Web14 aug. 2014 · On x86 platforms, iowrite32 () and writel () are translated to just a “mov” into memory. On ARM, the same functions translate into a full write synchronization barrier … WebFreescale LS2085A uses GICv3 ITS to provide MSI functionality, but it only supports 64 isolation context identifiers. So, all the PCIe devices inserted to the same PCIe controller will share

iMX6Q PCIe stuck / hanged kernel or HW (SoC) - NXP Community

WebMessage ID: [email protected] (mailing list archive)State: Not Applicable, archived: Delegated to: Andy Gross: Headers: show Web22 jun. 2012 · The only PCIe bus feature you can control via the configuration registers is whether the memory region is read prefetchable or not. There are some cacheline registers, but they have an effect during DMA, and for bridges (at least under PCI). --- Quote Start --- Typically, BARs are not cached by processor cache, however, in this case caching is ... high point water supply corporation forney tx

iowrite32(), writel() and memory barriers taken apart

Web20 jul. 2024 · void __iomem* _addrTX = ioremap(BASE_ADDR, 8); iowrite32(0xAABBCCDD, _addrTX); pr_info(" %x\n ", ioread32(_addrTX)); 必须记住两条 … Web5 jun. 2013 · Reads worked as expected: reads returned correct values and second read to the same address does not necessarily cause the read to go to PCIe (read counter was … high point water forney texas