mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-28 09:39:00 +00:00
99545b4bb1
This target adds support for the Allwinner D1 RISC-V based SoCs.
- RISC-V single-core T-Head C906 (RV64GCV)
- Tensilica HiFi4 DSP
- DDR2/DDR3 support
- 10/100/1000M ethernet
- usual peripherals like USB2, SPI, I2C, PWM, etc.
Four boards are supported:
- Dongshan Nezha STU
- 512Mb RAM
- ethernet
- LicheePi RV Dock
- 512Mb RAM
- wireless-only (RTL8723DS)
- MangoPi MQ-Pro
- 512Mb RAM
- there are pads available for an SPI flash
- wireless-only (RTL8723DS)
- Nezha D1
- 512Mb/1Gb/2Gb RAM
- 256Mb NAND flash
- ethernet, wireless
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>
31 lines
850 B
Diff
31 lines
850 B
Diff
From 02a412de18479449c87ed7a332e3fe33d2eff3a4 Mon Sep 17 00:00:00 2001
|
|
From: Samuel Holland <samuel@sholland.org>
|
|
Date: Wed, 27 Apr 2022 18:47:53 -0500
|
|
Subject: [PATCH 010/117] riscv: mm: Use IOMMU for DMA when available
|
|
|
|
Signed-off-by: Samuel Holland <samuel@sholland.org>
|
|
---
|
|
arch/riscv/mm/dma-noncoherent.c | 4 ++++
|
|
1 file changed, 4 insertions(+)
|
|
|
|
--- a/arch/riscv/mm/dma-noncoherent.c
|
|
+++ b/arch/riscv/mm/dma-noncoherent.c
|
|
@@ -7,6 +7,7 @@
|
|
|
|
#include <linux/dma-direct.h>
|
|
#include <linux/dma-map-ops.h>
|
|
+#include <linux/iommu.h>
|
|
#include <linux/mm.h>
|
|
#include <asm/cacheflush.h>
|
|
|
|
@@ -70,6 +71,9 @@ void arch_setup_dma_ops(struct device *d
|
|
dev_driver_string(dev), dev_name(dev));
|
|
|
|
dev->dma_coherent = coherent;
|
|
+
|
|
+ if (iommu)
|
|
+ iommu_setup_dma_ops(dev, dma_base, dma_base + size - 1);
|
|
}
|
|
|
|
void riscv_noncoherent_supported(void)
|