diff options
| author | Harrison Mutai <[email protected]> | 2025-02-04 17:58:42 +0000 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2025-02-11 18:08:58 -0600 |
| commit | 42aebf0f987798599b5f2d2ca6098a775bb9f448 (patch) | |
| tree | 3ffc934f5583e2bec7b89d35e0b8226889732177 /doc | |
| parent | 7d521f205469b0e0ce97669919d650fb75328d2a (diff) | |
board: vexpress64: enable bloblist for SPL handoff
Enable bloblist on vexpress64 platforms to facilitate information
passing from TF-A using the firmware handoff framework.
Signed-off-by: Harrison Mutai <[email protected]>
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 ---------- |