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TI工程师你们好:
在使用tci6638k2k处理器时,使用PCIE BOOT模式加载,在看数据手册时Table8-12 PCIe Boot Device Configuration Field Descriptions中:第15-12位表示如下Bar Config,解释为PCIe BAR registers configuration This value can range from 0 to 0xf. See Table8-13.在查看图Table8-13后给了0到F总共16种配置。
数据手册中查找如下标识:
Table8-13 BAR Config / PCIe Window Sizes
我不明白 比如BAR cfg设置为0b0000这中状态,bar1 为32 bar2为32 bar3 为32 此处的32表示什么意思