Thank you. I'll try that. > >>>>> "Sangmoon" == Sangmoon Kim <dogoil at etinsys.com> writes: > > Sangmoon> Actually, I'm a hardware guy. In most cases, mapping > Sangmoon> UART is not needed, but on the hardware I designed, it > Sangmoon> is needed. Because its physical addres is 0x78000000. > > You do not need to remap the UART. It doesn't matter that 0x78000000 > is its address. Linux will not get confused between physical address > of the UART and any virtual address space it may be using. Just call > ioremap() and give it the address 0x78000000. It will give you a > virtual address you can use to access the UART. > > Best, > Roland >
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