Description: AMBA 3 AXI DMA Controller Name: DW_axi_dmac Version: 2.03a ECCN: 3E991/NLR STARs: Open and/or Closed STARs myDesignWare: Subscribe for Notifications Product Type: DesignWare Library IP Overview: Product Overview Website Documentation: Show Documents... Toolsets: Qualified Toolsets...
c. DW_axi_dmac 检查 CHx_CTL_ShadowReg.ShadowReg_Or_LLI_Valid 位,如果它被视为 1,DW_axi_dmac 将影子寄存器内容复制到用于执行 DMA 块传输的寄存器(CHx_SAR 和/或 CHx_DAR、CHx_BLOCK_TS 和 CHx_CTL 寄存器)并清除 CHx_CTL 中的 ShadowReg_Or_LLI_Valid 位和 CHx_CTL_ShadowReg 寄存器为 0。 d...
DMA传输中,分为block为传输,对应的就是Block Transfer level,DMA Transaction Level的Burst Transaction指的是外设配置的channel CTL寄存器中的msize,会根据msize的设置进行burst/signal传输;AMBA Transfer Level相当于AXI总线传输层次上面的,这个跟arlen/awlen的设置相关。如果想自己设置可通过channel CTL寄存器中的awlen/...
DMAX_MSTIF_MODE为AXI版本选择 AXI参数配置 DMAX_SLVIF_MODE配置模式选择参数 DMAX_SAFETY_FEATURE_EN ECC校验功能。 低功耗相关参数配置 #感悟 因为整个DMAC的功能比较全,所以其面积也不小,因此在配置时,注意结合自己需求来配置,比如假如配置接口和主时钟本来就是同步的,那就没必要配成异步,否者会在同步处理上耗...
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fixup! dmaengine: dw-axi-dmac: Fixes for RP1 … f722f61 popcornmix approved these changes Jul 1, 2024 View reviewed changes View details pelwell merged commit b858a58 into raspberrypi:rpi-6.9.y Jul 1, 2024 12 checks passed Sign up for free to join this conversation on GitHub....
SolvNet 19 July 2018 DesignW Product Overview DesignWare DW_apb_i2c Databook Figure 1-1 Example of DW_apb_i2c in a Complete System Synopsys Non-DW Non-DW components AXI Master AXI Slave Non-DesignWare AMBA IP DW_axi_x2x DW_axi_x2x Arbitration, DW_axi [2] Decode, & Mux Non-DW Non...
config DW_AXI_DMAC tristate "Synopsys DesignWare AXI DMA support" depends on OF|| COMPILE_TEST depends on OF depends on HAS_IOMEM select DMA_ENGINE select DMA_VIRTUAL_CHANNELS Expand Down 0 comments on commit84dd3b2 Pleasesign into comment....
Using DW_ahb_dmac in an AXI Subsystem Introduction The AHB DMA Controller (DW_ahb_dmac) can be used in an AHB subsystem to perform DMA transfers between AHB peripherals. When the AHB subsystem is bridged to an AXI subsystem through a combination of DW_ahb_eh2h and DW_axi_hmx, it is ...
SolvNet DesignWare.com 17 Product Overview DesignWare DW_apb_i2c Databook Figure 1-1 Example of DW_apb_i2c in a Complete System Synopsys components Non-DesignWare AMBA IP Non-DW AXI Master Non-DW AXI Slave DW_axi_x2x DW_axi_x2x Arbitration, Decode, & Mux …DW_apb_uart DW_apb_i2c ...