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. Thanks, Feng > > -- > 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
