Furquan Shaikh has uploaded this change for review. ( https://review.coreboot.org/29150
Change subject: console/post_codes: Add post codes for memory param prep callback ......................................................................
console/post_codes: Add post codes for memory param prep callback
This change adds two new post codes to indicate start and end of memory param preparation in callbacks to SoC/mainboard code: 1. 0x34: Start of memory preparation 2. 0x36: End of memory preparation
These post codes are already used in coreboot. This change just ensures that the codes are defined in post_codes.h for easy lookup.
These post codes are useful if SoC/mainboard decides to do a reset of the platform before returning back to memory initialization.
Change-Id: I065518caedb7943d960a8a5c8708823b8eb3246d Signed-off-by: Furquan Shaikh furquan@google.com --- M src/include/console/post_codes.h 1 file changed, 16 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/50/29150/1
diff --git a/src/include/console/post_codes.h b/src/include/console/post_codes.h index 0277337..f482ae9 100644 --- a/src/include/console/post_codes.h +++ b/src/include/console/post_codes.h @@ -82,6 +82,22 @@ #define POST_ENTRY_C_START 0x13
/** + * \brief Pre-memory init preparation start + * + * Post code emitted in romstage before making callbacks to allow SoC/mainboard + * to prepare params for FSP memory init. + */ +#define POST_MEM_PREINIT_PREP_START 0x34 + +/** + * \brief Pre-memory init preparation end + * + * Post code emitted in romstage after returning from SoC/mainboard callbacks + * to prepare params for FSP memory init. + */ +#define POST_MEM_PREINIT_PREP_END 0x36 + +/** * \brief Pre call to RAM stage main() * * POSTed right before RAM stage main() is called from c_start.S