Re: [PATCH/RFT 0/8] ARM: OMAP: remove IP checks from SoC family detection

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On Sun, Apr 29, 2012 at 09:48:26AM +0000, Hiremath, Vaibhav wrote:
> On Sun, Apr 29, 2012 at 01:50:48, Derald D. Woods wrote:
> > On Fri, Apr 27, 2012 at 03:25:38PM -0700, Kevin Hilman wrote:

> > 
> > Hello Kevin,
> > 
> > I have a Logic PD AM3517 Zoom Experimenter [SOMAM3517-10-1780RJXR-C (REV A)].
> > 
> > My board booted to the Linux login on MMC rootfs.
> > 
> 
> I tried to validate these patches now with latest baseline, and I am not 
> getting Linux prompt though,
> 
> I am based on linux-omap/master (1e32b7eee) and applied all 8 patches from 
> Kevin, it always halts at,

> Starting kernel ...
> 
> Uncompressing Linux... done, booting the kernel.
> [    0.000000] Booting Linux on physical CPU 0
> [    0.000000] Linux version 3.4.0-rc3-11794-gbbc91ff (a0393758@psplinux064) (gcc version 4.5.3 20110311 (prerelease) (GCC) ) #1 SMP Sun Apr 29 14:52:26 IST 2012

> [    0.000000] Kernel command line: root=/dev/ram0 rw mem=128M console=ttyS2,115200n8 console=ttyO2,115200n8 initrd=0x81600000,16M

> [    2.566741] ThumbEE CPU extension supported.
> [    2.582977] voltdm_scale: No voltage scale API registered for vdd_mpu_iva
> [    2.590332] voltdm_scale: No voltage scale API registered for vdd_core
> [    2.597503] PM: no software I/O chain control; some wakeups may be lost
> [    2.645935] clock: disabling unused clocks to save power
> [    2.659515] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
> [    2.671844] RAMDISK: gzip image found at block 0

Try adding 'nohlt' to your cmdline and make sure that CONFIG_CPU_IDLE
is disabled.

Mark
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