 insertions(+), 1 deletion(-)
> create mode 100644 arch/loongarch/boot/dts/loongson-2k1000-ref.dts
> create mode 100644 arch/loongarch/boot/dts/loongson-2k1000.dtsi
>
> diff --git a/arch/loongarch/boot/dts/Makefile b/arch/loongarch/boot/dts/Makefile
> index aa0b21d73d4e..dc0782315bed 100644
> --- a/arch/loongarch/boot/dts/Makefile
> +++ b/arch/loongarch/boot/dts/Makefile
> @@ -1,5 +1,6 @@
> # SPDX-License-Identifier: GPL-2.0-only
>
> -dtb-$(CONFIG_MACH_LOONGSON64) = loongson-2k0500-ref.dtb
> +dtb-$(CONFIG_MACH_LOONGSON64) = loongson-2k0500-ref.dtb \
> + loongson-2k1000-ref.dtb
>
> obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .dtb.o, $(CONFIG_BUILTIN_DTB_NAME))
> diff --git a/arch/loongarch/boot/dts/loongson-2k1000-ref.dts b/arch/loongarch/boot/dts/loongson-2k1000-ref.dts
> new file mode 100644
> index 000000000000..6fff45a2ea82
> --- /dev/null
> +++ b/arch/loongarch/boot/dts/loongson-2k1000-ref.dts
> @@ -0,0 +1,171 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2023 Loongson Technology Corporation Limited
...
> + liointc1: interrupt-controller@1fe01440 {
> + compatible = "loongson,liointc-2.0";
> + reg = <0x0 0x1fe01440 0x0 0x40>,
> + <0x0 0x1fe01048 0x0 0x8>,
> + <0x0 0x1fe01148 0x0 0x8>;
> + reg-names = "main", "isr0", "isr1";
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupt-parent = <&cpuintc>;
> + interrupts = <3>;
> + interrupt-names = "int1";
> + loongson,parent_int_map = <0x00000000>, /* int0 */
> + <0xffffffff>, /* int1 */
> + <0x00000000>, /* int2 */
> + <0x00000000>; /* int3 */
> + };
> +
> + global-utilities@1fe00000 {
I have no clue what "globla-utilities" are for a SoC. Compatible
suggests it is chipid.
Best regards,
Krzysztof
