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 <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38736
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/lib/imd_cbmem.c b/src/lib/imd_cbmem.c
index 7638e0e..4b7c412 100644
--- a/src/lib/imd_cbmem.c
+++ b/src/lib/imd_cbmem.c
@@ -30,6 +30,8 @@
dead_code();
}
+int cbmem_initialized;
+
static inline const struct cbmem_entry *imd_to_cbmem(const struct imd_entry *e)
{
return (const struct cbmem_entry *)e;
@@ -79,6 +81,8 @@
/* Complete migration to CBMEM. */
cbmem_run_init_hooks(no_recovery);
+
+ cbmem_initialized = 1;
}
int cbmem_initialize(void)
@@ -112,6 +116,8 @@
/* Complete migration to CBMEM. */
cbmem_run_init_hooks(recovery);
+ cbmem_initialized = 1;
+
/* Recovery successful. */
return 0;
}