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TMS320C6657: 1. 在做“Booting C6657 EVM directly from NAND”时,为什么 C6657 EVM L/LS/LE 的FPGA固件需要升级?

Part Number: TMS320C6657


Booting C6657 EVM directly from NAND

Hardware required:

  1. C6657 EVM L/LS/LE  (production or preproduction)
  2. XDS100 Emulator or XDS560 emulator.

Software package:

The software package provided below contains prebuilt binaries for

Bin/FPGA firmware : This firmware upgrade is required on pre-production EVMs to prevent the FPGA redirect to the IBL. Pre-production EVMs contain firmware v02 which needs to be upgraded to firmware version v03. Instructions  to upgrade the firmware are provide in the pdf document provided in the FPGA firmware directory.

您好,根据文档描述,直接从NAND FLASH启动时,需要升级FPGA,避免FPGA指向 IBL加载。我想知道这两个FPGA版本有什么不同,V02版本的FPGA是如何指向以IBL方式加载的呢?

因为EVM原理图来看,FPGA和DSP之间相互独立,BOOTLOADER管脚均在外部拨码开关上。谢谢!!