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diff --git a/doc/README.odroid b/doc/README.odroid index 25b962b..8a004ca 100644 --- a/doc/README.odroid +++ b/doc/README.odroid @@ -1,28 +1,39 @@ - U-boot for Odroid X2/U3 + U-boot for Odroid X2/U3/XU3 ======================== 1. Summary ========== -This is a quick instruction for setup Odroid boards based on Exynos4412. -Board config: odroid_config +This is a quick instruction for setup Odroid boards. +Board config: odroid_config for X2/U3 +Board config: odroid-xu3_config for XU3 2. Supported devices ==================== -This U-BOOT config can be used on two boards: +This U-BOOT config can be used on three boards: - Odroid U3 - Odroid X2 with CPU Exynos 4412 rev 2.0 and 2GB of RAM +- Odroid XU3 +with CPU Exynos5422 and 2GB of RAM 3. Boot sequence ================ iROM->BL1->(BL2 + TrustZone)->U-BOOT -This version of U-BOOT doesn't implement SPL but it is required(BL2) -and can be found in "boot.tar.gz" from here: +This version of U-BOOT doesn't implement SPL. So, BL1, BL2, and TrustZone +binaries are needed to boot up. + +<< X2/U3 >> +It can be found in "boot.tar.gz" from here: http://dev.odroid.com/projects/4412boot/wiki/FrontPage?action=download&value=boot.tar.gz or here: http://odroid.in/guides/ubuntu-lfs/boot.tar.gz +<< XU3 >> +It can be downloaded from: +https://github.com/hardkernel/u-boot/tree/odroidxu3-v2012.07/sd_fuse/hardkernel + + 4. Boot media layout ==================== The table below shows SD/eMMC cards layout for U-boot. @@ -35,18 +46,20 @@ The block offset is starting from 0 and the block size is 512B. | Bl2 | 31 | 30 | 1 (boot) | | U-boot | 63 | 62 | 1 (boot) | | Tzsw | 2111 | 2110 | 1 (boot) | -| Uboot Env | 2500 | 2500 | 0 (user) | +| Uboot Env | 2560 | 2560 | 0 (user) | ------------------------------------- 5. Prepare the SD boot card - with SD card reader ================================================= To prepare bootable media you need boot binaries provided by hardkernel. -File "boot.tar.gz" (link in point 3.) contains: -- E4412_S.bl1.HardKernel.bin -- E4412_S.tzsw.signed.bin -- bl2.signed.bin +From the downloaded files, You can find: +- bl1.bin +- tzsw.bin +- bl2.bin - sd_fusing.sh - u-boot.bin +(The file names can be slightly different, but you can distinguish what they are +without problem) This is all you need to boot this board. But if you want to use your custom u-boot then you need to change u-boot.bin with your own u-boot binary* @@ -56,7 +69,7 @@ and run the script "sd_fusing.sh" - this script is valid only for SD card. The proper binary file of current U-boot is u-boot-dtb.bin. quick steps for Linux: -- extract boot.tar.gz +- Download all files from the link at point 3 and extract it if needed. - put any SD card into the SD reader - check the device with "dmesg" - run ./sd_fusing.sh /dev/sdX - where X is SD card device (but not a partition) @@ -66,7 +79,7 @@ Check if Hardkernel U-boot is booting, and next do the same with your U-boot. with a eMMC card reader (boot from eMMC card slot) ===================================================== To boot the device from the eMMC slot you should use a special card reader -which supports eMMC partiion switch. All of the boot binaries are stored +which supports eMMC partition switch. All of the boot binaries are stored on the eMMC boot partition which is normally hidden. The "sd_fusing.sh" script can be used after updating offsets of binaries @@ -81,8 +94,8 @@ But then the device can boot only from the SD card slot. 8. Prepare the boot media using Hardkernel U-boot ================================================= -You can update the U-boot to the custom one if you have an working bootloader -delivered with the board on a eMMC/SD card. Then follow the steps: +You can update the U-boot to the custom one if you have a working bootloader +delivered with the board on the eMMC/SD card. Then follow the steps: - install the android fastboot tool - connect a micro usb cable to the board - on the U-boot prompt, run command: fastboot (as a root) @@ -91,7 +104,7 @@ delivered with the board on a eMMC/SD card. Then follow the steps: 9. Partition layout ==================== -Default U-boot environment is setup for fixed partiion layout. +Default U-boot environment is setup for fixed partition layout. Partition table: MSDOS. Disk layout and files as listed in the table below. ----- ------ ------ ------ -------- --------------------------------- @@ -106,6 +119,7 @@ Partition table: MSDOS. Disk layout and files as listed in the table below. Supported fdt files are: - exynos4412-odroidx2.dtb - exynos4412-odroidu3.dtb +- exynos5422-odroidxu3.dtb Supported kernel files are: - Image.itb @@ -144,6 +158,7 @@ And the boot sequence is: 11. USB host support ==================== +NOTE: This section is only for Odroid X2/U3. The ethernet can be accessed after starting the USB subsystem in U-Boot. The adapter does not come with a preconfigured MAC address, and hence it needs |