Thanks. It set a byte in RAM and checked it using md.b in u-boot. -Gautam. On Sat, Sep 13, 2014 at 10:20 PM, Miles MH Chen <orca.chen@xxxxxxxxx> wrote: > ok, now we can say the virt_to_phys returns a correct physical address. > 0x32d01fe0. It is a physical address, not a simple offset in dram. Your 64Mb > dram has physical address within 0x30000000 ~ 0x34000000. > > MH > > 2014/9/13 下午9:52 於 "mind entropy" <mindentropy@xxxxxxxxx> 寫道： > >> On Sat, Sep 13, 2014 at 7:13 PM, Miles MH Chen <orca.chen@xxxxxxxxx> >> wrote: >> > Kernel physical addr : 0x32d01fe0 >> > Platform phys offset : 0x30000000 >> > Page offset : 0xc0553fb4 >> > >> > The page offset looks weird, since 32bit kernel has 2/2 or 3/1 or 1/3 >> > user/kernel virtual address split. It is not reasonable to have >> > 0xc0553fb4 >> > as page offset. You should c0000000 for 3/1 split. >> > >> >> My fault. I had done "0x%llx" in printk. Now I just did a %x and it >> shows as 0xc0000000. >> >> -Gautam. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
