On Wed, Nov 10, 2010 at 8:41 PM, Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote: > Hi Orjan, > > On Wed, Nov 10, 2010 at 09:55:21AM +0100, Orjan Friberg wrote: >> In sdrc_init in board-beagle.c both >> >> writel(0x1A, SDRC_REG(SYSCONFIG)); >> >> and >> >> writel(0x18, SDRC_REG(SYSCONFIG)); >> >> sets bits 4:3 in the IDLEMODE field. The OMAP3 TRM (spruf98k) defines >> 0x2 as the only valid value for this field, all others being marked as >> "reserved - do not use". board-omap3evm.c does the same thing, >> board-sdp343x.c does not. >> >> Anyone knows where these settings come from? Derived from an older >> version of the TRM? (I'm thinking there may have been a feature that >> was discovered to be unreliable or not working as intended so it was >> removed from the docs.) > > I have no idea. I'm pretty sure though that the value has been copied > from some version of U-Boot or Xloader. > I agree - I think this is an accident - probably copied from older loader versions and introduced in the first version that went here. - Anand _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
