Dear Andreas Puls, > Hi together, > > i've got another problem with latest stable U-Boot-2012.10 and a Toradex > Colibri PXA270 V2.4 > > Uboot dosen't regonized the CPU Revision > u-boot summary screen: > > U-Boot 2012.10 (Nov 12 2012 - 14:22:12) > CPU: Marvell PXA27x rev. Unknown
See arch/arm/cpu/pxa/cpuinfo.c , patch is welcome ... they probably rolled out some new CPU version. > first lines of dmesg: > [ 0.000000] CPU: XScale-PXA270 [69054118] revision 8 (ARMv5TE), > cr=0000397f [ 0.000000] CPU: VIVT data cache, VIVT instruction cache > [ 0.000000] Machine: Toradex Colibri PXA270 > [ 0.000000] Memory policy: ECC disabled, Data cache writeback > [ 0.000000] Run Mode clock: 208.00MHz (*16) > [ 0.000000] Turbo Mode clock: 520.00MHz (*2.5, inactive) > [ 0.000000] Memory clock: 104.00MHz (/2) > [ 0.000000] System bus clock: 104.00MHz Looks like you need to enable the "Turbo" bit, patch is welcome. See arch/arm/cpu/pxa/start.S and arch/arm/cpu/pxa/pxa2xx.c > $ cat /proc/cpuinfo > Processor : XScale-PXA270 rev 8 (v5l) > BogoMIPS : 207.66 > Features : swp half thumb fastmult edsp iwmmxt > CPU implementer : 0x69 > CPU architecture: 5TE > CPU variant : 0x0 > CPU part : 0x411 > CPU revision : 8 > > Hardware : Toradex Colibri PXA270 > Revision : 0000 > Serial : 0000000000000000 > > > > With an old uboot from a third party vendor its working fine and the boot > time is about half with the latest stable u-boot. > > U-Boot 2010.06-dirty > CPU speed: 520000kHz; RCSR 00000001 > > first lines of dmesg: > [ 0.000000] CPU: XScale-PXA270 [69054118] revision 8 (ARMv5TE), > cr=0000397f [ 0.000000] CPU: VIVT data cache, VIVT instruction cache > [ 0.000000] Machine: Toradex Colibri PXA270 > [ 0.000000] Memory policy: ECC disabled, Data cache writeback > [ 0.000000] Run Mode clock: 208.00MHz (*16) > [ 0.000000] Turbo Mode clock: 520.00MHz (*2.5, active) > [ 0.000000] Memory clock: 208.00MHz (/2) > [ 0.000000] System bus clock: 208.00MHz > > $ cat /proc/cpuinfo > Processor : XScale-PXA270 rev 8 (v5l) > BogoMIPS : 519.37 > Features : swp half thumb fastmult edsp iwmmxt > CPU implementer : 0x69 > CPU architecture: 5TE > CPU variant : 0x0 > CPU part : 0x411 > CPU revision : 8 > > Hardware : Toradex Colibri PXA270 > Revision : 0000 > Serial : 00003600602d1400 > > > Uboot-2012.10 was compiled with stock files and no modification. > > > Kind regards > Andreas Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
