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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/board/armltd/vexpress64.rst | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/doc/board/armltd/vexpress64.rst b/doc/board/armltd/vexpress64.rst index a7f771d2667..4dadadb53dc 100644 --- a/doc/board/armltd/vexpress64.rst +++ b/doc/board/armltd/vexpress64.rst @@ -43,6 +43,22 @@ Juno is an Arm development board with the following features: More details can be found in the board documentation [3]_. +Bloblist Support +---------------- + +The ``vexpress_fvp_bloblist_defconfig`` configures U-Boot to be compiled for +Vexpress64 with Bloblist as the primary method for information handoff between +boot stages. U-Boot offers three methods to set up a bloblist: using a +predefined bloblist at a specified address, dynamically allocating memory for a +bloblist, or utilizing a standard passage-provided bloblist with automatic size +detection. + +By default, ``vexpress_fvp_bloblist_defconfig`` uses the standard passage method +(CONFIG_BLOBLIST_PASSAGE) because TF-A provides a Transfer List in non-secure +memory that U-Boot can utilise. This Bloblist, which is referred to as a Transfer List in +TF-A, contains all necessary data for the handoff process, including DT and ACPI +tables. + References ---------- |