Hi Tom, On Feb 5, 2014, at 5:24 PM, Tom Rini wrote:
> Add a README to the board which lists the commands required to enable > booting from the eMMC boot partitions found on the board. > > Cc: Lokesh Vutla <lokeshvu...@ti.com> > Signed-off-by: Tom Rini <tr...@ti.com> > --- > board/ti/dra7xx/README | 25 +++++++++++++++++++++++++ > include/configs/dra7xx_evm.h | 2 ++ > 2 files changed, 27 insertions(+) > create mode 100644 board/ti/dra7xx/README > > diff --git a/board/ti/dra7xx/README b/board/ti/dra7xx/README > new file mode 100644 > index 0000000..2fdaeac > --- /dev/null > +++ b/board/ti/dra7xx/README > @@ -0,0 +1,25 @@ > +Summary > +======= > + > +This document covers various features of the 'dra7xx_evm' build and some > +related uses. > + > +eMMC boot partition use > +======================= > + > +It is possible, depending on SYSBOOT configuration to boot from the eMMC > +boot partitions using (name depending on documentation referenced) > +Alternative Boot operation mode or Boot Sequence Option 1/2. In this > +example we load MLO and u-boot.img from the build into DDR and then use > +'mmc bootbus' to set the required rate (see TRM) and 'mmc partconfig' to > +set boot0 as the boot device. > +U-Boot # setenv autoload no > +U-Boot # usb start > +U-Boot # dhcp > +U-Boot # mmc dev 1 1 > +U-Boot # tftp ${loadaddr} dra7xx/MLO > +U-Boot # mmc write ${loadaddr} 0 100 > +U-Boot # tftp ${loadaddr} dra7xx/u-boot.img > +U-Boot # mmc write ${loadaddr} 300 400 > +U-Boot # mmc bootbus 1 2 0 2 > +U-Boot # mmc partconf 1 1 1 0 > diff --git a/include/configs/dra7xx_evm.h b/include/configs/dra7xx_evm.h > index f210ed8..3c53f0a 100644 > --- a/include/configs/dra7xx_evm.h > +++ b/include/configs/dra7xx_evm.h > @@ -73,6 +73,8 @@ > #define CONFIG_SPL_SPI_CS 0 > #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 > > +#define CONFIG_SUPPORT_EMMC_BOOT > + > /* USB xHCI HOST */ > #define CONFIG_CMD_USB > #define CONFIG_USB_HOST > -- > 1.7.9.5 Applied. Thanks. Signed-off-by: Pantelis Antoniou <pa...@antoniou-consulting.com> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot