Thanks for all the suggestions and Comments!
In the system, the total memory size is less than 4GB. I want to know how to
map the 3GB pci address to the kernel ,
and how can my driver access all the pci device. Usually we have only 1GB
kernel address, minus the 896MB
for memory map, we can onl
Hi, we want to design a system using mpc8548, and linking with an idt 16 ports
PCIE switch.
In the system, the total PCI address needed is about 3GB, so I want to know how
to support it in linux. mpc8548 has 36-bit real address, and can support 32GB
PCIE address space, but in linux, there is onl