Hi Sascha, Le 28/09/2012 14:42, Sascha Hauer a écrit : > On Fri, Sep 28, 2012 at 02:23:32PM +0200, Maxime Ripard wrote: >> Le 28/09/2012 14:08, Maxime Ripard a écrit : >>> Hi everyone, >>> >>> I'm trying to write down some data to the /dev/ocotp file, which is >>> basically a one time programming chip containing four bytes. >>> >>> Using the command mw -b -d /dev/ocotp 0-3 0x01020304 writes down only >>> "4" to the first byte of the OCOTP, which is not quite what I was >>> expecting. What's the correct syntax for the mw command? >> >> Ok, just found out, it should be >> mw -l -d /dev/ocotp 0-3 0x01020304 > > Not quite. 0-3 is wrong, though appearantly happens to work. It should > be: > > mw -d /dev/ocotp 0 0x01020304 > > (-l can be skipped, as 32bit accesses are default). If you want to write > multiple words you can do a: > > mw -d /dev/ocotp 0 0xdeadbeef 0x12345678 0x11223344 > > The 0-3 notation is only for 'md' Ok, I see. Thanks! Maxime -- Maxime Ripard, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
