我用的是6678,关于PCIE有些疑惑,希望帮忙解答!
手册上说:
BARO是固定映射到application register 的。
BAR1~BAR5可以映射到其它四个region。
1 写BAR0产生的总线事务应该是存储器读写总线事务,不是配置总线事务吧?
2. 配置总线事务是不是只有RC在初始化的时候才用到?
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