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Diffstat (limited to 'doc/driver-model')
| -rw-r--r-- | doc/driver-model/README.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/driver-model/README.txt b/doc/driver-model/README.txt index fea324e..0853477 100644 --- a/doc/driver-model/README.txt +++ b/doc/driver-model/README.txt @@ -825,6 +825,10 @@ drivers marked with DM_FLAG_PRE_RELOC or the device tree 'u-boot,dm-pre-reloc' flag are initialised prior to relocation. This helps to reduce the driver model overhead. +It is possible to limit this to specific relocation steps, by using +the more specialized 'u-boot,dm-spl' and 'u-boot,dm-tpl' flags +in the devicetree. + Then post relocation we throw that away and re-init driver model again. For drivers which require some sort of continuity between pre- and post-relocation devices, we can provide access to the pre-relocation |