On Mon, Jul 01, 2013 at 07:49:53AM -0500, Rob Herring wrote: > On 07/01/2013 05:02 AM, Richard Zhu wrote: > > imx6q contains one Synopsys AHCI SATA controller, > > But it can't shares ahci_platform driver with other > > controllers. > > Because there are some misalignments of the bits > > definitions of the HBA registers and the Vendor > > Specific registers > > - CAP_SSS(bit20) of the HOST_CAP is writable, default > > value is '0', should be configured to be '1' > > - bit0 (only one AHCI SATA port on imx6q) of the > > HOST_PORTS_IMPL should be set to be '1'.(default 0) > > - One Vendor Specific register HOST_TIMER1MS(offset:0xe0) > > should be configured regarding to the frequency of AHB > > bus clock. > > All this really belongs in the bootloader. I beg to differ. Normally we do not write the kernel that it depends on setup being done by the bootloader. > Wouldn't you most likely be > booting the kernel from SATA as well? Having a SATA disk attached doesn't mean you boot from it. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
