From: Jagan Teki jagan@amarulasolutions.com
Now SabreSD board support SPL with U-Boot proper devicetree enabled, so update the README according with images generated with respective builds.
"Booting from eMMC" still need to test and update README.
Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- board/freescale/mx6sabresd/README | 66 +++++++++++---------------------------- 1 file changed, 19 insertions(+), 47 deletions(-)
diff --git a/board/freescale/mx6sabresd/README b/board/freescale/mx6sabresd/README index 628d35f..9749511 100644 --- a/board/freescale/mx6sabresd/README +++ b/board/freescale/mx6sabresd/README @@ -1,43 +1,36 @@ How to use and build U-Boot on mx6sabresd: ----------------------------------- +-----------------------------------------
-Currently there are four methods for booting mx6sabresd boards: +Currently there are three methods for booting mx6sabresd boards:
-1. Booting from SD card via normal U-Boot (u-boot.imx) +1. Booting via SPL (SPL and u-boot-dtb.img)
2. Booting from eMMC via normal U-Boot
-3. Booting via SPL (SPL and u-boot.img) - -4. Booting via Falcon mode (SPL launches the kernel directly) - +3. Booting via Falcon mode (SPL launches the kernel directly)
-1. Booting from SD card via normal U-Boot ------------------------------------------ - -$ make mx6qsabresd_defconfig (If you want to build for mx6qsabresd)
-or +1. Booting via SPL (SPL and u-boot-dtb.img) +-------------------------------------------
-$ make mx6dlsabresd_defconfig (If you want to build for mx6dlsabresd) +$ make mx6sabresd_defconfig
$ make
-This will generate the image called u-boot.imx. +This will generate the SPL image called SPL and the u-boot-dtb.img.
-- Flash the u-boot.imx binary into the SD card: +- Flash the SPL image into the SD card: + +$ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 && sync
-$ sudo dd if=u-boot.imx of=/dev/sdb bs=1K seek=1 && sync +- Flash the u-boot-dtb.img image into the SD card:
+$ sudo dd if=u-boot-dtb.img of=/dev/sdb bs=1K seek=69 && sync
2. Booting from eMMC via normal U-Boot --------------------------------------
-$ make mx6qsabresd_defconfig (If you want to build for mx6qsabresd) - -or - -$ make mx6dlsabresd_defconfig (If you want to build for mx6dlsabresd) +$ make mx6sabresd_defconfig
$ make
@@ -66,42 +59,21 @@ $ sudo dd if=u-boot.imx of=/dev/sdX bs=1K seek=1 && sync
Set SW6 to eMMC 8-bit boot: 11010110
- -3. Booting via SPL ------------------- - -Other method for building U-Boot on mx6qsabresd and mx6qpsabresd is -through SPL. In order to do so: - -$ make mx6sabresd_spl_defconfig -$ make - -This will generate the SPL image called SPL and the u-boot.img. - -- Flash the SPL image into the SD card: - -$ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 && sync - -- Flash the u-boot.img image into the SD card: - -$ sudo dd if=u-boot.img of=/dev/sdb bs=1K seek=69 && sync - - -4. Booting via Falcon mode +3. Booting via Falcon mode --------------------------
-$ make mx6sabresd_spl_defconfig +$ make mx6sabresd_defconfig $ make
-This will generate the SPL image called SPL and the u-boot.img. +This will generate the SPL image called SPL and the u-boot-dtb.img.
- Flash the SPL image into the SD card:
$ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 oflag=sync status=none && sync
-- Flash the u-boot.img image into the SD card: +- Flash the u-boot-dtb.img image into the SD card:
-$ sudo dd if=u-boot.img of=/dev/sdb bs=1K seek=69 oflag=sync status=none && sync +$ sudo dd if=u-boot-dtb.img of=/dev/sdb bs=1K seek=69 oflag=sync status=none && sync
Create a partition for root file system and extract it there: