On 02/29/2012 06:40 PM, Feng Tang wrote: > On Wed, Feb 29, 2012 at 05:12:08PM -0800, Darren Hart wrote: >> >> >> On 02/29/2012 05:06 PM, Tomoya MORINAGA wrote: >>> 2012年3月1日9:47 Darren Hart <dvhart@xxxxxxxxxxxxxxx>: >>>> how do we force the >>>> 192MHz clock setting BEFORE the pch_phub code runs? >>> >>> To realize your requirement, >>> I think that set by BIOS is only way. >> >> Perhaps a pch_phub.bios_uartclk parameter could be used for setting up >> the initial console and once the phub driver is loaded, it can make the >> necessary changes and fix things up in the uart port? This would add a >> binding between the pch_uart and pch_phub code. >> >> Thoughts? > > To satisfy the early console, one way may be add a x86_init_ops for all > Tunnel Creek compatible platform like what Moorestown/Medfield have done, > and insert the uart clk setting work into one of the early init function. > I believe this is inline with what Alan was recommending in his response to the V1 patch series, and it sounds like a reasonable next step. -- Darren Hart Intel Open Source Technology Center Yocto Project - Linux Kernel -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
