On Wed, Sep 28, 2011 at 3:40 PM, Subash Patel <subashrp@xxxxxxxxx> wrote: > On 09/28/2011 12:07 PM, Kyungmin Park wrote: >> >> On Wed, Sep 28, 2011 at 3:33 PM, Subash Patel<subashrp@xxxxxxxxx> wrote: >>> >>> Hello, >>> >>> I am attempting to boot linux version in subject on SMDKV310 board[EVT0]. >>> The booting stops after "Uncompressing Linux... done, booting the >>> kernel." >>> After some debugging I found that the timer initialization fails. >>> exynos4_mct_frc_start() calls exynos4_mct_write(lo, EXYNOS4_MCT_G_CNT_L) >>> which fails to write to the register, which should have asserted >>> G-CNT_WSTAT[0] to 1. Hence panic() will be called which halts booting. >>> >>> I have booted 3.0.0-rc1 before this, which used PWM. I found a related >>> thread for C210, which I couldnt make head-tail out of it :( >>> http://www.spinics.net/lists/arm-kernel/msg140431.html >>> >>> Can anyone let me know if this is known issue and if there is a solution >>> available for this. >> >> Need to wait for sched_clock patch are merged. Before that, you need a >> workaround patch as universal_c210 does. >> Note that de-select the MCT timer since EVT0 doesn't have it. > > This code is available in arch/arm/mach-exynos4/Kconfig > > config EXYNOS4_MCT > bool > default y > help > Use MCT (Multi Core Timer) as kernel timers > > Which I think is wrong, if EVT0 doesnt have the hardware. It should have had > condition to check the silicon revision isn't it? now soc_is_* is possible for next branch, but not exist the evt0 or evt1 check. Of course it needed for evt0 based board. Thank you, Kyungmin Park > > Regards, > Subash > > >> >> Thank you, >> Kyungmin Park >>> >>> Regards, >>> Subash >>> -- >>> To unsubscribe from this list: send the line "unsubscribe >>> linux-samsung-soc" >>> in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" > in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
 |