==== Partition scheme ====

<WRAP round important>Changing the partition scheme may affect the boot loader update capability and / or the kernel command line parameters!</WRAP>

=== SD / eMMC images ===

**__Unpartitioned area [sector size = 512 byte, total size = 0x2000 sectors (4 MiB)]__**

Sector numbers are in hexadecimal (as expected by U-Boot's ''mmc'' command), size is given in hex (=number of sectors) and dezimal (= size in byte).

^ Sectors          ^^ Size  ^^
^ First   ^ Last    ^ Sectors  ^ Byte  ^      ^ Contents                                    ^
| 0x0000  | 0x0000  | 0x0001 (512 B)     | MBR                                         |
| 0x0001  | 0x0001  | 0x0001 (512 B)     | reserved <sup>**1)**</sup>                      |
| 0x0002  | 0x07ff  | 0x07fe (1023 KiB)  | u-boot                                      |
| 0x0800  | 0x080f  | 0x0010 (8 KiB     | primary u-boot environment <sup>**2)**</sup>    |
| 0x0810  | 0x081f  | 0x0010 (8 KiB     | secondary u-boot environment <sup>**2)**</sup>  |
| 0x0820  | 0x0fff  | 0x07e0 (1008 KiB  | unused                                      |
| 0x1000  | 0x17ff  | 0x0800 (1 MiB     | device tree blob                            |
| 0x1800  | 0x1fff  | 0x0800 (1 MiB     | unused                                      |
| <sup>1)</sup> for redundant Boot Support, for details see CPU reference Manual\\ <sup>2)</sup> redundant environment, cf. ''CONFIG_ENV_*_REDUND'' in [[http://git.denx.de/?p=u-boot.git;a=blob;f=README|U-Boot README]]  |||

^ Start ... End      ^ Size (sectors / byte)      ^ Contents                                    ^
| 0x0000 ... 0x0000  | 0x0001 sector  / 512 B     | MBR                                         |
| 0x0001 ... 0x0001  | 0x0001 sector  / 512 B     | reserved <sup>**1)**</sup>                      |
| 0x0002 ... 0x07ff  | 0x07fe sectors / 1023 KiB  | u-boot                                      |
| 0x0800 ... 0x080f  | 0x0010 sectors / 8 KiB     | primary u-boot environment <sup>**2)**</sup>    |
| 0x0810 ... 0x081f  | 0x0010 sectors / 8 KiB     | secondary u-boot environment <sup>**2)**</sup>  |
| 0x0820 ... 0x0fff  | 0x07e0 sectors / 1008 KiB  | unused                                      |
| 0x1000 ... 0x17ff  | 0x0800 sectors / 1 MiB     | device tree blob                            |
| 0x1800 ... 0x1fff  | 0x0800 sectors / 1 MiB     | unused                                      |
| <sup>1)</sup> for redundant Boot Support, for details see CPU reference Manual\\ <sup>2)</sup> redundant environment, cf. ''CONFIG_ENV_*_REDUND'' in [[http://git.denx.de/?p=u-boot.git;a=blob;f=README|U-Boot README]]  |||
^ //Partitioned area: 0x106000 sectors / 520+ MiB//  ^^^
^ Partition ^ Size     ^ Contents                    ^
|  1        | 4 MiB    | Kernel image <sup>**1)**</sup>  |
|  2        | 256 MiB  | root FS                     |
|  3        | 256 MiB  | Spare, not formatted        |
|  4        | ----     | ----                        |
| <sup>1)</sup> raw partition                      |||

The partition scheme is defined using the config file config/platform-tq-mba6x/config/uboot-hd.config. The creation of the image is controlled using the PTXdist packages image-uboot-tqma6<q|s>-hd.

To create the image the genimage host tool is used. This tool is automatically selected and built. You can find the build directory under <BSPROOT>/platform-MBa6x/build-host/genimage. There is also a README file documenting how to use this tool.

=== SPI NOR ===

Sector size = 64 KiB

^ First sector  ^ Last sector ^ Size (sectors) ^ Size (byte)  ^ Contents             ^
| 0x00 | 0x07 | 0x08 sectors | 512 KiB   | U-Boot <sup>**1)**</sup>  |
| 0x08 | 0x08 | 0x01 sector  |  64 KiB   | environment0         |
| 0x09 | 0x09 | 0x01 sector  |  64 KiB   | environment1         |
| 0x0a | 0x0a | 0x01 sector  |  64 KiB   | environment1         |
| 0x0b | 0x0f | 0x05 sectors | 372 KiB   | devicetree           | 
| 0x10 | 0x70 | 0x60 sectors |   6 MiB   | Kernel               |
| <sup>1)</sup> U-Boot image has to be written at address 0x400, cf. CPU Reference Manual for details   |||||

^ First  ^ Last  ^ Size (sectors) ^ Size (byte)  ^ Contents             ^
| 0  | 7  | 8 sectors | 512 KiB   | U-Boot <sup>**1)**</sup>  |
| 8  | 8  | 1 sector  |  64 KiB   | environment0         |
| 9  | 9  | 1 sector  |  64 KiB   | environment1         |
| 10  | 14  | 5 sectors | 320 KiB   | devicetree           | 
| 15  | 110  | 96 sectors |   6 MiB   | Kernel               |
| <sup>1)</sup> U-Boot image has to be written at address 0x400, cf. CPU Reference Manual for details   |||||