On 02/12/2011 08:23 PM, Aaron Williams wrote: > There's in_xxx/out_xxx, __raw_readx/__raw_writex and readx/writex. What > exactly is the difference between all of these? It looks like the in/out was > added recently and is not present in the mips io.h file.
In the MIPS code, 'mips_io_port_base' makes in_xxx/out_xxx distinct from readx/writex. And raw operations are never swapped in software. Check <asm/io.h> for more details. > For example, on our platform the PCI BAR address space is mapped to different > 64-bit address spaces depending on the bus number. It would be very helpful > if > different macros were used for different I/O devices. For example, one set of > macros for accessing PCI BAR address space. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
