Flash layout for boot flow with PPA – LSDK 18.09 and older releases

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Please note that the LSDK memory layout for PPA boot flow explained in this topic is only applicable for LSDK 18.09 and older releases. For LSDK 18.12 and newer releases, refer Flash layout for new boot flow with TF-A.

The following table shows the memory layout of various firmware stored in NOR/NAND/QSPI flash device or SD card on all QorIQ Reference Design Boards.

Firmware Definition		MaxSize	NOR/NAND/QSPI Flash Offset	SD Start Block No.
RCW + PBI		1 MB	0x00000000	0x00008
Boot firmware (U-Boot or UEFI)		2 MB	0x00100000	0x00800
Boot firmware environment		1 MB	0x00300000	0x01800
PPA firmware		2 MB	0x00400000	0x02000
Secure boot headers		3 MB	0x00600000	0x03000
DPAA1 FMAN ucode		256 KB	0x00900000	0x04800
QE/uQE firmware		256 KB	0x00940000	0x04A00
Ethernet PHY firmware		256 KB	0x00980000	0x04C00
DPAA2-MC or PFE firmware		3 MB	0x00A00000	0x05000
DPAA2 DPL		1 MB	0x00D00000	0x06800
DPAA2 DPC		1 MB	0x00E00000	0x07000
Device tree(needed by uefi)		1 MB	0x00F00000	0x07800
Kernel	lsdk_linux_<arch>.itb	16 MB	0x01000000	0x08000
Ramdisk rfs		32 MB	0x02000000	0x10000

The following figures highlight the changes in the flash layout for boot flow with PPA and flash layout for new TF-A boot flow.

Flash layout for boot flow with PPA

Changed flash layout for TF-A boot flow