On 12/26/2011 08:34 AM, Dirk Behme wrote: > From: Jason Liu <jason....@linaro.org> > > Add the initial support for Freescale i.MX6Q Sabre Lite board > > Signed-off-by: Dirk Behme <dirk.be...@de.bosch.com> > CC: Jason Liu <jason....@linaro.org> > CC: Eric Nelson <eric.nel...@boundarydevices.com> > ---
... > Index: freescale-u-boot-imx.git/doc/README.mx6qsabrelite > =================================================================== > --- /dev/null > +++ freescale-u-boot-imx.git/doc/README.mx6qsabrelite > @@ -0,0 +1,67 @@ > +U-Boot for the Freescale i.MX6q SabreLite board > + > +This file contains information for the port of U-Boot to the Freescale > +i.MX6q SabreLite board. > + > +1. Boot source, boot from SD card > +--------------------------------- > + > +The recent mainline U-Boot for the Freescale i.MX6q SabreLite board supports > +boot from SD card only. However, by default, the early version of SabreLite > +boards boot from the SPI NOR flash. These boards need to be reflashed with > +a small SD card loader to support boot from SD card. This small SD card > loader > +will be flashed into the SPI NOR. The board will still boot from SPI NOR, but > +the loader will in turn request the BootROM to load the U-Boot from SD card. > +At the moment of writing, please check with Freescale on the availablity of > +this small SD loader binary. > + > +To update the SPI-NOR on the SabreLite board without the Freescale > +manufacturing tool use the following procedure: > + > +1. Write this SD card loader onto a large SD card using: > + > + sudo dd if=MX6_SPI_to_SD_loader.bin of=/dev/sXx > + > +Note: Replace sXx with the device representing the SD card in your system. > + > +Note: This writes SD card loader at address 0 > + > +2. Put this SD card into the slot for the large SD card (SD3 on the bottom of > +the board) > + > +3. Power-up the SabreLite, press 'space' to enter command mode in the U-Boot > +(the default one the board is shipped with, starting from the SPI NOR) and > +enter the following commands: > + > + MX6Q SABRELITE U-Boot > mmc dev 0 > + MX6Q SABRELITE U-Boot > mmc read 0x10800000 0 200 > + MX6Q SABRELITE U-Boot > sf probe 1 > + MX6Q SABRELITE U-Boot > sf erase 0 0x40000 > + MX6Q SABRELITE U-Boot > sf write 0x10800000 0 0x40000 > + > +4. done. > + > +In case you somehow do not succeed with this procedure you will have to use > +the Freescale manufacturing tool in order to reflash the SPI-NOR. > + > +Note: The board now boots from full size SD3 on the bottom of the board. NOT > + the micro SD4/BOOT slot on the top of the board. I.e. you have to use > + full size SD cards. > + > +This information is taken from > + > +https://wiki.linaro.org/Boards/MX6QSabreLite Where can I find the "SPI_to_SD_loader.bin" image? What means early version of SabreLite boards? How can I select boot from SD-Card on newer versions? And will the u-boot.imx image also boot when loaded to the SPI-NOR fash? Wolfgang. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
