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| -rw-r--r-- | doc/imx/mkimage/imx8image.txt | 45 |
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diff --git a/doc/imx/mkimage/imx8image.txt b/doc/imx/mkimage/imx8image.txt new file mode 100644 index 00000000000..76664a86fa4 --- /dev/null +++ b/doc/imx/mkimage/imx8image.txt @@ -0,0 +1,45 @@ +Introduction: +============= + +This documentation entry describes the i.MX8 container format and how +to use. + +A Boot image consists of: + - Primary Boot Container Set + - Optional Secondary Boot Container Set + +The imx8image only support the Primary Boot Container Set. + +The Primary Boot Container Set contains two containers. The 1st container +only contain the SECO firmware image, the 2nd container can contain +multiple images and typically have: + - SCF FW image + - M4 FW image + - AP FW image + +For more details, refer i.MX8 Reference Mannual Chapter 5 +"System Boot and section", "5.9 (Boot image) of the processor's manual" + +Configuration file: +================== +BOOT_FROM [sd|emmc_fastboot|fspi|nand_4k|nand_8k|nand_16k] [sector_size] + - indicates the boot media +SOC_TYPE [IMX8QM|IMX8QX] + - indicates the soc +APPEND [ahab container image] + - indicates the ahah image that will be put in the 1st container + When creating container image will be loaded by SPL, this entry + should not this included +CONTAINER + - indicates to create the 2nd container +IMAGE [SCU|M40|M41|A35|A53|A72] [image file] [load address] + - indicates images will be put in the 2nd container + +Example: +======= +BOOT_FROM SD 0x400 +SOC_TYPE IMX8QM +APPEND mx8qm-ahab-container.img +CONTAINER +IMAGE SCU mx8qm-mek-scfw-tcm.bin +IMAGE A35 spl/u-boot-spl.bin 0x00100000 |