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| -rw-r--r-- | README | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -267,6 +267,13 @@ board_init_f(): - preloader_console_init() can be called here in extremis - should set up SDRAM, and anything needed to make the UART work - these is no need to clear BSS, it will be done by crt0.S + - for specific scenarios on certain architectures an early BSS *can* + be made available (via CONFIG_SPL_EARLY_BSS by moving the clearing + of BSS prior to entering board_init_f()) but doing so is discouraged. + Instead it is strongly recommended to architect any code changes + or additions such to not depend on the availability of BSS during + board_init_f() as indicated in other sections of this README to + maintain compatibility and consistency across the entire code base. - must return normally from this function (don't call board_init_r() directly) |