ALTERA CHAINING DMA DRIVER DETAILS:
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ALTERA CHAINING DMA DRIVER
Number of bad ECRCs detected by the application layer. Valid only when ECRC forwarding is enabled. Attachments: Only certain file types can be uploaded. For additional information about TLP packet headers, refer to Section 2. In this figure, the headers are formed by the following bytes:. You can do this by waiting for the core to respond with altera chaining dma completion on the Avalon-ST RX port before issuing the next Configuration Type 0 transaction.
Reference clock for the IP core. It must have the frequency specified under the System Settings heading in the parameter editor. Clocks the Application Layer. This is a fixed frequency clock used by the Data Altera chaining dma and Transaction Layers.
Refer to Reset and Clocks for more information about the reset sequence and a block diagram of the reset logic. Active low reset signal.
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You cannot disable this signal. Resets the entire IP Core and transceiver. In systems that use the hard reset controller, this signal is edgenot level sensitive; altera chaining dma, you cannot use a low value on this signal to hold custom logic in reset. For more information about the hard and soft reset controllers, refer to Reset. Active high reset status signal. When asserted, this signal indicates that the Hard IP clock is in reset. Active low reset from the PCIe reset pin of the device.
These pins have the following locations:. Refer to the appropriate device pinout for correct pin assignment for more detailed information about these pins.
Chaining DMA Design Example February Altera Corporation PCI Express Course Hero
Altera chaining dma can drive this 3. In pipe simulation mode this signal is always asserted. When this pulse is asserted, the Application Layer should generate an internal reset signal that is asserted for at least 32 cycles.
Hot reset exit. This signal should cause the Application Layer to be reset. This signal is active low. L2 exit.
This signal is active low and otherwise remains high. It is asserted for one cycle changing value from 1 to 0 and altera chaining dma to 1 after the LTSSM transitions from l2.
[PATCH v3 1/1] staging: Driver for Altera PCI Express Chaining DMA reference design"
Lane Active Mode: This signal indicates the number of lanes that configured during link training. The following altera chaining dma are defined:. Indicates the current speed of the PCIe link. For packets with payload, the ECRC is appended to the data as an extra dword of payload.
For packets without payload, the ECRC field follows altera chaining dma address alignment as if it were a one dword payload. The position of the ECRC data for data depends on the address alignment. The following table describes the ECC error signals.
CONFIG_ALTERA_PCIE_CHDMA: Altera PCI Express Chaining DMA driver
These signals are all valid for one clock cycle. These error signals are flags.Overview. This article details how to instantiate the Stratix V Hard IP for PCI Express design files, as altera chaining dma as modified design files that allow the.
What is the difference between 3 types of DMA: Chaining DMA, SGDMA, mSGDMA? What is the Reference Design) and in Altera Wiki.