From 54a4f172d80d0490ecd6ad07e3c23341a27bed8f Mon Sep 17 00:00:00 2001 From: Arthur Heymans Date: Thu, 6 Feb 2020 18:27:50 +0100 Subject: lib/imd_cbmem.c: Add a helper function to indicate that cbmem is ready This can be used in romstage in particular to know if dram is ready. Change-Id: I0231ab9c0b78a69faa762e0a97378bf0b50eebaf Signed-off-by: Arthur Heymans Reviewed-on: https://review.coreboot.org/c/coreboot/+/38736 Tested-by: build bot (Jenkins) Reviewed-by: Julius Werner Reviewed-by: Angel Pons --- src/include/cbmem.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'src/include') diff --git a/src/include/cbmem.h b/src/include/cbmem.h index b548cd9559..7e1da17b98 100644 --- a/src/include/cbmem.h +++ b/src/include/cbmem.h @@ -155,4 +155,18 @@ static inline int cbmem_possibly_online(void) return 1; } +/* Returns 1 after running cbmem init hooks, 0 otherwise. */ +static inline int cbmem_online(void) +{ + extern int cbmem_initialized; + + if (!cbmem_possibly_online()) + return 0; + + if (ENV_ROMSTAGE) + return cbmem_initialized; + + return 1; +} + #endif /* _CBMEM_H_ */ -- cgit v1.2.3