On 1 October 2015 at 18:16, Thomas Chou <tho...@wytron.com.tw> wrote: > Hi Simon, > > On 10/02/2015 06:49 AM, Simon Glass wrote: >>>> >>>> Add ioremap() to map physical address to uncached virtual >>>> address. We need this to convert the reg address from the >>>> device tree. >> >> Can we not rely on the 'ranges' property to sort this out? > > > The ranges translate address across buses/bridges. The address is still > physical address. In the case of nios2, the virtual address map of mmu or > nonmmu are different, though the physical address should be the same. So we > really need sort of ioremap(). You may find a lots of call to ioremap() in > linux drivers. It is quite standard. We also want to use the same dts/dtb > for both u-boot and linux. I would suggest ioremap() is the way.
Yes I see this on another thread. Thanks for explaining it. Reviewed-by: Simon Glass <s...@chromium.org> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
