openwrt/target/linux/starfive/patches-6.1/1017-dt-bindings-riscv-sifive-ccache-Add-uncached-offset-.patch
Zoltan HERPAI 4070e2a64c starfive: add new target for StarFive JH7100/7110 SoC
This target adds support for the StarFive JH7100 and JH7110 SoCs, based on
6.1, as well as a couple boards equipped with these.

Specifications:

SoCs:

JH7100:
 - StarFive JH7100 dual-core RISC-V (U74, RC64GC)
 - additional monitoring (S7) and control (E24) cores
 - 2Mb L2 cache

JH7110:
 - StarFive JH7110 quad-core RISC-V (U74, RV64GC)
 - additional monitoring (S7) and control (E24) cores
 - 2Mb L2 cache

Boards:

VisionFive1:
 - JH7100 @ 1GHz
 - Memory: 8Gb LPDDR4
 - 4x USB3.0
 - 1x GBit ethernet
 - AMPak 6236 wifi / bluetooth
 - audio
 - powered via USB-C

VisionFive2:
 - JH7110 @ 1.5GHz
 - Memory: 2/4/8Gb DDR4
 - 2x Gbit ethernet
 - 2x USB3.0 / 2x USB2.0
 - eMMC / SDIO
 - various multimedia input/outputs (MIPI CSI, HDMI, audio)
 - M.2 key M slot
 - PoE support
 - powered via USB-C

Installation:
Standard SD-card installation via dd-ing the generated image to
an SD-card of at least 256Mb.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
2024-03-10 18:21:46 +01:00

31 lines
1.1 KiB
Diff

From 3b83b32e16fa431c76a5da1ac59c268ca2fecbb5 Mon Sep 17 00:00:00 2001
From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Date: Sat, 11 Feb 2023 05:18:11 +0200
Subject: [PATCH 1017/1024] dt-bindings: riscv: sifive-ccache: Add
'uncached-offset' property
Add the 'uncached-offset' property to be used for specifying the
uncached memory offset required for handling non-coherent DMA
transactions.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230211031821.976408-3-cristian.ciocaltea@collabora.com
---
Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml | 5 +++++
1 file changed, 5 insertions(+)
--- a/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml
+++ b/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml
@@ -70,6 +70,11 @@ properties:
next-level-cache: true
+ uncached-offset:
+ $ref: /schemas/types.yaml#/definitions/uint64
+ description: |
+ Uncached memory offset for handling non-coherent DMA transactions.
+
memory-region:
maxItems: 1
description: |