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author | Peng Fan <peng.fan@nxp.com> | 2020-10-14 17:12:08 +0800 |
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committer | Stefano Babic <sbabic@denx.de> | 2020-11-01 15:37:19 +0100 |
commit | 4fa2635876663fd705f61599e1d243f4d81d84c1 (patch) | |
tree | 488792508f2e4fcf862aa4e5e92e68bdcaf0c230 /board/freescale | |
parent | a133a7fa8feff1ec2369296ffe85391ee7ade055 (diff) | |
download | u-boot-4fa2635876663fd705f61599e1d243f4d81d84c1.tar.gz |
doc: board: Convert i.MX6 Sabresd README to reST
Convert plain text documentation to reStructuredText format and add
it to Sphinx TOC tree. No essential content change.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'board/freescale')
-rw-r--r-- | board/freescale/mx6sabresd/README | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/board/freescale/mx6sabresd/README b/board/freescale/mx6sabresd/README deleted file mode 100644 index 974b0be175..0000000000 --- a/board/freescale/mx6sabresd/README +++ /dev/null @@ -1,114 +0,0 @@ -How to use and build U-Boot on mx6sabresd ------------------------------------------ - -The following methods can be used for booting mx6sabresd boards: - -1. Booting from SD card - -2. Booting from eMMC - -3. Booting via Falcon mode (SPL launches the kernel directly) - - -1. Booting from SD card via SPL -------------------------------- - -mx6sabresd_defconfig target supports mx6q/mx6dl/mx6qp sabresd variants. - -In order to build it: - -$ make mx6sabresd_defconfig - -$ make - -This will generate the SPL and u-boot-dtb.img binaries. - -- Flash the SPL binary into the SD card: - -$ sudo dd if=SPL of=/dev/sdX bs=1K seek=1 conv=notrunc && sync - -- Flash the u-boot-dtb.img binary into the SD card: - -$ sudo dd if=u-boot-dtb.img of=/dev/sdX bs=1K seek=69 conv=notrunc && sync - - -2. Booting from eMMC --------------------- - -$ make mx6sabresd_defconfig - -$ make - -This will generate the SPL and u-boot-dtb.img binaries. - -- Boot first from SD card as shown in the previous section - -In U-boot change the eMMC partition config: - -=> mmc partconf 2 1 0 0 - -Mount the eMMC in the host PC: - -=> ums 0 mmc 2 - -- Flash SPL and u-boot-dtb.img binaries into the eMMC: - -$ sudo dd if=SPL of=/dev/sdX bs=1K seek=1 conv=notrunc && sync -$ sudo dd if=u-boot-dtb.img of=/dev/sdX bs=1K seek=69 conv=notrunc && sync - -Set SW6 to eMMC 8-bit boot: 11010110 - - -3. Booting via Falcon mode --------------------------- - -$ make mx6sabresd_defconfig -$ make - -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/sdX bs=1K seek=1 oflag=sync status=none conv=notrunc && sync - -- Flash the u-boot-dtb.img image into the SD card: - -$ sudo dd if=u-boot-dtb.img of=/dev/sdX bs=1K seek=69 oflag=sync status=none conv=notrunc && sync - -Create a partition for root file system and extract it there: - -$ sudo tar xvf rootfs.tar.gz -C /media/root - -The SD card must have enough space for raw "args" and "kernel". -To configure Falcon mode for the first time, on U-Boot do the following commands: - -- Setup the IP server: - -# setenv serverip <server_ip_address> - -- Download dtb file: - -# dhcp ${fdt_addr} imx6q-sabresd.dtb - -- Download kernel image: - -# dhcp ${loadaddr} uImage - -- Write kernel at 2MB offset: - -# mmc write ${loadaddr} 0x1000 0x4000 - -- Setup kernel bootargs: - -# setenv bootargs "console=ttymxc0,115200 root=/dev/mmcblk1p1 rootfstype=ext4 rootwait quiet rw" - -- Prepare args: - -# spl export fdt ${loadaddr} - ${fdt_addr} - -- Write args 1MB data (0x800 sectors) to 1MB offset (0x800 sectors) - -# mmc write 18000000 0x800 0x800 - -- Press KEY_VOL_UP key, power up the board and then SPL binary will -launch the kernel directly. |