Dear Jens Scharsig, Am 12.12.2010 um 20:12 schrieb Jens Scharsig:
> Dear Andreas Bießmann >> ---8<--- >>> @@ -65,7 +65,8 @@ LoopOsc: >>> ldr r0, =SMRDATA >>> ldr r1, _MTEXT_BASE >>> sub r0, r0, r1 >>> - add r2, r0, #80 >>> + ldr r2, =SMRDATAE >>> + add r2, r2, r1 >> --->8--- > > Ok,this is wrong, But it is code from version 1. The V2 use the correct sub > instruction. you are right, I copied the wrong part here. >> Then we subtract TEXT_BASE from absolute address of SMRDATA. This lead to >> some value about 0x500 in r0 which is completely wrong which in turn leads >> to data abort. ... It would make sense to me to do some construct like this >> for relocated code, but here we are before relocation and therefore it would >> be sufficient to > > At boot time flash memory is mapded to 0x0. So the address 0x500 and > 0x10000500 points the same location in flash. That is correct. Sorry, I tested your patch with another textbase cause I can not get my openocd/arm-usb-tiny combo working with my at49bv6416 attached NOR flash. regards Andreas Bießmann _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
